Underbalanced techniques

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CPC
E21B2021/006

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EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING

Current Industry

E21B2021/006Underbalanced techniques

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Refracturing in a multistring casing with constant entrance hole pe...
- Patent number 10,753,183
- Issue date Aug 25, 2020
- Geodynamics, Inc.
- Wenbo Yang
- F42 - AMMUNITION BLASTING
Information Patent Grant
Proportional control of rig drilling mud flow
- Patent number 10,683,715
- Issue date Jun 16, 2020
- Schlumberger Technology Corporation
- Yawan Couturier
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Sealing and controlling of fluid pressure in an annular fluid passa...
- Patent number 10,648,258
- Issue date May 12, 2020
- Itrec B.V.
- Thomas Walburgis Bakker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Lumped data modeling of tool joint effects in underbalanced drilling
- Patent number 10,558,765
- Issue date Feb 11, 2020
- Landmark Graphics Corporation
- Robello Samuel
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Flow diverter
- Patent number 10,533,388
- Issue date Jan 14, 2020
- Shea Keller Wesson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mud pulse telemetry with continuous circulation drilling
- Patent number 10,494,885
- Issue date Dec 3, 2019
- Baker Hughes, a GE company, LLC
- Joerg Lehr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Managed pressure drilling system with influx control
- Patent number 10,443,328
- Issue date Oct 15, 2019
- Martin Culen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multilateral well drilled with underbalanced coiled tubing and stim...
- Patent number 10,436,006
- Issue date Oct 8, 2019
- Saudi Arabian Oil Company
- Abdulrahman Abdulaziz Al-Mulhem
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dual circulation fluid hammer drilling system
- Patent number 10,422,185
- Issue date Sep 24, 2019
- Strada Design Limited
- Ian Speer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Optimized UBD operation envelope
- Patent number 10,280,730
- Issue date May 7, 2019
- Landmark Graphics Corporation
- Robello Samuel
- G05 - CONTROLLING REGULATING
Information Patent Grant
Reservoir wellbore fluid
- Patent number 10,280,355
- Issue date May 7, 2019
- M-I L.L.C.
- Mark Luyster
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Downhole string for drilling through a low pressure zone
- Patent number 10,253,591
- Issue date Apr 9, 2019
- Welltec Oilfield Solutions AG
- Paul Hazel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Depth range manager for drill string analysis
- Patent number 10,240,450
- Issue date Mar 26, 2019
- Landmark Graphics Corporation
- Matthew E. Wise
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Remotely operated isolation valve
- Patent number 10,214,999
- Issue date Feb 26, 2019
- Weatherford Technology Holdings, LLC
- Joe Noske
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control of multiple hydraulic chokes in managed pressure drilling
- Patent number 10,174,571
- Issue date Jan 8, 2019
- Weatherford Technology Holdings, LLC
- Walter S. Dillard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dynamic method and real time monitoring of UBD operation tunnel env...
- Patent number 10,156,133
- Issue date Dec 18, 2018
- Landmark Graphics Corporation
- Samuel Robello
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal operated isolation valve
- Patent number 10,151,171
- Issue date Dec 11, 2018
- Weatherford Technology Holdings, LLC
- Joe Noske
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore reverse circulation with flow-activated motor
- Patent number 10,119,367
- Issue date Nov 6, 2018
- Halliburton Energy Services, Inc.
- Bharat Bajirao Pawar
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for managing pressure when drilling
- Patent number 10,113,378
- Issue date Oct 30, 2018
- Halliburton Energy Services, Inc.
- Neal Gregory Skinner
- E21 - EARTH DRILLING MINING
Information Patent Grant
Low profile rotating control device
- Patent number 10,087,701
- Issue date Oct 2, 2018
- Weatherford Technology Holdings, LLC
