API 6A Standard Wellhead Casing and Tubing Head, Casing Tubing Spool in X-mas Tree/Oilfield Christmas Tree
API 6A Standard Wellhead Casing and Tubing Head, Casing Tubing Spool in X-mas Tree/Oilfield Christmas Tree
Casing Head:
1. Casing hanger for casing head and casing spool has straight type seat bore and 45°cone of hanging shoulder with fine loading ability.
2. If required,it can be designed in integral or split structure.
3. The connecting type of casing head and surface casing is weld,thread and slip type.
4. Matched casing hanger structural type: slip, thread(mandrel).
5. The connecting type of side outletincludes thread,bolted flange and flange.
In the bottom of casing head and casing spool sets casing secondary seal mechanism and sealing test port.
Top Flange Nominal Bore Size |
11", 13-5/8", 7" |
Top Flange Working Pressure |
2000PSI 3000PSI 5000PSI 10000PSI 15000PSI |
Bottom Flange Nominal Bore Size |
11", 13-5/8", 20-3/4", 21-1/4" |
Bottom Flange Working Pressure |
2000PSI 3000PSI 5000PSI 10000PSI |
Side Outlet Nominal Bore Size |
2-1/16", 2-9/16" |
Top Flange Nominal Bore Size |
7”, 9”, 11”, 13-5/8”, 16-3/4”, 18-3/4”, 20-3/4”, 21-1/4” |
Top Flange Working Pressure |
2000PSI, 3000PSI, 5000PSI, 10000PSI, 15000PSI |
Surface Casing Size |
20”, 18-5/8”, 16”, 13-3/8”, 11”, 10-3/4”, 9-5/8”, 7” |
Size Outlet Bore Size |
2-1/16”, 2-9/16”, 3 1/8” |
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