Fracturing fluids containing bouyant inorganic diverting agent a

Details Fracturing fluids containing bouyant inorganic diverting agent a Fracturing fluids containing bouyant inorganic diverting agent a

1983-03-25

1985-04-09

Novosad, Stephen J.

Wells

Processes

Placing fluid into the formation

166281, 166283, E21B 4326

Patent

active

045095981

ABSTRACT:
The growth of upward vertical fractures during a hydraulic fracturing process is inhibited or prevented by (1) initiating the fracture with a first fluid which is a pad fluid, and (2) extending the fracture with a second fluid comprising a carrier fluid and a bouyant inorganic diverting agent. The second fluid is preferably pumped at a minimum rate to extend the fracture and carry the diverting agent without screening out. After the diverting agent is implaced, a viscous pad fluid and fracture fluid are subsequently pumped at treatment rates and pressures to complete the fracturing process.

REFERENCES:
patent: 3127937 (1964-04-01), McGuire, Jr. et al.
patent: 3399727 (1968-09-01), Graham et al.
patent: 3417821 (1968-12-01), Tinsley et al.
patent: 3431977 (1969-03-01), Fast et al.
patent: 3497008 (1970-02-01), Graham et al.
patent: 3500929 (1970-03-01), Eilers et al.
patent: 3954142 (1976-05-01), Broaddus et al.

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