Customization: | Available |
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Drilling Program: | Single Stage |
Applicable Medium: | Mud, Natural Gas, Crude Oil |
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API 6A Tubing Head Tubing Head Spool Assembly for Wellhead
1.Tubing head configuration:
Tubing head is usually a spool with top and bottom flange ends.It serves to suspend the tubing and to seal the annular space between tubing and casing,which combined with tubing hanger.
2.Functions:
1)Hang the tubing string inside well;
2)Seal the annular space between tubing and casing;
3)As a crossover to connect casing head downwards and X-mas tree upwards;
4)The tubing head spool is provided with both side outlets for injection and well clean-up operations.
3.Tubing hanger:
Tubing hanger is an assembly to suspend tubing string by means of a male or female thread and seal the annular space between tubing and casing,which is connected with tubing and seated into tubing hanger spool by tubing gravity.It is convenient to operate and replace wellhead so that it is widely used for intermediate depth well and common well.
Pressure rations psi (MPa) |
2000~20000 psi (13.8~105 MPa) |
Product specification level |
PSL 1 ~ PSL 4 |
Temperature rations | K~U |
Performance requirement |
PR1,PR2 |
Material class | AA~HH | Suitable medium | Petroleum, natural gas, mud etc. |