Inventor
Etuan Zhang
Inventor
Houston, TX, US
Overview
88→
Patents
2003–2015
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 88 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling26%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]19%
C09KMaterials for miscellaneous applications, not provided for elsewhere19%
Y02PClimate change mitigation technologies in the production or processing of goods17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
C10GCracking hydrocarbon oils1%
Y10TTechnical subjects covered by former us classification1%
PatentTitleYear
9,181,780'Controlling and assessing pressure conditions during treatment of tar sands formations'20158,789,586'In situ recovery from a hydrocarbon containing formation'20148,485,252'In situ recovery from a hydrocarbon containing formation'20138,225,866'In situ recovery from a hydrocarbon containing formation'20128,191,630'Creating fluid injectivity in tar sands formations'20127,798,221'In situ recovery from a hydrocarbon containing formation'20107,730,947'Creating fluid injectivity in tar sands formations'20107,644,765'Heating tar sands formations while controlling pressure'20107,635,024'Heating tar sands formations to visbreaking temperatures'20097,360,588'Thermal processes for subsurface formations'20087,225,866'In situ thermal processing of an oil shale formation using a pattern of heat sources'20077,121,342'Thermal processes for subsurface formations'20067,096,942'In situ thermal processing of a relatively permeable formation while controlling pressure'20067,096,953'In situ thermal processing of a coal formation using a movable heating element'20067,096,941'In situ thermal processing of a coal formation with heat sources located at an edge of a coal layer'20067,086,468'In situ thermal processing of a hydrocarbon containing formation using heat sources positioned within open wellbores'20067,077,199'In situ thermal processing of an oil reservoir formation'20067,051,811'In situ thermal processing through an open wellbore in an oil shale formation'20067,040,398'In situ thermal processing of a relatively permeable formation in a reducing environment'20067,040,400'In situ thermal processing of a relatively impermeable formation using an open wellbore'20067,040,399'In situ thermal processing of an oil shale formation using a controlled heating rate'20067,040,397'Thermal processing of an oil shale formation to increase permeability of the formation'20067,036,583'In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation'20067,017,661'Production of synthesis gas from a coal formation'20067,011,154'In situ recovery from a kerogen and liquid hydrocarbon containing formation'20066,997,255'In situ thermal processing of a hydrocarbon containing formation in a reducing environment'20066,994,169'In situ thermal processing of an oil shale formation with a selected property'20066,994,161'In situ thermal processing of a coal formation with a selected moisture content'20066,994,160'In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range'20066,994,168'In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen to carbon ratio'20066,991,031'In situ thermal processing of a coal formation to convert a selected total organic carbon content into hydrocarbon products'20066,991,033'In situ thermal processing while controlling pressure in an oil shale formation'20066,991,032'In situ thermal processing of an oil shale formation using a pattern of heat sources'20066,973,967'Situ thermal processing of a coal formation using pressure and/or temperature control'20056,966,372'In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids'20056,959,761'In situ thermal processing of a coal formation with a selected ratio of heat sources to production wells'20056,953,087'Thermal processing of a hydrocarbon containing formation to increase a permeability of the formation'20056,951,247'In situ thermal processing of an oil shale formation using horizontal heat sources'20056,948,563'In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content'20056,923,257'In situ thermal processing of an oil shale formation to produce a condensate'20056,923,258'In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content'20056,918,443'In situ thermal processing of an oil shale formation to produce hydrocarbons having a selected carbon number range'20056,918,442'In situ thermal processing of an oil shale formation in a reducing environment'20056,902,003'In situ thermal processing of a hydrocarbon containing formation having a selected total organic carbon content'20056,902,004'In situ thermal processing of a hydrocarbon containing formation using a movable heating element'20056,889,769'In situ thermal processing of a hydrocarbon containing formation with a selected moisture content'20056,880,633'In situ thermal processing of an oil shale formation to produce a desired product'20056,877,554'In