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MULTI-STAGE WELL ISOLATION AND FRACTURING
专利权人:
RESOURCE COMPLETION SYSTEMS INC.
发明人:
Hughes John,Rasmussen Ryan D.,Schmidt James W.
申请号:
US201314646667
公开号:
US2017051574(A1)
申请日:
2013.12.20
申请国别(地区):
美国
年份:
2017
代理人:
摘要:
An activation tool is provided for use in a well isolation and stimulation string, The activation tool has a stationary seat for receiving a ball deployed down the string, a stationary inner body, a stationary outer body and a moving sleeve positioned between the stationary inner and stationary outer bodies and movable from an open position to a closed position by force of the ball against the seat. A first stage frac valve tool is also provided having a stationary outer body and an internal piston movable between an closed and an open position. A singular tool is further provided having a float shoe, an activation tool and integrally built with the float shoe and a first stage frac integrally built with the activation tool. A cased hole packer is further provided having an integral setting tool.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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