ClassID:

135168

E21B7/061 - CPC Classification

Classification description:

Special methods or apparatus for drilling; Directional drilling; Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock

Recent Application in this class:
#1
20260126215
2026-05-07

MOLTEN SALT AS HEAT TRANSFER FLUID IN MAGMA GEOTHERMAL SYSTEM

#2
20260117594
2026-04-30

SPLINED/GROOVED 2 PIECE BIT ASSEMBLY

#3
20260098450
2026-04-09

COMPOSITE JOINT WITH CASING EXIT LOCATOR

#4
20260078638
2026-03-19

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

#5
20260049531
2026-02-19

LATCH COLLET INCLUDING UNIQUE TORQUE BUTTONS

#6
20260028899
2026-01-29

CASING EXIT ASSEMBLY, METHOD, AND SYSTEM

#7
20260028882
2026-01-29

METHOD AND APPARATUS FOR IDENTIFYING A BAD MILL TRACK, AND BOREHOLE SYSTEM

#8
20260015917
2026-01-15

SIDETRACKING A WELLBORE WITHOUT MILLING A WINDOW

#9
20260009301
2026-01-08

LATCH COUPLING INCLUDING UNIQUE AXIAL ALIGNMENT SLOTS

#10
20250376902
2025-12-11

LATCH COLLET INCLUDING UNIQUE COLLET PROP BUTTONS

#11
20250361797
2025-11-27

WHIPSTOCK WITH DETACHABLE WHIPFACE AND SEALING CAPABILITIES FOR MULTILATERAL SYSTEMS

#12
20250334026
2025-10-30

SYSTEMS AND METHODS FOR MULTILATERAL COMPLETIONS

#13
20250277419
2025-09-04

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

#14
20250270883
2025-08-28

TWO-PART DRILLING AND RUNNING TOOL

#15
20250270880
2025-08-28

Push-the-Bit Rotary Steerable Apparatus

#16
20250263983
2025-08-21

WHIPSTOCK ASSEMBLY AND ASSOCIATED METHOD OF INSTALLING THE WHIPSTOCK ASSEMBLY

#17
20250250864
2025-08-07

METHOD AND SYSTEM FOR REDUCING FRICTION IN RADIAL DRILLING AND JET DRILLING OPERATIONS

#18
20250243714
2025-07-31

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

#19
20250243713
2025-07-31

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

#20
20250243712
2025-07-31

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

#21
20250230713
2025-07-17

MULTI PASS TWO-PART DRILLING/RUNNING AND ACTIVATION TOOL

#22
20250188802
2025-06-12

SIDE-TRACKING A WELLBORE

#23
20250109891
2025-04-03

BOOSTING WELL PERFORMANCE IN GEOTHERMAL SYSTEMS

#24
20250109677
2025-04-03

APPARATUS AND METHODS FOR UNINTERRUPTED DRILLING

#25
20250109662
2025-04-03

TWO PART MILLING AND RUNNING TOOL EMPLOYING A BODY LOCK RING

#26
20250109659
2025-04-03

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

#27
20250109647
2025-04-03

MULTILATERAL WHIPSTOCK ASSEMBLY EMPLOYING DEGRADABLE MATERIAL

#28
20250109636
2025-04-03

LATERAL ACCESS CONTROL IN DOWNHOLE WINDOW JOINTS

#29
20250109635
2025-04-03

MULTILATERAL MILLING ASSEMBLY EMPLOYING DEGRADABLE MATERIAL

#30
20250092748
2025-03-20

DEBRIS RESISTANT KEYED RUNNING TOOL AND METHOD

#31
20250067151
2025-02-27

LATERAL LOCATING ASSEMBLY HAVING ONE OR MORE PRODUCTION PORTS

#32
20250003302
2025-01-02

Whipstock integrated to completion string for coiled tubing operations

#33
20250003292
2025-01-02

Apparatus and Method for Assembling and Deploying Whipstock Assembly

#34
20240410254
2024-12-12

SYSTEMS AND METHODS FOR MULTILATERAL COMPLETIONS

#35
20240410230
2024-12-12

Splined/grooved 2 piece bit assembly

#36
20240410227
2024-12-12

Non-metallic liner for wellbore sidetrack operations