situ thermal processing of a hydrocarbon containing formation using pressure and/or temperature control'20056,871,707'In situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration'20056,866,097'In situ thermal processing of a coal formation to increase a permeability/porosity of the formation'20056,820,688'In situ thermal processing of coal formation with a selected hydrogen content and/or selected H/C ratio'20046,782,947'In situ thermal processing of a relatively impermeable formation to increase permeability of the formation'20046,763,886'In situ thermal processing of a coal formation with carbon dioxide sequestration'20046,758,268'In situ thermal processing of a hydrocarbon containing formation using a relatively slow heating rate'20046,752,210'In situ thermal processing of a coal formation using heat sources positioned within open wellbores'20046,749,021'In situ thermal processing of a coal formation using a controlled heating rate'20046,745,831'In situ thermal processing of a hydrocarbon containing formation by controlling a pressure of the formation'20046,745,832'Situ thermal processing of a hydrocarbon containing formation to control product composition'20046,745,837'In situ thermal processing of a hydrocarbon containing formation using a controlled heating rate'20046,742,588'In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content'20046,739,393'In situ thermal processing of a coal formation and tuning production'20046,736,215'In situ thermal processing of a hydrocarbon containing formation, in situ production of synthesis gas, and carbon dioxide sequestration'20046,732,795'In situ thermal processing of a hydrocarbon containing formation to pyrolyze a selected percentage of hydrocarbon material'20046,732,794'In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content'20046,729,396'In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range'20046,729,397'In situ thermal processing of a hydrocarbon containing formation with a selected vitrinite reflectance'20046,729,395'In situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat sources to production wells'20046,725,921'In situ thermal processing of a coal formation by controlling a pressure of the formation'20046,725,920'In situ thermal processing of a hydrocarbon containing formation to convert a selected amount of total organic carbon into hydrocarbon products'20046,722,429'In situ thermal processing of a hydrocarbon containing formation leaving one or more selected unprocessed areas'20046,722,430'In situ thermal processing of a coal formation with a selected oxygen content and/or selected O/C ratio'20046,722,431'In situ thermal processing of hydrocarbons within a relatively permeable formation'20046,719,047'In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment'20046,715,548'In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids'20046,715,549'In situ thermal processing of a hydrocarbon containing formation with a selected atomic oxygen to carbon ratio'20046,712,136'In situ thermal processing of a hydrocarbon containing formation using a selected production well spacing'20046,712,135'In situ thermal processing of a coal formation in reducing environment'20046,712,137'In situ thermal processing of a coal formation to pyrolyze a selected percentage of hydrocarbon material'20046,708,758'In situ thermal processing of a coal formation leaving one or more selected unprocessed areas'20046,702,016'In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer'20046,698,515'In situ thermal processing of a coal formation using a relatively slow heating rate'20046,688,387'In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon condensate'20046,607,033'In Situ thermal processing of a coal formation to produce a condensate'20036,591,907'In situ thermal processing of a coal formation with a selected vitrinite reflectance'20036,591,906'In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content'20036,588,504'In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids'20036,588,503'In Situ thermal processing of a coal formation to control product composition'20036,581,684'In Situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2015Patents assigned to SHELL OIL CO (86)· patent assignee history
2003–2015Based in Houston, TX, US· patent location history
2006–2015Patents assigned to ZHANG ETUAN (6)· patent assignee history
2006–2013Patents assigned to STEGEMEIER GEORGE LEO (5)· patent assignee history
2006–2013Patents assigned to BERCHENKO ILYA EMIL (4)· patent assignee history
2006–2013Patents assigned to DE ROUFFIGNAC ERIC PIERRE (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHELL OIL CO | 86 | 2003–2015 |
| ZHANG ETUANself | 6 | 2006–2015 |
| STEGEMEIER GEORGE LEO | 5 | 2006–2013 |
| BERCHENKO ILYA EMIL | 4 | 2006–2013 |
| DE ROUFFIGNAC ERIC PIERRE | 4 | 2006–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 88 | 2003–2015 |