OCTG Paipuhoʻohana nui ʻia no ka ʻeli ʻana i nā ʻaila a me nā luawai a me ka lawe ʻana i ka aila a me ke kinoea.Loaʻa iā ia nā paipu hoʻoheheʻe aila, nā pahu ʻaila, a me nā paipu ʻaila.OCTG Paipuhoʻohana nui ʻia e hoʻopili i nā kola drill a me nā drill bits a hoʻouna i ka mana drilling.Hoʻohana nui ʻia ka pahu petrola e kākoʻo i ka luawai i ka wā wili a ma hope o ka hoʻopau ʻana, e hōʻoia i ka hana maʻamau o ka pūnāwai aila holoʻokoʻa i ka wā o ke kaʻina hana ʻana a ma hope o ka pau ʻana.ʻO ka ʻaila a me ke kinoea ma lalo o ka pūnāwai aila e lawe nui ʻia i ka ʻili e ka ʻaila pumping tube.
ʻO ka pahu aila ke ola no ka mālama ʻana i ka hana o nā pūnāwai aila.Ma muli o nā kūlana geological like ʻole, paʻakikī ke kūlana koʻikoʻi ma lalo o ka honua, a ʻo nā hopena i hui pū ʻia o ka ʻāʻī, ka hoʻopiʻi ʻana, ke kuʻi ʻana, a me ke koʻikoʻi torsion ma ke kino casing e koi i nā koi kiʻekiʻe no ka maikaʻi o ka casing ponoʻī.Ke hoʻopōʻino ʻia ka pahu ponoʻī no kekahi kumu, hiki ke alakaʻi i kahi hōʻemi o ka hana ʻana a i ʻole ka ʻoki ʻana i ka pūnāwai holoʻokoʻa.
E like me ka ikaika o ke kila pono'ī, hiki ke hoʻokaʻawale ʻia ka pahu i nā ʻano kila like ʻole, ʻo ia hoʻi ʻo J55, K55, N80, L80, C90, T95, P110, Q125, V150, a me nā mea ʻē aʻe. a me ka hohonu.I loko o nā kaiapuni corrosive, pono nō hoʻi e loaʻa i ka casing ponoʻī ke kūpaʻa corrosion.Ma nā wahi me nā kūlana geological paʻakikī, pono nō hoʻi e loaʻa i ka casing ka hana anti collapse.
I.ka ike kumu OCTG Pipe
1, Nā huaʻōlelo kūikawā e pili ana i ka wehewehe ʻana i ka paipu ʻaila
API: ʻo ia ka pōkole o ka American Petroleum Institute.
ʻOCTG: ʻO ia ka pōkole o Oil Country Tubular Goods, ʻo ia hoʻi ka ʻaila-specific tubing, me ka pahu ʻaila i hoʻopau ʻia, ka paipu drill, nā kola drill, nā hoops, nā hono pōkole a pēlā aku.
ʻAila Tubing: Hoʻohana ʻia ka pahu i loko o nā pūnāwai aila no ka ʻili ʻana i ka aila, ka ʻili kinoea, ka wai wai a me ka haʻihaʻi waikawa.
ʻO ka pahu: ʻO nā paipu i hoʻohaʻahaʻa ʻia mai ka ʻili o ka honua i loko o kahi lua i wili ʻia ma ke ʻano he liner e pale ai i ka hiolo ʻana o ka pā luawai.
Paipu wili: Paipu i hoʻohana ʻia no ka ʻeli ʻana i nā lua.
Paipu laina: Paipu i hoʻohana ʻia no ka lawe ʻana i ka aila a i ʻole ke kinoea.
Po'ai: Ua ho'ohana 'ia nā kinikini no ka ho'ohui 'ana i 'elua paipu wili me nā milo o loko.
Mea hoʻohui: Paipu i hoʻohana ʻia no ka hana ʻana i nā hui.
