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REDUCED FRICTION J-LATCH DEVICE
专利权人:
Halliburton Energy Services, Inc.
发明人:
Bullock Raymond R.
申请号:
US201515327907
公开号:
US2017211346(A1)
申请日:
2015.07.23
申请国别(地区):
美国
年份:
2017
代理人:
摘要:
In accordance with presently disclosed embodiments, systems and methods for selectively engaging, raising or lowering, and disengaging downhole equipment via a reduced friction J-latch mechanism is provided. The disclosed J-latch mechanism generally includes a J-latch receptacle including a cylinder having a slot formed therein, the slot having an open end exposed at one end of the cylinder and a truncated slot area at an opposite end of the slot from the open end. The J-latch mechanism also includes a J-latch lug member including a mounting portion with a lug disposed thereon for removably interfacing with the slot of the J-latch receptacle. The lug includes a bearing assembly to reduce friction between the slot and the lug while selectively engaging and disengaging the lug member from the receptacle. The disclosed J-latch mechanism may improve the efficiency of deployment, retrieval, and actuation of a wide range of oilfield equipment under heave conditions.
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