In Reply Refer To: MS 5231 November 9, 1990
Elf Aquitaine Operating Inc. Attention: Ms. B. Dougherty 1000 Louisiana, Suite 3800 Houston, Texas 77002 NOItU - KKAfriER
Gentlemen:
Reference is made to the following plan received October 26, 1990:
Type Plan - I n i t i a l Development Operations Coordination Document Lease - OCS-G 6771 Block - 226 Area - South Timbalier A c t i v i t i e s Proposed - Platform A and Well No. 1
In accordance with 30 CFR 250.34, this plan is hereby deemed submitted and i s now being considered for approval.
Your control number is N-3894 and should be referenced i n your communication and correspondence concerning this plan.
Sincerely,
(Orig. Sgd.) A. Donald Giroir • » L . J . Bourgeois
Regional Supervisor Field Operations
bcc: Uase OCS-G 6771 POD Fi le (MS 5032) I MS 5034 w/publlc i n f o , copy of tha plan V^_and accomp. i n f o .
TTrosclair:eck: 11/01/90-.DOCDCOM office < **TcygTf»m ServM-.*̂
NOV i • I'riU
iafcrmatjof1. bei vices,
^ iiii riiiltlWiiiMnr in
Jt/ - W/ A
• elf aquitaine operating, inc. • XO Lsusana Suite 2600 Hous:c- Te • as'
Cctober 30. 1990
Mr Troy T r o s c l a i r M i n e r a l - Management S e r v i c e 1201 Ei o o d Park E l v d . New Orleans. La. 70123-2294
Re: South T i m b a l i e r Block 226 OCS-C-6771 A-Development Operations C o o r d i n a t i o n Document C o n t r o l No. N-3e94
Dear S i r :
The f o l l o w i n g i n f o r m a t i o n conteir.e r e v i s e d data t o t DOCZ. submitted by E l f Acui t a i r . e Operating. Inc. on C f o r the s u b j e c t b l o c k .
i n c l u d e d i n the =ber 25. 1990
1. The o i l s p i l l t r B j e c t c r v launch a r e ; n u ^ t . r f c r South T i ^ b a i i t : Eiock 226 should be C-41 r a t h e r than C-14.
2. The proposed a c t i v i t i e s w i l l u t i l i z e a support base at Fresh Water C i t y , L o u i s i a n a , r a t h e r than Galveston, Texas DT Fourc: L o u i s i a n a . T r a n s p o r t a t i o n v e s s e l s w i l l use the most d i -ect : to t h e l e a s e s i t e , which i s l o c a t e d t p p r c x i m a t e J v 12fi - - I e r from t h e Fresh Water C i t v case.
'he i z i l o v m a i s enclosec as per your request:
Well L o c a t i c n Table.
C^ciee c i i e t ' . s r s sent tc tr.e A b c e v i l i e M e r i c i c n a i . arc the P u b l i c N o t i c e t o be puD:---nea.
i l C i f cr.e _ . i - e J: . : •--reauestir.a a
BEST MMUW f
South T i m b a l i e r Block 22t OCS-G-6771 DOCD Page Two October 30. 1990
I f you have any q u e s t i o n s or need any f u r t h e r i n f o r m a t i o n , please c a l l Peggy Davie a t 711/655-6469 or me at 713/655-6410.
S i n c e r e l y ,
Regulator; Manager
COASTAL ZONE MANAGEMENT
PUBLIC NOTICE CERTIFICATION NOTICE
STATE OF LOUISIANA
South T i m b a l i e r Block 226
OCS-G 6771
I c e r t i f y t h a t arrangements have been made t o p l a c e a Pub l i c f l c t i c e o f E l f / q u i t b i n e O p e r a t i n g , Inc. 's proposed Develop- ent Operations C o o r d i n a t i o n Document f o r South T i m t a l i e r Block 226, Le ise OCS-G 6771, i n t h e Lafourche Gazette on November 4, 1990.
v.. E l f A q u i t a i n e O p e r a t i n g , I n c .
C e r t i f y i n g O f f i c i a l Date
This a d d i t i o n a l P u b l i c N o t i c e was subm i t t e d becau o f shcre base t o Fresh Water C i t y , Louisiana.
se of the chanqe
COASTAL ZONE HANAGEHENT
PUELIC NOTICE CERTIFICATION NOTICE
STATE OF LOUISIANA
S o u t h T i m b a l i e r B l o c k 226
OCS-G 6771
I c e r t i f y t h a t a r r a n g e m e n t s have been nade t o p l a c e a P u b l i c N o t i c e o f E l f A q u i t a i n e O p e r a t i n q , I n c . 's p r o o o s e d Developmen . O p e r a t i o n s C o o r d i n a t i o n Document f o r S o u t h T i m t a l i e r E l o c k 2Zs , Lease OCI-G 6 7 7 1 , i n t h e B a t o n Rouqe S t a t e Times on November 1, 1990. *• E l f A q u i t a i n e O p e r a t i n g . I n c .
C e r t . _ y i n g O f f i c i a l D a te
T h i e a c u i t i o n a l P u b l i c N o t i c e was s u b m i t t e d because o f t h e chanae c f s h o r e b a s e t o F r e s h Water C i t y , L o u i s i a n a .
#> elf aquitaine operating, inc. 1000 Lousaia. Su*e 3800 Houston Texas (7:2) C.&S-Sc'1
525 Lafayette Street Baton Rouge, Louisiana 70804
Attention: Legal Ad Department
RE: NOTICE OF PROPOSED DZVELOPMENT PLANS SOUTH TIMBALIER 226, OCS-G-6771 OFFSHORE LOUISIANA
Gentlemen:
Please place the following n c t i c e i n the Lagal Ad Section of the Baton Rcuge State Times f o r p u b l i c a t i o n on November 1, 1990.
Public Nctice of Federal Consistency Review of a Development Operations Coordination Document (DOCD) by the Coastal Manac-ement Division/Louisiana Department of Natural Resources f o r the f l a n ' s Consistency w i t h the Louisiana Coastal Resources Program.
