Training Report Down Hole

TRAINING REPORT For summer training with WELL SERVICES secon At own ho!e "ac#er $ Fishing secon% &a!o!% Sai'

Ahme(a)a( Asset

Su)mi*e( )+, T-A-&ar#./01T/2/345 4T6 sem stu(ent 1-Tech Petro!eum techno!og+ Schoo! o7 Petro!eum Techno!og+% PP8

CERTIFICATE

OIL AND NATURAL GAS CORPORATION LIMITED WELL SERVICES, AHMEDABAD ASSET This is to cerfy that Mr.T. A. Kartk, student Kartk, student of B.Tech Peroleum Technology  ,  from Pandi Deendayal Peroleum Universiy, Gandhinagar   , has successfully  successfully  completed training completed  training in ‘ Packer Packer and ireline secton’ secton’ and ‘  !ishing  !ishing secton", ell  #ervices,  Ahmedabad Asset, Asset, $%G&  from  from 1st  June to 16th July 2011

Sh- N- R- Chow(hur+

Sri 1- Seshagiri

Chie7 Engineer.Pro(5

Chie7 Engineer.Pro(5

.Training co9or(inator5

Sh- &o!an'inathan &o!an'in athan

Sh- :-C-Tri"athi :-C-Tri"athi

Su"erinten(ing En Engineer.Pro(5

Su"erinten(ing En Engineer.Pro(-5

.Training gui(e5

.Training gui(e5

Sh- 6- ;anoharan   G;.P59L;9WCT  .6ea( own 6o!e Secon5

24th :u!+-$2 :ceme!%0o #s % m(s! fo" !he mech%#c%l s!%)#l#!y of c%s#$2 So h%!.s !he "eme'y #f % c%s#$ h%s +oo", #homo$eeo(s ceme!%0o Th#s +"o)lem #s sol&e' (s#$ % ceme! "e!%#e", s#ce e0"e &ol(me ceme! s*(ee6e #s #m+"%c0c%l # s(ch c%ses2 Ceme! "e!%#e" "esem)les % )"#'$e +l($ e/!e"%lly, )(! #! h%s % co'(#! #s#'e h#ch o+es (+ he !he s!"#$e" s!%)s #%"'s2 I!.s (seF: Holes %"e '"#lle' %)o&e %' )elo +oo"ly ceme!e' 6oe %' ceme! #s +(m+e'2 I! mo&es o(! of !he "e!%#e" %' )h !he c%s#$ !h"o($h !hese holes %' "e#fo"ces e/#s0$ ceme!2 ;o#$ !he ceme! "#se le$!h )eh#' c%s#$, oe c% c%lc(l%!e !he e/%c! &ol(me of ceme! !o )e +(m+e'2 :!he +%c-#$ eleme! # % +%c-e" #s m%'e of N#!"#le "())e"2 The +%c-#$ eleme! h%s !h"ee sec0os, ? lo$ oes %' % sho"!e" m#''le oe2 Hoe&e" (+o se$, oly !he ce!"%l eleme! %c0&ely se%ls !he %(l(s )y +"ess#$ %$%#s! c%s#$, !he o!he" !o oly s(++o"! #! sl#$h!ly2 To hol' !he +%c-e" 7"mly # +os#0o, #! h%s '#e sl#+s, )(o hol'e"s, o" o!he" mech%#sm #!h h#ch !o )#!e !he c%s#$2 B(! h%! o(l' h%++e #f !he +%c-e" 1(s! c%.! )e hel' # +l%ce %'

so "ef(ses !o se! I ells #!h e/!"emely %/y c"('es !h#s 'oes h%++e some0mes, e."e !ol'2 So oe h%s !o sc"%+e !he c%s#$ %' +"ocee'2 :Some!h#$ %)o(! !he s()s("f%ceF !he ;%lol fo"m%0o ells %"e ('e" sol(0o $%s '"#&e mech%#sm, !he ;%lol +%y6oe:@ +"o'(ces oly $%sJ !he shF :s#$les o" !()#$ s!(c- '("#$ )%c-:o o+e"%0os :s0c-#$ of '"#lls!"#$ '(e !o fo"m%0o #!e"%c0o o" 'o$le$s, c"e%0o of -ey se%! e!c

:!#s! os of '"#ll +#+e sec0os o" '"#ll coll%"s :1(- "e!"#e&%l #&ol&#$ m#scell%eo(s fo"e#$ o)1ec!s 4)e%"#$s, !ool +%"!s5

Pro7essiona! 'u(gement an( resource a!!ocaon in >shing Dec#s#os "e$%"'#$ 7sh#$ ee' !o !%-e #!o %cco(! % my"#%' of f%c!o"s2 Be #! # !he o#l 7el' o" elsehe"e #!s )ee7! %' comme"c#%l fe%s#)#l#!y !h%! m%e"s2 So )efo"e oe 'ec#'es !o $o fo" !he 7sh, %! le%s! !hese #ss(es m(s! )e +o'e"e' (+oF >2 The #fo"m%0o e h%&e %)o(! !he !y+e, &%l(e # !e"ms of (0l#!y o" cos!, '#mes#os, sh%+e, o"#e!%0o, mo)#l#!y %' co'#0o of !he 7sh2 ?2 P"o)lem #!h le%&#$ !he 7sh (%e'e', #2e he!he" #! c% h%m+e" "e$(l%" +"o'(c0o#1ec0o +"ocess o" +ose e&e mo"e se&e"e !h"e%!s2 @2 Cos! #&ol&e' # +e"fo"m#$ 7sh#$ o+e"%0o #cl(s#&e of m% +oe", "#$ cos!s, e*(#+me! %' ee"$y cos!s, loss of +"o'(c0o #c(""e'2 2 Cos!s #&ol&e' # )%c-#$ o, +l($$#$ %' s#'e!"%c-#$ !he 7sh # %)sece of o!he" %l!e"%0&es2 The +"o$"ess of !he 7sh#$ o+e"%0o %' !he +"o)%)#l#!y of #!s %ccom+l#shme! #!h# !he %lloe' 0me f"%me o(l' 'e!e"m#e he!he" #! %"%c!s f("!he" #&es!me! of "eso("ces %' 0me o" #s %)%'oe' m#'%y fo" %! of )ee" o+0os2

