Tuma jumɛn na aw mago bɛ Premium Connections la API 5CT Casing ani Tubing kama?

Kɔlɔn schematiki dɔ kan, .casing (kasi) min bɛ kɛanitubabukan najuruw bɛ i ko nɔgɔya la: OD, girinya, grade, drift. Foro kɔnɔ, bɔgɔbɔgɔli ni dafalenya gɛlɛyaw bɛ se ka daminɛ abada pibiliki farikolo la – u bɛ daminɛ ɲɔgɔndanw na.

API 5CT (API 5CT) yeye sariyakolo jɔnjɔn ye min bɛ kɛ ka ɲɛsin jirisunw ni tubabukan fila bɛɛ ma : a bɛ grades, dimensions ani standard thread forms ɲɛfɔ i n’a fɔ STC/LTC/BTC ka ɲɛsin casing ma ani NUE/EUE ka ɲɛsin tubing ma. Tubabukan na, petoroli kɔlɔn kɔrɔ caman na, o API jɛɲɔgɔnyaw ye jaabi ɲuman ye hali bi. Nka gazi kɔlɔn minnu bɛ tansiyɔnba la, HP/HT baarakɛyɔrɔw la, yɔrɔ janw na minnu bɛ jɛgɛn ani kɔlɔnw kɔnɔ minnu bɛ wotoro kosɛbɛ, faratiba bɛ bɔ nɛgɛ farikolo la ka taa ɲɔgɔndan dilancogo la. O yɔrɔ de la ɲɔgɔndan kɛrɛnkɛrɛnnen / premium bɛ don.

API 5CT ni API 5B bɛ jiri denbaya kunbabaw ɲɛfɔ ka ɲɛsin casing ni tubing ma:

Casing (Kasɔn) ye

• STC – Fila surun min bɛ ɲɔgɔn kan (kurun surun) .
• LTC – Fil jan Couplé (ronde jan) .
• BTC – Buttress Filɛri min bɛ ɲɔgɔn kan

Tubabukan na

• NUE – Laban min tɛ dimi
• EUE – Kɛnɛma dimi laban

O ɲɔgɔndan sariyalenw ye:

• A barika ka bon (tension, compression, torque) dugukolo ni kɔlɔn kɔrɔ caman na
• A musaka ka dɔgɔ ani a bɛ sɔrɔ yɔrɔ bɛɛ
• A dɔnna rig baarakɛlaw fɛ, ni ekosisɛti dafalen ye min bɛ ni fɛn wɛrɛw ye minnu bɛ bɛn ɲɔgɔn ma

Nka tiɲɛ fila bɛ yen minnu tɛ mɔgɔ lafiya:

• API jiribolo lamininenw (STC/LTC) ma dabɔ walasa u ka gazi‐tight dafalen kɛ ni tansiyɔnba ye; u bɛ u jigi da jirisunw faralen ɲɔgɔn kan kosɛbɛ ani fɛnw doncogo kan.
• Hali BTC bɛ jɔli seko bila jɔyɔrɔ fɔlɔ la fɔlɔ, ka gazi‐tightness bila jɔyɔrɔ filanan na.

Ni degun damadɔw bɛ yen, minnu fanba ye jilama baara ye ani sira minnu ka nɔgɔn kosɛbɛ, o bɛ Sɔn. Ni degun, gazi tilayɔrɔba, funteni ani deviation bɛ wuli, "good enough" min bɛ ɲɔgɔndan fan fɛ, o bɛ daminɛ ka kɛ i n'a fɔ "design margin eroded".

Ni kɔlɔnw tɛmɛna anwɛlɛki kɔrɔlen kan dɔrɔn, o tɛ kɛ tugun ka kɛ ka casing connections (kasɛti) ɲɔgɔndanw sɛmɛntiya dɔrɔn. Tubabu bɛ se ka kɛ jibɔ sira kɔrɔlen ye ani sɛgɛn yɔrɔ min ka di fana.