Nā Loko API: ʻO nā lola paipu i kuhikuhi ʻia e ka maʻamau API 5B, e like me nā ʻili paipu aila poepoe, ka hoʻopaʻa ʻana i nā lola pōʻai pōkole, nā lola poepoe lōʻihi, nā lola trapezoidal offset, nā loina paipu laina a pēlā aku.
ʻO ka Buckle Kūikawā: ʻAʻole nā pae API me nā waiwai sila kūikawā, nā waiwai pili a me nā waiwai ʻē aʻe.
ʻAʻole: deformation, fracture, pōʻino o ka ʻili a me ka nalowale o ka hana kumu ma lalo o nā kūlana lawelawe kikoʻī.ʻO nā ʻano nui o ka hāʻule ʻana o ka pahu aila: extrusion, slippage, rupture, leakage, corrosion, bonding, wear and so on.
2. Nā kūlana pili i ka ʻaila
API 5CT: Hōʻikeʻike Casing and Tubing (ʻo ia ka mana hou o ka paʻi 8)
API 5D: Drill pipe specification (ka mana hou loa o ka 5th edition)
API 5L: pipeline steel pipe specification (ka mana hou loa o ka 44th edition)
API 5B: ʻO ka kikoʻī no ka mīkini, ana a me ka nānā ʻana i nā pahu pahu, paipu aila a me nā laina paipu laina.
GB / T 9711.1-1997: Nā kūlana ʻenehana no ka hāʻawi ʻana i nā paipu kila no ka lawe ʻana i ka ʻoihana aila a me ke kinoea Māhele 1: Nā paipu kila kila.
GB / T9711.2-1999: Nā kūlana ʻenehana no ka lawe ʻana i nā paipu kila no ka lawe ʻana i ka ʻoihana aila a me ke kinoea Māhele 2: Nā paipu kila B.
GB/T9711.3-2005: Nā Kūlana ʻenehana no ka hoʻouna ʻana i nā paipu kila no ka lawe ʻana i ka ʻoihana ʻaila a me ke kinoea kūlohelohe ʻāpana 3: ka pae C Steel pipe.
Ⅱ.Paipu ʻaila
1. Hoʻokaʻawale i nā paipu aila
Hoʻokaʻawale ʻia nā paipu aila i nā paipu Non-Upset (NU), External Upset (EU) tubing, a me ka hui pū ʻana.ʻO ka paipu Non-Upset e pili ana i kahi hopena paipu i hoʻopaʻa ʻia me ka ʻole o ka mānoanoa a hoʻolako ʻia me kahi hui.ʻO ka paipu hoʻohaʻahaʻa waho e pili ana i nā wēlau paipu ʻelua i mānoanoa i waho, a laila wili ʻia a hoʻopili ʻia me nā paʻi.ʻO ka paipu hui pū ʻia e pili ana i kahi paipu i hoʻopili pono ʻia me ka ʻole o ka hoʻopili ʻana, me kekahi wili i wili ʻia ma kahi milo waho mānoanoa i loko a ʻo kekahi ʻaoʻao i hoʻopaʻa ʻia ma kahi milo kūloko mānoanoa.
2. Ka hana o ka paipu
①, ka ʻili ʻana o ka aila a me ke kinoea: ma hope o ka wili ʻia ʻana o nā pūnāwai aila a me ke kinoea a hoʻopaʻa ʻia, hoʻokomo ʻia ka paipu i loko o ka pahu aila e lawe ai i ka aila a me ke kinoea i ka lepo.
②, hoʻoheheʻe wai: inā ʻaʻole lawa ke kaomi o lalo, e hoʻokomo i ka wai i loko o ka luawai ma o ka paipu.
③, Hoʻokomo ʻia ka mahu: I ke kaʻina o ka hoʻihoʻi ʻana i ka wela o ka ʻaila mānoanoa, e hoʻokomo ʻia ka mahu i loko o ka pūnāwai me nā paipu aila insulated.
