| CPC E21B 33/0415 (2013.01) | 6 Claims |
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1. A tubing hanger comprising:
an outer hanger body for supporting the tubing hanger in a tubing head, the outer hanger body including:
an upper end and a lower end;
an outer surface having a downwardly tapering shape at the lower end, the downwardly tapering shape configured for resting on a shoulder in the tubing head;
an inner bore extending from the upper end to the lower end;
a lockdown shoulder adjacent the upper end;
an annular extension between the lockdown shoulder and the upper end of the outer hanger body; and
an annular seal extending around an outer diameter of the annular extension, the annular seal being an o-ring in an annular gland and being configured to seal against debris and fluids passing therepast down along the outer surface from the upper end toward the lockdown shoulder when the tubing hanger is supported in a tubing head.
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