Cased-Hole vs Openhole: Tuma min na baara bɛ kɛ ni jirisunw ye minnu bɛ sɔgɔsɔgɔ walima ni pibilikiw ye minnu bɛ sɔgɔsɔgɔ

Bi ye barokun ye min bɛ fɔ kosɛbɛ "san jugu / boli jugu / baara kɛ kokura kɔfɛ" barokun min bɛ kɛ yɔrɔ la:Casing (Kasɔn) yevs. Slotted Casing Extension vs. Perforated Pipe-danfara ye mun ye tiɲɛ na?

N’a sɔrɔ aw ye ninnu mɛn ka kɔrɔ:

O bɛɛ ye pipe dɔrɔn de ye ni da wulilenw ye, ɔnhɔn?
Slots ni holes fila bɛɛ bɛ jiw bila ka don-u kelen bɛ baara kɛ.
An ka slotted casing extension dɔ boli dɔrɔn yen ka waati kisi kɔfɛ.

U mankan bɛ se ka kɛ, nka fili minnu musaka ka bon, olu bɛ daminɛ nin yɔrɔ tigitigi de la. Nin saba ninnu bɛ se ka kɛ ɲɔgɔn fɛ, nka u jɔra baara suguya wɛrɛw kama. Aw k’u minɛ i n’a fɔ fɛn kelen ani aw bɛ se ka laban ni sanding, plugging, run-in issues, walima sannifeere sugo-sɛbɛnw ni sɔnni tɛ bɛn poroze bɛ min ɲini.

An k’a jɛya u kelen-kelen bɛɛ bɛ min kama

Casing: kɔlɔn "kɔkolo" ye. Jateminɛ dɛmɛni, degun dafalen, zone isolation, ani siman basigilen. A ma dabɔ fɔlɔ i n’a fɔ donta yɔrɔ.
Slotted Casing Extension (Slotted Liner/Extension): jidon sira min bɛ cɛncɛn mara danma. Yɛlɛmaba minnu bɛ yen olu ye slot width ani slot pattern ye.
Pipe perforée (Perforated Liner): donna sira min bɛ tɛmɛ dingɛw fɛ. Yɛlɛmaba minnu bɛ yen olu ye dingɛ cɛmancɛ ye, dingɛ janya/cogo, ani yɔrɔ dafalen; cɛncɛn kɔlɔsili bɛ tali kɛ a ka c’a la, a bɛ tali kɛ dafalen kɛcogo bɛɛ lajɛlen na, a tɛ tali kɛ pibiliki dabɔlen dɔrɔn na.

Tablo dɔ bɛ dantigɛli di: U kelen-kelen bɛɛ bɛ min ɲɛnabɔ

Minɛn	Casing (Kasɔn) ye	Slotted Casing Extension (Liner/Extension min bɛ sɔgɔsɔgɔ) .	Pipe perforée (Liner perforé) .
Baara fɔlɔ	Kɔlɔnw jɔcogo dɛmɛni, zone isolation, degun kunbɛnni, siman basigilen	A bɛ doncogo di k’a sɔrɔ a bɛ baara kɛ ni slot hakɛ ye walasa ka cɛncɛn dɔw "minɛ" (cɛncɛn kɔlɔsili danma) .	A bɛ doncogo di dingɛw fɛ; bɛ se ka dafalen nɔgɔya walima ka se ka sigida doncogo kɛ
Yɔrɔ min bɛ kɛ cogoya la	Kɔlɔn dafalenw / casing strings ka kɛɲɛ ni cɛmancɛ ye	A ka ca a la, a bɛ kɛ dingɛ dafalen/sennasanbara cɛmancɛw cɛma i n’a fɔ liner/extension	A bɛ baara kɛ ni donta waati kɛrɛnkɛrɛnnenw ye; tuma dɔw la, a bɛ jate i n’a fɔ donta yɔrɔ wɛrɛ
Inflow control (Don doncogo kɔlɔsili).	A ka c’a la, a bɛ bɔ kɔfɛ perforating/completion baarakɛminɛnw na	A bɛ nɔ bila slot bonya + slot pattern + open area fɛ	A bɛ nɔ bila dingɛ cɛmancɛ la + dingɛ janya/cogo + da wulilen yɔrɔ
Cɛɲi kunbɛnni	U si tɛ a yɛrɛ la	Dantigɛlen don; bɛ bɔ slot bonya bɛnni na ni formation sand ye	A ka c’a la, a barika ka dɔgɔn ka tɛmɛ yɔrɔw kan minnu bɛ yɔrɔ dafalen kelen na; tuma caman na, a mago bɛ fɛɛrɛ wɛrɛw la
Faratiba minnu bɛ a la	Isolation dɛsɛ / dafalenya ani sɔnni koɲɛw	Slot bonya jugu → plugging walima sanding; slot burrs/edges → boli-koɲɛw ni degun bɔnɛni na	Dingɛ dilanni jugu → sɔgɔli/sɔgɔli; dingɛ burw/dakunw → boli-koɲɛw kɔnɔ
Dafalen mankutu	Danbe ni sɔnni de bɛ bila mɔgɔ la	Inflow + yeelen cɛncɛn marali bɛ boli	Inflow sira dilanni min bɛ boli

Kɔlɔsili koloma:Ni cased-hole applications, ka i jigi da screen/slotted section kan i n’a fɔ sand-kɔlɔsili fɛɛrɛ kelenpe, o bɛ se ka kɛ faratiba ye, bawoannulus/perforations bɛ se ka fa cɛncɛn na ani ka dɔ bɔ sɛnɛfɛnw sɔrɔli la; aw k’a jateminɛ dafalen bolodalen kɔnɔ.