- Thomas F Bailey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual circulation drilling system
- Patent number 9,970,245
- Issue date May 15, 2018
- Strada Design Limited
- Ian Speer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for controlling pressure in a borehole
- Patent number 9,963,947
- Issue date May 8, 2018
- Statoil Petroleum AS
- Ivar Kjøsnes
- E21 - EARTH DRILLING MINING
Information Patent Grant
Modified hydroxyethyl cellulosic polymers for improved well bore fl...
- Patent number 9,879,172
- Issue date Jan 30, 2018
- Halliburton Energy Services, Inc.
- Kay Ann Galindo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid supply to sealed tubulars
- Patent number 9,845,653
- Issue date Dec 19, 2017
- Weatherford Technology Holdings, LLC
- Don M. Hannegan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Real time conformance
- Patent number 9,816,336
- Issue date Nov 14, 2017
- Halliburton Energy Services, Inc.
- Christopher J. Bernard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotating control device docking station
- Patent number 9,784,073
- Issue date Oct 10, 2017
- Weatherford Technology Holdings, LLC
- Thomas F. Bailey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Constant entrance hole perforating gun system and method
- Patent number 9,765,601
- Issue date Sep 19, 2017
- Geodynamics, Inc.
- Wenbo Yang
- F42 - AMMUNITION BLASTING
Information Patent Grant
Perforating gun for underbalanced perforating
- Patent number 9,759,048
- Issue date Sep 12, 2017
- Owen Oil Tools LP
- Timothy E. LaGrange
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flow stop valve
- Patent number 9,677,376
- Issue date Jun 13, 2017
- Pilot Drilling Control Limited
- George Swietlik
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods and apparatus for wellbore construction and completion
- Patent number 9,637,977
- Issue date May 2, 2017
- Weatherford Technology Holdings, LLC
- Richard L. Giroux
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
FLUID INFLOW SENSING IN A WELLBORE AND RELATED SYSTEMS AND METHODS
- Publication number 20210285319
- Publication date Sep 16, 2021
- Baker Hughes Oilfield Operations LLC
- Sebastian Jung
- E21 - EARTH DRILLING MINING
Information Patent Application
LASER TOOL WITH PURGING HEAD
- Publication number 20210285294
- Publication date Sep 16, 2021
- Saudi Arabian Oil Company
- Sameeh Issa Batarseh
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD TO MANIPULATE A WELL USING AN UNDERBALANCED PRESSURE CONTAINER
- Publication number 20190203567
- Publication date Jul 4, 2019
- Metrol Technology Limited
- Shaun Compton ROSS
- E21 - EARTH DRILLING MINING
Information Patent Application
REMOTELY OPERATED ISOLATION VALVE
- Publication number 20190153822
- Publication date May 23, 2019
- Weatherford Technology Holdings, LLC.
- Joe NOSKE
- E21 - EARTH DRILLING MINING
Information Patent Application
SIGNAL OPERATED ISOLATION VALVE
- Publication number 20190100979
- Publication date Apr 4, 2019
- Weatherford Technology Holdings, LLC.
- Joe NOSKE
- E21 - EARTH DRILLING MINING
Information Patent Application
SEALING AND CONTROLLING OF FLUID PRESSURE IN AN ANNULAR FLUID PASSA...
- Publication number 20180340383
- Publication date Nov 29, 2018
- Itrec B.V.
- Thomas Walburgis BAKKER
- E21 - EARTH DRILLING MINING
Information Patent Application
Proportional Control of Rig Drilling Mud Flow
- Publication number 20180238130
- Publication date Aug 23, 2018
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Yawan Couturier
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and Apparatus for Determining the Permeability of a Fracture...
- Publication number 20180216454
- Publication date Aug 2, 2018
- GEOLOG S.R.L.
- Antonio Calleri
- E21 - EARTH DRILLING MINING
Information Patent Application
Managed Pressure Control System with Variable Built-in Accuracy
- Publication number 20180163489
- Publication date Jun 14, 2018
- Weatherford Technology Holdings, LLC.
- Walter S. Dillard
- E21 - EARTH DRILLING MINING
Information Patent Application
FLUID TRANSFER DEVICE USABLE IN MANAGED PRESSURE AND DUAL GRADIENT...
- Publication number 20180135368
- Publication date May 17, 2018
- Sjö Drilling AS
- Roger Sverre Stave
- E21 - EARTH DRILLING MINING
Information Patent Application
REFRACTURING IN A MULTISTRING CASING WITH CONSTANT ENTRANCE HOLE PE...
