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

E - Fixed Constructions

21

B

166/21

E21B 43/26 (2006.01) E21B 43/24 (2006.01) E21B 43/30 (2006.01)

Patent

CA 1269319

Abstract Of The Disclosure A process for establishing well-to-well flow com- munication between a plurality of wells penetrating a sub- surface 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, frac- turing 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 une- ven areal distribution of injection fluids which are injected into fractures. CO-7029

529366

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