Indlela yokukhetha i-sleeve stabilizer

I-sleeve stabilizer iyithuluzi elifakwe entanjeni ye-casing ukuze maphakathi nentambo ye-casing emthonjeni. Inezici zesakhiwo esilula, ukusetshenziswa okulula, impilo ende yesevisi, nezindleko eziphansi. Umsebenzi oyinhloko we-sleeve stabilizer yilokhu:

l Nciphisa ukunemba kwe-casing, thuthukisa ukusebenza kahle kwe-cementation displacement, uvimbele ngempumelelo udaka lukasimende emiseleni, uqinisekise izinga likasimende, futhi uzuze umphumela omuhle wokuvala.

l Ukusekelwa kwe-sleeve stabilizer ku-casing kunciphisa indawo yokuxhumana phakathi kwe-casing kanye nodonga lomthombo, ngaleyo ndlela kunciphisa amandla okungqubuzana phakathi kwe-casing nodonga lomthombo, okuzuzisa ukuthi i-casing ihanjiswe lapho igijima emthonjeni futhi ukufaka usimende.

l Nciphisa ubungozi bokunamathela kwegobolondo endaweni encane futhi wehlise ubungozi bokunamathela kwekesi. I-sleeve stabilizer igxilisa i-casing futhi iyivimbele ekunamatheleni ngokuqinile odongeni lomthombo. Ngisho nasezigabeni zomthombo ezinokungena kahle, i-casing cishe ayinakubanjwa amaqebelengwane odaka akhiwe ukuhluka kwengcindezi futhi abangele ukubhoboza imigodi.

l I-sleeve stabilizer inganciphisa izinga lokugoba le-casing emthonjeni, ngaleyo ndlela inciphise ukuguga kwe-casing ngethuluzi lokubhoboza noma amanye amathuluzi okukhipha amanzi ngesikhathi sokumba ngemuva kokufakwa kwe-casing, futhi idlala indima ekuvikeleni i-casing.

Kunezinhlobo ezehlukene zeziqinisi zemikhono, futhi ukukhethwa kwazo nokubekwa kwazo kuvame ukusekelwe kokuhlangenwe nakho ngesikhathi sokusetshenziswa kwendawo, sintula isifinyezo sethiyori esihlelekile nocwaningo. Ngokuthuthuka okwandayo kokumbiwa okuya emithonjeni eyinkimbinkimbi njengemithombo ejulile kakhulu, imithombo emikhulu yokufuduka, nemithombo evundlile, iziqinisi zemikhono ezivamile azisakwazi ukuhlangabezana nezidingo zokwakha ngaphansi komhlaba. Ngakho-ke, kuyadingeka ukwenza ukuhlaziya okuhlelekile nokuqhathanisa izici zesakhiwo, ukusebenziseka, kanye nokubekwa kahle kwezinhlobo ezahlukene zeziqinisi zemikhono ukuze kuqondiswe imisebenzi yokwakha esizeni.

Ukuhlukaniswa nezici zama-casing centralizers

Ngokwezimo zangempela zomthombo kanye nezici zesakhiwo, izinqubo zokukhiqiza, kanye nezinto zokuqiniswa kwemikhono, iziqinisi zemikhono zihlukaniswe ngezinhlobo ezahlukene. Ngokwamazinga embonini ye-petroleum, iziqinisi zemikhono zivame ukuhlukaniswa zibe iziqinisi ezinwebekayo kanye neziqinisi eziqinile.

1.1 Ukuhlukaniswa nezici zobuchwepheshe zeziqinisi ezinwebekayo

I-Elastic centralizer uhlobo lokuqala nolusetshenziswa kakhulu lwe-centralizer. Inezindleko eziphansi zokukhiqiza, izinhlobo ezahlukahlukene, kanye nezici zokuguquguquka okukhulu namandla okubuyisela. Akuqinisekisi kuphela ukugxila kwe-casing, kodwa futhi kunokudlula okuhle kwezigaba zomthombo ezinezinguquko ezinkulu zobubanzi, kunciphisa ukumelana nokungqubuzana kokufakwa kwe-casing, futhi kuthuthukise ukufana kokuhlanganiswa kwe-cement phakathi kwe-casing kanye nomthombo.

1.2 Ukuhlukaniswa nezici zobuchwepheshe zeziqinisi eziqinile

Ngokungafani neziqinisi ezinwebekayo, iziqinisi eziqinile ngokwazo azikho ukuwohloka okunwebekayo, futhi ububanzi bawo bangaphandle buklanyelwe ukuba bube buncane kunosayizi webhithi yokubhoboza, okuholela ekuphikiseni okuphansi kokufaka, okubenza bafanelekele ukusetshenziswa kumthombo ovamile we-wellbore kanye ne-casing.

Ukukhetha okufanelekile kwendlela yokuhlanganisa yama-centralizers we-casing kanye nokubekwa

Izinzinzisi zemikhono ezihlukene zinezinzuzo zazo kanye nokubi ngenxa yomehluko wesakhiwo, impahla, kanye nenqubo yokukhiqiza, futhi zifanele izimo zemithombo ehlukene. Uhlobo olufanayo lwe-casing centralizer, ngenxa yezindlela ezihlukene zokubeka nesikhala, lungaphinda luphumele emiphumeleni ehlukene yokuhlanganisa kanye nokungqubuzana kwe-casing. Isibonelo, uma i-centralizer ibekwe ngokuqinile kakhulu, izokwandisa ukuqina kwentambo ye-casing, okwenza kube nzima ukufaka i-casing nokwandisa izindleko zokusebenza; Ukubekwa okunganele kweziqinisi kungase kubangele ukuthintana okudlulele phakathi kwekesi nomthombo, okuholela ekumisweni kahle kwebhokisi futhi kuthinte ikhwalithi yokusamende. Ngakho-ke, ngokuya ngezinhlobo nemibandela ehlukene yemithombo, ukukhetha isibambisi semikhono esifanele kanye nenhlanganisela yokubeka kubalulekile ekwehliseni ukungqubuzana kwe-casing kanye nokwenza ngcono i-casing centering.