Igwe anaghị agba nchara ọkpọkọ bụ ụdị oghere ogologo gburugburu ígwè, igwe anaghị agba nchara bụ ụdị oghere ogologo okirikiri nchara, nke a na-ejikarị na mmanụ ala, ụlọ ọrụ kemịkalụ, ngwa n'ibu na pipeline ụgbọ njem ụlọ ọrụ ndị ọzọ na akụrụngwa akụrụngwa.
Nkọwa ndị ọzọMmanụ ala tubular ngwongwo (OCTG) bụ ezinụlọ nke ngwaahịa akpọrepu enweghị nkebi nke nwere ọkpọkọ ọkpọkọ, casing na tubing etinyere n'ọnọdụ nbudata dịka ngwa ha siri dị.Na-enye ọkwa zuru oke nke carbon ígwè dị elu na chrome casing, ERW casing, tubing, drill pipe, njikọ adịchaghị na ngwa ọkpọkọ maka iji mmanụ na gas na-egwupụta mmanụ na ọrụ mmecha nke ọma.
Nkọwa ndị ọzọA na-eme ọkpọkọ igwe anaghị agba nchara nke otu mpempe ígwè na-enweghị ihe ọ bụla n'elu, usoro mmepụta na-agụnye tube na-ekpo ọkụ, tube na-atụgharị oyi, tube na-ese oyi, tube extrusion, tube jacking, wdg.
Nkọwa ndị ọzọỌkpụkpọ welded bụ ọkpọkọ akpụpụtara site n'itinye eriri n'ime tube nwere ọdịdị na nha a kara aka wee gbado njikọ ahụ site na usoro ịgbado ọkụ kwesịrị ekwesị.
Nkọwa ndị ọzọEnwere ike ime nchara galvanized ka ọ bụrụ ọkpọkọ siri ike ma ọ bụ tubing - nke na-eguzogide corrosion site na ikpughe na mmiri ma ọ bụ ihe ndị ahụ.A na-eji ya eme ihe maka ọkpọkọ na-enye mmiri ma ọ bụ dị ka tubing siri ike maka ngwa n'èzí.
Nkọwa ndị ọzọỌkpụkpọ flange bụ ụdị ọkpọkọ ọkpọkọ.
Nkọwa ndị ọzọIji gboo mkpa nke anụ ụlọ mmanụ ngwaahịa, hụ na mba ike nchekwa, Kazakhstan si ala mmanụ na gas ụlọ ọrụ, Mr Kent, pavlodar, mu atọ mmanụ refineries malitere a oke mgbanwe na modernisation.
Ọrụ nke oru ngo bụ maka a eke gas engineering n'etiti Romania na Bulgaria, ọkpọkọ mkpa gafere Plains, ugwu, ya bụ, na-ewu na-arụ ọrụ bụ nnọọ ike.
Ọrụ a na-elekwasị anya na njem mmanụ.
Vietnam Mmanụ & Gas Corporation - PETRO VIETNAM rụrụ ọdụ ụgbọ mmiri mbupụ ngwaahịa n'okpuru Dung Quat Refinery Project na Quang Ngai Province, Vietnam.Ụgbọ mmiri na-ebu ibu nke mmiri nwere isi jetty atọ nke ọ bụla nwere ọdụ ụgbọ mmiri abụọ.
Ịrụ ọkpọkọ si n'ubi mmanụ Venezuela gafee Colombia ruo Pacific, ọkpọkọ ga-ebu nnukwu crude Venezuela site na ọdọ mmiri Orinoco yana mmanụ Colombia.
Ọrụ ahụ na-arụ ọrụ na ụgbọ njem mmiri dị ala na obodo na obodo, nke bụ nnukwu ọrụ injinia na mba.
Hunan Great Steel Pipe Co., Ltd, na afọ 30 nke ígwè ọkpọkọ n'ichepụta, bụ a ụwa-klas mmepụta na ọrụ nke submerged arc ogologo onuete welded anwụrụ dị ka ndị mbụ enyemaka nke Shinestar Group.Hunan Great Steel Pipe Co., Ltd na-akwụ ụgwọ ọzọ anya na pipeline engineering research ebe dị ka onye ọsụ ụzọ nke China Petroleum Pipeline & Gas Pipeline Science Research Institute, Dị ka: ojiji nke mmanụ na gas pipelines, ọkpọkọ ịgbado ọkụ technology ọhụrụ, elu- ngwụcha nyocha na mmepe ihe eji eme mmiri mmiri, yana ngwaọrụ pụrụ iche teknụzụ ọhụrụ nrụpụta pipeline, nyocha nke sayensị na teknụzụ teknụzụ, nyocha sayensị na teknụzụ na-adịghị emebi emebi, nyocha nke ịdị mma pipeline, na ụkpụrụ pipeline nyocha na ihe ndị ọzọ.