#37
20240401412
2024-12-05

Threaded 2 piece bit assembly

#38
20240376784
2024-11-14

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

#39
20240352801
2024-10-24

Lateral access control in downhole window joints

#40
20240328273
2024-10-03

METHOD AND SYSTEM FOR RETRIEVING A WHIPSTOCK WITH A DRILL BIT IN A WELLBORE

#41
20240318546
2024-09-26

System and Method for Orienting and Anchoring Downhole Tools

#42
20240318504
2024-09-26

Guided Mainbore Mill Through Multilateral Junction

#43
20240301754
2024-09-12

WHIPSTOCK TO PLUG AND ABANDON WELLBORE BELOW SETTING DEPTH

#44
20240287861
2024-08-29

DEFLECTOR-LESS MULTILATERAL SYSTEM USING A BUOYANT GUIDE SUB

#45
20240279989
2024-08-22

Non-magnetic openhole whipstock

#46
20240271832
2024-08-15

MOLTEN SALT AS HEAT TRANSFER FLUID IN MAGMA GEOTHERMAL SYSTEM

#47
20240271828
2024-08-15

PARTIALLY CASED WELLBORE IN MAGMA RESERVOIR

#48
20240271543
2024-08-15

GEOTHERMAL SYSTEM WITH A PRESSURIZED CHAMBER IN A MAGMA WELLBORE

#49
20240271490
2024-08-15

METHOD AND SYSTEM FOR REDUCING FRICTION IN RADIAL DRILLING AND JET DRILLING OPERATIONS

#50
20240271489
2024-08-15

Magma wellbore with directional drilling

#51
20240263522
2024-08-08

ROTARY STEERABLE SYSTEM

#52
20240263520
2024-08-08

METHOD AND APPARATUS FOR CREATION OF AN OPEN HOLE SIDETRACK

#53
20240263519
2024-08-08

Short-radius trajectory-controllable drilling tool and combined type steerable drilling tool

#54
20240254837
2024-08-01

COILED TUBING FLEXIBLE DRILL ROD ULTRA-SHORT RADIUS RADIAL DRILLING STRING, SYSTEM AND METHOD

#55
20240254836
2024-08-01

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

#56
20240254835
2024-08-01

Modified whipstock design integrating smart cleanout mechanisms

#57
20240247558
2024-07-25

ANNULAR PRESSURE ACTIVATED DOWNHOLE TOOL

#58
20240229561
2024-07-11

MULTILATERAL TECHNOLOGIES FOR WELLBORES

#59
20240209697
2024-06-27

ALIGNABLE GUIDANCE DEVICE FOR CASING ENTRY MILLING OPERATIONS

#60
20240200416
2024-06-20

ANNULAR PRESSURE ACTIVATED DOWNHOLE TOOL

#61
20240183231
2024-06-06

Casing shoe assembly

#62
20240159110
2024-05-16

Sidetrack casing assembly for drilling sidetrack wellbores

#63
20240151120
2024-05-09

SLIDABLE ISOLATION SLEEVE WITH I-SHAPED SEAL

#64
20240141741
2024-05-02

ANCHORING SUBASSEMBLY INCLUDING A RELAXATION MECHANISM

#65
20240117713
2024-04-11

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

#66
20240117712
2024-04-11

LATCH COLLET INCLUDING UNIQUE TORQUE BUTTONS

#67
20240117701
2024-04-11

DOWNHOLE TOOL INCLUDING A PACKER ASSEMBLY

#68
20240117686
2024-04-11

LATCH COLLET INCLUDING UNIQUE COLLET PROP BUTTONS

#69
20240117685
2024-04-11

LATCH COUPLING INCLUDING UNIQUE AXIAL ALIGNMENT SLOTS

#70
20240117680
2024-04-11

DOWNHOLE TOOL INCLUDING A PACKER ASSEMBLY, A COMPLETION ASSEMBLY, AND A REMOVABLY COUPLED WHIPSTOCK ASSEMBLY

#71
20240117679
2024-04-11

DOWNHOLE TOOL INCLUDING A PACKER ASSEMBLY, A COMPLETION ASSEMBLY, AND A FIXEDLY COUPLED WHIPSTOCK ASSEMBLY

#72
20240117678
2024-04-11

DOWNHOLE TOOL INCLUDING A FLUID LOSS DEVICE

#73
20240093623
2024-03-21

Method and system for reducing friction in radial drilling and jet drilling operations

