Invention Application
US20150233209A1 CONTROL LINE DAMPER FOR VALVES 有权
阀门控制线阻尼器

CONTROL LINE DAMPER FOR VALVES
Abstract:
A downhole tool actuation system comprises a control line in fluid communication with a control fluid source, a first piston assembly comprising a first surface in fluid communication with the control line, and a damper piston assembly comprising a second surface in fluid communication with the first surface. The first piston assembly is configured to actuate the downhole tool.
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