Inventor
Dean M. Homan
Inventor
Sugar Land, TX, US
Overview
Patents· 52 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics62%
E21BEarth or rock drilling13%
G01RMeasuring electric variables6%
H01QAntennas, i.e. radio aerials5%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G01FMeasuring volume, volume flow, mass flow or liquid level1%
G02BOptical elements, systems or apparatus1%
G06FElectric digital data processing1%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment1%
H01BCables1%
PatentTitleYear
10,935,688Antenna assembly having multiple legs202110,598,809Downhole electromagnetic sensing techniques202010,386,529Subsurface estimation of level of organic maturity201910,371,781Gain-corrected measurements201910,371,852Formation properties from conductivity tensor201910,330,618Method to estimate water saturation in electromagnetic measurements201910,323,510Downhole sensing for electromagnetic telemetry201910,247,846Triaxial antenna array having four saddle coils between two axial coils201910,067,257Multi-frequency electromagnetic tensor measurements201810,036,827Petrophysically-consistent calibration of full-tensor electromagnetic induction tools20189,835,755Full tensor gain compensated propagation measurements20179,835,753Gain compensated tensor propagation measurements using collocated antennas20179,804,292'Term by term gain calibration of triaxial propagation measurements'20179,606,257'Real-time fracture detection and fracture orientation estimation using tri-axial induction measurements'20179,442,214'System and method for gravity measurement in a subterranean environment'20169,134,449'Directional resistivity measurement for well placement and formation evaluation'20159,121,260'Electrically non-conductive sleeve for use in wellbore instrumentation'20159,110,099'Shielded antenna for a downhole logging tool'20159,091,153'Wireless two-way communication for downhole tools'20158,884,624'Shielded antenna for a downhole logging tool'20148,794,318'Formation evaluation instrument and method'20148,441,261'Determination of conductive formation orientation by making wellbore sonde error correction'20138,368,403'Logging tool having shielded triaxial antennas'20138,208,777'Structure for electrical and/or optical cable using impregnated fiber strength layer'20128,200,437'Method for borehole correction, formation dip and azimuth determination and resistivity determination using multiaxial induction measurements'20127,916,092'Flexible circuit for downhole antenna'20117,825,664'Resistivity tool with selectable depths of investigation'20107,812,609'Antennas for deep induction array tools with increased sensitivities'20107,759,943'Subsurface electromagnetic measurements using cross-magnetic dipoles'20107,733,093'Method of and apparatus for measuring tensor resistivity'20107,414,391'Electromagnetic logging tool calibration system'20087,239,145'Subsurface electromagnetic measurements using cross-magnetic dipoles'20077,193,420'Insulated sleeve with conductive electrodes to reduce borehole effects for an induction tool'20077,183,778'Apparatus and method to measure fluid resistivity'20077,138,897'Induction measurements with reduced borehole effects'20067,091,722'Method and apparatus for measuring mud resistivity'20067,091,877'Apparatus and methods for determining isotropic and anisotropic formation resistivity in the presence of invasion'20067,026,813'Semi-conductive shell for sources and sensors'20067,023,212'Insulated sleeve with conductive electrodes to reduce borehole effects for an induction tool'20066,997,258'Apparatus and methods for pressure compensated contact with the borehole wall'20066,927,578'Detection of borehole currents due to a decentered transverse magnetic dipole transmitter'20056,788,065'Slotted tubulars for subsurface monitoring in directed orientations'20046,710,601'Borehole current correction for tilted or transverse magnetic dipoles on conductive supports'20046,690,170'Antenna structures for electromagnetic well logging tools'20046,680,613'Method and apparatus for cancellation of borehole effects due to a tilted or transverse magnetic dipole'20046,667,620'Current-directing shield apparatus for use with transverse magnetic dipole antennas'20036,624,634'Borehole current correction methods and apparatus'20036,573,722'Method and apparatus for cancellation of borehole effects due to a tilted or transverse magnetic dipole'20036,557,794'Coil shielding method for selective attenuation of an electromagnetic energy field component'20036,380,744'Shielding apparatus for selective attenuation of an electromagnetic energy field component'20026,351,127'Shielding method and apparatus for selective attenuation of an electromagnetic energy field component'20026,297,639'Method and apparatus for directional well logging with a shield having sloped slots'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2021Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (50)· patent assignee history
2001–2020Based in Sugar Land, TX, US· patent location history
2012–2017Patents assigned to HOMAN DEAN (5)· patent assignee history
2013–2019Patents assigned to HOMAN DEAN M (8)· patent assignee history
2015–2019Patents assigned to TAHERIAN REZA (3)· patent assignee history
2019Patents assigned to KRYUKOV SERGIY (3)· patent assignee history
2021Based in Damon, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 50 | 2001–2021 |
| HOMAN DEAN Mself | 8 | 2013–2019 |
| HOMAN DEANself | 5 | 2012–2017 |
| KRYUKOV SERGIY | 3 | 2019 |
| TAHERIAN REZA | 3 | 2015–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sugar Land, Texas, US | 51 | 2001–2020 |
| Damon, Texas, US | 1 | 2021 |