Casing Failure Due to Production

1. Tr we tra mi lif si wi dri an in lo op su De fe w ad tra va [1] ab w str co bu S H 2 t i a A ge tra du ea Ek si res res du fiel INTROD jectory opt llbore desi jectory ena nimum geos for casing nificant to h reference lling has hi increasing lude multip ation. Con imization i face locatio spite the i reference rk, numeric antages o jectory. A iables as an [2]), the ormally hi ich the cas esses can be lapse, she ckling, and t RMA 12 rajecto asing en, Xinp alliburton, opyright 2012 his paper was 012. his paper was he paper by a embers. Elect prohibited. P bstract must co STRACT: I stress directi ectory optimi ing petroleu ier to drill an ofisk petrole ulated at the ervoir scale. I ults were ana ing the opti d scale phen CTION imization is n. A deli bles drillin tress loads a s. Trajector rojects in to a given torically be number of e wellbores equently, t creases wit to a reservo portance of apers are a al methods each po key issue i index. Acc principal t gh geostres ng was sub classified as r failure, ensile plasti 198 y Opti ailure ; Bai, M.; ouston, Tex RMA, America prepared for p elected for pre inimum of two ronic reproducti ermission to re ntain conspicu n the past, tr on and fault zation proces production. d will ensure m field was global level nelastic-visco lyzed to sele ization proce menon. a fundame erately opt g to be nd promote optimizati hich wellb platform. A en an offsh field deve drilled fro he necessit h the const ir geometry. trajectory o ailable on t are adopte ssible choi s the choic rding to ke pes of ca zones an jected to pr follows: co axial plas failure in t izatio ue to W. Standi s, USA n Rock Mecha resentation at t entation at the technical revie ion, distribution, produce in pri us acknowledg ajectory opti structure, to s: pore press After consid the longevity performed to ith a full fie deformation t the optima ss such that ntal aspect imized wel erformed a longer se n is partic res are desi lthough plat re consider lopment de a single su for traje raint of a ptimization, is subject. I to evaluat e of wel e of mecha references sing failur /or in cas oduction-ind pressive in tic compre e axial direc for Of roducti ird, W.; ics Association he 46 th US Ro symposium by ers. The mate , or storage of a t is restricted t ement of where ization of a aximize the re depletion ering these a of casing util evaluate the ld perspectiv of the reservo wellbore tra fine mesh c of a bore nder rvice larly gned form tion, signs rface ctory fixed very this the bore nical (e.g., in s in uced ward ssive tion. 2. O Ca th pr fo str co sta w pr op bl pa m se de co T str m yi str lo co wi shore n-Indu itchell, R. k Mechanics / an ARMA Tech ial, as present ny part of this o an abstract and by whom t wellbore ref penetration r istory, creep ditional para ity. A numeri suitability o , and casing ir and fluid fl jectory. The n be adopted GEOTEC TIMAL T sing and tu well con duction (o mations) m ength and fu mponent of bility, prev ter from p ssures duri erations. It wout prev ckers, and p jor part of ection of c pth are nsiderations. e fundamen esses in the terial, a fai ld strength ess. To eva ding cond mpared to t dely accept ells an ced Co Geomechanics nical Program d, does not ne aper for comm f not more tha he paper was p erred to the ate. This pap property of r meters, a wel cal example this trajecto ailure was c ow in porous rimary subm for casing fa HNICAL AJECTO ing strings truction. A injecting ust be case nctionality. a well. It is nt contami roducing f ng drilling, provides loc nters, well roduction tu the overall sing size, g primary e tal compone pipe wall e lure conditi is a measur luate the pi tions, the he yielding ed yielding d Num pactio Symposium h ommittee base essarily reflect rcial purposes n 300 words; il resented. design of a er considers cks, and inte lbore traject f casing and ry design tec lculated at a media was ca odel and sec ilure predicti CASING IES are the mai ll wells dr materials i with mate Casing is th needed to ation of wa rmations, a production ations for t ead equip bing. The c well cost; rade, conne gineering nt of casing ceed the yie on exists. e of the ma pe strength uniaxial y condition. criterion i rical P n ld in Chicago, d on a technica any position of without the writ llustrations may ell path, inc dditional par raction betwe ry can be de wellbore traje hnique. Seab secondary su lculated. Thre ndary subm on within the ESIGN n compone illed for o to undergr rial of suff major stru aintain bor ter sands, i nd control , and wor e installati ent, produ st of casin onsequentl tors, and s and econ design is t ld strength onsequently imum allo under com eld strengt erhaps the s based o edictio IL, USA, 24-2 l and critical re ARMA, its offic ten consent of not be copied luding a pre ameters duri en rock and c signed that w ctory design ed subsidenc model level e sets of num del were bal background ND ts of l/gas ound cient tural ehole olate well over n of ction is a , the tting omic at if f the , the able ined h is most the of June iew of ers, or ARMA . The erred g the asing ill be n the was at the erical nced f the

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Casing Failure Due to Production