ClassID:

135565

E21B41/0035 - CPC Classification

Classification description:

Equipment or details not covered by groups  -  Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches

Sub-classes:
Recent Application in this class:
#1
20260078638
2026-03-19

WHIPSTOCK FOR USE WITH A MILL BIT INCLUDING VARYING MATERIAL REMOVAL RATES

#2
20260049531
2026-02-19

LATCH COLLET INCLUDING UNIQUE TORQUE BUTTONS

#3
20260009313
2026-01-08

JUNCTION ORIENTING INTERFACE FOR A MULTILATERAL WELL

#4
20260009312
2026-01-08

DRILLING OF MULTILATERAL WELLS IN RESERVOIRS

#5
20260009301
2026-01-08

LATCH COUPLING INCLUDING UNIQUE AXIAL ALIGNMENT SLOTS

#6
20250376902
2025-12-11

LATCH COLLET INCLUDING UNIQUE COLLET PROP BUTTONS

#7
20250369313
2025-12-04

REDUCED-TRIP STIMULATION AND DEFLECTOR REMOVAL TOOL

#8
20250361797
2025-11-27

WHIPSTOCK WITH DETACHABLE WHIPFACE AND SEALING CAPABILITIES FOR MULTILATERAL SYSTEMS

#9
20250334026
2025-10-30

SYSTEMS AND METHODS FOR MULTILATERAL COMPLETIONS

#10
20250327390
2025-10-23

Gravity Assisted Reservoir Drainage Systems and Methods

#11
20250270883
2025-08-28

TWO-PART DRILLING AND RUNNING TOOL

#12
20250243714
2025-07-31

DOWNHOLE TOOL EMPLOYING A WHIPSTOCK ASSEMBLY, PACKER ASSEMBLY AND A REMOTE OPEN/CLOSE VALVE

#13
20250243713
2025-07-31

DOWNHOLE TOOL EMPLOYING A WHIPSTOCK ASSEMBLY, PACKER ASSEMBLY AND LOWER COMPLETION

#14
20250243712
2025-07-31

DOWNHOLE TOOL EMPLOYING A WHIPSTOCK ASSEMBLY, PACKER ASSEMBLY AND DOWNHOLE POWER UNIT

#15
20250237198
2025-07-24

Systems for Generating Energy from Geothermal Sources and Methods of Operating and Constructing Same

#16
20250188912
2025-06-12

Systems for Generating Energy from Geothermal Sources and Methods of Operating and Constructing Same

#17
20250154860
2025-05-15

DOWNHOLE PROCESSING AND DISPOSAL OF PRODUCED SOLIDS FROM A WELL

#18
20250129711
2025-04-24

Quantifying zonal flow in multi-lateral wells via taggants of fluids

#19
20250117810
2025-04-10

AUTOMATING THE MONITORING OF A LARGE POPULATION OF FIELD SYSTEMS

#20
20250109675
2025-04-03

DESTABLIZING TURBULENCE IN DOWNHOLE FLUID AND SOLID SEPARATION IN A WELL

#21
20250109662
2025-04-03

TWO PART MILLING AND RUNNING TOOL EMPLOYING A BODY LOCK RING

#22
20250109661
2025-04-03

MULTILATERAL JUNCTION ASSEMBLY EMPLOYING DEGRADABLE MATERIAL

#23
20250109660
2025-04-03

MULTILATERAL LATERAL BORE COMPLETION EMPLOYING DEGRADABLE MATERIAL

#24
20250109659
2025-04-03

MULTILATERAL DOWNHOLE ASSEMBLY EMPLOYING DEGRADABLE MATERIAL TO COUPLE ITS MULTILATERAL DEFLECTOR ASSEMBLY AND RUNNING TOOL