October 29, 1990
Baton Rcuge State Times AIRBORNE
PUBLIC NCTICE
Applicant: Elf Aquitaine Operating, Inc. 1000 Louisiana, Suite 3800 Houston, Texas 77:::
Locaticn: Scuth Timbalier 2 Lease Saie Nc. 81
Lease OCS-G-6771,
Descriptic he above area provides f o r a 3 - p i l e , 3 - s l o t platform f a c i l . t i e s . Production include transport of
•zl hy helicopter and/cr •r. or.shcre base located at _ : i H I ana.
oargo vessel f r o r
Page Two October 29, 1990
Description: (continued) A copy of the plan described above i s
available f o r inspection a t the Coastal Management Di v i s i o n Office located on the 10th f l o o r of the State Land and Natural Resources B u i l d i n g , 625 North 4th Street, Baton Rouge, Louisiana. O f f i c e hours: 8:00 a.m. to 5:00 p.m., Monday throdgh Friday. The public i s requested to submit comments to the Coastal Management D i v i s i o n , A t t e n t i o n : OCS Plans, P. O. Box 44487, Baton Rouge, Louisiana 70804-4487. Comments must be received w i t h i n 15 days of the date of t h i s notice or 15 cays a f t e r the Coastal Management D i v i s i o n obtains a copy of the plan and i t i s available f c r public inspection. This public notice i s provided t o meet the requirements of the NOAA Regulations on Federal Consistency w i t h approved Coastal Management Programs.
I f you require f u r t h e r information, plaase contact me at 713/655-6410. -lease b i l l Elf Aq- i t a i n e Operating, Inc. at the letterhead address f o r the cost of running the ad, along w i t h proof of pu b l i c a t i o n of the ad cn the date requested.
Sincerely,
Barbara J. Dougherty Regulatory Manager
BJD/ac D~VPLANS.LTR
iBiiiiwaiiiiifiaw
if elf aquitaine operating, inc. 1000 Lou'sana Sate 2800 Hopson Texas 77002 V13) 668-9811
October 30, 1990
The Lafourche Gazzett AIRBORNE 502 E. Main La Rose, Louisiana 70373
At t e n t i o n : Legal Ad Department
RE: NOTICE OF PROPOSED DEVELOPMENT PLANS SOUTH TIMBALIER 226, OCS-G-6771 OFFSHORE LOUISIANA
Gentlemen:
Please place the f o l l o w i n g notice i n the LeTgal Ad Section of the Lafourche Gazzett f o r p u b l i c a t i o n on November 4, 1990.
PUBLIC NOTICE
Public Notice of Federal Consistency Review of a Development Operations Coordination Document (DOCD) by the Coastal Management Division/Louisiana Department cf Natural Resources f o r the Plan's Consistency with the Louisiana Coastal Resources Program.
Applicant: E l f Aquitaine Operating, Inc. 1300 Louisiana, Suite 3800 Houston, Texas 77002
Locaticn: South Timbalier 226, Lease OCS-G-6771, Lease Sale Nc. 81.
Description: Proposed DOCD f o r the above area provides f o r the i n s t a l l a t i o n of a 3-p i l e , 3-slct platform w i t h production f a c i . i t i e s . Production a c t i v i t i e s w i l l incl-de transport cf production personnel by helicopter and/or oar oo vessel from an onshtro base Icoated at
Page Two October 29, 1990
Description: (continued) A copy of the plan described above i s
available for inspec-ion at the Coastal Management Division Office located on the 10th floor of the state Land and Natural Resources BuiMing, 625 North 4th Street, Baton Rouge, Louisiana. Office hours: 8:00 a.m. to 5:00 p.m., Monday through Friday. The public is requested to submit comments to the Coastal Management Division, Attention: OCS Plans, p. O. Box 44 487, Baton Rouge, Louisiana 7C304-4487. Comments must be received within 15 days of the date of this notice or 15 days after the Coastal Management Division obtains a copy of the plan and i t is available for public inspection. This public" notice i s provided to meet the requirements cf the NOAA Regulations on Federa_ Consistency with approved Coastal Management Programs.
I f ycu require further information, piease contact me at 713/655-6410*. Please b i l l Elf Aquitaine Operatinc, Ino. at the letterhead address for the cost of running the ad, along with proof of publication cf the ad on the date requested.
Sincerely,
Barbara J. Dougherty Reculatcrv Manager
EJD/ac DEVPLANS.LTR
mam - .«rf̂ fiii*vilw»i .1 • ML -mmm W -̂ BBS
-J elf aquitair.̂ operating, iO00 ;.rusar--, Sute 3=00 Housion. Te*ns77;C2 '-.6 &31
Oc~.ocor "I;. 19?;
AIRBORNE £Z~-' 1
U. S. Dc^ar.-r- . : cae I^te;. i e r Minerc\i3 Mar. .,-?n. >Tt Service - . 1201 Elmwood T i r - Boulevard New Orleans, Louisiana 70123-2394
/ : .er.tion: Mr. Daniel J. Bourgeois Regional Supervisor O f f i c e of F i e l d Operations
RE: OEVEf/'~<ENT OPERATIONS COORDINATION DOCUMENT OW. C-o771 SMJTI! TIMBALIER BLOCK 226 OLFSLORE, LOUISIANA
Gentlemen:
Ir. accordance w i t h the provisions of T i t i e 3 0 CFR 25C.34, Elf Aquitai'ie Operating, Inc. hereV submits for your re - iew and approval nine (9) copies of a 1 •.•clcpment Operations Coordination Document (DOCD* : z r Lec.se CCS : 5771, South Timbalier a.=c> 226, Offshore, Lc.isiana. cccies are "Prcorietarv
:cr~c t i e r . " ana four (4) are 1 Tu'cli- Information".
Excluaad from the .-""ubiic Information ccpies are geologic d..s -ussion.s, dapth of wells and structure map.
cer t a i n
I : , acocr.. . w-r:: che assr-iate.: A c t i v i t y Schedule, Elf Aqu t a l . 1 .-la-ing. Ino. anticipates oomme'ioement cf platform inst- 1,- . - - ce on or aoout Decenoe 1, l ? a 7 .
Should anoir. .T.ai informaticr. oe reroi r o d . .-_-.-ase contac" me ac 71 -:/£5 = —: : • .
7. ^Ur)
= a.vrar a w . . .ugne-R e - u l a t o r y :ana."e.
-JI pa z : O C D . D O :
ELP AQUITAINE OPERATING, TMC.
