E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/22 (2006.01) E21B 43/26 (2006.01) E21B 43/267 (2006.01)
Patent
CA 2405631
A method of fracturing a downhole formation according to which a plurality of jet nozzles are located in a spaced relation to the wall of the formation to form an annulus between the nozzles and the formation. A non-acid containing stimulation fluid is pumped at a predetermined pressure through the nozzles, into the annulus, and against the wall of the formation, and a gas is introduced into the annulus so that the stimulation fluid mixes with the gas to generate foam before the mixture is jetted towards the formation to form fractures in the formation.
Méthode de fractionnement d'une formation de fond à l'aide d'une série de tuyères espacées par rapport à la paroi de la formation de manière à ce qu'un anneau soit décrit entre les tuyères et la formation. Un fluide de stimulation non acide est pompé à une pression préétablie par les tuyères, dans l'anneau, contre la paroi de la formation, et un gaz est introduit dans l'anneau de manière à ce que le fluide de stimulation se mélange avec le gaz pour générer une mousse avant que ce mélange ne soit propulsé vers la formation pour fracturer celle-ci.
Cheng Alick
Rispler Keith
Surjaatmadja Jim B.
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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