Well fracturing method

Details Well fracturing method Well fracturing method

1976-09-13

1977-06-14

Novosad, Stephen J.

Wells

Processes

With indicating, testing, measuring or locating

166280, E21B 4326, E21B 4710

Patent

active

040291480

ABSTRACT:
In a process wherein a well is fractured using a plurality of solid particles as propping agent, the propping agent particles are color-coded so that if propping particles are subsequently produced out of one or more of the propped fractures, these produced propping particles, when recovered at the earth's surface, can, because of their color-coding, give an indication as to the nature of the problem in the fractured area.

REFERENCES:
patent: 1090673 (1914-03-01), Beecher
patent: 2660887 (1953-12-01), Frei
patent: 2909923 (1959-10-01), Miller
patent: 3163211 (1964-12-01), Henley
patent: 3173293 (1965-03-01), Eckels
patent: 3272746 (1968-03-01), Sanderson et al.
patent: 3427652 (1969-02-01), Seay
patent: 3709300 (1973-01-01), Pye
patent: 3796883 (1974-03-01), Smith et al.
patent: 3991827 (1976-11-01), Schall

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