Patent ID: 8662189

Claim:
A tubing hanger assembly for suspending a tubing string into a wellbore, the assembly comprising: a hanger body having a central axis, an upper end, a lower end, and a through bore extending axially between the upper and lower ends, wherein the hanger body has a radially outer surface including external threads axially disposed between the upper end and the lower end, the external threads having a first thread handedness; a load ring coaxially disposed about the hanger body, wherein the load ring has an upper end and a lower end, wherein the load ring has a radially inner surface including a first set of internal threads that matingly engage with the external threads of the hanger body and a second set of internal threads axially spaced above the first set of internal threads, the second set of internal threads having a second thread handedness that is opposite the first thread handedness; wherein the load ring has a radially outer surface including a frustoconical cam surface extending from the lower end of the load ring; an expandable ring disposed about the hanger body and axially positioned adjacent the lower end of the load ring, wherein the expandable ring has a radially inner surface including a frustoconical surface that slidingly engages the cam surface; and a load sleeve coaxially disposed about the hanger body and having an upper end that engages the expandable ring and a lower end distal the expandable ring, wherein the load sleeve has a radially outer surface including an annular load shoulder.