System and method for detecting upward growth of a hydraulic sub

Details System and method for detecting upward growth of a hydraulic sub System and method for detecting upward growth of a hydraulic sub

1997-08-14

1999-05-04

Oen, William

Measuring and testing

Borehole or drilling

Fluid flow measuring or fluid analysis

E21B 4900

Patent

active

059005440

ABSTRACT:
A method for detecting in real time the growth of a hydraulic fracture in an impermeable subterranean zone separating a monitored subterranean zone and an injection subterranean zone, which zones are penetrated by a wellbore, whereby a pressure sensor is positioned in pressure sensing communication with the first subterranean zone, and the pressure sensor is monitored for a pressure increase in the first subterranean zone, the pressure increase being indicative of a hydraulic fracture extension from the second subterranean zone through the impermeable zone to the first subterranean zone.

REFERENCES:
patent: 3604256 (1971-09-01), Pratts
SPE/DOE/GRI 12852; "Fracture Diagnostics Results for the Multiwell Experiment's Paludal Zone Stimulation" by C.M. Hart, D. Engl, R.P. Fleming, and H.E. Morris, Sandia National Laboratories.

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