#25
20250109658
2025-04-03

MULTILATERAL MAINBORE COMPLETION EMPLOYING AN EXPANDABLE METAL ANCHOR

#26
20250109657
2025-04-03

MULTILATERAL LATERAL BORE COMPLETION EMPLOYING AN EXPANDABLE METAL ANCHOR ON THE EXPANSION JOINT

#27
20250109656
2025-04-03

MULTILATERAL LATERAL BORE COMPLETION EMPLOYING AN EXPANDABLE METAL ANCHOR

#28
20250109655
2025-04-03

MULTILATERAL JUNCTION SLEEVE ASSEMBLY EMPLOYING AN EXPANDABLE METAL ANCHOR

#29
20250109649
2025-04-03

MULTILATERAL FLUID LOSS DEVICE EMPLOYING DEGRADABLE MATERIAL

#30
20250109647
2025-04-03

MULTILATERAL WHIPSTOCK ASSEMBLY EMPLOYING DEGRADABLE MATERIAL

#31
20250109635
2025-04-03

MULTILATERAL MILLING ASSEMBLY EMPLOYING DEGRADABLE MATERIAL

#32
20250101848
2025-03-27

FLOW DIVERTER AND SEPARATOR FOR DOWNHOLE SEPARATION IN A MULTI-BORE WELL

#33
20250101817
2025-03-27

LEVELING SYSTEM FOR FLOW DIVERTER AND SEPARATOR FOR DOWNHOLE SEPARATION IN A MULTILATERAL WELL

#34
20250092742
2025-03-20

DOWNHOLE ROTARY SLIP RING JOINT TO ALLOW ROTATION OF ASSEMBLIES WITH THREE OR MORE CONTROL LINES

#35
20250075947
2025-03-06

Method of Controlling Tensile-Splitting and Hydro-Shearing Parameters During Completion of Enhanced Geothermal System Wells

#36
20250075946
2025-03-06

Method of Controlling Tensile-Splitting and Hydro-Shearing Parameters During Completion of Enhanced Geothermal System Wells

#37
20250075593
2025-03-06

Method of Controlling Tensile-Splitting and Hydro-Shearing Parameters During Completion of Enhanced Geothermal System Wells

#38
20250067160
2025-02-27

DOWNHOLE FLUID SEPARATOR IN RE-ENTRY MULTILATERAL WELL

#39
20250067158
2025-02-27

DENSITY BASED DOWNHOLE FLUID SEPARATOR THAT CREATES ARTIFICIAL GRAVITY

#40
20250067151
2025-02-27

LATERAL LOCATING ASSEMBLY HAVING ONE OR MORE PRODUCTION PORTS

#41
20250067150
2025-02-27

DOWNHOLE FLUID SEPARATOR DESIGN IN MULTILATERAL WELL

#42
20250043674
2025-02-06

SYSTEM AND METHOD FOR DRILLING PERFORMANCE BENCHMARKING AND DRILLING ADJUSTMENT

#43
20250034958
2025-01-30

DUAL TUBING LOCATING ADAPTOR FOR A TUBING STRING

#44
20240410292
2024-12-12

Systems for generating energy from geothermal sources and methods of operating and constructing same

#45
20240410254
2024-12-12

SYSTEMS AND METHODS FOR MULTILATERAL COMPLETIONS

#46
20240376804
2024-11-14

Completing a wellbore

#47
20240376784
2024-11-14

WHIPSTOCK FOR USE WITH A MILL BIT INCLUDING VARYING MATERIAL REMOVAL RATES

#48
20240352837
2024-10-24

SIDE POCKET MANDREL WITH RETRIEVABLE REDUNDANT ELECTRIC GAS LIFT VALVE

#49
20240309731
2024-09-19

WELL SYSTEM INCLUDING A LOWER COMPLETION STRING HAVING A PLURALITY OF SENSORS DISTRIBUTED ALONG AT LEAST A PORTION THEREOF

