Wells – Processes – In situ combustion
Reexamination Certificate
2011-03-29
2011-03-29
Neuder, William P (Department: 3672)
Wells
Processes
In situ combustion
C166S271000, C166S055000, C166S297000, C102S310000
Reexamination Certificate
active
07913758
ABSTRACT:
A method for completing an oil and gas well completion is provided. The perforators (10, 11) may be selected from any known or commonly used perforators and are typically deployed in a perforation gun. The perforators are aligned such that the cutting jets (12, 13) and their associated shockwaves converge towards each other such that their interaction causes increased fracturing of the rock strata. The cutting jets may be also be aligned such that the cutting jets are deliberately caused to collide causing further fracturing of the rock strata. In Ian alternative embodiment of the invention there is provided a shaped charge liner with at least two concave regions, whose geometry is selected such that upon the forced collapse of the liner a plurality of cutting jets is formed which jets are convergent or are capable of colliding in the rock strata.
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Hoar Michael R
Wheller Stephen
Hutchins Cathleen R
Neuder William P
Nixon & Vanderhye P.C.
QinetiQ Limited
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