OCTG ọkpọkọa na-ejikarị eme ihe maka igwu mmanụ na olulu mmiri na ibufe mmanụ na gas.Ọ na-agụnye ọkpọkọ egwu mmanụ, mkpuchi mmanụ, na ọkpọkọ mpụta mmanụ.OCTG ọkpọkọa na-ejikarị ejikọta olu mgbawa na draịva na-ebufe ike mkpọpu.A na-eji mkpuchi mmanụ mmanụ na-akwado olulu mmiri mgbe a na-egwupụta ya na mgbe emechara ya, iji hụ na ọ na-arụ ọrụ nke ọma na olulu mmiri mmanụ dum n'oge a na-egwupụta ya na mgbe emechara ya.A na-ebufe mmanụ na gas dị n'okpuru olulu mmiri mmanụ ahụ n'elu site na tube na-agbapụta mmanụ.
Ihe mkpuchi mmanụ bụ ụzọ ndụ maka ịnọgide na-arụ ọrụ nke olulu mmanụ.N'ihi ọnọdụ ala dị iche iche, ọnọdụ nrụgide dị n'okpuru ala dị mgbagwoju anya, yana mmetụta mgbagwoju anya nke mgbagwoju anya, mkpakọ, na-ehulata na nrụgide n'ahụ casing na-eme ka ihe dị elu chọrọ maka ịdị mma nke casing n'onwe ya.Ozugbo akpa ahụ n'onwe ya mebiri emebi n'ihi ihe ụfọdụ, ọ nwere ike ibute mbelata mmepụta ma ọ bụ ọbụna kpochapu olulu mmiri dum.
Dị ka ike nke ígwè n'onwe ya si dị, enwere ike kewaa casing n'ime ọkwa nchara dị iche iche, ya bụ J55, K55, N80, L80, C90, T95, P110, Q125, V150, wdg. Igwe nchara eji eme ihe dịgasị iche dabere na ọnọdụ ọma. na omimi.N'ebe ndị na-emebi emebi, a na-achọkwa ka mkpuchi ahụ n'onwe ya nwere nguzogide corrosion.N'ebe ndị nwere ọnọdụ ala dị mgbagwoju anya, a na-achọkwa ka mkpuchi ahụ nwere ọrụ mgbochi ọdịda.
I.ihe ọmụma bụ isi OCTG Pipe
1. Pụrụ iche okwu metụtara mmanụ ala pipe nkọwa
API: ọ bụ mbiri nke American Petroleum Institute.
OCTG: Ọ bụ mbiri nke Oil Country Tubular Goods, nke pụtara tubing kpọmkwem mmanụ, gụnyere mkpuchi mmanụ emechachara, ọkpọkọ ọkpọkọ, olu olu, hoops, nkwonkwo mkpụmkpụ na ihe ndị ọzọ.
Ngwunye mmanụ: tub nke a na-eji n'olulu mmanụ maka mmịpụta mmanụ, mmịpụta gas, ịgba mmiri na mgbawa acid.
Casing: Tub nke a na-ewedata site n'elu ụwa n'ime olulu mmiri a gwuruworo dị ka ihe mkpuchi iji gbochie ọdịda nke mgbidi olulu mmiri ahụ.
Ọkpụkpọ ọkpọkọ: Ọkụ a na-eji agba olulu mmiri.
Ọkpụkpọ ahịrị: ọkpọkọ eji ebu mmanụ ma ọ bụ gas.
Circlips: Cylinder na-ejikọta ọkpọkọ eriri abụọ nwere eriri ime.
Ngwongwo ihe eji eme ihe: Pipe eji eme ihe eji eme ihe.
Eriri API: eriri ọkpọkọ akọwapụtara site na ọkọlọtọ API 5B, gụnyere eriri gburugburu ọkpọkọ mmanụ, eriri okirikiri dị mkpụmkpụ, eriri okirikiri ogologo ogologo, eriri trapezoidal casing offset, eriri ọkpọkọ na ihe ndị ọzọ.