Fishing Too!s These %"e $ee"%lly cl%ss#7e' %sF I!e"%l c%!ch#$ 7sh#$ !ools E/!e"%l c%!ch#$ 7sh#$ !ools 2 To+ s() ?2 Bol @2 G(#'e No !he#" 'e!%#le' 'esc"#+0o TOP S81 The !o+ s() #s !he (++e"mos! com+oe! of !he %ssem)ly2 I! #s e*(#++e' #!h % )o/ coec0o, !o %ss("e +"o+e" m%-e:(+ #!h !he 7sh#$ s!"#$2 1OWL The )ol #s !he m%# o"-#$ com+oe! of !he o&e"sho!2 The (++e" e' of !he )ol #s !h"e%'e' fo" %ssem)ly #!h !he !o+ s()2 The loe" e' #s !h"e%'e' fo" %ssem)ly #!h !he s!%'%"' $(#'e2 A hel#/:sh%+e' co7$("%0o #s#'e !he o&e"sho! )ol +"o&#'es % !%+e"e' s+#"%l s("f%ce o h#ch !he $"%++le #ll )e %ssem)le'2 Oce !he $"%++le h%s e$%$e' !he 7sh, % (+%"' s!"%# #ll c%(se !he $"%++le !o )e com+"esse' )y !he mo&eme! of !he m%!ch#$ !%+e"s2 The $"e%!e" !he +(ll, !he s!"o$e" !he $"#+2 The s!"%# #s e&ely '#s!"#)(!e' o&e" !he e0"e o"-#$ s("f%ce of !he )ol %' !he $"%++le2 Th#s m##m#6es %y +oss#)le '%m%$e !o !he )ol o" !he 7sh2 The )ol of !he o&e"sho! #s 'es#$e' #!h hel#c%lly !%+e"e' s+#"%l sec0o # #!s '#%me!e"2 The $"#++#$ mem)e" 4S+#"%l G"%++le o" B%s-e! G"%++le5, #s 7e' #!o

!h#s sec0o2 he % (+%"' +(ll #s e/e"!e' %$%#s! % 7sh, % e/+%s#o s!"%# #s s+"e%' e&ely o&e" % lo$ sec0o of !he 7sh2 No '%m%$e o" '#s!o"0o "es(l!s !o e#!he" !he 7sh o" !he o&e"sho!2 Th#s 'es#$ +e"m#!s % f%" s!"o$e" !ool #!h m% sm%lle" o(!s#'e '#%me!e" !h% #s +oss#)le #!h % o&e"sho! !h%! em+loys % s#$le !%+e"e' sec0o h#ch s(++o"!s sl#+s2 STANAR G8IE The s!%'%"' $(#'e #s !he loe"mos! com+oe! of !he %ssem)ly2 I! $(#'es !he 7sh #!o !he o&e"sho!, %llo#$ !he #!e"%l $"#++#$ mech%#sm !o +"o+e"ly e$%$e %' $"#+ !he 7sh2 The $(#'e %lso +"oh#)#!s !he e!"y of % 7sh !h%! e/cee's !he m%/#m(m c%!ch of !he o&e"sho!2 Th#s m##m#6es %y +oss#)le '%m%$e !o !he o&e"sho! %ssem)ly2

Gra""!es, !he l#fe )loo' of !he o&e"sho! SPIRAL GRAPPLE A s+#"%l $"%++le #s fo"me' %s % le h%' hel#/ #!h % !%+e"e' e/!e"#o" !o cofo"m !o !he hel#c%lly !%+e"e' sec0o # !he )ol2 I!s #!e"#o" #s #c-e"e' fo" e$%$eme! #!h !he 7sh2 1as#et Gra""!e A )%s-e! $"%++le #s % e/+%s#)le cyl#'e" #!h % !%+e"e' e/!e"#o" !o cofo"m !o !he hel#c%lly !%+e"e' sec0o # !he )ol2 I!s #!e"#o" #s #c-e"e' fo" e$%$eme! #!h !he 7sh2

4O&e"sho!s

'"esse' #!h )%s-e! %' s+#"%l $"%++les

"es+ec0&ely5

GRAPPLES ;O8S OPERANI,The mo&eme!s of !he $"%++le %"e $o&e"e' )y @ f%c!o"s #2e, 7"s!ly !he G"%++le #s % le h%' hel#/J !he loe" e' of !he G"%++le #s %cho"e' # !he O&e"sho! BolJ !he #s#'e '#%me!e" of !he G"%++le #s sm%lle" !h% !he o(!s#'e '#%me!e" of !he 7sh2 Whe !he o&e"sho! #s "o!%!e' !o !he "#$h! %' loe"e' o&e" !he 7sh, !he '"%$ of  !he 7sh %$%#s! !he G"%++le c%(ses !he G"%++le !o (#' %' e/+%' s(c#e!ly !o %llo !he 7sh !o e!e"2 Whe !he o&e"sho! #s "o!%!e' !o !he "#$h! %' #!h'"% f"om !he 7sh, !he '"%$ of !he 7sh %$%#s! !he G"%++le c%(ses !he G"%++le !o (#' %' e/+%' s(c#e!ly !o %llo !he o&e"sho! !o )e #!h'"%2

