Izicelo Zokugcina Usimende & Inqubo Yokusetha

Cement Retainers Izicelo

A. Imisebenzi Yokufaka Kasimende Eyisisekelo

Izinto ezigcina usimende ziyingxenye yenqubo yokuqala yokufaka usimende ngesikhathi sokwakhiwa komthombo. Ngemva kokubhoboza umthombo, igobolondo lensimbi lifakwa embobeni ukuze kuvinjelwe ukubhidlika nokuvikela umthombo. Isikhala se-annular phakathi kwe-casing kanye nomthombo bese sigcwaliswa ngosimende ukuze kuvikelwe i-casing endaweni futhi kwakhiwe uphawu oluthembekile. Izibambi zikasimende zidlala indima ebalulekile ekuqinisekiseni ukuthi usimende ubekwa lapho kudingeka khona, ukuvimbela ukufuduka koketshezi phakathi kwezindawo zemithombo ehlukene. Lolu hlelo lokusebenza lubalulekile ekusunguleni ukuhlukaniswa kwendawo kanye nokwenza kahle ubuqotho kusukela ekuqaleni.

B. Imisebenzi yokulungisa:

Ezimeni lapho izimo zemithombo yomthombo zishintsha noma izinkinga ngokuhlukaniswa kwendawo ziphakama ngesikhathi sokuphila komthombo, izibambi zikasimende zingase zisetshenziswe emisebenzini yokulungisa. Le misebenzi ingase ihlanganise ukulungiswa kweshede likasimende, ukuhlukaniswa kabusha kwezindawo ezithile, noma ukulungiswa komklamo wokuphothula. Izibambi zikasimende ezisetshenziswa emisebenzini yokulungisa zinesandla ekugcineni noma ekubuyiseleni ubuqotho bomthombo, ukubhekana nezinselele ezingase zivele ngenxa yezinguquko zedamu noma izidingo zokusebenza.

C. Wellbore Ubuqotho kanye Nempumelelo:

Ukusetshenziswa okuphelele kwezigcini zikasimende kusekelwe emnikelweni wazo wobuqotho bomthombo kanye nokusebenza kahle. Ngokuvimbela ukuxhumana koketshezi phakathi kwezindawo ezihlukene, izigcini zikasimende zivikela ibhalansi yemvelo yendawo yokugcina amanzi, zikhulise ukukhiqizwa, futhi zinciphise izingozi ezifana nokuphuma kwamanzi noma igesi. Ukuqinisekisa ukuhlukaniswa kwendawo ngokusebenzisa izigcinasimende kubaluleke kakhulu empumelelweni eqhubekayo nokusebenza kwemithombo kawoyela negesi kuyo yonke impilo yabo yokusebenza.

D. Ukuhlukaniswa Kwendawo Okukhethiwe:

Izibambi zikasimende nazo zithola ukusetshenziswa ezimeni lapho kudingeka khona ukuhlukaniswa kwendawo okukhethekile. Isibonelo, emthonjeni onezindawo eziningi ezikhiqizayo, isibambi sikasimende singabekwa ngendlela ehlelekile ukuze sihlukanise indawo eyodwa kuyilapho sivumela ukukhiqizwa okuqhubekayo noma umjovo usuka kwenye. Lokhu kuhlukaniswa okukhethekile kwenza opharetha balawule amandla e-reservoir ngempumelelo futhi balungise ukukhiqizwa kahle ukuze kuhlangatshezwane nezinjongo ezithile zokusebenza.

E. Igalelo Ekuqhekekeni Kwe-Hydraulic:

Emithonjeni esebenza ngokuqhekeka kwe-hydraulic fracturing, izinto ezigcina usimende zidlala indima ebalulekile ekuhlukaniseni izingxenye ezahlukene zomthombo. Ngokuhlinzeka ngokuhlukaniswa kwendawo, baqinisekisa ukuthi uketshezi oluqhekekayo luqondiswe ekubunjweni okuhlosiwe, okuthuthukisa ukusebenza kahle kwenqubo yokuqhekeka kanye nokwenza ngcono ukutholakala kwe-hydrocarbon.

F. Ukuqedwa ngesisetshenziswa se-Downhole:

Ngesikhathi sokuphothula, izigcina zikasimende zingasetshenziswa ngokuhambisana nemishini yokudonsa amanzi njengamapaki. Le nhlanganisela ithuthukisa ukuhlukaniswa kwendawo ngokudala umgoqo phakathi kwezinto zokuqedela kanye nomthombo ozungezile, okunomthelela ekusebenzeni kahle komthombo kanye nokuzinza.

Empeleni, izigcina zikasimende zinezinhlelo zokusebenza ezihlukene ezigabeni ezahlukene zokwakhiwa kwemithombo yamanzi, ukuqedwa, nokungenelela. Ukuzivumelanisa nezimo nokusebenza kahle kwazo kuzenza zibe ithuluzi elibalulekile ku-toolkit yabasebenzi bakawoyela negesi, okunomthelela empumelelweni nasekusebenzeni kahle kwemithombo.

