Tabassum Yasmin Lecturer in Mech. Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
&esearch theme' Enhance( )y(rcarbn &ecvery Theme #ea(' $r!. Mehran Shrabi &esearch pr*ects' • • • • • • • • • •
+arbnate( ater -n*ectin Depressurisatin +2 -n*ectin !r E& an( Strage $urpses +2 Lea/age $reventin Meth( racture( &eservir as +n(ensate &ecvery L% Sa#inity ater -n*ectin Stu(ies )eavy i# U#trasnic an( Snic Stimu#atin +haracteriatin ! 3phase !#% an( a ater ter 5#ternating as 6 657 57 -n*ectin This theme, %hich is a#s /n%n as the +entre !r Enhance( i# &ecvery an( + 2 S#utins, uses -$E (esigne( an( bui#t e8perimenta# micrm(e# !aci#ities an( m(e##ing techni9ues t un(erstan( the !un(amenta# recvery mechanisms gverning mu#tiphase (isp#acements in hy(rcarbn reservirs. Techni9ues cmbine (irect visua#isatin stu(ies ! (isp#acements at the pre sca#e %ith cresca#e stu(ies carrie( ut un(er reservir cn(itins. run(brea/ing %r/ in this area has (emnstrate( h% an increase in !#% rate #ea(s t imprvements in gascn(ensate re#ative permeabi#ity. This %r/ is critica# !r re#iab#e pre(ictin ! gascn(ensate reservir per!rmance. The grup grup (eve#pe( rc/type speci!ic crre#atins crre#atins n% avai#ab#e in ma*r cmmercia# reservir simu#atrs 6:-$, 6:-$, E+L-$SE7. -n the +haracteriatin ! 3phase !#% an( ater ater 5#ternating as 657 657 -n*ectin an( )eavy i#
Depressurisatin pr*ects, nve# micrm(e# techn#gy has been use( t e#uci(ate the centra# presca#e physics gverning !#% in prus me(ia. me(ia. The current threephase net%r/ net%r/ m(e#s are cnsi(ere( the mst a(vance( ! their type, particu#ar#y !r the physics ! %etting !i#ms an( #ayers 6%hich assist in the (rainage ! i#7. ne ! the main theretica# a(vances is the app#icatin ! therm(ynamic thery t estab#ish the prper t% an( threephase capi##ary capi##ary entry cn(itins. Depressurisatin presca#e physics has been e8tensive#y stu(ie( e8perimenta##y an( theretica## y. 3D 3D net%r/ m(e#s !r ana#ysing pressure (ep#etin in #ight an( heavy i# systems have been (eve#pe(, the !irst t e8p#icit#y cup#e nne9ui#ibrium $:T behaviur, gravitatina# migratin ! (iscntinuus gas structures an( viscus !rces. ;et%r/ m(e##ing has a#s been use( !r t e8amine !#% in bi#gica# systems 6!#% in vascu#ar vas cu#ar be(s7. This innvative apprach receive( a Discip#ine Dis cip#ine )pping 5%ar( 5%ar( !rm M&+ an( E$S&+ an( has high#ighte( a number ! imprtant ne% targets !r therapeutic interventin. 5ctivities have e8pan(e( %ith the #aunch ! severa# ne% <-$s an( &esearch +unci# pr*ects. The )eavy i# &ecvery pr*ect investigates a nve# meth( !r imprving the c#( pr(uctin ! heavy heav y i#s by cmbining %ater an( +2 in*ectin, %hi#st the +arbnate( ater ater -n*ectin 6+-7 pr*ect investigates the e!!ect ! + 2 enriche( %ater !#(ing n reservir rc/ an( !#ui(s as a meth( ! i# recvery an( + 2 strage. 5 ne% in(ustria# pr*ect investigating hysteresis phenmena assciate( %ith reservir repressurisatin an( a ne% ==S&+ grant e8amining b#( !#% in (eve#ping retina# vascu#atures. 5 Scttish Enterprise $r! ! +ncept grant has recent#y been a%ar(e( t (eve#p an( cmmercia#ise a patente( i(ea !r preventin ! + 2 #ea/age !rm ge#gica# reservirs, %hich is cnsi(ere( a ma*r ris/ !r +2 capture an( strage.
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
E8perimenta# Stu(ies ! the un(amenta#s ! Enhance( i# &ecvery Mu#tip#e !u## internatina# $hD an( pst(ctra# psitins avai#ab#e at )eritatt in cn*unctin %ith +$$E>U&<. Note: These vacancies are only open to Brazilian nationals or foreigners who hold a permanent visa for Brazil.
$hD stu(entships 5pp#icants are invite( t app# y !r $hD psitins at )erit att, in c##abratin %ith +$$E>U&<, t stu(y e8perimenta# Enhance( i# &ecvery 6E&7. The psitins %i## be hste( !r !ur years at the )erit att -nstitute ! $etr#eum Engineering, un(er the supervisin ! $r!essr Mehran Shrabi, %ith *int supervisin by $r!essr $au# +ut at +$$E>U&<. The psitins %i## be base( in the %r#( #ea(ing e8perimenta# E& !aci#ities ! $r!essr Shrabi, stu(ying e8perimenta##y the thery an( princip#es ! many E& techni9ues, such as %ater !#(ing, %ater a#ternatinggas in*ectin an( carbn (i8i(e in*ectin res ervir pr(uctin schemes. Stu(ents %i## be registere( as !u## time stu(ents at )eritatt University, an( %i## receive a $hD (egree !rm )eritatt %hen the prgramme is success!u##y cmp#ete(. =ene!its ! the prgram t the se#ecte( can(i(ates • •
• • •
$hD stu(y in %r#( #ea(ing e8perimenta# E& #abratry ! $r!essr Shrabi +;$9 6Science %ithut =r(ers7 sch#arship in )erit att %ith a## assciate( bene!its 6(epen(ent n +;$9 apprva#7 University !ees in )eritatt University 5tten(ance at t% cn!erences annua##y 6ne natina# an( ne internatina#7 un(s !r research re#ate( csts 5pprve( can(i(ates re9uirements
• •
•
$sitins n#y avai#ab#e t =rai#ian natina#s r !reigners %ith permanent visas in =rai# MSc thesis in Engineering (iscip#ine, pre!erab#y $etr#eum Engineering, i(ea##y inc#u(ing an e8perimenta# cmpnent $r!iciency in Eng#ish 6TELS r -ELTS certi!icates7 ? Language ! stu(y %i## be Eng#ish Mre -n!rmatin r in!rma# en9uiries an( t app#y, p#ease cntact $r!essr $au# +ut at pcut@petr#e.u!r*.br an( $r!essr Mehran Shrabi at mehran.s
