Yaushe Kuna Buƙatar Haɗin Haɗi don API 5CT Casing da Tubing?

A kan tsari mai kyau,casingkumabututukirtani suna kama da sauƙi: OD, nauyi, daraja, drift. A cikin filin, matsalolin leaks da mutunci kusan ba su fara farawa a cikin bututun jiki - suna farawa a haɗin gwiwa.

API 5CTshine ainihin ma'auni don duka casing da tubing: yana bayyana maki, girma da daidaitattun siffofin zaren kamar STC/LTC/BTC don casing da NUE/EUE don tubing. Ga yawancin rijiyoyin mai na al'ada, waɗannan haɗin API har yanzu shine amsar da ta dace. Amma a cikin rijiyoyin iskar gas mai ƙarfi, aikin HP/HT, sassan kwance masu tsayi da rijiyoyin da ke hawan keke, cibiyar haɗarin tana canzawa daga jikin ƙarfe zuwa ƙirar haɗin gwiwa. Wannan shine inda haɗin kai na musamman / ƙimar kuɗi ke shigowa.

API 5CT da API 5B sun ayyana manyan iyalai na zaren don casing da tubing:

Casing

• STC - Gajeren Zaren Haɗe (gajeren zagaye)
• LTC - Dogon Zaren Haɗe (dogon zagaye)
• BTC - Zaren Buttress Haɗe

Tuba

• NUE - Ƙarshen Bacin Rai
• EUE - Ƙarshen Bacin rai na Waje

Waɗannan daidaitattun hanyoyin haɗin kai sune:

• Ƙarfi mai ƙarfi (tashin hankali, matsawa, juzu'i) don ƙasa da yawa da rijiyoyin al'ada
• Mai tsada kuma ana samun ko'ina
• Sanann da ma'aikatan damfara, tare da cikakken yanayin yanayin na'urorin haɗi masu jituwa

Amma akwai gaskiya guda biyu marasa dadi:

• Zaren zagaye na API (STC/LTC) ba a ƙera su don zama daidai gas-matsi a babban matsi; sun dogara kacokan akan mahadin zaren da tsoma baki.
• Ko da BTC yana ba da fifikon ƙarfin tsari na farko da ƙarancin gas na biyu.

Don matsakaita matsi, galibi sabis na ruwa da ingantattun hanyoyi, wannan abin karɓa ne. Yayin da matsin lamba, juzu'in iskar gas, zafin jiki da karkacewa ke tashi, "mai kyau" a gefen haɗin yana fara kama da "ƙirar ƙira ta lalace."

Da zarar rijiyoyi sun wuce ambulan na al'ada, ba kawai batun haɓaka haɗin casing ba ne. Tubing na iya zama hanya mai mahimmancin ɗigogi da wurin gajiya kuma.

Ana la'akari da ƙima ko haɗin kai na musamman lokacin da wasu daga cikin masu zuwa gaskiya ne:

• Rijiyoyin iskar gas mai ƙarfi inda duk wani ci gaba da matsa lamba yana da matukar damuwa
• HP/HT da rijiyoyin ruwa mai zurfi tare da babban haɗewar fashe, rushewa da nauyin tashin hankali
• Rijiyoyin da aka faɗaɗa- isa da karkatattun rijiyoyi tare da lankwasawa mai mahimmanci da tsananin tsantsar dogleg
• Ma'ajiyar iskar gas, CO₂ allura da rijiyoyin zubarwa tare da yawan hawan keke
• Tsananin sabis na tsami, inda ƙaddamarwar fashe da haɓaka a tushen zaren dole ne a sarrafa ta tam
• Kyakkyawan ƙira waɗanda ke buƙatar aikin haɗin kai tsaye don dacewa ko wuce ƙimar jikin bututu

A cikin waɗannan rijiyoyin, zama tare da STC/LTC/BTC da NUE/EUE baya nufin "mara lafiya" kai tsaye - amma yana nufin ambulan aikin haɗin yana zaune kusa da ambulan ƙira. Duk wani bambance-bambance a cikin karfin juyi, jiyya ta sama, aikin gyarawa ko yanayin aiki na iya tura tsarin cikin matsala.

Hanyoyin haɗin kai na musamman / na musamman suna zaune akan jikunan bututun API 5CT, amma suna canza yadda haɗin gwiwa ke rufewa da ɗaukar kaya. Yawancin suna raba ƴan maɓalli kaɗan:

Ƙarfe-zuwa-ƙarfe hatimi
Maimakon dogara kawai akan mahadi na zaren, ƙirar ƙira ta haɗa da yanki ɗaya ko fiye da ƙarfe-zuwa-ƙarfe waɗanda ke haifar da matsananciyar lamba yayin juzu'i mai ƙarfi. Wannan yana ba su damar ci gaba da aiki mai ƙarfi a ƙarƙashin matsin lamba da hawan zafin jiki.

