Connections for wellhead equipment
OwnerRex E. Duhn, Robert K. Meekinventors
Life of this patent
Estimating the term…
Abstract
A wellhead assembly is provided having a first tubular member, and a second tubular member at least partially extending over a first end of the first tubular member defining an annular space there between. An arcuate lock member such as a lock ring is located within the annular space. At least one load applying member penetrates the second tubular member and urges the arcuate lock member against the first tubular member. A lock nut is coupled to an inner surface of the second tubular member. A method for coupling the first tubular member to the second tubular member is also provided.
Claims18
A wellhead assembly comprising:
- a first tubular member;
- a second tubular member at least partially extending over a first end of the first tubular member defining an annular space there between;
- an arcuate lock member located within the annular space;
- and
- at least one load applying member penetrating the second tubular member and urging the arcuate lock member against the first tubular member.
A method for interlocking a first tubular member with a second tubular member comprising:
- mounting the second tubular member over the first tubular member;
- and
- coupling a load applying member on the second tubular member urging an arcuate lock member against the first tubular member.
Dependencies are inferred from the claim text.