David D. Hearn

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tool for metal plugging or sealing of casing
- Patent number 12,129,735
- Issue date Oct 29, 2024
- ConocoPhillips Company
- David D. Hearn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nano-thermite well plug
- Patent number 12,010,970
- Issue date Jun 18, 2024
- ConocoPhillips Company
- David D. Hearn
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Nano-thermite well plug
- Patent number 11,480,026
- Issue date Oct 25, 2022
- CONOCOPHILLIS COMPANY
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tool for metal plugging or sealing of casing
- Patent number 11,441,384
- Issue date Sep 13, 2022
- ConocoPhillips Company
- David D. Hearn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Through tubing P and A with bismuth alloys
- Patent number 11,377,925
- Issue date Jul 5, 2022
- ConocoPhillips Company
- Dan Mueller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Nano-thermite well plug
- Patent number 10,871,050
- Issue date Dec 22, 2020
- ConocoPhillips Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tool for metal plugging or sealing of casing
- Patent number 10,760,374
- Issue date Sep 1, 2020
- ConocoPhillips Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Permanent bypass whipstock assembly for drilling and completing a s...
- Patent number 10,161,227
- Issue date Dec 25, 2018
- ConocoPhillips Company
- David G. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Permanent bypass whipstock assembly for drilling and completing a s...
- Patent number 9,371,694
- Issue date Jun 21, 2016
- ConocoPhillips Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Directional sidetrack well drilling system
- Patent number 8,430,187
- Issue date Apr 30, 2013
- ConocoPhillips Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mill-through tailpipe liner exit and method of use thereof
- Patent number 8,256,535
- Issue date Sep 4, 2012
- ConocoPhillips Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling of laterals from a wellbore
- Patent number 6,318,480
- Issue date Nov 20, 2001
- Atlantic Richfield Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole setting tool
- Patent number 6,257,331
- Issue date Jul 10, 2001
- Atlantic Richfield Company
- Curtis G. Blount
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and toolstring for operating a downhole motor
- Patent number 6,176,327
- Issue date Jan 23, 2001
- Atlantic Richfield Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and system for increasing oil production from an oil well pr...
- Patent number 6,032,737
- Issue date Mar 7, 2000
- Atlantic Richfield Company
- Jerry L. Brady
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for milling a window in well tubular
- Patent number 5,944,101
- Issue date Aug 31, 1999
- Atlantic Richfield Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for increasing oil production from an oil well producing a m...
- Patent number 5,794,697
- Issue date Aug 18, 1998
- Atlantic Richfield Company
- John R. Wolflick
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mill starting device and method
- Patent number 5,725,060
- Issue date Mar 10, 1998
- Atlantic Richfield Company
- Curtis G. Blount
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well conduit cutting and milling apparatus and method
- Patent number 5,265,675
- Issue date Nov 30, 1993
- Atlantic Richfield Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Permanent whipstock and placement method
- Patent number 5,195,591
- Issue date Mar 23, 1993
- Atlantic Richfield Company
- Curtis G. Blount
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing end locating apparatus for wellbores
- Patent number 5,113,703
- Issue date May 19, 1992
- Atlantic Richfield Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coupling for releasing tubing strings from downhole tools
- Patent number 4,913,229
- Issue date Apr 3, 1990
- Atlantic Richfield Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole tool for determining in-situ formation stress orientation
- Patent number 4,899,320
- Issue date Feb 6, 1990
- Atlantic Richfield Company
- David D. Hearn
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Medium curvature directional drilling method
- Patent number 4,762,186
- Issue date Aug 9, 1988
- Atlantic Richfield Company
- James A. Dech
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore cleanout apparatus and method
- Patent number 4,744,420
- Issue date May 17, 1988
- Atlantic Richfield Company
- John C. Patterson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Means for reducing bending stresses in drill pipe
- Patent number 4,674,580
- Issue date Jun 23, 1987
- Atlantic Richfield Company
- Frank J. Schuh
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drainhole drilling assembly with oriented elliptic drill collar
- Patent number 4,653,598
- Issue date Mar 31, 1987
- Atlantic Richfield Company
- Frank J. Schuh
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drainhold drilling
- Patent number 4,476,945
- Issue date Oct 16, 1984
- Atlantic Richfield Company
- David D. Hearn
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
TOOL FOR METAL PLUGGING OR SEALING OF CASING
- Publication number 20240318524
- Publication date Sep 26, 2024
- ConocoPhillips Company
- David D. HEARN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nano-thermite Well Plug
- Publication number 20230371454
- Publication date Nov 23, 2023
- ConocoPhillips Company
- David D. HEARN
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
TOOL FOR METAL PLUGGING OR SEALING OF CASING
- Publication number 20220307343
- Publication date Sep 29, 2022
- ConocoPhillips Company
- David D. HEARN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THROUGH TUBING P&A WITH BISMUTH ALLOYS
- Publication number 20220290526
- Publication date Sep 15, 2022
- ConocoPhillips Company
- Dan MUELLER
- E21 - EARTH DRILLING MINING
Information Patent Application
Nano-thermite Well Plug
- Publication number 20210087904
- Publication date Mar 25, 2021
- ConocoPhillips Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Application
TOOL FOR METAL PLUGGING OR SEALING OF CASING
- Publication number 20200381403
- Publication date Dec 3, 2020
- David D. HEARN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THROUGH TUBING P&A WITH BISMUTH ALLOYS
- Publication number 20190128092
- Publication date May 2, 2019
- ConocoPhillips Company
- Dan MUELLER
- E21 - EARTH DRILLING MINING
Information Patent Application
TOOL FOR METAL PLUGGING OR SEALING OF CASING
- Publication number 20180148991
- Publication date May 31, 2018
- ConocoPhillips Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Application
Nano-thermite Well Plug
- Publication number 20180094504
- Publication date Apr 5, 2018
- ConocoPhillips Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Application
Permanent Bypass Whipstock Assembly For Drilling and Completing a S...
- Publication number 20160305221
- Publication date Oct 20, 2016
- ConocoPhillips Company
- David G. HEARN
- E21 - EARTH DRILLING MINING
Information Patent Application
REDUCED FLOW MILLING
- Publication number 20160090804
- Publication date Mar 31, 2016
- ConocoPhillips Company
- Scott A. GRUBB
- E21 - EARTH DRILLING MINING
Information Patent Application
SINGLE CIRCUIT DOUBLE-ACTING PUMP
- Publication number 20140328664
- Publication date Nov 6, 2014
- ConocoPhillips Company
- David Dewitt Hearn
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SYSTEM FOR THE CONTINUOUS CIRCULATION OF PRODUCED FLUIDS FROM A SUB...
- Publication number 20140318763
- Publication date Oct 30, 2014
- CONOCOPHILLIPLS COMPANY
- David Dewitt HEARN
- E21 - EARTH DRILLING MINING
Information Patent Application
Permanent Bypass Whipstock Assembly For Drilling and Completing a S...
- Publication number 20100307736
- Publication date Dec 9, 2010
- ConocoPhillips Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Application
DIRECTIONAL SIDETRACK WELL DRILLING SYSTEM
- Publication number 20100218996
- Publication date Sep 2, 2010
- ConocoPhillips Company
- David D. Hearn
- E21 - EARTH DRILLING MINING
Information Patent Application
Mill-Through Tailpipe Liner Exit
- Publication number 20100147592
- Publication date Jun 17, 2010
- ConocoPhillips Company
- David D. Hearn
- E21 - EARTH DRILLING MINING