DEVELOPMENT OPERATIONS COORDINATION DOCUMENT
SOUTH TIMBALIER BLOCK 226
OCS-G-6">71
E l f Aquitaine Ope-at i n c , i»-c (EAOT) as design*t't operator of South Timbalier Block ?2o, Lease OCS-G-6771, submits t h i s propose^ Development Operations Coordination Document (DOCD) i n accordance w i t h the regulations contained i n T i t l e 30 CFR 250.34 a r i mo- . speol. ' i c a l l y defined i n the Minerals Management Service * »tts Lo Loose's and cp-rators dated October 12, 1988
1- BT^TX KlpLnry t o Date
Chevr n C r t , o r a t i o n and Offshore Bechtel Associates, Lt'*.. obtained S-.uth Timbalier Block 226 i n Lease Sale 81 on Jai.e 1, 19R4.
Gulf Corporation f i l e d an I n i t i a l Plan j f Exploration whereby they p/opo&tvl t o d r i l l tw^ w i l d c a t wells.
EAOI fanned i n Block 226, f i l e d a Revised PJin of Exploration, and spudded the No. 1 w e l l on May 29, 1989. Th s weU was temporarily cxbendoned on July 9, 1989. However, t h i s w e l l hed bern tested PK July 7, 1989 and was determined to be capable of proQucing oas i n paying q u a n t i t i e s and was placed i n a minimum roy a l t y statu.- _ - * e c t i v e w i t h the date of the t e s t , as stated i n ;our l e t t e r dated August 16, 1989.
2• Description of Develcpment A c t i v i t i e s
Ur^. t h i s I n i t i a l DOCD, E l f A q u i t a i t e Operating, I.ic. proposes to i n s t a l l a 3 - p i l e , 3-slot w e l l protector platform w i t h t e s t i n r f a c i l i t i e s and a h e l i p o r t c /e.: the e x i s t i n g surface of t \ * H J . 1 w e l l Jocated at 4204' from :he west l i n e and 4614' frc a the north '.ine of South Timbalier Block 2 26. A pip e l i n e w i l " he i n s t a l l e d and the lease w i l l be placed on production acc. 'ling t o the f o l l o w i n g a c t i v i t y s-hedule.
Approximate
A c t i v i t y Start-Up Date
Completion Platform &
F a c i l i t i e s F a b r i c a t i o n November 1990
Commence Platform I n s t a l l a t i o n Detember 1990 Commence Pip e l i n e I n s t a l l a t i o n January 1991 Commence Tieback & Ccmpletion Operations January 109} Hook up and Commence Production February '.991
- 2 -
"Public Information" r--m
The ! ' ''e of reserves for this Block jpprcximately 6 years (li.O 'J Bcf).
3. Description of Platform
Elf Aquitaine Operating, Inc. propo: £5 to i n s t a l l a 3-pile 3-slot platform similar to the one shown a Attachment "A". A drawing showing the surface location of the proposed platform is included as Attachment "B". Th 1 s platform w i l l be installed at a surface location of 4204' from the west line and 4614' from the north l i n e of South Timbalje: «lock 226, over the existing No. 1 well.
A l l 'vdrocarbon handling equipmc.it ".-jt 'oejc'.ng and production sur a AS separators, tanks, and ty materi + *t, been designed, installed and w i l l be operated to prevent pollution.
Maintenance or repairs which are necessary to prevent pollution of offshore waters shall be undertakt^ immediate?y.
Curt^, gutters, drip pans, and drains n."ve been ir.atAjled in deck areas i n a manner necessary to CLiiect a l l co.tarinants not authorized for discharge. O i l drainage shall be pped to a properly designed, operated, and maintained sump sy.stem which w i l l automatically maintain the o i l at a level sufficient to prevent discharge of o i l into offshore waters. A l l gravity drains shall be equipped with a water trap or other means to prevent gas i n the su - r -stem from escaping through the drains.
Sump piles shall not be used as processing devices to treat or skim liquids, but may be used to collect treated-produced water, treated-produced sand, or liquids from drip pans and deck drains and as a f i n a l trap for hydrocarbon liquids in the event of equipment upsets. Improperly resigned, operated, or maintrined sump piles which do ™ t prev nt the discharge of oi] into offshore waters shail replaced >r repaired.
4. Structure Map
A structure map of the pr<-,pos<.J producing zones- i j include with the proprietary dt ta copje? of this Plan as A. tact. i»»nt "C".
5. Bathymetry Map
A bathymetry map show.g the lecation of the proposed platform is enclosed as Attachr..»n "D '.
6. Shair.iw F J Tarda
An analysis -r any seafloor and subsurface geoxoy.c and man-made fe tures and conditions which may have tn adverse effect on * e proposed operations was included i n the Plan of Exploration.
7. Oil S p i l l Contingency Plan
A l l c o n s t i - c t i o n and production operation.? s h a l l be performed i n accordance w i t h i n d u s t r y standards t o prevent p o l l u t i o n of ".he environment. E l f Aquitaine Operating, inc.'s Oil S p i l l Contingency Plan has been approved by the MMS. This plan designates an O i l S p i l l Team consisting of EAOI personnel and contract personnel. This team's duties are t o elimina e the source of any s p i l l , remove a l l roarces of possible i g n i t i o n , deploy the most r e l i a b l e means of available transportation to monitor the movement of a s l i c k , and contain and remove tn«= s l i c k i f possible.
E l f Aquitaine Opc:ating. Inc. i s a member of Clean Gulf Associates (CGA). I'he CGA has two permanent equipment basss i n Tsxas, at Rockport and G&lveston, and four bases i n Louisiana, at Venice, Grand I s l e , I n t r a c o a s t a l City and Cameron. Each b-ise i s equipped w i t h f a s t response skimmers and there i s a barge mounted high volume open se* skimmer based at Grand I s l e , Louisiana. In a d d i t i o n to >rovj<l^ng equipment, the CGA also supplies ad i s o r : f o r cicsan-Lp operations. Equipment ,.*v* ' iable from CGA and the r»se i t i s located at i s l i s t e d i n the CGA Manual, Volume I , Seotion I I I .
Estimated response t'-.r.o f o r the s p i i " i n South Timbalier 226 would be approximatfly 12 hours. The primary CGA base of operations w i l l be Grand I s l e , Louisiana. South Timbalier 226 i s located approximately 40 miles c f f the Louisiana coastline and approximately 62 miles fro.n tne Grand I s l e base.