(iv) Acidizing a me ka haʻihaʻi: I ka hopena hope o ka luawai a i ʻole i mea e hoʻomaikaʻi ai i ka hana ʻana o nā pūnāwai aila a me ke kinoea, pono ia e hoʻokomo i ka acidizing a me ka fracturing medium a i ʻole ka hoʻōla ʻana i nā mea i ka papa ʻaila a me ke kinoea, a me ka waena a me lawe ʻia nā mea hoʻōla ma o ka paipu aila.
3.Steel papa o ka aila paipu
ʻO nā māka kila o ka paipu aila: H40, J55, N80, L80, C90, T95, P110.
Hoʻokaʻawale ʻia ʻo N80 i N80-1 a me N80Q, ʻo nā mea ʻelua nā ʻano like ʻole o ka mea like, ʻo nā ʻokoʻa ʻelua ke kūlana hoʻopuka a me nā ʻokoʻa hana hopena, hāʻawi ʻia ʻo N80-1 e ka mokuʻāina maʻamau a i ʻole ka ʻoi aku o ka wela o ka ʻōwili hope ma mua o ka ʻO ka mahana koʻikoʻi Ar3 a me ka hoʻohaʻahaʻa haʻahaʻa ma hope o ka hoʻoluʻu ʻana o ka ea, a hiki ke hoʻohana ʻia no ka ʻimi ʻana i nā mea ʻē aʻe i ka normalizing hot-rolled, ʻaʻole koi ʻia ka hoʻāʻo ʻana i ka hopena a me ka luku ʻole;Pono ka N80Q e hoʻonāuki (quenching and tempering) Hoʻomaʻamaʻa wela, pono ka hana hopena e like me nā mea i hoʻolako ʻia o ka API 5CT, a pono e hoʻāʻo ʻole luku.
Ua māhele ʻia ʻo L80 i L80-1, L80-9Cr a me L80-13Cr.ʻO kā lākou mauʻano mechanical a me ke kūlana hoʻouna like.ʻO nā ʻokoʻa o ka hoʻohana ʻana, paʻakikī hana a me ke kumukūʻai, L80-1 no ke ʻano maʻamau, L80- 9Cr a me L80-13Cr he paipu kūpaʻa kūʻokoʻa kiʻekiʻe, paʻakikī hana, pipiʻi, hoʻohana mau ʻia no nā pūnāwai corrosion kaumaha.
Hoʻokaʻawale ʻia ʻo C90 a me T95 i ke ʻano 1 a me ke ʻano 2, ʻo ia hoʻi, C90-1, C90-2 a me T95-1, T95-2.
4.Commonly hoʻohana kila kila, papa a me ka hoʻouna kūlana o ka aila paipu
Ke kūlana hoʻouna papa kila
J55 paipu aila 37Mn5 paipu aila palahalaha: ua owili wela ma kahi o ka ma'amau
ʻO ka paipu aila mānoanoa: hoʻoponopono ʻia ka lōʻihi piha ma hope o ka mānoanoa.
N80-1 paipu 36Mn2V Puka ʻano palahalaha: ʻōwili wela ma kahi o ka mea maʻamau.
ʻO ka paipu aila mānoanoa: hoʻoponopono ʻia ka lōʻihi piha ma hope o ka mānoanoa
N80-Q aila paipu 30Mn5 piha-lōʻihi tempering
L80-1 aila paipu 30Mn5 piha-lōʻihi tempering
P110 aila paipu 25CrMnMo piha-lōʻihi tempering
Hoʻopili ʻia ʻo J55 me 37Mn5 wela ma ka laina maʻamau
N80 hoʻohui 28MnTiB piha-lōʻihi tempering
L80-1 hoʻohui 28MnTiB piha-lōʻihi hoʻonā
P110 Nā Paʻi 25CrMnMo piha i ka lōʻihi
Ⅲ.ʻO ka pahu pahu
1、Ka wehewehe ʻana a me ka hana o ka casing
ʻO Casing kahi paipu kila e kākoʻo ana i ka paia o nā luawai aila a me ke kinoea.Hoʻohana ʻia kekahi mau papa o ka casing i kēlā me kēia luawai e like me ka hohonu o ka wili ʻana a me nā kūlana geological.Hoʻohana ʻia ʻo Cement e hoʻopaʻa i ka pahu ma hope o ka hoʻohaʻahaʻa ʻia ʻana i loko o ka luawai, a ʻaʻole like me ka paipu aila a me ka paipu drill, ʻaʻole hiki ke hoʻohana hou ʻia a pili i nā mea hoʻopau hoʻopau.No laila, ʻoi aku ka nui o ka hoʻohana ʻana i ka casing ma mua o 70% o nā paipu ʻaila a pau.Hiki ke hoʻokaʻawale ʻia ka Casing i: conduit, surface casing, casing technical and oil casing e like me kona hoʻohana ʻana, a me kā lākou mau hale i loko o nā luawai aila e hōʻike ʻia ma lalo o ke kiʻi.