A ka c’a la, jɛgɛn premium walima ɲɔgɔndan kɛrɛnkɛrɛnnenw bɛ jateminɛ ni nin fɛn dɔw ye tiɲɛ ye:

• Gazi kɔlɔn minnu bɛ tansiyɔnba la, yɔrɔ minnu na, kasɛti tansiyɔn sabatilen o tansiyɔn bɛ yen, o ye haminankoba ye
• HP/HT ani ji jugumanba kɔlɔnw minnu ka pɛrɛn, bin ani tension doni faralen ɲɔgɔn kan ka bon
• Kɔlɔn minnu bɛ se ka janya ani minnu bɛ bɔ ɲɔgɔn na kosɛbɛ, ni u kɔrɔtalen don kosɛbɛ ani u senw ka juguya
• Gazi marayɔrɔ, CO2 pikiri ani a fili kɔlɔnw ni degun sɛgɛsɛgɛli bɛ kɛ tuma caman na
• Baarakɛcogo nɔgɔlen jugumanba, yɔrɔ min na kari daminɛni ni a falenni jiri ju la, o ka kan ka kɔlɔsi kosɛbɛ
• Kɔlɔn dilanni minnu bɛ jɛgɛn baarakɛcogo wajibiya k’a jɛya walasa ka bɛn walima ka tɛmɛ pibiliki farikolo hakɛw kan

O kɔlɔnw kɔnɔ, ka to STC/LTC/BTC ani NUE/EUE la, o kɔrɔ tɛ "lakanabaliya" ye a yɛrɛma – nka o kɔrɔ ye ko jɛɲɔgɔnya baarakɛcogo anwɛlɛki sigilen bɛ ka surun kosɛbɛ dilancogo anwɛlɛki la. Yɛlɛma o torque, surface treatment, make‐up practice walima baarakɛcogo bɛ se ka kɛ sababu ye ka sistɛmu bila gɛlɛya la.

Premium / special connections sigilen bɛ API 5CT pipe farikolow kan, nka u bɛ fɛn caman Changer cogo min na joint bɛ datugu ani ka doni ta. U fanba bɛ fɛn koloma damadɔw kɛ:

Nɛgɛ‐ka‐nɛgɛ sigilanw
Sani u ka u jigi da jiriw faralen dɔrɔn kan, dilancogo ɲumanw bɛ nɛgɛ ni nɛgɛ siriyɔrɔ kelen walima caman na minnu bɛ ɲɔgɔnkanu degunba lase make‐up torque ma. O b’a to u bɛ se ka gazi‐tight baarakɛcogo sabati degun ni funteni cyclage kɔnɔ.

Torque kamankun
Torque shoulder ɲɛfɔlen bɛ jɔli ɲuman di make‐up laban na. O bɛ girinya kɔlɔsili ɲɛ, ka dɔ bɔ girinya tɛmɛnen tiɲɛni farati la, ani ka dɔ fara kuruli ni wuli seko kan kɔlɔnw kɔnɔ minnu bɔra sira kan ani ERD kɔlɔnw kɔnɔ.

Filɛri jateminɛcogo ɲuman
Filɛri suguya minnu labɛnna kokura, olu bɛ dɔ bɔ degun hakɛ la ani ka doni tila jiribolo kɛrɛfɛ minnu bɛ baara kɛ kosɛbɛ. O bɛ sɛgɛn baara ɲɛ ka taa a fɛ yɔrɔ min na juru bɛ ​​jiginni, kɔrɔta ani degun caman yeli ye yɔrɔ min na.

Flush ni semi‐flush suganditaw
Yɔrɔ minnu na OD bonya nafa ka bon kosɛbɛ – liner sanfɛyɔrɔw kɛrɛfɛ, tie‐back points walima dankarili gɛlɛnw – flush walima semi‐flush jɛɲɔgɔnyaw bɛ OD kɔrɔsilen mara ka sɔrɔ u bɛ fanga ni sigili di hali bi.

Setigiya dafalen
Bi sɔngɔko ɲɔgɔndanw bɛ se ka kɛ cogoya la ni ISO 13679 / API RP 5C5 walima o ɲɔgɔnna sɛgɛsɛgɛli dafalenw ye, minnu bɛ doni faralenw, wotoro bolicogo ani, a ka c’a la, kɔrɔtacogo datugu. O bɛ ja lakika di jɛɲɔgɔnya bɛ kɛ cogo min na foro ɲɔgɔnna anwɛlɛkiw jukɔrɔ, a tɛ kɛ sɛgɛsɛgɛli kelen dɔrɔn ye.

