Protective Sleeve For Expandable Tubulars
First Claim
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1. An assembly, comprising:
- a first tubular member comprising a pin member including external threads;
a second tubular member comprising a box member including internal threads coupled to the external threads of the pin member of the first tubular sleeve; and
an external sleeve coupled to and overlapping with the ends of the first and second tubular members;
wherein the external threads of the pin member of the first tubular member comprise a plurality of spaced apart groups of external threads;
wherein the internal threads of the box member of the second tubular member comprise a plurality of spaced apart groups of internal threads; and
wherein the external surface end of the pin member of the first tubular member comprises a stress concentrator.
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Abstract
A protective sleeve for expandable tubulars.
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Citations
7 Claims
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1. An assembly, comprising:
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a first tubular member comprising a pin member including external threads;
a second tubular member comprising a box member including internal threads coupled to the external threads of the pin member of the first tubular sleeve; and
an external sleeve coupled to and overlapping with the ends of the first and second tubular members;
wherein the external threads of the pin member of the first tubular member comprise a plurality of spaced apart groups of external threads;
wherein the internal threads of the box member of the second tubular member comprise a plurality of spaced apart groups of internal threads; and
wherein the external surface end of the pin member of the first tubular member comprises a stress concentrator. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification