The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 04, 2013

Filed:

Aug. 22, 2008
Applicants:

Demin Wang, Heilongjiang, CN;

Yan Wang, Heilongjiang, CN;

Jun Wan, Heilongjiang, CN;

Shumin Zhang, Heilongjiang, CN;

Rongjie Zhu, Heilongjiang, CN;

LI LI, Heilongjiang, CN;

Inventors:

Demin Wang, Heilongjiang, CN;

Yan Wang, Heilongjiang, CN;

Jun Wan, Heilongjiang, CN;

Shumin Zhang, Heilongjiang, CN;

Rongjie Zhu, Heilongjiang, CN;

Li Li, Heilongjiang, CN;

Assignee:

Daqing Oilfield Co., Ltd, Heilongjiang, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

A corrugated settling cup () is provided, wherein the cup has a cup body, an opening and a location step () are provided at the bottom () of the cup body, several location holes () are formed at the top of the location step (), location projections () corresponding to the location holes () are formed at the bottom () of the corrugated settling cup (), 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 (), several corrugated settling cups (), several settling cups protection bodies (6) and a well-flushing valve (), wherein the external profile of the corrugated settling cup body rises along the axial direction in a corrugated shape.


Find Patent Forward Citations

Wang, Demin. (2013). Corrugated settling cup and a multi-cup uniform flux gas anchor (U.S. Patent No. 8453726). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8453726

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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