Reaming With Casing and Rotating While Cementing

8/9/2019 Reaming With Casing and Rotating While Cementing

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Reaming With Casing and Rotating While Cementing

Vasan jayakumar AMET University

Chennai - 603112, IndiaE-mail: vasanjayak mar!h"tmail#$"m , M"%: &'&02&6(&2

ABSTRACT

) rin* Cementin* "+erati"ns, r"tatin* and re$i+r"$atin* meth"ds +lays maj"r r"le in Casin* system# The

"nly %arrier t" im+lementin* this te$hn"l"*y as a +art " standard drillin* +ra$ti$es has %een the will to do it . /smith 1& 2

and t""ls that make it inherently sim+ly t" d" s"# Casin*, "n$e landed hi$h $ann"t %e m"ved +ri"r t" $ementin*, is a

+"sitive indi$ati"n that s"methin* is r"n*# ten, n"t m $h $an %e d"ne at this +"int "ther t" $ement the $asin* in +la$e4

h" ever, the $han$es " a s $$ess l $ement j"% are diminished %e "re even mi5in* the sl rry#

The se " a sin*le %all la n$her and $ement +l * $" +led ith a m"dern $asin* r nnin* t""l all" s the

$asin* strin* t" %e r n, ashed, reamed, and $emented as +art " a seamless "+erati"n# This adds the %ene it " " *ettin*

$asin* t" %"tt"m des+ite di i$ lt "rmati"ns, and the a%ility t" transiti"n immediately t" $ementin* "+erati"ns hile

retainin* the a%ility t" r"tate and re$i+r"$ate# The $"nventi"nal t""ls sed t" $ement $asin* in$l de l"n* %ails atta$hed t" the

t"+ drive, $"nventi"nal $asin* elevat"rs, and a standard $ement head# These t""ls ail t" all" r"tati"n d rin* $ementati"n#

The ri**in* + " this e i+ment is time $"ns min* and leaves the +i+e m"ti"nless "n %"tt"m at the time y" " ld least

ant the +i+e t" %e stati$#

) rin* Cementati"n, 7i+e m"vement has re$ently %e$"me a sim+le "+erati"n "r any "+erat"r t" in$l de in a drillin* +r"*ram: there is minimal $"st and +lannin* re ired# A $ement +l * is atta$hed t" the %"tt"m " the +r"+rietary Casin*

)rive system TM /C)8 TM and a side entry s ivel s % is in$l ded %et een the C)8 and the t"+ drive# A %all la n$her, als"

+r"vided, is ri**ed + in line ith the $hi$ks an lines r nnin* r"m the $ementin* + m+ tr $k t" the side entry s ivel s %#

The s"l ti"n all" s the "+erat"r t" *" dire$tly t" $ementin* a ter the $asin* has %een r n# It als" ena%les the r"tati"n and

re$i+r"$ati"n " the +i+e d rin* $ementati"n hi$h +revents $hannelin* " $ement and leads t" a n"ta%ly s +eri"r $ement

j"% as +r"ven %y $ement %"nd l"*s# Usin* a hy%rid $ementin* t""l ith a m"dern $asin* r nnin* system all" s ells t" %e

en*ineered m"re a**ressively, th s the ens re $asin* $an %e r n t" %"tt"m in di i$ lt "rmati"ns and * arantee an im+r"ved

$ement j"%# In t rn, this +r"vides *reater +r"d $ti"n and ret rns "r the "+erat"r#

C)8 is a trademark " TE8C C"r+"rati"n#

Key words : Casing Driving System (CDS), Ball launcher, Cement head, Conventional casing elevators.

INTRODUCTION

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mailto:[email protected]:[email protected]:[email protected]


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9ith drillin* $"sts in$reasin*, "+erat"r s attenti"n is n" "$ sed "n eliminatin* ;7T /;"n-7r"d $tive Time # Ea$h

year s"me "+erati"ns that ere $"nsidered +r"d $tive and av"ida%le in the +ast are %ein* $"nsidered ;7T# The m"dern vie

" the ind stry re le$ts drillin* as a $"ntin " s +r"$ess, ith m $h e "rt s+ent t" red $e the asted time at "+erati"nal

inter a$es s $h as the "ne %et een r nnin* $asin* and $ementin*#


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CD &'( >0. 12. > ?. 1>0l%s# '(0l%s#

CD )*( (0. 1(. > ?. 3(0l%s# 1300l%s#

CD**(RC >6. 2 . &. (00l%s# 2 00l%s#

CD&(((RC '2. 2 . 13. 1000l%s# > 00l%s#

+igure &, - Size chart

Cement .ualit/ 0aluation

The ind stry has l"n* sin$e kn" n that +i+e m"vement res lts in a s +eri"r $ement j"%# Atta$hed are $ement %"nd

l"*s r"m an "+erat"r that ad"+ted this te$hn"l"*y# There are l"*s " %"th verti$al and h"ri="ntal ell%"res# set ells are

$h"sen s $h that the "nly varia%le as +i+e m"vement as la%eled a$$"rdin*ly# The $ement %"nd as n"ta%ly %etter "n %"th

verti$al and h"ri="ntal h"le se$ti"ns in hi$h the $asin* as re$i+r"$ated and r"tated#


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An"ther iss e is $asin* " -$entre in the ann l s: this $reates a narr" and ide +assa*e "r the $ement# M"re

$ement leads t" l" thr" *h the ide side and i the $asin* is n"t r"tated and re$i+r"$ated the $ement t"+s ill %e di erent