Gra""!e Contro!s G"%++le co!"ols !"%sm#! !o"*(e f"om !he o&e"sho! )ol !o !he $"%++le h#le %llo#$ !he $"%++le !o mo&e &e"0c%lly #s#'e !he )ol2 G"%++le co!"ols %"e (se' %s % s+ec#%l -ey, !o %llo !he $"%++le !o mo&e (+ %' 'o '("#$ o+e"%0o h#le s#m(l!%eo(sly !"%sm#$ f(ll !o"*(e f"om !he $"%++le !o !he )ol2 ;echanism o7 OBS6OT AS A SE8ENCE OF EVENTS, Ae" !he o&e"sho! h%s "e%che' !he !o+ of !he 7sh, com)#e' "o!%0o %' loe"#$ "es(l!s # !he follo#$F :The $(#'e #ll '#"ec! !he 7sh #!o !he o&e"sho! :The G"%++le #ll e/+%' %' !he 7sh #ll +%ss !h"o($h #!2 :The 7sh #ll +%ss !h"o($h !he +%c-o R())e" %' #ll )e h%l!e' he #! co!%c!s !he +# e' of !he !o+ s()2 I !he c%se he"e % e/!e"%l (+se! sec0o #s )e#$ e$%$e' )y % B%s-e! G"%++le, !he 7sh #ll )e h%l!e' )y !he sol#' s!eel s!o+ # !he (++e" e' of !he B%s-e! G"%++le2 :The 7sh #s o +"o+e"ly loc%!e' # !he O&e"sho! %' !he"e%e" he (+%"' +(ll #s e/e"!e', !he G"%++le #s cos!"%c!e' )y !he !%+e"s # !he Bol %' !he hol' #ll )e sec("e2 :L#-e#se, oce !he 7sh #s # !he +o"0o2 The c#"c(l%0o #ll se%l !he P%c-o  R())e" %"o(' !he 7sh %' +"e&e! (#' +%ss%$e 'o !he o(!s#'e2 Th(s, )y )(#l'#$ (+ +"ess("e #!h !he +(m+s, !he (#' c% )e fo"ce' 'o !h"o($h !he 7sh2

8sing the o@ershot 9#"s! 'e!e"m#e !h%! !he o&e"sho! #s +"o+e"ly %ssem)le', #s '"esse' #!h !he +"o+e" s#6e G"%++le %' !h%! %ll #!s +%"!s %"e # $oo' o"-#$ co'#0o2 O)&#o(sly, #f !he 7sh #s sm%lle" !h% !he m%/#m(m o(!s#'e '#%me!e" !h%! !he o&e"sho! %s 'es#$e' !o e$%$e, #s!%ll ('e"s#6e +%"!s2If !he hole s#6e #s so m(ch $"e%!e" !h% !he 7sh s#6e !h%! #! #s +oss#)le fo" !he O&e"sho! !o +%ss %lo$s#'e !he 7sh, #s!%ll e#!he" % W%llhoo- G(#'e o" % O&e"s#6e G(#'e # +l%ce of !he S!%'%"' G(#'e2If !he !o+ 7sh #s he%&#ly )(""e' !ool 1o#!, "e+l%ce !he S!%'%"' G(#'e #!h !he +"o+e" M#ll#$ G(#'e2If !he 7sh h%s % (e$%$e%)le (++e" e', #s!%ll % e/!es#o )e!ee !he To+ S() %' !he Bol2 Us#$ !he To+ S(), coec! !he O&e"sho! !o !he 7sh#$ s!"#$ %' "( #! # !he hole2 To engage an( "u!! the >sh As !he !o+ of !he 7sh #s "e%che', sloly "o!%!e !he 7sh#$ s!"#$ !o !he "#$h! %' $"%'(%lly loe" !he O&e"sho! o&e" !he 7shF com)#e' "o!%0$ %' loe"#$ #s #m+o"!%!2Allo !he "#$h! h%' !#s! !o sl%c- o(! of !he 7sh#$ s!"#$ %' !he +(ll o !he 7sh )y ele&%0$ !he 7sh#$ s!"#$2 If !he 7sh 'oes o! come, !(" o !he c#"c(l%0$ +(m+s %' m%#!%# % (+%"' s!"%# h#le c#"c(l%0o #s fo"ce' !h"o($h !he 7sh2 To re!ease 7rom the >sh B(m+ 'o, !he s#m(l!%eo(sly "o!%!e !o !he "#$h! %' sloly ele&%!e !he 7sh#$ s!"#$ (0l !he o&e"sho! #s cle%" of !he 7shF com)#e' "o!%0$ %' ele&%0$ #s #m+o"!%!2To "ele%se f"om % "eco&e"e' 7sh, follo !he s%me +"oce'("e h#le hol'#$ !he 7sh )elo !he O&e"sho!2

