Multiple fractures from a single workstring

Details Multiple fractures from a single workstring Multiple fractures from a single workstring

1991-08-16

1992-11-10

Novosad, Stephen J.

Wells

Processes

Placing fluid into the formation

166280, 166242, E21B 4326

Patent

active

051616181

ABSTRACT:
A method for producing multiple fractures by a single operation from a single wellbore which penetrates a fracture interval which, in turn, includes a plurality of zones which break-down under different fracturing pressures. Fracturing fluid is delivered from a workstring directly to different levels within a section of the wellbore which lies adjacent the fracture interval through a plurality of alternate paths which, in turn, lie substantially adjacent to the zones to be fractured.

REFERENCES:
patent: 2970645 (1961-02-01), Glass
patent: 3289762 (1966-12-01), Schell et al.
patent: 3712379 (1973-01-01), Hill
patent: 4424859 (1984-01-01), Sims et al.
patent: 4867241 (1989-09-01), Strubhar
patent: 4945991 (1990-08-01), Jones
Hassebroek et al., "Hydraulic Fracturing", Modern Well Completion Series, Part 13, Petroleum Engineer, Jul. 1961, 6 pages.

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