#50
20240309708
2024-09-19

ORIENTING ENERGY TRANSFER MECHANISM CONNECTIONS HIGH SIDE IN A WELL

#51
20240301790
2024-09-12

Quantifying zonal flow in multi-lateral wells via taggants of fluids

#52
20240295165
2024-09-05

PRESSURE INDICATION ALIGNMENT USING AN ORIENTATION PORT AND AN ORIENTATION SLOT IN A WEIGHTED SWIVEL

#53
20240287874
2024-08-29

PRESSURE INDICATION ALIGNMENT USING AN ORIENTATION PORT AND TWO RADIAL ORIENTATION SLOTS

#54
20240263549
2024-08-08

Gravity Assisted Reservoir Drainage Systems and Methods

#55
20240254836
2024-08-01

APPARATUS FOR FORMING LATERAL BORES IN SUBSURFACE ROCK FORMATIONS,WELLBORE STRING AND METHODS

#56
20240229561
2024-07-11

MULTILATERAL TECHNOLOGIES FOR WELLBORES

#57
20240191618
2024-06-13

Method for creating multiple downhole smart docking stations for robot battery recharging and data transferring

#58
20240183231
2024-06-06

Casing shoe assembly

#59
20240167361
2024-05-23

Systems for Inter-Fracture Flooding of Wellbores and Methods of Using the Same

#60
20240141745
2024-05-02

ADJUSTABLE WHIPSTOCK ISOLATION MECHANISM

#61
20240117713
2024-04-11

TWO-PART DRILLING AND RUNNING TOOL INCLUDING A ONE WAY MECHANISM

#62
20240117712
2024-04-11

LATCH COLLET INCLUDING UNIQUE TORQUE BUTTONS

#63
20240117701
2024-04-11

DOWNHOLE TOOL INCLUDING A PACKER ASSEMBLY

#64
20240117685
2024-04-11

LATCH COUPLING INCLUDING UNIQUE AXIAL ALIGNMENT SLOTS

#65
20240076959
2024-03-07

Multilateral junction including a toothed coupling

#66
20230407727
2023-12-21

Deep gas lift

#67
20230304382
2023-09-28

MULTILATERAL JUNCTION HAVING EXPANDING METAL SEALED AND ANCHORED JOINTS

#68
20230287759
2023-09-14

Methods and systems for cemented open hole intelligent completions in multilateral wells requiring full isolation of gas cap, fractures and / or water bearing boundaries

#69
20230265719
2023-08-24

Two-part drilling and running tool

#70
20230235647
2023-07-27

MULTILATERAL JUNCTION WITH TWISTED MAINBORE AND LATERAL BORE LEGS

#71
20230228172
2023-07-20

Method for positioning a multilateral junction without the need for a deflector assembly

#72
20230228171
2023-07-20

Lateral locating assembly having one or more production ports

#73
20230228170
2023-07-20

WHIPSTOCK WITH DETACHABLE WHIPFACE AND SEALING CAPABILITIES FOR MULTILATERAL SYSTEMS

#74
20230212939
2023-07-06

Borehole geometry sensor and running tool assemblies and methods to deploy a completion component in a lateral bore

#75
20230184061
2023-06-15

Machine Learning with Physics-based Models to Predict Multilateral Well Performance

#76
20230175331
2023-06-08

Accessing lateral wellbores in a multilateral well

#77
20230146814
2023-05-11

Debris resistant alignment system and method

#78
20230066633
2023-03-02

Multilateral intelligent well completion methodology and system

#79
20230052919
2023-02-16

MULTIDIMENSIONAL FULL FIELD DEVELOPMENT OPTIMIZATION GUIDED BY VARIABILITY IN WELL PLACEMENT AND CONFIGURATION

#80
20230024404
2023-01-26

Multilateral well access systems and related methods of performing wellbore interventions

#81
20230015654
2023-01-19

Whipstock for use with a mill bit including varying material removal rates

#82
20230008467
2023-01-12

Mill bit including varying material removal rates

#83
20230003107
2023-01-05

Pressure indication alignment using an orientation port and an orientation slot in a weighted swivel

#84
20230003104
2023-01-05

Pressure indication alignment using an orientation port and two radial orientation slots

