Mfuko wa mafuta ni bomba kubwa la kipenyo ambalo hutumika kama kihifadhi muundo, linaweza kulinda uso wa chini na kutoboa vizuri kutoka.
kuanguka na kuruhusu maji ya kuchimba visima kuzunguka na uchimbaji.
Vipimo
Kawaida: API 5CT.
casing ya chuma imefumwa na mabomba ya neli: 114.3-406.4mm
svetsade casing chuma na mabomba neli: 88.9-660.4mm
Vipimo vya Nje: 6.0mm-219.0mm
Unene wa ukuta: 1.0-30 mm
Urefu: max 12m
Nyenzo: J55, K55, N80-1, N80-Q, L80-1, P110, nk.
Muunganisho wa nyuzi: STC, LTC, BTC, XC na muunganisho wa Premium
Kawaida |
API 5CT/ ISO11960 |
|
Daraja |
Kikundi.1 |
H40/PSL.1, J55/PSL.1, J55/PSL.2, J55/PSL.3, K55/PSL.1, K55/PSL.2, K55 /PSL.3, |
Kikundi.2 |
M65/PSL.1, M65/PSL.3, L80/PSL.2, L80(1)/PSL.1, L80(1)/PSL.3, L80(9Cr) /PSL.1, |
|
Kikundi.3 |
P110/PSL.1, P110/PSL.2, P110/PSL.3, |
|
Kikundi.4 |
Q125/PSL.1, Q125/PSL.2, Q125/PSL.3, |
|
Kiwango cha Chini cha Agizo |
Tani 1 |
|
Safu za Kipenyo cha Nje |
Mirija |
Inchi 1.315 hadi 4 1/2 inchi au 48.26mm hadi 114.3mm |
Casing |
4 1/2 inchi hadi 13 3/8 inchi au 114.3mm hadi 339.72mm |
|
Unene wa Ukuta |
Kulingana na API 5CT Standard |
|
Urefu |
Mirija |
R1 (6.10m hadi 7.32m), R2 (8.53m hadi 9.75m), R3 (11.58m hadi 12.80m) |
Casing |
R1 (4.88m hadi 7.62m), R2 (7.62m hadi 10.36m), R3 (10.36m hadi 14.63m) |
|
Aina |
Imefumwa |
|
Aina ya Mwisho-Kumaliza |
Mirija |
P, I, N, U |
Casing |
P, S, B, L |
Vipimo
Ukubwa wa Casing Bomba, Ukubwa wa Casing Oilfield & Ukubwa wa Casing Drift | |
Kipenyo cha Nje (Ukubwa wa Bomba la Casing) | 4 1/2"-20", (114.3-508mm) |
Ukubwa wa Casing Kawaida | 4 1/2"-20", (114.3-508mm) |
Aina ya Thread | Mkoba wa uzi wa buttress, Uzio mrefu wa mviringo, Uzio mfupi wa duara |
Kazi | Inaweza kulinda bomba la bomba. |
Muundo wa Kemikali
Daraja | C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr≤ | Ni≤ | Cu≤ | Mo≤ | V≤ | Als≤ |
API 5CT J55 | 0.34-0.39 |
0.20-0.35 |
1.25-1.50 |
0.020 |
0.015 |
0.15 |
0.20 |
0.20 |
/ |
/ |
0.020 |
API 5CT K55 | 0.34-0.39 |
0.20-0.35 |
1.25-1.50 |
0.020 |
0.015 |
0.15 |
0.20 |
0.20 |
/ |
/ |
0.020 |
API 5CT N80 | 0.34-0.38 |
0.20-0.35 |
1.45-1.70 |
0.020 |
0.015 |
0.15 |
/ |
/ |
/ |
0.11-0.16 |
0.020 |
API 5CT L80 | 0.15-0.22 |
1.00 |
0.25-1.00 |
0.020 |
0.010 |
12.0-14.0 |
0.20 |
0.20 |
/ |
/ |
0.020 |
API 5CT J P110 | 0.26-035 |
0.17-0.37 |
0.40-0.70 |
0.020 |
0.010 |
0.80-1.10 |
0.20 |
0.20 |
0.15-0.25 |
0.08 |
0.020 |
Sifa za Mitambo
Daraja la chuma |
Nguvu ya Mazao (Mpa) |
Nguvu ya Mkazo (Mpa) |
API 5CT J55 |
379-552 |
≥517 |
API 5CT K55 |
≥655 |
≥517 |
API 5CT N80 |
552-758 |
≥689 |
API 5CT L80 |
552-655 |
≥655 |
API 5CT P110 |
758-965 |
≥862 |