Deployment time i ^ as f o l l o w s :
1. Procurement of Vessel 2. Load-out T--..e 3. Tr?"el Time
4 hours 2 hours 6 hours
Estimated T o t a l Deployment Time 12 hours
As the p o s s i b i l i t y of an o i l s p i l l always e x i s t s , E2f 7.c;.utain? Operating, Inc. has p r o j e c t t d the t r a j e c t o r y of a s p i l l irom the South Timbalier 226 l o c a t i o n using the information i n the F i n a l Environmental impact Statement (EIS) f o r Lease Sales 131, 135 and 137 dated March, 1990.
The J"3 cor,rains o i l s p i l l t r a j e c t o r y simulation* using seasonal surface currents coupled w i t h wind data, adjusted •very 3 hours f o r 30 days or u n t i l A t a r c e t i s tontacted.
Hypothetical s p i l l t r a j e c t o r i e s were cimulated f o r each of tho p o t e n t i a l launch s i t e s MCX&ZS the e n t i r e Gulf. These simulations presume 500 spill-3 occurring i n each of the four seasons of the year. The r e s u l t s i n the EIS were presented 4S p r o b a b i l i t i e s t h a t an o i l s p i l l beginning from a p a r t i c u l a r launch s i t e would contact a c e r t a i n land segment w i t h i n 3, 10, or 30 days. U t i l i z i n g the summary of the t r a j e c t o r y analysis ( f o r 10 days) as pres:.ited on pages IV-81 through IV-87, the probable projected l.r.d f a l l of an c i l s p i i l i s ar fellows;. Also l i s t e d i . i the f.Qh Map Number corresponding co the land
- 4 -
segment wrcici. w i l l be u t i l i z e d t o determine environmentally and b i o l o g i c a l l y s e n s i t i v e areas t h a t may be affected by % s p i l l .
Area Number
Land Segment Contact % CGA Map
tlout> Timbalier 226 Lafourche, LA 1 6 C-14 I f a s p i l l should occur from t h ^ proposed l o c a t i o n . E l f Aquitaine Operating, Inc. would immediately a c t i v a t e i t s O i l S p i l l Response Operating Team, determining from current conditions the probably l o c a t i o n and time of l a n d f a l l by contacting the National Oceanic and Atmospheric Administration's »NOAA) Gulf of Mexico S c i e n t i f i c Support Coordinator (SSC) f o r assistance i n p r e d i c t i n g s p i l l movement.
Section V, ''Glume I I of the CGA Operations Manual which contains t i f moos as shown above also includes equipment to be used f o r p r j ictir»a and clean-up should i t be r .cessary. I t includes the, o pieces of equipment that are stockpiled by CGA and available f o r use.
Section V I , Volume I I of the CGA Operations Manual depicts the pr o t e c t i o n response modes t h a t are applicable f o r o i l s p i l l clean-up operations. Each response made i s schematically represented t o show optimum deployment and operation of the equipment. Implementation of the suggested procedures assures the most e f f e c t i v e use of :he equipment and w i l l r e s u l t i n reduced adverse impact of o i l s p i l l s on the environment. Supervisory personnel have the option to modify the development and operation of equipment t o more e f f e c t i v e l y respond t o s i t e - s p e c i f i c circumstances.
8. New or Unusual Technology
No new techniques or unusual technology w i l l be reguired f o r t h i s operation.
9. -<>se St i p u l a t i o n s
S t i p u l a t i o n No. 1 attached t o t h i s lease. I f during the proposed operations any c u l t u r a l resources are discovered, EAOI w i l l r e p o r t the discover., immediately to the Regional Manager. We w i l l also make every reasonable e f f o r t to preserve the c u l t u r a l resource u n t i l the Regional Manager has t o l d EAOI how t o p r o t e c t i t .
10. Discharges
A l l discharges from the South T i m e l i e r surface loca i i o : ; w i l l comply w i t h the Environmental Pre ceotion Agency NPDES General Permit f o r the Gulf of Mexico.
The permittee i s authorised by the General Permit t o discharge the e f f l u e n t s l i s t e d i n the f o l l o w i n g t a b l e . Such discharges w i l l be l i m i t e d and monitored by the permittee as s p e c i f i e d below:
- 5 -
• . .......jii mmm
Discharge and Eff luent Character is t ic
DECK DRAINAGE Free Oil
Volume (bbls)
PRODUCED WATER Oil and Grease
Flow (MGD)
PRODUCED SAND Free Oil
Discharge and Effluent Characteristic
Weight (lbs)
Monitoring Requirements Discharge Measurement Sample Limitation Frequency Type/Method
No Free Oil Once/day 11 Visual/Sheen on receiving
Once/month
72 mg/l Once/month daily max.
water
Estimate
Grab 3/
48 mg/l monthly avg
Once/month Estimate
No Free Oil Once/day 4/ Visual/Sheen on receiving water
Monitoring Requirements Discharge Measurement Sample
Limitation Frequency Type/Method
- - Once/month Estimate
WELL TREATMENT FLUIDS_5/ COMPLETION FLUIDS 5/ WORKOVER FLUIDS 57~ Free Oil No Free Oil Once/day 4/ Visual/Sheen
on receiving water
Estimate
Recorded Value(s)
Number of Sheen Observed
Month Total 2/
Daily Maximum & Monthly Avg
Monthly Avg
Number of Days Sheen observed
Recorded Value(s)
Monthly Total 2/
Number of Days Sheen observed
Monthly Total 2/
Volume (bbls) - - Once/month
SANITARY WASTE 6/ (continuously manned by 10 or more persons) Residual Chlorine 7/
Flow (MGD)
1 mg/l Once/month
Once/month
Grab
Estimate
Concent r a t i o n
Monthly Average 2/
SANITARY WASTE (continuously manned by 9 or fewer persons or intermittently by any number)
Solids No Floating Once/day Solids
Observation 8/ Number of Days Solids Observed
DOMESTIC WASTE Solids No Floating Once/day
Solids Observation 8/ Number
of Days Solids Observed
DESALINIZATION UNIT DISCHARGE; BLOWOUT PREVENTER FLUID; UNCONTAMINATED BALLAST WATER; UNCONTAMINATED BILGE W*TER; MUD, CUTTINGS AND CEMENT AT THE SEAFLOOR; UNCONTAMINATED SEAWATER; BOILER BLOWDOWN; SOURCE WATER AND SAND
Free Oil No Free Oil Once/day 4/ Visual/Sheen on receiving water surface
Number of Sheen Observed
1/ When discharging and facility is manned. Monitoring shall be accomplished during daylight by visual observation of the receiving water surface in the vicinity of the discharge.