#85
20220412192
2022-12-29

Guide sub for multilateral junction

#86
20220389802
2022-12-08

Spacer window sleeve

#87
20220389795
2022-12-08

WHIPSTOCK WITH ONE OR MORE HIGH-EXPANSION MEMBERS FOR PASSING THROUGH SMALL RESTRICTIONS

#88
20220381117
2022-12-01

Entering a lateral wellbore in a multi-lateral wellbore with a guide tool

#89
20220341293
2022-10-27

Multilateral junction including articulating structure

#90
20220333463
2022-10-20

Downhole rotary slip ring joint to allow rotation of assemblies with three or more control lines

#91
20220333462
2022-10-20

Telescoping transition joint for the protection of control lines and other tools and components

#92
20220333461
2022-10-20

Entering a lateral branch of a wellbore with an assembly

#93
20220333447
2022-10-20

Downhole rotary slip ring joint to allow rotation of assemblies with multiple control lines

#94
20220333445
2022-10-20

DOWNHOLE ROTARY SLIP RING JOINT TO ALLOW ROTATION OF ASSEMBLIES WITH ELECTRICAL AND FIBER OPTIC CONTROL LINES

#95
20220298900
2022-09-22

Gravity assisted reservoir drainage systems and methods

#96
20220275709
2022-09-01

Guide sub for multilateral junction

#97
20220268128
2022-08-25

Method and apparatus for making a lateral well

#98
20220261513
2022-08-18

Modeling fractured wells

#99
20220259972
2022-08-18

Systems and methods to determine the productivity index of individual laterals under commingled flow

#100
20220259949
2022-08-18

Lateral locating assembly for lateral intervention

#101
20220205341
2022-06-30

Multilateral junction having expanding metal sealed and anchored joints

#102
20220195858
2022-06-23

METHOD INCLUDING DOWNHOLE FLOW CONTROL IN SOLUTION MINING

#103
20220186562
2022-06-16

Whipstock with hinged taperface

#104
20220178211
2022-06-09

Electrical transmission in a well using wire mesh

#105
20220170346
2022-06-02

Travel joint for tubular well components

#106
20220170345
2022-06-02

Collapsible bullnose assembly for multilateral well

#107
20220154570
2022-05-19

System and method for drilling performance benchmarking and drilling adjustment

#108
20220145734
2022-05-12

Automatic in-situ gas lifting using inflow control valves

#109
20220010657
2022-01-13

Simulation experimental system and method for real-time optimization and adjustment of smart oilfield injection production

#110
20210404275
2021-12-30

Hydraulic retrieving tool with drifting capabilities

#111
20210381316
2021-12-09

Laser tool configured for downhole movement

#112
20210355823
2021-11-18

Borehole gravity analysis for reservoir management

#113
20210355790
2021-11-18

Intelligent completion of a multilateral wellbore with a wired smart well in the main bore and with a wireless electronic flow control node in a lateral wellbore

#114
20210355787
2021-11-18

Adjusting the zonal allocation of an injection well with no moving parts and no intervention

#115
20210332673
2021-10-28

Expanding metal sealant for use with multilateral completion systems

#116
20210310336
2021-10-07

Concentric tubing strings and/or stacked control valves for multilateral well system control

#117
20210301622
2021-09-30

Systems for inter-fracture flooding of wellbores and methods of using the same

#118
20210277747
2021-09-09

Aggregate multi-lateral maximum reservoir contact well and system for producing multiple reservoirs through a single production string

#119
20210246763
2021-08-12

Multi-lateral well heel to toe development optimization

#120
20210238949
2021-08-05

Process for isolating a horizontal tie-in pipeline of an inactive hydrocarbon-producing well from a main pipeline

