143246986-IWCF-Principles-Procedures-Test-Paper-Questions-Doc.doc

8/18/2019 143246986-IWCF-Principles-Procedures-Test-Paper-Questions-Doc.doc

1/13

- 0-

PRINCIPLES & PROCEDURES TEST PAPER

TO OBTAIN PERCENTAGE-

MARKS SCORED ÷ MAX. POSSIBLE SCORE x 100

Surface Supervisors - Max. possible score = 193

Surface Drillers - Max. possible score = 182

Surface Supervisors - Max. possible score = 203

Surface Drillers - Max. possible score = 192

=100.

xScore Max

%



2/13

- 1-

17) If losses occur, ho far !heore!icall" coul# !he flui# level #rop before !he ell is

u$#er bala$ce# &he overbala$ce is 2'0psi. &he (u# ei)h! is 12.'pp).

feet P!"#t$

1%) &here are a $u(ber of earl" si)$s !ha! (a" i$#ica!e !ha! for(a!io$ pressure is

i$creasi$). *is! belo four of !hese i$#ica!ors.+1

+2

+3

+' P!"#t$

1') uivale$! /ircula!i$) De$si!" is a #o$ hole pressure !ha! ca$ be affec!e# b"

hich of !he folloi$) fac!ors

+a ole #ep!h+b Mu# ei)h!

+c Sie of #rill pipe

+# Sie of hole

+e ll of !he above ill affec! !he ./.D.

+f is !he o$l" fac!or !ha! ill affec! !he ./.D. ( P!"#t$

0) If !he (u# bei$) #isplace# he$ !rippi$) i$ is co$si#erabl" less !ha$ !he !rip

shee! sche#ule. &he$4+a $ i$flux is be)i$$i$) !o (i)ra!e.

+b *osses are occurri$).+c &he ell is floi$).

+# Shu! !he ell i$ a$# assess !he recor#e# pressures ( P!"#t$



3/13

- 2-

1) 5ic6s !ha! occur hils! #rilli$) fro( hi)h per(eable for(a!io$s ill usuall" be

#e!ec!e#, b"4 +Selec! 2 a$sers+a cha$)e i$ !he ra!e of pe$e!ra!io$

+b re#uc!io$ i$ ro!ar" !orue

+c $ i$crease i$ pi! level+# si)$ifica$! i$crease i$ pu(p pressure P!"#t$

) I$ or#er !o (i$i(ie ell-co$!rol proble(s hile !rippi$) i! oul# be )oo# prac!ice !o4 +Selec! 2 a$sers

+a $sure all .7.. co(po$e$!s have bee$ !es!e# a! leas! o$ce a ee6

+b se a (u# ei)h! !ha! exer!s a! leas! 200 !o '00psi overbala$ce.+c $sure !he hole is 6ep! full of (u# hile !rippi$)

+# Mo$i!or !he (u# re!ur$s +:olu(e hile !rippi$) i$

+e $sure !he hole !a6es !he correc! a(ou$! of (u# hile, !rippi$) ou!. P!"#t$

() #evia!e# ell has a M.D. of 1';00f! +&.:.D. 9000 f! &he ell is shu! i$ o$ a6ic6 !ha! occurre# hils! #rilli$). &he s!abilie# shu!-i$ pressures are

SID = '


4/13

- 3-

) *OR SUPER+ISORS ONL,

?efer !o !he Da!a shee!.If !he 12.'pp) (u# )ives a$ overbala$ce of 2'0psi. he$ !rippi$) ou!, ha! is

!he (axi(u( volu(e !ha! coul# be sabbe# i$ belo !he bi! before losi$) !he

overbala$ce ssu(e !he i$flux )ra#ie$! is.0.12psi@f!.

//e$ ( P!"#t$

) ha! (u# ei)h! oul# be reuire# !o bala$ce a for(a!io$ pressure of

A98Apsi a! 12000 fee!

223 ( P!"#t$

7) 5ic6s are $or(all" circula!e# ou! of a ell i!h a slo pu(p spee#. *is! belofour reaso$s for. &his.

+1+2

+3

+'

( P!"#t$

%) o of!e$ i$ a shif! shoul# Slo /ircula!i$) ?a!es be !a6e$ *is! four exa(ple.

