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8/18/2019 Coiled Tubing Cleanout Operation
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' '
© 2014 PETROLIAM NASIONAL BERHAD (PETRONAS)
#ll rihts reserve* No +art of this oc,ment may -ere+ro,ce. store in a retrieval system or transmitte in anyform or -y any means (electronic. mechanical. +hotoco+yin.
recorin or otherise) itho,t the +ermission of the co+yrihtoner*
Coiled Tubin S!"le Cle"nou#O$e%"#ion
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' %
• The CT is a contin,o,s lenth of steel or com+osite t,-in that is s,++lies+oole on a lare reel*
• The CT ,nit is com+ose of a reel ith the CT. an in0ector. control console.+oer s,++ly an ell1control stac2*
• CT is ,se for intervention in oil an as ells an sometimes as+ro,ction t,-in in e+lete ells*
Coiled Tubin
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 3
• Steel pipe 1” OD to 3.5” OD
• Yield strengths of 70,000, 80,000, 90,000, 100,000 psi• Relativel thin !all
• "inite life d#e to fatig#e $$les %&ending'
Tubin
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&'
Basic CT unit comprises:
– Injector head – CT reel
– Power pack
– Control cabin
– Pressure control equipment(PCE
B"&i! E'ui$en# P"!"e
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 4
In*e!#o% He"d
• Hyra,lically +oere
co,nter rotatin chains• 5ri++er -loc2s mo,nte in
chain assem-ly
• 6n0ector esination -aseon ma7im,m +,ll
ca+a-ility. e* 3&8 can +,ll3&.&&& +o,ns
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 9
T+$i!"l In*e!#o% He"d
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' :
ost in0ector heas have to sets of o++osin enless chains
• $eries of ri++er -loc2s mo,nte on each chain
• 5ri++in +rofile of each s,its a s+ecific t,-in si
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' =
In*e!#o% He"d C,"in A&&ebl+
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' >
CT Reel
• (sed to store t#&ing• )arge radi#s for &est t#&ing life
• )evel !ind asse*&l to !rap
t#&ing on and off reel
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' '&
Ty+ical reel com+onents? – Reel drum (1)
– Reel drive system (2)
– Levelwind assembly (3)
– Lubrication system (4)
– Depth counter (5)
CT Reel
1
2
3
4
5
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' ''
Hyra,lic Poer Units are the main rivin com+onents of hyra,lic systems*Consistin mainly of a motor. a reservoir an a hyra,lic +,m+. these ,nits
can enerate a tremeno,s amo,nt of +oer to rive most any 2in ofhyra,lic ram*
Po-e% P"!
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' '%
Con#%ol C"bin
Primary control center for the CT
Unit – C instrument ! controls
– "#$ Control
– %onitorin& 'uipment andoperations
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' '3
CT. In%uen#& "nd Con#%ol&
$rimary instruments and controls
ei&ht indicator* circulatin& and wellhead pressures
+econdary instruments and controls
Depth,speed indicator* chain tensioner pressures* strippersystem pressure
+upport instruments and controlsdrive system pressures* "#$ system pressure*
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' '
Consists of to ain Parts• Bloo,t Preventer ($econary PC!)
• $tri++er Pac2er (Primary PC!)
