ClassID:

135552

E21B37/00 - page 2 - CPC Classification

Classification description:

Methods or apparatus for cleaning boreholes or wells

Recent Application in this class:
#301
20190085674
2019-03-21

Fracturing assembly with clean out tubular string

#302
20190063171
2019-02-28

Hydraulic fraction down-hole system with circulation port and jet pump for removal of residual fracking fluid

#303
20190062620
2019-02-28

Method for time-controlled release of breakers by use of breakers encapsulated within membranes containing water soluble polymers

#304
20190055819
2019-02-21

Foam cleanout methods and systems for wellbores

#305
20190055802
2019-02-21

Downhole debris-collecting tool having an improved valve

#306
20190048673
2019-02-14

Downhole annular flow diverter

#307
20190048247
2019-02-14

Spacer fluids for cementing well bores

#308
20190024480
2019-01-24

Fluid discharge apparatus and method of use

#309
20190022612
2019-01-24

CHEMICAL MIXING AND PUMPING UNIT AND METHODS FOR OILFIELD OPERATIONS

#310
20190017362
2019-01-17

Pipeline descaling and rock stratum fracturing device based on electro-hydraulic pulse shock waves

#311
20190016947
2019-01-17

Composition and method for removing oil-based filter cake

#312
20190003286
2019-01-03

Method for removing a downhole plug

#313
20180371888
2018-12-27

Subsea processing of well fluids

#314
20180371865
2018-12-27

PROCESSES AND DEVICES FOR INSTALLING A RETRIEVABLE PIPELINE PLUG

#315
20180363441
2018-12-20

METHOD AND APPARATUS FOR IMPROVING WELLBORE PRODUCTIVITY WITH PIEZOELECTRIC CRYSTALS

#316
20180350479
2018-12-06

System for nuclear waste storage and monitoring

#317
20180346792
2018-12-06

Methods and compositions for cleaning interior of a casing string

#318
20180340389
2018-11-29

Energy-saving and environment-friendly paraffin and scale control ultra-strong viscosity reduction device

#319
20180340117
2018-11-29

Hydrophobic Coating of Particulates for Enhanced Well Productivity

#320
20180328150
2018-11-15

OILFIELD LASER OPERATIONS USING HIGH POWER LONG DISTANCE LASER TRANSMISSION SYSTEMS

#321
20180328146
2018-11-15

Downhole radial cleanout tool

#322
20180320492
2018-11-08

Device and method for water drainage and gas production by pressure control and gas lift

#323
20180320059
2018-11-08

Polysaccharide coated nanoparticle compositions comprising ions

#324
20180320054
2018-11-08

Compositions and methods for enhanced fracture cleanup using redox treatment

#325
20180318892
2018-11-08

Interlocking teeth for strengthening pinned connection between knuckle-jointed lance segments

#326
20180305603
2018-10-25

HYDROPHOBIZING TREATMENTS AND AGENTS AND METHODS OF USE IN SUBTERRANEAN FORMATIONS

#327
20180294064
2018-10-11

Method for nuclear waste storage and monitoring

#328
20180291706
2018-10-11

Flow reversing debris removal device with surface signal capability

#329
20180283120
2018-10-04

Method and apparatus for swarf disposal in wellbores

#330
20180266230
2018-09-20

Electric submersible pump suction debris removal assembly

#331
20180266221
2018-09-20

Apparatus and method for pumping a reservoir

#332
20180265769
2018-09-20

Use of natural gas as a vaporizing gas in a well intervention operation

#333
20180258738
2018-09-13

Prevention of fluid loss in uncemented lower completion installation

#334
20180244979
2018-08-30

Removal of barite weighted mud

#335
20180238144
2018-08-23

Downhole magnet, downhole magnetic jetting tool and method of attachment of magnet pieces to the tool body

#336
20180238143
2018-08-23

Well cleanout system

#337
20180237680
2018-08-23

Core-shell particles for treatment of subterranean formations

#338
20180232919
2018-08-16

Visualization of wellbore cleaning performance

#339
20180230356
2018-08-16

Compositions and methods for servicing subterranean wells

#340
20180223630
2018-08-09

Drill string mountable wellbore cleanup apparatus and method

#341
20180223180
2018-08-09

Wrinkled capsules for treatment of subterranean formations

#342
20180216439
2018-08-02

Cleaning wellbore perforation clusters and reservoir fractures

#343
20180202289
2018-07-19

Workflow for evaluating stabilization products for use in subterranean formations

