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7/26/2019 Bor-5 - Formation Evaluation
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Formation
Evaluation &Wellsite DutiesEdi B. Setyobudi2016
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Further Readings
Baer !ughes" 1##6" $Wellsite%eology Re'eren(e %uide)
Baer !ughes" 1##6" $Sur'a(e*ogging Systems +raining
%uide)Seubert" B.W." 1##," $+heWellsite %uide -n ntrodu(tionto %eologi(al Wellsite/erations) + etroEusantara /nline ubli(ation
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Formation Evaluation+e(hni3ues used to determine the ability o' 4ellbore to e(onomi(ally rodu(ehydro(arbons5
Wellbore (utting eamination
7ud logging hydro(arbon gases re(ordi8oring
Wireline logging
Well testing
+yas 7irasih
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Wellsite %eologist Duties
8olle(t" Evaluate and Re(ord allgeologi(al data and reort to the/eration %eology Suervisor5
Des(ribe and re(ord lithology and !sho4s en(ountered in the 4ell
Witness & :8 mud logging and4ireline oerations
8ore oint sele(tion and des(rition;in(lude SW8isual orosity &ermeability
!ydro(arbon Sho4ndi(ation
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-dditional Des(ritions%rain (olor 9 mainly to des(ribe grains in loose s
8utting Shae 9 tyi(ally teture 'or so't sedimelie (oal" shale and siltstone" but some 'eaturesre(ogniCed as ressure and bit tye ee(t
Fissility9 main internal stru(ture to identied sha
*uster9 mainly used 'or mineral or sho4ing dego' (oal maturity
8rystallinity9 se(ially used 'or limestone
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!8 Sho4s
/il Sho4s/il sho4 des(rition under ultra9violet light mi(ros(oe
%as Sho4s+otal %as readings using hot94ireunit ;gas dete(toregg
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i(ing 8ore oint
7ud ;*ithologi(< *og
8orrelate 4ith
eisting 4ell loidenti'y amarer above(ore oint
Sto at drillingbrea (ir(uout samles
' (onrmed /! to (hange
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8ore Bit and 8oreBarrels
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*ay Do4n +he 8ore in +he 8oBoes
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Des(ribe +he 8ore
/il bleeding 'rom the (ores
*ithology Sedimentary
stru(tures
!8 sho4s
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Wireline *ogging re Iobn'orm *ogging Engineer 4ith5
*ogging rogram as stated in the Drillingrogram and number o' rush (oies
-ll *og !eader Data ;Well ame" *o(ation"Elevation et(