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Downhole tool and method of fracturing a well formation
Downhole tool and method of fracturing a well formation
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机译:井下工具和压裂井层的方法
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摘要
A downhole tool for fracturing a subterranean formation comprising a plurality of discharge jets or nozzles located in a spaced relation to a wall of the formation to form an annulus between the nozzles and the formation. An acid-containing, stimulation fluid is pumped at a predetermined pressure through the nozzles, into the annulus and against the wall of the formation. A gas is pumped into the annulus so that the stimulation fluid mixes with the gas to generate foam before the mixture is jetted towards the formation to impact the wall of the formation. The tool is adapted to bend, or tilt, so that the discharge jets can come in to proximity to the formation being fractured.
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