[email protected]%.ac.u/ $st(ctra# psitins 5pp#icants are invite( t app# y !r pst(ctra# psitins at )eritatt, in c##abratin %ith +$$E>U&<, t stu(y e8perimenta# Enhance( i# &ecvery 6E&7. The psitins %i## be hste( !r t% years at the )erit att -nstitute ! $etr#eum Engineering, un(er the supervisin ! $r!essr Mehran Shrabi, %ith *int supervisin by $r!essr $au# +ut at +$$E>U&<. The psitins %i## be base( in the %r#( #ea(ing e8perimenta# E& !aci#ities ! $r!essr Shrabi, stu(ying e8perimenta##y the thery an( princip#es ! many E& techni9ues, such as %ater !#(ing, %ater a#ternatinggas in*ectin an( carbn (i8i(e in*ectin res ervir pr(uctin schemes. Success!u# app#icants %i## be registere( as visiting researchers at )erit att University. =ene!its ! the prgram t the se#ecte( can(i(ates
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
• •
• • • •
Sep. 11, 2014
$st(ctra# stu(y in %r#( #ea(ing e8perimenta# E& #abratry ! $r!essr Shrabi +;$9 6Science %ithut =r(ers7 sch#arship in )eritatt %ith a## assciate( bene!its 6(epen(ent n +;$9 apprva#7 University !ees in )erit att University 5tten(ance at t% cn!erences annua##y 6ne natina# an( ne internatina#7 un(s !r research re#ate( csts Tpup sch#arship !!ere( by = rup 5pprve( can(i(ates re9uirements
• •
•
$sitins n#y avai#ab#e t =rai#ian natina#s r !reigners %ith permanent visas in =rai# $hD thesis in an Engineering (iscip#ine, pre!erab#y $etr#eum Engineering, inc#u(ing an e8perimenta# cmpnent $r!iciency in Eng#ish 6TELS r -ELTS certi!icates7 ? Language ! stu(y %i## be Eng#ish Mre -n!rmatin r in!rma# en9uiries an( t app#y, p#ease cntact $r!essr $au# +ut at pcut@petr#e.u!r*.br an( $r!essr Mehran Shrabi at mehran.s
[email protected]%.ac.u/
5vi(ing aspha#tene prb#ems' an integrate( e8perimenta# an( m(e##ing apprach This research prpsa# is submitte( by the cmbine( internatina# research e8pertise ! #abratries>research teams !rm )eritatt University, Technica# University ! +rete an( Sch#umberger. The prpse( c##abrative integrate( e8perimenta# an( m(e##ing research prgramme aims t a((ress !#% assurance cha##enges assciate( %ith aspha#tene precipitatin an( (epsitin %ith particu#ar emphasis t E& app#icatins. -t is %i(e#y be#ieve( that aspha#tene is becming a very cha##enging an( imprtant !#% assurance issue, cnsi(ering the increase in (eep%ater e8p#ratin>pr(uctin app#icatins as %e## as the signi!icant increase in E& pr*ects, in particu#ar +2E&. urthermre, recent (eve#pment in un(erstan(ing the nature ! aspha#tene, the testing !aci#ities>prce(ures, an( in the precipitatin preventive techni9ues %arrant a ne% #/ at this #( prb#em 6)ammami an( &atu#%s/i, 200A7. The prpse( prgramme is riente( t%ar(s a better un(erstan(ing ! aspha#tene !rmatin>(epsitin in reservir, %e##bre>tubing, pipe#ines an( prcess !aci#ities. -t is a#s prpse( t investigate sme ! the cha##enges ass ciate( %ith samp#ing reservir i#s, such as the e!!ect ! mu( !i#trate cntaminatin as %e## as the reversibi#ity ! aspha#tene !#ccu#atin an( re(iss#utin, aspha#tene (epsitin in reservir rc/, etc. 5 nve# setup is prpse( t investigate the e!!ect ! shear rate n aspha#tene (epsitin, in cn*unctin t the cnventina# cre !#(ing apprach. -t is envisage( t cn(uct !u## !#ui( ana#ysis n test samp#es t ma8imise the in!rmatin avai#ab#e !r e!!icient an( re#iab#e therm(ynamic m(e##ing %hich is a#s part ! this research prpsa#. Scpe The actua# scpe ! the pr*ect %i## be !ina#ise( base( n the number ! spnsrs an( their pririties. Speci!ic tpics !r investigatin
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
• • • • •
• • •
Sep. 11, 2014
E!!ect ! mu( !i#trate cntaminatin n the reservir i#Bs aspha#tene test resu#ts &eversibi#ity ! aspha#tene !rmatin +ritica# eva#uatin ! aspha#tene testing techni9ues E8haustive reservir !#ui( characterisatin n 23 samp#es -nvestigating aspha#tene precipitatin>(epsitin in reservir, %e##bre an( pipe#ines %ith particu#ar emphasis t +2E& prcesses Eva#uating the per!rmance ! aspha#tene inhibitrs Deve#ping a pre(ictive m(e# base( n the ne%#y ac9uire( /n%#e(ge n aspha#teneBs structure enerating e8perimenta# (ata n the e!!ect ! shear rate n aspha#tene (epsitin, using a ne% e8perimenta# setup. The aim is (eve#ping a !rame%r/ !r numerica# m(e##ing. Management an( reprting 5 Technica# Steering +mmittee cmprising ! principa# investigatrs an( s pnsrs representatives %i## meet every si8 mnths t revie% prgress, b*ectives an( the !uture %r/ prgramme. &esu#ts %i## be reprte( in biannua# reprts submitte( t spnsrs prir t Steering +mmittee meetings. $r*ect cst an( (uratin The prpse( annua# cntributin is C4/ per spnsr base( n spnsrs supprting the pr*ect !r a 3 year (uratin. -t is suggeste( t start the pr*ect in
r !u## prpsa# p#ease cntact' $r! =ahman Thi(i -nstitute ! $etr#eum Engineering )eritatt University, E(inburgh E)14 45S, UF Te#' G44 607131 41 3A2 a8' G44 607131 41 312A Emai#' =ahman.Thi([email protected]%.ac.u/ &esearch ate%ay pr!i#e' =ahman Thi(i Fa#rai
)y(rate sa!ety margin mnitring an( ear#y (etectin systems E8ecutive summary The t% main b*ectives ! this research prpsa# are' •
•
(eve#ping meth(s>(evices !r (etermining the cncentratin ! h y(rate inhibitrs an( hy(rate sa!ety margin, an( (eve#ping techni9ues !r (etecting ear#y signs ! hy(rate !rmatin. The !irst is t ensure that the s ystem is a(e9uate#y inhibite( against hy(rate !rmatin an( !r ptimising inhibitr in*ectin rates, %hereas the secn( is t (eve#p an ear#y (etectin>%arning system i! hy(rates start t !rm 6prir t hy(rate bui#( up an( pipe#ine b#c/age7 The initia# b*ective %as base( n (%nstream samp#ing an( mnitring %ith the u#timate b*ective ! n#ine mnitring an( ear#y %arning systems against ris/s assciate( %ith hy(rate !rmatin.