O nafaw nafa ka bon ka kɛ casing ni tubing fila bɛɛ la:

• Ka ɲɛsin casing ma, sinsin bɛ kɛ structurel integrity bɛɛ lajɛlen kan ani gazi‐tightness kuntaalajan kan.
• Tubabukan na, i bɛ baarakɛcogo sɛgɛsɛgɛliw, wulicogo, kɔlɔn kɔlɔsili baarakɛcogo ani degun caman caman cili fara a kan sanfɛ.

Ni kɔlɔn dilanni ye wele bila ka ɲɛsin ɲɔgɔndanw ma minnu ka bon kosɛbɛ, baara tɛ "fiɲɛ kɛrɛnkɛrɛnnen sanni" ye tugun. A b’o jὲɲɔgɔnyaw Dòn OCTG ka dilancogo ni QA cakɛda bɛɛ la.

A ka c’a la, ɛntɛrinɛti sɛgɛsɛgɛli sɛbɛn nafama dɔ kɔnɔ:

Aw bɛ baarakɛcogo anwɛlɛki ɲɛfɔ ka jɛya

• Degunw ni funteni hakɛ cayalenba ni a dɔgɔyalenba juru kelen-kelen bɛɛ la
• Gazi‐tightness wajibiyalen ani casing tansiyɔn sabatilen min bɛ se ka kɛ
• Dogleg juguya makɔnɔnen ani jiginni fɛn o fɛn bolodalen don doni kɔrɔ
• Baarakɛcogo ni dusudon bolodalenw minnu bɛ sɛgɛsɛgɛli wɛrɛw don sen kan

Jɛɲɔgɔnya setigiya wajibiyalenw fɔ

• ISO 13679 / API RP 5C5 sɛgɛsɛgɛli hakɛ wajibiyalen (misali la, CAL IV HP/HT baarakɛcogo jugumanba kama)
• Anwɛlɛki doni minnu ka kan ka datugu (tansiyɔn faralen ɲɔgɔn kan, degun, kɔnɔna / kɛnɛma tansiyɔn, kɔrɔta ni a bɛnnen don) .
• Sour‐service walima corrosion sɛgɛsɛgɛli fɛn o fɛn ka kan ka kɛ ka tɛmɛ basigi pipe wajibiyalenw kan

Aw bɛ pipe farikolo ni ɲɔgɔndan baarakɛcogo bɛn ɲɔgɔn ma

• Aw bɛ a sɛgɛsɛgɛ ko jɛgɛncogo, a pɛrɛnni ani a bincogo bɛ bɛn walima ka tɛmɛ pibiliki farikolo hakɛ sugandilen ni kogo janya kan
• Walasa ka dilanw kɛ minnu bɛ bin kosɛbɛ, aw bɛ a lajɛ ni ɲɔgɔndan tɛ kɛ yɔrɔ barikama ye binni na

Sɛgɛsɛgɛli, make‐up ani sɛbɛnniw boloda ka kɔn o ɲɛ

• Aw bɛ jiriw jateminɛcogo ni a lajɛcogo ɲɛnamaw ɲɛfɔ jirisunw dilanni yɔrɔ la
• Aw bɛ make‐up torque windows ni kɔlɔsili wajibiyalenw fɔ casing ni tubing fila bɛɛ la
• MTCw, ɲɔgɔndan seko kunnafoniw, torque charts ani boli gafew bɛna minɛ cogo min na OCTG kunnafonidilanw kɔnɔ ani kɔlɔnw dosiyew kɔnɔ, olu labɛn

Ka jɛgɛnsira sɔngɔ gɛlɛnw minɛ i n’a fɔ dilancogo dɔ – a tɛ kɛ miiri kɔfɛ – o de bɛ sɔsɔliw bali kɔfɛ rig la walima sariyaw lajɛ waati.

Baarakɛla caman ye sɛnɛfɛnw dilanni kɛsu wuli kaban ka taa ɲɔgɔndan ɲumanw na, gazi‐tight connections, nka hali bi u bɛ EUE/NUE tubing standard boli. Kɔlɔn minnu farati ka bon, o bɛ jɛgɛn barikama wuli ka bɔ kɛsu la ka taa tubabukan na.

