Tuma juman lo i mako be nɛgɛjuruw la API 5CT ka boonw n’u ka boonw kama?

Kɔlɔn sɛmɛti kan,nɛgɛdaganitubojuruw be komi u ka nɔgɔ: OD, girinya, grade, drift. Foro kɔnɔ, ji bɔli ni tilenninya gɛlɛyaw tɛ daminɛ abada tiyo farikolo la – u be daminɛ ɲɔgɔndanw na.

API 5CTye sariya jɔnjɔn ye nɛgɛdaga ni nɛgɛdaga fila bɛɛ la: a be nɛgɛdagaw, bonya ani danbe juru sifaw ɲɛfɔ i n’a fɔ STC/LTC/BTC nɛgɛdaga kama ani NUE/EUE nɛgɛdaga kama. Tulu bɔyɔrɔ kɔrɔman caaman fɛ, o API ɲɔgɔndanw bele ye jaabili ɲuman ye. Nka gazi kɔlɔnw na minw ka fanga ka bon, HP/HT baara, yɔrɔ janw minw be yɛlɛmayɛlɛma ani kɔlɔn minw be yɛlɛmayɛlɛma kosɔbɛ, faratiyɔrɔ be bɔ nɛgɛ farikolo la ka taga ɲɔgɔndan labɛncogo la. O yɔrɔ la, ɲɔgɔndan kɛrɛnkɛrɛnnin / premium be don.

API 5CT ani API 5B be juru denbayaw ɲɛfɔ minw be kɛ ka fani don ani ka fani don:

Kasi

• STC – Juru surun min be ɲɔgɔn minɛ (kuru surun)
• LTC – Juru jan min be ɲɔgɔn minɛ (kuru jan)
• BTC – Juru min be ɲɔgɔn minɛ

Tubi

• NUE – Ban min tɛ mɔgɔ dusu tiɲɛ
• EUE – Kɛnɛma dusukasi laban

O ɲɔgɔndanw ye:

• Fanga b’a la (tansiyɔn, pɛrɛnkan, torsi) dugukolo caaman ani kɔlɔn kɔrɔmanw kama
• A sɔngɔ man gwɛlɛ ani a be sɔrɔ yɔrɔ bɛɛ
• A be rig baarakɛlaw lɔn, ani ekosisitɛmu dafanin be ni minanw ye minw be bɛn ɲɔgɔn ma

Nka tiɲɛn fila be yen minw tɛ mɔgɔ lafiya:

• API juru koorininw (STC/LTC) tun ma labɛn walisa u ka se ka gazi minɛ ka ɲɛ ni fanga ka bon; u b’u jigi la juru ɲɔgɔndan n’a ɲɔgɔndan kan kosɔbɛ.
• Hali BTC be structure capacité bila a ɲɛfɛ fɔlɔ ani gazi‐tightness filanan.

Ka ɲɛsin degun hakɛlamanw ma, minw ka ca ni baara jilamanw ye ani sira minw ka nɔgɔ, o be sɔn o ma. Ni degun, gazi tilanyɔrɔ, funteni ani yɛlɛmani be yɛlɛma, "a ka ɲi" ɲɔgɔndan fan fɛ a be daminɛ ka kɛ i n'a fɔ "dilanyɔrɔ yɔrɔ tiɲɛna."

Ni kɔlɔnw tɛmɛna anvelɔpi kɔrɔman kan, a tɛ kɛ tugun ka boonw nɔrɔ ɲɔgɔn na dɔrɔn. Tubi be se ka kɛ sira gwɛlɛ ye min be ji bɔ ani sɛgɛsɛgɛri be se ka kɛ yɔrɔ min na fana.

