Method of increasing productivity and recovery of wells in...

Details Method of increasing productivity and recovery of wells in... Method of increasing productivity and recovery of wells in...

2006-07-04

2006-07-04

Neuder, William (Department: 3672)

Wells

Processes

With indicating, testing, measuring or locating

C166S308100

Reexamination Certificate

active

07069989

ABSTRACT:
A method of increasing productivity and recovery of wells in oil and gas fields includes determining a direction of maximal horizontal stresses, producing at least two wells so that they are spaced from one another in a direction corresponding to the direction of the maximum horizontal stresses, forming in at least one of the wells at least one vertical slot oriented substantially from the at least one well to the other of the wells, and introducing a hydrofracturing fluid at least into the at least one well to produce a hydraulic fracture in direction from the at least one well to the other well.

REFERENCES:
patent: 4977961 (1990-12-01), Avasthi
patent: 5025859 (1991-06-01), Hanson et al.
patent: 5111881 (1992-05-01), Soliman et al.
patent: 5565624 (1996-10-01), Deboaisne et al.

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