#74
20240084673
2024-03-14

Method for downhole installation of batteries with recharging and energy harvesting systems in dedicated compartments

#75
20240084658
2024-03-14

WHIPSTOCK ASSEMBLY

#76
20240044211
2024-02-08

Omni-directional horizontally orientaed deflecting tool for coiled tubing

#77
20230417135
2023-12-28

Apparatus and methods for uninterrupted drilling

#78
20230383604
2023-11-30

Whipstock to plug and abandon wellbore below setting depth

#79
20230358100
2023-11-09

Directional drilling

#80
20230304369
2023-09-28

Method and system for multilateral quick access in oil and gas industry

#81
20230272681
2023-08-31

REMOVING WELLBORE COMPLETION COMPONENTS IN A WELLBORE

#82
20230272672
2023-08-31

Modified whipstock design integrating cleanout and setting mechanisms

#83
20230265743
2023-08-24

Two-part drilling/running and activation tool

#84
20230265719
2023-08-24

Two-part drilling and running tool

#85
20230265718
2023-08-24

Multi pass two-part drilling/running and activation tool

#86
20230258048
2023-08-17

Deflector-less multilateral system using a buoyant guide sub

#87
20230243221
2023-08-03

Annular pressure activated downhole tool

#88
20230228172
2023-07-20

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

#89
20230228171
2023-07-20

Lateral locating assembly having one or more production ports

#90
20230228170
2023-07-20

WHIPSTOCK WITH DETACHABLE WHIPFACE AND SEALING CAPABILITIES FOR MULTILATERAL SYSTEMS

#91
20230212939
2023-07-06

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

#92
20230167714
2023-06-01

Slidable isolation sleeve with I-shaped seal

#93
20230147862
2023-05-11

Release mechanism for a whipstock

#94
20230146814
2023-05-11

Debris resistant alignment system and method

#95
20230145176
2023-05-11

Debris resistant keyed running tool and method

#96
20230113169
2023-04-13

Method for washing over an anchoring subassembly

#97
20230110168
2023-04-13

METHOD TO ISOLATE PRESSURE ON A MULTILATERAL ORIENTATION ASSEMBLY WITH A REDUCTION IN TRIPS

#98
20230107576
2023-04-06

DRILLING TURBINE AND METHOD OF DIRECTIONAL DRILLING

#99
20230105473
2023-04-06

Cutting a sidetrack window

#100
20230036409
2023-02-02

Whipstock retrieving bit

#101
20230024404
2023-01-26

Multilateral well access systems and related methods of performing wellbore interventions

