Abubuwan da ke sama na mai & iskar gas don siyar da bawul sun dogara ne akan nau'ikan aikace-aikacen farko guda biyu: kan rijiyar da bututun mai.Gabaɗaya ana sarrafa tsoffin ta API 6A Specificification don Wellhead da Kayan Aikin Bishiyar Kirsimeti, kuma na ƙarshen API 6D Specificification for Pipeline and Piping Valves.
Aikace-aikacen Wellhead (API 6A)
An tsara damammaki don aikace-aikacen rijiyar bisa ga Baker Hughes Rig Count wanda ke ba da babban ma'auni don masana'antar mai & iskar gas.Wannan ma'aunin ya zama mai inganci a cikin 2017, kodayake kusan a Arewacin Amurka kawai (duba Chart 1).Madaidaicin rijiyar ya haɗa da bawuloli biyar ko fiye waɗanda suka dace da ƙayyadaddun API na 6A.Waɗannan bawuloli gabaɗaya suna da ɗan ƙaramin girma a cikin kewayon 1” zuwa 4” don manyan rijiyoyin kan teku.Bawuloli na iya haɗawa da bawul ɗin babba da na ƙasa don rufe rijiyar;wani bawul na kisa don gabatar da sinadarai daban-daban don haɓaka kwarara, juriya, da sauran dalilai;bawul ɗin reshe na samarwa don rufewa / warewar rijiyar daga tsarin bututun;bawul ɗin shaƙa don daidaitacce magudanar ruwa daga rijiyar;da bawul ɗin swab a saman taron bishiyar don shiga a tsaye cikin rijiyar.Bawuloli gabaɗaya nau'in ƙofa ne ko nau'in ƙwallon kuma an zaɓi su musamman don matsewar rufewa, juriya ga yashwar ruwa, da juriya ga lalata da za su iya zama na musamman damuwa ga ɗanyen mai mai tsami ko samfuran iskar gas mai sulfur mai yawa.Ya kamata a lura da cewa tattaunawar da ta gabata ta keɓance magudanar ruwa na cikin teku waɗanda ke ƙarƙashin yanayin sabis masu buƙata da kuma kan hanyar dawo da kasuwa da aka jinkirta saboda tsadar farashin samar da tekun.
Lokacin aikawa: Maris-27-2018