08757259 is referenced by 4 patents and cites 78 patents.

A method of heterogeneous proppant placement in a subterranean fracture is disclosed. The method comprises injecting well treatment fluid including proppant (16) wherein the proppant comprises from 1 to 100 percent in weight of stiff, low-elasticity and low-deformability elongated particles (34) and proppant-spacing filler material called a channelant (18) through a wellbore (10) into the fracture (20), heterogeneously placing the proppant in the fracture in a plurality of proppant clusters or islands (22) spaced apart by the channelant (24), and removing the channelant filler material (24) to form open channels (26) around the pillars (28) for fluid flow from the formation (14) through the fracture (20) toward the wellbore (10). The proppant and channelant can be segregated within the well treatment fluid, or segregated during placement in the fracture. The channelant can be dissolvable particles, initially acting as a filler material during placement of the proppant in the fracture, and later dissolving to leave the flow channels between the proppant pillars. The well treatment fluid can include fibers to provide reinforcement and consolidation of the proppant and, additionally or alternatively, to inhibit settling of the proppant in the treatment fluid.

Title
Heterogeneous proppant placement in a fracture with removable channelant fill
Application Number
12/945426
Publication Number
8757259 (B2)
Application Date
November 12, 2010
Publication Date
June 24, 2014
Inventor
Alexander Burukhin
Novosibirsk
RU
Jonathan Abbott
Didcot
GB
Anatoly Medvedev
Moscow
RU
Ivan V Kosarev
Moscow
RU
Dean M Willberg
Salt Lake City
UT, US
J Ernest Brown
Fort Collins
CO, US
Timothy Lesko
Carrolton
TX, US
Agent
Tim Curington
Rachel E Greene
Assignee
Schlumberger Technology Corporation
TX, US
IPC
E21B 43/267
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