Inventor

CHACE DAVID M

US24 patents

⚠️ This page may combine multiple inventors who share the name “CHACE DAVID M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHACE DAVID M

BAKER HUGHES INC

Determination of gas pressure and saturation simultaneously

Flowshot technique

Gamma calibration

Flowshot technique

Water saturation determination using an oxygen estimate and formation lithology

System and method for sensing fluids downhole

CHACE DAVID M

Method and apparatus for evaluating a cemented borehole casing

Downhole cement evalution using pulsed neutron measurements

Method for hydrocarbon saturation and hydraulic frac placement

Method for through-casing 3-phase saturation determination

Water saturation determination using an oxygen estimate and formation lithology

WESTERN ATLAS INT INC

Apparatus and method for determining the gravitational orientation of a well logging instrument

Method for measuring the velocity of water flow through nested conduits

Method and apparatus for measuring volumetric water flow rates in highly inclined wellbores

INANC FEYZI

Elemental concentration determination using neutron-induced activation gamma radiation

Elemental concentration determination using neutron-induced activation gamma radiation

Density measurements using detectors on a pulsed neutron measurement platform

DRESSER IND

Method and apparatus for neutron induced gamma ray logging for direct porosity identification

Method and apparatus for natural gamma ray well logging

HILL FREEMAN L

Wireless perforating gun initiation

POWELL CHRISTOPHER J

Simultaneous ultrasonic cross-correlation and transit time measurements for multiphase flow rate analysis

ANSARI RAFAY Z

Apparatus and method for pulsed neutron measurement

BAKER HUGHES A GE CO LLC

Water saturation determination using an oxygen estimate and formation lithology

MARSH ROGER

Apparatus and method for measuring downhole fluid composition and properties