21 This information shail be recorded, but not reported unless otherwise reguested by EPA.
3/ May be based on the arithmetic average of four grab sample results in the twenty-four period. The Regional Administrator may approve an alternative test method on a case-by-case basis.
4/ When discharging. Monitoring shall be accomplished during daylight by visual observation of the receiving water surface in the vicinity of the discharge.
5/ No discharge of priority pollutants except in trace amounts. Information on the specific chemical composition shall be recorded, but not reported unless requested by EPA.
6/ Any facility which properly operates and maintains a marine sanitation device (MSD) that complies with pollution control standards and regulations under Section 312 of the Act shall be deemed to be in compliance with permit limitations for sanitary waste. The MSD shall be tested yearly for proper operation and test results maintained at the fa c i l i t y .
2/ Haeh method CN-66-DPD approved. Minimum of 1 mg/l and maintained as close to this concentration as possible.
8/ Monitoring shall be accomplished during daylight by visual observation of the surface of the receiving water in the
- 7 -
v i c i n i t y of sanitary and domestic waste a t f a l l s . Observations shall be made following e.cher the morning or mid-day meals and at a time during daylight and maximum estimated discharge.
Discharges w i l l be free of o i l and w i l l be i n compliance with and monitored as required by EPA NPDES General Permit (GMG 280000) i n accordance with 40 CFR 122-6. Any o i l contaminated roud w i l l be transported to shore for proper disposal.
10. Hydrogen Sulfide
Elf Aquitaine Operating, Inc. has requested i n the Revised Plan of Exploration and i n accordance with 30 CFR 250.67(c) that the Minerals Management Service classify the area i n which the proposed operations w i l l take place. South Timbalier 226, as a zone where the absence of H2S has been confirmed.
EAOI believes that this area i s not a known H2S area because i n the d r i l l i n g of the South Timbalier 205 and 206 wells d r i l l e d by EAOI, no H S was encountered. In the approval l e t t e r for the revised POE for South Timbalier 226 dated May 26, 1989, this area was classified as a zone where the absence of H S has been confirmed.
11. Projected Air Emissions
An Air Quality Review for South Timbalier 226 i s included as Attachment "F".
12. Environmental Report
An environmental report for thi s location i s included as Exhibit "G".
13. Onshore Base
South Timbalier 226 i s located approximately 50 miles from the coast of Lafourche Parish, Louisiana where the water i s approximately 180 feet deep. A v i c i n i t y map showing the relationship of Block 226 to the shoreline and onshore base i s included as Attachment "A".
The proposed a c t i v i t i e s w i l l u t i l i z e a support base at Galveston, Texas. The base provides 24-hour service, a radio tower with phone patch, dock space, office space, a parking l o t , equipment and supply storage space, drinking and d r i l l water, •tc . The proposed production a c t i v i t i e s w i l l help to maintain this baae at i t s present level of a c t i v i t y . No expansion of the physical f a c i l i t i e s or the creation of new jobs is expected to result from the work planned i n conjunction with Block 226.
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13. Authorired Representative
Inquiries may be made to the following aulhorized representative of Elf Aquitaine, Inc.
Barbara J. Dougherty Regulatory Manager Elf Aquitaine, Inc. 1000 Louisiana, Ste. 3800 Houston, Texas 77002
Li s t of Attachments
A Location Plat of Platform and V i c i n i t y Map B Schematic of Platform C Structure Map (Not included in Public Information Copy) D Bathymetry Map E Shallow Hazard Report F Air Quality Review G Environmental Report H CZM Certification
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Rea. •tafacalonal Land Surveyor No. SOS State of Lou Id ana John E. Chance B Accoclatac, Inc.
pi ELF AQUITAINE OPERATING INC.
0.c.s.-«-ST7i - Platform "A"
PERMIT PLAT SOUTH TIMBALIER AREA
SOUTH ADDITION
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SOUTH TIMBALIER BLOCK 226 OCS-G-6771
SHALLOW HAZARDS REPORT
Elf Aquitaine Operating, Inc. has reviewed the p o t e n t i a l geologic hazard survey data acquired by Intersea Research f o r Gulf O i l Exploration and Production Company i n November 1984. These data included echo soundings, sub-bottom p r o f i l e r , high-resolution water gun, mini-sparker side scan sonor and magnetometer information.
Two surface locations have been d r i l l e d adjacent t o t h i s block. No surface geologic hazards were encountered i n the Transco #1 and #2 d r i l l e d i n the southeast corner of ST 208.
Elf Aquitaine Operating, Inc. d r i l l e d the South Timbalier 226 No. 1 w e l l t o 10460' MD, 8511' TVD and no geologic hazards were encountered.
A l l f u t u r e operations at t h i s l o c a t i o n w i l l be conducted i n safe and workmanlike manner.
225H2iD.DOC
PROJECTED AIR EMISSION SCHEDULE FOR DEVELOPMENT OPERATIONS COORDINATION DOCUMENT
GENERAL INFORMATION
Location of F a c i l i t y :
Distance Offshore:
Platform:
Operator:
Contact Person:
MAJOR SOURCE (OFFSHORE) - PRODUCTT CN
Emitted Substance
CO SO NOX VOC TSP
South Timbalier 226 OCS-G-6771
50 miles
Platform "A"
Elf Aquitaine Operating, Inc., 1000 Louisiana, Suite 3800 Houston, Texas 77002
Barbara J. Dougherty Regulatory Manager
Projected Emissions* Tons/Year
2.69 .012
7.02 .540 N/A
* Emission Factors from Table 3.2-1 "Compilation o: Air Pol l u t a n t Emission Factors", EPA Report AP-42, September, 1985
••Production equipment to be used on platform: Wellstream Heater (1.425MM BTU/hr)
MINOR SOURCES (OFFSHORE) - PRODUCTION
Including helicopter landing *nd take-off (2 trips/week), suopDy boat ( i trip/week), and loading and unloading operation?•
Projected Emissions Emitted Substances Tons/Year
CO SO-NOX VOC TSP
3.12 .12
3.78 1.14 U men own
* Emission Factors from Table 4.4, "Atmospheric Emissions from Offshore O i l and Gas Development and Production", EPA No. 450/3-77-026, June, 1977.
