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DATE 7' 2- " f 7
1 TO: OP3-3-4
FROM: FO-2-1
Unit Pian of Explorationjflam mad Eini.Uiiii
LeaseC>i OCS / Control No. U- L^9^
Office0* ProEram M »
JUL 0 6 1387
(conoco)
Wai l i y T. PrMCOtt Conoco Inc. Divition Manager PO. Box 2197 E««t«m Gulf of Mexico Houaton. TX 77252 North American Exploration (7131 293-2205
NON-CONFIDENTIAL
June 18, 1987
U.S. Department of the In te r io r Minerals Management Service Gulf of Mexico Region 1201 Elmwood Park Boulevard New Orleans, Louisiana 70123-2394
Attention: Mr. Ralph J . Melancon Acting Regional Supervisor Production rnd Development
Gentlemen:
Supplement to the Second Annual Development Opetations Coordination Document, Green Canyon 184 Un i t , Unit No. 14-08-0001-20257, Pifshore Louisiana, Your Reference RD-3-2 (C-44284)
The above referenced Development Operations Coordination Document (DOCD) was submitted on February 26, 1987 and approved Apri l 1 , 1987, and supplemented Apr i l 15, 1987, and approved Apr i l 22, 1987.
RECEIVED '%
JUN 2 4 198/ 9* FIELD #•
% 4 OPERATIONS
Conoco Inc. and Texaco Producing Inc. wish to supplement the current DOCD by submitting the fol lowing we l l .
Green Canyon Block 223 Well No. 4
Surface Location: 200' FSL and 5,900' FWL of Block 22f MD: 7,000' Water Depth: 1,960' Rig: Semisuou.ersible Probable Commencement Date: August, 1987
This well w i l l be d r i l l e d by the Zapata Yorktown semisubmersible d r i l l ing r i g . The Yorkcown is currently d r i l l i n g the Green Canyon Block 141 Well No. 1 fur Conoco and Texaco, which should be f inished by early July.
The onshore bases for operations during the proposed exploratory d r i l l ing act iv i ty w i l l be our exist ing shore base on Grand I s l e , Louisiana and the Martin Fuel Dock in Fourchon, Louisiana.
POE 1/010a
Minerals Management Service June 18, 1987 Page 2
Oil Spill Prevention and Response
Pollution s p i l l prevention w i l l be accomplished pr imari ly by compliance with the design, equipment and operations requirements of OCS Orders 2, 5, and 7. Procedures and guidelines fo r s p i l l reporting in accordance with applicable regulations are provided in our Contingency Plan for Accidental Discharges for Oil or Hazardous Substances. This plan satisfied a l l requirements of OCS Order 7 for an Oil Sp i l l Contingency Plan. The plan provides both advance preparation and action procedures for a Divisional Task Force and an Operational Response Team. Resources made available include Clean Gulf Associates equipment, company and other industry-owned equipment and that of several local o i l s p i l l clean-up contractors. Pertinent CGA equipment including several fast response units are located at Venice, Grand I s l e , Houma and Intracoastal City, Louisiana. A fast response un i t can be deployed and on the scene within 24 hours.
Environmental and Safety Safeguards
During d r i l l i n g operations, appropriate requirements of OCS Order No. 2 for gas detecting equipment to monitor mud returns and for BOP equipment to maintain well control w i l l be met. The r i g used w i l l be equipped with curbing and dr ip pans around equipment as necessary to prevent pollution and operations w i l l be conducted under an approved Cr i t i ca l Operations and Curtailment Plan. The r i g w i l l have adequate f i r e - f i g h t ing equipment and w i l l be bound by contract to operate in compliance with appropriate U.S. Coast Guard regulat ions.
Attached are a location p la t , v i c i n i t y p l a t , a i r emission data sheets, l i s t of mud components and addit iyes, and pert inent r i g data.
