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.
Patent No.:
Date of Patent:
Jun. 20, 2006
Filed:
Feb. 19, 2002
Applicants:
Roelof Daling, Rijswijk, NL;
Vincent Sebastiaan Droppert, Rijswijk, NL;
Johan Dirk Jansen, Rijswijk, NL;
Arjen Michiel Wagenvoort, Rijswijk, NL;
Carlos Alberto Glandt, Rijswijk, NL;
Duncan Ian Green-armytage, Assen, NL;
Inventors:
Roelof Daling, Rijswijk, NL;
Vincent Sebastiaan Droppert, Rijswijk, NL;
Johan Dirk Jansen, Rijswijk, NL;
Arjen Michiel Wagenvoort, Rijswijk, NL;
Carlos Alberto Glandt, Rijswijk, NL;
Duncan Ian Green-Armytage, Assen, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 34/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The inflow of fluid from an oil and/or gas bearing formation into an oil and/or gas production well is cyclically moved up and down along the length of an inflow region of the well by cyclically changing the opening of one or more control valves.