TOTAL ALL SOURCES (TONS/YEAR)
Major/Production Minor/Production
T o t a l
ONSHORE SOURCES
CO
2.69 .0032
so2
.012
.0075
NOX
7.02 .014
VOC
.540
.0011
TSP
N/A .0011
2.6932 .0195 7.034 .5411 .0011
These should be about the same as minor sources unless new f a c i l i t i e s are i n s t a l l e d at the onshore base. No ad d i t i o n a l f a c i l i t i e s are required at t h i s time.
EMISSION EXEMPTION DETERMINATION
For CO: E = 3400D 2 / 3 = 3,400(50)2/3 = 4 6 > 1 4 6 t o n s / y M r
For NOX, VOC, TSP £ S0 2 : E = 33.3D = 33 . 3( 50) 1,665
tons/year
As per DOI/MMS regulations, t h i s f a c i l i t y i s exempt from f u r t h e r a i r q u a l i t y review as i t h-:;s been determined that i t s operations w i l l not have s i g n i f i c a n t adverse environmental impact on a i r q u a l i t y .
SUPPDEV.DUC
ENVIRONMENTAL REPORT SOUTH TIMBALIER 226
OCS-G-6771
The following Environmental Report was prepared by Barbara J. Dougherty for Elf Aquitaine Operating, Inc. for Coastal Management Consistency Determination by the State of Louisiana on operations proposed i n the Development Operations Coordination Document for Federal Leases OCS-G-6771.
For inquiries regarding this report, please contact:
ELF AQUITAINE OPERATING, INC.
1000 Louisiana, Suite 3800
Houston, TX 77002
Attention: Ms. Barbara J. Dougherty
(713J/655-6410
ENVIRONMENTAL REPORT
FEDERAL LEASE OCS-G-6771 SOUTH TIMBALIER 226
DEVELOPMENT OPERATIONS COORDINATION DOCUMENT
I . INTRODUCTION
Elf Aquitaine Operating, I n c . , Houston, Texas, plans to conduct a development program i n South Timbalier 226, Lease OCS-G-6771. This report i s submitted w i t h the I n i t i a l Development Operations Coordination Document (DOCD) i n accordance with the regulations of 30 CFR 250.34 and guidelines published November 20, 1980, and October 12, 1988.
I I . DESCRIPTION OF PROPOSED ACTIONS
Chevron Corporation and Offshore Bechtel Associates, L td., obtained South Timbalier Block 226 i n Lease Sale 81 on June 1, 1984.
Gulf Corporation f i l e d an I n i t i a l Plan of Exploration whereby they proposed to d r i l l two w i l d c a t wells.
EAOI farmed i n Block 226, f i l e d a Revised Plan of Exploration, and spudded the No. 1 w e l l on May 29, 1989. This w e l l was temporarily abandoned on July 9, 1989. However, t h i s w e l l had been tested on Ju-./ 7, 1989 and was determined to be capable of producing gas i n paying q u a n t i t i e s and was placed i n a minimum r o y a l t y status e f f e c t i v e w i t h the date of the t e s t , as stated i n your l e t t e r dated August 16, 1989.
Under t h i s I n i t i a l Development Operations Coordination Document (DOCD), EAOI proposes t o i n s t a l l a 3 - p i l e , 3-slot w e l l protector platform w i t h t e s t i n g f a c i l i t i e s and a h e l i p o r t over the e x i s t i n g surface of the No. 1 w e l l located at 4204' from the west l i n e and 4614' from the north l i n e of South Timbalier Block 226. A pip e l i n e w i l l be i n s t a l l e d and the lease w i l l be placed on production.
A c t i v i t i e s proposed under t h i s DOCD are expected to commence i n November, 1990, w i t h production commencing i n February, 1991.
A. Travel Modes and Frequency
EAOI w i l l operate out c f i t s onshore service base f a c i l i t i e s at Fourchon, Louisiana. During production operations a helicopter w i l l make two t r i p s per week, supply boats three t r i p s per week and crew boats w i l l make one t r i p per week. Transportation vessels w i l l use the most d i r e c t route t o the lease s i t e which i s located approximately 50 miles from Fourchon, Louisiana.
B. Support Base
The proposed a c t i v i t i e s w i l l u t i l i z e a support base at Fourchon, Louisiana. The base provides 24-hour service, a radio tower with phone patch, dock space, o f f i c e space, a parking l o t , eguipment and supply storage space, d r i n k i n g and d r i l l water, etc. These proposed production a c t i v i t i e s w i l l help to maintain t h i s base at i t s present l e v e l of a c t i v i t y . No expansion of the physical f a c i l i t i e s or the c r e a t i o n of new jobs i's expected to r e s u l t from the work planned i n conjunction w i t h Block 226.
C. New Support F a c i l i t i e s
No new onshore support f a c i l i t i e s such as new land bases, r e f i n e r i e s , storage f a c i l i t i e s , pumping s t a t i o n , boat docks, hel i c o p t e r pads or f u e l i n g f a c i l i t i e s are l i k e l y t o be reguired because of the a c t i v i t i e s planned f o r South Timbalier 226.
D. New Techniques or Unusual Techncloqy
No new techniques or unusual technology w i l l be required f o r t h i s operation.
E. Map of Proposed A c t i v i t y
As shown by the attached v i c i n i t y p l a t , the leases on which the proposed a c t i v i t i e s w i l l take place are located <*pp- oximately 50 miles form the Louisiana shoreline.
F. Coastal Zone Management Consistency
This p r o j e c t i s consistent w i t h Louisiana's program f o r Coastal Zone Management as provided i n 15 CFR 930 and the Louisiana State and Local Coastal Resources Management Act of 1978 (Act 361). The operations w i l l take place on the OCS outside of Louisiana's 3-mile l i m i t . Coastal e f f e c t s of the base are minor and are consistent with the Coastal Resources Program.
I I I . DESCRIPTION OF AFFECTED ENVIRONMENT AND IMPACTS
A. Physical and Environmental
1. Commercial Fishing
South Timbalier Block 226 i s located 50 miles from the Louisiana Coast i n the Central Gulf of Mexico where water ranges from 187' to 190' below main sea l e v e l .
The Gulf of Mexico y i e l d e d the nations l a r g e s t regional commercial f i s h e r y by weight i n 1988. The Gulf shrimp f i s h e r y i s the most valuable i n the United States accounting f o r 80% of the t o t a l domestic production. Three species of shrimp, brown, white
and pink dominate the J . ings. harvest of oysters anc takes place i n the Gulf -»a f i , and estuaries.