2.Conductor casing
i hoʻohana nuiʻia no ka wiliʻana i ka moana a me ka wao nahele e hoʻokaʻawale i ke kai a me ke one e hōʻoia i ka holomua o ka wiliʻana,ʻo nā kiko'ī nui o kēia papa o 2.casing: Φ762mm (30in) × 25.4mm, Φ762mm (30in) × 19.06mm.
Hoʻohana ʻia no ka hoʻoheheʻe mua ʻana, e hoʻoheheʻe ʻia i ka ʻili o ka strata wehe i ka papa moe, i mea e hoʻopaʻa ai i kēia ʻāpana o ka strata mai ka hāʻule ʻana, pono e hoʻopaʻa ʻia me ka casing ili.ʻO nā kikoʻī nui o ka casing surface: 508mm (20in), 406.4mm (16in), 339.73mm (13-3 / 8in), 273.05mm (10-3 / 4in), 244.48mm (9-5 / 9in), etc. ʻO ka hohonu o ka paipu hoʻohaʻahaʻa e pili ana i ka hohonu o ka hana palupalu.ʻO ka hohonu o ka paipu haʻahaʻa e pili ana i ka hohonu o ka stratum wehe, ʻo ia ka 80 ~ 1500 m.ʻAʻole nui kona kaomi waho a me loko, a hoʻohana maʻamau ia i ka pae kila K55 a i ʻole N80 kila kila.
3.Casing ʻenehana
Hoʻohana ʻia ka casing ʻenehana i ke kaʻina hana wili o nā hoʻokumu paʻakikī.I ka wā e hālāwai ai i nā ʻāpana paʻakikī e like me ka papa hiolo, ka ʻaila ʻaila, ka ʻili kinoea, ka papa wai, ka leakage layer, ka paʻakai paʻakai, a me nā mea ʻē aʻe, pono e waiho i lalo i ka casing ʻenehana e hoʻopaʻa ai, inā ʻaʻole hiki ke hoʻokō ʻia ka wili.He hohonu a paʻakikī kekahi mau pūnāwai, a ʻo ka hohonu o ka pūnāwai a hiki i nā kaukani mika, pono kēia ʻano luawai hohonu e waiho i lalo i kekahi mau papa o ka casing ʻenehana, ʻo kona mau ʻano mechanical a me nā koi hana hoʻopaʻa ʻana he kiʻekiʻe loa, ʻo ka hoʻohana ʻana i nā māka kila. ʻoi aku ka kiʻekiʻe, ma kahi o K55, ʻoi aku ka nui o ka hoʻohana ʻana i nā māka N80 a me P110, ua hoʻohana pū ʻia kekahi mau lua hohonu i ka Q125 a i ʻole nā papa kiʻekiʻe ʻole API, e like me V150.ʻO nā kikoʻī nui o ka pahu ʻenehana: 339.73 ʻO nā kikoʻī nui o ka pahu ʻenehana penei: 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) a pela aku.
