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US 8,272,445 B2Granted
Tubular valve system and method
AssigneeBaker Hughes Incorporated
InventorPeter J. Fay
Life of this patent
Estimating the term…
Abstract
A tubular valve system including a tubular having a plurality of ports therethrough; a plurality of strokable sleeves disposed at the tubular being configured to stroke in response to a same external input; and a plurality of motion translating details disposed at at least one of the tubular and the plurality of strokable sleeves configured to alter a stroke of the plurality of strokable sleeves after a selected number of strokes to thereby open at least one of the plurality of ports and method.
Claims24
A tubular valve system comprising:
- a tubular having a plurality of ports therethrough;
- a plurality of strokable sleeves disposed along the tubular directly occluding a plurality of the plurality of ports and being configured to stroke in response to a same external input;
- and
- a counter configured to count the strokes of at least one of the plurality of strokable sleeves and further configured to alter a longitudinal stroke of the at least one of the plurality of strokable sleeves after a selected number of longitudinal strokes to thereby open at least one of the plurality of ports.
1 more element
A method of selectively opening a plurality of ports in a tubular, comprising:
- positioning a plurality of sleeves along a tubular;
- occluding a plurality of ports in the tubular with the plurality of sleeves;
- stroking the plurality of sleeves with a same external input more than once;
- counting the number of strokes;
- opening at least one of the plurality of ports after counting a selected first number of strokes;
- and
- opening at least one other of the plurality of ports after counting a selected second number of strokes.
4 more elements
Dependencies are inferred from the claim text.