Menhaden i s the most valuable f i s h landed. Other im comercial f i s h include red snapper, spotted sea t r o u t , drum, shark, black n u l l e t t and sword f i s h .
The proposed operations i n t h i s area can be expected t o the commercial f i s h i n g i n the f o l l o w i n g ways:
Production platforms cause underwater o b s t r u c t i c r e s u l t i n losses of shrimp t r a w l s , shrimp cat vessel damage.
O i l s: t i l s pose the greatest t h r e a t t o coir f i s h " by d i r e c t contact w i t h eggc, larvae, j u o ss.- *d spawning adult f i s h or s h e l l f : cc .animation of estuary h a b i t a t .
Discharges of small q u a n t i t i e s of produced waters and d waste waters may c~tur around the pl a t f o r m ; however, the meet a l l e f f l u e n t I m i t a t i o n s and are not depicted to imp area's marine l i f e .
Petroleum platforms i n the northern Gulf of Mexico (and other locations) c o n s t i t u t e unusual environments compared surrounding waters and s o f t bottoms i n t o which they ar embedded. Platforms act as n u c l e i f o r commercial ant fisherman and many species of f i s h l i n g e r near p-i n c l u d i n g those without trophic der ->ndenca upon them, species are found only around petroleum platforms and reefs i n the northern Gulf and include several groupers ar f i s h of economic value. For species such as these, avail of n a t u r a l habitat may be a l i m i t i n g f a c t o r , w i t h art reefs allowing f o r population expansion and a larger f i s h t
Typical species caught at the platforms include resident w e l l as those pelagic forms temporarily a t t r a c t e d t o them
Ov e r a l l , fishermen have ^ n e f i t e d from the growth petroleum industry i n the 3 waters of the Gulf of While technological improvements have enabled cot fishermen t o increase the volume of landings,, by-products developraent of the petroleum i n d u s t r y have also had a impact on f i s h i n g . Because OCS petroleum developt dependent on extensive marine -esse! u t i l i z a t i o n , hark ports have been improved, p o r t access waterways ha expanded and improved, and the a v a i l a b i l i t y and q u a l i t y o vessel maintenance and repair f a c i l i t i e s , have i s i g n i f i c a n t l y . These improvements have d e f i n i t e l y ha^ a e f f e c t on fishermen (LASSITER, 1980).
2. Shipping
South Timbalier 226 is clear of a l l fairways and anchorage areas. Operations in this area w i l l be in accordance with the U. S. Coast Guard's regulations regarding navigational standards. The i n s t a l l a t i o n and use of navigational aids, lifesaving equipment, and other safef. requirements pursuant to U. S. Coast Guard regulations are standard operating procedure for d r i l l i n g r i gs, platform and marine vessels u t i l i z e d by EAOI. There should be l i t t l e or no impact on shipping resulting from the proposed operations.
3. Recreational Resource and Acti v i t i e s
The northern Gulf of Mexico coastal zone is one of the major recreational regions of the United States, particularly with marine fishing, scuba diving, and beach-related a c t i v i t i e s . I t is estimated that over 38 m i l l i o n residents of the Gulf coastal states have a major interest i n water-related and water enhanced recieational a c t i v i t y . Approximately two-thirds of the Gulf shorefront i s composed of beach and there i s one motor boat for about every 21 people l i v i n g in the Gulf Region. More s p e c f i c a l l y , approximately 13.5 million people, or 35 percent of the Gulf States population, l i v e i n the area most d i r e c f y affected by Gulf a c t i v i t y , and about one-third of the registered boats are l i k e l y candidates for marine recreational a c t i v i t y (16' or greater).
I t i s reasonable to expect that production on blocks leased i n the Central Gulf of Mexico w i l l result in some ocean l i t t e r and could lead to one major o i l s p i l l , and that s p i l l and debris could be carried by wind, wave and currents to interact with major shorefront recreational beaches throughout the Gulf of Mexico. The trash and debris, such as o i l drums, large plastic containers and sheeting, computer read-write rings, seismic markers, styrofoam floats, pipe th. ead protectors, diesel f i l t e r s , hard hats and tar balls, i s c:^arly associated with the petroleum industry; however, the problem w i l l cause only localized, short-term inconvenience.
4. Cultural Resources
There are no known archaeological sites i d e n t i f i e d i n the area; however, EAOI agrees that i f any s i t e , structure or object of h i s t o r i c a l significance should be discovered during operations, the findings w i l l be immediately reported to the Supervisor and every reasonable ef f o r t w i l l be made to preserve and protect the cultural resources from danger u n t i l the Supervisor has given directions as to i t s preservation.
5. Ecologically Sensitive Features
There are no ecologically sensitive features i n the proposed area of operations.
6. E x i s t i n g Pipelines
"'here are no known pipelines t r a v e r s i n g Block 226
7. Other Mineral Uses
The a c t i v i t i e s proposed w i l l have no d i r e c t or i n d i r e c t impact on othe*- mineral uses.
8. Ocean Dumping
A l l produced waters w i l l be treated according t o OSHA regulations. Vessels w i l l be properly designated so that output w i l l meet a l l regulatory reguirements and w i l l not exceed 35 p a r t s / m i l l i c n . The produced waters w i l l be dumped overboard and monitored on a monthly basis.
9. Endangered or Threatened Species
Six f e d e r a l l y l i s t e d endangered whale species may occur i n the Gulf of Mexico: the blue f i n , humpback, r i g h t , sei and great sperm whales. The r i g h t whales are the most endangered cetacean i n the Gulf of Mexico.
The Fish and W i l d l i f e Servic has designated 15 untreated species that could be affected by OCS o i l and gas operations i n the Gulf of Mexico. A l l but the American crocodile i n h a b i t the Central and Western Gulf. The 1-st includes three mammals (the JAGUARUNDI, OCELOT, and WEST INDIAN MANATEE), seven birds (the bald eagle, a r c t i c p e r e g r i n a l , whooping crane, brown pelican, Eskimo curlew, piping plover and least t e r n ) , and s i x other r e p t i l e s ( the American crocodile and the hawksbill, Kemp's Ridley, loggerlead, leatherback and green sea t u r t l e s ) .
