Growing community of inventors

Dripping Springs, TX, United States of America

Dan Colvin

Average Co-Inventor Count = 2.45

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 52

Dan ColvinGary Daniel Schottle (8 patents)Dan ColvinPhilip William Woodard (3 patents)Dan ColvinColin MacDonald (3 patents)Dan ColvinAlvin Stanley Cullick (1 patent)Dan ColvinDeWayne Edward Pratt (1 patent)Dan ColvinAndrew Whalley (1 patent)Dan ColvinColin Macdonald (1 patent)Dan ColvinGary Schottle (0 patent)Dan ColvinGary Schottle (0 patent)Dan ColvinGary Schottle (1 patent)Dan ColvinDan Colvin (10 patents)Gary Daniel SchottleGary Daniel Schottle (8 patents)Philip William WoodardPhilip William Woodard (7 patents)Colin MacDonaldColin MacDonald (3 patents)Alvin Stanley CullickAlvin Stanley Cullick (21 patents)DeWayne Edward PrattDeWayne Edward Pratt (6 patents)Andrew WhalleyAndrew Whalley (4 patents)Colin MacdonaldColin Macdonald (1 patent)Gary SchottleGary Schottle (0 patent)Gary SchottleGary Schottle (0 patent)Gary SchottleGary Schottle (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Landmark Graphics Corporation (9 from 607 patents)

2. Halliburton Energy Services, Inc. (1 from 11,766 patents)

3. Landmark Graphics Corporation, a Halliburton Company (4 patents)


10 patents:

1. 10626712 - Systems and methods for positioning horizontal wells within boundaries

2. 10332219 - Systems and methods for determining optimum platform count and position

3. 10217279 - Three dimensional wellbore visualization

4. 10060245 - Systems and methods for planning well locations with dynamic production criteria

5. 9611729 - Systems and methods for positioning horizontal wells within boundaries

6. 9286437 - Systems and methods for positioning horizontal wells within boundaries

7. 8521496 - Systems and methods for improved positioning of pads

8. 8484004 - Systems and methods for improved positioning of pads

9. 8204728 - Systems and methods for improved positioning of pads

10. 8073664 - Systems and methods for improved positioning of pads

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as of
12/7/2025
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