Mun na u bɛɛ bɛ se ka "jiw bila ka don", nka foro jaabiw tɛ kelen ye?

1. Sabula da wulicogo (dingɛw ni sɔgɔli) bɛ fɛn saba Changer: plugging vs. sanding sensitivity, erosion life, ani run-in risk.

Plugging vs. sanding: da wulicogo jugu bɛ kɛ sababu ye ka dɛsɛw kɛ minnu bɛ ɲɔgɔn sɔsɔ
Slot bonya/dingɛ cɛmancɛ ka dɔgɔ kojugu : a dabɔli farati ka bon, tansiyɔn jiginni ka bon, a ka baarakɛcogo bɛ dɔgɔya (tuma dɔw la a bɛ daminɛ "fine" ani a bɛ tiɲɛ waati tɛmɛnen kɔfɛ).

A ka bon kojugu: cɛncɛn farati ka bon, jikuruw jiginni, ani tiɲɛni min bɛ kɛ ka ɲɛsin valve/manifolds ni minɛn wɛrɛw ma.

A ka c’a la, slotiw bɛ sugandi "cɛncɛn yeelen marali" kama bawo slot bonya bɛ se ka kɛ i n'a fɔ filtration scale. Nka hali bi a ye cɛncɛn kɔlɔsili "yeelen" ye, a tɛ cɛncɛn-kɔlɔsili sira dafalen ye.

2. Sɔgɔsɔgɔninjɛ : dakunw ye barikantanya yɔrɔw ye
Ni hakɛ caman bɛ ni fɛn gɛlɛnw ye ani ni jibɔ ka bon, sɔgɔli dawolo ni dingɛ da fila bɛɛ bɛ se ka sɔgɔ. Yɔrɔ dafalen min ka bon, o tɛ fisaya a yɛrɛma. Sɔgɔsɔgɔninjɛ ɲɛnamaya ni dawolo cogoya (deburring, edge finishing, cleaning) ka kan ka lajɛ ɲɔgɔn fɛ ni doncogo dilanni ye.

3. Boli- farati la : "se tɛ se k'a boli" ko caman bɛ bɔ masinw kɔlɔsili jugu la

Ni burw, deformation, walima saniya ma kɔlɔsi slotting/perforating kɔfɛ, aw bɛ se ka a ye:

hang-ups boli waati-in
drift/ID dɛsɛw
sigida bɔgɔbɔgɔli min bɛ dan sigi baarakɛminɛn nataw la

O de y'a To porozɛ ɲumanw tɛ "paramètres d'ouverture" dɔrɔn de ɲini. U bɛ sɔnni sɛbɛnw fana ɲini (drift/ID sɛgɛsɛgɛliw, dimensionnel rapɔɔriw) ani dakunw dafara cogo min na. Octal Pipe porozɛw kama, a ka c’a la, o fɛnw bɛ bɛn ɲɔgɔn ma joona-da wulicogo hakɛw ni u labɛncogo, dakun labancogo, drift/hakɛ sɛbɛnw, ani sɛbɛnni pake min bɛ bɛn ɲɔgɔn ma-walasa yɔrɔ kana laban ka koɲɛw ɲɛnabɔ minnu bɛ se ka bali.

perforated casing hole pattern close-up-octal pipe cased hole sand control flow path illustration-octal pipe

Sugandili fili saba minnu ka teli ka kɛ

Ɲɛjirali A: I b’a miiri ko i mago bɛ cɛncɛn kɔlɔsili la, nka i mago bɛ doncogo dɔrɔn de la
Ni formation tɛ teli ka kɛ cɛncɛn ye, ka yɔrɔw sugandi "for sand control" o bɛ se ka dɔ fara plugging farati kan ani ka degun bɔnɛ. A ka c’a la, dilancogo min bɛ kɛ ni dawolo ye, o bɛ se ka kɛ, wa a ɲɛfɔli ka nɔgɔn (dingɛ cɛmancɛ, a janya, a da wulilen cɛmancɛ janya).