A ka c’a la, u be premium wala konekisiyɔn kɛrɛnkɛrɛnninw jati n’u dɔw ye tiɲɛn ye:

• Gazi kɔlɔn minw ka fanga ka bon, yɔrɔ minw na fanga be to ka kɛ haminanko ye
• HP/HT ani jii kɔlɔnw minw ka pɛrɛn, ka ben ani ka yɛlɛma
• Kɔlɔn minw ka jan ani minw ka jan kosɔbɛ ani u be yɛlɛma yɛlɛma kosɔbɛ ani u be se ka yɛlɛma kosɔbɛ
• Gazi marayɔrɔ, CO2 pikiri ani kɔlɔnw bɔyɔrɔ minw be to ka yɛlɛmayɛlɛma
• Baara kumunin jugu, yɔrɔ min na farali daminɛ ani bonyali juru lili la ka kan ka kɔlɔsi koɲuman
• Kɔlɔn dilan cogo minw b’a ɲini ka ɲɔgɔndan baara kɛ ka bɛn walima ka tɛmɛ tiyo farikolo hakɛ kan

O kɔlɔnw kɔnɔ, ka to ni STC/LTC/BTC ani NUE/EUE ye, o kɔrɔ tɛ ko "lakana tɛ" – nka o kɔrɔ ko ɲɔgɔndan baarakɛcogo anvelɔpi siginin be gɛrɛfɛ kosɛbɛ dilan anvelɔpi la. Yɛlɛmani o yɛlɛmani be kɛ torque la, yɔrɔ furakɛcogo la, make‐up kɛcogo la wala baarakɛcogo la, o be se ka gɛlɛya lase sisitɛmu ma.

Premium / ɲɔgɔndan kɛrɛnkɛrɛnninw be sigi API 5CT ka tiyo farikolow kan, nka u be yɛlɛma don cogo min na ɲɔgɔndan be datugu ani ka doni ta. A fanba be koo jɔnjɔn damanin lo fɔ:

Nɛgɛ‐ni-nɛgɛ tagamasiɲɛw
Sanni k’i jigi la juru ɲɔgɔndan dɔrɔn kan, nɛgɛ ni nɛgɛ yɔrɔ kelen wala caaman be yen minw be ɲɔgɔn minɛ kosɔbɛ n’u be ɲɔgɔn minɛ. O b’a to u be se ka baara kɛ ni gazi ye ani u be yɛlɛmayɛlɛma ni funteni ye.

Torque kamankun
A ka torsi gɛrɛfɛla dɔ be jɔyɔrɔ ɲuman di make‐up laban na. O be torsi kɔlɔsili fisaya, ka torsi tiɲɛni farati dɔgɔya, ani ka dɔ fara yɛlɛmani ni yɛlɛmani se kan deviated ani ERD kɔlɔnw na.

Juru geometri ɲuman
Ɲɛyirali fɛ, juru sifa minw labɛnna tugun, olu be dɔ bɔ haminankow la ani ka doni tilan juru gɛrɛfɛ minw be baara kɛra kosɔbɛ. O be sɛgɛsɛgɛri kɛcogo fisaya yɔrɔ min na juru be yɛlɛmani, yɛlɛmani ani degun yɛlɛmaniw ye siɲɛ caaman.

Flush ani semi‐flush sugandiliw
OD yiriwali ka gwɛlɛ yɔrɔ minw na – liner sanfɛyɔrɔw gɛrɛfɛ, tie‐back points walima tight restrictions – flush walima semi‐flush ɲɔgɔndanw be OD kɔlɔsilen mara k’a sɔrɔ u be fanga ni datugu di.

Kalan dafanin
Bi tile premium ɲɔgɔndanw be se ka kɛ ni ISO 13679 / API RP 5C5 wala o ɲɔgɔnna sɛgɛsɛgɛri dafaninw ye, minw be doni faraninw, nɛgɛso boli ani, tuma caaman na, yɛlɛmaniw datugu. O be jaa tigitigi dɔ di min b’a yira ko ɲɔgɔndan be kɛ cogo min na anvelɔpiw kɔnɔ minw be komi foro, a ma kɛ sɛgɛsɛgɛri kelen dɔrɔn ye.

O nafaw kɔrɔtanin lo fanikolon ni fanikolon fila bɛɛ la:

• O la, a be se ka kɛ ko a ka boon lɔcogo bɛɛ ka ɲi ani a ka gazi tɛ se ka don a la wagatijan kɔnɔ.
• O la, i be se ka baara kɛ ni yɛlɛmaniw ye, ka mɔgɔw lasun u ka baara kɛ, ka baara kɛ ni kɔlɔnw ye ani ka to ka yɛlɛmaniw kɛ a sanfɛ.

