Oil casing bụ nnukwu dayameta ọkpọkọ na-eje ozi dị ka tructural retainer, ọ nwere ike ichebe ma subsurface na nke ọma mụụrụ si.
na-ada na ikwe ka mmiri na-egwupụta ihe na-ekesa na mmịpụta.
Nkọwapụta
Ọkọlọtọ: API 5CT.
enweghị nkebi nchara casing na tubing ọkpọkọ: 114.3-406.4mm
welded ígwè casing na tubing ọkpọkọ: 88.9-660.4mm
Akụkụ elu: 6.0mm-219.0mm
Ọkpụrụkpụ mgbidi: 1.0mm-30 mm
Ogologo: max 12m
Ihe: J55, K55, N80-1, N80-Q, L80-1, P110, wdg.
Njikọ eriri: STC, LTC, BTC, XC na njikọ adịchaghị
Ọkọlọtọ |
API 5CT/ ISO11960 |
|
Ọkwa |
Otu.1 |
H40/PSL.1, J55/PSL.1, J55/PSL.2, J55/PSL.3, K55/PSL.1, K55/PSL.1, K55/PSL.2, K55 /PSL.3, |
Otu.2 |
M65/PSL.1, M65/PSL.3, L80/PSL.2, L80(1)/PSL.1, L80(1)/PSL.3, L80(9Cr) /PSL.1, |
|
Otu.3 |
P110/PSL.1, P110/PSL.2, P110/PSL.3, |
|
Otu.4 |
Q125/PSL.1, Q125/PSL.2, Q125/PSL.3, |
|
Ọnụ ego kacha nta |
1 Tọn |
|
Oke dayameta dị n'èzí |
tubing |
1.315 inch ka 4 1 /2 inch ma ọ bụ 48.26mm ka 114.3mm |
Casing |
4 1 / 2 inch ruo 13 3 / 8 inch ma ọ bụ 114.3mm ruo 339.72mm |
|
Ọkpụrụkpụ mgbidi |
Dị ka API 5CT Standard si dị |
|
Ogologo |
tubing |
R1 (6.10m ruo 7.32m), R2 (8.53m ruo 9.75m), R3 (11.58m ruo 12.80m) |
Casing |
R1 (4.88m ruo 7.62m), R2 (7.62m ruo 10.36m), R3 (10.36m ruo 14.63m) |
|
Ụdị |
Enweghị ntụpọ |
|
Ụdị ngwụcha-Imecha |
tubing |
P, I, N, U |
Casing |
P, S, B, L |
Akụkụ
Nha nke mkpuchi ọkpọkọ, nha ncha nchara n'ubi mmanụ & nha mkpagharị akpaaka | |
Dayameta dị n'elu (Nha ọkpọkọ mkpuchi) | 4 1/2"-20", (114.3-508mm) |
Ọkọlọtọ casing nha | 4 1/2"-20", (114.3-508mm) |
Ụdị eriri | Mkpịsị ugodi eri na-agba agba, ogologo eriri eri ogologo, Mkpirisi eri nke mkpirisi |
Ọrụ | Ọ nwere ike ichebe ọkpọkọ tubing. |
Ngwakọta kemịkalụ
Ọkwa | 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 |
Ihe eji arụ ọrụ
Ọkwa ígwè |
Ike Mpụta (Mpa) |
Ike tensile (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 |