Conoco Inc. , as Unit Operator, requests your approval of th is Supplement to the Second Annual Development Operations Coordination Document of the Green Canyon 184 Uni t . Conoco Inc. could commence operations on the well as early as the f i r s t week of Ju ly , therefore your prompt approval would be greatly appreciated.
Please feel free to ca l l the undersigned at. (713) 293-2205 or Lee Tacon at (713) 293-3740 i f you have any questions.
Thank you.
WTP/LBT/lk Encs
POEl/OlOa
183 184
22 7 228
CONOCO INC. Block 228 OCS-C 5912
O «1 Gr id
#2
O
BHL
# 3
5900'
227 228
271 277 >ot'
Conoco Inc.
Q LOCATION PLAT • • ^ Crecn Canyon Block 22R A r m
Crcen Canyon Block 2?f OCS-C 591? W P I I N o *
Scale: r ' - ? > V i '
Approved TBRfDRR 5/28/87 tt'E
TNOT
PROJECTED AIR EMISSIONS GREEN CANYON 228 WELL NO. A
D r i l l i n g Rig Emissions
Pollutants CO TSP SO N 0X VOC
Lbs/Day 39.25 N/A 18.07
267.93 8.93
Total Tons/ A5 Days 0.8B N/A 0.41 6.03 0.20
Tne above figures are based upon A5 r i g days and d r i l l i n g 7072' of new hole. Emission estimates are based upon EPA's publication AP-A2 and PB-27226B e n t i t l e d "Atmospheric Emissions fron Offshore Oil and Gas Development and Production" - June 1977.
Other Emissions
Pollutants Lbs/Day Total Tons/A5 Days CO A0.3A 0.90 TSP 0.75 0.02 SO A.1A 0.09 NO: 56.A7 1.27 VO E 20.76 0.A7
The above figures were calculated as per EPA Publication AP-A2 and includes emissions related to helicopter landing/takeoff cycles and boat a c t i v i t y including f u e l loading and t r a n s i t loss and emissions while running, loading and standing by.
Total Emissions
Pollutants Total Tons/A5 Days CO 1.76 TSP 0.02 SO 0.50 NOj! 7.30 VOC 0.67
NOTE: Distance from nearest state land is approximately 98 statute miles.
(
Tne following 1« e l i . t of be t fed onelle In the Cul f
w i l l be U complfence wi th
WODOCT
A]usinus Stearate
Barite)
Bentonlte
Bicarbonate of Sode
Cauet lc Soda
Clean-Soot
Cement
D i e e e l Fuel
Llgnoeelfonete ( C L / C L S , Q-Broxln Spereene, e t c . )
Clay
CMC
Drlepec
Cold Fury
rer L i g n i t e
Lime
LVT
•Sea Hon-Pac
Hor-Rex
Nu'plng
r i p e Lex
Rcelncx
Srcked Flehlng Toole
S a l t
S a l t C c l
SAH-5
Soda Aeh
S t a r c h
Cuabc Bweter
d r i l l i n g end completion f i e l d eddltfeee that „ . y of Mexico. Dlachergc of eny of theee ateterlele U.S. ETA Ccnerel F e r a l ! Ro. CHC260000
DESCRIPTIOH
Aluminum S e l t e reacted with S t e a r i c Acid
Barium Su l fa t e
Wyoming Bentonlte
Sodium nicarbonate
Mineral o i l and addit ive
Mixture of Celcliae Alueilnetea and S l l l c a t e a
M a t u r e of C e l c l u a Aluminates end S l l l c e t c c
tub-Bentorilte
Sodium Carboxymethyl Cc l lu loee
Folyenloa lc Ce l la loee
Degnaecr , » lx more eurfonlc K-60 e u r f e c t e n t
Potesslum Chloride
L i g n i t e
Calcium Hydroxide
Non-toxic K l n e r e l O i l
Mica Flakea ( S l l l c a t e a )
Polyanionic C c l l u l o e e
Carbohydrate Polymer (water a o l u b l e )
Cround Valnut F h e l l e
Azcllne and wool greeae, c o n t e i n t 2Z
