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 | |||
| 20" | 94.00 | 20.000 | 508.00 | 0.438 | 11.13 | 139.89 | PSL | PSLB | PSLB | -- | -- | -- | -- |
| 106.50 | 20.000 | 508.00 | 0.500 | 12.70 | 158.49 | -- | PSLB | PSLB | -- | -- | -- | -- | |
| 133.00 | 20.000 | 508.00 | 0.635 | 16.13 | 197.93 | -- | PSLB | -- | -- | -- | -- | -- | |
| P - Plain; S - Short round thread; L - Long round thread; B - Buttress thread | |||||||||||||
