Hector Ulpiano Caicedo

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for predicting rate of penetration using bit-specific coeffi...
- Patent number 7,991,554
- Issue date Aug 2, 2011
- Chevron U.S.A. Inc.
- William Malcolm Calhoun
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for predicting rate of penetration using bit-specific coeffi...
- Patent number 7,412,331
- Issue date Aug 12, 2008
- Chevron U.S.A. Inc.
- William Malcolm Calhoun
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method for predicting rate of penetration using bit-specific coeffi...
- Publication number 20080249714
- Publication date Oct 9, 2008
- William Malcolm Calhoun
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for predicting rate of penetration using bit-specific coeffi...
- Publication number 20060149478
- Publication date Jul 6, 2006
- Chevron U.S.A. Inc.
- William Malcolm Calhoun
- E21 - EARTH DRILLING MINING