Wellhead assembly

Details Wellhead assembly Wellhead assembly

E - Fixed Constructions

21

B

166/47

E21B 33/03 (2006.01) E21B 17/10 (2006.01) E21B 33/04 (2006.01)

Patent

CA 1196859

Abstract A wellhead assembly with an increased through bore for passing slightly oversized drill bits therethrough with a substantially reduced landing shoulder, and an improved landing assembly which transfers a portion of the stresses through the energizing ring and support ring into the wellhead body along the straight bore above said landing shoulder.

421571

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