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U.S. Department of Energy
Office of Scientific and Technical Information

Positive locking sealing connector for well pipe

Patent ·
OSTI ID:6819140
An overshot connector is described which has positively expanded and positively locked packing assembly means for sealing between 2 sections of pipe in a well bore. Means is provided for guiding the upper end of the lower section of pipe being connected through the sealing assembly of the connector or overshot. A positive latch holds the sealing assembly in expanded sealing position. The latch also positively locks the 2 sections of pipe together against disconnection. The locking and sealing are effected in both directions of flow and without rotation of the pipe in the well by a simple longitudinal relative movement of the pipe strings with respect to each other.
Assignee:
Otis Engineering Corp
Patent Number(s):
US 3865408
OSTI ID:
6819140
Country of Publication:
United States
Language:
English

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