%et een the narr" side and the ide side /M"r"ni, et al#, 200& #

Implementation

T" im+lement this te$hn"l"*y " r nnin* and reamin* $asin*, the ri* m st have a t"+ drive# The t"+ drive $an %e "

any make# Als", there m st %e en" *h $lear "rkin* hei*ht in the mast t" a$$"mm"date the len*th " the C)8,

a++r"5imately 10 eet# A +" er nit is ri**ed +, and hydra li$ lines are r n thr" *h the servi$e l""+ t" +" er the C)8#


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The driller e5tends the C)8 sin*le j"int links and elevat"rs "ver the $asin* j"int in the D-d""r, l" ers them, and the

l""r men lat$h the sin*le j"int elevat"rs "n the $asin*# / ? in# F 20 in#

&5

8 in# F 20 in#

Ben*th 10 t 10 t 1& tMa5im m T"r e >0,000 tGl%s >0,000 tGl%s 0,000 tGl%s

Ma5im m )rillin* l id

7ress re

(,000 +si (,000 +si (,000 +si

Ma5im m +eratin* 8+eed 200 r+m 200 r+m 100 r+mMa5im m 7 sh )" n

Ca+a$ity

2(,000 l%s 2(,000 l%s 2(,000 l%s

+eatures and Bene3its

Is i$kly installed "n virt ally any T"+ )rive system, ele$tri$ "r hydra li$, ith ty+i$ally n" m"di i$ati"ns t" any

e5istin* drillin* e i+ment# Hreatly red $es the am" nt " e i+ment and +ers"nnel re ired t" r n $asin*, +r"vides a hi*h level "

me$hani=ati"n kee+in* +ers"nnel " t " the line " ire and +la$es the Casin* < nnin* "+erati"n nder the $"ntr"l "

the )riller# Ass res the a%ility t" *et $asin* t" %"tt"m thr" *h a%ility t" sim ltane" sly l" er $asin*, hile r"tatin* and

$ir$ latin*#


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The C)8 eliminates $ m%ers"me +rimary and %a$k + $"nventi"nal $asin* r nnin* e i+ment s $h as lar*e $asin*

elevat"rs, +" er t"n*s, elevated "rk +lat "rms and $asin* ill- + t""ls# It eliminates the sta%%er in the derri$k, a hi*h-risk

+"siti"n, and $"nventi"nal $asin* r nnin* e i+ment ith m"vin* +arts, +in$h +"ints and hi*h tensi"n $a%les# Tem+"rary

"rk +lat "rms "n the ri* l""r "r +" er t"n* $re s are eliminated# It all" s "r a $leaner ri* l""r ith hands a$t ally

handlin* the $asin*# verall, e er "rkers are ar" nd the ri* l""r, and n"ne are in the derri$k, red $in* "verall e5+"s re

t" +"tential a$$idents# Additi"nally, a t"mati"n sin* $"m+lementary t""ls $an eliminate all +ers"nnel $"nta$t ith $asin*#l""r sa ety is enhan$ed d e t" the C)8 internal "r e5ternal *ri++in* systems ith a valve in all mandrels# The valve

+revents m d in the t"+ drive and the elly h"se r"m allin* "nt" the ri* l""r d rin* $asin*-r nnin* "+erati"ns4 this

+r"vides a sa er "rk envir"nment %y +reventin* m d r"m dr"++in* t" the ri* l""r and "nt" "+erati"ns +ers"nnel# 9hile

r nnin* $asin* ith C)8 "n t $"m+letely eliminate a$$idents "n a drillin* ri*, it $an eliminate the +"tential "r a$$idents

in the t " a$$ident-+r"ne areas here m"st inj ries and atalities "$$ r- the derri$k and the ri* l""r#

R SU#TS AND DISCUSSIONS

The Casin* )rivin* 8ystem "rks ith a t"+ drive t" easily attain sm""th make + ith n" tendin* l"ad and ith

+re$ise $"ntr"l "n inal t"r e# n$e the $"nne$ti"n is made +, $ir$ lati"n $an %e initiated, and the C)8 may mani+ late

the entire strin* " $asin*# 9hen sed ith a sli+Gs+ider assem%ly, the C)8 interl"$k eliminates the $han$e " dr"++in* the

strin* in the ell%"re %y +reventin* the C)8 r"m releasin* the +i+e ntil the sli+s are set# 3,>20 s are in$h#

2# Casin* ei*ht K ei*ht in ++ 5 t"tal len*th " $asin*

Casin* ei*ht K >0 5 3200 K 12 ,000 l%

3# 8hear "r$e is re ired t" s ++"rt h"le ei*ht " $asin*

8hear stren*th /l%Gs are in$h K Casin* ei*ht L Area " $asin* $"vered %y $ement8hear stren*th /+si K 12 ,000 &>3,>20 K 0#136 +si

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9e $an estimate the $"m+ressive stren*th " $ement %ased "n 1 ? i* re8hear 8tren*th C"m+ressive 8tren*th K 1G12C"m+ressive stren*th K 12 5 0#136 K 1#63 +si#

CONC#USIONS

Usin* the C)8 *ets $asin* t" T) ith a si*ni i$antly hi*her rate " s $$ess than $"nventi"nal $asin* r nnin* t""ls in di i$ ltell %"res# 9hen $"m%ined ith the %all la n$her and $ement +l *, ;7T is rther red $ed %y makin* the transiti"n r"m

$asin* r nnin* t" $ementin* m $h m"re e i$ient# 9hen the $ementin* t""ls are em+l"yed, $asin* $an %e r"tated and

re$i+r"$ated, res ltin* in a s +eri"r $ement %"nd as dem"nstrated %y the $ement %"nd l"*s# inally, sa ety is enhan$ed %y

red $in* +ers"nnel "n the ri* and eliminatin* $"nventi"nal $asin* r nnin* meth"ds hi$h are inherently dan*er" s#

Casin* < nnin* and


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Reaming With Casing and Rotating While Cementing

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