R. L. Colvard

Follow

Person

Tomball, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Retractable joint and cementing shoe for use in completing a wellbore
- Patent number 7,730,965
- Issue date Jun 8, 2010
- Weatherford/Lamb, Inc.
- John Christopher Jordan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods and apparatus for actuating a downhole tool
- Patent number 7,252,152
- Issue date Aug 7, 2007
- Weatherford/Lamb, Inc.
- Michael LoGiudice
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Retractable joint and cementing shoe for use in completing a wellbore
- Publication number 20060185855
- Publication date Aug 24, 2006
- John Christopher Jordan
- E21 - EARTH DRILLING MINING