Patent ID: 9435183
Filing Date: 2016-09-06
CPC Classification: E21B

Claim Text:
1. A steam environmentally generated drainage system for producing hydrocarbons from a formation using in situ steam generation and gravity drainage, said steam environmentally generated drainage system comprising: a first well located in a hydrocarbon reservoir, said first well being configurable to produce treated fluids from the hydrocarbon reservoir; a second well located in the hydrocarbon reservoir vertically displaced from said first well, said second well being configurable to circulate a heated fluid therein, to inject a heated fluid into the hydrocarbon reservoir, and to create an in situ combustion by having a slotted liner defining a plurality of bores, an igniter located in said slotted liner, a fuel tubing located in said slotted liner, and an oxidant tubing located in said slotted liner, said fuel tubing and said oxidant tubing each defining at least one port configured to deliver a flow into an interior of said slotted liner, said igniter being configured to ignite said flow from said fuel tubing and said oxidant tubing to create said in situ combustion within said slotted liner; and a third well located in the hydrocarbon reservoir vertically displaced from said second well, said third well having a configuration to inject a vaporizable fluid into the hydrocarbon reservoir; wherein said port of said fuel tubing being a plurality of ports defined along a longitudinal axis of said fuel tubing, and said port of said oxidant tubing being a plurality of ports defined along a longitudinal axis of said oxidant tubing.