ClassID:

135543

E21B36/00 - CPC Classification

Classification description:

Heating, cooling, insulating arrangements for boreholes or wells, e.g. for use in permafrost zones

Sub-classes:
Recent Application in this class:
#1
20260092505
2026-04-02

SYSTEM AND METHOD FOR GEOTHERMAL WELL INSTALLATION

#2
20260075761
2026-03-12

GROUND-SOURCE THERMAL SYSTEM FOR REJECTING DATA CENTER WASTE HEAT TO A FACILITY

#3
20260042950
2026-02-12

THERMITE COMPOSITION FOR A PROCESS OF PLUGGING AND ABANDONING A PETROLEUM WELL AND PROCESS OF PLUGGING AND ABANDONING A PETROLEUM WELL USING SAID THERMITE COMPOSITION

#4
20250358960
2025-11-20

GROUND-SOURCE THERMAL SYSTEM FOR REJECTING DATA CENTER WASTE HEAT TO A FACILITY

#5
20250333639
2025-10-30

MATERIAL AND METHOD FOR FLOW DIVERSION IN PROPPANT FRACTURING

#6
20250327381
2025-10-23

THERMALLY TRIGGERED CONFORMABLE POLYMERIC SCREEN

#7
20250264446
2025-08-21

DESIGNS FOR ENHANCED RELIABILITY AND CALIBRATION OF LANDFILL GAS MEASUREMENT AND CONTROL DEVICES

#8
20250243731
2025-07-31

METHOD FOR DOWNHOLE SEQUESTRATION OF CARBON DIOXIDE IN THE FORM OF GAS HYDRATE

#9
20250059856
2025-02-20

TECHNIQUES FOR PROVIDING A CARBON DIOXIDE LIQUID INJECTION SYSTEM

#10
20240429409
2024-12-26

SYSTEM, METHOD, AND COMPOSITION FOR GEOTHERMAL HEAT HARVEST

#11
20240426194
2024-12-26

Fugitive Gas Remediation System

#12
20240410256
2024-12-12

EFFICIENT SURFACE AND DOWNHOLE HEATING OF INJECTED CARBON DIOXIDE

#13
20240401421
2024-12-05

Lost circulation eutectoid alloy downhole deployment tool

#14
20240368947
2024-11-07

Methods for installing risers in a fluid injection system

#15
20240309856
2024-09-19

SYSTEMS FOR GENERATING GEOTHERMAL POWER IN AN ORGANIC RANKINE CYCLE OPERATION DURING HYDROCARBON PRODUCTION BASED ON WORKING FLUID TEMPERATURE

#16
20240254973
2024-08-01

Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on wellhead fluid temperature

#17
20240247585
2024-07-25

Calorimetric Control Of Downhole Tools

#18
20240228400
2024-07-11

CHEMICAL HEAT SOURCES FOR USE IN DOWN-HOLE OPERATIONS

#19
20240218762
2024-07-04

METAL SEAL FOR LINER DRILLING

#20
20240209716
2024-06-27

Production logging spinner cleaning

#21
20240191703
2024-06-13

Systems and methods for generation of electrical power at a drilling rig

#22
20240167990
2024-05-23

Enhanced reliability and calibration of landfill gas measurement and control devices

#23
20240159225
2024-05-16

Modular mobile heat generation unit for generation of geothermal power in organic rankine cycle operations

#24
20240159224
2024-05-16

Systems and methods for generation of electrical power at a drilling rig

#25
20240159144
2024-05-16

Calorimetric Control Of Downhole Tools

#26
20240159117
2024-05-16

Fluid injection system and related methods

#27
20240102358
2024-03-28

Controlling a wellbore pressure

#28
20240060385
2024-02-22

AN EXPANDABLE EUTECTIC ALLOY BASED DOWNHOLE TOOL AND METHODS OF DEPLOYING SUCH

#29
20230358113
2023-11-09

Down-hole chemical heater and methods of operating such

#30
20230332582
2023-10-19

Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on wellhead fluid temperature

#31
20230324353
2023-10-12

Designs for enhanced reliability and calibration of landfill gas measurement and control devices

