John E. Fontenot

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Non-contact borehole caliber measurement
- Patent number 4,964,085
- Issue date Oct 16, 1990
- Baroid Technology, Inc.
- Daniel F. Coope
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for determining true formation porosity from m...
- Patent number 4,810,459
- Issue date Mar 7, 1989
- NL Industries, Inc.
- John E. Fontenot
- G01 - MEASURING TESTING
Information Patent Grant
Method determining formation dip
- Patent number 4,747,303
- Issue date May 31, 1988
- NL Industries, Inc.
- John E. Fontenot
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of controlling the direction of a drill bit in a borehole
- Patent number 4,733,733
- Issue date Mar 29, 1988
- NL Industries, Inc.
- William B. Bradley
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method for estimating formation characteristics of the exposed bott...
- Patent number 4,697,650
- Issue date Oct 6, 1987
- NL Industries, Inc.
- John E. Fontenot
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for determining borehole stress from MWD parameter and calip...
- Patent number 4,599,904
- Issue date Jul 15, 1986
- NL Industries, Inc.
- John E. Fontenot
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for determining formation pressure
- Patent number 4,570,480
- Issue date Feb 18, 1986
- NL Industries, Inc.
- John E. Fontenot
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for optimizing the tripping velocity of a drill string
- Patent number 4,566,318
- Issue date Jan 28, 1986
- NL Industries, Inc.
- M. Vikram Rao
- E21 - EARTH DRILLING MINING

John E. Fontenot

Person

Patents Grantslast 30 patents

Non-contact borehole caliber measurement

Method and apparatus for determining true formation porosity from m...

Method determining formation dip

Method of controlling the direction of a drill bit in a borehole

Method for estimating formation characteristics of the exposed bott...

Method for determining borehole stress from MWD parameter and calip...

Method and apparatus for determining formation pressure

Method for optimizing the tripping velocity of a drill string