Proposed Cement Design

8/16/2019 Proposed Cement Design

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Proposed Cement Design

Well Casing Top ofCement

Lead (ppg) Tail (ppg)

GMJT-01GMJT-02GMJT-03GMJT-04GMJT-05

20” !"fa#e 15$%

13-3&%” Lead'!"fa#e

Tail' 150maoe 13-3&% s*oe

12$+ 15$%

,-5&%” Lead' 150maoe 13-3&%” s*oe

Tail' 150m

aoe ,-5&%”s*oe

12$+ 15$%

” Top of Line" 15$%

.ased on t*e tale aoe is a gene"al g!ideline #ement design fo"all Gelama Me"a* p"oposed /ells in#l!ding /eig*t of sl!"" and topof #ement info"mation fo" ea#* *ole se#tion$ Lead sl!"" densit is12$+ ppg and Tail sl!"" densit is 15$% ppg fo" 13-3&%” and ,-5&%”*ole se#tion /*ile #ond!#to" #asing 20” and Line" ” sl!"" densitis 15$% ppg$

ample Cal#!lation fo" GMJT-01 Cementation 13-3&%” Casing

T*e follo/ing #al#!lations a"e"e!i"ed p"io" to #ement oin#l!ding Lead and Tail sl!""ol!mes mi /ate" and addities!sage$

1$ ind t*e lengt* of t*e "at*ole6 s*oe oint and lengt*

et/een open *ole and#asing s*oe$

7at *ole 8 Total 9ept* : 13-3&%”Casing *oe 8 +04$0 m : +00$0 m8 4 m

*oe oint 8 13-3&%” Casing *oe: 9"ill Colla" 8 +00$0 m : 54$0 m8 2+ m


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;pen *ole lengt* fo" tail sl!"" 8 13-3&%” Casing s*oe : Top of tail 8+00$0 m - 450$0 m 8 150 m

;pen *ole lengt* fo" lead sl!"" 8 Top of tail : 20” Casing s*oe 8450$0 m : 350$0 m 8 100 m

Lengt* along 20” Casing 8 350$0 m : +,$, m 8 2%0 m

2$ Cal#!late ol!mes fo" Lead Cement l!""6 12$+ ppg$


3/5

Total sa#Bs of #ement 8 541 ss

ea /ate" 8 541 ss 11$3, gps 8 +1+2 gal 8 14+$ ls

Miing l!id 8 541 ss 12$50 gps 8 ++2$5 gal 8 1+1 ls

7eta"de" 8 541 ss 0$0+ gps 8 32$5 gal

l!id-Loss 8 541 ss 0$05 gps 8 2$1 gal

9ispe"sants 8 541 ss 1$00 gps 8 541 gal

Tail l!"" 9etails'

Tail l!"" ol!me 8 54 ft3

Total sa#Bs of #ement 8 4+0 ss

ea /ate" 8 4+0 ss 4$+4 gps 8 2134$4 gal 8 50$% ls

Miing l!id 8 4+0 ss 5$3, gps 8 24,$4 gal 8 5,$0 ls

7eta"de" 8 4+0 ss 0$02 gps 8 ,$2 gal

l!id-Loss 8 4+0 ss 0$05 gps 8 23$0 gal

9ispe"sants 8 4+0 ss 0$35 gps 8 1+0$, gal

5$ Total #ementing and #*emi#als !sage fo" 13-3&% *ole se#tion$Class EG” 8 541 ss A 4+0 ss 8 1001 sa#Bs

7eta"de" 8 32$5 gal A ,$2 gal 8 41$ gal

l!id-Loss 8 2 gal A 23 gal 8 50 gal

9ispe"sants 8 541 gal A 1+1 gal 8 02 gal

Tale of Cement sl!"" ol!me fo" ea#* *ole se#tion p"oposed fo"GMJT-01

Well Casing Tpe ofCement &Fddities

Leadl!""


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GMJT-01Miing l!id 1+1$0

ls5,$0 ls 220$0

ls7eta"de" 32$5 gals ,$2 gals 41$ galsl!id-Loss 2 gals 23 gals 50 gals9ispe"sants 541 gals 1+1 gals 02 gals

,-5&%” Class EG” 1032 ss 210 ss 1242 ssea Wate" 2,$,

ls23$2 ls 303$1

lsMiing l!id 30$2

ls2+$, ls 334$1

ls7eta"de" +1$, gals 4$2 gals ++$1 galsl!id-Loss 51$+ gals 10$5 gals +2$1 gals9ispe"sants 1032 gals 3$4 gals 1105$4

gals” Class EG” 334% ss 334, ss

ea Wate" 30 ls 30 lsMiing l!id 430 ls 430 ls7eta"de" 301$3 gals 301$+

galsl!id Loss 1+$4 gals 1+$5

gals9ispe"sants 1004$4 gals 1004$4

gals

;il /ell #ement is man!fa#t!"ed to F> pe#iH#ation 10 and is

diided into % #lasses (F-I) depending !pon p"ope"ties$ Class G andI a"e asi# /ell #ements /*i#* #an e !sed /it* a##ele"ato"s and"eta"de"s to #oe" a /ide "ange of dept*s and tempe"at!"es$ T*ep"in#ipal die"en#e et/een t*ese t/o #lasses is t*at Class I issigniH#antl #oa"se" t*an G$ T*e #al#!lations fo" total #ement andaddities "e!i"ed in t*e tale aoe is "efe""ing to GMJT-016*o/ee" t*e ol!me #ement #al#!lation is app"oimatel t*e samefo" all p"oposed /ells sin#e all /ells !se simila" *ole se#tion and#asing s*oe dept*$

Fdditional #*emi#als a"e !sed to #ont"ol sl!"" densit6 "*eolog6

and K!id loss6 o" to p"oide mo"e spe#ialied sl!"" p"ope"ties$Fddities modif t*e e*aio" of t*e #ement sl!"" allo/ing #ementpla#ement !nde" a /ide "ange of do/n*ole #onditions$ .ased on t*eaddities !sed fo" t*is Gelama Me"a* /ell6 t*e"e a"e "eta"de"s6 K!id-loss addities and dispe"sants$ 7eta"de"s a"e #*emi#als t*at "ed!#et*e t*i#Bening time of t*e sl!"" to aid #ement pla#ement$ l!id-Lossaddities is a mate"ial /*i#* p"eent sl!"" de*d"ation and "ed!#eK!id loss to t*e fo"mation /*ile dispe"sants a"e #*emi#als6 /*i#*lo/e" t*e is#osit and ma also in#"ease f"ee /ate"$

Cement .ond Log (C.L) is one of t*e tools !sed to eal!ate t*e!alit of t*e #ement and t*e ond et/een t*e #ement and t*e


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#asing$ T*e C.L log p"oides a meas!"e of t*e #ement to #asingond and #annot e !sed to !antif t*e amo!nt of #ement p"esent$

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Proposed Cement Design