IE COLLAR The '#e coll%" #s % e/!e"%l c%!ch !ool 'es#$e' !o "e!"#e&e !()(l%" mem)e"s f"om !he ell2 I!.s m%(f%c!("e' f"om h#$h $"%'e %lloy2 The h%"'ee' c($ !ee!h %"e m%ch#e' o % sh%llo !%+e" !o +"o&#'e % e/celle! $"#+2 We s% !h#s !ool # %c0o %! Nawagam we!!D223- Th#s !ool h%s % #!e"%lly !h"e%'e' !%+e"#$ s!"(c!("e, #2e !he !ool c% )e (se' fo" !()(l%" mem)e"s of % "%$e of o(!e" '#%me!e"s2 Hece, !h#s !ool comes # h%'y he !he"e #s l#le (ce"!%#!y o" 'o()! "e$%"'#$ !he 7sh '#mes#os2 S#ce !h#s oe #s % "o!%"y c%!ch !ool, #! #s o:"ele%s#$2 So #f %e" e$%$#$ #!h !he 7sh !he !ool $e!s s!(c-, !he !he"e #s o %y )(! !o le%&e #! %' )%c-:o2 O"eraon D#e coll%" #s loe"e' %lo$ !he le h%'e' '"#ll +#+e4LHDP52 U+o eco(!e"#$ 7sh !o+ e #m+%"! "o!%"y !o"*(e !o !he +#+e2 No!e: !h%! s#ce e."e 'e%l#$ #!h % "o!%"y c%!ch !ool % "o!%"y "#$ #s esse0%l2 The #!e"%l $"oo&es of !he '#e coll%" '#$ #!o !he e/!e"%l s("f%ce of 7sh %' em)e' % !h"e%' #!h h#ch !o $"#+ #! 7"mly2 The !he e/+e"#ece' 7sh#$ +"ofess#o%l ##0%!es !he +(ll:o(! )y #m+%"0$ !he "#$h! %mo(! of (+%"' +(ll !o !he s!"#$ %e" co7"m#$ !he (#o of '#e coll%" #!h !he 7sh2 Th#s +"ocess #s co0(e' 0ll !he 7sh #s "e!"#e&e'2 Hoe&e" )efo"e e$%$#$ # % 7sh#$ o+e"%0o (s#$ % '#e coll%" % !ho"o($h %sh o&e" 1o) #s oe "ecomme'e' %s #! #s % o:"ele%s#$ !ool2 Th#s #s.! s!%'%"' +"o!ocol )(! % +"ec%(0o%"y me%s("e oly2

Interna! catch >shing too!s9 S"ears I! #s (se' !o #!e"%lly e$%$e %' "e!"#e&e %ll s#6es of !()#$, '"#ll +#+e %' c%s#$2 I! m%y )e (se' # co1(c0o #!h #!e"%l c(e"s !o +e"fo"m c(! %' +(ll o+e"%0os2 All f(ll c#"cle s+e%"s fo" !()#$ %' '"#ll +#+e %"e com+ose' of % !o+ s(), +"o!ec!o" 4he % s-#"! %' $(#'e %"e o! (se'5, )o'y, sl#+s, f"#c0o s+"#$ %ssem)ly o" f"#c0o )loc- %ssem)ly, s!o+, s%fe!y "#$, (! %' (! se! sc"e2 The f"#c0o )loc- %ssem)ly #cl('es % (#06e", "e!%#e" 4? +#eces5, f"#c0o )loc-s, "e!%#e" sc"es, o(!e" )loc- s+"#$s %' #e" )loc- s+"#$s2The f"#c0o s+"#$ %ssem)ly #cl('es % (#06e", f"#c0o "e!%#e", f"#c0o s+"#$s 4h#ch %"e #!e$"%l #!h !he f"#c0o "e!%#e"5, %' f"#c0o "e!%#e" sc"es2The !o+ s() of f(ll c#"cle s+e%"s fo" !()#$ o" '"#ll +#+e se"&es %s % s!o+ %' #s +"o&#'e' %! #!s loe" e' #!h % s(#!%)le !h"e%' o h#ch #s %ssem)le' e#!he" % s-#"! %' $(#'e he !hese %"e (se', o" % !h"e%' +"o!ec!o" he !hey %"e o!2 The )o'y h%s % se"#es of l%"$e !%+e"s o #!s o(!s#'e '#%me!e" h#ch m%!ch s#m#l%" !%+e"s o !he #s#'e '#%me!e"s of !he sl#+s2 The +("+ose of !hese !%+e"s #s !o c%(se !he sl#+s !o e/+%' %' co!%c! !he 7sh, '("#$ o+e"%0o2

THE CATCHING AND RELEASING POSITIONS O9 A SPEAR, RESPECTIVEL

OPERATION De!e"m#e 7"s! !h%! !he f(ll c#"cle "ele%s#$ s+e%" #s !he +"o+e" s#6e fo" !he 7sh !o )e c%($h!, #s +"o+e"ly %ssem)le' %' #s # $oo' o"-#$ co'#0o2 The coec! !he s+e%" !o !he 7sh#$ s!"#$2 Se! !he s+e%" # #!s "e!"%c!e' +os#0o )y %sce"!%##$ !h%! !he sl#+ 7$e"s %"e e$%$e' #!h !he l($s o !he )o'y %' #!h !he l($s o !he (#06e"2 I !h#s +os#0o !he f(ll c#"cle sl#+s %"e +"esse' #%"' %' #ll o! e$%$e !he +#+e %s !he s+e%" #s "( #2 Whe s+e%" h%s "e%che' !he !o+ of !he 7sh slo loe"#$ of 7sh#$ s!"#$ "es(l!s # !he follo#$F ENGAGING OPERATION The +"o+e" s%fe!y "#$ o" s%fe!y "#$ +%c- o #ll +"e&e! !he s+e%" f"om e!e"#$ %y 7sh hose #s#'e '#%me!e" #s sm%lle" !h% !he o(!s#'e '#%me!e"