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
-n the !irst three phases ! this pr*ect %e investigate( a number ! techni9ues. 5!ter e8tensive e8perimenta# %r/ an( cnsu#tatin %ith the pr*ect spnsrs, %e have i(enti!ie( a number ! techni9ues !r mnitring an( ear#y %arning systems $rttypes !r these techni9ues have been cnstructe( an( teste( in the spnsrsB #abratries as %e## as severa# !ie#( tria#s arun( the %r#( 5 hy(rate sa!ety margin mnitring techni9ue 6)y(ra+)EF7 base( n measuring cn(uctivity an( acustic ve#city in an a9ueus samp#e has been cmmercia#ise(. The imp#ementatin ! the techni9ue in a ;rth Sea !ie#( has resu#te( in signi!icant savings in inhibitr csts, re(ucing pr(uct cntaminatin an( assciate( remva# csts, e8ten(ing the #i!e ! the reservir an( recvery !actr. 5n n#ine )y(ra+)EF system is being (eve#pe( thrugh an -T pr*ect by )y(ra!act an( in c##abratin %ith Secaut. b*ectives The main b*ectives ! $hase 4 ! the pr*ect can be summarise( as' Deve#ping integrate( hy(rate mnitringear#y (etectin systems -ntegrating the (eve#pe( techni9ues %ith e8isting !ie#( !aci#ities an( techn#gies Deve#ping techni9ues !r n#ine (etectin ! initia# signs ! hy(rate !rmatin urther (eve#pment r !ie#( trai#>(ep#yment ! the previus#y (eve#pe( techni9ues
• • • •
The abve tpics are (iscusse( in sme (etai#s in the enc#se( prpsa#. =ene!it>b*ectives • •
•
•
Minimising gas hy(rate b#c/age ris/s ptimising hy(rate inhibitr in*ectin rates, resu#ting in e8ten(ing the !ie#( #i!e, imprve( ecnmics an( minimising ptentia# envirnmenta# impacts Minimising the ris/s assciate( %ith ptentia# human errr an(>r mechanica# !ai#ure ! inhibitr in*ectin pumps iving mre time !r reme(ia# actin by (etecting signs ! initia# hy(rate !rmatin6i.e., an ear#y %arning system7 ut#ine bu(get The tta# cst ! this two year project is estimate( at £375 . The prpse( annua# cntributin is £37.5 per sponsor . -nvicing can be time( t match spnsr !inancia# year p#anning. The pr*ect %as #aunche( in September 2013 +ntact r !urther (etai#s an(>r !u## prpsa# p#ease cntact' $r! =ahman Thi(i -nstitute ! $etr#eum Engineering )eritatt University, E(inburgh E)14 45S, UF Te#' G44 607131 41 3A2 a8' G44 607131 41 312A Emai#' =ahman.Thi([email protected]%.ac.u/ &esearch ate%ay pr!i#e' =ahman Thi(i Fa#rai
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
Behavio!r and "odelling of #a!lts$#ract!res$#l!ids %ystem &B"###%' (ntrod!ction
The =MS $r*ect 6Behaviur an( "(e##ing ! #au#ts>#ractures>##ui(s %ystems7 is ne ! a set ! si8 research pr*ects cncerne( %ith the theme ! HStructura##y +mp#e8 &eservirsH. This #arge, theme( prgramme ! research inv#ving pr*ects cn(ucte( by a number ! internatina# research grups %as br/ere( by the -n(ustry Techn#gy aci#itatr n beha#! ! its member cmpanies. The =MS $r*ect began in I2 ! 2002 an( %i## be cmp#ete( in ear#y 200. The research team %r/ing n =MS cnsists ! scientists an( engineers base( at )eritatt, Lee(s, Te8as 5"M an( Fent Universities. The ga# ! =MS is' T ma/e a stepchange in the %ay that !au#ts are cnsi(ere( in e8p#ratin an( pr(uctin strategies, by •
•
•
•
•
+##ating an( cns#i(ating the present un(erstan(ing ! !au#t architectures an( prperties Deve#ping ne% simu#atin appraches !r ca#cu#ating sing#e an( mu#tiphase !#ui( !#% in these cmp#e8 regins, inc#u(ing a cnsi(eratin ! cup#e( gemechanica# e!!ects rmu#ating a ne% gemechanica# un(erstan(ing ! the !au#ting prcess, !rm the grainsca#e t the (eve#pment ! !au#t arrays 5(vancing ur /n%#e(ge, an( (atabase, ! !au#trc/ petrphysica# prperties +reating an( app#ying ne% %r/!#%s !r incrprating these resu#ts int reservirsca#e ana#ysis
The cncept un(erpinning =MS is that a cnsi(eratin ! the !#% e!!ects ! !au#ting nee(s t be a((e( t the nrma# ana#ysis apprach. Fn%#e(ge abut the (istributin ! !au#ts, an( !au#t prperties, can be btaine( !rm severa# surces. Using apprpriate simu#atin t#s, the !#% e!!ects ! !au#ts can be (etermine( !r situatins re#evant t reservir pr(uctin prcesses, r t the !au#ting prcess itse#!. 5 /ey cha##enge is t (eve#p practica# %ays t use this /n%#e(ge %ithin in(ustr y %r/!#%s.
&eservir Management is (epen(ent n #% Simu#atins, as %e## as ther aspects nt i##ustrate( here. -n cmp#e8 reservirs, #% Simu#atin re9uires ac/n%#e(gement ! t% ma*r e#ements. ne e#ement is the =ac/grun( e#gy, %hich is the !cus ! typica# reservir characterisatin. The ther e#ement, an( the !cus ! this pr*ect, is the r#e ! au#ts. The (iagram i##ustrates t he severa# %ays by %hich %e might pre(ict r ana#yse the !#% e!!ects ! !au#ts.
+entre !r Enhance( i# &ecvery an( +2 S#utins
The +entre !r Enhance( )y(rcarbn &ecvery an( + 2 S#utins 6!rmer#y the )y(rcarbn &ecvery Mechanisms pr*ect7 has been investigating varius hy(rcarbn recvery mechanisms t imprve the current un(erstan(ing ! the pertinent prcesses an( pr(uce in!rmatin re9uire( !r the e!!icient p#anning
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
an( management ! !ie#( pr(uctin. Uni9ue #abratry cre test !aci#ities, high pressure !#% visua#isatin in micrm(e#s, mechanistic an( numerica# m(e##ing ! !#% thrugh prus me(ia are use( t achieve research b*ectives. )igh pressure !#% visua#isatin at the pre #eve# is per!rme( in three high pressure micrm(e# rigs resu#ting in mre un(erstan(ing ! the reservir prcesses as %e## as 9uantitative in!rmatin. ur cre test !aci#ities perating at simu#ate( reservir cn(itins, inc#u(ing Jray #ca# saturatin measurement capabi#ties, are use( t pr(uce !ie#( speci!ic an( generic (ata. Mechanistic an( numerica# m(e##ing ! !#% thrugh prus me(ia, base( n inhuse e8perimenta# bservatin an( measurements, are cn(ucte( t genera#ise research resu#ts. The research prgrams, %hich are base( n the vie% ! pr*ect spnsrs, are prepare( an( success!u##y cn(ucte( using the avai#ab#e uni9ue !aci#ities he#ping bth theretica# an( e8perimenta# teams ! e8pertise. The research areas inc#u(e !#% ! gascn(ensate near the %e##bre, %e## (e#iverabi#ity imprvement, trapping ! hy(rcarbn by %ater an( its subse9uent rembi#isatin by (epressurisatin, %ater a#ternating gas 657 in*ectin, miscib#e 5 an( simu#taneus in*ectin ! %ater an( gas 6S57 an( recvery !rm natura##y !racture( reservirs.