Mkpuchi Pụrụ Iche: eri na-abụghị API nwere njirimara akara pụrụ iche, njikọ njikọ na ihe ndị ọzọ.
Ọdịda: nrụrụ, mgbaji, mmebi elu na mfu nke ọrụ mbụ n'okpuru ọnọdụ ọrụ akọwapụtara.Ụdị isi nke ọdịda mkpuchi mmanụ bụ: extrusion, slippage, rupture, leakage, corrosion, bonding, wear and so na.
2. Petroleum metụtara ụkpụrụ
API 5CT: Nkọwapụta casing na tubing (ugbu a ụdị nke 8th kacha ọhụrụ)
API 5D: Nkọwapụta ọkpọkọ (ụdị nke 5th kacha ọhụrụ)
API 5L: nkọwapụta ọkpọkọ ọkpọkọ (ụdị nke 44 kachasị ọhụrụ)
API 5B: Nkọwapụta maka igwe, nha na nyocha nke casing, ọkpọkọ mmanụ na eriri ahịrị
GB / T 9711.1-1997: Ọnọdụ teknụzụ maka nnyefe nke ọkpọkọ ígwè maka ụgbọ njem mmanụ na gas - Nkebi 1: Ọkụ ígwè A.
GB / T9711.2-1999 Ọnọdụ nka nke nnyefe nke ọkpọkọ ígwè maka njem mmanụ na gas - Nkebi 2: Ọkwa B ígwè ọkpọkọ
GB/T9711.3-2005: Ọnọdụ nkà na ụzụ nke nnyefe nke ọkpọ ígwè maka ụgbọ njem nke ụlọ ọrụ mmanụ na mmanụ gas Nkebi 3: ọkwa C Steel Pipe
ⅡỌkpụkpọ mmanụ
1. Nhazi nke ọkpọkọ mmanụ
A na-ekewa ọkpọkọ mmanụ ka ọ bụrụ tubing na-adịghị ewe iwe (NU), tubing External Upset (EU), na tubing nkwonkwo.Ọkụ na-adịghị ewe iwe na-ezo aka na ọkpọkọ ọkpọkọ nke a na-agbanye eri na-enweghị oke ma kwadebere ya na njikọ.Ọkụ na-ewe iwe na-apụ apụ na-ezo aka na ọkpọkọ ọkpọkọ abụọ agbagoro na mpụga, wee kechie eri ma tinye ya na mkpọ.Ngwakọta tubing jikọtara ọnụ na-ezo aka na ọkpọkọ jikọtara ya kpọmkwem na-enweghị njikọ, na-etinye otu njedebe site na eriri dị n'ime ime nke dị n'ime ya na njedebe nke ọzọ site na eriri dị n'ime ahụ gbanyere mkpọrọgwụ.
2.Oru nke tubing
①, mmịpụta mmanụ na gas: mgbe a na-agbanye mmanụ na mmanụ gas na ciment, a na-etinye tubing na mkpuchi mmanụ iji wepụ mmanụ na gas na ala.
②, ntụtụ mmiri: mgbe nrụgide ala ezughị ezu, gbanye mmiri n'ime olulu mmiri site na tubing.
③, Ngwunye Steam: N'ime usoro mgbake ọkụ nke oke mmanụ, a ga-etinye uzuoku n'olulu mmiri ahụ na ọkpọkọ mmanụ mkpuchi.
(iv) Acidizing na fracturing: N'oge ikpeazụ nke igwu olulu mmiri ma ọ bụ iji meziwanye mmepụta mmanụ na olulu mmiri, ọ dị mkpa itinye acidizing na nke na-agbaji ma ọ bụ ihe na-agwọ ọrịa na mmanụ na gas oyi akwa, na ọkara na A na-ebufe ihe na-agwọ ọrịa site na ọkpọkọ mmanụ.
3. Steel ọkwa mmanụ mmanụ
The ígwè akara ule nke mmanụ anwụrụ bụ: H40, J55, N80, L80, C90, T95, P110.