of !he sl#+s # !he#" "e!"%c!e' +os#0o2 The f"#c0o s+"#$s o" f"#c0o )loc-s #ll co!%c! !he #e" %ll of !he 7sh %' hol' !he (#06e", f"#c0o "e!%#e" %' sl#+s s!%0o%"y (0l !he sho(l'e"s %! !he e's of !he !%+e"s o !he 'o%"'ly !"%&el#$ )o'y co!%c! !he sho(l'e"s %! !he e's of !he !%+e"s of !he sl#+s %' +(sh !he %ssem)ly #!o !he 7sh !o !he 'es#"e' 'e+!h2 The sl#+s %"e o # !he#" (++e"mos! +os#0o "el%0&e !o !he )o'y2 The"e%e", he sl#+s %"e hel' s!%0o%"y )y !he f"#c0o s+"#$s o" f"#c0o )loc-s (0l !he l($s o !he (++e" e' of !he )o'y %"e '#se$%$e' f"om !he slo!s # !he (++e" 7$e"s of !he sl#+s2 A! !he s%me 0me, !he -eys o s!o+ %"e s#m(l!%eo(sly '#se$%$e' f"om !he "ecesses # !he (#06e"2 The"e%e", he !he 7sh#$ s!"#$ #s ele&%!e', !he sl#+s %"e hel' s!%0o%"y )y !he f"#c0o s+"#$s o" f"#c0o )loc-s %' !he !%+e"s o !he (+%"'ly !"%&el#$ )o'y e/+%' !he sl#+s #!o 0$h! f(ll c#"cle e$%$eme! #!h !he 7sh2 RELEASING Whe !he 7sh#$ s!"#$ #s )(m+e' 'o, !he sl#+s %"e hel' s!%0o%"y )y !he f"#c0o s+"#$s o" f"#c0o )loc-s %' !he )o'y !"%&els 'o%"'ly (0l !he l($s o !he (++e" e' of !he )o'y %"e o++os#!e !he slo!s # !he (++e" 7$e"s of  he sl#+s %' !he "ecesses # !he (#06e" %"e o++os#!e !he !o+s of !he -eys o !he s!o+2 The"e%e", he !he 7sh#$ s!"#$ #s "o!%!e' !o !he "#$h!, !he sl#+s %"e hel' s!%0o%"y )y !he f"#c0o s+"#$s o" f"#c0o )loc-s (0l !he l($s o !he )o'y loc%!e !hemsel&es #!h# !he so!s # !he (++e" 7$e"s of !he sl#+s2 A! !he s%me 0me, !he -eys o !he "ecesses of !he (#06e"2 The s+e%" c% o )e +(lle' (+ o" 'o !he 7sh )ec%(se he # !h#s +os#0o !he sl#+s c%o! )e e/+%'e' #!o !he 7sh )y !he !%+e"s o h! )o'y,

As % seco'%"y "ele%s#$ mech%#sm, le h%' #c-e"s %"e c(! o he f(ll c#"cle sl#+s %' !he l($s o !he#" )o'y %' !he -eys o !he s!o+ #ll fo"ce !he sl#+s !o "o!%!e #!h !he#" s+e%"2 Ae" )(m+#$ 'o !o )"e%- !he hol', com)#e' "#$h! h%' "o!%0o %' slo ele&%0o of !he 7sh#$ s0$ (sc"es !he s+e%" f"om !he 7sh2 TAPER TAP IT.S % #!e"%l c%!ch 7sh#$ !ool 'es#$e' !o "e!"#e&e !()(l%" mem)e"s f"om !he ell )o"e2 I! h%s % co#c%l !h"e%'e' s!"(c!("e, s+ec#%lly fo" e$%$#$ 7sh o&e" % #'e &%"#e!y of #!e"%l '#%me!e"s2 T.s c($ !ee!h, c%lle' #c-e"s %"e m%ch#e' o % sh%llo !%+e" !o +"o&#'e % $oo' $"#+ fo" +#c-#$ (+ 7sh 1o)s2 O"eraon The !%+e" !o+ #s %ssem)le' !o !he )oom of !he 7sh#$ s!"#$2 I! #s !he "( # !he hole 0ll 7sh !o+ #s eco(!e"e'2 The 1(s! s(c#e! e#$h! #s %++l#e' %' "o!%"y !o"*(e #s #m+%"!e' !o %llo !he #c-e" !h"e%'s !o )e em)e''e' #!o !he #!e"#o" of !he 7sh2 Oce sec("e e$%$eme! of !he 7sh h%s )ee co7"me' PO c% )e ##0%!e'2 Com"onents S#irt, #! #s (se' # some s+ec#7c c%ses2 Thes-#"! #s %ssem)le' !o !he !%+e" !%+ %' #ll %ss#s! # $(#'#$ !he 7sh fo" +"o+e" e$%$eme! %' "e!"#e&%l2 Se&e"%l !y+es of s-#"!s c% )e (0l#se' > +l%# e'e', l#++e' e'e', o" !h"e%'e' e' #!h % !h"e%' +"o!ec!o" fo" %''#$ s!%'%"' o&e"s#6e' $(#'e2 Gui(es, A $(#'e c% )e %ssem)le' !o !he )oom of % !h"e%'e' s-#"!2 Whe !he hole s#6e #s cos#'e"%)ly l%"$e" !h% !he '#%me!e" of !he 7sh, !he"e m%y )e s(c#e! "oom fo" !he T%+e" T%+ !o +%ss %lo$ s#'e of !he 7sh #!ho(!

e$%$#$ #!2 I !h#s c%se, % o&e"s#6e' $(#'e c% )e (se' !o e$%$e !he 7sh sec("ely %' !o +"o+e"ly $(#'e #! o!o !he T%+e" T%+2

