Borislav J. Tchakarov

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and apparatus for downhole communication
- Patent number 12,078,057
- Issue date Sep 3, 2024
- Well Resolutions Technology
- Tsili Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Modular resistivity sensor for downhole measurement while drilling
- Patent number 11,466,565
- Issue date Oct 11, 2022
- Well Resolutions Technology
- Tsili Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Universal bottomhole assembly node (UBHAN) providing communications...
- Patent number 11,326,437
- Issue date May 10, 2022
- Well Resolutions Technology
- Borislav J. Tchakarov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Boundary tracking control module for rotary steerable systems
- Patent number 11,098,572
- Issue date Aug 24, 2021
- Well Resolutions Technology
- Borislav J. Tchakarov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Boundary tracking control module for rotary steerable systems
- Patent number 10,648,319
- Issue date May 12, 2020
- Well Resolutions Technology
- Borislav J. Tchakarov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Modular resistivity sensor for downhole measurement while drilling
- Patent number 10,337,322
- Issue date Jul 2, 2019
- Well Resolutions Technology
- Tsili Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Boundary tracking control module for rotary steerable systems
- Patent number 10,072,490
- Issue date Sep 11, 2018
- Well Resolutions Technology
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and methods for communicating downhole data
- Patent number 9,851,465
- Issue date Dec 26, 2017
- Well Resolutions Technology
- Tsili Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Modular resistivity sensor for downhole measurement while drilling
- Patent number 9,638,819
- Issue date May 2, 2017
- Well Resolutions Technology
- Tsili Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole closed-loop geosteering methodology
- Patent number 9,273,517
- Issue date Mar 1, 2016
- Schlumberger Technology Corporation
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling system for making LWD measurements ahead of the bit
- Patent number 8,570,045
- Issue date Oct 29, 2013
- Schlumberger Technology Corporation
- Borislav J Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
In-situ formation strength testing with coring
- Patent number 8,171,990
- Issue date May 8, 2012
- Baker Hughes Incorporated
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
In-situ formation strength testing
- Patent number 8,141,419
- Issue date Mar 27, 2012
- Baker Hughes Incorporated
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Vacuum insulated dewar flask
- Patent number 7,921,913
- Issue date Apr 12, 2011
- Baker Hughes Incorporated
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Formation testing and sampling tool including a coring device
- Patent number 7,762,328
- Issue date Jul 27, 2010
- Baker Hughes Corporation
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
High resolution capacitance high conductivity fluid sensor
- Patent number 7,716,978
- Issue date May 18, 2010
- Baker Hughes Incorporated
- Borislav J. Tchakarov
- G01 - MEASURING TESTING
Information Patent Grant
Variable positioning deep cutting rotary coring tool with expandabl...
- Patent number 7,673,704
- Issue date Mar 9, 2010
- Baker Hughes Incorporated
- Quan V. Phan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Side entry leak protection for downhole tools
- Patent number 7,649,357
- Issue date Jan 19, 2010
- Baker Hughes Incorporated
- James C. Hunziker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary coring device and method for acquiring a sidewall core from...
- Patent number 7,530,407
- Issue date May 12, 2009
- Baker Hughes Incorporated
- Borislav Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary position sensor and method for determining a position of a r...
- Patent number 7,411,388
- Issue date Aug 12, 2008
- Baker Hughes Incorporated
- Bahadur Sagoo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Self cleaning coring bit
- Patent number 7,373,994
- Issue date May 20, 2008
- Baker Hughes Incorporated
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for a quadrupole transmitter for directionally...
- Patent number 6,937,022
- Issue date Aug 30, 2005
- Baker Hughes Incorporated
- Gregory Itskovich
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for a quadrupole transmitter for directionally...
- Patent number 6,903,553
- Issue date Jun 7, 2005
- Baker Hughes Incorporated
- Gregory Itskovich
- G01 - MEASURING TESTING
Information Patent Grant
Down hole gas analyzer method and apparatus
- Patent number 6,627,873
- Issue date Sep 30, 2003
- Baker Hughes Incorporated
- Borislav J. Tchakarov
- G01 - MEASURING TESTING
Information Patent Grant
Flexible joint for well logging instruments
- Patent number 6,484,801
- Issue date Nov 26, 2002
- Baker Hughes Incorporated
- James E. Brewer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole carbon dioxide gas analyzer
- Patent number 6,218,662
- Issue date Apr 17, 2001
- Western Atlas International, Inc.
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pulser
- Patent number 6,002,643
- Issue date Dec 14, 1999
- Computalog Limited
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Centralizers for a downhole tool
- Patent number 5,934,378
- Issue date Aug 10, 1999
- Computalog Limited
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flexible joint for downhole tools
- Patent number 5,836,388
- Issue date Nov 17, 1998
- Computalog Limited
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR AN ARRAY OF DIFFERENT DOWNHOLE SENSORS IN A...
- Publication number 20230135986
- Publication date May 4, 2023
- Well Resolutions Technology
- Tsili Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
UNIVERSAL BOTTOMHOLE ASSEMBLY NODE (UBHAN)
- Publication number 20220341310
- Publication date Oct 27, 2022
