Technical parameters of casing pipe:
| Sizes | OD D mm |
Weight kg/m |
WT t mm |
Type of end | ||||||||
| Â | Â | Â | Â | H40 | J55 K55 |
M65 | L80 C95 |
N80 1ã€Q |
C90 T95 |
P110 | Q125 | |
| 1 | 2 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 4-1/2 4-1/2 4-1/2 4-1/2 4-1/2 |
9.50 10.50 11.60 13.50 15.10 |
114.30 114.30 114.30 114.30 114.30 |
14.14 15.63 17.26 20.09 22.47 |
5.21 5.69 6.35 7.37 8.56 |
PS – – – – |
PS PSB PSLB – – |
PS PSB PLB PLB – |
– – PLB PLB – |
– – PLB PLB – |
– – PLB PLB – |
– – PLB PLB PLB |
– – – – PLB |
| 5 5 5 5 5 5 5 |
11.50 13.00 15.00 18.00 21.40 23.20 24.10 |
127.00 127.00 127.00 127.00 127.00 127.00 127.00 |
17.11 19.35 22.32 26.79 31.85 34.53 35.86 |
5.59 6.43 7.52 9.19 11.10 12.14 12.70 |
– – – – – – – |
PS PSLB PSLBE – – – – |
PS PSLB PLB PLB PLB – – |
– – PLBE PLBE PLB PLB PLB |
– – PLBE PLBE PLB PLB PLB |
– – PLBE PLBE PLB PLB PLB |
– – PLBE PLBE PLB PLB PLB |
– – – PLBE PLB PLB PLB |
Â
| Sizes | OD D mm |
Weight kg/m |
WT t mm |
Type of end | ||||||||
| H40 | J55 K55 |
M65 | L80 C95 |
N80 1ã€Q |
C90 T95 |
P110 | Q125 | |||||
| 1 | 2 | |||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 5-1/2 |
14.00 15.50 17.00 20.00 23.00 26.80 29.70 32.60 35.30 38.00 40.50 43.10 |
139.70 139.70 139.70 139.70 139.70 139.70 139.70 139.70 139.70 139.70 139.70 139.70 |
20.83 23.07 25.30 29.76 34.23 39.88 44.20 48.51 52.53 56.55 60.27 64.14 |
6.20 6.98 7.72 9.17 10.54 12.70 14.27 15.88 17.45 19.05 20.62 22.22 |
PS – – – – – – – – – – – |
PS PSLBE PSLBE – – – – – – – – – |
PS PSLB PLB PLB PLB – – – – – – – |
– – PLBE PLBE PLBE – – – – – – – |
– – PLBE PLBE PLBE – – – – – – – |
– – PLBE PLBE PLBE P P P P P P P |
– – PLBE PLBE PLBE – – – – – – – |
– – – – PLBE – – – – – – – |
| 6-5/8 6-5/8 6-5/8 6-5/8 |
20.00 24.00 28.00 32.00 |
168.28 168.28 168.28 168.28 |
29.76 35.72 41.67 47.62 |
7.32 8.94 10.59 12.06 |
PS – – – |
PSLB PSLBE – – |
PSLB PLB PLB – |
– PLBE PLBE PLBE |
– PLBE PLBE PLBE |
– PLBE PLBE PLBE |
– PLBE PLBE PLBE |
– – – PLBE |
| 7 7 7 7 7 7 7 |
17.00 20.00 23.00 26.00 29.00 32.00 35.00 |
177.80 177.80 177.80 177.80 177.80 177.80 177.80 |
25.30 29.76 34.23 38.69 43.16 47.62 52.09 |
5.87 6.91 8.05 9.19 10.36 11.51 12.65 |
PS PS – – – – – |
– PS PSLBE PSLBE – – – |
– PS PLB PLB PLB PLB – |
– – PLBE PLBE PLBE PLBE PLBE |
– – PLBE PLBE PLBE PLBE PLBE |
– – PLBE PLBE PLBE PLBE PLBE |
– – – PLBE PLBE PLBE PLBE |
– – – – – – PLBE |
| 7 7 7 7 7 7 |
38.00 42.70 46.40 50.10 53.60 57.10 |
177.80 177.80 177.80 177.80 177.80 177.80 |
56.55 63.54 69.05 74.56 79.77 84.97 |
13.72 15.88 17.45 19.05 20.62 22.22 |
– – – – – – |
– – – – – – |