#102
20230015654
2023-01-19

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

#103
20230008467
2023-01-12

Mill bit including varying material removal rates

#104
20220389762
2022-12-08

Mill, downhole tool with mill, method and system

#105
20220364457
2022-11-17

Apparatus and methods for uninterrupted drilling

#106
20220333462
2022-10-20

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

#107
20220316279
2022-10-06

Easy building-up hybrid rotary steerable drilling system

#108
20220282574
2022-09-08

Dual piston rotary steerable system

#109
20220282573
2022-09-08

ROTARY STEERABLE SYSTEM WITH OPTIMIZED PISTON EXTENSION

#110
20220282572
2022-09-08

Rotary steerable system with central distribution passages

#111
20220268128
2022-08-25

Method and apparatus for making a lateral well

#112
20220268102
2022-08-25

Rotary steerable system for wellbore drilling

#113
20220268101
2022-08-25

RFID actuated release of mill from whipstock

#114
20220259925
2022-08-18

DIRECTIONAL BORING SYSTEMS AND METHODS

#115
20220259924
2022-08-18

Whipstock assemblies and methods for using the same

#116
20220235611
2022-07-28

Diamond Drilling Hole Correction Tool

#117
20220235610
2022-07-28

INDUSTRIAL DRILLING HOLE SUPPORT TUBE

#118
20220186562
2022-06-16

Whipstock with hinged taperface

#119
20220170345
2022-06-02

Collapsible bullnose assembly for multilateral well

#120
20220162922
2022-05-26

System And Method For Real-Time Drilling Or Milling Optimization

#121
20220136331
2022-05-05

Selectively openable communication port for a wellbore drilling system

#122
20220106860
2022-04-07

Open-hole pressure tight multilateral junction

#123
20220106847
2022-04-07

METHOD OF USING HYDRAULIC ACTIVATION CHAMBERS FOR ANCHORING DOWNHOLE EQUIPMENT

#124
20220049553
2022-02-17

ROTARY GUIDING TOOL AND TRANSMISSION DEVICE

#125
20220018191
2022-01-20

Methods for drilling using a rotary steerable system

#126
20210404294
2021-12-30

Self-deflecting multilateral junction

#127
20210372219
2021-12-02

Whipstock assembly

#128
20210355803
2021-11-18

Multilateral acid stimulation process

#129
20210355757
2021-11-18

Executing mechanism for rotary guide device and rotary guide device

#130
20210332658
2021-10-28

Methods and systems for drilling a multilateral well

#131
20210317705
2021-10-14

Window mill and whipstock connector for a resource exploration and recovery system

#132
20210285307
2021-09-16

Bottom hole assembly with a cleaning tool

#133
20210246750
2021-08-12

One Trip Bottom Hole Assembly and Method for Milling Casing and Directionally Drilling a Lateral Wellbore

#134
20210172255
2021-06-10

Eccentric dual string exit module

#135
20210131185
2021-05-06

Release mechanism for a whipstock

#136
20210102452
2021-04-08

Attaining access to compromised fractured production regions at an oilfield

#137
20210102445
2021-04-08

Smart completion with drilling capabilities

#138
20210087888
2021-03-25

Downhole devices and associated apparatus and methods

#139
20210087885
2021-03-25

Steering actuation mechanism

#140
20210087884
2021-03-25

Radial drilling link transmission and flex shaft protective cover

#141
20210054708
2021-02-25

Cutting a sidetrack window in a cased wellbore

#142
20210017850
2021-01-21

Apparatus and methods for uninterrupted drilling

#143
20200386067
2020-12-10

Diverter downhole tool and associated methods

#144
20200386053
2020-12-10

WHIPSTOCK ASSEMBLY

#145
20200347688
2020-11-05

Apparatus and method for milling a window in a borehole

#146
20200332614
2020-10-22

Whipstock

#147
20200318435
2020-10-08

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

#148
20200318434
2020-10-08

Hydraulic drilling systems and methods

#149
20200318433
2020-10-08

Directional drilling

#150
20200300061
2020-09-24

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

#151
20200263503
2020-08-20

Hybrid rotary guiding device

#152
20200256129
2020-08-13

Deflector assembly and method for forming a multilateral well

#153
20200256128
2020-08-13

Deflector assembly and efficient method for multi-stage fracturing a multilateral well using the same

#154
20200232291
2020-07-23

Downhole device delivery and associated drive transfer system and method of delivering a device down a hole

#155
20200190909
2020-06-18

A ROTARY GUIDING DEVICE

#156
20200190908
2020-06-18

Release mechanism for a whipstock

#157
20200173238
2020-06-04

Combined multilateral window and deflector and junction system

#158
20200157898
2020-05-21

System and method for reverse Y-tool bypass

#159
20200149370
2020-05-14

Actuatable deflector for a completion sleeve in multilateral wells

#160
20200131886
2020-04-30

Bottom hole assembly with a cleaning tool

#161
20200115967
2020-04-16

Systems and methods for reducing the effect of borehole tortuosity on the deployment of a completion assembly