- Well Resolutions Technology
- Borislav J. Tchakarov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MODULAR RESISTIVITY SENSOR FOR DOWNHOLE MEASUREMENT WHILE DRILLING
- Publication number 20210262344
- Publication date Aug 26, 2021
- Well Resolutions Technology
- Tsili Wang
- G01 - MEASURING TESTING
Information Patent Application
AUTONOMOUS LOGGING-WHILE-DRILLING ASSEMBLY
- Publication number 20210079782
- Publication date Mar 18, 2021
- Well Resolutions Technology
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
UNIVERSAL BOTTOMHOLE ASSEMBLY NODE (UBHAN) PROVIDING COMMUNICATIONS...
- Publication number 20210032971
- Publication date Feb 4, 2021
- Well Resolutions Technology
- Borislav J. Tchakarov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BOUNDARY TRACKING CONTROL MODULE FOR ROTARY STEERABLE SYSTEMS
- Publication number 20200182037
- Publication date Jun 11, 2020
- Well Resolutions Technology
- Borislav J. Tchakarov
- G01 - MEASURING TESTING
Information Patent Application
MODULAR RESISTIVITY SENSOR FOR DOWNHOLE MEASUREMENT WHILE DRILLING
- Publication number 20190277136
- Publication date Sep 12, 2019
- Well Resolutions Technology
- Tsili Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
BOUNDARY TRACKING CONTROL MODULE FOR ROTARY STEERABLE SYSTEMS
- Publication number 20190010798
- Publication date Jan 10, 2019
- Well Resolutions Technology
- Borislav J. Tchakarov
- G01 - MEASURING TESTING
Information Patent Application
BOUNDARY TRACKING CONTROL MODULE FOR ROTARY STEERABLE SYSTEMS
- Publication number 20180258751
- Publication date Sep 13, 2018
- Well Resolutions Technology
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
Modular Resistivity Sensor for Downhole Measurement While Drilling
- Publication number 20180024266
- Publication date Jan 25, 2018
- Well Resolutions Technology
- Tsili Wang
- G01 - MEASURING TESTING
Information Patent Application
Modular Resistivity Sensor for Downhole Measurement While Drilling
- Publication number 20170191364
- Publication date Jul 6, 2017
- Well Resolutions Technology
- Tsili Wang
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHODS FOR COMMUNICATING DOWNHOLE DATA
- Publication number 20140368350
- Publication date Dec 18, 2014
- Tsili WANG
- G01 - MEASURING TESTING
Information Patent Application
MODULAR RESISTIVITY SENSOR FOR DOWNHOLE MEASUREMENT WHILE DRILLING
- Publication number 20140368200
- Publication date Dec 18, 2014
- Tsili WANG
- G01 - MEASURING TESTING
Information Patent Application
DOWNHOLE CLOSED-LOOP GEOSTEERING METHODOLOGY
- Publication number 20120046868
- Publication date Feb 23, 2012
- Smith International, Inc.
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling System for Making LWD Measurements Ahead of the Bit
- Publication number 20110057656
- Publication date Mar 10, 2011
- Smith International, Inc.
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
IN-SITU FORMATION STRENGTH TESTING WITH CORING
- Publication number 20100051347
- Publication date Mar 4, 2010
- BAKER HUGHES INCORPORATED
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
IN-SITU FORMATION STRENGTH TESTING WITH FORMATION SAMPLING
- Publication number 20090164128
- Publication date Jun 25, 2009
- BAKER HUGHES INCORPORATED
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
IN-SITU FORMATION STRENGTH TESTING
- Publication number 20090133486
- Publication date May 28, 2009
- BAKER HUGHES INCORPORATED
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
HIGH RESOLUTION CAPACITANCE HIGH CONDUCTIVITY FLUID SENSOR
- Publication number 20090107666
- Publication date Apr 30, 2009
- Baker Hughes Incorporated
- Borislav J. Tchakarov
- G01 - MEASURING TESTING
Information Patent Application
Variable positioning deep cutting rotary coring tool with expandabl...
- Publication number 20080078582
- Publication date Apr 3, 2008
- Baker Hoghes Incorporated
- Quan V. Phan
- E21 - EARTH DRILLING MINING
Information Patent Application
Formation testing and sampling tool including a coring device
- Publication number 20080078241
- Publication date Apr 3, 2008
- BAKER HUGHES INCORPORATED
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
Vacuum insulated dewar flask
- Publication number 20070095543
- Publication date May 3, 2007
- BAKER HUGHES, INCORPORATED
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
Variable reluctance position sensor and method for determining a po...
- Publication number 20070046126
- Publication date Mar 1, 2007
- Bahadur Sagoo
- G01 - MEASURING TESTING
Information Patent Application
Rotary coring device and method for acquiring a sidewall core from...
- Publication number 20070045005
- Publication date Mar 1, 2007
- Borislav Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
Side entry leak protection for downhole tools
- Publication number 20060273799
- Publication date Dec 7, 2006
- BAKER HUGHES INCORPORATED
- James C. Hunziker
- E21 - EARTH DRILLING MINING
Information Patent Application
Self cleaning coring bit
- Publication number 20060076162
- Publication date Apr 13, 2006
- BAKER HUGHES, INCORPORATED
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Application
Side entry leak protection for sondes
- Publication number 20050030036
- Publication date Feb 10, 2005
- BAKER HUGHES INCORPORATED
- James C. Hunziker
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for a quadrupole transmitter for directionally...
- Publication number 20040046561
- Publication date Mar 11, 2004
- Baker Hughes Incorporated
- Gregory Itskovich
- G01 - MEASURING TESTING
Information Patent Application
Method and apparatus for a quadrupole transmitter for directionally...
- Publication number 20040046560
- Publication date Mar 11, 2004
- Baker Hughes Incorporated
- Gregory Itskovich
- G01 - MEASURING TESTING
Information Patent Application
Flexible joint for well logging instruments
- Publication number 20020129945
- Publication date Sep 19, 2002
- James E. Brewer
- E21 - EARTH DRILLING MINING

