Aikace-aikacen rumbun mai:

Amfani da man rijiyar hakowa ne yafi amfani a cikin hakowa tsari da kuma bayan kammala rijiyar bango goyon bayan, domin tabbatar da hakowa tsari da kuma na al'ada aiki na dukan rijiyar bayan kammala.Due ga daban-daban geological yanayi, da karkashin kasa danniya jihar ne hadaddun, da kuma m mataki na tensile, matsawa, lankwasawa da torsional damuwa a kan bututun jiki da kanta ya lalace saboda ingancin casing da kanta saboda da ingancin casing. saboda wasu dalilai, yana iya haifar da raguwar samar da rijiyar gabaɗaya, ko ma datti.

Nau'in rumbun mai:

A cewar SY/T6194-96 “cakudin man fetur”, ana iya raba shi zuwa nau’i biyu: gajeriyar zaren casing da abin wuyanta da doguwar zaren casing da abin wuyanta.

Matsakaicin rumbun mai da marufi:

Dangane da SY/T6194-96, ya kamata a ɗaure casing na cikin gida da waya ta ƙarfe ko bel ɗin ƙarfe. Ya kamata a rufe ɓangaren da aka fallasa kowane sutura da zaren abin wuya tare da zoben kariya don kare zaren.

Za a ba da casing tare da zaren da abin wuya bisa ga API SPEC 5CT1988 bugu na farko ko a cikin kowane nau'i na ƙarshen bututu masu zuwa: ƙarshen ƙarshen, zaren zagaye ba tare da abin wuya ko abin wuya ba, zaren trapezoidal na diyya tare da ko ba tare da abin wuya ba, madaidaiciyar zaren, aiki na ƙarshe na musamman, ginin zobe na hatimi.

Matsayin ƙarfe don cakuɗen mai:

Oil casing karfe sa za a iya raba daban-daban karfe maki bisa ga ƙarfin karfe kanta, wato H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P-110, Q-125, da dai sauransu.Yanayin rijiyoyi daban-daban, zurfin zurfi, yin amfani da matakin ƙarfe kuma ya bambanta. Hakanan ana buƙatar casing kanta don zama mai jurewa lalatawa a cikin yanayin lalata.

Tsarin lissafin nauyi na kaskon mai shine kamar haka:

KG/ m = (diamita na waje - kauri na bango) * kaurin bango * 0.02466

Tsawon rumbun mai:

Akwai nau'ikan tsayi guda uku da API ya kayyade: R-1 4.88 zuwa 7.62m, R-2 7.62 zuwa 10.36m, R-3 10.36m zuwa tsayi.

Nau'in tulun rijiyar mai:

API 5CTNau'in rijiyar rijiyar mai sun haɗa da STC (gajeren zagayen zagaye), LTC (dogon zagaye), BTC (tsani mai ban sha'awa), VAM (sarkin sarƙaƙƙiya) da sauran nau'ikan zare.

Duban aikin jiki na kwandon man fetur:

(1) A cewar SY/T6194-96.Don yin gwajin gwaji (GB246-97) gwajin tensile (GB228-87) da gwajin hydrostatic.

(2) gwajin hydrostatic, gwajin flattening, sulfide danniya lalata fatattaka gwajin, taurin gwajin (ASTME18 ko E10 latest version), tensile gwajin, transverse tasiri gwajin (ASTMA370, ASTME23 da sabuwar siga na dacewa nagartacce) bisa ga tanadi na American Petroleum Institute APISPEC5CT1988 farko edition na hatsi APISPEC5CT198)

Shigowa da fitarwar mai:

(1) Manyan ƙasashen da ake shigowa da su na kason mai sune: Jamus, Japan, Romania, Czech Republic, Italiya, United Kingdom, Austria, Switzerland, Amurka, Argentina, Singapore suma ana shigo da su.Ma'auni na shigo da kaya suna komawa zuwa Cibiyar Man Fetur ta Amurka daidaitaccen API5A, 5AX, 5AC.Karfe shine H-40, J-55, N-80, P-110, C-75, C-95 da sauransu. Babban ƙayyadaddun bayanai sune 139.77.72R-2, 177.89.124R-2, 29R-2. 244.510.03R-2, 244.511.05r-2, da dai sauransu.

(2) Akwai tsayi iri uku da API ya kayyade: R-1 shine 4.88 ~ 7.62m, R-2 shine 7.62 ~ 10.36m, R-3 shine 10.36m zuwa tsayi.

(3) Wani ɓangare na kayan da aka shigo da su ana yiwa alama da LTC, watau filament buckle sleeve.

(4) Baya ga ka'idodin API, ƙananan bushing da aka shigo da su daga Japan suna bin ka'idodin masana'antun Japan (irin su Nippon Karfe, Sumitomo, Kawasaki, da sauransu), lambobin ƙarfe sune NC-55E, NC-80E, NC-L80, NC-80HE, da sauransu.

(5) A cikin shari'ar da'awar, akwai lahani irin su baƙar fata, lalacewar igiyar waya, nadawa jikin bututu, karyewar zare da tazara mai nisa daga juriya, haɗaɗɗiyar ƙimar J ba tare da juriya ba, da kuma matsalolin ingancin ciki kamar gaggautsa da ƙarancin ƙarfi na casing.

Kaddarorin injina na kowane nau'in ƙarfe na casin man fetur: