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using explosives in boreholes using projectiles penetrating the wall
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CPC
E21B49/04
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B49/00
Testing the nature of borehole walls Formation testing Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Current Industry
E21B49/04
using explosives in boreholes using projectiles penetrating the wall
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Patents Grants
last 30 patents
Information
Patent Grant
Tunneling and mining method using pre-conditioned hole pattern
Patent number
11,976,556
Issue date
May 7, 2024
Hypersciences, Inc.
Mark C. Russell
E21 - EARTH DRILLING MINING
Information
Patent Grant
System for generation of thermal energy
Patent number
11,674,388
Issue date
Jun 13, 2023
Hypersciences, Inc.
Hossam Elbadawy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for acquiring geological data from a bore hole
Patent number
11,162,359
Issue date
Nov 2, 2021
David Lawie
E21 - EARTH DRILLING MINING
Information
Patent Grant
System for acoustic navigation of boreholes
Patent number
10,914,168
Issue date
Feb 9, 2021
Hypersciences, Inc.
Hossam Elbadawy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subterranean well torpedo system
Patent number
10,883,810
Issue date
Jan 5, 2021
Saudi Arabian Oil Company
Brett Bouldin
F42 - AMMUNITION BLASTING
Information
Patent Grant
Method for extracting a core from a percussion side wall core bulle...
Patent number
10,745,988
Issue date
Aug 18, 2020
BP EXPLORATION OPERATING COMPANY LIMITED
Dmitry Lakshtanov
G01 - MEASURING TESTING
Information
Patent Grant
Ram accelerator system with baffles
Patent number
10,697,242
Issue date
Jun 30, 2020
Hypersciences, Inc.
Mark C. Russell
F41 - WEAPONS
Information
Patent Grant
Target composite core apparatus for radial flow geometry
Patent number
10,620,182
Issue date
Apr 14, 2020
Halliburton Energy Services, Inc.
Jacob Andrew McGregor
G01 - MEASURING TESTING
Information
Patent Grant
Kinetic penetrator with a retrieval tether
Patent number
9,562,396
Issue date
Feb 7, 2017
Elwha LLC
Michael H. Baym
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and methods for sidewall percussion coring using a voltag...
Patent number
8,230,946
Issue date
Jul 31, 2012
Halliburton Energy Services, Inc.
Don L. Crawford
F42 - AMMUNITION BLASTING
Information
Patent Grant
Downhole formation testing tool
Patent number
7,303,011
Issue date
Dec 4, 2007
Schlumberger Technology Corporation
Lennox Reid
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole formation testing tool
Patent number
7,191,831
Issue date
Mar 20, 2007
Schlumberger Technology Corporation
Lennox Reid
E21 - EARTH DRILLING MINING
Information
Patent Grant
Oriented-radial-cores retrieval for measurements of directional pro...
Patent number
5,482,122
Issue date
Jan 9, 1996
Halliburton Company
Hazim H. Abass
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for formation sampling during the drilling of...
Patent number
5,445,228
Issue date
Aug 29, 1995
Atlantic Richfield Company
James J. Rathmell
E21 - EARTH DRILLING MINING
Information
Patent Grant
High temperature and pressure igniter for downhole percussion corin...
Patent number
5,031,536
Issue date
Jul 16, 1991
Halliburton Logging Services, Inc.
James M. Barker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Percussion core gun construction and cable arrangement
Patent number
4,979,576
Issue date
Dec 25, 1990
Halliburton Logging Services, Inc.
James M. Barker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bullet firing mechanism with retrieval cable
Patent number
4,827,823
Issue date
May 9, 1989
Halliburton Logging Services, Inc.
Pat B. Barrett
E21 - EARTH DRILLING MINING
Information
Patent Grant
Formation sampling bullet and cables therefor
Patent number
4,750,570
Issue date
Jun 14, 1988
Barrett Machine Works
Bracell P. Barrett
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sidewall core gun
Patent number
4,702,168
Issue date
Oct 27, 1987
Halliburton Company
Edward A. Colle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Core sample taking bullet construction
Patent number
4,702,327
Issue date
Oct 27, 1987
Barrett Machine Works
Bracell P. Barrett
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sidewall core gun
Patent number
4,609,056
Issue date
Sep 2, 1986
Halliburton Company
Edward A. Colle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Formation sampling bullet
Patent number
4,569,403
Issue date
Feb 11, 1986
Barrett Machine Works
Bracell P. Barrett
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole sampling apparatus
Patent number
4,450,717
Issue date
May 29, 1984
Phillips Petroleum Company
Bruce F. Wiley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole sampling method and apparatus
Patent number
4,339,947
Issue date
Jul 20, 1982
Phillips Petroleum Company
Bruce F. Wiley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sidewall sampling apparatus
Patent number
4,280,568
Issue date
Jul 28, 1981
Dresser Industries, Inc.
William A. McPhee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for monitoring the operation of well bore guns
Patent number
4,220,212
Issue date
Sep 2, 1980
Schlumberger Technology Corporation
Jack F. Lands
F42 - AMMUNITION BLASTING
Information
Patent Grant
3842918
Patent number
3,842,918
Issue date
Oct 22, 1974
E21 - EARTH DRILLING MINING
Information
Patent Grant
3807511
Patent number
3,807,511
Issue date
Apr 30, 1974
E21 - EARTH DRILLING MINING
Information
Patent Grant
3776321
Patent number
3,776,321
Issue date
Dec 4, 1973
E21 - EARTH DRILLING MINING
Information
Patent Grant
3517756
Patent number
3,517,756
Issue date
Jun 30, 1970
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND SYSTEM FOR ACQUIRING GEOLOGICAL DATA FROM A BORE HOLE
Publication number
20200408091
Publication date
Dec 31, 2020
REFLEX INSTRUMENTS ASIA PACIFIC PTY LTD
David Lawie
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR ACQUIRING GEOLOGICAL DATA FROM A BORE HOLE
Publication number
20200224532
Publication date
Jul 16, 2020
REFLEX INSTRUMENTS ASIA PACIFIC PTY LTD
David Lawie
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM FOR ACOUSTIC NAVIGATION OF BOREHOLES
Publication number
20180202288
Publication date
Jul 19, 2018
HYPERSCIENCES, INC.
HOSSAM ELBADAWY
E21 - EARTH DRILLING MINING
Information
Patent Application
Resistor-based Ignition System for a Core Gun
Publication number
20130228066
Publication date
Sep 5, 2013
BAKER HUGHES INCORPORATED
George A. Brunner
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and Methods for Sidewall Percussion Coring Using a Voltag...
Publication number
20100163305
Publication date
Jul 1, 2010
Halliburton Energy Services, Inc.
Don L. Crawford
F42 - AMMUNITION BLASTING
Information
Patent Application
Downhole Formation Testing Tool
Publication number
20070215349
Publication date
Sep 20, 2007
SCHLUMBERGER TECHNOLOGY CORPORATION
Lennox Reid
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE FORMATION TESTING TOOL
Publication number
20050284629
Publication date
Dec 29, 2005
SCHLUMBERGER TECHNOLOGY CORPORATION
Lennox Reid
E21 - EARTH DRILLING MINING