$r(uctin Techn#gy Theme Lea(' $r!. Davi( Davies <int in(ustry pr*ect •
-nte##igent e## an( ie#(s systems Techn#gy 6-sT7 The principa# %r/ in this theme is ur current *int in(ustry pr*ect. The pr*ect !cuses n the a((e( va#ue achievab#e !rm inte##igent %e##s an( !ie#(s techn#gy. This <-$ has bui#t up e8pertise ver a number ! years gaine( !rm %r/ cmp#ete( in ear#ier phasesK -sT phases - " -- an( -sT. ur research is (eve#ping eva#uatin meth(#gies an( techni9ues !r %e## an( !ie#( mnitring, cntr# an( ptimisatin. These -sT t#s are i##ustrate( by their use !r ana#ysis ! spnsr supp#ie( case stu(ies. This <-$ is supprte( by a %i(e range ! in(ustria# spnsrs . e a#s prvi(e cnsu#tancy an( shrt curses t the in(ustry. &eservir stress state management The grup a#s has been inv#ve( in the stu(y ! %ater in*ectin, san( pr(uctin, rc/ testing an( m(e##ing re#ate( t pr(uctin issues !r bth +#astic 6main#y ; Sea7 an( +arbnate reservirs 6main#y Mi((#e East7. The m(e##ing has cncentrate( arun( cup#e( m(e##ing ! stress re#ate( pr(uctin prcess an( has #ea( t the (eve#pment ! the cncept ! reservir stress state management.
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
Enhance( i# &ecvery Larry La/e 6#arry#a/e@mai#.ute8as.e(u7 is the $rgram Manager ! the Enhance( i# &ecvery research prgram. The !cus ! the Enhance( i# &ecvery prgram is n techni9ues that !!er prspects !r u#timate#y pr(ucing 2 t 0 percent, r mre, ! a reservirBs rigina# i# in p#ace. The ma*r categries ! E& research inc#u(e' therma# recvery, gas in*ectin, an( chemica# in*ectin. E& &esearch $r*ects 5#/a#iSur!actantas -n*ectin as a ;ve# Enhance( i# &ecvery Techni9ue Iuc $. ;guyen, ary 5. $pe +nventina# 5#/a#ineSur!actant$#ymer 65S$7 !#(ing is an attractive enhance( i# recvery meth(. )%ever, a signi!icant !ractin ! reservirs, such as natura##y !racture( carbnates %ith #% matri8 permeabi#ity, are nt suitab#e can(i(ates !r the use ! p#ymers. -n a((itin, the use ! p#ymer !r very high sa#inity an( high temperature !rmatins may nt be
ecnmica##y !easib#e. am can be an a#ternative t p#ymer !r imprving the (isp#acement e!!iciency in chemica#E& prcesses. The use ! !am as a mbi#ity cntr# agent by cin*ectin r a#ternate in*ectin ! gas an( chemica# s#ug is terme(, here, as the 5#/a#i Sur!actant as 65S7 $rcess. am re(uces the re#ative permeabi#ity ! the in*ecte( chemica# s#ug that !rms micremu#sin at u#tra#% i#%ater inter!acia# tensin 6-T7 an( generates su!!icient viscus pressure gra(ient t (rive the !ame( chemica# s#ug. The cncept ! using the 5S prcess as an enhance( i# recvery techni9ue is re#ative#y ne%, %ith very #itt#e e8perimenta# an( theretica# %r/ avai#ab#e n the sub*ect. ;e% sur!actant structures %ith (ua# prperties ! !aming an( emu#si!icatin, an( a#/a#i metabrates have been (eve#pe( an( use( in cre!#( e8periments. Ma8imum recveries ! N ! remaining i# a!ter %ater!#( %ere bserve(, in(icating a strng synergic e!!ect ! !am an( u#tra#% i#%ater -T n i# recvery. +D Stu(y ! &e(uce( &esi(ua# i# by :isce#astic $#ymers Matt =a#h!! Surprising#y, recent e8perimenta# an( !ie#( bservatins in(icate that the a((itin ! visce#astic p#ymers imprve i# recvery by an a((itina# 20N, cntrary t the cnventina# %is(m that p#ymers shu#( have n impact n resi(ua# i# saturatin.
My research grup has per!rme( cmputatina# !#ui( (ynamics 6+D7 simu#atins ! visce#astic !#% arun( static i# (rp#ets in gemetries representative ! pre thrats. e sh% that nrma# !rces are signi!icant !r visce#astic !#ui(s an( increase %ith De an( the tta# !rce impse( n the (rp#et may be #arger than an e9uiva#ent ;e%tnian !#ui( %ith the same viscsity. &esu#ts in(icate that nrma# !rces cu#( (minate, an( the tta#, e!!ective !rce %u#( be enugh t mbi#ie trappe( i#. My research grup is current#y per!rming a((itina# +D simu#atins !r (ynamic mu#tiphase !#% an( (eve#ping a mu#tiphase prenet%r/ m(e#K the resu#ts have #e( t a ne% !un(amenta# un(erstan(ing ! the !rces inv#ve( in mbi#iatin ! trappe( i# by e#astic p#ymers an( ptentia##y app#ie( t bi##ins ! barre#s ! current#y unrecverab#e i#. $hD stu(ent' 5#i 5!sharpr $st(c' Dr. $ei8i Ohu $ub#icatin'
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
5!sharpr, 5., =a#h!!, M.T., =nnecae, &. an( )uh, +., P+D m(e#ing ! the e!!ect ! p#ymer e#asticity n resi(ua# i# saturatin at the presca#e,Q <urna# ! $etr#eum Science an( Engineering, :#ume 4, pages ARR, September 2012, pub#ishe( n#ine *.petr#.2012.0.02A.
