Coy M. Fielder

Person

People

Patents Grantslast 30 patents

Information Patent Grant
Expandable eccentric reamer and method of use in drilling
- Patent number 6,991,046
- Issue date Jan 31, 2006
- ReedHycalog, L.P.
- Coy M. Fielder
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sub-reamer for bi-center type tools
- Patent number 6,913,098
- Issue date Jul 5, 2005
- ReedEycalog, L.P.
- Coy M. Fielder
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bi-center bit adapted to drill casing shoe
- Patent number 6,629,476
- Issue date Oct 7, 2003
- Diamond Products International, Inc.
- Coy M. Fielder
- E21 - EARTH DRILLING MINING
Information Patent Grant
Two stage drill bit
- Patent number 6,412,579
- Issue date Jul 2, 2002
- Diamond Products International, Inc.
- Coy M. Fielder
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting element with stress reduction
- Patent number 6,401,845
- Issue date Jun 11, 2002
- Diamond Products International, Inc.
- Coy M. Fielder
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bi-center bit adapted to drill casing shoe
- Patent number 6,340,064
- Issue date Jan 22, 2002
- Diamond Products International, Inc.
- Coy M. Fielder
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting element with stress reduction
- Patent number 6,315,067
- Issue date Nov 13, 2001
- Diamond Products International, Inc.
- Coy Michael Fielder
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reduced erosion nozzle system and method for the use of drill bits...
- Patent number 6,142,248
- Issue date Nov 7, 2000
- Diamond Products International, Inc.
- Gary Michael Thigpen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting element
- Patent number 6,068,072
- Issue date May 30, 2000
- Diamond Products International, Inc.
- Alain Besson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting element with stress reduction
- Patent number 6,026,919
- Issue date Feb 22, 2000
- Diamond Products International Inc.
- Gary Michael Thigpen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bi-center bit with oppositely disposed cutting surfaces
- Patent number 5,992,548
- Issue date Nov 30, 1999
- Diamond Products International, Inc.
- Roger Silva
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stabilizing drill bit with improved cutting elements
- Patent number 5,979,577
- Issue date Nov 9, 1999
- Diamond Products International, Inc.
- Coy M. Fielder
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stabilizing drill bit
- Patent number 5,803,196
- Issue date Sep 8, 1998
- Diamond Products International
- Coy M. Fielder
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bi-center and bit method for enhancing stability
- Patent number 5,678,644
- Issue date Oct 21, 1997
- Diamond Products International, Inc.
- Coy Fielder
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for improving drill bit stability
- Patent number 5,558,170
- Issue date Sep 24, 1996
- Baroid Technology, Inc.
- Gary M. Thigpen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit having chip breaker polycrystalline diamond compact and h...
- Patent number 5,449,048
- Issue date Sep 12, 1995
- Baroid Technology, Inc.
- Gary M. Thigpen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Expandable eccentric reamer and method of use in drilling
- Publication number 20050092526
- Publication date May 5, 2005
- Coy M. Fielder
- E21 - EARTH DRILLING MINING
Information Patent Application
Sub-reamer for bi-center type tools
- Publication number 20040099448
- Publication date May 27, 2004
- Coy M. Fielder
- E21 - EARTH DRILLING MINING
Information Patent Application
Bi-center bit adapted to drill casing shoe
- Publication number 20020092378
- Publication date Jul 18, 2002
- Coy M. Fielder
- E21 - EARTH DRILLING MINING
Information Patent Application
TWO STAGE DRILL BIT
- Publication number 20010045305
- Publication date Nov 29, 2001
- COY M. FIELDER
- E21 - EARTH DRILLING MINING
Information Patent Application
BI-CENTER BIT ADAPTED TO DRILL CASING SHOE
- Publication number 20010045306
- Publication date Nov 29, 2001
- COY M. FIELDER
- E21 - EARTH DRILLING MINING

Coy M. Fielder

Person

Patents Grantslast 30 patents

Expandable eccentric reamer and method of use in drilling

Sub-reamer for bi-center type tools

Bi-center bit adapted to drill casing shoe

Two stage drill bit

Cutting element with stress reduction

Bi-center bit adapted to drill casing shoe

Cutting element with stress reduction

Reduced erosion nozzle system and method for the use of drill bits...

Cutting element

Cutting element with stress reduction

Bi-center bit with oppositely disposed cutting surfaces

Stabilizing drill bit with improved cutting elements

Stabilizing drill bit

Bi-center and bit method for enhancing stability

Method and apparatus for improving drill bit stability

Drill bit having chip breaker polycrystalline diamond compact and h...

Patents Applicationslast 30 patents

Expandable eccentric reamer and method of use in drilling

Sub-reamer for bi-center type tools

Bi-center bit adapted to drill casing shoe

TWO STAGE DRILL BIT

BI-CENTER BIT ADAPTED TO DRILL CASING SHOE