Ɲɛjirali B : I b’a jira ko dingɛw/slots dɔrɔn de bɛna cɛncɛn kunbɛnni ɲɛnabɔ, nka dafalen tɛ ni kɔkannafɛn ye
Ni cɛncɛn bɛ se ka kɛ (a hakɛ ka ca, a jigincogo ka ca, fɛn gɛlɛnw nafama), ka i jigi da dingɛw walima jirisunw dɔrɔn kan, o bɛ se ka kɛ farati ye. Ni aw mago bɛ ɛkranw na, kabakurunw pakew, walima cɛncɛn-kɔlɔsili sira wɛrɛw la, o ye sistɛmu-dakun latigɛ ye, a tɛ kɛ "slots vs. holes" dɔrɔn ye.

Ɲɛjirali C: I bɛ sɔnni ni sɛbɛnni dɔgɔya
Ni EPC/TPI/bɔli wajibiyalenw ye, koɲɛw ka teli ka bɔ sɛbɛnw ni sɔnni dakunw na:

RFQ bɛ wele bila 3.1/3.2, NDT, sɛgɛsɛgɛli sɛbɛnw ma, nka a feerela tɛ se ka seti dafalenw di
Aw mago bɛ MDR/Data Book la, nka aw bɛ MTC basigilen dɔrɔn de sɔrɔ
Aw mago bɛ da wuli hakɛ/labɛn sɛbɛnw na, nka aw bɛ daɲɛw dɔrɔn de dafa

Nin yɔrɔ in de la porogaramuw bɛ sɛgɛn. A ka c’a la, Octal Pipe bɛ daminɛ ni sɛbɛnw lisɛli jɛlen dɔ labɛnni ye (min bɛ ci ka daminɛ, min bɛ se ka kɛ, min mago bɛ mɔgɔ sabanan-seereya la) walasa ka dɔ bɔ sɔnni dannayabaliya la joona.

Walasa ka teliya ka ɲɔgɔn sɔrɔ slotiw ni dingɛw kan, aw bɛ aw labɛn

Dafalen suguya: da wulilen walima cased-dingɛ; yala perforating bɛna kɛ yɔrɔ wɛrɛ la wa?
Formation : cɛncɛn hakɛ tilatilali, fines kɔnɔkow, sanding tariku
Hakɛ ni jigin : laɲini hakɛ ani degun jigincogo makɔnɔnen
Baarakɛyɔrɔ : kunnafonidilanw, funteni, CO2/H2S, fɛn gɛlɛnw doni
Fɔlɔ : ka doncogo caya / ka cɛncɛn dɔgɔya / ka ɲɛnamaya caya
Pipe basigilenw : OD, kogo janya, grade, connection, janya
Dabɔcogo : dakun bonya walima dingɛ cɛmancɛ, misali/yɔrɔ, da wulilen cɛmancɛ janya, laɲini da wuliyɔrɔ
Sɔn & sɛbɛnw: drift/ID rapɔɔri, deburring wajibiyalen, NDT, sɛgɛsɛgɛliw, 3.1/3.2, MDR/Data Book, TPI seere ni a wajibiyalen don

Ɲininkali minnu bɛ kɛ tuma caman na

J1: Yala slotted liner ni screen ye kelen ye wa?
A tɛ tigitigi. Slotted liner bɛ baara kɛ ni masin slots ye; "ekran" ka teli ka ɲɛsin cɛncɛn-kɔlɔsili dilancogo kɛrɛnkɛrɛnnenw ma. Slots bɛ se ka kɛ don/cɛncɛn-maracogo nɔgɔman ye, k’a sɔrɔ a ka c’a la, ɛkranw ye cɛncɛn-kɔlɔsili fɛɛrɛ kɛrɛnkɛrɛnnen dɔ ye.

J2: Yala yɔrɔ dafalen caman ka fisa tuma bɛɛ wa?
A tɛ kɛ tuma bɛɛ. Da caman bɛ se ka dɔ fara bɔgɔbɔgɔli farati kan, ka sigida fanga dɔgɔya, ani ka mɔgɔw ka teli ka fɛnw datugu walima ka u sɔgɔ. A bonya ni a kɛcogo ɲuman bɛ bɔ a dilanni ni a baarakɛcogo la.

J3: Ni cased-hole don, yala ne bɛ se ka n jigi da slots/holes kan i n’a fɔ cɛncɛn kunbɛnni kelenpe wa?
Aw ye aw janto aw yɛrɛ la. Cased-hole kɛcogo fana bɛ bɔ perforations, annulus cogoyaw, ani cɛncɛn bilali la. A ka c’a la, a ka fisa ka yɔrɔw/dingɛw jateminɛ i n’a fɔ dafalen bɛɛ lajɛlen ni cɛncɛn-kɔlɔsili bolodalen dɔ.

Kɔlɔsili laban
Aw kana a daminɛ ni "slots walima holes" ye. Aw bɛ a daminɛ ni kuntilenna lakika ye o cɛmancɛ la: dafalen/danfara, doncogo, walima cɛncɛn kɔlɔsili. Ni laɲini jɛlen don, sugandili bɛ teliya-wa ni cɛmancɛ ka kan ka tɛmɛ sɔnni gɛlɛn kan, dakun dakunw ni sɛbɛnw foroko ɲɛfɔ waati kelen na.