Borislav J. Tchakarov

Person

Patents Grantslast 30 patents

Systems and apparatus for downhole communication

Modular resistivity sensor for downhole measurement while drilling

Universal bottomhole assembly node (UBHAN) providing communications...

Boundary tracking control module for rotary steerable systems

Boundary tracking control module for rotary steerable systems

Modular resistivity sensor for downhole measurement while drilling

Boundary tracking control module for rotary steerable systems

Apparatus and methods for communicating downhole data

Modular resistivity sensor for downhole measurement while drilling

Downhole closed-loop geosteering methodology

Drilling system for making LWD measurements ahead of the bit

In-situ formation strength testing with coring

In-situ formation strength testing

Vacuum insulated dewar flask

Formation testing and sampling tool including a coring device

High resolution capacitance high conductivity fluid sensor

Variable positioning deep cutting rotary coring tool with expandabl...

Side entry leak protection for downhole tools

Rotary coring device and method for acquiring a sidewall core from...

Rotary position sensor and method for determining a position of a r...

Self cleaning coring bit

Method and apparatus for a quadrupole transmitter for directionally...

Method and apparatus for a quadrupole transmitter for directionally...

Down hole gas analyzer method and apparatus

Flexible joint for well logging instruments

Downhole carbon dioxide gas analyzer

Pulser

Centralizers for a downhole tool

Flexible joint for downhole tools

Patents Applicationslast 30 patents

SYSTEMS AND METHODS FOR AN ARRAY OF DIFFERENT DOWNHOLE SENSORS IN A...

UNIVERSAL BOTTOMHOLE ASSEMBLY NODE (UBHAN)

MODULAR RESISTIVITY SENSOR FOR DOWNHOLE MEASUREMENT WHILE DRILLING

AUTONOMOUS LOGGING-WHILE-DRILLING ASSEMBLY

UNIVERSAL BOTTOMHOLE ASSEMBLY NODE (UBHAN) PROVIDING COMMUNICATIONS...

BOUNDARY TRACKING CONTROL MODULE FOR ROTARY STEERABLE SYSTEMS

MODULAR RESISTIVITY SENSOR FOR DOWNHOLE MEASUREMENT WHILE DRILLING

BOUNDARY TRACKING CONTROL MODULE FOR ROTARY STEERABLE SYSTEMS

BOUNDARY TRACKING CONTROL MODULE FOR ROTARY STEERABLE SYSTEMS

Modular Resistivity Sensor for Downhole Measurement While Drilling

Modular Resistivity Sensor for Downhole Measurement While Drilling

APPARATUS AND METHODS FOR COMMUNICATING DOWNHOLE DATA

MODULAR RESISTIVITY SENSOR FOR DOWNHOLE MEASUREMENT WHILE DRILLING

DOWNHOLE CLOSED-LOOP GEOSTEERING METHODOLOGY

Drilling System for Making LWD Measurements Ahead of the Bit

IN-SITU FORMATION STRENGTH TESTING WITH CORING

IN-SITU FORMATION STRENGTH TESTING WITH FORMATION SAMPLING

IN-SITU FORMATION STRENGTH TESTING

HIGH RESOLUTION CAPACITANCE HIGH CONDUCTIVITY FLUID SENSOR

Variable positioning deep cutting rotary coring tool with expandabl...

Formation testing and sampling tool including a coring device

Vacuum insulated dewar flask

Variable reluctance position sensor and method for determining a po...

Rotary coring device and method for acquiring a sidewall core from...

Side entry leak protection for downhole tools

Self cleaning coring bit

Side entry leak protection for sondes

Method and apparatus for a quadrupole transmitter for directionally...

Method and apparatus for a quadrupole transmitter for directionally...

Flexible joint for well logging instruments