#162
20200087987
2020-03-19

Cementing whipstock assembly and running tool with releasably engaged cement tube for minimizing downhole trips during lateral drill sidetracking operations

#163
20200087986
2020-03-19

Rotary guiding device based on radial driving force

#164
20200080402
2020-03-12

Support device for tubing string

#165
20200080381
2020-03-12

Strategic flexible section for a rotary steerable system

#166
20200072000
2020-03-05

Stepped downhole tools and methods of use

#167
20200063546
2020-02-27

Apparatus and methods for uninterrupted drilling

#168
20200040683
2020-02-06

Apparatus and method for forming a lateral wellbore

#169
20200011134
2020-01-09

BI-MILL FOR MILLING AN OPENING THROUGH A WELLBORE CASING AND IN A PREPLANNED LATERAL DRILLING PATH IN DEPARTURE FROM THE WELLBORE AXIS

#170
20190330944
2019-10-31

Dual-action hydraulically operable anchor and methods of operation and manufacture for wellbore exit milling

#171
20190330924
2019-10-31

Drilling and operating sigmoid-shaped wells

#172
20190301245
2019-10-03

Steering assembly for directional drilling of a wellbore

#173
20190292853
2019-09-26

Borehole cross-section steering

#174
20190264544
2019-08-29

Auxiliary feeding device for flexible pipe of radial horizontal well

#175
20190162060
2019-05-30

Ported casing collar for downhole operations, and method for accessing a formation

#176
20190153841
2019-05-23

Method of avoiding frac hits during formation stimulation

#177
20190153784
2019-05-23

Pad in bit articulated rotary steerable system

#178
20190106940
2019-04-11

Retention system for bottom hole assembly and whipstock

#179
20190093436
2019-03-28

Drilling with a whipstock system

#180
20190085661
2019-03-21

One-trip multilateral tool

#181
20190040684
2019-02-07

Drilling and operating sigmoid-shaped wells

#182
20190040683
2019-02-07

Drilling and operating sigmoid-shaped wells

#183
20190032406
2019-01-31

Steerable borehole excavation apparatus

#184
20190032405
2019-01-31

Guidance system for a downhole boring device

#185
20190024467
2019-01-24

METHOD FOR ORIENTING WHIPSTOCK FOR CASING EXIT IN VERTICAL AND NEAR VERTICAL WELLS USING XY MAGNETOMETERS

#186
20190017327
2019-01-17

Whipstocking drill for ultra-short-radius well

#187
20190010786
2019-01-10

Expandable reentry completion device

#188
20190010760
2019-01-10

Mechanics experiment system and method for perforated string in underground perforating blasting of oil-gas well

#189
20190003264
2019-01-03

Millable bit to whipstock connector

#190
20190003258
2019-01-03

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

#191
20180371860
2018-12-27

Dissolvable whipstock for multilateral wellbore

#192
20180363401
2018-12-20

Casing exit joint with guiding profiles and methods for use

#193
20180363378
2018-12-20

Whipstock assembly with a support member

#194
20180363377
2018-12-20

DOWNHOLE TOOL ASSEMBLIES WITH SELECTIVELY ORIENTABLE AND LOCKABLE MEMBERS

#195
20180355690
2018-12-13

Hydraulically set open hole whipstock

#196
20180347613
2018-12-06

Bolt having torque resistant shear region

#197
20180340387
2018-11-29

Apparatus and method for exchanging signals / power between an inner and an outer tubular

#198
20180334872
2018-11-22

Correction for drill pipe compression

#199
20180334870
2018-11-22

Dissolvable protector sleeve

#200
20180328148
2018-11-15

Lateral deflector with feedthrough for connection to intelligent systems

#201
20180328118
2018-11-15

Dual Purpose Radial Drilling Tool String for Cutting Casing and Rock in a Single Trip