Inqubo Yokusetha Izigcini Zesimende

A. Run on Tubing noma Drill Pipe:

Izibambi zikasimende zivame ukufakwa emgodini kusetshenziswa ishubhu noma ipayipi lokubhoboza, kuye ngomklamo womthombo kanye nezidingo zokusebenza. Ukukhetha phakathi kweshubhu nepayipi lokubhoboza kuthonywa izici ezinjengokujula komthombo, uhlobo lwesigcini sikasimende esisetshenziswayo, kanye nezinjongo eziqondile zokusebenza kukasimende noma ukuqeda. Ukugijima kumashubhu kuvumela ukuguquguquka okwengeziwe mayelana nokulungiswa kokujula nokungenelela komthombo, kuyilapho ukuthunyelwa kwamapayipi okubhoboza kuvame ukusetshenziswa emithonjeni ejulile noma imithombo enezimo eziyinselele.

B. Izindlela Zokusetha:

1. Isilungiselelo sikaMechanical:

Izindlela zokusethwa kwemishini zibandakanya izingxenye ezifana neziliphu, izinja, noma amaweji asebenzisana ne-wellbore casing noma ukwakheka. Uma kwenziwa kusebenze, lezi zakhi zemishini zinikeza ihange elivikelekile nelithembekile lesigcini sikasimende. Ukulungiselelwa kwemishini kwaziwa ngobulula nokusebenza kwayo, okuyenza ibe yinketho evamile ezimeni ezihlukahlukene zemithombo yamanzi.

2. Isilungiselelo se-Hydraulic:

Izindlela zokusethwa kwe-hydraulic zisebenzisa umfutho woketshezi ukuze zenze isigcini sikasimende sisebenze futhi sisibeke endaweni oyifunayo. Iphistoni elingu-hydraulic noma indlela efanayo ingase isetshenziswe ukuze kunwetshwe futhi kumiswe ithuluzi. Isilungiselelo seHydraulic sinikeza ukulawula okunembayo phezu kwenqubo yokuphakelwa, okuvumela ukulungiswa okusekelwe ezimeni zehole. Le ndlela iwusizo ikakhulukazi emithonjeni enengcindezi ehlukahlukene kanye nama-gradients okushisa.

3. Ezinye Izindlela Zokusetha:

Ubuchwepheshe obusha buyaqhubeka nokuqhuba intuthuko ekusetheni izindlela. Ezinye izigcini zikasimende zingasebenzisa izibangeli zikagesi noma ze-acoustic, zandise ububanzi bezinketho zokusebenzisa nokusetha ithuluzi. Ukukhethwa kwendlela yokusetha ethile kuncike ezintweni ezifana nezimo zemithombo yamanzi, uhlobo lwesigcini sikasimende, nezinga lokulawula elifiselekayo phakathi nokufakwa.

Inqubo yokufaka ihilela ukucatshangelwa ngokucophelela kwalezi zindlela, ngenhloso yokufinyelela ukubekwa okuphephile nokuthembekile kwesigcini sikasimende ngaphakathi komthombo. Indlela yokusetha ekhethiwe inomthelela ekusebenzeni kwethuluzi ekudaleni umgoqo kanye nokugcina ukuhlukaniswa kwendawo.

Impumelelo iyonke yenqubo yokufaka incike ekuqondeni okuphelele kwendawo yemithombo yamanzi, ukubambelela emikhubeni engcono kakhulu, kanye nokukhethwa kwendlela efaneleke kakhulu yokuphakelwa ngokusekelwe ezidingweni ezithile zokusebenza komthombo kawoyela negesi.

Ama-Cement Retainers avela ku-Vigor asebenza ngazo zombili izindlela zemishini nezintambo. Lezi zigcini ezibolekayo zibekwe ngokuvikelekile kunoma iyiphi ikesi yokuqina. Indandatho yokukhiya i-ratchet igcina amandla okusetha kusigcini. Isici sokupakisha ucezu olulodwa nezindandatho ezisekela insimbi zihlanganisa uphawu oluphakeme. Ikesi libe lukhuni, ucezu olulodwa luyashelela luqeda ukusetha ngaphambi kwesikhathi, nokho lungabhobolwa kalula. Ayatholakala ku-4 1/2through 20" casing. Uma unentshisekelo ku-Vigor's Cement Retainers sicela ungangabazi ukusithinta ukuze uthole ubuchwepheshe obuchwepheshile kanye nemikhiqizo yekhwalithi engcono kakhulu.

Ukuze uthole ulwazi olwengeziwe, ungabhalela ibhokisi lethu lemeyiliinfo@vigorpetroleum.com&marketing@vigordrilling.com