#344
20180202280
2018-07-19

Tuning predictions of wellbore operation parameters

#345
20180202269
2018-07-19

Downhole tool including a resettable plug with a flow-through valve

#346
20180195369
2018-07-12

HELIX NOZZLE OSCILLATING DELIVERY SYSTEM

#347
20180195368
2018-07-12

Well stimulation and cleaning tool

#348
20180179858
2018-06-28

Methods of microbial measuring and control

#349
20180178256
2018-06-28

Marine Riser Cleaning and Inspection Process

#350
20180171750
2018-06-21

Compositions And Methods For Controlled Break Of Fluid-Loss Barriers Post-Perforation

#351
20180163729
2018-06-14

Wellbore debris handler for electric submersible pumps

#352
20180163517
2018-06-14

Induced cavitation to prevent scaling on wellbore pumps

#353
20180163512
2018-06-14

WELL TREATMENT

#354
20180163477
2018-06-14

Visible diode laser systems, apparatus and methods of use

#355
20180156021
2018-06-07

System and method for removing sand from a wellbore

#356
20180135385
2018-05-17

Determination of the optimal fluid pulses for enhancement of reservoir permeability and productivity

#357
20180135372
2018-05-17

WELLBORE CLEANOUT SYSTEM

#358
20180134949
2018-05-17

Hydrophobic coating of particulates for enhanced well productivity

#359
20180119514
2018-05-03

Fish through filter device

#360
20180119005
2018-05-03

HYDROPHOBIC COATING OF PARTICULATES FOR ENHANCED WELL PRODUCTIVITY

#361
20180112496
2018-04-26

Shock waves for pipe cleaning

#362
20180106132
2018-04-19

Automatic downhole jetting system

#363
20180087368
2018-03-29

Automated wash systems for a progressing cavity pump system

#364
20180087349
2018-03-29

Automated wash method for a progressing cavity pump system

#365
20180086970
2018-03-29

METHOD FOR PROVIDING EXTENDED RELEASE ANTIMICROBIAL IN HYDRAULIC FRACTURING APPLICATIONS

#366
20180086969
2018-03-29

Treatment fluids for reducing subterranean formation damage

#367
20180066499
2018-03-08

Apparatus and method of cleaning an oil well-bore

#368
20180058178
2018-03-01

Vortices induced helical fluid delivery system

#369
20180058146
2018-03-01

Downhole tool string

#370
20180044569
2018-02-15

Compositions and methods for servicing subterranean wells

#371
20180043401
2018-02-15

Method and apparatus for cleaning fluid conduits

#372
20180037810
2018-02-08

Encapsulated porous proppant

#373
20180037803
2018-02-08

METHODS OF TREATING OIL AND GAS WELL FRACTURES

#374
20180030814
2018-02-01

Method and apparatus for performing operations in fluid conduits

#375
20180023370
2018-01-25

Selective rotationally aligning indicating mechanism

#376
20180023364
2018-01-25

Capture method for flow back retrieval of borehole plug with a lower slip assembly

#377
20180023363
2018-01-25

Flow back retrieval method for borehole plug with a lower slip assembly through tubulars of different sizes

#378
20180022984
2018-01-25

Activators for inorganic oxide breakers

#379
20180016872
2018-01-18

Systems and methods for managing debris in a well

#380
20180016860
2018-01-18

Well tool

#381
20180010032
2018-01-11

Compositions and methods for completing subterranean wells

#382
20180003006
2018-01-04

Conforming magnet tool for recovery of downhole debris

#383
20170370169
2017-12-28

Plug launching system and method

#384
20170362499
2017-12-21

Compositions and Methods for Preparation and Utilization of Acid-Generating Materials

#385
20170362498
2017-12-21

USE OF MGDA AS ADDITIVE IN PROCESSES FOR RECOVERING CRUDE OIL AND/OR GAS FROM SUBTERRANEAN FORMATIONS

#386
20170349817
2017-12-07

Polymer with internal crosslinking and breaking mechanisms

#387
20170335179
2017-11-23

Use of olefinic ester compositions in oil and gas fields

#388
20170327724
2017-11-16

Fluorinated packer fluids

#389
20170306724
2017-10-26

Automatic triggering and conducting of sweeps

#390
20170306714
2017-10-26

Wireline operated dump bailer and method for unloading of material in a well

#391
20170275959
2017-09-28

Drilling debris separator

#392
20170275526
2017-09-28

SUPERCRITICAL Y-GRADE NGL

#393
20170275522
2017-09-28

Synthetic acid compositions alternatives to conventional acids in the oil and gas industry