Other misce!!aneous >shing too!s, The Im"ression 1!oc# Th#s !ool h%s % cle%", %!, le%'e f%ce2 Th#s #s!"(me! #s !he m#""o" of !he 'ohole co'#0os, %s #! c% #!h "e%so%)le %cc("%cyJ )"#$ !o s("f%ce !he #m+"ess#o of !he 7sh !o+2 I! #s #!h !h#s !ool !h%! $ee"%lly %y 7sh#$ 1o) s!%"!s o2 Construcon I! h%s % !y+#c%l me!%l f"%me %' % !%#l +# fo" co(+l#$ #!h '"#ll +#+e fo" loe"#$2 O #!.s f"o! f%ce #! h%s % !h#c- co%! of smoo!hly se! le%'2 A""!icaon I#0%lly I!.s loe"e' %s %ll o!he" 7sh#$ !ools %lo$ !he '"#ll +#+e2 U+o "e%ch#$ !he 7sh !o+ 'e+!h some %''#0o%l e#$h! #s %++l#e' !o #!, h#ch #s %'e*(%!e !o $e! !he #m+"ess#o of !he 7sh !o+2 The #! #s #!h'"% c%"ef(lly2 I +"%c0ce hoe&e", o! oly #!.s f%ce )(! %lso #!.s s#'es !ell (s !he 'ohole s!o"y2 The "(Q#$ %' c("l#$ of !he le%' %! !he s#'es #'#c%!es (e&eess o" e&e '%m%$e # !he c%s#$ some0mes %s %s !he c%se # S%%' ell>2

Wire!ine s"ear The W#"el#e S+e%" #s % s#m+le e%sy !o (se !ool 'es#$e' !o "e!"#e&e #"e l#e %' #"e "o+e f"om !he ell )o"e2

Construcon, S+e%"s %"e cos!"(c!e' of h#$h *(%l#!y s!eel fo" s!"e$!h %' '("%)#l#!y2 The (++e" e' of !he !ool h%s % )o/ coec0o %' 7sh#$ ec-2 To !y+es of  s+e%"s %"e %&%#l%)le2 The s!%'%"' #"el#e s+e%" #s +"o&#'e' #!h el'e' )%")s2 !he coll%+s#)le #"el#e s+e%" h%s "e!"%c0$ )%")s !o %llo e%s#e" e!"y #!o !he #"e #!ho(! com+%c0$ #! f("!he"2 Se""%0os o !he s+e%" sh%-, #s#'e !he coll%+s#)le )%") c%&#!y, f("!he" eh%ces !he %)#l#!y of !he W#"el#e S+e%" !o "e!%# #!s $"#+ o !he c%)le h#le !"#++#$ o(!2 O"eraon, M%-e:(+ !he s+e%" !o !he )oom of !he s!"#$2 R( # !he hole2 U+o "e%ch#$ !he #"e !o )e "e!"#e&e', sloly loe" !he s+e%", %llo#$ !he s!eel )%")s !o e$%$e !he #"e2 I! m%y )e ecess%"y !o l# %' loe" se&e"%l 0mes !o )e s("e !he s+e%" h%s s(c#e!ly e$%$e' !he #"e2 Sl#$h! "o!%0o m%y %lso )e "e*(#"e' !o loose !he #"e #f #! #s se&e"ely com+%c!e'2 The s+e%" m%y !he )e l#e' f"om !he hole, )"#$#$ !he loose #"e #!h #!2

;ILLING TOOLS, :un# mi!!, A"e !he mos! &e"s%0le !y+e # !he m%"-e!2 I! c% )e (se' !o, m#ll %lmos! %y fo"m of me!%l 1(- !h%! f%lls #!o o" #s le # !he hole, s(ch %s !()(l%"s !h%! h%&e )ee ceme!e' #s#'e o" o(!s#'e )"#'$e +l($s, +%c-e"s e!c2 Ta"ere( mi!!, A"e (se' +"#m%"#ly !o m#ll sec0os of coll%+se' o" s+l#! +#+e %' !o el%"$e "es!"#c0os !h"o($h f"e!%#e"s, %'%+!e"s, e!c2A sm%lle" !%+e" m#ll #s (s(%lly "( 7"s!, folloe' )y s(ccess#&ely l%"$e" m#lls (0l !he 7%l m#ll "( "e%ches !he #!e"%l '#%me!e" 'es#"e'Rotar+ mi!!, A"e (se' !o m#ll o&e" %' %"o(' +%c-e"s, '"#ll coll%"s , '"#ll +#+es, e!c2 They c% )e "( o '"#ll +#+es o" %sh o&e" +#+es !o f"ee , )y m#ll#$ , s!(c- '"#ll s!"#$s ,+%c-e"s sl#+s e!c2 Secon mi!!, A"e (se' !o o+e % #'o # c%s#$ # +"e+%"%0o !o s#'e !"%c-#$ % 7sh, o" !hey c% )e mo'#7e' %' (se' !o c(! +#+e2

No!e !he WC o" T($s!e C%")#'e %)"%s#&e s("f%ces o 9MT = Co#c%l m#ll

REPAIR AN RE;EIAL TOOLS Casing scra""er The C%s#$ Sc"%+e" #s 'es#$e' !o "emo&e sc%le, m(' c%-e, ceme! she%!h, em)e''e' )(lle!s, %' o!he" fo"e#$ m%!e"#%l f"om #s#'e of !he c%s#$ %ll2 M%#!%##$ % cle% c%s#$ I2D2 #s &#!%l !o !he ec#e! o+e"%0o of 'o:hole !ools (se' # '"#ll#$ !he ell2 The "es(l0$ smoo!h c%s#$ s("f%ce #s "e%'y fo" s()se*(e! 'o:hole o+e"%0o s(ch %s +%c-e" se$ %' s*(ee6e !ools2

OPERATION Assem)ly of !he c%s#$ sc"%+e" #s *(#c-, s#m+le %' c% e%s#ly )e 'oe # !he 7el'2 Sec("e !he !ool )o'y2 Ise"! s+"#$s #!o !he )l%'e )o'y '"#&e2 Se! )l%'e o&e" )o'y s+l#es %! ce!e" of !ool, com+"ess )l%'e %' sl#'e #!o s+l#es2

Is!%ll "em%##$ )l%'es # !he s%me m%e"2 Ose! !he (++e" )l%'e se! f"om loe" se! )y oe s+l#es2 Sec("e )l%'es !o )o'y #!h s+l#! coll%" "#$2