#ccessories
• Hyra,lic @,ic2 latches
• A,-ricator risers
• #a+ter flanes
• Crossovers
• lo tees
• 6n1sit, test s,-s
CT P%e&&u%e Con#%ol E'ui$en#
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' '4
CT BOP
CT P%e&&u%e Con#%ol E'ui$en#
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' '9
CT $tri++er Pac2er (Pac2off)
CT P%e&&u%e Con#%ol E'ui$en#
• -nstalled above "#$ and below-n.ector /ead0
• /ydraulic activation rom
Control Cabin0• orms a dynamic seal around
C as it moves in and out o thewell0
• llows chan&e o pacin&elements without removin& Crom well0
• 'ner&ied by well pressure rombelow0
• dditional paco6 orceprovided by hydraulic pressure0
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' ':
CT BHA
CT 8n,c2le oint
• %inimies Curvature '6ect # C• ssist in travelin& throu&h
do&le&s• +ealed or $ressure Containment• Load Ratin& Comparable o C
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' '=
CT BHA
CT $ivel
• llows rotation to ease mae upproblems
• +ealed or pressure containments• /i&h tensile capability• $orts to lubricate bearin&
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' '>
B"&i! E'ui$en# L"+ou#
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' %&
CT roth has -een riven -y economics. contin,al technoloical avancesan the s,ccessf,l ,tili
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' %'
The avantaes associate ith CT are?
• The a-ility to o+erate on live ells – oes not re@,ire ell to -e 2ille. th,sre,cin ris2 of formation amae*
• F,ic2 mo-ili
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' %%
$cale Control
• 6noranic com+o,n that +reci+itates ,e to loss of sol,-ility
• "e@,ires ater
• Presence of CO% increases chance of scale
• Conitions
1 ormation Eater Nat,rally Pro,ces $cale
1 Com-ination of % 6ncom+ati-le Eaters
• Three classifications 1 Eater $ol,-le – NaCl
1 #ci $ol,-le – e$. CaCO3
1 #ci 6nsol,-le – Ba$O
• "emoval o+tions for #ci 6nsol,-le $cales
1 ettin
1 "otatin 0ettin tool – $lo "otatin et-laster 1 illin
S!"le Reo/"l
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' %3
$cale 6entification
6m+ortant scale sam+les are o-taine ?
• $am+le Bailers
• A6BGs
$im+le la-oratory test can ientify hether the scale is aci sol,-le
so s,ita-le scale removal co,l -e +lanne
S!"le Reo/"l
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' %
S!"le Reo/"l
"eore
ter
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' %4
• Penara1# +latform is ,ner P$C -eteenP!T"ON#$ an $a+,ra 8encana*
• The Penara has a history of scale an a7iss,es* one chane an as lift valvechane (5AIC) o+eration as initiallyintene for the ells at Penara1#*
• Hoever. t,-in clearance o+eration as
,na-le to -e com+lete ,e to o-str,ctionfrom scale/a7*
• Penara is mono+o +latform hich is,nmane have limite ec2 s+ace ancrane ca+acity*
• Hence the CT is one ith assistance ofor2 -are . $a,0ana T,0,h*
C"&e S!en"%ioPen"%" Pl"#o%
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' %9
ell B"!%ound
Item Descriptionell name $enara 71
Location $enara
ield +mall
ell ype #il $roducer
ubin& +ie 3 89 *:02lb,t
%in0 Restriction 20;:
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' %:
CT O$e%"#ion
Aormal CB #peration Catenary CB #peration
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' %=
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' %>
CT E'ui$en#3&
C Reel with'mer&ency Disconnect
C Reel ControlCabin
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 3&
CT E'ui$en#3&
"atch %ier $umpin& Bnit
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 3'
CT E'ui$en#3&
Liuid Aitro&en an Aitro&en Converter
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 3%
CT E'ui$en#3&
oosenec(ubin& rchuide)
-n.ector rame
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 33
CT E'ui$en#3&
Dual C#%"- "#$
+"#$(+lip Ram)
Dual C#%"- "#$
+"#$(+lip Ram)
lowbac Line
$umpin& Line
Dual C#%"- "#$
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 3
CT E'ui$en#3&
E'"L+'R Coveredith a
E'"L+'R terCleanup
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 34
CT BHAItem Description
'ternal Dimple Connector -t is attached to the C end by set screws that en&a&ed perormeddimples which ormed usin& dimplin& tool
C Release +ub essential piece o euipment used or releasin& the C rom thebottom hole assembly i it has become stuc while in the wellbore0
