Ngwa mkpuchi mmanụ:

A na-eji mmanụ olulu mmiri eme ihe na-ejikarị eme ihe n'ịgbapụta ihe na mgbe emechara nkwado mgbidi nke ọma, iji hụ na a na-arụ ọrụ nke ọma na nke ọma nke ọma dum mgbe emechara. N'ihi ọnọdụ dị iche iche geological dị iche iche, n'okpuru ala ọnọdụ nrụgide dị mgbagwoju anya, na ime ihe zuru oke nke nkwụsịtụ, mkpakọ, na-ehulata na nrụgide torsional na ahụ ọkpọkọ na-etinye n'ihu ihe ndị dị elu chọrọ maka àgwà nke casing n'onwe ya. Ozugbo casing n'onwe ya mebiri emebi n'ihi ihe ụfọdụ, ọ nwere ike iduga. mmepụta mbelata nke ọma dum, ma ọ bụ ọbụna scrap.

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 olu 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, trapezoidal eri na ma ọ bụ na-enweghị ihe mkpuchi, eriri ogologo, nhazi njedebe pụrụ iche. , mgbanaka akara ewu.

Ọkwa igwe maka mkpuchi mmanụ ala:

Enwere ike kewaa ọkwa nchara mmanụ dị iche iche dịka ike nke igwe n'onwe ya si dị, 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) ule hydrostatic, ule flattening, sulfide stress corrosion cracking test, hardness test (ASTME18 ma ọ bụ E10 kacha ọhụrụ), tensile ule, transverse mmetụta ule (ASTMA370, ASTME23 na ọhụrụ ụdị nke ụkpụrụ dị mkpa) dị ka ndokwa nke American Petroleum Institute APISPEC5CT1988 mbipụta mbụ Ok), mkpebi nke nha ọka (ASTME112 ụdị ọhụrụ ma ọ bụ usoro ọzọ)

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 isi nkọwa bụ 139.77. 72R-2, 177.89.19R-2, 244.58.94R-2, 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, mpịaji ahụ ọkpọkọ, eriri agbaji na eriri siri ike na-enweghị ndidi, ijikọ uru J n'enweghị ndidi, yana nsogbu dị n'ime ya dị ka mgbawa ọkụ. na obere mkpụrụ ike nke casing.

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