ʻO nā manawa kūpono o ka ʻaila a me ke kinoea no ke kūʻai aku ʻana i nā valves e pili ana i ʻelua mau ʻano noi nui: wellhead a me ka pipeline. ʻO ka mea mua e hoʻomalu ʻia e ka API 6A Specification for Wellhead and Christmas Tree Equipment, a ʻo ka mea hope e ka API 6D Specification for Pipeline and Piping Valves.
Nā noi Wellhead (API 6A)
Ua manaʻo nui ʻia nā manawa kūpono no nā noi ʻana o ke poʻo luawai ma muli o ka Baker Hughes Rig Count e hāʻawi ana i kahi ana alakaʻi no ka ʻoihana aila a me ke kinoea o luna. Ua lilo kēia ana i mea maikaʻi i ka makahiki 2017, ʻoiai kokoke ma ʻAmelika ʻĀkau wale nō (e nānā i ka Pakuhi 1). Loaʻa i kahi poʻo luawai maʻamau ʻelima a ʻoi aku paha nā kiwikā e kū ana i ka API Specification 6A. ʻO kēia mau kiwikā he liʻiliʻi ka nui ma ka laulā o 1” a 4” no nā poʻo luawai onshore. Hiki i nā kiwikā ke komo pū me kahi kiwikā haku o luna a me lalo no ka pani ʻana o ka luawai; kahi kiwikā ʻēheu pepehi no ka hoʻolauna ʻana i nā kemika like ʻole no ka hoʻonui ʻana i ke kahe, ke kūʻē ʻana i ka palaho, a me nā kumu ʻē aʻe; kahi kiwikā ʻēheu hana no ka pani ʻana/hoʻokaʻawale ʻana o ke poʻo luawai mai ka ʻōnaehana pipeline; kahi kiwikā choke no ka hoʻololi ʻana i ke kahe mai ka luawai; a me kahi kiwikā swab ma ka piko o ka hui lāʻau no ke komo kū pololei i loko o ka luawai.ʻO ke ʻano maʻamau o nā kiwikā he ʻano puka pā a pōpō paha a ua koho kūikawā ʻia no ka pani paʻa, ke kūʻē ʻana i ka ʻino ʻana o ke kahe, a me ke kūʻē ʻana i ka pala e hiki ke hopohopo nui ʻia no nā huahana maka ʻawaʻawa a i ʻole nā huahana kinoea ʻawaʻawa me ka nui o ka sulfur. Pono e hoʻomaopopo ʻia ʻaʻole i komo i loko o ke kūkākūkā ma luna nā kiwikā subsea i pili i nā kūlana lawelawe koi nui a ma ke ala hoʻōla mākeke lohi ma muli o ke kumu kūʻai kiʻekiʻe no ka hana subsea.
Ka manawa hoʻouna: Malaki-27-2018