WUXI EASTSUN TRADE CO., LTD
WUXI EASTSUN TRADE CO., LTD JIANGSU TAISHUN ENERGY TECHNOLOGY DEVELOPMENT CO., LTD
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Casing is a large-diameter pipe that serves as the structural retainer for the walls of
oil and gas wells, or wellbore. It is inserted into a well bore and cemented in place
to protect both subsurface formations and the wellbore from collapsing and to allow
drilling fluid to circulate and extraction to take place.
| O.D. | Nominal | O.D. | W.T. | Nominal | Type of pipe end | ||||||||
| Weight | Weight | Grade | |||||||||||
| (lb/ft) | (kg/m) | J-55 | L-80 | N-80 | C-90 | ||||||||
| In. | mm | In. | mm | H-40 | K-55 | M-65 | C-95 | Type1,Q | T-95 | P-110 | |||
| 7 5/8" | 24.00 | 7.625 | 193.68 | 0.300 | 7.62 | 35.72 | PS | -- | -- | -- | -- | -- | -- |
| 26.40 | 7.625 | 193.68 | 0.328 | 8.33 | 39.29 | -- | PSLB | PSLB | PLB | PLB | PLB | -- | |
| 29.70 | 7.625 | 193.68 | 0.375 | 9.52 | 44.20 | -- | -- | PLB | PLB | PLB | PLB | PLB | |
| 33.70 | 7.625 | 193.68 | 0.430 | 10.92 | 50.15 | -- | -- | PLB | PLB | PLB | PLB | PLB | |
| 39.00 | 7.625 | 193.68 | 0.500 | 12.70 | 58.04 | -- | -- | -- | PLB | PLB | PLB | PLB | |
| 42.80 | 7.625 | 193.68 | 0.562 | 14.27 | 63.69 | -- | -- | -- | PLB | PLB | PLB | PLB | |
| 45.30 | 7.625 | 193.68 | 0.595 | 15.11 | 67.41 | -- | -- | -- | PLB | PLB | PLB | PLB | |
| 47.10 | 7.625 | 193.68 | 0.625 | 15.88 | 70.09 | -- | -- | -- | PLB | PLB | PLB | PLB | |
| 51.20 | 7.625 | 193.68 | 0.687 | 17.45 | 76.19 | -- | -- | -- | -- | -- | -- | -- | |
| 55.30 | 7.625 | 193.68 | 0.750 | 19.05 | 82.30 | -- | -- | -- | -- | -- | -- | -- | |
| P - Plain; S - Short round thread; L - Long round thread; B - Buttress thread | |||||||||||||
