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:
May. 08, 2012
Filed:
Jan. 14, 2011
William John Darnell, Houston, TX (US);
Charles David Wintill, Houston, TX (US);
Rodney Wayne Long, Cypress, TX (US);
Todd Ulrich Chretien, Sr., Houston, TX (US);
Tracy Dean Blanton, Houston, TX (US);
William Ryle Darnell, St. Martinville, LA (US);
William John Darnell, Houston, TX (US);
Charles David Wintill, Houston, TX (US);
Rodney Wayne Long, Cypress, TX (US);
Todd Ulrich Chretien, Sr., Houston, TX (US);
Tracy Dean Blanton, Houston, TX (US);
William Ryle Darnell, St. Martinville, LA (US);
Petroquip Energy Services, LLP, Houston, TX (US);
Abstract
One or more embodiments of a selectively openable and closable downhole tool. The wherein, the downhole tool can include an outer tubular member having an annulus port formed therethrough. The downhole tool can also include an inner tubular member. The inner tubular member can include an inner port. The inner port and annulus port can be selectively aligned to form a flow path therethrough by moving the inner tubular member relative to the outer tubular member. The downhole tool can also include a logic drum configured to selectively move the inner tubular member. The downhole tool can also include a piston assembly configured to move the logic drum.