– – – – – – |
PLBE – – – – – |
PLBE – – – – – |
PLBE P P P P P |
PLBE – – – – – |
PLBE – – – – – |
| 7-5/8 7-5/8 7-5/8 7-5/8 7-5/8 7-5/8 7-5/8 7-5/8 7-5/8 7-5/8 |
24.00 26.40 29.70 33.70 39.00 42.80 45.30 47.10 51.20 55.30 |
193.68 193.68 193.68 193.68 193.68 193.68 193.68 193.68 193.68 193.68 |
35.72 39.29 44.20 50.15 58.04 63.69 67.41 70.09 76.19 82.30 |
7.62 8.33 9.52 10.92 12.70 14.27 15.11 15.88 17.45 19.05 |
PS – – – – – – – – – |
– PSLBE – – – – – – – – |
– PSLB PLB PLB – – – – – – |
– PLBE PLBE PLBE PLBE PLB PLB PLB – – |
– PLBE PLBE PLBE PLBE PLB PLB PLB – – |
– PLBE PLBE PLBE PLBE PLB PLB PLB P P |
– – PLBE PLBE PLBE PLB PLB PLB – – |
– – – – PLBE PLB PLB PLB – – |
| 7-3/4 | 46.10 | 196.85 | 68.60 | 15.11 | – | – | – | P | P | P | P | P |
| 8-5/8 8-5/8 8-5/8 8-5/8 8-5/8 8-5/8 8-5/8 |
24.00 28.00 32.00 36.00 40.00 44.00 49.00 |
219.08 219.08 219.08 219.08 219.08 219.08 219.08 |
35.72 41.67 47.62 53.57 59.53 65.48 72.92 |
6.71 7.72 8.94 10.16 11.43 12.70 14.15 |
– PS PS – – – – |
PS – PSLBE PSLBE – – – |
PS PS PSLB PSLB PLB – – |
– – – PLBE PLBE PLBE PLBE |
– – – PLBE PLBE PLBE PLBE |
– – – PLBE PLBE PLBE PLBE |
– – – – PLBE PLBE PLBE |
– – – – – PLBE |
| 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 9-5/8 |
32.30 36.00 40.00 43.50 47.00 53.50 58.40 59.40 64.90 70.30 75.60 |
244.48 244.48 244.48 244.48 244.48 244.48 244.48 244.48 244.48 244.48 244.48 |
48.07 53.57 59.53 64.73 69.94 79.62 86.91 88.40 96.58 104.62 112.50 |
7.92 8.94 10.03 11.05 11.99 13.84 15.11 15.47 17.07 18.64 20.24 |
PS PS – – – – – – – – – |
– PSLB PSLBE – – – – – – – – |
– PSLB PSLB PLB PLB – – – – – |
– – PLBE PLBE PLBE PLBE PLB – – – – |
– – PLBE PLBE PLBE PLBE PLB – – – – |
– – PLBE PLBE PLBE PLBE PLB P P P P |
– – – PLBE PLBE PLBE PLB – – – – |
– – – – PLBE PLBE PLB – – – – |
| 10-3/4 10-3/4 10-3/4 10-3/4 10-3/4 10-3/4 10-3/4 |
32.75 40.50 45.50 51.00 55.50 60.70 65.70 |
273.05 273.05 273.05 273.05 273.05 273.05 273.05 |
48.74 60.27 67.71 75.90 82.59 90.33 97.77 |
7.09 8.89 10.16 11.43 12.57 13.84 15.11 |
PS PS – – – – – |
– PSB PSBE PSBE – – – |
– PSB PSB PSB PSB – – |
– – – PSBE PSBE – – |
– – – PSBE PSBE – – |
– – – PSBE PSBE PSBE PSB |
– – – PSBE PSBE PSBE PSB |
– – – – – PSBE PSB |
| 10-3/4 10-3/4 10-3/4 |
73.20 79.20 85.30 |
273.05 273.05 273.05 |
108.93 117.86 126.94 |
17.07 18.64 20.24 |
– – – |
– – – |
– – – |
– – – |
– – – |
P P P |
– – – |
– – – |
| 11-3/4 11-3/4 11-3/4 11-3/4 11-3/4 11-3/4 |
42.00 47.00 54.00 60.00 65.00 71.00 |
298.45 298.45 298.45 298.45 298.45 298.45 |
62.50 69.94 80.36 89.29 96.73 105.66 |
8.46 9.53 11.05 12.42 13.56 14.78 |
PS – – – – – |
– PSB PSB PSB – – |