Ƙunƙarar kafaɗa
Ƙayyadadden kafaɗa mai ƙarfi yana ba da tabbataccen tsayawa a ƙarshen kayan shafa. Wannan yana inganta sarrafa juzu'i, yana rage haɗarin lalacewa fiye da kima, kuma yana ƙara lanƙwasawa da ƙarfin juzu'i a cikin karkatattun rijiyoyin ERD.

Ingantattun lissafi na zare
Siffofin zaren da aka sake ƙera su suna rage ƙaddamar da damuwa da rarraba kaya a cikin ɓangarorin zaren da aka haɗa. Wannan yana inganta aikin gajiya inda kirtani ke ganin juyawa, lankwasawa da maimaita matsa lamba.

Zaɓuɓɓukan zubar da ruwa da rabin-ruwa
Inda haɓakar OD ke da mahimmanci - kusa da saman layin layi, maki ƙulla-baya ko ƙuntatawa mai tsauri - haɗe-haɗe-haɗe-haɗe-haɗe-haɗe suna kula da OD mai sarrafawa yayin har yanzu suna ba da ƙarfi da hatimi.

Cikakken cancanta
Haɗin haɗin kai na zamani galibi sun cancanci ta amfani da ISO 13679 / API RP 5C5 ko gwaje-gwaje masu kama da juna, rufe kayan haɗin gwiwa, hawan keke kuma, a yawancin lokuta, lankwasawa. Wannan yana ba da haƙiƙanin hoto na yadda haɗin gwiwar ke gudana a ƙarƙashin ambulan-kamar ambulan, ba kawai gwaje-gwajen axis guda ɗaya ba.

Wadannan abũbuwan amfãni suna da mahimmanci akan duka casing da tubing:

• Don casing, abin da aka fi mayar da hankali shi ne amincin tsarin gabaɗaya da tsayin daka na iskar gas.
• Don tubing, kuna ƙara zagayowar aiki, ƙarfafawa, ayyukan sarrafa rijiyar da yawan canjin matsa lamba akan sama.

Da zarar ƙirar rijiyar ta kira haɗin haɗin kai, aikin ba shine "siyan zare na musamman ba." Yana haɗa waɗancan haɗin gwiwar cikin gabaɗayan ƙirar OCTG da sarkar QA.

Lissafin aikin injiniya mai amfani yawanci ya haɗa da:

Ƙayyade ambulaf ɗin aiki a fili

• Matsakaicin mafi ƙarancin matsi da yanayin zafi don kowane kirtani
• Darewar iskar gas da ake buƙata da matsi mai dorewa
• Tsananin dogleg da ake tsammani da kowane juyi da aka shirya a ƙarƙashin kaya
• Tsare-tsaren aiki da ƙarfafawa waɗanda ke gabatar da ƙarin hawan keke

Ƙayyade buƙatun cancantar haɗi

• Matsayin gwajin ISO 13679 / API RP 5C5 da ake buƙata (misali, CAL IV don sabis na HP/HT mai tsanani)
• Load envelopes da za a rufe (hade tashin hankali, matsawa, ciki / waje matsa lamba, lankwasawa idan ya dace)
• Duk wani sabis na tsami ko gwajin lalata da ake buƙata fiye da buƙatun bututun tushe

Daidaita jikin bututu da aikin haɗin kai

• Tabbatar da cewa juzu'i, fashewa da rugujewar aikin haɗin gwiwa ya haɗu ko ya zarce ƙimar jikin bututu da aka zaɓa da kaurin bango
• Don ƙira mai rugujewa, duba cewa haɗin gwiwa bai zama yanki mai rauni a rugujewa ba

Shirye-shiryen dubawa, kayan shafa da takaddun shaida a gaba

• Ƙayyade ma'aunin ma'aunin zaren da hanyoyin dubawa na gani a wurin zaren
• Ƙayyade tagogi masu jujjuya kayan gyara da buƙatun sa ido don calo da tubing
• Shirya yadda za a kama MTCs, bayanan cancantar haɗin kai, taswirar juzu'i da littattafan aiki a cikin littafin bayanan OCTG da fayiloli masu kyau

Yin la'akari da haɗin kai mai ƙima a matsayin wani ɓangare na ƙira - ba tunani ba - shine abin da ke hana muhawara daga baya a rig ko lokacin bita na tsari.