#32
20230265745
2023-08-24

SAND SCREEN ASSEMBLIES FOR A SUBTERRANEAN WELLBORE

#33
20230265741
2023-08-24

DOWNHOLE HEATING TOOLS WITH INCREASED HEATING CAPACITY AND ASSOCIATED TOOLS AND METHODS

#34
20230228259
2023-07-20

Systems and methods for generation of electrical power at a drilling rig

#35
20230167811
2023-06-01

Modular mobile heat generation unit for generation of geothermal power in organic Rankine cycle operations

#36
20230167810
2023-06-01

Systems and methods for generation of electrical power at a drilling rig

#37
20230160374
2023-05-25

Systems and methods for generation of electrical power at a drilling rig

#38
20230143383
2023-05-11

Downhole assembly and annular barrier with downhole assembly

#39
20230142855
2023-05-11

Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on wellhead fluid temperature

#40
20230103962
2023-04-06

Running tool for a downhole aparatus for patching a wall of conduit and a method of patching a conduit

#41
20230017319
2023-01-19

Systems and methods for generation of electrical power at a drilling rig

#42
20230003200
2023-01-05

Modular mobile heat generation unit for generation of geothermal power in organic Rankine cycle operations

#43
20220412185
2022-12-29

PandA setting with exothermic material

#44
20220403711
2022-12-22

Bore sealing method and apparatus

#45
20220403708
2022-12-22

PROCESS HEATER ANTI-SETTLING SYSTEMS AND METHODS

#46
20220364440
2022-11-17

Water Processing System and Method

#47
20220364439
2022-11-17

Heating a formation of the earth while drilling a wellbore

#48
20220316456
2022-10-06

Modular mobile heat generation unit for generation of geothermal power in organic Rankine cycle operations

#49
20220316455
2022-10-06

Systems and methods for generation of electrical power at a drilling rig

#50
20220316454
2022-10-06

Systems and methods for generation of electrical power at a drilling rig

#51
20220316453
2022-10-06

Systems and methods for generation of electrical power at a drilling rig

#52
20220316452
2022-10-06

Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on working fluid temperature

#53
20220316450
2022-10-06

Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on wellhead fluid temperature

#54
20220298891
2022-09-22

Natural gas hydrate exploitation experimental device and method for full-sized production wells

#55
20220268489
2022-08-25

Geothermal system and method

#56
20220251929
2022-08-11

Metal seal for liner drilling

#57
20220090584
2022-03-24

Geothermal well, method of establishing thereof and method for geothermal energy production

#58
20220090472
2022-03-24

Subsea field architecture

#59
20220090463
2022-03-24

Downhole method and apparatus

#60
20220082012
2022-03-17

Communication systems and methods

#61
20210396430
2021-12-23

System, method, and composition for geothermal heat harvest

#62
20210372977
2021-12-02

Designs for enhanced reliability and calibration of landfill gas measurement and control devices

#63
20210348482
2021-11-11

Resource collection system

#64
20210324697
2021-10-21

Thermal apparatus and associated methods

#65
20210293115
2021-09-23

Fugitive gas remediation system

#66
20210293097
2021-09-23

Assembly for supporting cables in deployed tubing

#67
20210246758
2021-08-12

Releasable alloy system and method for well management

#68
20210246751
2021-08-12

Patch for joining downhole ends of pipes

#69
20210238468
2021-08-05

Stabilization and reduction of TCT of divalent iodide-containing brines

#70
20210172279
2021-06-10

Repairable seal assemblies for oil and gas applications

#71
20210164321
2021-06-03

Downhole tool deployment assembly with improved heater removability and methods of employing such

#72
20210108488
2021-04-15

Apparatus, method, and program for estimating a state of a natural resource to be extracted

#73
20210087904
2021-03-25

Nano-thermite well plug

#74
20200399991
2020-12-24

Thermal activation of liner hanger for elastomer-less completion

#75
20200386088
2020-12-10

SYSTEM AND METHOD FOR COLD CRACKING

#76
20200370987
2020-11-26

Hydrostatic Pressure Test Method and Apparatus

#77
20200366274
2020-11-19

P and A setting with exothermic material

#78
20200347696
2020-11-05

Combined well plug/chemical heater assemblies for use in down-hole operations and associated heater cartridges