#394
20170268332
2017-09-21

Determining the robustness of discrete fracture network permeability estimates

#395
20170268315
2017-09-21

Cleaning channels

#396
20170267912
2017-09-21

Delayed acid breaker systems for filtercakes

#397
20170260844
2017-09-14

Downhole tool

#398
20170260822
2017-09-14

Methods and systems for drilling

#399
20170253790
2017-09-07

Composition including a viscosifier and a hydrophobically-modified polymer that includes a nitrogen-containing repeating unit for treatment of subterranean formations

#400
20170252783
2017-09-07

Enhanced knuckle-jointed lance useful for internal cleaning and inspection of tubulars

#401
20170248305
2017-08-31

SYSTEM FOR GENERATING SUPERHEATED STEAM USING HYDROGEN PEROXIDE

#402
20170247981
2017-08-31

DEBRIS CONTROL SYSTEMS, APPARATUS, AND METHODS

#403
20170247980
2017-08-31

Open hole drilling magnet

#404
20170241239
2017-08-24

One trip blowout preventer cleaning and pressure testing

#405
20170234112
2017-08-17

Wellbore reverse circulation with flow-activated motor

#406
20170234111
2017-08-17

Device for Removing and Preventing Paraffin by Using Electric Heating Generated from Skin Effect-based Natural Gas Electricity and Application thereof

#407
20170234104
2017-08-17

METHODS FOR WELL TREATMENT

#408
20170232407
2017-08-17

In-line well fluid eduction blending

#409
20170226825
2017-08-10

SUBMERSIBLE PUMP SYSTEMS AND METHODS OF USE

#410
20170226824
2017-08-10

METHOD AND SYSTEM FOR OPERATING A WELL TREATMENT CHEMICAL PUMP

#411
20170226412
2017-08-10

Resin and hardener consolidation composition

#412
20170226401
2017-08-10

Terpene-Based Spotting Fluid Compositions for Differential Sticking

#413
20170210968
2017-07-27

RESERVOIR TREATMENT FLUID

#414
20170210873
2017-07-27

METHOD OF DECOMPOSING ESTER RESINS

#415
20170204713
2017-07-20

Method for the enhancement and stimulation of oil and gas production in shales

#416
20170204702
2017-07-20

BATTERY OPERATED AUTONOMOUS SCALE REMOVAL SYSTEM FOR WELLS

#417
20170204324
2017-07-20

Environmentally acceptable, low temperature gel breaking system

#418
20170203268
2017-07-20

Chemical mixing and pumping unit and methods for oilfield operations

#419
20170199296
2017-07-13

Methods of logging

#420
20170198192
2017-07-13

Breaker fluids and methods of use thereof

#421
20170198189
2017-07-13

Crosslinked synthetic polymer-based reservoir drilling fluid

#422
20170190951
2017-07-06

Removal of barite weighted mud

#423
20170190948
2017-07-06

Use of particulate or fibrous materials in gravel pack applications

#424
20170183561
2017-06-29

Well treatment fluids comprising cross-linkable polysaccharides

#425
20170175498
2017-06-22

Pump-through perforating gun combining perforation with other operation

#426
20170175047
2017-06-22

Polypeptides Having Endoglucanase Activity

#427
20170159402
2017-06-08

METHOD OF ENHANCING CIRCULATION DURING DRILL-OUT OF A WELLBORE BARRIER USING DISSOVABLE SOLID PARTICULATES

#428
20170152726
2017-06-01

DOWNHOLE WELL CONDITIONING TOOL

#429
20170145786
2017-05-25

BACKFLUSH VALVE

#430
20170145289
2017-05-25

Barite filter cake removing composition and method

#431
20170130568
2017-05-11

Triggering an exothermic reaction for reservoirs using microwaves

#432
20170114268
2017-04-27

Encapsulation of an acid precursor for oil field applications

#433
20170107781
2017-04-20

Radially expandable ratchet locking borehole barrier assembly

#434
20170096876
2017-04-06

Zone selection with smart object selectively operating predetermined fracturing access valves

