Casing ke peipi ea tšepe e tšehetsang mabota a liliba tsa oli le khase. Seliba se seng le se seng se sebelisa likarolo tse 'maloa tsa casing ho latela botebo ba ho cheka le jeoloji. Casing ka mor'a hore seliba se sebelise samente ho samente, casing le tubing, phala ea ho cheka e fapane, e ke ke ea sebelisoa hape, ke ea tšebeliso ea nako e le 'ngoe ea thepa. Ka hona, tšebeliso ea lik'hasete e nka karolo e fetang 70% ea lipeipi tsohle tsa liliba tsa oli. Casing e ka aroloa ka phala, casing ea holim'a metsi, casing ea tekheniki le lera la oli ho ea ka tšebeliso, 'me sebopeho sa bona se ka har'a seliba sa oli se bontšoa setšoantšong.
Pipe: e sebelisoa haholo ho cheka leoatleng le lehoatateng, ho arola metsi a leoatle le lehlabathe, ho etsa bonnete ba ho phunngoa ha boreleli, lintlha tsa mantlha tsa lera lena la casing ke: ∮762mm(30in) ×25.4mm, ∮762mm(30in) ×19.06mm.
Ho cheka ka holim'a metsi: ho sebelisoa haholo-holo bakeng sa ho cheka pele, ho cheka mobu o bonolo ho ea lejoeng, e le ho tiisa karolo ena ea fatše ntle le ho putlama, ho hlokahala hore ho sebelisoe mokotla o ka holimo bakeng sa ho tiisa. Litlhaloso tsa mantlha tsa casing ea bokaholimo: 508mm(20in), 406.4mm(16in), 339.73mm(13-3/8in), 273.05mm(10-3/4in), 244.48mm(9-5/8in), joalo-joalo. botebo ba phala bo itšetlehile ka botebo ba sebopeho se bonolo, seo ka kakaretso e leng 80 ~ 1500m. Khatello ea eona ea ka ntle le khatello ea ka hare ha e kholo, ka kakaretso e sebelisa k55 ea tšepe ea tšepe kapa ea N80 ea tšepe.
Theknoloji ea casing: e sebelisoa ts'ebetsong ea ho cheka ea sebopeho se rarahaneng, ha se kopana le lera la ho putlama, lera la oli, lera la khase, lera la metsi, lesela le lahlehileng, lesela la letsoai le likarolo tse ling tse rarahaneng, le hloka ho tiisoa, ho seng joalo ho cheka ho ka khoneha. e se ke ea etsoa. Metsi a mang a tebile ebile a rarahane, 'me botebo ba seliba ke limithara tse likete, seliba sena se tebileng se hloka likarolo tse' maloa tsa casing ea tekheniki, thepa ea eona ea mochine le litlhoko tsa ts'ebetso ea ho tiisa li phahame, tšebeliso ea tšepe ea tšepe e boetse e phahame, ho phaella ho K55, ho feta N80 le P110 kereiti ea tšepe, tse ling tse tebileng Wells li boetse li sebelisa Q125 kapa boemo bo phahameng ba tšepe bo sa API joalo ka V150. Litlhaloso tsa mantlha tsa casing ea tekheniki ke: 339.73mm (13-3/8in), 273.05mm (10-3/4in), 244.48mm (9-5/8in), 219.08mm (8-5/8in), 193.68 limilimithara(7-5/8in), 177.8mm(7in), joalo-joalo.
Oil layer casing: Ha o phunya ka har'a lera le shebiloeng (sebaka se behang oli le khase), hoa hlokahala ho tiisa lesela la oli le khase le sebopeho se kaholimo se pepesitsoeng ka casing ea oli, 'me phala ea oli e ka har'a sekoaelo sa oli. Mefuteng eohle ea casing casing, botebo ba ho cheka ke bona bo tebileng ka ho fetisisa, 'me thepa ea eona ea mochine le litlhoko tsa ts'ebetso ea ho tiisa le tsona ke tse phahameng ka ho fetisisa. Limaraka tsa tšepe ke K55, N80, P110, Q125, V150 joalo-joalo. Litlhaloso tsa mantlha tsa polokelo ea polokelo ke: 177.8mm(7in),168.28mm(6-5/8in),139.7mm(5-1/2in),127mm(5in),114.3mm(4-1/2in), joalo-joalo. .
Nako ea poso: Oct-13-2023
Room 703 Building B, Greenland center, Hi-tech development zone Xi'an, China
86-13609153141