4. Pahu aila
Ke wili ʻia ka pūnāwai a hiki i ka papa kuhikuhi (ka papa i loaʻa ka aila a me ke kinoea), pono ia e hoʻohana i ka pahu aila e hoʻopaʻa ai i ka ʻaila a me ke kinoea a me ka ʻaoʻao o luna i hōʻike ʻia, a ʻo loko o ka pahu aila ka ʻaila ʻaila. .ʻO ka pahu aila i nā ʻano pahu āpau i ka hohonu hohonu loa, ʻo kāna mau mea mechanical a me nā koi hana hoʻopaʻa ʻana ʻo ia ka mea kiʻekiʻe loa, ka hoʻohana ʻana i ke kila kila K55, N80, P110, Q125, V150 a pēlā aku.ʻO nā kikoʻī nui o ka casing hoʻokumu: 177.8mm (7in), 168.28mm (6-5 / 8in), 139.7mm (5-1 / 2in), 127mm (5in), 114.3mm (4-1 / 2in), etc. .
V. Drill paipu
1、 Hoʻokaʻawale a me ka hana o ka paipu no nā mea hana wili
ʻO ka paipu hoʻoheheʻe square, pipe drill, pipe drill paona a me ke kola drill i nā mea hana wili e hana i ka paipu wili.ʻO ka pipe drill ka mea hana wili nui e hoʻokuʻu ai i ka bit drill mai ka lepo a i lalo o ka luawai, a he ala hoʻi ia mai ka lepo a i lalo o ka luawai.ʻEkolu mau kuleana nui: ① ka hoʻoili ʻana i ka torque e hoʻokele i ka drill bit e wili;② hilinaʻi i kona kaumaha ponoʻī no ka hoʻoikaika ʻana i ka bit drill e wāwahi i ka pōhaku ma lalo o ka luawai;③ ka lawe ʻana i ka wai holoi luawai, ʻo ia hoʻi, ka lepo ʻeli ʻana ma ka lepo ma o nā ʻōpala lepo kiʻekiʻe, i loko o ka lua o ke kolamu wili e kahe ai i lalo o ka luawai e hoʻomaʻemaʻe i ka ʻōpala pōhaku a hoʻomaha i ka bit drill. a lawe i ka ʻōpala pōhaku ma ka ʻāpana annular ma waena o ka ʻili o waho o ke kolamu a me ka paia o ka luawai e hoʻi i ka lepo, i hiki ai ke hoʻokō i ke kumu o ka ʻeli ʻana i ka pūnāwai.Drill paipu i loko o ke kaʻina hana wili e kū i nā ʻano like ʻole o nā ukana alternating like ʻole, e like me ka tensile, compression, torsion, bending a me nā pilikia ʻē aʻe, pili pū ka ʻili o loko i ke kiʻekiʻe-pressure mud scouring a corrosion.
(1) paipu hoʻoheheʻe huinaha: ʻelua ʻano ʻano ʻano quadrilateral a me ke ʻano hexagonal, ʻo Kina ka ʻaila wili ʻana i kēlā me kēia kolamu kolamu e hoʻohana maʻamau i kahi ʻano ʻano hoʻoheheʻe quadrilateral.ʻO kāna mau kikoʻī: 63.5mm (2-1 / 2in), 88.9mm (3-1 / 2in), 107.95mm (4-1 / 4in), 133.35mm (5-1 / 4in), 152.4mm (6in) a pela aku.ʻO ka maʻamau ka lōʻihi i hoʻohana ʻia ʻo 12 ~ 14.5m.
?ʻO nā kikoʻī o ka paipu drill he: 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) a pēlā aku.
(3) Pipe Drill Weighted: ʻO ka paipu drill kaumaha he mea hoʻololi e pili ana i ka paipu drill a me ka drill collar, hiki ke hoʻomaikaʻi i ke kūlana ikaika o ka paipu drill a me ka hoʻonui ʻana i ke kaomi ma ka drill bit.ʻO nā kikoʻī nui o ka paipu drill paona he 88.9mm (3-1/2in) a me 127mm (5in).
(4) Drill collar: pili ka drill collar i ka ʻaoʻao haʻahaʻa o ka paipu drill, ʻo ia kahi paipu paʻa manoanoa me ka rigidity kiʻekiʻe, e hoʻoikaika ana i ka drill bit e wāwahi i ka pōhaku, a hiki ke hana i kahi alakaʻi i ka wā ka lua pololei.ʻO nā kikoʻī maʻamau o ka drill collar: 158.75mm (6-1 / 4in), 177.85mm (7in), 203.2mm (8in), 228.6mm (9in) a pēlā aku.