A na-ekewa N80 n'ime N80-1 na N80Q, ha abụọ bụ otu ihe eji eme ihe nke otu, ọdịiche abụọ ahụ bụ ọkwa nnyefe na mmetụta arụmọrụ dị iche iche, nnyefe N80-1 site na steeti nkịtị ma ọ bụ mgbe okpomọkụ ikpeazụ na-atụgharị dị ukwuu karịa okpomọkụ dị egwu Ar3 na mbelata erughị ala mgbe ikuku jụrụ oyi, enwere ike iji ya chọta ụzọ ọzọ iji normalize ọkụ na-ekpo ọkụ, mmetụta na ule na-adịghị emebi emebi adịghị achọ;N80Q ga-ewe iwe (imenyụ na iwe) ọgwụgwọ okpomọkụ, ọrụ mmetụta kwesịrị ịdị na ntinye nke API 5CT, ma bụrụ ule na-adịghị emebi emebi.
E kewara L80 na L80-1, L80-9Cr na L80-13Cr.Njirimara igwe ha na ọkwa nnyefe bụ otu.Ọdịiche dị na ojiji, ike mmepụta na ọnụahịa, L80-1 maka ụdị izugbe, L80- 9Cr na L80-13Cr bụ tubing na-eguzogide corrosion dị elu, ihe isi ike mmepụta, dị oke ọnụ, a na-ejikarị olulu mmiri corrosion dị arọ.
A na-ekewa C90 na T95 n'ụdị 1 na ụdị 2, ya bụ, C90-1, C90-2 na T95-1, T95-2.
4.A na-ejikarị ọkwa ígwè, ọkwa ọkwa na nnyefe nke ọkpọkọ mmanụ
Ọkwa ọkwa igwe ọkwa nnyefe
J55 mmanụ ọkpọkọ 37Mn5 flat mmanụ ọkpọkọ: na-ekpo ọkụ akpọrepu kama normalized
Ọkpụkpọ mmanụ gbara ọkpụrụkpụ: a na-ahazi ogologo ogologo ya mgbe ọ gbasasịrị.
N80-1 tubing 36Mn2V Flat-ụdị tubing: na-ekpo ọkụ akpọrepu kama ahaziri
Ọkpụkpọ mmanụ gbara ọkpụrụkpụ: a na-ahazi ogologo ogologo ya mgbe ọ gbasasịrị
N80-Q mmanụ ọkpọkọ 30Mn5 ogologo ogologo tempering
L80-1 mmanụ ọkpọkọ 30Mn5 zuru-ogologo tempering
P110 mmanụ ọkpọkọ 25CrMnMo ogologo-ogologo tempering
J55 njikọ 37Mn5 na-ekpo ọkụ akpọrepu na ntanetị
N80 na-ejikọta 28MnTiB tempering ogologo
L80-1 njikọta 28MnTiB iwe ogologo oge
P110 Clamps 25CrMnMo Ogologo ogologo zuru oke
Ⅲ.Casing
1, Categories na ọrụ nke casing
Casing bụ ọkpọkọ ígwè na-akwado mgbidi mmanụ na gas olulu mmiri.A na-eji ọtụtụ akwa akwa akwa na olulu mmiri nke ọ bụla dịka omimi dị iche iche na-egwupụta ihe na ọnọdụ ala.A na-eji ciment na-eji ciment nke ihe mkpuchi ahụ mgbe ọ gbadara n'ime olulu mmiri ahụ, n'adịghịkwa ka ọkpọkọ mmanụ na ọkpọkọ, enweghị ike iji ya mee ihe ọzọ ma bụrụ nke ihe ndị a na-ekpofu ihe.Ya mere, oriri nke casing bụ ihe karịrị 70% nke mmanụ olulu mmiri niile.Enwere ike kewaa casing n'ime: conduit, mkpuchi elu, mkpuchi teknụzụ na mkpuchi mmanụ dịka ojiji ya si dị, na ihe owuwu ha dị na olulu mmanụ ka egosiri na foto dị n'okpuru.
