Method to reduce movement of a cpf device via a...

E - Fixed Constructions – 21 – B

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E21B 43/27 (2006.01) C09K 8/60 (2006.01) E21B 43/263 (2006.01)

Patent

CA 2030744

ABSTRACT A method for minimizing damage to downhole equipment utilized during controlled pulse fracturing ("CPF") where a shear thickening fluid is used as a tamp. A shear thickening aqueous fluid having particles therein overlies a CPF device thereby creating a tamp. Movement of the fluid by pressure forces resultant from the ignited propellant causes the fluid to thicken. This thickened fluid prevents the device and wireline from moving upwardly which minimizes damage thereto. 5654.APP/DW4/1001

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