Methods for obtaining well-to-well flow communication

Details Methods for obtaining well-to-well flow communication Methods for obtaining well-to-well flow communication

1986-06-20

1987-05-05

Suchfield, George A.

Wells

Processes

Specific pattern of plural wells

166263, 166271, 166272, E21B 4324, E21B 4326, E21B 4330

Patent

active

046624406

ABSTRACT:
A process for establishing well-to-well flow communication between a plurality of wells penetrating a subsurface formation is provided. A common fracture network is created by initiating a fracture from a first well, and then propagating that fracture from the first well to a second well. When the fracture has reached the second well, fracturing fluid is injected into the second well and thereby further propagates the fracture to a third well, and so on, so that the fracture is successively propagated to all of the wells. Such a fracture can be located adjacent either a lower or an upper boundary of a tilted subsurface formation, as desired. Techniques are also provided for reducing uneven areal distribution of injection fluids which are injected into fractures.

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