Nigel Evans

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable diameter stator and rotor for progressing cavity motor
- Patent number 9,869,126
- Issue date Jan 16, 2018
- Nabors Drilling Technologies USA, Inc.
- Nigel Evans
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Passive vertical drilling motor stabilization
- Patent number 7,650,952
- Issue date Jan 26, 2010
- Smith International, Inc.
- Nigel Evans
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Variable Diameter Stator and Rotor for Progressing Cavity Motor
- Publication number 20160040480
- Publication date Feb 11, 2016
- Ryan Directional Services, Inc.
- Nigel EVANS
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
DRILL STRING WITH ALUMINUM DRILL PIPES, BENT HOUSING, AND MOTOR
- Publication number 20140367172
- Publication date Dec 18, 2014
- Ryan Directional Services
- Nigel Mark Evans
- E21 - EARTH DRILLING MINING
Information Patent Application
Passive vertical drilling motor stabilization
- Publication number 20080047754
- Publication date Feb 28, 2008
- Smith International, Inc.
- Nigel Evans
- E21 - EARTH DRILLING MINING