Wells – Processes – Specific propping feature
Patent
1988-10-07
1989-09-26
Suchfield, George A.
Wells
Processes
Specific propping feature
166308, E21B 43267
Patent
active
048693227
ABSTRACT:
A subsurface formation having original in-situ stresses that favor the propagation of a horizontal fracture is penetrated by a borehole. A first fracturing fluid containing a propping material is pumped through the borehole and into the formation at a first depth to propagate a horizontal fracture which alters the in-situ stress field. The pumping of the first fracturing fluid is stopped and a second fracturing fluid is pumped through the borehole and into the formation at a second depth to form a vertical fracture within the field of altered in-situ stress.
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Hale Mitchell W.
Sellers Jay R.
Vogt, Jr. Thomas C.
Hager Jr. George W.
McKillop Alexander J.
Mobil Oil Corporation
Speciale Charles J.
Suchfield George A.
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