E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/2
E21B 49/00 (2006.01) E21B 43/26 (2006.01) G01V 1/44 (2006.01)
Patent
CA 2013726
Case 7141(2) ABSTRACT OF THE DISCLOSURE HYDRAULIC IMPEDANCE TEST METHOD A method for determining the height and length of a fracture (3) in a borehole (1) involves generating pressure waves in the fluid in the wellbore using a valve (4) and measuring the response at the well- head by means of a transducer (5). A theoretical model of the wellbore-fracture system is generated and compared with the measured response to determine the height and length of the fracture.
Mellor David W.
Millar John W.a.
British Petroleum Company P.l.c.
Fetherstonhaugh & Co.
Mellor David W.
Millar John W.a.
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