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US9 patents
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Downhole telemetry systems and methods with time-reversal pre-equalization
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Determining fluid density
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Digital phase lock loop configurable as a frequency estimator
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Non-invasive compressibility and in situ density testing of a fluid sample in a sealed chamber
GAO LI10 citations81
US9103928B2Aug 11, 2015
Methods and systems for analyzing formation properties when performing subterranean operations
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Method and apparatus for measuring linear displacement
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US9568410B2Feb 14, 2017
Apparatus and methods of determining fluid viscosity
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US10041870B2Aug 7, 2018
Fluid densitometer with temperature sensor to provide temperature correction
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US9645114B2May 9, 2017
Single magnet fluid densitometer
GAO LI0 citations42