#79
20200332620
2020-10-22

Expandable eutectic alloy based downhole tool and methods of deploying such

#80
20200284112
2020-09-10

System for configuring subterranean components

#81
20200263514
2020-08-20

Autonomous annular pressure control assembly for perforation event

#82
20200255719
2020-08-13

Downhole fluid for removing scales and methods thereof

#83
20200199974
2020-06-25

Horizontal directional drill rig heating system

#84
20200182019
2020-06-11

Process to produce hydrogen from underground geothermal reservoirs

#85
20200173250
2020-06-04

A DOWNHOLE TOOL DEPLOYMENT ASSEMBLY WITH IMPROVED HEATER REMOVABILITY AND METHODS OF EMPLOYING SUCH

#86
20200109328
2020-04-09

Process for removal of hydrogen sulfide in downhole oilfield application

#87
20200048527
2020-02-13

In-situ generation of glass-like materials inside subterranean formation

#88
20200011150
2020-01-09

Releasable alloy system and method for well management

#89
20190368305
2019-12-05

GASEOUS SEAL INJECTION IN A WELLBORE

#90
20190316460
2019-10-17

Thermal barrier for downhole flasked electronics

#91
20190277116
2019-09-12

Subsea Field Architecture

#92
20190271228
2019-09-05

System and method of extracting and collecting water from a regolith

#93
20190249524
2019-08-15

Methods for hanging liner from casing and articles derived therefrom

#94
20190242200
2019-08-08

Cable-based heater and method of assembly

#95
20190186230
2019-06-20

Downhole operations relating to open hole gravel packs and tools for use therein

#96
20190144355
2019-05-16

Chemical heat sources for use in down-hole operations

#97
20190137094
2019-05-09

Water processing system and method

#98
20190127629
2019-05-02

Self-breakable treatment fluids for use in subterranean formation operations

#99
20190119556
2019-04-25

Stabilization and reduction of TCT of divalent iodide-containing brines

#100
20190085659
2019-03-21

Down-hole chemical heater and methods of operating such

#101
20190071950
2019-03-07

Method and apparatus for use in well abandonment

#102
20190049331
2019-02-14

Hydrostatic pressure test method and apparatus

#103
20190048697
2019-02-14

Formation fracturing using heat treatment

#104
20180371888
2018-12-27

Subsea processing of well fluids

#105
20180362827
2018-12-20

In-situ generation of glass-like materials inside subterranean formation

#106
20180327886
2018-11-15

Mixer for producing and solidifying an alloy in a subterranean reservoir

#107
20180313193
2018-11-01

Metal seal for liner drilling

#108
20180274356
2018-09-27

Downhole plug and abandonment system

#109
20180272467
2018-09-27

Creating radial slots in a subterranean formation

#110
20180171210
2018-06-21

Process for removal of hydrogen sulfide in downhole oilfield applications

#111
20180094504
2018-04-05

Nano-thermite well plug

#112
20180087353
2018-03-29

Non-detonable shaped charge and activation

#113
20180072938
2018-03-15

DUCTILE CEMENTING MATERIALS AND THE USE THEREOF IN HIGH STRESS CEMENTING APPLICATIONS

#114
20170336010
2017-11-23

Method for managing the heating of fluids flowing through a network of submarine pipelines

#115
20170328174
2017-11-16

System to heat water for hydraulic fracturing

#116
20170306717
2017-10-26

Method and apparatus for use in well abandonment

#117
20170254787
2017-09-07

Designs for enhanced reliability and calibration of landfill gas measurement and control devices

#118
20170254196
2017-09-07

Designs for enhanced reliability and calibration of landfill gas measurement and control devices

#119
20170247983
2017-08-31

METHODS FOR MITIGATING ANNULAR PRESSURE BUILDUP IN A WELLBORE USING MATERIALS HAVING A NEGATIVE COEFFICIENT OF THERMAL EXPANSION