#202
20180320489
2018-11-08

Installation apparatus and method

#203
20180320480
2018-11-08

Hydraulically assisted shear bolt

#204
20180320448
2018-11-08

Window mill hydraulic line connection

#205
20180313156
2018-11-01

Apparatus and method for drilling deviated wellbores

#206
20180305989
2018-10-25

Optimized coiled tubing string design and analysis for extended reach drilling

#207
20180274317
2018-09-27

DEGRADABLE CASING JOINTS FOR USE IN SUBTERRANEAN FORMATION OPERATIONS

#208
20180274300
2018-09-27

Reduced trip well system for multilateral wells

#209
20180258701
2018-09-13

DOWNHOLE TOOL ORIENTING SUBASSEMBLY

#210
20180258700
2018-09-13

Whipstock assemblies with a retractable tension arm

#211
20180252075
2018-09-06

Shiftable isolation sleeve for multilateral wellbore systems

#212
20180238145
2018-08-23

Directional micro lateral drilling system

#213
20180230751
2018-08-16

Drilling and operating sigmoid-shaped wells

#214
20180223614
2018-08-09

Hydraulically set open hole whipstock

#215
20180209258
2018-07-26

Method of forming lateral boreholes from a parent wellbore

#216
20180209233
2018-07-26

Whipstock/bottom hole assembly interconnection and method

#217
20180209232
2018-07-26

Whipstock/bottom hole assembly arrangement and method

#218
20180195346
2018-07-12

Whipstock valve with nozzle bypass feature

#219
20180163475
2018-06-14

Material exhaust connection for horizontal bore

#220
20180135386
2018-05-17

Mechanical Casing Exit Window Locator and Whipstock Alignment System

#221
20180112468
2018-04-26

Radial Drilling in Horizontal Wells by Coiled-Tubing and Radial Drilling by E-Line and Slick-Line

#222
20180094496
2018-04-05

Downhole milling cutting structures

#223
20180080283
2018-03-22

Apparatus and method for directional drilling of boreholes

#224
20180038197
2018-02-08

Controlling the sensitivity of a valve by adjusting a gap

#225
20170362896
2017-12-21

Wellbore interactive-deflection mechanism

#226
20170335647
2017-11-23

SINGLE-PASS MILLING ASSEMBLY

#227
20170328177
2017-11-16

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

#228
20170322013
2017-11-09

Magnetic ranging from behind a magnetic shield

#229
20170204667
2017-07-20

Hydraulic drilling systems and methods

#230
20170152727
2017-06-01

Lateral drilling system

#231
20170152718
2017-06-01

Casing windowing method and tool using coiled tubing

#232
20170130542
2017-05-11

Pressure Control System and Optional Whipstock Repositioning System for Short Radius Lateral Drilling

#233
20170107771
2017-04-20

System to Improve the Control of Downhole Tool-Strings Used in Radial Drilling

#234
20170101838
2017-04-13

Hydraulically released running tool for setting a whipstock anchor before cementing therethrough

