Ngwa mkpuchi mmanụ:

A na-eji mmanụ olulu mmiri eme ihe na-ejikarị eme ihe n'ịgba mmiri na mgbe emechara nkwado mgbidi olulu mmiri, iji hụ na usoro ịgbapu mmiri na arụ ọrụ nkịtị nke ọma dum mgbe emechara ya.Due ka ọnọdụ dị iche iche geological dị iche iche, ọnọdụ nrụgide n'okpuru ala dị mgbagwoju anya, na ime ihe zuru oke nke tensile, mkpakọ, na-ehulata na torsional nrụgide na ọkpọkọ n'onwe ya na-eme ka ọ dị elu nke na-achọ ka ọ dị elu na-eme ka ahụ ya dịkwuo elu. n'ihi ihe ụfọdụ, ọ nwere ike ibute mbelata mmepụta nke olulu mmiri dum, ma ọ bụ ọbụna nsị.

Ụdị mkpuchi mmanụ:

Dị ka SY/T6194-96 "petroleum casing", enwere ike kewaa ya n'ụdị abụọ: obere eriri eriri na olu ya na mkpuchi ogologo eriri na akwa ya.

Ọkọlọtọ casing mmanụ na nkwakọ ngwaahịa:

Dị ka SY / T6194-96 si kwuo, a ga-ejikọta ihe mkpuchi ụlọ na eriri ígwè ma ọ bụ eriri ígwè. Akụkụ ahụ ekpughere nke mkpuchi ọ bụla na eriri olu kwesịrị ka ejiri mgbanaka nchebe kpuchie eriri ahụ.

A ga-enye ihe mkpuchi ahụ na eri na akwa akwa dị ka API SPEC 5CT1988 mbipụta mbụ ma ọ bụ na nke ọ bụla n'ime ụdị njedebe ọkpọkọ ndị a: njedebe dị larịị, eriri gburugburu na-enweghị olu ma ọ bụ olu akwa, eriri trapezoidal na-akwụ ụgwọ ma ọ bụ na-enweghị olu, eriri ogologo, nhazi njedebe pụrụ iche, mgbanaka mgbanaka.

Ọkwa igwe maka mkpuchi mmanụ ala:

Enwere ike kewaa ọkwa ọkwa nchara dị iche iche dịka ike nke nchara n'onwe ya, ya bụ H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P-110, Q-125, wdg.Ọnọdụ dị iche iche nke ọma, ịdị omimi nke ọma, iji ọkwa ígwè dị iche iche. A na-achọkwa mkpuchi mkpuchi n'onwe ya ka ọ bụrụ ihe na-eguzogide corrosion na gburugburu ebe obibi.

Usoro mgbako arọ nke mkpuchi mmanụ bụ nke a:

KG / m = ( dayameta dị n'èzí - mgbidi mgbidi) * mgbidi mgbidi * 0.02466

Ogologo mkpuchi mmanụ:

Enwere ụdị ogologo atọ nke API akọwapụtara: R-1 4.88 ruo 7.62m, R-2 7.62 ruo 10.36m, R-3 10.36m ka ogologo.

Ụdị eriri akpa mmanụ mmanụ:

API 5CTỤdị eriri akpa mmanụ mmanụ na-agụnye STC (kechie okirikiri dị mkpụmkpụ), LTC (kechie okirikiri ogologo), BTC (kechie ubube akụkụ akụkụ), VAM (kechie eze) na ụdị eriri ndị ọzọ.

Nyocha arụmọrụ anụ ahụ nke mkpuchi mmanụ mmanụ:

(1) Dị ka SY / T6194-96. Iji mee ule flattening (GB246-97) tensile test (GB228-87) na hydrostatic ule.

(2) hydrostatic test, flattening test, sulfide stress corrosion cracking test, hardness test (ASTME18 ma ọ bụ E10 ọhụrụ version), tensile ule, transverse mmetụta ule (ASTMA370, ASTME23 na ọhụrụ version nke dị mkpa ụkpụrụ) dị ka ndokwa nke American Petroleum Institute APISPEC5CT198 nke mbụ mbipụta nke Ok1 (ASTME370, ASTME23).

Mbubata na mbupu mmanụ:

(1) Mba ndị bụ isi mbubata nke mkpuchi mmanụ bụ: Germany, Japan, Romania, Czech Republic, Italy, United Kingdom, Austria, Switzerland, United States, Argentina, Singapore na-ebubatakwa.Ụkpụrụ mbubata na-ezo aka na American Petroleum Institute ọkọlọtọ API5A, 5AX, 5AC.Steel grade is H-40, J-55, N-80, P-110, C-75, C-95 and so on.The main specifications are 139.77.72R-2, 177.89.124R-2, 29R-2,2.8 244.510.03R-2, 244.511.05r-2, wdg.

(2) Enwere ụdị ogologo atọ nke API akọwapụtara: R-1 bụ 4.88 ~ 7.62m, R-2 bụ 7.62 ~ 10.36m, R-3 bụ 10.36m ka ogologo.

(3) Akụkụ nke ngwa ahịa ebubatara ka akara LTC, ya bụ, eriri eriri filament.

(4) Na mgbakwunye na ụkpụrụ API, ọnụ ọgụgụ dị nta nke ohia si Japan na-agbaso ụkpụrụ nke ndị na-emepụta Japan (dị ka Nippon Steel, Sumitomo, Kawasaki, wdg), nọmba ígwè bụ NC-55E, NC-80E, NC-L80, NC-80HE, wdg.

(5) N'okwu ndị a na-azọrọ, enwere ntụpọ dị ka eriri ojii, mmebi eriri waya, mpịakọta ọkpọkọ, eriri agbajiri agbaji na eri siri ike nke enweghị ndidi, ijikọ ọnụ ahịa J nke ndidi, yana nsogbu dị n'ime ahụ dị ka mgbawa na-agbaji na obere ike nke casing.

Njirimara igwe nke klaasị igwe ọ bụla nke mkpuchi mmanụ ala: