Lub hom phiaj:
Cov kav dej roj yog cov kav dej uas tau txo qis rau hauv qhov dej thiab siv los tsim cov kua dej lossis cov kua dej. Casings yog cov kav hlau uas siv rau ntawm cov phab ntsa ntawm cov roj thiab cov qhov dej hauv cov roj los txhim kho lub qhov dej thiab tiv thaiv cov kav dej.
technical standard:
API 5CT: Specification rau Casing thiab Tubing
API Spec 5B: Specification for Machining, Measurement, and Inspection of Casing, Tubing, and Line Pipe Threads
API TP 5C3: Casing, tubing thiab kab yeeb nkab siv los ua casing lossis tubing cov qauv thiab kev suav thiab cov ntaub ntawv qhia txog kev ua haujlwm ntawm cov rooj zaum thiab tubing
TS EN ISO 13678 Roj thiab roj - Kev tshuaj xyuas thiab ntsuas cov roj roj rau cov kav, tubing thiab kab yeeb nkab
Hom Tshuaj:
ASTM steel kav thiab casings tuaj yeem muab faib ua cov qib steel sib txawv raws li lub zog ntawm cov hlau nws tus kheej, uas yog J55, K55, N80, L80, C90, T95, P110, Q125, V150, thiab lwm yam. qib. Nyob rau hauv ib puag ncig corrosive, lub casing nws tus kheej kuj yuav tsum muaj corrosion kuj. API seamless steel kav kuj yuav tsum muaj kev cuam tshuam-resistant casings nyob rau hauv cov chaw uas nyuaj geological tej yam kev mob.
Roj yeeb nkab specifications:
OD × WT 1.900〞~4.500〞×0.125〞~0.630〞
Cov specifications:
OD × WT 4.500〞~16.{4}0〞×0.205〞~0.660〞
tshuaj muaj pes tsawg leeg
|
txheem |
tshuaj muaj pes tsawg leeg | ||||||||||||
|
C |
Mn |
Mo |
Cr |
Ni |
Cu |
P |
S |
Si |
|||||
|
Min |
Max |
Min |
Max |
Min |
Max |
Min |
Max |
Max |
Max |
Max |
Max |
Max |
|
|
J55 |
|
|
|
|
|
|
|
|
|
|
0.030 |
0.030 |
|
|
K55 |
|
|
|
|
|
|
|
|
|
|
0.030 |
0.030 |
|
|
N80 |
|
|
|
|
|
|
|
|
|
|
0.030 |
0.030 |
|
|
L80-1 |
|
0.43 |
|
1.90 |
|
|
|
|
0.25 |
0.35 |
0.030 |
0.030 |
0.45 |
|
C90-1 |
|
0.35 |
|
1.00 |
0.25 |
0.75 |
|
1.20 |
0.99 |
|
0.020 |
0.010 |
|
|
C95 |
|
0.45 |
|
1.90 |
|
|
|
|
|
|
0.030 |
0.030 |
0.45 |
|
T95-1 |
|
0.35 |
|
1.20 |
0.25 |
0.85 |
0.40 |
1.50 |
0.99 |
|
0.020 |
0.010 |
|
|
P110 |
|
|
|
|
|
|
|
|
|
|
0.030 |
0.020 |
|
|
Q125 |
|
0.35 |
|
1.35 |
|
0.85 |
|
1.50 |
0.99 |
|
0.020 |
0.010 |
|
Mechanical cwj pwm
|
|
Yield zog | tensile zog | tawv | Cia rau hardness variation | |||||
| qis tshaj | Siab tshaj | qis tshaj | Siab tshaj | ||||||
|
Psi |
Mpa |
Psi |
Mpa |
Psi |
Mpa |
HRC |
BHN |
HRC |
|
|
J55 |
55000 |
379 |
80000 |
552 |
75000 |
517 |
|
|
|
|
K55 |
55000 |
379 |
80000 |
552 |
95000 |
655 |
|
|
|
|
N80 |
80000 |
552 |
110000 |
758 |
100000 |
689 |
|
|
|
|
L80-1 |
80000 |
552 |
95000 |
655 |
95000 |
655 |
23 |
241 |
|
|
C90 |
90000 |
621 |
105000 |
724 |
100000 |
689 |
25.4 |
255 |
3.0 |
|
C95 |
95000 |
655 |
110000 |
758 |
105000 |
724 |
|
|
|
|
T95 |
95000 |
655 |
110000 |
758 |
105000 |
724 |
25.4 |
255 |
3.0 |
|
P110 |
110000 |
758 |
140000 |
965 |
125000 |
862 |
|
|
|
|
Q125 |
125000 |
862 |
150000 |
1034 |
135000 |
931 |
|
|
3.0 |
