Invention Grant
US09188235B2 Plug counter, fracing system and method 有权
插头计数器,边缘系统和方法

Plug counter, fracing system and method
Abstract:
A valve includes a tubular having at least one port, and a sleeve in operable communication with the tubular configured to uncover the at least one port in response to moving from a first position to a second position. The valve also has a seat that is configured to be passed a selected number of times without shifting the sleeve from the first position to the second position and is further configured to be passed one additional time after the selected number of times after shifting the sleeve from the first position to the second position.
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