E8perimenta# -nvestigatin ! &e(uce( &esi(ua# i# as a &esu#t ! :isce#astic $#ymer #(s Matt =a#h!! 5n e8tensin ! ur %r/ in cmputatina# !#ui( (ynamics, this ne% pr*ect inv#ves micr!#ui(ic an( cre!#( e8periments t better un(erstan( the re(uctin ! resi(ua# i#. Micr!#ui(ics are an attractive ptin because they can be use( t appr8imate the gemetry ! pres in reservir rc/s, an( cameras can be use( t visua#ie !#% an( the mbi#iatin ! trappe( i#. The micr!#ui(ic (evices are ! cnverging>(iverging gemetry an(>r inc#u(e (ea( en( pres %ith trappe( i#. Macrsca#e, cre!#( e8periments are a#s being per!rme( by varying cn(itins nt investigate( b y ther authrs. MS>$hD stu(ent' $engpeng Ii MS stu(ent' Dan Ehren!rie( Un(ergra(uate &esearcher' Yusse! E#Fa(y
un(amenta# Stu(y ! $#ymer #% an( Degra(atin in -n*ectin +h/es Matt =a#h!! $#ymers are use!u# (uring E& because ! their high viscsit y, cause( #arge#y by the #ng chains ! the m#ecu#es.
hen p#ymers !#% un(er a #arge amunt ! shear, mechanica# (egra(atin can ccur, brea/ing
the bn(s, re(ucing the m#ecu#ar %eight, an( there!re re(ucing the viscsity. The ga# ! this stu(y is t per!rm cmputatina# !#ui( (ynamics m(e#ing in in*ectin ch/e va#ves t measure the amunt ! simp#e an( e8tensina# shear n the p#ymers at !ie#( cn(itins. 5((itina##y, sma##sca#e e8periments are cn(ucte( t measure the change in m#ecu#ar %eight an( viscsity %hen the same amunt ! shear is impse( n the p#ymer. The !in(ings %i## resu#t in a ne% un(erstan(ing ! the e!!ects ! shear (egra(atin an( ptima# !ie#( cn(itins !r in*ectin. MS stu(ent' &ebecca Lenar( Un(ergra(uate researcher'
;ve# +ncept ! Sur!actant Design !r Subsur!ace +2 $rcesses
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
Iuc $. ;guyen, ary 5. $pe This !un(e( pr*ect is aime( at (eve#pment ! nve# sur!actants that imprve the cn!rmance ! +2 in subsur!ace prcesses such as +2 enhance( i# recvery an(>r se9uestratin. The m#ecu#ar (esign ! these nve# sur!actants is base( n t% principa# presca#e prcesses'
!aming an( emu#si!icatin. $articu#ar#y, sur!actants can be e!!icient#y (e#ivere( thrugh the +2 phase t sme areas in the !rmatin %here these prcesses are (esire( 6e.g. nrma##y s%ept ne7. This nve# cncept has the ptentia# t re(uce signi!icant#y the chemica# cst !r +2 subsur!ace prcesses. -n a((itin, the per!rmance ! the sur!actants is partia##y cntr##e( by the i# phase such that !aming>emu#si!icatin ! +2 (es nt impair the e!!iciency ! the miscib#e (isp#acement ! i# by +2.
$#ymer -n*ectivity !r a )rinta# e## %ith +up#e( rmatine##bre )y(rau#ics Matt =a#h!!, M*(eh De#sha(, +hun )uh $#ymers are !ten in*ecte( int hrinta# %e##s (uring E& prcesses. During in*ectin ! these high viscsity, nn;e%tnian p#ymers, a signi!icant pressure (rp may ccur a#ng the #ength ! the %e##. 5ccurate m(e#s !r pressure (rp in the %e## an( p#ymer #ea/age int the reservir are necessary !r simu#atin but present#y ( nt e8ist.
e have (eve#pe( ne%, appr8imate m(e#s !r pressure in hrinta# %e##s base( n presca#e cmputatina# !#ui( (ynamics 6+D7 m(e#ing ! cup#e( %e##>reservir !#%. )ere, the p#ymer is shear thinning in the %e##bre an( may e8hibit visce#astic e!!ects in the surrun(ing reservir. The +D resu#ts are use( t imprve e8isting ana#ytica# m(e#s !r simp#e, ;e%tnian !#%s. The c#se(!rm m(e# accunts !r !#ui(, %e##, an( reservir prperties an( can easi#y be imp#emente( int cnventina# reservir simu#atrs. MS stu(ent' reg
*.petr#.2011.0.00A
Three$hase #% 6E8periments an( Simu#atin7 Davi( Di+ar# Un(erstan(ing the (ynamics ! threephase !#% is essentia# !r ptimiing enhance( i# recvery an( va(se ne reme(iatin prcesses. The u#timate recvery ! i# an( ther nna9ueus phase #i9ui(s 6;5$Ls7 (epen(s n the resi(ua# saturatins an( re#ative permeabi#ites ! each ! the phases. -n particu#ar, the %ettabi#ity ! the prus me(ia a!!ects the p#acement ! the !#ui(s in the prus me(ia an( the re#ative permeabi#ities.
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
$revius#y %e have sh%n e8perimenta##y h% the i# re#ative permeabi#ity sca#es %ith i# saturatin at #% i# saturatins !r (i!!erent %ettabi#ities. These resu#ts imp#y very #% resi(ua# i# saturatins are
btainab#e un(er threephase gravity. +urrent#y, %e are measuring threephase re#ative permeabi#ities thrughut the entire saturatin range !r a range ! %ettabi#ities. These resu#ts %i## #ea( t e8perimenta##y base( re#ative permeabi#ity m(e#s %hich can be (irect#y input int simu#atins ! gas in*ectin. +haracteriatin ! Sur!ace Energies ! )y(rcarbn rmatin &c/s !r Enhance( )y(rcarbn &ecvery Iuc $. ;guyen, ary 5. $pe un(ing surce' Sau(i 5ramc un(ing amunt' 20,000 per year The physica# an( chemica# interactins bet%een cru(es, brines, an( rc/ (etermine bth i# reserves an( pr(ucibi#ity. Measurements ! these interactins are (i!!icu#t an( research in the past has main#y cncentrate( n san(stne reservirs. -n particu#ar, #imestnes an( (#mites are pr#y investigate(. Yet these interm#ecu#ar !rces gvern the transprt ! !rmatin !#ui(s. Li!shitvan (er aa#s
6L7 thery a##%s estimating the cntributin ! L interactins t s#i( an( #i9ui( sur!ace !ree energies. )%ever, the L interactins ( nt su!!icient#y accunt !r the high sur!ace an( inter!acia# !ree energies ! severa# substances. ;ear#y a## ! the chemica# reactins bet%een #i9ui(s an( s#i(s sur!aces that are imprtant in !rming inter!aces are Le%is aci(base 65=7 reactins. =th L an( 5= interactin strengths ! a rc/ sur!ace can be accurate#y (etermine( by inverse gas chrmatgraphy. Un(erstan(ing ! sur!ace an( inter!acia# prperties ! !#ui(s 6i.e., !rmatin brines, cru(e i#s, etc.7 an( rc/s is the /ey t the s uccess ! %ettabi#ity a#teratin an( inter!acia# tensin re(uctin as the mst e!!ective appraches !r mitigating !rmatin (amage an( mbi#iing i#. 5na#ysis ! $r(uctin an( -n*ectin &ate Data !r Diagnsing -nter%e## +nnectivity Larry . La/e The e8p#ratin an( pr(uctin in(ustry has ha( a #ng histry ! pure#y statistica# m(e#s, thugh this practice has a#mst entire#y given %ay t the a#grithmic m(e#s n% re!erre( t as numerica# simu#atrs. n the ther en( ! the spectrum the u#timate simp#i!icatin %i## be a simp#e m(e# that (es empirica##y 9uanti!ies the !#% physics in the !rm ! simp#e t eva#uate st atistica# crre#atin6s7. e prpse a ra(ica##y (i!!erent apprach uti#iing %e## rate !#uctuatins t pre(ict inter%e##
cnnectivity. They e8presse( the tta# !#ui( pr(uctin at a pr(ucer as a #inear cmbinatin ! the in*ectin rates at (i!!erent in*ectrs #cate( in the reservir. The /ey cnc#usins are that in*ectrpr(ucer %eights are 6a7 in(epen(ent ! average %e## rates, 6b7 appear t re!#ect ge#gic !eatures, 6c7 re9uire sme !i#tering in the presence ! (issipatin 6in(ee(, %ith e8cessive (issipatin the meth( !ai#s entire#y7, an( 6(7 can be ca#cu#ate( %ith severa# statistica# prce(ures. The best thing abut the meth( is that it can be use( n virtua##y any in*ectin prcess because in*ectinpr(uctin rate (ata e8ists n every type ! mature pr*ect. +urrent#y, research e!!rts are !cuse( n (emnstrating the techni9ue n a tru#y (e!initive (ata set. The Magnus (ata 6base( n (ai#y rate (ata7 %as btaine( sme mnths ag an( app#icatin ! the techni9ue n a (ataset s #arge %u#( re9uire substantia# m(i!icatins t the apprach !r ca#cu#ating inter%e## crre#atin.
