Method for fracturing and propping a formation

Details Method for fracturing and propping a formation Method for fracturing and propping a formation

1994-06-06

1995-05-23

Neuder, William P.

Wells

Processes

Specific propping feature

166308, E21B 43267

Patent

active

054172845

ABSTRACT:
A method for fracturing and propping a thick and/or non-homogeneous fracture interval of a subterranean formation which is traversed by a wellbore. A workstring is lowered into the wellbore and a fracturing fluid is flowed into either or both ends of the fracture interval annulus (i.e. that portion of the well annulus which lies adjacent the fracture interval) to initiate a fracture. The flow of fracturing fluid is continued into one end of the annulus while a slurry containing proppants is flowed into the other end of the fracture interval annulus. During flow of fracturing fluid and slurry into the annulus, slurry and/or fracturing fluid is also delivered through alternate flowpaths to different levels within said fracture interval. This is continued until all of the levels or zones of the fracture interval have been fractured and propped.

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