US 6,981,551 B2
Cross-over tool return port cover
Dewayne M. Turner, Tomball, Tex. (US); Marvin Bryce Traweek, Houston, Tex. (US); Christopher L. Blackler, Spring, Tex. (US); Stephen C. Yeary, Houston, Tex. (US); and Gregg W. Stout, Montgomery, Tex. (US)
Assigned to BJ Services Company, Houston, Tex. (US)
Filed on Jul. 07, 2003, as Appl. No. 10/614,500.
Prior Publication US 2005/0006092 A1, Jan. 13, 2005
Int. Cl. E21B 43/04 (2006.01)
U.S. Cl. 166—278 29 Claims
OG exemplary drawing
 
1. A method of controlling flow through a return port positioned downhole in a well, comprising:
a. providing an engagement surface on a downhole member disposed downhole in the well, which member separates an annulus into an upper annulus and a lower annulus;
b. engaging a downhole well treatment tool having a return port and a return port cover coupled thereto with the engagement surface of the downhole member to move the return port cover from a first position to a second position;
c. disengaging the well treatment tool from the engagement surface of the downhole member; and
d. allowing the return port cover to move from the second position.