Tuma caman na, tubabukan premium ɲɔgɔndanw bɛ jo sɔrɔ cogo minnu na, olu dɔw ye:

• Gazi kɔlɔnw ani tulubɔyɔrɔw minnu ka GOR ka bon, yɔrɔ minnu na tubabukan gazi sirili kuntaalajan nafa ka bon ani annulus tansiyɔn ka kan ka kɔlɔsi kosɛbɛ
• Tubabukan juruw tun bɛ ɲini ka segin-ka-bɔnye ye, ka asidi kɛ, ka kɔlɔnw saniya ani ka fɛɛrɛ gɛlɛn wɛrɛw kɛ
• Kɔlɔn minnu bɛ se ka janya ani minnu bɛ ɲɔgɔn kan, yɔrɔ minnu na tubabukan bɛ kɔrɔta, ka yɛrɛyɛrɛ ani ka wuli kosɛbɛ boli ni a dilanni senfɛ
• Lamini minnu ka nɔgɔn walima minnu ka CO2 ka ca, yɔrɔ minnu na ɲɔgɔndan ju ye yɔrɔ ye min bɛ se ka kɛ degun sɔgɔli kariyɔrɔ ye

O kɔlɔnw kama, tubabukan minnu bɛ ni ɲɔgɔndan ɲumanw ye – minnu bɛ ni girinya kamankun ye, nɛgɛdaga ani jiriw jateminɛcogo ɲuman – olu bɛ se ka dɔ bɔ kosɛbɛ bɔgɔbɔli ni sɛgɛn dɛsɛw la jogindaw la, ka daŋaniyaba di baarakɛlaw ma ni u bɛ wotoro degun walima ni u bɛ wale gɛlɛnw kɛ.

Premium ni ɲɔgɔndan kɛrɛnkɛrɛnnenw bɛ nafa caman di ni u bɛ minɛ i n’a fɔ API 5CT casing ni tubing porogaramu dafalen dɔ, a tɛ kɛ siɲɛ kelen sɛgɛsɛgɛli ye. A ka c’a la, o kɔrɔ ye ko:

• Labɛnni ni kɔlɔn walima pad ye : ka ɲɛfɔli kɛ cɛmancɛ minnu mago bɛ ɲɔgɔndan ɲumanw na ani minnu bɛ se ka to lafiya la ni API jirisunw ye minnu bɛ kɛ ka kɛɲɛ ni sariya ye
• Ka jɛɲɔgɔnya denbayaw to ɲɔgɔn na i n’a fɔ a bɛ se ka kɛ cogo min na juru walima foro kɔnɔ, walasa ka taabolo nɔgɔya, ka fɛnw falen ani ka baarakɛlaw kalan
• Ka bɛnkan lajɛ fɛn wɛrɛw bɛɛ la – pup joints, crossovers, liner hangers, packers, safety valves ani completion hardware wɛrɛw
• Ka foro logistiki saniya ni kulɛri kode jɛlen ye, taamasiyɛnw ani jatew walasa ɲɔgɔndan minnu tɛ bɛn ɲɔgɔn ma, olu kana se rig duguma

Ni a ɲɛnabɔra o cogo la, premium jɛgɛnw tɛ "fɛn kɛrɛnkɛrɛnnen tɔgɔ" dɔrɔn ye sɛrɛkili lisi kɔnɔ, nka kɔlɔn dafalen fɛɛrɛ yɔrɔ dɔ ye min ɲɛfɔlen don ka jɛya.

J1: Kɔlɔn suguya jumɛnw de ka teli ka kɛ ni ɲɔgɔndan premium (kɛrɛnkɛrɛnnenw) ye?
A1:HP gazi kɔlɔnw, HPHT/ji juguman kɔlɔnw, ERD/high-deviation kɔlɔnw, degun-bisikili kɔlɔnw (gazi marali/CO2 pikiri), ani sour service jugu.

J2: Mun bɛ premium connection kɛ gazi-tight ye ka tɛmɛ API standard threads kan?
A2:Nɛgɛ-ka-nɛgɛ sigilanw ani make-up kɔrɔsilen (torque shoulder) bɛ dɛmɛ ka bɔgɔbɔli kunbɛnni sabati funteni/tansiyɔn cycle kɔnɔ.

J3: Ne ka kan ka mun ɲini walasa ka premium connection baarakɛcogo sɛgɛsɛgɛ sani ne ka sanni kɛ?
A3:ISO 13679 walima API RP 5C5 ka setigiya, ka fara torque charts/running manual kan, thread gauging sɛbɛnw, ani MTC/sɛgɛsɛgɛli sɛbɛnw.

Aw ye ɲɔgɔn sɔrɔ Anw fɛ

 

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