– PSB PSB PSB – – |
– – – PSB P P |
– – – PSB P P |
– – – PSB P P |
– – – PSB P P |
– – – PSB P P |
| 13-3/8 13-3/8 13-3/8 13-3/8 13-3/8 |
48.00 54.50 61.00 68.00 72.00 |
339.72 339.72 339.72 339.72 339.72 |
71.43 81.10 90.78 101.19 107.15 |
8.38 9.65 10.92 12.19 13.06 |
PS – – – – |
– PSB PSB PSB – |
– PSB PSB PSB – |
– – – PSB PSB |
– – – PSB PSB |
– – – PSB PSB |
– – – PSB PSB |
– – – – PSB |
| 16 16 16 16 |
65.00 75.00 84.00 109.00 |
406.40 406.40 406.40 406.40 |
96.73 111.61 125.01 162.21 |
9.53 11.13 12.57 16.66 |
PS – – – |
– PSB PSB P |
– PSB PSB – |
– – – P |
– – – P |
– – – – |
– – – P |
– – – P |
| 18-5/8 | 87.50 | 473.08 | 130.21 | 11.05 | PS | PSB | PSB | – | – | – | – | – |
| 20 20 20 |
94.00 106.50 133.00 |
508.00 508.00 508.00 |
139.89 158.49 197.93 |
11.13 12.70 16.13 |
PSL – – |
PSLB PSLB PSLB |
PSLB PSLB – |
– – – |
– – – |
– – – |
– – – |
– – – |
| Remarks: P——Plain end;S—Short round thread;L—Long round thread;B—Buttress thread;E—Extreme-line. | ||||||||||||
Note: other premium connection shall be provided as per customer requirements.
Chemical compositions of casing pipe
Â
|
Chemical compositions of casing pipe |
|||||||||||
|
Standard |
Grade |
Chemical compositions(%) |
|||||||||
|
API SPEC 5CT |
J55 |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
|
K55 |
0.34~0.39 |
0.20~0.35 |
1.25~1.50 |
≤0.020 |
≤0.015 |
≤0.15 |
≤0.20 |
≤0.20 |
/ |
/ |
|
|
N80 |
0.34~0.38 |
0.20~0.35 |
1.45~1.70 |
≤0.020 |
≤0.015 |
≤0.15 |
/ |
/ |
/ |
0.11~0.16 |
|
|
L80 |
0.15~0.22 |
≤1.00 |
0.25~1.00 |
≤0.020 |
≤0.010 |
12.0~14.0 |
≤0.20 |
≤0.20 |
/ |
/ |
|
|
P110 |
0.26~0.395 |
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 |
|
Mechanical properties of casing pipe
|
Mechanical properties of casing pipe |
|||||||
|
Grade |
Type |
Total elongation |
Yield strength |
Yield strength |
Tensile strength |
Hardness |
Hardness |
|
under load |
 (min)Mpa |
(max)Mpa |
min Mpa |
Max (HRC) |
Max (HBW) |
||
|
 (%) |
 |
 |
 |
 |
 |
||
|
J55 |
- |
0.5 |
379 |
552 |
517 |
- |
- |
|
K55 |
- |
0.5 |
379 |
552 |
655 |
- |
- |
|
N80 |
1 |
0.5 |
552 |
758 |
689 |
- |
- |
|
N80 |
Q |
0.5 |
552 |
758 |
689 |
- |
- |
|
L80 |
1 |
0.5 |
552 |
655 |
655 |
23 |
241 |
|
L80 |
9Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
|
L80 |
13Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
|
C90 |
- |
0.5 |
621 |
724 |
689 |
25.4 |
255 |
|
C95 |
- |
0.5 |
655 |
758 |
724 |
- |
- |
|
T95 |
- |
0.5 |
655 |
758 |
724 |
25.4 |
255 |
|
P110 |
- |
0.6 |
758 |
965 |
862 |
- |
- |
|
Q125 |
All |
0.65 |
862 |
1034 |
931 |
- |
- |
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