Corrugated settling cup and a multi-cup uniform flux gas anchor

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United States of America Patent

PATENT NO 8453726
APP PUB NO 20110209866A1
SERIAL NO

12673064

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Importance

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Abstract

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A corrugated settling cup (5) is provided, wherein the cup has a cup body, an opening and a location step (52) are provided at the bottom (55) of the cup body, several location holes (53) are formed at the top of the location step (52), location projections (54) corresponding to the location holes (53) are formed at the bottom (55) of the corrugated settling cup (5), wherein the external profile of the corrugated settling cup body rises along the axial direction in a corrugated shape. A multi-cup uniform flux gas anchor is provided, wherein the gas anchor includes a central pipe (7), several corrugated settling cups (5), several settling cups protection bodies (6) and a well-flushing valve (9), wherein the external profile of the corrugated settling cup body rises along the axial direction in a corrugated shape.

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Patent Owner(s)

Patent OwnerAddress
DAQING OILFIELD CO LTD163002 NO 99 ZHONGYUAN ROAD RANGHULU DISTRICT DAQING CITY HEILONGJIANG PROVINCE DAQING CITY HEILONGJIANG PROVINCE 163002

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li,, Li Heilongjiang, CN 46 118
Wan,, Jun Heilongjiang, CN 1 1
Wang,, Demin Heilongjiang, CN 1 1
Wang,, Yan Heilongjiang, CN 3 2
Zhang,, Shumin Heilongjiang, CN 1 1
Zhu,, Rongjie Heilongjiang, CN 1 1

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