WAS6OVER PIPE, The !ech#*(e (ses l%"$e '#%me!e" +#+e, (s(%lly h#$h s!"e$!h c%s#$, loe"e' #!o !he hole %! !he e' of '"#ll +#+e2 D"#ll#$ m(' +(m+e' 'o !he %sh+#+e %shes 'e)"#s %%y f"om !he s!(c- 7sh, f"ee#$ #! fo" "eco&e"y2

:8N& RETRIEVAL FIS6ING TOOLS, FIS6ING ;AGNET Th#s !ool s# 'es#$e' !o eec0&ely "emo&e fe""o(s +%"0cles, sh%&#$s %' 'e)"#s f"om !he )oom of !he ell )o"e2 The +"ocess of "e!"#e&%l of sm%ll, o'' sh%+e' o)1ec!s #s % &e"y '#c(l! ye! f"e*(e!ly occ(""#$ 7sh#$ s#!(%0o2 Gee"%lly, s(ch o)1ec!s %"e % "es(l! of )#! f%#l("e !h%! le%&e coes %' c(e"s # !he hole, o" %"e % %cc(m(l%0o of m#ll c($s, o" s#m+ly %cc#'e!%l '"o++#$s of  (m#ll%)le o)1ec!s #!o !he hole2 S(ch 7sh c%o! )e e$%$e' # !he co&e0o%l m%e"2 9#sh#$ m%$e!s s(ccessf(lly "emo&e !hese sm%ll o)1ec!s f"om !he hole )oom2 The !ool.s 'es#$ #co"+o"%!es $ee"o(s c#"c(l%0o holes !h%! %sh %%y !he c($s %' o!he" 'e)"#s !h%! o(l' o!he" #se +"e&e!s co!%c! #!h !he m%$e!2 9#sh#$ m%$e!s c% )e "( o e#!he" #"el#e o" +#+e2 Construcon, These m%$e0c !ools %"e cos!"(c!e' f"om s!eel s+ec#%lly selec!e' fo" #!s %)#l#!y !o "e!%# m%$e0c +"o+e"0es ('e" h%"sh 'o hole co'#0os2 The m%$e0c m%!e"#%l #s oe of !he mos! +oe"f(l +e"m%e!

m%$e!s # #'(s!"#%l (se2 W#!h +"o+e" (s%$e #! sho(l' e&e" lose #!s m%$e0c +"o+e"!y2

O"eraon, No %ssem)ly #s "e*(#"e' o!he" !h% selec0$ !he 'es#"e' shoe %' #s!%ll#$ #! o !he loe" e' of !he m%$e0c %ssem)ly2 M%-e (+ !he m%$e0c %ssem)ly !o !he )oom of !he 7sh#$ s!"#$2 R( # !he hole %' hol' m%$e! %)o(! > f"om !he 7sh2 C#"c(l%!e co+#o(sly !o %sh %%y !he c($s2 Re'(ce c#"c loe" !he m%$e! !o !he 7sh %' sl#$h!ly "o!%!e !o o)!%# $oo' co!%c!2 C(! o  c#"c(l%0o %' l# !he m%$e! f"om !he hole2 Re@erse circu!aon 'un# )as#et, I!.s % 1(- "e!"#e&%l !ool 'es#$e' !o "emo&e %ll !y+es of o)1ec!s f"om !he )oom of !he ell )o"e2 Th#s s(+e"#o" !ool "emo&es #!ems s(ch %s sl#+s, h%' !ools, coes %' %y o!he" m#scell%eo(s +#eces of 1(- f"om !he ell2 I! em+loys "e&e"se c#"c(l%0o !o %#' 1(- "eco&e"y2 Construcon, Th#s !ool h%s % !o+ s(), )%""el %ssem)ly, c%!che" %' shoe2 The )%""el %ssem)ly cos#s!s of % #e" %' o(!e" )%""el, &%l&e se%!, c(+ %' )%ll2 A l# s() #s %lso +"o&#'e' !o f("!he" %ss#s! h%'l#$2 O"eraon, M%-e (+ !he 1(- )%s-e! !o !he )oom of !he s!"#$ %' "( #!o !he hole2 Whe !he !ool #s %++"o/#m%!ely !e fee! f"om !he )oom of !he hole, !he )%ll #s '"o++e' 'o !he '"#ll +#+e2 The )%ll #ll +os#0o #!self # !he )%ll se%! %' "e&e"se c#"c(l%0o #ll )e$#2 C#"c(l%!e %' commece co"#$2 Com)#e' #!h

"e&e"se c#"c(l%0o !h#s es("es !h%! %y 1(- o !he )oom #s +(m+e' #!o !he )%""el %' c%($h! )y !he c%!che" %ssem)ly2 The !ool #s "emo&e' f"om !he hole %e" c($ (+ !o ?co"e2 :un# su), The Boo! B%s-e! 4 s#$le e"e +(lle' o(!2 P"e+%"%0o fo" sh%"+:e'$e "( # o+e"%0o2 :@ D("#$ D%y0me, s%h"+ e'$e %s "( # %lo$ #!h K 'o()les, > s#$le2 Boom %s eco(!e"e' %! >@>m2 +(ll#$ o(! of ? 'o()les %'1(s0$ of sh%"+ e'$e %s 'oe2 A! >m s*(ee6e ceme0$ 1o) %s c%""#e' o(! )y s*(ee6#$ ? L %! ? +s#2 A! #$h!  'o()les %' > s#$le !()#$s %' sh%"+ e'$e2 R(#$ # sc"%++e" %'  'o()le !()#$s# +"o$"ess2 :@> R(#$ # of ?? 'o()les %' > s#$le !()#$ %s c%""#e' o(!2 Ceme! !o+ %s fo(' %! >?mJ !es!e' ceme! +l($ HT %' >+s#J o-2 P(ll#$ o(! of ? 'o()les, # s#$le !()#$ sh%"+:e'$e %' sc"%++e" 'oe2 Bl#' "%m of BOP !es!e' %! >+s#2 o-2 Well "e%'y fo" +e"fo"%0o2