2.Conductor casing
tumadi eji maka mkpọpu mmiri n'oké osimiri na ọzara iji kewaa oké osimiri na ájá iji hụ na ezigbo ọganihu nke mkpọpu mmiri, isi nkọwa nke oyi akwa nke 2.casing bụ: Φ762mm (30in) × 25.4mm, Φ762mm (30in) × 19.06mm.
Ihe mkpuchi ihu: A na-ejikarị ya eme ihe maka mgbapu nke mbụ, na-egwupụta ihe na-emeghe elu nke strata rụrụ arụ na akwa akwa, iji mechie akụkụ a nke strata ahụ ka ọ ghara ịdaba, ọ dị mkpa ka ejiri mkpuchi elu kpuchie ya.The isi nkọwa nke elu casing: 508mm (20in), 406.4mm (16in), 339.73mm (13-3 / 8in), 273.05mm (10-3 / 4in), 244.48mm (9-5 / 9in), wdg. Ihe omimi nke ọkpọkọ mgbada na-adabere na omimi nke nhazi dị nro.Ihe omimi nke ọkpọkọ dị ala na-adabere na omimi nke stratum rụrụ arụ, nke na-adịkarị 80 ~ 1500 m.Nrụgide mpụga na nke ime ya abụghị nnukwu, ọ na-anabatakwa ọkwa nchara K55 ma ọ bụ ọkwa nchara N80.
3.Technical casing
A na-eji ihe mkpuchi teknụzụ na-eme ihe na-emepụta ihe na-emepụta ihe dị mgbagwoju anya.Mgbe ị na-ezute akụkụ ndị dị mgbagwoju anya dị ka oyi akwa dara ada, akwa mmanụ, oyi akwa gas, mmiri oyi akwa, ntanye ntanye, oyi akwa nnu nnu, wdg, ọ dị mkpa iji tinye ihe mkpuchi teknụzụ iji mechie ya, ma ọ bụghị ya, a pụghị ime ihe ọkụkụ ahụ.Ụfọdụ olulu mmiri dị omimi ma dị mgbagwoju anya, na omimi nke olulu mmiri ahụ ruru puku kwuru puku mita, ụdị olulu mmiri dị otú a kwesịrị itinye ọtụtụ ọkwa nke mkpuchi teknụzụ, ihe ndị na-arụ ọrụ ya na ihe ndị na-emechi emechi chọrọ dị oke elu, iji akara akara ígwè bụ. Ọzọkwa elu, na mgbakwunye na K55, ọzọ bụ ojiji nke N80 na P110 grades, a na-ejikwa ụfọdụ olulu mmiri dị omimi na Q125 ma ọ bụ ọbụna karịa na-abụghị API akara ule, dị ka V150.Isi nkọwa nke teknuzu casing bụ: 339.73 Isi nkọwa nke teknuzu casing bụ ndị a: 339.73mm (13-3 / 8in), 273.05mm (10-3 / 4in), 244.48mm (9-5 / 8in), 219.08mm (8-5 / 8in), 193.68mm (7-5 / 8in), 177.8mm (7in) na na.
4. Ihe mkpuchi mmanụ
Mgbe a na-egwupụta olulu mmiri na ebe a na-aga ebe (okpukpu nke nwere mmanụ na gas), ọ dị mkpa iji mkpuchi mmanụ na-ekpuchi mmanụ na gas na elu nke ekpughere, na n'ime mkpuchi mmanụ bụ akwa mmanụ. .Ngwunye mmanụ na ụdị casing niile na omimi miri emi, ihe eji arụ ọrụ ya na ihe njiri arụ ọrụ akara ya bụkwa nke kachasị elu, iji ọkwa nchara K55, N80, P110, Q125, V150 na ndị ọzọ.The isi nkọwa nke guzobe casing bụ: 177.8mm (7in), 168.28mm (6-5 / 8in), 139.7mm (5-1 / 2in), 127mm (5in), 114.3mm (4-1 / 2in), wdg Ihe mkpuchi ahụ bụ nke kachasị dị omimi n'etiti ụdị olulu mmiri niile, yana arụmọrụ ya na njikwa akara ya kachasị elu.