#120
20170247971
2017-08-31

Downhole sealing tool

#121
20170198196
2017-07-13

METHODS FOR CONTROLLING SOURING IN ENGINEERED SYSTEMS

#122
20170159146
2017-06-08

Tubular strengthening and patterning method for enhanced heat transfer

#123
20170051589
2017-02-23

Production riser with a gas lift facility

#124
20170051569
2017-02-23

Combustor for heating of airflow on a drill rig

#125
20170044871
2017-02-16

Hot water recycle for paraffin cleanout

#126
20170044846
2017-02-16

Surface Heating System for Tubing or Piping

#127
20170037711
2017-02-09

Methods for hanging liner from casing and articles derived therefrom

#128
20170016304
2017-01-19

Well barrier method and apparatus

#129
20160369597
2016-12-22

Centralizing and protective adapter for downhole torch and method of use

#130
20160341020
2016-11-24

Formation fracturing using heat treatment

#131
20160341005
2016-11-24

Formation swelling control using heat treatment

#132
20160340992
2016-11-24

System and methodology for coupling tubing

#133
20160334298
2016-11-17

Hydrostatic pressure test method and apparatus

#134
20160290088
2016-10-06

Cooling of rotating control device

#135
20160281469
2016-09-29

Ice Preventing System and Method for a Gas Well

#136
20160251940
2016-09-01

High power laser flow assurance systems, tools and methods

#137
20160245059
2016-08-25

Method of heating a hydrocarbon resource including slidably positioning an RF transmission line and related apparatus

#138
20160222274
2016-08-04

ADDITIVES FOR CONTROLLING LOST CIRCULATION AND METHODS OF MAKING AND USING SAME

#139
20160167168
2016-06-16

Tool and method for removing gas hydrates from the surface of subsea oil and gas exploration and production equipment through laser radiation

#140
20160160623
2016-06-09

Apparatus for hydrocarbon resource recovery including a double-wall structure and related methods

#141
20160160622
2016-06-09

Hydrocarbon resource heating system including choke fluid dispenser and related methods

#142
20160090812
2016-03-31

Deployment of expandable graphite

#143
20160084052
2016-03-24

System, apparatus and method for producing a well

#144
20160053991
2016-02-25

Dual fuel burner

#145
20160053609
2016-02-25

Leak detection in circulated fluid systems for heating subsurface formations

#146
20160053581
2016-02-25

Wellhead gas separator system

#147
20160053580
2016-02-25

Wellhead gas heater

#148
20160024887
2016-01-28

System for controlling temperature of subsea equipment

#149
20150361760
2015-12-17

Materials with nanomaterials for well operations

#150
20150345275
2015-12-03

Subsea processing of well fluids

#151
20150300130
2015-10-22

Assembly and method for subsea hydrocarbon gas recovery

#152
20150285032
2015-10-08

METHODS AND APPARATUS FOR STORAGE AND RECOVERY OF HYDROCARBON FLUIDS

#153
20150267518
2015-09-24

Isolation packer with automatically closing alternate path passages

#154
20150267487
2015-09-24

Method for assembly of well heaters

#155
20150267486
2015-09-24

Facility for assembly of well heaters

#156
20150267485
2015-09-24

Injection of heating cables with a coiled tubing injector

#157
20150267483
2015-09-24

Cable support system and method

#158
20150252660
2015-09-10

FIBER AGGLOMERATION SYSTEM AND METHOD

#159
20150252653
2015-09-10

SYSTEM TO ENABLE GEOTHERMAL FIELD INTERACTION WITH EXISTING HVAC SYSTEMS, METHOD TO ENABLE GEOTHERMAL FIELD INTERACTION WITH EXISTING HVAC SYSTEM

#160
20150247376
2015-09-03

Corrodible wellbore plugs and systems and methods including the same

#161
20150233224
2015-08-20

SYSTEM AND METHOD FOR ENHANCING OIL RECOVERY FROM A SUBTERRANEAN RESERVOIR

#162
20150233211
2015-08-20

Cable-based well heater

#163
20150211335
2015-07-30

THERMAL REGULATING WELL COMPLETION DEVICES AND METHODS

#164
20150192004
2015-07-09

Method for enhanced hydrocarbon recovery using in-situ radio frequency heating of an underground formation with broadband antenna