Yawancin masu aiki sun riga sun matsar da kayan aikin samarwa zuwa ƙima, hanyoyin haɗin gas, amma har yanzu suna gudanar da daidaitaccen bututun EUE/NUE. A cikin rijiyoyin haɗari mafi girma, wannan yana canza hanyar haɗi mai rauni daga casing zuwa tubing.

Halin da ake yawan samun haƙƙin haɗin tubing na ƙima sun haɗa da:

• Rijiyoyin iskar gas da manyan rijiyoyin mai na GOR inda bututun iskar gas na dogon lokaci yana da mahimmanci da matsa lamba na annulus dole ne a sarrafa su sosai.
• Ana sa ran igiyoyin tubing za su ga maimaituwar karaya, acidizing, tsaftataccen fita da sauran ayyuka masu nauyi.
• Rijiyoyin da aka fadada- isa da kwance, inda tubing ke samun gagarumin lankwasawa, girgizawa da juyawa yayin gudu da samarwa.
• Mahalli mai tsami ko high-CO₂ inda tushen haɗin ke da yuwuwar rukunin yanar gizo don lalatawar damuwa.

Ga waɗannan rijiyoyin, tubing tare da haɗin kai mai ƙima - yana nuna kafada mai ƙarfi, hatimin ƙarfe da ingantattun lissafi na zaren - na iya rage haɗarin ɗigo da gazawar gajiya a cikin haɗin gwiwa, kuma ya ba ƙungiyoyin aiki ƙarin kwarin gwiwa yayin hawan keke ko gudanar da manyan ayyuka.

Ƙimar ƙima da haɗin kai na musamman suna isar da mafi ƙima idan ana kula da su azaman ɓangare na cikakken shirin API 5CT casing da tubing, ba haɓakawa ɗaya ba. Wannan yawanci yana nufin:

• Tsara ta rijiya ko kushin: ayyana waɗanne tazara ne ke buƙatar haɗin haɗin kai kuma wanda zai iya kasancewa cikin aminci tare da daidaitattun zaren API
• Tsayar da iyalai na haɗin kai daidai gwargwado kamar yadda zai yiwu a cikin layi ko filin, don sauƙaƙa hanyoyin, adanawa da horar da ma'aikata.
• Bincika dacewa ga duk na'urorin haɗi - haɗin gwiwa, crossovers, masu rataye layi, fakiti, bawul ɗin aminci da sauran kayan aikin gamawa
• Tsaftace kayan aikin yadi tare da bayyana launi mai launi, yin alama da tsayi don kada haɗin da bai dace da su ya isa filin rig ba.

Ana sarrafa ta wannan hanyar, haɗin kai na ƙima ba kawai "sunan samfur na musamman" ba ne a cikin jerin kirtani, amma ƙayyadaddun sashe ne a sarari na dabarun amincin.

Q1: Wadanne nau'ikan rijiyoyi ne yawanci ke buƙatar haɗin ƙima (na musamman)?
A1:Rijiyoyin gas na HP, rijiyoyin HPHT/depwater, ERD/high{0}} rijiyoyin karkata, matsa lamba{1}} rijiyoyin keke (ajiya mai iskar gas/alurar CO₂), da sabis na tsami mai tsanani.

Q2: Menene ke sa haɗin haɗin kai ya zama iskar gas{1}} mai ƙarfi fiye da daidaitattun zaren API?
A2:Karfe -zuwa{1}}karfe hatimin da sarrafa kerawa{2}} sama (karfe kafada) yana taimakawa wajen kiyaye juriyar ɗigogi a ƙarƙashin hawan keke.

Q3: Menene zan nema don tabbatar da aikin haɗin haɗin kai kafin siye?
A3:TS EN ISO 13679 ko API RP 5C5 cancantar, da taswirar juzu'i / jagorar gudana, rikodin ma'aunin zaren, da takaddun MTC / dubawa.

Tuntube Mu

 

Don tambayoyi ko ƙarin bayani, jin daɗin tuntuɓe mu. Ƙungiyarmu a shirye take don taimaka muku.

• Waya: +86 186 3827 1277 / +86 372 2157660

• Imel:info@octalsteel.com

• Adireshi:Unit 2544, 25/F, Hasumiyar A, Wanda Plaza, gundumar Wenfeng, Anyang, Henan, China & Gine-gine A, No.18 Dirun Road, Zhengdong New District, Zhengzhou, Henan, China

Tuntuɓi yanzu

Takaddun shaida

 

CE Certificate

ISO 9001 Certificate

API Q1 Takaddun shaida

Takaddun shaida na ABS

Takaddun shaida na AP-5L

API-5CT Takaddun shaida