Aikace-aikacen rumbun mai:

An yi amfani da shi don hako rijiyar mai a cikin aikin hakowa da kuma bayan kammala tallafin bangon rijiyar, don tabbatar da aikin hakowa da kuma aiki na yau da kullum na rijiyar gaba daya bayan kammalawa.Saboda yanayin yanayi daban-daban, karkashin kasa. yanayin damuwa yana da wuyar gaske, kuma cikakken aikin da aka yi na ƙwanƙwasa, matsawa, lankwasawa da damuwa na torsional a kan bututun jiki yana gabatar da buƙatu mafi girma don ingancin casing kanta. Da zarar casing kanta ya lalace saboda wasu dalilai, zai iya haifar da rage samar da rijiyar gaba daya, 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 layi, zaren zagaye ba tare da abin wuya ko abin wuya ba, zaren trapezoidal tare da ko ba tare da abin wuya ba, madaidaiciyar zaren, aiki na ƙarshe na musamman. , Hatimi zobe yi gini.

Matsayin ƙarfe don cabu mai:

Oil casing karfe sa za a iya raba daban-daban karfe maki bisa ga ƙarfin karfe da 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 gwajin fatattaka, gwajin taurin (ASTME18 ko E10 latest version), tensile gwajin, transverse tasiri gwajin (ASTMA370, ASTME23 da sabuwar siga na dacewa matsayin) bisa ga tanadi na Cibiyar Man Fetur ta Amurka APISPEC5CT1988 bugu na farko Ok), ƙayyadaddun girman hatsi (ASTME112 sabuwar sigar ko wata hanya)

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.Matsayin shigo da kaya yana nufin ma'aunin Cibiyar Man Fetur ta Amurka API5A, 5AX, 5AC.Karfe shine H-40, J-55, N-80, P-110, C-75, C-95 da sauransu. Babban ƙayyadaddun bayanai shine 139.77. 72R-2, 177.89.19R-2, 244.58.94R-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 adadin 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 dai sauransu.

(5) A cikin shari'ar da'awar, an sami lahani irin su baƙar fata, lalacewar igiyar waya, nadawa jikin bututu, karyewar zaren da nisa mai nisa ba tare da haƙuri ba, haɗakar darajar J ba tare da haƙuri ba, da kuma matsalolin ingancin ciki kamar gatsewa. da ƙarancin yawan amfanin ƙasa na casing.

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