Control line tubing hanger
A wellhead assembly is provided comprising an upper wellhead assembly, a lower wellhead assembly, a sleeve, and a seal between the sleeve and the lower wellhead assembly. The upper wellhead assembly includes a tubing string section, and a control line, and the control line mounted exterior of the tubing string section. The lower wellhead assembly includes a bore therethrough, through which the tubing string section and the control line pass into the well. The sleeve is operatively connected to the upper wellhead assembly and extends into the bore, surrounding the control line and the tubing string section, the seal being formed between the exterior of the sleeve and the lower wellhead assembly bore. A prefabricated article of manufacture is utilized in the wellhead assembly for facilitating the ease of assembly, the prefabricated article of manufacture including a tubing hanger mandrel, a tubing hanger body operatively connected to the tubing hanger mandrel, a control line receiving port in the tubing hanger body, the tubing string section, and the sleeve. During assembly of the wellhead assembly, a split coupling support assembly is utilized to space the tubing hanger body from the lower wellhead assembly until the entire upper wellhead assembly is connected together (including a tubing bonnet 10) at which time, the split coupling support assembly is removed and the upper wellhead assembly lowered into operative association with the lower wellhead assembly.
- Assignee:
- Gray Tool Co.
- Patent Number(s):
- US 4090565
- OSTI ID:
- 6780845
- Country of Publication:
- United States
- Language:
- English
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