David Leonwill Jones

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Duncan, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Tracking and measurements associated with cement plugs
- Patent number 10,539,007
- Issue date Jan 21, 2020
- Halliburton Energy Services, Inc.
- Ronald Johannes Dirksen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Down hole drilling fluid heating apparatus and method
- Patent number 7,467,658
- Issue date Dec 23, 2008
- Halliburton Energy Services, Inc.
- Gerald Edward Kent
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
TRACKING AND MEASUREMENTS ASSOCIATED WITH CEMENT PLUGS
- Publication number 20180313206
- Publication date Nov 1, 2018
- Halliburton Energy Services, Inc.
- Ronald Johannes DIRKSEN
- E21 - EARTH DRILLING MINING
Information Patent Application
Down hole drilling fluid heating apparatus and method
- Publication number 20050173119
- Publication date Aug 11, 2005
- Halliburton Energy Services, Inc.
- Richard T. Hay
- E21 - EARTH DRILLING MINING