David D. Hearn

Person

Patents Grantslast 30 patents

Tool for metal plugging or sealing of casing

Nano-thermite well plug

Nano-thermite well plug

Tool for metal plugging or sealing of casing

Through tubing P and A with bismuth alloys

Nano-thermite well plug

Tool for metal plugging or sealing of casing

Permanent bypass whipstock assembly for drilling and completing a s...

Permanent bypass whipstock assembly for drilling and completing a s...

Directional sidetrack well drilling system

Mill-through tailpipe liner exit and method of use thereof

Drilling of laterals from a wellbore

Downhole setting tool

Method and toolstring for operating a downhole motor

Method and system for increasing oil production from an oil well pr...

Apparatus for milling a window in well tubular

Method for increasing oil production from an oil well producing a m...

Mill starting device and method

Well conduit cutting and milling apparatus and method

Permanent whipstock and placement method

Tubing end locating apparatus for wellbores

Coupling for releasing tubing strings from downhole tools

Downhole tool for determining in-situ formation stress orientation

Medium curvature directional drilling method

Wellbore cleanout apparatus and method

Means for reducing bending stresses in drill pipe

Drainhole drilling assembly with oriented elliptic drill collar

Drainhold drilling

Patents Applicationslast 30 patents

TOOL FOR METAL PLUGGING OR SEALING OF CASING

Nano-thermite Well Plug

TOOL FOR METAL PLUGGING OR SEALING OF CASING

THROUGH TUBING P&A WITH BISMUTH ALLOYS

Nano-thermite Well Plug

TOOL FOR METAL PLUGGING OR SEALING OF CASING

THROUGH TUBING P&A WITH BISMUTH ALLOYS

TOOL FOR METAL PLUGGING OR SEALING OF CASING

Nano-thermite Well Plug

Permanent Bypass Whipstock Assembly For Drilling and Completing a S...

REDUCED FLOW MILLING

SINGLE CIRCUIT DOUBLE-ACTING PUMP

SYSTEM FOR THE CONTINUOUS CIRCULATION OF PRODUCED FLUIDS FROM A SUB...

Permanent Bypass Whipstock Assembly For Drilling and Completing a S...

DIRECTIONAL SIDETRACK WELL DRILLING SYSTEM

Mill-Through Tailpipe Liner Exit