G>over o provide connection between tools with di6erent connection andsies
+horty %/ he %otor /ead ssembly serves as a multi>unction tool0 he%otor /ead ssembly combines the C connector* dual bac
pressure valve* and hydraulic disconnect into one compact tool0Btiliin& this tool in the bottom hole assembly &reatly shortens theoverall len&th o the complete tool strin&0 shorter bottom holeassembly reuires less lubricator* allowin& or a much saer ri& upo the C in.ector head0 he components can also be separatedinto di6erent conH&urations dependin& on speciHc reuirements0
+trai&ht "ar he +trai&ht "ar is oten used to etend very short tool strin&s*such as a simple cleanout or litin& tool strin&0 "y etendin& ashort tool strin& the possibility o standin& up in restrictions will
reduce0 hereore a smoother R-/ will be achieved0
E'"L+'R /i&h>pressure .ettin& service nole
CT BHA
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 39
CT BHA
DimpleConnector
+trai&ht "ar
+horty %/G over
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 3:
CT e#bl"e% He"d
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 3=
CT O$e%"#ion
Operation Time(hrs)+pot * Ri& up and pressure test 12077
+licline to perorm tubin& clearance ;077
%ae C connector and termination sub 2077
%ae up and unction test Eet"L+'R Aole 4077
RunI1>R-/ with Eet"L+'R and perorm +C# 3;077
RunI2>Aitro&en ic o6 27077
Ri& Down ! +id ell 12077
Contin&ency 12077
%iscellaneous 12077
otal /ours 11;
otal Days 40J3
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 3>
10 Conduct saety meetin&0
20 +pot euipment to space availability0
30 Ri& up treatin& lines* C units and conduct unction and pressure test0
40 Ri& up in.ector head onto in.ector .acin& rame0
50 Ri& up crossover onto wellhead* necessary len&th o lubricators to space out between
wellhead and "#$ and a pump>in tee0
;0 $repare hydraulic hoses0
@0 +tart up euipment and run euipment or a ew minutes0
J0 Eac up C control cabin0
:0 unction test in.ector .acin& rame and "#$ rams0
170 $repare in.ector head and &oosenec0
Ri .$
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' '
ob P%o!edu%e10 $icle the C with @05? /CL0
20 Circulate the C with portable water at least twice throu&hout tubin& volume
30 $erorm surace circulation test with varyin& pump rate
40 unction test the E'"L+'R at surace
50 "eore openin& the %aster Malve * pressure up above the valve eual to epectedwell shut in pressure
;0 ter openin& the valve* R-/ C at av&0 27t,min to pass throu&h wellhead stac
@0 -ncrease R-/ speed to av&0 57t,min ater 57 t below wellhead stac0
J0 +top the C 17 m above obstruction(wa,scale) as per +licline Drit Run0
:0 +tart to pump seawater by increasin& the pump rate and try to brea throu&h theobstruction0
170 - no pro&ress* pump mi o acid onto the obstruction and let it soa or at least 2hours0
110 ter soain&* R-/ bac with pumpin& + and attempt brea throu&h theobstruction0
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' %
ob P%o!edu%e110 #nce C have pass throu&h the obstruction *establish circulation by pumpin&
nitriHed uid0
120 ter the C have reached 'nd # ubin&* circulate 17bbls o &el and two bottomsup with seawater or clean returns are observed at surace
E'"L+'R unction
est
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 3
T,"n 5ou
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&'
B"! .$ Slide&
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 4
N2 6i! 10 %ae C "/ as per dia&ram and perorm pressure test
20 #pen %aster and Crown valve
30 ter openin& the valve* R-/ C at av&0 27t,min to pass throu&h wellhead stac
40 -ncrease R-/ speed to av&0 57t,min ater 57 t below wellhead stac0
50 t ;77m start pumpin& the nitro&en0
;0 Returns are monitored at all time ater pumpin& started0
@0 Continue R-/ to :77m * start pumpin& the nitro&en or an hour0
J0 $ump the nitro&en at interval o 377m or an hour i the well is still not owin&0
:0 - hydrocarbon is observed to be owin&* stop pumpin& A2 and monitor well ow0
170 $##/ the C to surace0 #nce at surace secure the well and bleed pressurerom the riser0
T%e"#en# P"%"e#e%&
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 9
T%e"#en# P"%"e#e%&Operating Data
Eob Circulation 3577 psi
ellhead or Choe $ressure 277 psi reatin& luid Data
luid Aame $ure ater
+peciHc ravity 1071
+terlin& "ead Concentration 707wt?
