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:
Jan. 11, 2000
Filed:
Jan. 19, 1999
Martin Donnelly, Amsterdam, NL;
Jacobus Hendrikus Emmen, Rijswijk, NL;
Cornelis Jan Kenter, Rijswijk, NL;
Wilhelmus Christianus Lohbeck, Rijswijk, NL;
Paulus Hermanus Reijnen, Rijswijk, NL;
Brent Reynolds Ross, Rijswijk, NL;
Allan James Samuel, Rijswijk, NL;
Shell Oil Company, Houston, US;
Abstract
A deformable well screen for preventing migration of solid particles into a hydrocarbon production well is disclosed, the screen including at least one substantially tubular filter layer of which the sieve opening size remains fairly constant during or after expansion and/or other deformation of the screen. Optionally the screen also includes a series of circumferentially scaled filter segments that are arranged around an expandable slotted tube, an expandable slotted tube of which the slots are filled with resin coated granules, an expandable slotted tube with micro-slots, an assembly of woven metal wire screens that are sintered together and/or a synthetic geotextile fabric.