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
#ui( =#c/age an( Diversin Iuc $. ;guyen #ui( b#c/ing an(>r (iversin techni9ues have been !un( essentia# in mst ! the near%e## bre treatments, such as aci( (iversin, %ater cnning 6high &7, gas cusping 6high &7, an( hy(rau#ic !racturing. 5 (isperse( system such as !am an( p#yaprhens has been use( %r#(%i(e as b#c/ing>(iverting
agents. The main b*ective ! this pr*ect is t imprve the cn!rmance ! such a !#ui( system by cntr##ing its cmp#e8 rhe#gy in prus me(ia. ne ! imprtant !in(ings !rm this pr*ect sh%s that viscus !ingering appears t be a prevai#ing !#% regime (uring the (isp#acement ! a viscus b#c/ing>(iverting agent. This !#% behavir has a strng imp#icatin n the (eve#pment ! %rmh#ing (uring matri8 aci(iing. -mprve( Matri8 Stimu#atin Iuc $. ;guyen Matri8 aci(iing is the mst preva#ent techni9ue use( in m(ern !rmatin stimu#atins. Severa# issues e8ist that might re(uce the incentive t ptimie matri8 treatment techn#gy. ! nte' •
•
•
• • •
•
-t is apprpriate t apprach these issues !rm (i!!erent sca#es an( perspectives t btain a ne% uni!ie( mechanistic m(e# !r matri8 aci(iing that meets practica# per!rmance nee(s. 5#thugh the princip#es ! matri8 aci(iing have been %e## estab#ishe(, the interactins bet%een reactin /inetics an( the ensuing ev#utin ! the !#ui( an( rc/ prperties are nt cmp#ete#y un(erst(. +urrent#y e8isting aci( reactin retar(atin techni9ues 6e.g. i#aci( emu#sin, retar(e( aci( system %ith !#ubric aci(7 have prve( e!!ective, but nt (esirab#y cntr##ab#e. +mp#e8 p#ugging an( transprt ! precipitates have been versimp#i!ie( in current m(e#s. Misuse ! mechanica# an( chemica# (iverters smetimes aggravate !rmatin (amage. Litt#e e!!rt has been ma(e n upsca#ing (escriptins ! the presca#e prcesses uti#iing avai#ab#e #abratry bservatins an( n va#i(ating #ab resu#ts using !ie#( (ata. Mre attentin nee(s t be pai( t aci(iing in (i!!erent ge#gica# an( !#% m(e#s 6e.g. #ayering, #inear an( ra(ia# !#%7.
ptimum +ntr# ! Un%ante( #ui( $r(uctin in )etergeneus &eservirs Iuc $. ;guyen, San*ay Srinivasan The vera## b*ective ! this nging pr*ect is t minimie pr(uctin ! un%ante( !#ui(s such as cnning %ater an( channe#ing gas. 5(vances in inte##igent %e## techn#gy an( simu#atin ! reservirpr(uctin system enab#e ptimum in!#% a##catin ! pr(uce( !#ui(s thrugh cntr##ing !#% tra*ectries in reservirs. )%ever, rea#time ptimum cntr# ! !#% is sti## cha##enging. T this en(, %e have (eve#pe( an a(vance( meth( !r ptimiatin ! pr(uctin base( n a !ee(bac/ ptimum cntr# cncept. 5 m(e# base( meth( a##%s ptimiatin ! in!#%cntr#(evice peratin in cn*unctin %ith strategic up(ating ! reservirsmart %e## m(e# un(er uncertainty. -n this meth(, the respnse ! pr(uctin system t cntr# variab#es is (escribe( by a highr(er m(e#. The va#i(ity ! this meth( is teste( n the (ynamic ptimum cntr# ! gas an( %ater cning using a physica# t%(imensina# #ayere( bea(pac/ an( autmatic
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
in!#% cntr# va#ves. Distribute( !#% r pressure sensrs are use( t actuate the va#ves. =th (ynamic 6time(epen(ent va#ve settings7 an( static 6!i8e( va#ve setting7 cntr# un(er uncertainty are investigate(. 5 +mprehensive Statistica##y=ase( Meth( t -nterpret &ea#Time #%ing e## Measurements 5. Danie# )i## 6%ith Te8as 5"M7, Larry . La/e, Ding Ohu 6%ith Te8as 5"M7 un(ing amunt' RA0,000 !r the peri( ! Sept. 2003 5ug. 200 T pr(uce mre i# !rm mre cmp#e8 an( har(ertreach reservirs, the natinBs pr(ucers have begun t emp#y a variety ! sphisticate( ne% (ri##ing appraches such as %e##s that e8ten( hrinta##y thrugh an i#bearing reservir, r that ra(iate ut !rm a centra# breh#e, r that branch in mu#tip#e (irectins. This pr*ect %i## (eve#p ne% meth(s !r measuring the entry ! i#, gas an( %ater int t hese
mre cmp#e8 %e##s. These meth(s are nee(e( t ta/e !u## a(vantage ! HsmartH %e## instrumentatin, a techn#gy that is rapi(#y ev#ving. HSmartH %e##s emp#y a variety ! (%nh#e sensrs t sen( in!rmatin !rm the bttm ! the h#e rapi(#y t peratrs n the sur!ace, enab#ing them t a(*ust (ri##ing an( pr(uctin t ptimie a %e##Bs per!rmance. See the prpsa# abstract !r mre in!rmatin. &esearch -ntiative' $re(icting Suc/er &( atigue ai#ure $au# =mmer $rb#em Statement The #i!e ! beam #i!t suc/er r(s is (i!!icu#t t pre(ict because ! the %i(e variety ! perating cn(itins. This has an ecnmic impact because the #nger suc/er r(s can be /ept in service the higher the pr!it !rm the %e##. &esearch Using actua# run time (ata it is pssib#e t pre(ict the #i!e ! suc/er r(s base( n the accumu#ate( stress histry ! the r(s. This has been ut#ine( an( carrie( ut !r severa# tria# (ata sets. hat is nee(e( t carry ut this research is nthing mre than access t %e## recr(s an( the abi#ity t e8tract the re9uire( (ata !rm the recr(s. &e!erences' •
•
=mmer, $au# M., H$re(icting Suc/er &( Li!e,H Suth%estern $etr#eum Shrt +urse $rcee(ings, 5pri# 22, 200R, Lubbc/, T8, p.110. =mmer, $au# M. an( $(i, 5.L., HThe =eam Li!t )an(b/,H $ETEJ, current#y i n !ina# e(iting stage.