+cale Data
$re>.ob drit 2 2,2 in
+cale 'ccentricity 7 in
$ost Eob Drit 20;3in
+cale Len&th ;21207 t
Aole Data
Aumber o Radial Aoles 2
+ie o Radial Aoles 70125in
+ie o Down Eet Aoles 77:3in
Calculated ool Data
%a llowable Drit Rin& #D 20;JJin
Tubin Pi!le Mi7
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' :
Tubin Pi!le Mi7
Concentrationfor 1000 gal 10 bbls
272 /CL 33? J5 &als
@@4 $ortable ater 325 &als
;5 -ron Control 25 lbs
; Corrosion-nhibitor
3 &als
5 -ron Control 2 lbs
Po-e%CLEAN 8el
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' =
Po-e%CLEAN 8el
Item Material Conc. Unit Total Unit
1 $ortableater
42 &al,bbl 4277 &al
2 E5@2 10@5 lb,bbl 1@5 lb
3 E353(#2scaven&er)
305 lb,bbl 357 lb
4 173 7025 &al,bbl 25 &al
DAD A!id
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' >
DAD A!id
Item Material Conc. Unit Total Unit
1 $ortable ater 427 &pt 1;J &al
2
3
4
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 4&
CT E'ui$en#3&
-n.ector rame
+tripper on Close upRiser
Dual C#%""#$
oosenec
ellhead+tac
+"#$
+tripper
I * # H d P i C #
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 4'
In*e!#o% He"d 9 P%i"%+ Co$onen#&
Primary com+onents/f,nctions
incl,e? – /ydraulic drive,brae system (1)
– Drive chains and tensioners (2)
– oosenec or &uide>arch (3)
– ei&ht indicator sensor (4) – Depth system sensor (5)
– +tripper mount (;)
1
2
3
4
;
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Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 4%
PI!ecommen"ations
T#bing $i%e!a"i#s
(in.) (in.)1&1' to *+
1&1'+ to *+
1&,' *+ to -
+ *+ to-
+&,' -0 to 1+0
+&*' -0 to1+0
,&1'+ - to 1+0
+R -0 50in.
+R -80 108in.
+R -0 7in.
8uide A%!,
Reel S-i/el "nd M"niold
8/18/2019 Coiled Tubing Cleanout Operation
53/54
Presentation Title (acronym) ;Division – Name/OPU/HCU/BU (acronym) ;Name of Presenter ©Petroliam Nasional Berha (P!T"ON#$) %&' 43
Reel S-i/el "nd M"niold
Cable
Coiled tubin&
$ressure
bulhead
C isolationvalve
Reelcollector
Reelale
Eumper cable
Reelswivel
8/18/2019 Coiled Tubing Cleanout Operation
54/54
/#ipment eight
(MT)
2ength
(ft)
i"th
(ft)
3eigh
t (ft)1>1,4< 12N t CReel
11 17 J 17
-n.ector /ead @ 5 3 @
Eacin& rame 4 17 12 17
Control Cabin @ 12 J :
$ower $ac @ J J J
Combi "#$ 1 J 3 5
luid $ump 17 25 ; ;
win "atch %ier ; 22 J 17
$re>mi an 5 21 : :
Liuid Aitro&en an
11 14 J :
CT ei,# : ;oo#$%in#