API 6A Casing head of wellhead equipment of drilling tool for oil drilling and production used in the wellhead drilling dig
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- Supplier: Shanghai Xiqi Import& Export Co. Ltd.
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Product Description
The casing head ,a component connecting the casing to the wellhead assembly of various types and sizes ,is used to support the both the intermediate (protective) string and the production string ,and to seal up the annular space between the casings, thus providing a crossover connection for the installation of the bop ,the tubing head, the Christmas tree and other top wellhead components. It is also used to inject additional cement slurry or balance fluid, monitor the well sink, and execute other operations through both of the two bypass holes in the casing head body.
| Work Pressure psi (MPa) | Top Flange in(mm) | Bottom Flange in(mm) |
| 2000(14) | 9(228) | 7(177.8) |
| 2000(14) | 11(279) | 9 5/8 (244.4) |
| 2000(14) | 13 5/8 (346) | 13 3/8(339.7) |
| 2000(14) | 21 1/4(540) | 20(508) |
| 3000(21) | 9(228) | 7 (177.8) |
| 3000(21) | 11(279) | 9 5/8(244.4) |
| 3000(21) | 13 5/8(346) | 13 3/8(339.7) |
| 3000(21) | 20 3/4(527) | 13 3/8(339.7) |
| 5000(35) | 11 (279) | 9 5/8(244.4) |
| 5000(35) | 13 5/8 | 13 3/8(339.7) |
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