V. Paipu laina
1, Hoʻokaʻawale i ka paipu laina
Hoʻohana ʻia ka paipu laina i ka ʻoihana aila a me ke kinoea no ka lawe ʻana i ka aila, ka ʻaila i hoʻomaʻemaʻe ʻia, ke kinoea maoli a me nā paipu wai me ka paipu kila no ka pōkole.Hoʻokaʻawale ʻia ka lawe ʻana o ka aila a me ke kinoea pipeline i loko o ka pipeline nui, pipeline lālā a me ke kūlanakauhale pipeline network pipeline ʻekolu ʻano, ka laina laina pipeline nui o nā kikoʻī maʻamau no ∮ 406 ~ 1219mm, ka mānoanoa o ka pā o 10 ~ 25mm, ke kila kila X42 ~ X80;lālā pipeline a me ke kūlanakauhale pipeline network pipeline o ka maʻamau kiko'ī no # 114 ~ 700mm, paia mānoanoa o 6 ~ 20mm, kila papa X42 ~ X80.ʻO nā kikoʻī maʻamau no nā pipeline feeder a me nā pipeline kūlanakauhale he 114-700mm, ka mānoanoa o ka pā 6-20mm, ke kila kila X42-X80.
Line paipu ua welded kila paipu, he seamless kila paipu, welded kila paipu ua hoʻohana 'oi aku ma mua o seamless kila paipu.
2、Line paipu maʻamau
Line paipu maʻamau ka API 5L "pipeline kila paipu kiko'ī", akā, China ma 1997 promulgated elua lahui hae no ka pipeline paipu: GB / T9711.1-1997 "ʻaila a me kinoea oihana, ka hapa mua o ka oaoieei kūlana o ka lawe ana i ke kila paipu. : A-grade kila paipu "a GB / T9711.2-1997" aila a me ke kinoea 'oihana, ka lua o ka 'aoʻao kūlana o ka haawi ana i ke kila paipu: B-grade kila paipu ".Steel Pipe", ua like kēia mau maʻamau ʻelua me API 5L, nui nā mea hoʻohana home e koi i ka hoʻolako ʻana i kēia mau kūlana ʻelua.
3、E pili ana iā PSL1 a me PSL2
ʻO PSL ka pōkole o ka pae kikoʻī huahana.Hoʻokaʻawale ʻia ka pae kikoʻī huahana laina i PSL1 a me PSL2, hiki ke ʻōlelo ʻia ua māhele ʻia ka pae maikaʻi i PSL1 a me PSL2.ʻOi aku ka kiʻekiʻe o ka PSL1 ma mua o PSL2, ʻo ka pae kikoʻī 2 ʻaʻole ia he ʻokoʻa nā koi hoʻāʻo, a ʻo ka haku mele, ʻokoʻa nā pono mechanical, no laila e like me ka API 5L kauoha, nā huaʻōlelo o ka ʻaelike i hoʻohui ʻia i nā kikoʻī, ka pae kila. a me nā hōʻailona maʻamau ʻē aʻe, akā pono pū kekahi e hōʻike i ka pae kikoʻī o ka huahana, ʻo ia hoʻi, PSL1 a i ʻole PSL2.
ʻO ka PSL2 i ka haku mele, nā waiwai tensile, ka mana hopena, ka hoʻāʻo ʻole luku a me nā hōʻailona ʻē aʻe i ʻoi aku ka paʻakikī ma mua o PSL1.
4、Pipeline paipu kila kila a me kemika haku mele
Line paipu kila papa mai ka haʻahaʻa a kiʻekiʻe ua maheleia i: A25, A, B, X42, X46, X52, X60, X65, X70 a me X80.