#121
20210230980
2021-07-29

Energy transfer mechanism for wellbore junction assembly

#122
20210230978
2021-07-29

Energy transfer mechanism for wellbore junction assembly

#123
20210230947
2021-07-29

Completion systems and methods to perform completion operations

#124
20210222548
2021-07-22

Energy transfer mechanism for wellbore junction assembly

#125
20210222520
2021-07-22

Energy transfer mechanism for wellbore junction assembly

#126
20210189819
2021-06-24

Coiled tubing electronically controlled multilateral access of extended reach wells

#127
20210172306
2021-06-10

Downhole tool with a releasable shroud at a downhole tip thereof

#128
20210172294
2021-06-10

METHOD FOR HIGH-PRESSURE ACCESS THROUGH A MULTILATERAL JUNCTION

#129
20210172293
2021-06-10

HIGH-PRESSURE MULTILATERAL JUNCTION WITH MAINBORE AND LATERAL ACCESS AND CONTROL

#130
20210172292
2021-06-10

Multilateral junction with twisted mainbore and lateral bore legs

#131
20210172265
2021-06-10

Unitary lateral leg with three or more openings

#132
20210156233
2021-05-27

Multilateral completion systems and methods to deploy multilateral completion systems

#133
20210156232
2021-05-27

Downhole tools, multi-lateral intervention systems and methods to deploy a tubular into a lateral borehole of a multi-lateral well

#134
20210140276
2021-05-13

Energy transfer mechanism for a junction assembly to communicate with a lateral completion assembly

#135
20210131242
2021-05-06

Reservoir stimulation comprising hydraulic fracturing through extended tunnels

#136
20210102443
2021-04-08

Inflatable deflector for reentry access into a lateral wellbore

#137
20210095550
2021-04-01

Electrical submersible pump completion in a lateral well

#138
20210062637
2021-03-04

Well completion system for dual wellbore producer and observation well

#139
20210047901
2021-02-18

Drillable window assembly for controlling the geometry of a multilateral wellbore junction

#140
20210010350
2021-01-14

Actuator for multilateral wellbore system

#141
20210010349
2021-01-14

Actuator for multilateral wellbore system

#142
20200399987
2020-12-24

System and Method for Predicting Fluid Behavior in an Unconventional Shale Play

#143
20200386078
2020-12-10

Method and Apparatus for Drilling a Multilateral Well

#144
20200378203
2020-12-03

Method and apparatus for introducing a junction assembly including a transition joint and a load transfer device

#145
20200371266
2020-11-26

Downhole ranging from multiple boreholes

#146
20200362697
2020-11-19

Automated production optimization technique for smart well completions using real-time nodal analysis including comingled production calibration

#147
20200362670
2020-11-19

Automated production optimization technique for smart well completions using real-time nodal analysis including recommending changes to downhole settings

#148
20200318435
2020-10-08

BI-MILL DEPLOYED WITH DUAL-ACTION HYDRAULICALLY OPERABLE ANCHOR AND METHODS OF OPERATION AND MANUFACTURE FOR WELLBORE DEPARTURE MILLING

#149
20200300061
2020-09-24

System and method for drilling lateral boreholes using articulated drill string components

#150
20200270989
2020-08-27

Multiple tubing-side antennas or casing-side antennas for maintaining communication in a wellbore

#151
20200270983
2020-08-27

Downhole tool for determining laterals

#152
20200270970
2020-08-27

Multilateral junction with wellbore isolation using degradable isolation components

