US 7,591,312 B2
Completion method for fracturing and gravel packing
Michael H. Johnson, Katy, Tex. (US); Douglas J. Murray, Magnolia, Tex. (US); and Bennett M. Richard, Kingwood, Tex. (US)
Assigned to Baker Hughes Incorporated, Houston, Tex. (US)
Filed on Jun. 04, 2007, as Appl. No. 11/757,885.
Prior Publication US 2008/0296019 A1, Dec. 04, 2008
Int. Cl. E21B 43/04 (2006.01); E21B 43/26 (2006.01)
U.S. Cl. 166—278  [166/51; 166/308.1] 17 Claims
OG exemplary drawing
 
1. A completion method, comprising:
running in a bottom hole assembly comprising at least two screen sections, at least one valved port adjacent at least one of said screens for selective communication between internally and externally of a string comprising said screen sections and at least one external isolator between said screens;
positioning said assembly adjacent an interval to be produced;
gravel packing an annular space to cover said screen sections;
subdividing said annular space after said gravel packing with said external isolator whose actuation sealingly isolates portions of said annular space disposed on opposed sides of said isolator; and
fracturing through said valved port after said subdividing.