5, laina paipu wai kaomi a me ka ole-destructive koi
Pono e hana ka paipu laina i ka lālā ma ka ho'āʻo hydraulic lālā, aʻaʻole eʻae ka maʻamau i ka hana hoʻopōʻinoʻole o ka hydraulic pressure, a he mea nui hoʻi ia ma waena o ka API maʻamau a me kā mākou mau kūlana.
ʻAʻole koi ʻo PSL1 i ka hoʻāʻo nondestructive, pono ʻo PSL2 i ka lālā hoʻāʻo nondestructive e ka lālā.
VI.Premium Connection
1, ka hoʻolauna ʻana i ka pilina Premium
He ʻokoʻa ka pahu kūikawā mai ke kaula API me ke ʻano kūikawā o ke kaula paipu.ʻOiai ua hoʻohana nui ʻia ka casing aila ʻaila API i kēia manawa i ka hoʻohana ʻana i ka ʻaila, ʻike maopopo ʻia kona mau hemahema i ke ʻano kūikawā o kekahi mau ʻaila aila: ʻo ke kolamu paipu a puni ʻo API, ʻoiai ʻoi aku ka maikaʻi o kāna hana hoʻopaʻa ʻana, ʻoi aku ka maikaʻi o ka tensile ikaika e ka threaded. ʻO ka hapa wale nō e like me 60% a 80% o ka ikaika o ke kino paipu, no laila ʻaʻole hiki ke hoʻohana ʻia i ka hoʻohana ʻana i nā luawai hohonu;ka API biased trapezoidal threaded pipe kolamu, ka hana tensile o ka ʻāpana threaded e like wale nō me ka ikaika o ke kino paipu, no laila ʻaʻole hiki ke hoʻohana ʻia i nā luawai hohonu;API biased trapezoidal threaded paipu kolamu, kona tensile hana 'aʻole maikaʻi.ʻOiai ʻoi aku ka kiʻekiʻe o ka hana tensile o ke kolamu ma mua o ka pili ʻana i ke kaula puni API, ʻaʻole maikaʻi loa kāna hana hoʻopaʻa ʻana, no laila ʻaʻole hiki ke hoʻohana ʻia i ka hoʻohana ʻana i nā pūnāwai kinoea kiʻekiʻe;Eia kekahi, hiki i ka grease threaded ke pāʻani wale i kāna kuleana i ke kaiapuni me ka mahana ma lalo o 95 ℃, no laila ʻaʻole hiki ke hoʻohana ʻia i ka hoʻohana ʻana i nā luawai wela kiʻekiʻe.
Hoʻohālikelike ʻia me ke kaula puni API a me ka pili ʻana o ka trapezoidal thread, ua holomua ka Premium Connection i nā ʻano aʻe:
(1) ka hoʻopaʻa ʻana maikaʻi, ma o ka hoʻolālā ʻana o ka elastic a me ka hoʻopaʻa ʻia ʻana o ka metala, i hiki ai i ke kinoea hoʻopaʻa ʻana ke kū i ka palena o ke kino paipu i loko o ke kaomi ʻana;
(2) ka ikaika kiʻekiʻe o ka pilina, me ka pili Premium Connection o ka pahu aila, hiki i ka ikaika o ka pilina a ʻoi aku paha i ka ikaika o ke kino paipu, e hoʻoponopono i ka pilikia o ka paheʻe kumu;
(3) ma ke koho ʻana i ka Material a me ka hoʻomaikaʻi ʻana i ke kaʻina hana lapaʻau, hoʻoponopono maoli i ka pilikia o ke kaula pipili;
(4) ma o ka optimization o ka hale, i oi aku ka pono o ka puunaue kaumaha hui, oi conducive i ke kū'ē i stress corrosion;
(5) ma o ka hoʻolālā poʻohiwi o ka hoʻolālā kūpono, i maʻalahi ka hoʻokō ʻana i ka hana buckle.
I kēia manawa, ua hoʻomohala ka honua ma mua o 100 mau ʻano o Premium Connections me ka ʻenehana patented.
Ka manawa hoʻouna: Feb-21-2024