Well casing hanger assembly

Details Well casing hanger assembly Well casing hanger assembly

E - Fixed Constructions

21

B

166/49

E21B 43/10 (2006.01) E21B 23/02 (2006.01)

Patent

CA 1091145

WELL CASING HANGER ASSEMBLY James T. Carmichael Shreveport, Louisiana Abstract of the Disclosure A well casing hanger for suspending an inner string of well casing at a predetermined location in an outer casing string, including a pair of semi-circular segments each having a plurality of outwardly biased latching fingers ex- tending upwardly from an externally threaded semi-circular support base. An internally threaded connecting ring is threaded onto external screw threads on the casing string and onto the semi-circular support bases which are positioned around the hanger body to secure the segments on the string until the inner casing string is positioned accurately. The weight of the inner casing string shears the connecting ring to permit the latching fingers to be releasably locked in an outwardly urged latched position.

316330

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