The most l i k e l y a f f e c t s of o i l and gas on cetaceans are skin and eye i r r i t a t i o n s , baleen f o u l i n g , asphyxiation from i n h a l a t i o n of v o l a t i l e fumes, food reduction or contamination, and o i l ingestion. Subsurface sounds frw.T. d r i l l i n g a c t i v i t i e s may induce stress and have a cumulative e f f e c t on hearing or d i s r u p t acoustic communications; however, most of the impacts on whales and short-term and sublethal and estimated to be low as whales prefer t o i n h a b i t area beyond the continental shelf away from most noise disturbances.
O i l s p i l l s contacting a t u r t l e nesting beach incubation or hatching periods could cause s i g n i f i c a n t t u r t l e m o r t a l i t y ( F r i t t s and McGhee, 1981) and offshore o i l s p i l l s could have a serious impact on j u v e n i l e t u r t l e s as sea t u r t l e s can attempt t o swallow any object of appropriate size, such as t a r b a l l s , which could r e s u l t i n s i g n i f i c a n t t u r t l e m o r t a l i t y . There i s a 2 percent p r o b a b i l i t y of one or more o i l s p i l l s occurring and contacting sea t u r t l e s nesting h a b i t a t and less than a 10 percent
p r o b a b i l i t y of one or more o i l s p i l l s occurring and contacting sea t u r t l e foraging areas o f f the c e n t r a l Louisiana coast.
The impact on various endangered and threatened species w i l l depend on the nature of the s p i l l , weather conditions, proximity of s p i l l s t o species, tolerance f o r o i l of species, and the espouse time and effectiveness of the o i l s p i l l cleanup and containment services. Given these variables, the impact on the various endangered or threatened species w i l l vary frorr. l i t t l e or no e f f e c t t o very serious.
The experience of o i l and gas exploration i n the Gulf of Mexico indicates t h a t there i s a small p r o b a b i l i t y of occurrence of an o i l s p i l l . E l f Aquitaine Operating, Inc. as a prudent operator, w i l l take the necessary precautions to reduce the p r o b a b i l i t y of o i l s p i l l s . E l f Aquitaine Operating, Inc.'s proposed oj .ations should pose no threat to any endangered or threatened species.
B. Socio-Economic
1. Related New Employment
This i s not applicable at t h i s time.
IV. UNAVOIDABLE ADVERSE IMPACTS
A large o i l s p i l l at South Timbalier Block 226 i s very u n l i k e l y but could r e s u l t i n lo c a l i z e d severe m o r t a l i t i e s , selective and fu n c t i o n a l impairment of plankton communities, thereby a l t e r i n g .he COi.-.nuiiity s t r u c t u r e f o r an unknown period of time.
Air emissions from combustion of diesel f u e l i n engines and helicopters can a f f e c t the a i r q u a l i t y near the proposed operations s i t e s and near the onshore t r a v e l routes. I n most cases, the emissions w i l l be l o c a l i n nature and w i l l be quickly dissipated by clime':lr conditions.
Catastrophic events such as o i l s p i l l s and blowouts have the p o t e n t i a l t c reate l o c a l i z e d a i r q u a l i t y problems. Degradation of onshore a i r q u a l i t y i s not l i k e l y to occur and i s not expected due to the low number of expected s p i l l s , probable distance from shore (m«-.re than 3 miles and very l i k e l y f a t h e r ) , r a p i d dispersion or breakup associated with o i l s p - l i s and the turbulent v a r i a b l e winds offshore. Rapid dispersion of evaporative emissions from these sources i s expected.
I f a blowout resulted i n a f i r e , s ubstantial l e v e l s of THC, N0„ S0„ CO and TSP would be emitted. Local a i r would be severely degraded f o r the duration of the - i r e . The extent of degradation i s indeterminate, but i t i s u n l i k e l y that i t would be high enough to a f f e c t land resources or human health.
The proposed production a c t i v i t i e s are not expected to harmfully affect water quality, interfere with commercial fishing operations, recreational a c t i v i t i e s or shipping t r a f f i c .
SUMMARY
The proposed a c t i v i t i e s w i l l be carried out and completed with the guarantee of the following items:
1. The best available and safest technologies w i l l be u t i l i z e d throughout the project. This includes meeting a l l applicable requirements for equipment types, general project layout, safety systems, and equipment monitoring systems.
2. A l l operations w i l l be covered by a Minerals Management Service approved Oil S p i l l Contingency Plan.
3. A l l applicable federal, state and local requirements regarding a i r emissions and water quality discharge for the proj>osed a c t i v i t i e s , and well as any other permit conditions, w i l l be complied with.
REFERENCES
U. S. Department of the I n t e r i o r , Minerals Management Service, F i n a l Regional Environmental Impact Statement, Volume 1, January, 1983.
U. S. Department of the I n t e r i o r , Minerals Management Service, * i n a l Regional Environmental Impact Statement, July, 1984.
U. S. Department of the I n t e r i o r , Minerals Management Service, F i n a l Environmental Impact Statement, Proposed O i l and Gas Lease Sales 104 and 105, November, 1985.
U. S. Department of the I n t e r i o r , Minerals Management Service, F i n a l Environmental Impact Statement, Proposed O i l and Gas Lease Sales 110 and 1x2, A p r i l , 1986.
U. S. Department of the I n t e r i o r , Minerals Management Service, Draft Environmental Impact Statement, Gulf of Mexico Sales 123 and 125.
U. S. Department of the I n t e r i o r , Bureau of Land Management, Thu Ecology of Petroleum Pent farms i n the Northwestern Gulf of Mexico.
U. S. Department of the I n t e r i o r , Bureau of Land Management, F i n a l Environmental Impact Statement, OCS Sale and 63A, 1976.
COASTAL ZONE MANAGEMENT
CONSISTENCY CERTIFICATION
DEVELOPMENT OPERATIONS COORDINATION DOCUMENT
SOUTH TIMBALIER BLOCK 226
OCS-G 6771
The proposed a c t i v i t i e s described i n d e t a i l i n t h i s Plan comply w i t h Louisiana's approved Coastal Zone Management Program and w i l l be conducted i n a manner consistent with such program.
Arrangements have been made w i t h the State Times i n Baton Rouge, Louisiana to publish a public notice of the proposed a c t i v i t i e s no l a t e r than October 31, 1990. A d d i t i o n a l l y , arrangements have been made w i t h the Lafourche Gazette i n Lafourche Parish, Louisiana to publish a public notice of the proposed a c t i v i t i e s no l a t e r than October 31, 1990.
Elf Aquitaine Operating, Inc.