#165
20150192002
2015-07-09

METHOD OF RECOVERING HYDROCARBONS FROM CARBONATE AND SHALE FORMATIONS

#166
20150184490
2015-07-02

Method and apparatus for removing hydrate plugs

#167
20150167444
2015-06-18

Method and system for recovering and processing hydrocarbon mixture

#168
20150166877
2015-06-18

Process of removal of hydrogen sulfide in downhole oilfield applications

#169
20150159911
2015-06-11

Multi-channel conduit and method for heating a fluid

#170
20150159470
2015-06-11

Mine area distributed combined cooling heating power energy system for extracting gas for coal mine

#171
20150136401
2015-05-21

SYSTEM AND METHOD FOR COLD CRACKING

#172
20150129159
2015-05-14

Apparatus and method for the analysis of gases, in particular for the analysis of natural gas extracted as shale gas

#173
20150114628
2015-04-30

Downhole Pressure/Thermal Perturbation Scanning Using High Resolution Distributed Temperature Sensing

#174
20150101814
2015-04-16

METHOD AND SYSTEM FOR HEATING A BED OF ROCKS CONTAINING SULFUR-RICH TYPE IIS KEROGEN

#175
20150101813
2015-04-16

Methods for hanging liner from casing and articles derived therefrom

#176
20150090459
2015-04-02

Apparatus and Methods for Clearing a Subsea Tubular

#177
20150090437
2015-04-02

System to heat water for hydraulic fracturing

#178
20150068740
2015-03-12

Coaxial ground heat exchanger and method for installing said ground heat exchanger in the ground

#179
20150064594
2015-03-05

Heater and supporting structure thereof

#180
20150060066
2015-03-05

Method of preparing polymer-water emulsion and further settling a sticky polymer material in downhole environment

#181
20150053406
2015-02-26

Pre-tensing sections of concentric tubulars

#182
20150047833
2015-02-19

Thermally assisted gravity drainage (TAGD)

#183
20150041128
2015-02-12

Methods and systems for downhole thermal energy for vertical wellbores

#184
20150027721
2015-01-29

Method and apparatus for recovery of heat from throat of acting land volcano

#185
20150013985
2015-01-15

Apparatus for recovering hydrocarbon resources including ferrofluid source and related methods

#186
20150013979
2015-01-15

Hydrocarbon recovery system using RF energy to heat steam within an injector and associated methods

#187
20150007981
2015-01-08

Processing and transport of stranded gas to conserve resources and reduce emissions

#188
20150000899
2015-01-01

Downhole cooling with electrocaloric effect

#189
20140374102
2014-12-25

Enzyme Assisted Well Treatment

#190
20140367167
2014-12-18

Thermal component temperature management system and method

#191
20140367166
2014-12-18

Thermal component temperature management system and method

#192
20140367165
2014-12-18

Thermal component temperature management system and method

#193
20140352973
2014-12-04

METHOD AND SYSTEM FOR STIMULATING FLUID FLOW IN AN UPWARDLY ORIENTED OILFIELD TUBULAR

#194
20140352957
2014-12-04

Oil shale exploitation method

#195
20140332201
2014-11-13

Apparatus and methods for recovery of hydrocarbons

#196
20140318813
2014-10-30

Temporary support for electric submersible pump assembly

#197
20140298899
2014-10-09

Drilling fluid sampling system and sampling heat exchanger

#198
20140284045
2014-09-25

System and apparatus for geothermal pyrolysis

#199
20140262279
2014-09-18

Modular system for extracting hydrocarbons from subterranean volumes and associated methods

#200
20140262278
2014-09-18

Method and Apparatus for Extracting Frozen Volatiles from Subsurface Regolith

#201
20140224491
2014-08-14

System and process for recovering hydrocarbons using a supercritical fluid

#202
20140216726
2014-08-07

Apparatus for heating a hydrocarbon resource in a subterranean formation including a fluid balun and related methods

#203
20140216725
2014-08-07

Apparatus for heating a hydrocarbon resource in a subterranean formation providing an adjustable liquid coolant and related methods

#204
20140216714
2014-08-07

Transmission line segment coupler defining fluid passage ways and related methods

#205
20140190687
2014-07-10

Leak detection in circulated fluid systems for heating subsurface formations

#206
20140144612
2014-05-29

BOP heating methods and systems and heat exchange units

#207
20140131032
2014-05-15

Method for producing hydrocarbon resources with RF and conductive heating and related apparatuses