+ntact' $au# =mmer +enter !r $etr#eum an( esystems Engineering 1 University Statin +0304 The University ! Te8as at 5ustin 5ustin, Te8as ARA12022R $hne' 6127 4A1120A 5J' 6127 4A10 Emai#' pmbmmer@mai#.ute8as.e(u
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
See the $r(uctin Engineering page !r in!rmatin n re#ate( research. e## +mp#etin an( Stimu#atin in Uncns#i(ate( San(s Mu/u# M. Sharma e## cmp#etin an( stimu#atin in uncns#i(ate( !rmatins has %i(e imp#icatins !r the US petr#eum in(ustry. Mst ! the pr(uctin in the u#! ! Me8ic cmes !rm uncns#i(ate( san(s. racpac/ cmp#etins are being !re9uent#y per!rme( in pr#y cns#i(ate(, highpermeabi#ity san( !rmatins t bypass %e## (amage an( enhance pr(uctivity. Despite the signi!icance ! the pr(uctin !rm uncns#i(ate( san(s !r the US, the (esign an( p#acement ! these cmp#etins in these san(s is !ten sub ptima# (ue t #ac/ ! prper (esign t#s. The e8isting m(e#s !r pre(icting !racturing in uncns#i(ate( san(s assume, t a #esser r greater e8tent, the thery ! Linear E#astic racture Mechanics !r !racture prpagatin. )%ever, !r very s!t, (ucti#e !rmatins, the assumptins ! #inear strain %ith n signi!icant p#astic (e!rmatin are nt va#i(. Measurements ! the stressstrain behavir ! uncns#i(ate( san(s cn(ucte( in ur #abs in(icate e#ast p#astic behavir. The primary b*ective ! this prpsa# is t (eve#p entire#y ne% m(e#s !r !racturing in uncns#i(ate( san(s thrugh a better un(erstan(ing ! the mechanisms ! !racturing in such san(s. e prpse t achieve this by the (ynamic cup#ing ! three m(e#s !r m(e#ing three cncurrent#y ccurring phenmena' a prepressure prpagatin m(e# t btain prepressure (istributin, a gemechanica# m(e# re#ating pre#astic stresses t permeabi#ity changes, an( a m(e# !r partic#e p#ugging t accunt !r permeabi#ity re(uctin (ue t partic#es in the !racturing !#ui( 6ge#s, prppants etc.7. This prpsa# prpses theretica# > e8perimenta# #ab stu(ies cmbine( %ith ana#ysis ! !ie#( resu#ts t gain insights int the prb#em. The m(e#s %i## be teste( %ith !ie#( (ata t cn!irm the e!!icacy ! the m(e#s. -t is anticipate( that the imprve( (esign %u#( increase the %e## pr(uctivity up t 0N. Spnsring rganiatins 1. 2. 3.
The University ! Te8as at 5ustin +nc She## -nternatina# E8p#ratin an( $r(uctin
)rod!ction engineering •
Mu#tiphase !#% in %e##s an( pipe#ines
•
$umping an( arti!icia# #i!t
•
#% assurance an( cn(itin mnitring
•
)y(rate !r transprt ! natura# gas
•
$rcessing ! i# an( gas
•
ie#( (eve#pment
Enhance( i# &ecvery 6E&7 an( Enhance( as &ecvery 6E&7 are a set ! techni9ues use( t imprve the recvery ! hy(rcarbns !rm i# an( gas !ie#(s. There are three main techni9ues use( t enhance
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
recvery' miscib#e !#(ing, chemica# !#(ing an( therma# recvery. Depen(ing the !ie#(, enhance( recvery techni9ues can signi!icant#y e8ten( the cmmercia# #i!e ! the !ie#( an( the amunt ! i# r gas recvere(.
The E&>E& research grup investigates imprve( i# an( gas recvery meth(s. The sch# has a !u##y e9uippe( E&>E& #abratry t cn(uct physica# e8periments at the cre sca#e. ;umerica# r ana#ytica# t#s are then use( t m(e# the e8perimenta# resu#ts. The sch#s capabi#ity t integrate cre sca#e e8periments t micr+T images enab#es us t investigate pre sca#e physics in an E&>E& prcess. 5 number ! research pr*ects are being cn(ucte( at the sch# ? 1. Iua#itative an( 9uantitative ana#ysis ! resi(ua# i# using Micr+T imaging. 2. +mpsitina# (isp#acements in hetergeneus reservirs. 3. i# recvery thrugh !inesassiste( %ater !#(ing. 4. ravity (rainage in natura##y !racture( reservirs. . +ptimiing enhance( i# recvery an( carbn (i8i(e strage by simu#taneus %ater an( carbn (i8i(e in*ectin. . Enhance( +a# =e( Methane 6E+=M7 recvery using carbn (i8i(e an( nitrgen in*ectin. A. E8perimenta# measurement ! carbn (i8i(ebrine re#ative permeabi#ities. r mre in!rmatin cntact Dr ur9an )ussain.