#153
20200256129
2020-08-13

Deflector assembly and method for forming a multilateral well

#154
20200173260
2020-06-04

Multilateral junction with integral flow control

#155
20200173238
2020-06-04

Combined multilateral window and deflector and junction system

#156
20200149370
2020-05-14

Actuatable deflector for a completion sleeve in multilateral wells

#157
20200149363
2020-05-14

Multilateral multistage system and method

#158
20200141215
2020-05-07

EVALUATING FAR FIELD FRACTURE COMPLEXITY AND OPTIMIZING FRACTURE DESIGN IN MULTI-WELL PAD DEVELOPMENT

#159
20200131883
2020-04-30

Thru-tubing subsurface completion unit employing detachable anchoring seals

#160
20200131854
2020-04-30

Laser tool configured for downhole movement

#161
20200080402
2020-03-12

Support device for tubing string

#162
20200040701
2020-02-06

Thru-tubing retrievable intelligent completion system

#163
20200040700
2020-02-06

Thru-tubing retrievable intelligent completion system

#164
20200040699
2020-02-06

Thru-tubing retrievable intelligent completion system

#165
20200040698
2020-02-06

Thru-tubing retrievable subsurface completion system

#166
20200040697
2020-02-06

Thru-tubing retrievable subsurface completion system

#167
20200040696
2020-02-06

Thru-tubing retrievable subsurface completion system

#168
20200032620
2020-01-30

MULTILATERAL JUNCTION FITTING FOR INTELLIGENT COMPLETION OF WELL

#169
20200003026
2020-01-02

Multi-lateral entry tool with independent control of functions

#170
20190264544
2019-08-29

Auxiliary feeding device for flexible pipe of radial horizontal well

#171
20190257159
2019-08-22

Travel joint

#172
20190235121
2019-08-01

Systems, methods, and apparatuses for downhole lateral detection using electromagnetic sensors

#173
20190234163
2019-08-01

Hookless hanger for a multilateral wellbore

#174
20190226306
2019-07-25

Method of producing from a hydrocarbon bearing zone with laterals extending from an inclined main bore

#175
20190226282
2019-07-25

DRILLING AND STIMULATION OF SUBTERRANEAN FORMATION

#176
20190203573
2019-07-04

Multilateral well drilled with underbalanced coiled tubing and stimulated with exothermic reactants

#177
20190186222
2019-06-20

Plug deflector for isolating a wellbore of a multi-lateral wellbore system

#178
20190128109
2019-05-02

Intelligent well system

#179
20190128105
2019-05-02

Multilateral well drilled with underbalanced coiled tubing and stimulated with exothermic reactants

#180
20190120021
2019-04-25

Actuatable deflector for a completion sleeve in multilateral wells

#181
20190085662
2019-03-21

Multilateral junction with wellbore isolation

#182
20190085661
2019-03-21

One-trip multilateral tool

#183
20190078408
2019-03-14

Degradable, frangible components of downhole tools

#184
20190063187
2019-02-28

Dual bore co-mingler with multiple position inner sleeve

#185
20190003258
2019-01-03

Tool assembly and process for drilling branched or multilateral wells with whip-stock

#186
20180363401
2018-12-20

Casing exit joint with guiding profiles and methods for use

#187
20180363378
2018-12-20

Whipstock assembly with a support member

#188
20180348389
2018-12-06

Multilateral well sensing system

#189
20180347613
2018-12-06

Bolt having torque resistant shear region

#190
20180347344
2018-12-06

Methods and systems employing a conductive path with a segmentation module for decoupling power and telemetry in a well

#191
20180347326
2018-12-06

Iterative method for estimating productivity index (PI) values in maximum reservoir contact (MRC) multilateral completions

#192
20180341037
2018-11-29

Systems, methods, and apparatuses for downhole lateral detection using electromagnetic sensors

#193
20180340564
2018-11-29

Torque resistant shear bolt having flat faces

#194
20180334872
2018-11-22

Correction for drill pipe compression

#195
20180283735
2018-10-04

Hydrothermal geothermal development method of multilateral well closed circulation

#196
20180283140
2018-10-04

Junction isolation tool for fracking of wells with multiple laterals

#197
20180274317
2018-09-27

DEGRADABLE CASING JOINTS FOR USE IN SUBTERRANEAN FORMATION OPERATIONS

#198
20180274300
2018-09-27

Reduced trip well system for multilateral wells

#199
20180266192
2018-09-20

Casing string assembly with composite pre-milled window

#200
20180252075
2018-09-06

Shiftable isolation sleeve for multilateral wellbore systems

#201
20180238146
2018-08-23

Caliper steerable tool for lateral sensing and accessing

#202
20180238145
2018-08-23

Directional micro lateral drilling system

#203
20180223631
2018-08-09

Isolating a multi-lateral well with a barrier

#204
20180209232
2018-07-26

Whipstock/bottom hole assembly arrangement and method

#205
20180209224
2018-07-26

One trip treating tool for a resource exploration system and method of treating a formation