Ni kɔlɔn dilanni ye ɲɔgɔndan ɲumanw ɲini, baara tɛ "juru kɛrɛnkɛrɛnnin san" ye tuguni. A be o jɛnɲɔgɔnyaw donna OCTG ka dilan cogo bɛɛ la ani QA ka cakɛda la.

Ɛnsɛniyeri ka sɛgɛsɛgɛri lisi min be se ka kɛ, a ka ca a la, o be sɔrɔ:

Operasiyɔn anvelɔpi ɲɛfɔ ka gwɛ .

• Degun ni funteni hakɛ min ka bon ani min ka dɔgɔ juru kelen kelen bɛɛ la
• Gazi nɔgɔya min ka kan ka kɛ ani a ka kan ka to ka kɛ yɔrɔ min na
• Dogleg juguya min makɔnɔna ani yɛlɛmani labɛnna doni kɔrɔ
• Baarakɛcogo ani yɛlɛmani labɛnw minw be yɛlɛmani wɛrɛw don

Kɔnɛksiyɔn ka setigiya saratiw ɲɛfɔ

• ISO 13679 / API RP 5C5 sɛgɛsɛgɛri hakɛ min ka ɲi (misali la, CAL IV HP/HT baara jugu kama)
• Doni anvelɔpiw ka kan ka datugu (tansiyɔn faranin ɲɔgɔn kan, pɛrɛnkan, kɔnɔna / kɛnɛma pɛrɛnkan, yɛlɛli n’a ka ɲi)
• Sour‐service walima koroziyɔn sɛgɛsɛgɛli sugu o sugu ka kan ka kɛ ka tɛmɛ basi pipe ka laɲiniw kan

Tiyo farikolo n'a ɲɔgɔnna baara tilen

• A sɛmɛntiya ko nɔrɔli yɛlɛmani, pɛrɛn ani benni baara be bɛn walima ka tɛmɛ tiyo farikolo hakɛ sugandinin kan ani kogo gɛrɛntɛ kan
• Ka ɲɛsin boonw ma minw be ben kosɔbɛ, aw k’a filɛ ni ɲɔgɔndan ma kɛ yɔrɔ barikaman ye min be ben .

Sɛgɛsɛgɛri, masiri ani sɛbɛnw labɛn ka kɔn

• Juru sumanin ani sɛgɛsɛgɛli kɛcogo ɲɛfɔ juru dilanyɔrɔ la
• A’ ye fenɛtiriw ka torque make‐up ani kɔlɔsili laɲiniw yira boonw ni boonw fila bɛɛ la .
• Labɛn kɛ cogo min na MTCw, ɲɔgɔndan lɔnniya kunnafoniw, torque jatebɔsɛbɛnw ani boli gafew bena minɛ cogo min na OCTG ka kunnafoni gafe kɔnɔ ani kɔlɔnw ka dosiyew kɔnɔ .

Ka premium ɲɔgɔndanw minɛ i n’a fɔ dilan cogo dɔ – miiriya kɔfɛ tɛ – o lo be sɔsɔliw bali kɔfɛ rig la walima sariyaw lajɛ wagati la.

Operatɛri caaman ye baarakɛyɔrɔw yɛlɛma ka taga yɔrɔ wɛrɛw la minw ka fisa ni gazi tɛ se ka don yɔrɔ minw na, nka u bele be baara kɛ ni EUE/NUE ka yɔrɔw ye. Kɔlɔn minw ka farati ka bon, o be yɔrɔ barikaman bɔ nɛgɛdaga la ka taga nɛgɛdaga kɔnɔ.