- Publication number 20180106136
- Publication date Apr 19, 2018
- GeoDynamics, Inc.
- Wenbo Yang
- F42 - AMMUNITION BLASTING
Information Patent Application
DUAL CIRCULATION FLUID HAMMER DRILLING SYSTEM
- Publication number 20180044991
- Publication date Feb 15, 2018
- Strada Design Limited
- Ian Speer
- E21 - EARTH DRILLING MINING
Information Patent Application
FLOW DIVERTER
- Publication number 20170342788
- Publication date Nov 30, 2017
- ACCESS DOWNHOLE LP
- Shea Keller Wesson
- E21 - EARTH DRILLING MINING
Information Patent Application
Dynamic Underbalanced Drilling technique
- Publication number 20170254154
- Publication date Sep 7, 2017
- Mohamed Hussien Nohamed El-Neiri
- E21 - EARTH DRILLING MINING
Information Patent Application
MODIFIED HYDROXYETHYL CELLULOSIC POLYMERS FOR IMPROVED WELL BORE FL...
- Publication number 20170204318
- Publication date Jul 20, 2017
- Halliburton Energy Services, Inc.
- Kay Ann Galindo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Real Time Conformance
- Publication number 20170183926
- Publication date Jun 29, 2017
- Halliburton Energy Services, Inc.
- Christopher J. Bernard
- E21 - EARTH DRILLING MINING
Information Patent Application
OPTIMIZED UBD OPERATION ENVELOPE
- Publication number 20170074085
- Publication date Mar 16, 2017
- Landmark Graphics Corporation
- Robello SAMUEL
- E21 - EARTH DRILLING MINING
Information Patent Application
PERFORATING GUN FOR UNDERBALANCED PERFORATING
- Publication number 20160376877
- Publication date Dec 29, 2016
- Owen Oil Tools LP
- Timothy E. LaGrange
- E21 - EARTH DRILLING MINING
Information Patent Application
DEPTH RANGE MANAGER FOR DRILL STRING ANALYSIS
- Publication number 20160326856
- Publication date Nov 10, 2016
- Landmark Graphics Corporation
- Matthew E. WISE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHODS FOR WELL COMPLETION
- Publication number 20160319651
- Publication date Nov 3, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Harvey Willimas
- E21 - EARTH DRILLING MINING
Information Patent Application
LUMPED DATA MODELING OF TOOL JOINT EFFECTS IN UNDERBALANCED DRILLING
- Publication number 20160292322
- Publication date Oct 6, 2016
- Landmark Graphics Corporation
- Robello SAMUEL
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR OPTIMIZED UNDERBALANCED DRILLING
- Publication number 20160290106
- Publication date Oct 6, 2016
- Landmark Graphics Corporation
- Xiaoqian HUANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Dynamic Determination of a Single Equivalent Circulating Density (E...
- Publication number 20160273331
- Publication date Sep 22, 2016
- Halliburton Energy Services Inc.
- Nancy S. Davis
- E21 - EARTH DRILLING MINING
Information Patent Application
FLUID SUPPLY TO SEALED TUBULARS
- Publication number 20160230491
- Publication date Aug 11, 2016
- Weatherford Technology Holdings, LLC.
- Don M. HANNEGAN
- E21 - EARTH DRILLING MINING
Information Patent Application
Control of Multiple Hydraulic Chokes in Managed Pressure Drilling
- Publication number 20160194927
- Publication date Jul 7, 2016
- Weatherford Technology Holdings, LLC.
- Walter S. Dillard
- E21 - EARTH DRILLING MINING
Information Patent Application
DUAL CIRCULATION DRILLING SYSTEM
- Publication number 20160108686
- Publication date Apr 21, 2016
- Ian Speer
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and Method for Underbalanced Drilling and Completion of a...
- Publication number 20160053542
- Publication date Feb 25, 2016
- Laris Oil & Gas, LLC
- John M. Stafford
- E21 - EARTH DRILLING MINING
Information Patent Application
USING DYNAMIC UNDERBALANCE TO INCREASE WELL PRODUCTIVITY
- Publication number 20150337629
- Publication date Nov 26, 2015
- Halliburton Energy Services, Inc.
- Wei Zhang
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD FOR MANAGING PRESSURE WHEN DRILLING
- Publication number 20150300110
- Publication date Oct 22, 2015
- Halliburton Energy Services, Inc.
- Neal Gregory Skinner
- E21 - EARTH DRILLING MINING
Information Patent Application
Method of Drilling for and Producing Oil and Gas from Earth Boreholes
- Publication number 20150285049
- Publication date Oct 8, 2015
- Maximo Tejeda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Underbalanced techniques