:> oe >>2:>@ %s +e"fo"%!e' #!h > s+m 4sho!s +e" me!"e5 $(2 Bell )oom, K 'o()les, %' > s#$le !()#$ e"e "( #J BOP "emo&e', /m%s !"ee #s!%lle'2 Com+"esso" %++l#e' %! >>-sc2 O)se"&e' %!e" %lo$ #!h %#" h#le "ele%s#$ +"ess("e2 A! #$h! #1ec0&#!y %s chec-e' %s > l+m %! >? +s#2 Y: m%s !"ee "emo&e', BOP #s!%lle'2 Bell )oom %s -e+! %! > m ell "e%'y fo" ROS 1o)2 :? ROS4"es#'(%l o#l s%!("%0o5 1o) c%""#e' o(! )y s*(ee6#$ ? L of sol&e! %! >>-sc2 The )ell )oom %s %'1(s!e' %! >KKm2 Bo+ "emo&e', /m%s !"ee #s!%lle'2 R#$ "ele%se'2 9o" ;LL?2 No!eF # !he sol&e! 1o), % o+0m%lly fo"m(l%!e' m#/!("e of s("f%c!%! EGMBE o" E!hyleeGlycolMooB(!ylE!he", Yylee %' '#esel %s em+loye' # !he sol&e! 1o)2

9999999999999999999999999999999999999999999999999999 CASE ST8=D< E?"!orator+ we!!BInc!ine( JS.re7ers to the (ri!!e( tra'ector+5 NG;D2M

;B ?2>M

GL ?2M

TEST ONE

?:?M

:SCRAPE WELL WITH GO GAUGING UPTO 9LOAT COLLAR Z ?M :RECORD CBL:VDL:CCL:GR A9TER K?HR O9 WOC I9 O; :CARR OUT VSP AND RECORD DSI LOG

:RI TBG WITH BB, CHANGE OVER TO WATER, TEST CSG AND CHEAD HERMETICALL AT @? ;SC 9OR > HR I9 O; :PLACE ?M BRINE CUSHION O9 SP2 GR2 >2? AD WATER BU99ER O9 M, THEN MUD AS USED IN DRILLING POOH :PER9 OB INTERVAL ?:?M N: CONVENTIONALL Z>SPM4DEEP PENETRATION5 :RI TBG WITH BB AT ?KM2 ND BOP, NU YMT2 TEST RIG AT @?;SC :DISPLACE WELL 9LUID WITH WATER :I9 WELL BECOMES ACTIVE AND PRODUCES OILGAS 9LOW IT ALTERNATIVEL THRU ANNULUS AND TBG TILL WELL GETS CLEANED AND STABILIED :CO 9LOW STUDIES THRU SEP WITH ?@ DI99 BEANS TILL STAB 9LOW O9 OILGAS IS OBTAINED :I9 WELL DOESN.T BECOME ACTIVE APPL COMP N? TO REDUCE 9LUID LVL2 ACT WELL AND CO RESERVOIR STUDIES :I9 WELL STILL DOESN.T BECOME ACTIVE CO PLAIN ACIDMUDACDH9 ::>> ONE:> WAS SEALED WITH BRIDGE PLUG IN NIGHT SHI9T2 ON >K::>>, NEW ONE WAS PER9ORATED WITH > SPM GUN DURING DATIME2 COMPLETION TPEF: THIS WELL HAS SIMPLE BB WITH TUBINGS2

A T=PICAL WELL PLAN

&LLD2 > GENERAL IN9ORMATION ;elly )(sh#$ K>2>?M

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DRILLED DEPTH >M ? CASING POLIC TPE

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CONDUCTOR   PRODUCTION   9LOAT COLLAR >?M

GRADE

THIC;NESS

DEPTH

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CEMENT RISE BH CSG 9ROM SUR9 4M5 SUR9ACE >>

@ C PLUGB PLUG  PRESENT PAONE4>@@:>@2M5 IN ;ALOL:@ PAONE  PRESENT TBG SHOEBELL BOTTOM POP AT >@@M  PAC;ER TPE AND DEPTH[CLEARED UPTO >M DURING LAST WO< K PUMP CATCHER DEPTH:>?M  LAST ;ILLING 9LUID USED:BRINE  B2H CONDITIONS SBHP >;GC DEPTH >@M PEVIOUS HISTOR TESTED C%S#G AND CSG HEAD AT ? ;SCJ 9OUND HT SEALEDJ RECORDED CBL:VDL:CCL:GR LOGS2 CBL O;J PAONE IN THE INTERVAL >@@:>@2M IN ;:@ WAS PER9ORATEDJRI TBG WITH BB JAPPLIIED COMPRESSOR THRICE2>ST COMP APPLICATION  ;SCJ OBSERVED 9LOW O9 WATER ONLJ?ND APP COMP >? ;SCJ: ;SC LITTLE GAS, : ;SC OIL 9LOW, :K ;SC WATER WITH OIL AND K:>?;SC WATER WITH OIL TRACES2 AIR CUT AT >? ;SCJ @RD COMP APP,::>>;SC LITTLE GAS,>:>;SC OIL9LOW AND >:>>;SC WATER WITH OIL TRACES2 WUO2 NO 9LOW2 RR ::??2 C2PRESENT PROBLEMF NO 9LOW, SUSPECTED TBG LEA;AGE