la o p r o p y l e l c o h o l
Co-polymer o f e Sulfoneted L i g n i t e end e Phenol Formaldehyde
/ l r blown a a p h a l t , calcium hydroxide and
f a t t y aclda
Sodium Chloride
A t t a p u l g i t e Clay
Spacer
Sodium Carbonate
P r r - g c l e t I n t t e d Starch
Detergent
S e m i s u b m e r s l b l e
ZAPATA YORKTOWN N o m i n a l w a t e r dep th ra t ing 2 . 0 0 0 '
H u l l — D i m e n s i o n s D r i l l i n g E q u i p m e n t
Reg is te red
Overal l L e n g t h Overal l W i d t h Depth Opera t i ng Draft Natural
Heave Per iod Natura l
P i tch Per iod Natural
Roll Pe r i od Cranes
A n c h o r i n g System
Towing S p e e d in C a l m Sea
S t o r a g e
Dril l ing Wate r Potable Wate r Fuel Oi l Liquid M u d Total Bu l k M u d
and C e m e n t Sack S t o r a g e Sewage T rea t ing
System Desal imzat ion
Unit Heliport
Sen-submersible with six stabilizing columns U S A Built at Avor.dale Shipyard. New Orleans, Louisiana 260' 200' 80'
45'
21 sec
30 sec
34 sec
One Manitowoc Mooel 135, 120' boom. 55 lon capacity at 30' radius One Maniiowoc Model 135. 80 ' boom. 56 ton capacity at 30' radius One Manitowoc Model 70. 110' boom, 28 lon capacity at 30' radius Eight Vmcmay Otfdnll 40.000 Ib anchors with eight 2.500' lenglhs ol 2 V steel stud length chain and eight 4.500' lengths of 2 V wire rope Four Skagit double drum wildcat windlasses rated at 450.000 lb tension with release up to 900.000 i t tension
10 knots with 8.000 hp sea tug
Quarters Personnel
Surv ival
8.800 bbls 1.325 bbls 6.900 bbis 1.720 obis
10.200 cu ft 6.000 sacks
Red Fox. 5.000 GPD
15.000 GPD capacity Designed to accommodate S-61 helicopter Quarters for 84 persons
Drawworks
Mam Power Plant
Pumps
Rotary Riser Pipe
Equipment
BOP Equipment
Substructure
Derrick
Pipe Racking Svstem
Drill String Compensator System
Mud Mixing Pumps
Cementing Unit Drill Collars and
Drill Pipe
Rated to 25.000' Oiiwc:1 Model E-3000 driven by two EMD D79MB dc electric motors rated at 800 hp each
Three EMD-16-645-E8 d.esei engines rated at i .950 bhp at 900 rpm with three EMD Model A-20-N6 ac generators ABS rated and certified for 1.400 kw Ross Hill SCR system Two Oilwell A1700-PT triplex pumps each driven by two EMD D79MD electnc motors Oilwell 4 9 % "
2.000' of 2 1 " O D x 2 0 " ID 45' stroke slip |omt. riser tensioning Syslem by Rucker Cameron 1 8 V single stack system wilh two 10.000 PS' wp Cameron type U double ram preventers, and two Ruckei-Shaffer 18 V ' sphencai preventers Derrick Mlg welded rig<a frame lg suppon 160' derrick 160' x 40 ' x 40' designed to accommodate a motion compensator and automated pipe racking system
BJ three-arm electro-hydraulic vertical racking system
Rucker-Shaffer IP stroke
Four 6 " x 8 " centrifugals Halliburton 9 V OD x 3 " ID x 31 collars 8 " OD x 2 " / „ " ID x 31 'collars 6W" OD x 2'A" ID x 31'collars. 5 " OD 19 50 lb . Grade E. Range 2. 5" OD. 19 50 lb . Grade G 105. Range 2
Three Brucker s u r v i v a l capsules, one s e l f - r i g h t i n g l i f e boat