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Inventor

Donald K. Steinman

Inventor
Missouri City, TX, US

Overview

10→
Patents
1981–2019
Patent span
Physics
Primary field (CPC G)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Vprimary
G01VGeophysics50%
E21BEarth or rock drilling22%
F16LPipes6%
G01FMeasuring volume, volume flow, mass flow or liquid level6%
G01KMeasuring temperature6%
G01TMeasurement of nuclear or x-radiation6%
G06FElectric digital data processing6%
PatentTitleYear
10,192,007System and method for estimating material density20199,927,552'System and method for eccentering correction'20189,267,359'Method and apparatus for interrogating a subterranean annulus'20168,878,126'Method for inspecting a subterranean tubular'20148,754,362'Method for detecting fractures and perforations in a subterranean formation'20147,303,010'Apparatus and method for an autonomous robotic system for performing activities in a well'20075,175,429'Stand-off compensation for nuclear MWD measurement'19925,128,541'Thermal decay time logging method'19924,600,838'Methods and apparatus for measuring thermal neutron decay characteristics of earth formations'19864,251,724'Method and apparatus for determination of temperature, neutron absorption cross section and neutron moderating power'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Based in San Diego, CA, US· patent location history
1986–1992Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (2)· patent assignee history
1986–2019Based in Missouri City, TX, US· patent location history
2014–2016Patents assigned to GE OIL & GAS LOGGING SERVICES INC (3)· patent assignee history
2014–2016Patents assigned to HERTZOG RUSSEL (2)· patent assignee history
2014–2016Patents assigned to SMAARDYK JOHN EDWARD (2)· patent assignee history
2018–2019Patents assigned to GEN ELECTRIC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GE OIL & GAS LOGGING SERVICES INC32014–2016
GEN ELECTRIC22018–2019
HERTZOG RUSSEL22014–2016
SCHLUMBERGER TECHNOLOGY CORP21986–1992
SMAARDYK JOHN EDWARD22014–2016
Locations
LocationPatentsSpan
Missouri City, Texas, US91986–2019
San Diego, California, US11981