#206
20180165390
2018-06-14

Method for estimating inflow performance in a solution gas driven reservoir

#207
20180156030
2018-06-07

Thru-tubing retrievable subsurface completion system

#208
20180156013
2018-06-07

Thru-tubing retrievable intelligent completion system

#209
20180156009
2018-06-07

Thru-tubing subsurface completion unit employing detachable anchoring seals

#210
20180155991
2018-06-07

Well completion system

#211
20180119533
2018-05-03

Wellbore System With Lateral Wells

#212
20180112497
2018-04-26

Flow through treatment string for one trip multilateral treatment

#213
20180100386
2018-04-12

Control system for downhole operations

#214
20180045021
2018-02-15

One trip diverter placement, treatment and bottom hole assembly removal with diverter

#215
20180045020
2018-02-15

Junction-conveyed completion tooling and operations

#216
20180030816
2018-02-01

Multilateral well optimization and system

#217
20170362896
2017-12-21

Wellbore interactive-deflection mechanism

#218
20170328177
2017-11-16

Through tubing diverter for multi-lateral treatment without top string removal

#219
20170260834
2017-09-14

MULTILATERAL ACCESS WITH REAL-TIME DATA TRANSMISSION

#220
20170234113
2017-08-17

Completion deflector for intelligent completion of well

#221
20170218726
2017-08-03

Wellbore lateral liner placement system

#222
20170183950
2017-06-29

APPARATUSES AND METHODS FOR ENABLING MULTISTAGE HYDRAULIC FRACTURING

#223
20170152727
2017-06-01

Lateral drilling system

#224
20170145777
2017-05-25

Annular barrier completion with inductive system

#225
20170138190
2017-05-18

Method for evaluating the effectiveness of matrix acidizing in a subterranean formation

#226
20170130564
2017-05-11

Junction-conveyed completion tooling and operations

#227
20170130537
2017-05-11

Wellbore operations using a multi-tube system

#228
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2017-04-20

Multilateral junction fitting for intelligent completion of well

#229
20170067329
2017-03-09

Producing hydrocarbons from a subsurface formation

#230
20170044869
2017-02-16

Multi-stage valve actuator

#231
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2017-01-12

Cementing compositions and methods

#232
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2016-12-22

Systems, methods, and apparatuses for downhole lateral detection using electromagnetic sensors

#233
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2016-12-01

Expandable bullnose assembly for use with a wellbore deflector

#234
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2016-11-24

Multilateral junction with wellbore isolation

#235
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2016-11-24

Multilateral junction with wellbore isolation using degradable isolation components

#236
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2016-11-10

Inflow performance relationship for multilateral wells

#237
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2016-11-10

Diagnostic lateral wellbores and methods of use

#238
20160319642
2016-11-03

Three-dimensional interactive wellbore model simulation system

#239
20160312584
2016-10-27

Downhole completion system and method

#240
20160305221
2016-10-20

Permanent bypass whipstock assembly for drilling and completing a sidetrack well and preserving access to the original wellbore

#241
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2016-10-06

Deflector assembly for a lateral wellbore

#242
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2016-09-22

Multilateral junction with mechanical stiffeners

#243
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2016-09-15

Methods and systems for orienting in a wellbore

#244
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2016-09-08

Casing segment having at least one transmission crossover arrangement

#245
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2016-09-08

Multilateral production control methods and systems employing a casing segment with at least one transmission crossover arrangement

