Coiled Tubing Cleanout Operation

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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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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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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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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CT BOP



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CT $tri++er Pac2er (Pac2off)


• -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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S!"le Reo/"l

"eore

ter


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• 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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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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CT E'ui$en#3&

Dual C#%"- "#$

+"#$(+lip Ram)

Dual C#%"- "#$

+"#$(+lip Ram)

lowbac Line

$umpin& Line

Dual C#%"- "#$


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CT E'ui$en#3&

E'"L+'R Coveredith a

E'"L+'R terCleanup


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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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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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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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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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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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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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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


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Reel S-i/el "nd M"niold

Cable

Coiled tubin&

$ressure

bulhead

C isolationvalve

Reelcollector

Reelale

Eumper cable

Reelswivel


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/#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#

Coiled Tubing Cleanout Operation

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