Koo minw na tuma caaman na, a ka ɲi ka kɛ sababu ye ka tubo ɲumanw don ɲɔgɔn na, u dɔw ye:

• Gazi kɔlɔnw ani tulu kɔlɔn minw be ni GORba ye, yɔrɔ minw na gazi nɔgɔya be wagatijan kɔnɔ ani annulus pressure ka kan ka kɔlɔsi koɲuman .
• Tubi juruw be se ka tigɛ siɲɛ caaman, ka asidi don u la, ka kɔlɔnw saniya ani ka baara gwɛlɛ wɛrɛw kɛ .
• Kɔlɔn minw be se ka se ani minw be yɛlɛmayɛlɛma, yɔrɔ minw na tubo be yɛlɛma, ka yɛrɛyɛrɛ ani ka yɛlɛma yɛlɛma boli ani baara wagati la
• Lamini minw kɔnɔ CO2 ka ca walima minw ka ca, yɔrɔ minw na ɲɔgɔndan lili be se ka kɛ yɔrɔ ye min be se ka kɛ sababu ye ka stress corrosion crack kɛ

O kɔlɔnw kama, tubo minw be ni ɲɔgɔnkunbɛn ɲumanw ye – minw be ni torsi kunkolo ye, nɛgɛdaga ani juru geometri ɲuman – be se ka dɔ bɔ kosɔbɛ ji bɔli ni sɛgɛsɛgɛri dɛsɛw la yɔrɔw la, ani ka lannaya di operasɔn jɛnkuluw ma n’u be nɛgɛso boli wala n’u be baara gwɛlɛw kɛra.

O la, a be se ka kɛ ko mɔgɔw be nafa caaman sɔrɔ n’u be minɛ i n’a fɔ API 5CT ka porogramu dafanin dɔ, u tɛ yɛlɛmaniw kɛ siɲɛ kelen dɔrɔn. O kɔrɔ ko:

• Labɛn kɛ ni kɔlɔn wala pad ye: k’a yira wagati minw mako be ɲɔgɔndanw na ani minw be se ka to hɛɛrɛ la ni API juru sariyaw ye
• Ka denbayaw to ɲɔgɔn fɛ i n’a fɔ a be se ka kɛ cogo min na juru wala foro kɔnɔ, ka baarakɛcogow nɔgɔya, ka fɛnw to yen ani ka baarakɛlaw kalan
• Ka sɛgɛsɛgɛli kɛ ni minanw bɛɛ be bɛn ɲɔgɔn ma – pup joints, crossovers, liner sirifɛnw, packers, safety valves ani baarakɛminan wɛrɛw .
• Ka luu kɔnɔ minanw saniya ni kulɛri gwɛninw ye, tagamasiɲɛw ani jatebɔw walisa ɲɔgɔndan minw tɛ bɛn ɲɔgɔn ma, u kana se nɛgɛso duguma

Ni u y’u minɛ o cogo la, premium konekisiyɔnw tɛ “fɛn kɛrɛnkɛrɛnnin tɔgɔ” dɔrɔn ye juru lisi kɔnɔ, nka u ye kɔlɔn tilenninya fɛɛrɛ yɔrɔ dɔ ye min ɲɛfɔra ka gwɛ.

Ɲiningali fɔlɔ: Kɔlɔn sugu jumanw lo ka teli ka ɲɔgɔn minɛ ni premium (kɛrɛnkɛrɛnnin) ye?
A1:HP gazi kɔlɔnw, HPHT/jii dun kɔlɔnw, ERD/high-deviation kɔlɔnw, degun-bisikili kɔlɔnw (gazi marayɔrɔ/CO2 pikiri), ani baara jugu jugu.

Ɲiningali 2nan: Mun lo b’a to ɲɔgɔndan min be kɛ ni premium ye, o ka gwɛlɛ ka tɛmɛ API ka juruw kan?
A2:Nɛgɛ-ka-nɛgɛ nɛgɛw ani make-up (torque shoulder) min be kɔlɔsi, o be dɛmɛ don ka ji bɔli bali ni funteni/degun ye.

Ɲiningali 3nan: Ne ka ɲi ka mun lo ɲini walisa ka premium connection ka baara sɛgɛsɛgɛ sanni n’ ka sanni kɛ?
A3:ISO 13679 walima API RP 5C5 ka setigiya, ka fara torsi sɛbɛw/boli sɛbɛw kan, juru jateminɛnan sɛbɛw ani MTC/sɛgɛsɛgɛri sɛbɛw.

Aw ka ɲɔgɔnye kɛ n’an ye

 

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Sɛrɛkiliw

 

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