#246
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2016-09-01

Multilateral junction with mechanical stiffeners

#247
20160251909
2016-09-01

Casing window assembly

#248
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2016-08-25

Variable diameter bullnose assembly

#249
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2016-08-18

Methods and systems for orienting a tool in a wellbore

#250
20160186554
2016-06-30

Production logging multi-lateral wells

#251
20160177676
2016-06-23

Oil and gas well and field integrity protection system

#252
20160153253
2016-06-02

Expandable bullnose assembly for use with a wellbore deflector

#253
20160153252
2016-06-02

Deflector assembly for a lateral wellbore

#254
20160108682
2016-04-21

Casing window assembly

#255
20160097239
2016-04-07

Method and device for making a lateral opening out of a wellbore

#256
20160084047
2016-03-24

System and method for removing a liner overlap at a multilateral junction

#257
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2015-12-31

Lateral junction for use in a well

#258
20150369022
2015-12-24

Multi-lateral well system

#259
20150346381
2015-12-03

Downhole ranging from multiple boreholes

#260
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2015-12-03

Multilateral sand management system and method

#261
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2015-10-08

Deflector assembly for a lateral wellbore

#262
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2015-10-08

Penetrating a subterranean formation

#263
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2015-09-24

Expandable and variable-length bullnose assembly for use with a wellbore deflector assembly

#264
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2015-09-17

Alignment assembly

#265
20150233190
2015-08-20

Multilateral Y-block system

#266
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2015-08-06

Methods of using an expandable bullnose assembly with a wellbore deflector

#267
20150184474
2015-07-02

Adjustable bullnose assembly for use with a wellbore deflector assembly

#268
20150176378
2015-06-25

Screened production sleeve for multilateral junctions

#269
20150129201
2015-05-14

MULTIPURPOSING OF MULTILATERAL INFILL WELLS FOR BYPASS HYDROCARBON RECOVERY

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2015-04-02

Pulsating rotational flow for use in well operations

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2015-03-26

Rotationally-independent wellbore ranging

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2015-03-12

Multilateral junction system and method thereof

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2015-02-19

System and methodology for locating a deflector

#274
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2015-02-19

Diverting system

#275
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2015-01-29

Swelling debris barrier and methods

#276
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2015-01-29

Expandable bullnose assembly for use with a wellbore deflector

#277
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2015-01-22

High pressure large bore well conduit system

#278
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2015-01-15

System and method for creating lateral heat transfer appendages in a vertical well bore

#279
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2014-10-09

Tubular system for jet drilling

#280
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2014-10-09

System and method for accessing subterranean deposits

#281
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2014-08-28

Methods for pre-sharpening impregnated cutting structures for bits, resulting cutting structures and drill bits so equipped

#282
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2014-07-31

Control system for downhole operations

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20140190688
2014-07-10

Multi-window lateral well locator/reentry apparatus and method

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2014-06-05

Optimization with a control mechanism using a mixed-integer nonlinear formulation

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20140138084
2014-05-22

Caliper steerable tool for lateral sensing and accessing

#286
20140124198
2014-05-08

Remote activated deflector

#287
20140123779
2014-05-08

Space provision system using compression devices for the reallocation of resourced to new technology, brownfield and greenfield developments

#288
20140116728
2014-05-01

Multi-lateral re-entry guide and method of use

#289
20140102716
2014-04-17

Multilateral bore junction isolation

#290
20140090894
2014-04-03

Diverter latch assembly system

#291
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2014-02-06

Remote activated deflector

#292
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2014-01-09

Pulsating rotational flow for use in well operations

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2014-01-02

High pressure multibore junction assembly

#294
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2013-12-26

Method and system for accessing subterranean deposits from the surface and tools therefor

#295
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2013-12-12

Lateral wellbore completion apparatus and method

#296
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2013-12-05

Signal and power transmission in hydrocarbon wells

#297
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2013-12-05

Assembly and technique for completing a multilateral well

#298
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2013-12-05

Gravel packing method for multilateral well prior to locating a junction

#299
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2013-11-21

Systems and methods for operating a plurality of wells through a single bore

#300
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2013-11-07

Downhole apparatus, device, assembly and method