+1

+2

+3

+' P!"#t$

') ac6)rou$# )as is a$ i$#ica!io$ !ha!4+a &he ell is u$#er bala$ce# a$# shoul# be shu!-i$

+b &he for(a!io$s bei$) #rille# co$!ai$ )as

+c &he (u# ei)h! shoul# be i$crease# !o preve$! fur!her proble(s

( P!"#t$



5/13

- '-

(0) hile recor#i$) slo circula!io$ ra!e pressures !he )au)es use# oul# be4

+a &he #rill pipe )au)e o$ !he #rilli$) co$sole+b &he #rill pipe )au)e o$ !he cho6e pa$el

+c &he #rill pipe )au)e o$ !he s!a$#pipe (a$ifol#

+# &he )au)e o$ !he cho6e (a$ifol# ( P!"#t$

(1) 5il1 spee# ill be selec!e# base# o$ hich of !he folloi$)+a &he collapse pressure of !he casi$)

+b &he !o!al (u# volu(e of !he ell bore

+c &he capaci!" of !hB19BrC


6/13

- ;-

() ?efer !o !he Da!a shee!.If a *ea6 7ff &es! as carrie# ou! he$ usi$) a 10.3pp) (u#, a$# !he applie#,

surface pressure !ha! lea6-off occurre# a! as 1;80psi.

+a ha! is !he Gor(a!io$ brea6#o$ pressure a! !he Shoe

2$" ( P!"#t$

+b ha! is !he Maxi(u( Mu# ei)h! !ha! ca$ be use# i!hou! i$curri$)

losses

2$" ( P!"#t$

+c ha! is !he MAASP i!h !he curre$! (u#

2$" ( P!"#t$

() ?eferri$) !o !he ues!io$ above, if !he curre$! (u# ei)h! as i$crease#

!hrou)hou! !he s"s!e(. oul# MAASP4+a I$crease

+b Decrease

+c MS $ever cha$)es.

P!"#t$

() MAASP shoul# be recalcula!e#4+a ach shif!.

+b ver" ;00 fee! #rille#.+c ver" Mu# ei)h! cha$)e.+# he$ i$ a !ra$si!io$ o$e.

+e ll of !he above.

( P!"#t$

(7) MS, +!he value calcula!e# is o$l" releva$!. I$ !he ope$ hole sec!io$.

+ssu(e !he i$flux is )as

&? or G*S P!"#t$



7/13

-


8/13

- A-

) /o$$ec!io$ as or a$ I$crease i$ co$$ec!io$ )as levels i$#ica!e4

+a &ha! for(a!io$ pressures are i$creasi$).+b &ha! for(a!io$ pressures are re#uci$).

+c &ha! bo!!o( hole pressure is i$creasi$)

P!"#t$

() 7$ a Surface i$s!alla!io$ hile #rilli$), if !he ell flos, i$#ica!e !he seue$ce

of eve$!s i$ or#er of priori!" i$ !he boxes belo, fro( !he choice of s!a!e(e$!s+a !o +).

+a i!h !he re(o!e cho6e ope$. ull up a$# space-ou! #rill s!ri$)

+b i!h !he re(o!e cho6e close#, pull up a$# space-ou! #rill s!ri$)

+c /lose !he cho6e+# /lose !he preve$!er

+e 7pe$ !he /? valve

+f /lose !he (a$ual /?

+) S!op !he u(ps 1 2 3 ' ;

Sof! Shu! -I$

ar# Shu! -I$ P!"#t$

) hich of !he folloi$) fac!ors ill affec! !he shu!-i$ #rill pipe pressure he$ a

ver!ical ell is shu!-i$ i!h !he pi! $ear bo!!o(

+a &he a$$ular capaci!" arou$# !he collars or pipe.+b &he :olu(e of !he 5ic6 flui#.

+c &he !"pe of 5ic6 flui#.

+# &he for(a!io$ pressure+e ll of !he bove

P!"#t$



9/13

- 8-

) hich of !he folloi$) fac!ors ill affec! !he shu!-i$ /asi$) pressureC he$ a

ell is shu!-i$ i!h !he bi! $ear bo!!o(C+a &he a$$ular capaci!" arou$# !he collars a$# pipe.

+b &he volu(e of !he 5ic6 flui#.

+c &he !"pe of 5ic6 flui#.+# &he for(a!io$ pressure.

+e ll. of !he above.

( P!"#t$

) i!h !he ell shu!-i$, pressures (us! be observe# a$# recor#e#. &he )au)es

!ha! shoul# be use# are !hose o$4

+a &he #rillerCs co$sole.+b &he cho6e (a$ifol#.

+c C&he /ho6e pa$el.

+# &he 7 pa$el.

P!"#t$

7) i!h !he ell shu!-i$, #rill-pipe a$# casi$) pressures !oo6 approxi(a!el"' (i$u!es !o s!abilie. oul# !he for(a!io$ !ha! as #eple!i$) be #escribe# as4

+a )oo# er(eable for(a!io$

+b poor per(eable for(a!io$.+c $ i(per(eable for(a!io$.

P!"#t$

%) I$i!ial /ircula!i$) ressure is !he !er( use# !o #escribe4+a &he cho6e pressure he$ !he pu(p has reache# 5ill ra!e.

+b &he #ril1 pipe pressure he$ !he pu(p has reache# 6ill ra!e.