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Refracturing in a multistring casing with constant entrance hole pe...

Proportional control of rig drilling mud flow

Sealing and controlling of fluid pressure in an annular fluid passa...

Lumped data modeling of tool joint effects in underbalanced drilling

Flow diverter

Mud pulse telemetry with continuous circulation drilling

Managed pressure drilling system with influx control

Multilateral well drilled with underbalanced coiled tubing and stim...

Dual circulation fluid hammer drilling system

Optimized UBD operation envelope

Reservoir wellbore fluid

Downhole string for drilling through a low pressure zone

Depth range manager for drill string analysis

Remotely operated isolation valve

Control of multiple hydraulic chokes in managed pressure drilling

Dynamic method and real time monitoring of UBD operation tunnel env...

Signal operated isolation valve

Wellbore reverse circulation with flow-activated motor

System and method for managing pressure when drilling

Low profile rotating control device

Dual circulation drilling system

Apparatus and method for controlling pressure in a borehole

Modified hydroxyethyl cellulosic polymers for improved well bore fl...

Fluid supply to sealed tubulars

Real time conformance

Rotating control device docking station

Constant entrance hole perforating gun system and method

Perforating gun for underbalanced perforating

Flow stop valve

Methods and apparatus for wellbore construction and completion

Patents Applicationslast 30 patents

FLUID INFLOW SENSING IN A WELLBORE AND RELATED SYSTEMS AND METHODS

LASER TOOL WITH PURGING HEAD

METHOD TO MANIPULATE A WELL USING AN UNDERBALANCED PRESSURE CONTAINER

REMOTELY OPERATED ISOLATION VALVE

SIGNAL OPERATED ISOLATION VALVE

SEALING AND CONTROLLING OF FLUID PRESSURE IN AN ANNULAR FLUID PASSA...

Proportional Control of Rig Drilling Mud Flow

Method and Apparatus for Determining the Permeability of a Fracture...

Managed Pressure Control System with Variable Built-in Accuracy

FLUID TRANSFER DEVICE USABLE IN MANAGED PRESSURE AND DUAL GRADIENT...

REFRACTURING IN A MULTISTRING CASING WITH CONSTANT ENTRANCE HOLE PE...

DUAL CIRCULATION FLUID HAMMER DRILLING SYSTEM

FLOW DIVERTER

Dynamic Underbalanced Drilling technique

MODIFIED HYDROXYETHYL CELLULOSIC POLYMERS FOR IMPROVED WELL BORE FL...

Real Time Conformance

OPTIMIZED UBD OPERATION ENVELOPE

PERFORATING GUN FOR UNDERBALANCED PERFORATING

DEPTH RANGE MANAGER FOR DRILL STRING ANALYSIS

METHODS FOR WELL COMPLETION

LUMPED DATA MODELING OF TOOL JOINT EFFECTS IN UNDERBALANCED DRILLING

METHOD AND APPARATUS FOR OPTIMIZED UNDERBALANCED DRILLING

Dynamic Determination of a Single Equivalent Circulating Density (E...

FLUID SUPPLY TO SEALED TUBULARS

Control of Multiple Hydraulic Chokes in Managed Pressure Drilling

DUAL CIRCULATION DRILLING SYSTEM

Apparatus and Method for Underbalanced Drilling and Completion of a...

USING DYNAMIC UNDERBALANCE TO INCREASE WELL PRODUCTIVITY

SYSTEM AND METHOD FOR MANAGING PRESSURE WHEN DRILLING

Method of Drilling for and Producing Oil and Gas from Earth Boreholes