Dissertatin e8amine(' PSimu#atin ! )y(r(ynamic S#ug rmatin in Mu#tiphase #%#ines an( Separatin DevicesQ ;vember 200R Dissertatin' P-nvestigatin ! $r(uctivity ! )eavy i# +arbnates an( i# Sha#es Using E#ectrica# )eating Meth(sQ +&UO, $.S., &eservir Management DecisinMa/ing -n The $resence ! e#gica# Uncertainty. 23p. $hD Thesis ? Dept. ! $etr#eum Engineering, Stan!r( University, US5, 2000. M.Sc. Thesis' M(e#ing " Simu#atin Stu(ies n the E!!ect ! -nhibitrs -n*ectin int as &eservirs !r $reventing )y(rate rmatin. 5(visrs' $r!. 5.:atani, $r!. =.Thi(i, Dr 5.Faemi •
5#a(ahi, M.' P5na#ysis ! Mu#ti$hase +unter+urrent #% $henmena,Q $h.D. Thesis, The $ennsy#vania State University 6May 20017. arias, M.' PEva#uatin ! Dynamic S/in E!!ect as a $art ! ater!#(ing $er!rmance 5na#ysis,Q M.S. Thesis, The $ennsy#vania State Universit y 6December 20027.
Dissertatin Tpic' -nter!acia# $henmena in i#aterSan( Dispersins
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
DE:EL$ME;T 5;D 5$$L-+5T-;S $&DU+T-; $T-M-O5T-; TE+);-IUES & $ET&LEUM -ELDS
*+perimental and N!merical "odelling of ,as-lift avitation and (nsta/ility in 0il )rod!cing 1ells
as #i!t is ne ! the arti!icia# meth(s ! imprving pr(uctin capabi#ity ! %e##s cmp#ete( in hy(rcarbn reservirs. There are h%ever, a number ! cha##enges inv#ve( in the (esign ! such a system. This inc#u(es (ensity %ave prpagatin an( casing hea(ing cause( by cavitatin gas#i!t instabi#ity. Density%ave an( gas#i!t instabi#ity ccur (uring arti!icia# #i!t peratin %hen !#ui( %aves ! higher an( #%er (ensity mi8tures trave# thrugh a pr(uctin system an( create !#uctuatins in pressure an( !#% rate. This instabi#ity, %hich is (irect#y re#ate( t /inematic %ave prpagatin phenmenaK a#s re!erre( t as cntinuity %ave r vi( %ave, usua##y ccur un(er certain cn(itins in mu#tiphase transient system in bth cntinuus an( intermittent gas#i!te( %e##s an( may (egenerate int signi!icant sci##atins. Density%ave sci##atin is a (ynamic instabi#ity that is nrma##y impssib#e t !resee !rm /n%n meth(s that a((ress stabi#ity !r instance n(a# ana#ysis.
5 #t has been (ne t (emnstrate the ccurrence ! (ensity%ave sci##atin in gas#i!te( %e##s 6e.g. =ertui et a#., 13K i#bert 14, =#ic/ et a#. 1RRK 5sheim 1RRK +apucci an( Serra 11K 5#hanati, 13K is#e et a#. 2004K 5/an*i, 20147. Sme research has been (ne t (emnstrate the !unctin ! active cntr# by simp#e !ee(bac/ cntr# #p. )%ever, a practive, e!!ective an( rbust cntr# system that is capab#e ! mitigating against the in!#uence ! gas#i!t instabi#ity an( (ensity %ave sci##atin is yet t be !u##y researche( an( (eve#pe(. The success!u# can(i(ate %i## cntribute t current research in (eve#ping a nve# techni9ue ! imprving pr(uctin ptentia#s ! gas #i!te( %e##s. During the !irst year ! this pr*ect, a simp#i!ie( m(e# an( #abratry sca#e rig %i## be (esigne( t capture the cntr# structure an( estimate the cntr##er parameter settings. The m(e# an( cntr# strategy %i## be teste( using a (ynamic mu#tiphase simu#atr (uring the secn( year. ;umerica# simu#atin ! %e## m(e#s ! gas#i!t gemetries cnstructe( using cmputer ai(e( (esign pac/age an( (iscretise( n unstructure( mesh %u#( be use( in numerica# simu#atin an( m(e##ing ! the #ayere( i# reservir. The imp#icatins n u#timate recvery %i## a#s be eva#uate(. The success!u# can(i(ate shu#( have, r e8pect t have an )nurs Degree at 2.1 r abve 6r e9uiva#ent7 in $etr#eum Engineering r re#ate( (iscip#ines. Fn%#e(ge !' $etr#eum Engineering Labratry s/i##s, +ntr# systems an( +5D > numerica# (esign $rgramming %ith +GG r rtran r :isua# =asic (esirab#e
un(ing ;tes' There is n !un(ing attache( t this pr*ect it is !r se#!!un(e( stu(ents n# y.
&e!erences' 5/an*i L T 2014 $r(uctin ptimisatin ! a as#i!te( Dua#+mp#etin !!shre ;igeria. Eurpean 5rti!icia# Li!t rum 6Eu5L 20147, 5ber(een, UF. 5#hanati < S an( Schmi(t O an( Dty D & an( Lagere! D D 13 +ntinuus asLi!t -nstabi#ity' Diagnsis, +riteria, an( S#utins, S$E 24, presente( at the Rth 5nnua# Technica# +n!erence an( E8hibitin )e#( in )ustn, TJ, 3 ctber. 5sheim ) 1RR +riteria !r as Li!t Stabi#ity, <$T 6;vember7, pp14214.
Tabassum Yasmin Lecturer in Mech. Engg. Dept. University ! Engineering " Techn#gy, $esha%ar
Sep. 11, 2014
=ertui 5 an( e#chn < F an( $ettmann ) 13 Descriptin an( 5na#ysis ! an E!!icient +ntinuus#% asLi!t -nsta##atin Trans., 5-ME 1R, 2A1AR. =#ic/ E E an( Enga $ ; an( Lin( $ + 1RR Theretica# Stabi#ity 5na#ysis ! #%ing i# e##s an( as#i!t e##s, S$E $r(uctin Engineering 6;vember7, pp0414. +apucci E + an( Serra F : 11 Transient 5spect ! Un#a(ing i# e##s Thrugh asLi!t :a#ves, S$E 22A1, presente( at the th S$E 5nnua# Technica# +n!erence an( E8hibitin he#( in Da##as, TJ. i#bert E 14 #%ing an( asLi!t e## $er!rmance, Dri##. " $r(. $rac. 5$- 12. is#e E an( Lars - an( =*arne 2004 Stabi#iatin ! as#i!te( e##s =ase( n State Estimatin. -5+ 5pp#icatin $rcess' rma# app#icatins can be cmp#ete( n#ine' http'>>%%%.ab(n.ac.u/>pstgra(uate>app#y. Yu shu#( app#y !r $hD in Engineering, t ensure that yur app#icatin is passe( t the crrect +##ege !r prcessing. $#ease ensure that yu 9ute the pr*ect tit#e an( supervisr n the app#icatin !rm. -n!rma# in9uiries can be ma(e t Dr L 5/an*i 6#.a/an*i@ab(n.ac.u/7 %ith a cpy ! yur curricu#um vitae an( cver #etter. 5## genera# en9uiries shu#( be (irecte( t the ra(uate Sch# 5(missins Unit 6cpsgra(@ab(n.ac.u/7.