V.Drill ọkpọkọ
1. Nhazi na ọrụ nke ọkpọkọ maka mkpọpu ngwá ọrụ
Ọkpụkpọ ọkpọkọ nke square, ọkpọkọ ọkpọkọ, ọkpọkọ a na-akpụ akpụ na-akpụ akpụ na olu olu n'ime ihe eji eme ihe na-etolite ọkpọkọ.Ọkpụkpụ a na-egwupụta ihe bụ isi ihe na-egwupụta ihe nke na-eme ka ihe ọkụkụ ahụ si n'ala ruo na ala nke olulu mmiri ahụ, ọ bụkwa ọwa site na ala ruo n'ala nke olulu mmiri ahụ.Ọ nwere ọrụ atọ bụ isi: ① na-ebufe torque iji kwọọ ihe ọkụkụ ahụ ka ọ na-egwupụta;② ịdabere n'ịdị arọ nke ya ka ọ na-arụgide ihe na-eme ka ọ ghara imebi nkume na ala nke olulu mmiri;③ na-ebufe mmiri mmiri na-asa olulu mmiri, ya bụ, apịtị a na-egwupụta ala site na nfuli apịtị dị elu, n'ime olulu mmiri nke kọlụm na-egwupụta mmiri ka ọ banye n'ime ala nke olulu mmiri ahụ iji kpochapu ihe mkpofu nkume ma mee ka ọ dị jụụ. ma buru ihe mkpofu nkume site na oghere anular n'etiti elu elu nke kọlụm na mgbidi nke olulu mmiri iji laghachi n'ala, iji nweta nzube nke igwu mmiri.Kpoo ọkpọkọ n'ime usoro mgbapu ka ọ na-eguzogide ibu dị iche iche dị mgbagwoju anya, dị ka nkwụsịtụ, mkpakọ, torsion, na-ehulata na nrụgide ndị ọzọ, elu dị n'ime na-enwekwa ike ịcha akwa na corrosion.
(1) ọkpọkọ ọkpọkọ: square ọkpọkọ nwere ụdị abụọ nke quadrilateral ụdị na hexagonal ụdị, China si mkpọpu mmanụ mkpara nke ọ bụla nke akuakuzinwo kọlụm na-emekarị na-eji a quadrilateral ụdị ịkụ ọkpọ ọkpọ.Nkọwa ya bụ: 63.5mm (2-1 / 2in), 88.9mm (3-1 / 2in), 107.95mm (4-1 / 4in), 133.35mm (5-1 / 4in), 152.4mm (6in) na ya mere na.Ọtụtụ mgbe, ogologo a na-eji bụ 12 ~ 14.5m.
(2) Ọkpụkpọ ọkpọ: Drill pipe bụ ngwá ọrụ bụ isi maka igwu olulu mmiri, jikọtara ya na njedebe ala nke ọkpọkọ ọkpọkọ square, na ka olulu mmiri na-aga n'ihu na-emewanyewanye, ọkpọkọ ahụ na-anọgide na-agbatị kọlụm nke igwu mmiri n'otu n'otu.Nkọwa nke ọkpọkọ ọkpọkọ bụ: 60.3mm (2-3 / 8in), 73.03mm (2-7 / 8in), 88.9mm (3-1 / 2in), 114.3mm (4-1 / 2in), 127mm (5in). ), 139.7mm (5-1 / 2in) na na.
(3) Ngwunye ọkpọkọ dị arọ: ọkpọkọ ọkpọkọ dị arọ bụ ngwá ọrụ mgbanwe na-ejikọta ọkpọkọ ọkpọkọ na olu, nke nwere ike imeziwanye ọnọdụ ike nke ọkpọkọ ọkpọkọ yana ịbawanye nrụgide na nkwụsịtụ.Nkọwa kachasị nke ọkpọkọ ọkpọkọ dị arọ bụ 88.9mm (3-1 / 2in) na 127mm (5in).
