COMPOSITE PERFORATION DEVICE WITH SCALLOPS ON THE INNER WALL
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United States of America Patent
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Issued Date -
Feb 27, 2014
app pub date -
Dec 14, 2012
filing date -
Dec 15, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a composite perforating device with scallops on its inner wall to improve the depth of penetration in the oil reservoir during perforation of oil and gas well. In one embodiment, the scallops on the inner wall of the gun body are located at a position corresponding to the open end of a perforating charge. In one embodiment, the scallop may have a stepped-cylindrical or truncated-conical inner peripheral surface and a conical or flat bottom surface. Alternatively, the scallop may have an inner conical surface. The scallops on the inner wall of the gun body increased the burst heights of the perforating charges such that the penetration depth of the perforating device is increased.
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