Christopher A. Dines

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Internally sealable perforable nipple for downhole well applications
- Patent number 5,390,742
- Issue date Feb 21, 1995
- Halliburton Company
- Christopher A. Dines
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dedicated perforatable nipple with integral isolation sleeve
- Patent number 5,361,843
- Issue date Nov 8, 1994
- Halliburton Company
- Perry C. Shy
- E21 - EARTH DRILLING MINING
Information Patent Grant
Variable flow sliding sleeve valve and positioning shifting tool th...
- Patent number 5,211,241
- Issue date May 18, 1993
- Otis Engineering Corporation
- Howard R. Mashaw
- E21 - EARTH DRILLING MINING