Skip to Content
Find More Like This
Return to Search

Drilling fluid filter

United States Patent

January 23, 2007
View the Complete Patent at the US Patent & Trademark Office
A drilling fluid filter for placement within a bore wall of a tubular drill string component comprises a perforated receptacle with an open end and a closed end. A hanger for engagement with the bore wall is mounted at the open end of the perforated receptacle. A mandrel is adjacent and attached to the open end of the perforated receptacle. A linkage connects the mandrel to the hanger. The linkage may be selected from the group consisting of struts, articulated struts and cams. The mandrel operates on the hanger through the linkage to engage and disengage the drilling fluid filter from the tubular drill string component. The mandrel may have a stationary portion comprising a first attachment to the open end of the perforated receptacle and a telescoping adjustable portion comprising a second attachment to the linkage. The mandrel may also comprise a top-hole interface for top-hole equipment.
Hall; David R. (Provo, UT), Fox; Joe (Spanish Fork, UT), Garner; Kory (Orem, UT)
IntelliServ, Inc. (Provo, UT)
10/ 711,595
September 28, 2004
FEDERAL SPONSORSHIP This invention was made with government support under Contract No. DE-FC26-01 NT41229 awarded by the U.S. Department of Energy. The government has certain rights in the invention.