Eric Pierre De Rouffignac

Irregular pattern treatment of a subsurface formation

In situ thermal processing of an oil shale formation

In situ thermal processing of an oil shale formation containing carbonate minerals

Installation and use of removable heaters in a hydrocarbon containing formation

Treatment of a hydrocarbon containing formation after heating

In situ thermal processing of an oil shale formation using a pattern of heat sources

In situ thermal processing of a relatively permeable formation while controlling pressure

In situ thermal processing of a coal formation using a movable heating element

In situ thermal processing of a coal formation with heat sources located at an edge of a coal layer

In situ thermal processing of a hydrocarbon containing formation using heat sources positioned within open wellbores

In situ recovery from lean and rich zones in a hydrocarbon containing formation

Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations

In situ thermal recovery from a relatively permeable formation with controlled production rate

In situ thermal processing through an open wellbore in an oil shale formation

In situ thermal recovery from a relatively permeable formation with quality control

In situ thermal processing of a relatively impermeable formation using an open wellbore

In situ thermal processing of an oil shale formation using a controlled heating rate

In situ thermal processing of a relatively permeable formation in a reducing environment

Thermal processing of an oil shale formation to increase permeability of the formation

In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation

Production of synthesis gas from a coal formation

In situ thermal processing of an oil shale formation using a natural distributed combustor

In situ recovery from a kerogen and liquid hydrocarbon containing formation

Conductor-in-conduit heat sources for in situ thermal processing of an oil shale formation

In situ thermal processing and remediation of an oil shale formation

In situ thermal processing and solution mining of an oil shale formation

In situ thermal processing of a hydrocarbon containing formation in a reducing environment

In situ thermal processing of an oil shale formation with a selected property

In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range

In situ thermal processing of a coal formation with a selected moisture content

In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen to carbon ratio

Thermal processing of a relatively permeable formation

In situ thermal processing while controlling pressure in an oil shale formation

In situ thermal processing of an oil shale formation using a pattern of heat sources

In situ thermal processing of a coal formation to convert a selected total organic carbon content into hydrocarbon products

In situ thermal recovery from a relatively permeable formation

Situ thermal processing of a coal formation using pressure and/or temperature control

In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids

In situ thermal recovery from a relatively permeable formation with backproduction through a heater wellbore

In situ thermal processing of a coal formation with a selected ratio of heat sources to production wells

Thermal processing of a hydrocarbon containing formation to increase a permeability of the formation

In situ thermal processing of an oil shale formation using horizontal heat sources

Production of a blending agent using an in situ thermal process in a relatively permeable formation

In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content

In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content

In situ thermal processing of an oil shale formation to produce a condensate

In situ thermal processing of an oil shale formation to produce hydrocarbons having a selected carbon number range

In situ thermal processing of an oil shale formation in a reducing environment

In situ thermal processing of an oil shale formation having permeable and impermeable sections

In Situ thermal processing of hydrocarbons within a relatively impermeable formation

In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor

In situ thermal processing of a hydrocarbon containing formation using a movable heating element

In situ thermal processing of a hydrocarbon containing formation having a selected total organic carbon content

In situ thermal processing of a hydrocarbon containing formation using repeating triangular patterns of heat sources

In situ thermal processing of a hydrocarbon containing formation with a selected moisture content

In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor

In situ thermal processing of an oil shale formation to produce a desired product

In situ thermal processing of an oil shale formation while inhibiting coking

In situ thermal processing of a hydrocarbon containing formation using pressure and/or temperature control

In situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration

In situ thermal processing of a coal formation to increase a permeability/porosity of the formation