#235
20170067321
2017-03-09

Forming multilateral wells

#236
20170044866
2017-02-16

Whipstock valve with nozzle bypass feature

#237
20170022801
2017-01-26

Extendable orienting tool for use in wells

#238
20170016292
2017-01-19

Activation mechanism for a downhole tool and a method thereof

#239
20160356088
2016-12-08

METHOD FOR CONTROLLING DRILLING DIRECTIONS OF A DRILL BIT BY A ROTARY STEERABLE DRILLING TOOL

#240
20160356087
2016-12-08

Ram accelerator system with baffles

#241
20160348476
2016-12-01

Expandable bullnose assembly for use with a wellbore deflector

#242
20160348456
2016-12-01

Milling apparatus

#243
20160341009
2016-11-24

Shear mechanism with preferential shear orientation

#244
20160326818
2016-11-10

Wellbore sealing system with degradable whipstock

#245
20160319633
2016-11-03

Methods of deployment for eutectic isolation tools to ensure wellbore plugs

#246
20160312584
2016-10-27

Downhole completion system and method

#247
20160312575
2016-10-27

METHOD OF FORMING A BORE

#248
20160312537
2016-10-27

METHOD OF FORMING A BORE

#249
20160305221
2016-10-20

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

#250
20160298408
2016-10-13

Lower mill spaced cutting ring structure

#251
20160298391
2016-10-13

Well diverter assembly with substantially pressure balanced annular seal device

#252
20160273288
2016-09-22

Expandable latch coupling assembly

#253
20160265296
2016-09-15

Control system for downhole casing milling system

#254
20160258237
2016-09-08

Mill blade torque support

#255
20160258236
2016-09-08

Mill blade torque support

#256
20160245550
2016-08-25

Geothermal power plant

#257
20160238055
2016-08-18

Dual-configuration shear bolt

#258
20160237770
2016-08-18

Cutting tool

#259
20160230488
2016-08-11

Pre-milled windows having a composite material covering

#260
20160230465
2016-08-11

Bottom hole assembly with wearable stabilizer pad for directional steering

#261
20160215605
2016-07-28

Methods of producing with multi-sidetracked mother wellbores

#262
20160194937
2016-07-07

Method for establishment of a new well path from an existing well

#263
20160186530
2016-06-30

METHOD FOR IN-WELLBORE WELDING

#264
20160160619
2016-06-09

Downhole hydraulic Jetting Assembly

#265
20160160595
2016-06-09

Internal tractor system for downhole tubular body

#266
20160160568
2016-06-09

Steerable hydraulic jetting nozzle, and guidance system for downhole boring device

#267
20160153253
2016-06-02

Expandable bullnose assembly for use with a wellbore deflector

#268
20160153239
2016-06-02

Method of forming lateral boreholes from a parent wellbore

#269
20160153238
2016-06-02

METHOD OF FORMING A BORE

#270
20160145956
2016-05-26

Whipstock and deflector assembly for multilateral wellbores

#271
20160108679
2016-04-21

Pad in bit articulated rotary steerable system

#272
20160102501
2016-04-14

Steering assembly for directional drilling of a wellbore

#273
20160010412
2016-01-14

Casing exit mills and apparatus and methods of use

#274
20150369022
2015-12-24

Multi-lateral well system

#275
20150361764
2015-12-17

Multi-circulation valve apparatus and method

#276
20150345224
2015-12-03

Method and system for laterally drilling through a subterranean formation

#277
20150337613
2015-11-26

Method and apparatus for milling a zero radius lateral window in casing

#278
20150300092
2015-10-22

Slow Drilling Assembly and Method

#279
20150285002
2015-10-08

Penetrating a subterranean formation

#280
20150267508
2015-09-24

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

#281
20150240573
2015-08-27

Apparatus and Method for Lateral Well Drilling

#282
20150218899
2015-08-06

Methods of using an expandable bullnose assembly with a wellbore deflector

#283
20150186570
2015-07-02

Computing systems, tools, and methods for simulating wellbore departure

#284
20150184460
2015-07-02

Systems for forming lateral wellbores

#285
20150176332
2015-06-25

Method of testing a subsurface formation for the presence of hydrocarbon fluids

#286
20150152703
2015-06-04

Systems and methods of supporting a multilateral window

#287
20150152702
2015-06-04

Lower mill spaced cutting ring structure

#288
20150122495
2015-05-07

Single trip cement thru open hole whipstick

#289
20150101863
2015-04-16

DOWNHOLE TOOL FOR SIDETRACKING

#290
20150047853
2015-02-19

System and methodology for mechanically releasing a running string

#291
20150047840
2015-02-19

System and methodology for locating a deflector

#292
20150027714
2015-01-29

Swelling debris barrier and methods

#293
20150021018
2015-01-22

High pressure large bore well conduit system

#294
20150013981
2015-01-15

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

#295
20150007993
2015-01-08

Protection of casing lowside while milling casing exit

#296
20150007991
2015-01-08

Method of providing mechanical stability around an entrance of a new well path to be formed from an existing well

#297
20140345944
2014-11-27

Rotary steerable drilling tool with a linear motor

#298
20140338908
2014-11-20

Cementing whipstock apparatus and methods

#299
20140326456
2014-11-06

Systems and methods for managing milling debris

#300
20140299324
2014-10-09

Tubular system for jet drilling