+c &he #rill pipe pressure he$ 6ill (u# is a! !he i!.

P!"#t$



10/13

- 9-

') If !he ell is shu!-i$ i!h a floa! i$ !he s!ri$), shu!-i$ #rill pipe pressure ca$ be

#e!er(i$e# b"4+a ri$)i$) !he pu(p up !o 6ill ra!e hile (ai$!ai$i$) #rill pipe pressure.

+b u(pi$) slol" i$!o !he #rill pipe u$!il !he #rill pipe pressure s!abilies

P!"#t$

0) ssu(e !ha! !he ell is shu!-i$ a$# !he s!abilie# shu!-i$ pressures are ;00psi

!he Drill pipe +SID a$# A00psi o$ !he casi$) +SICP. ha! K" M56 isreuire# !o bala$ce !hese pressures

223 P!"#t$



11/13

- 10-

1) If !he I#f5x volu(e is 11 barrels a$# assu(i$) i! is arou$# !he #rill collars

he$ !he ell is shu!-i$. Is !he i$flux4+a as

+b 7il

+c a!er

( P!"#t$

) If af!er 3; (i$u!es fro( shu!!i$), !he ell i$, !he s!abilie# pressures i$

ues!io$ ;0 bo!h i$crease# b" 22;psi .o far has !he bo!!o( of !he i$flux(i)ra!e#

*t. P!"#t$

() *OR SUPER+ISORS ONL,

o (uch (u# oul# have !o be ble# off fro( !he a$$ulus !o bri$) #rill pipe

pressure bac6 !o ;00psi

$ P!"#t$

) i!h #rill pipe pressure a! ;00psi ha! ICP a$# *CP if !he 6ill ra!e is 30SM

+a ICP

P!"#t$

+b *CP

P!"#t$

) se "our pre-fille# 6ic6 shee!s !o a$ser !he folloi$) ues!io$s4

+a o (a$" s!ro6es are reuire# !o pu(p fro( surface !o bi!

St/!e$ P!"#t$

+b o (a$" s!ro6es are reuire# !o pu(p fro( !he bi! !o !he casi$) shoe

St/!e$ P!"#t$

+c o lo$) ill i! !a6e !o pu(p fro( !he bi! !o surface

8/$9:"# P!"#t$



12/13

- 11-

+# ha! is !he volu(e of (u# fro( !he casi$) shoe !o surface

$ P!"#t$

+e ha! is !he psi@s!ro6e re#uc!io$ fro( ICP !o *CP

P$"9$t P!"#t$

+f ha! is !he MS i!h 6ill (u# a! surface

2$" ( P!"#t$

) &he 6ill opera!io$ is res!ar!e# b" hol#i$) a co$s!a$! casi$) pressure as !he pu(pis brou)h! up !o 30 SM. 1000 s!ro6es of 6ill (u# has bee$ pu(pe#. ha! is

!he (i$i(u( pressure !ha! shoul# be see$ o$ !he #rill pipe )au)e a! !his s!a)e

2$" ( P!"#t$

7) *OLLO;ING


13/13

- 12-

') Gi$al /ircula!i$) ressure is bei$) hel# co$s!a$! o$ !he #rill-pipe )au)e. &he

pu(p is ru$$i$) a! 30 SM. 2;00 s!ro6es of 6ill (u# have bee$ pu(pe#. s(all i!-)ai$ has bee$ $o!e# a! !he (u# pi!s. ha! is happe$i$) !o !he pressure

a! !he !op of !he i$flux

+a I! shoul# be i$creasi$).+b I! shoul# be #ecreasi$).

+c I! shoul# be s!a"i$) rou)hl" !he sa(e.

P!"#t$

0) f!er pu(pi$) 3;00 s!ro6es a lea6 occurs o$ !he #ischar)e si#e of !he pu(p.

&he pu(p spee# has bee$ 6ep! co$s!a$! a! 30 SM. &he cho6e has $o! bee$

a#Jus!e#.ill bo!!o( hole pressure be4

+a I$creasi$)

+b Decreasi$)

+c $affec!e#. P!"#t$

1) ?eferri$) !o !he ues!io$ above, if i$s!ea# of shu!!i$) !he ell i$ a$# repairi$)

!he pu(p, !he pu(p spee# as i$crease# !o bri$) #rill pipe pressure bac6 up !o

fi$al circula!i$) pressure, oul# bo!!o( hole pressure be4+a /o$s!a$!l" re#uci$).

+b S!a"i$) rou)hl" !he sa(e.

+c /o$s!a$!l" i$creasi$).

P!"#t$

) i!h 5ill (u# a! surface, ha! is !he MS.

2$" ( P!"#t$


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143246986-IWCF-Principles-Procedures-Test-Paper-Questions-Doc.doc