(4) Ngwunye olu: a na-ejikọta olu olu ahụ na akụkụ ala nke ọkpọkọ ọkpọkọ, nke bụ ọkpọkọ pụrụ iche nke nwere mgbidi dị elu nke nwere nnukwu siri ike, na-arụ ọrụ na-agbaji nkume ahụ, ma nwee ike ịrụ ọrụ nduzi mgbe. na-egwupụta olulu mmiri kwụ ọtọ.The nkịtị nkọwa nke akuakuzinwo olu akwa bụ: 158.75mm (6-1 / 4in), 177.85mm (7in), 203.2mm (8in), 228.6mm (9in) na na.
V. Line ọkpọkọ
1, Classification nke ahịrị ọkpọkọ
A na-eji pipeline eme ihe na mmanụ na mmanụ gas maka njem mmanụ, mmanụ a nụchara anụcha, gas gas na mmiri pipeline na ọkpọ ígwè maka mkpụmkpụ.Ụgbọ njem nke mmanụ na gas na-ekewa n'ime pipeline isi, alaka ụlọ ọrụ na pipeline pipeline nke ime obodo na pipeline atọ dị iche iche, eriri ntinye pipeline nke nkọwa nke mbụ maka ∮ 406 ~ 1219mm, mgbidi mgbidi nke 10 ~ 25mm, ọkwa ígwè X42 ~ X80;alaka pipeline na obodo mepere emepe pipeline pipeline nke mbụ nkọwa maka # 114 ~ 700mm, mgbidi ọkpụrụkpụ nke 6 ~ 20mm, ígwè ọkwa X42 ~ X80.Nkọwapụta mbụ maka pipeline feeder na pipeline mepere emepe bụ 114-700mm, ọkpụrụkpụ mgbidi 6-20mm, ọkwa igwe X42-X80.
Line pipe nwere welded ígwè ọkpọkọ, nwekwara enweghị nkebi ígwè ọkpọkọ, welded ígwè ọkpọkọ na-eji karịa enweghị nkebi ígwè ọkpọkọ.
2, Line ọkpọkọ ọkọlọtọ
Line anwụrụ ọkọlọtọ bụ API 5L "pipeline ígwè anwụrụ nkọwapụta", ma China na 1997 promulgated abụọ mba ụkpụrụ maka pipeline pipeline: GB / T9711.1-1997 "mmanụ na gas ụlọ ọrụ, akụkụ mbụ nke teknuzu ọnọdụ nke nnyefe nke ígwè ọkpọkọ. : A-ọkwa ígwè ọkpọkọ" na GB / T9711.2-1997 "mmanụ na gas ụlọ ọrụ, nke abụọ nke oru ọnọdụ nke nnyefe nke ígwè ọkpọkọ: B-ọkwa ígwè ọkpọkọ".Steel Pipe", ụkpụrụ abụọ a dabara na API 5L, ọtụtụ ndị ọrụ ụlọ na-achọ ka ebubata ụkpụrụ mba abụọ a.
3, Banyere PSL1 na PSL2
PSL bụ mbiri nke ọkwa nkọwapụta ngwaahịa.Line pipe ngwaahịa nkọwa larịị na-ekewa PSL1 na PSL2, nwekwara ike kwuru na àgwà larịị kewara PSL1 na PSL2.PSL1 dị elu karịa PSL2, ọkwa nkọwapụta 2 abụghị naanị ihe nyocha dị iche iche, na ihe mejupụtara kemịkalụ, ihe akụrụngwa akụrụngwa chọrọ dị iche, yabụ dị ka API 5L si kwuo, usoro nkwekọrịta ahụ na mgbakwunye na ịkọwapụta nkọwapụta, ọkwa nchara. yana ihe ngosi ndị ọzọ a na-ahụkarị, mana ga-egosirịrị ọkwa nkọwapụta ngwaahịa, ya bụ, PSL1 ma ọ bụ PSL2.
PSL2 n'ime ihe mejupụtara kemịkalụ, ihe ndị na-adịghị ike, ike mmetụta, nnwale na-adịghị emebi emebi na ihe ngosi ndị ọzọ siri ike karịa PSL1.