#208
20140131028
2014-05-15

Reservoir Tube Heater

#209
20140124162
2014-05-08

Mobile Heat Dispersion Apparatus and Process

#210
20140034318
2014-02-06

ELECTROMAGNETIC HEATING OF CNT AND CNT BASED DERIVATIVES DISPERSIONS AND SOLUTIONS OR CNT AND CNT BASED DERIVATIVES CONTAINING COATINGS OR METALS FOR OIL AND GAS EQUIPMENT FOR REMEDIATION OR PREVENTION OF SOLIDS FORMATION IN WELLBORES

#211
20140014325
2014-01-16

Method for recovering a hydrocarbon resource from a subterranean formation including additional upgrading at the wellhead and related apparatus

#212
20140000898
2014-01-02

Method of cooling downhole element using nanoenhanced downhole fluid

#213
20130312972
2013-11-28

System to heat water for hydraulic fracturing

#214
20130309888
2013-11-21

Metal encased cable power delivery system for downhole pumping or heating systems

#215
20130284442
2013-10-31

Heat treatment for removal of bauschinger effect or to accelerate cement curing

#216
20130199786
2013-08-08

System for providing uniform heating to subterranean formation for recovery of mineral deposits

#217
20130199783
2013-08-08

Arrangement, device and method for resolving hydrate plugs

#218
20130199615
2013-08-08

System for controlling temperature of subsea equipment

#219
20130192833
2013-08-01

Opening or closing a fluid flow path using a material that expands or contracts via a change in temperature

#220
20130140018
2013-06-06

Heater cable for tubing in shale type hydrocarbon production wells exposed to high pressures and wells with annular space flooded eventually or permanently or a combination of both

#221
20130126245
2013-05-23

Annular disposed stirling heat exchanger

#222
20130104596
2013-05-02

Self-priming pump

#223
20130087335
2013-04-11

Method and apparatus for use in well abandonment

#224
20130087334
2013-04-11

DOWNHOLE DEVICE ACTUATOR AND METHOD

#225
20130081816
2013-04-04

Thermothickener polymer and surfactant composition and methods of employing the composition

#226
20130068454
2013-03-21

System, Apparatus and Method For Producing A Well

#227
20130048538
2013-02-28

SYSTEM AND METHOD FOR COLD CRACKING WITH STEAM

#228
20130043028
2013-02-21

Method of cooling downhole element using nanoenhanced downhole fluid

#229
20130014914
2013-01-17

BOP heating methods and systems and heat exchange units

#230
20130000925
2013-01-03

Apparatus and method for directionally disposing a flexible member in a pressurized conduit

#231
20120298367
2012-11-29

Earth heat transfer loop appartus

#232
20120285696
2012-11-15

Cement wiper plug with size changing feature

#233
20120220500
2012-08-30

Process for removal of hydrogen sulfide in downhole oilfield applications

#234
20120152558
2012-06-21

Heat transport dead leg

#235
20120152517
2012-06-21

Clean solar energy to enhance oil and gas location separator recovery

#236
20120111581
2012-05-10

APPARATUS AND METHOD FOR REDUCING THE RESIDUAL BENDING AND FATIGUE IN COILED TUBING

#237
20120097395
2012-04-26

Heatable material for well operations

#238
20120061086
2012-03-15

Method of preparing polymer-water emulsion and further settling a sticky polymer material in downhole environment

#239
20120048531
2012-03-01

Thermal component temperature management system and method

#240
20120037370
2012-02-16

Well completion and related methods for enhanced recovery of heavy oil

#241
20110299929
2011-12-08

Apparatus and Method for Containment of Well Fluids from a Subsea Well Fluid Leak

#242
20110259590
2011-10-27

Conduction convection reflux retorting process

#243
20110247808
2011-10-13

Leak detection in circulated fluid systems for heating subsurface formations

#244
20110170844
2011-07-14

Steam generator

#245
20110139436
2011-06-16

TEMPERATURE CONDITIONED STUFFING BOX WITH FLUID CONTAINMENT

#246
20110079402
2011-04-07

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