4, pipeline ọkpọkọ ígwè ọkwa na chemical mejupụtara
Line pipe ígwè ọkwa si ala ruo elu na-ekewa n'ime: A25, A, B, X42, X46, X52, X60, X65, X70 na X80.
5, eriri ọkpọkọ mmiri nrụgide na-adịghị ebibi chọrọ
Ekwesịrị ịme ọkpọkọ eriri site na ule hydraulic alaka ụlọ ọrụ, na ọkọlọtọ anaghị ekwe ka ọgbọ na-emebi emebi nke nrụgide hydraulic, nke bụkwa nnukwu ọdịiche dị n'etiti ọkọlọtọ API na ụkpụrụ anyị.
PSL1 anaghị achọ nnwale na-adịghị emebi emebi, PSL2 kwesịrị ịbụ alaka ụlọ ọrụ nnwale na-adịghị emebi emebi.
Njikọ VI.Premium
1, Okwu Mmalite nke Premium Njikọ
Mgbochi pụrụ iche dị iche na eri API nwere nhazi pụrụ iche nke eriri ọkpọkọ.Ọ bụ ezie na a na-eji ihe mkpuchi mmanụ API dị ugbu a mee ihe n'ọtụtụ ebe na nrigbu nke ọma mmanụ, a na-egosipụta nhụsianya ya nke ọma na gburugburu ebe obibi pụrụ iche nke ụfọdụ ubi mmanụ: API gburugburu threaded pipe kọlụm, ọ bụ ezie na arụmọrụ akara ya ka mma, ike nkwụsị nke eriri ahụ na-ebu. akụkụ bụ nanị 60% na 80% nke ike nke ọkpọkọ ahụ, n'ihi ya, a pụghị iji ya mee ihe na nrigbu olulu mmiri miri emi;na API biased trapezoidal threaded pipe kọlụm, arụmọrụ nkwụsị nke akụkụ eriri ahụ bụ naanị ike nke ọkpọ ahụ, ya mere a pụghị iji ya mee ihe na olulu mmiri miri emi;API biased trapezoidal threaded pipe kọlụm, arụmọrụ ike ya adịghị mma.Ọ bụ ezie na arụmọrụ tensile nke kọlụm ahụ dị elu karịa nke njikọ eri gburugburu API, arụmọrụ akara ya adịghị mma, n'ihi ya, a pụghị iji ya mee ihe na nrigbu olulu mmiri dị elu;na mgbakwunye, eriri eri nwere ike rụọ ọrụ ya na gburugburu ebe okpomọkụ dị n'okpuru 95 ℃, n'ihi ya, a pụghị iji ya na-erigbu olulu mmiri dị elu.
E jiri ya tụnyere eriri gburugburu API yana njikọ eriri trapezoidal akụkụ, Njikọ adịchaghị enwe ọganihu n'ime akụkụ ndị a:
(1) ezigbo akara, site na imewe nke na-agbanwe na metal akara Ọdịdị, nke mere na nkwonkwo gas sealing iguzogide iru ókè nke tubing ahụ n'ime mkpụrụ mgbali;
(2) ike dị elu nke njikọ ahụ, yana njikọ Njikọ adịchaghị nke mkpuchi mmanụ, ike nke njikọ ahụ ruru ma ọ bụ karịa ike nke tubing ahụ, iji dozie nsogbu nke ịpụpụ isi;
(3) site na ihe nhọrọ na n'elu ọgwụgwọ usoro mmezi, isi edozi nsogbu nke eri arapara kechie;
(4) site na njikarịcha nke nhazi ahụ, nke mere na nkesa nrụgide nkwonkwo na-eme ka ọ bụrụ ihe ezi uche dị na ya, na-eme ka iguzogide nrụgide nrụgide;
(5) site na ubu Ọdịdị nke ezi uche imewe, nke mere na na kechie ọrụ dị mfe na-ebu.
Ka ọ dị ugbu a, ụwa ewepụtala ụdị njikọ adịchaghị 100 nwere teknụzụ nwere ikike.
Oge nzipu: Feb-21-2024