#435
20170096596
2017-04-06

Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry

#436
20170096592
2017-04-06

ACID SOLUBLE FLAKES AS LOST CIRCULATION MATERIAL

#437
20170088766
2017-03-30

NON-DAMAGING BIMODAL STIMULATION COMPOSITION AND METHOD OF USE THEREOF

#438
20170081927
2017-03-23

Relockable shearing swivel tool apparatus and method

#439
20170074080
2017-03-16

Subterranean pump with pump cleaning mode

#440
20170067313
2017-03-09

STRADDLE TOOL WITH DISCONNECT BETWEEN SEALS

#441
20170066961
2017-03-09

Method of breaking metal-crosslinked polymers

#442
20170058183
2017-03-02

Breaker and displacement fluid

#443
20170052101
2017-02-23

Sweep efficiency for hole cleaning

#444
20170051732
2017-02-23

Pump system and method of starting pump

#445
20170051587
2017-02-23

Gas well deliquification

#446
20170051577
2017-02-23

Systems and methods for managing debris in a well

#447
20170051576
2017-02-23

Magnetic deposition prevention subassembly and method of use

#448
20170044871
2017-02-16

Hot water recycle for paraffin cleanout

#449
20170037710
2017-02-09

Gravel pack sealing assembly

#450
20170037707
2017-02-09

Downhole tool

#451
20170037301
2017-02-09

Polymeric surfactant containing a protein head group and lipid tail group

#452
20170030175
2017-02-02

Stimulation of Packerless Wells for Enhanced Oil Recovery

#453
20170030164
2017-02-02

Apparatus and method for cleaning wells and pipelines

#454
20170030162
2017-02-02

Well casing/tubing disposal

#455
20170030156
2017-02-02

Method and apparatus for severing a drill string

#456
20170029687
2017-02-02

Organophilic nanoparticles in direct emulsion systems and methods for their use as wellbore drilling fluids

#457
20170022791
2017-01-26

Well production system

#458
20170022768
2017-01-26

Method and system for servicing a well

#459
20170016293
2017-01-19

Multi-run retrievable battery pack for electronic slickline tools

#460
20170015895
2017-01-19

Polysaccharide coated nanoparticle compositions comprising ions

#461
20170009545
2017-01-12

Collecting device for particulate material in a well and a method for collecting the particulate material and transporting it out of the well

#462
20170009534
2017-01-12

Torque limiting device

#463
20160376491
2016-12-29

Filter cake removal composition for drilling fluids and method of use thereof

#464
20160362596
2016-12-15

Compositions and methods for filter cake removal

#465
20160356697
2016-12-08

Measuring critical shear stress for mud filtercake removal

#466
20160356122
2016-12-08

Decreasing microorganisms in fluids using ultrasonic wave technologies

#467
20160355724
2016-12-08

Acrylonitrile-based sulfur scavenging agents and methods of use in oilfield operations

#468
20160348472
2016-12-01

Drillable and resettable wellbore obstruction-clearing tool

#469
20160347987
2016-12-01

Degrading and removing cured resins from substrates

#470
20160347986
2016-12-01

Degradable Fluid Sealing Compositions Incorporating Non-Degradable Microparticulates And Methods For Use Thereof

#471
20160341018
2016-11-24

Method for the enhancement of injection activities and stimulation of oil and gas production

#472
20160341006
2016-11-24

Method for preventing wax deposition in oil wells with packers

#473
20160340991
2016-11-24

Method and system for positioning a magnetic fluid conditioner

#474
20160333668
2016-11-17

Debris catcher

#475
20160333261
2016-11-17

Enhanced subterranean treatment fluids in ionic water or seawater

#476
20160333258
2016-11-17

Hydrophobic coating of particulates for enhanced well productivity

#477
20160333256
2016-11-17

Process for acidizing

#478
20160326839
2016-11-10

System and method for condensate blockage removal with ceramic material and microwaves

#479
20160326821
2016-11-10

Reciprocating wellbore obstruction-clearing tool and bailer

#480
20160326807
2016-11-10

Directional drilling while conveying a lining member, with latching parking capabilities for multiple trips

#481
20160320323
2016-11-03

Water/oil/gas emulsions/foams characterization using low field nuclear magnetic resonance

#482
20160319646
2016-11-03

System and method for perforating a formation

#483
20160319620
2016-11-03

Plunger assembly with coated dart and wear pads

#484
20160319182
2016-11-03

Compositions for enhanced fracture cleanup using redox treatment

#485
20160312587
2016-10-27

Creating radial slots in a wellbore

#486
20160312582
2016-10-27

One trip cleaning and tool setting in the cleaned location

#487
20160312557
2016-10-27

Disintegrating expand in place barrier assembly

#488
20160312556
2016-10-27

Motion activated ball dropping tool

#489
20160305219
2016-10-20

One trip wellbore cleanup and setting a subterranean tool method

#490
20160304765
2016-10-20

Treatment fluids for reducing subterranean formation damage

#491
20160290102
2016-10-06

Self-cleaning windows for downhole and process chemistry environment

#492
20160281470
2016-09-29

APPARATUS AND METHOD FOR MAINTAINING A GAS OR OIL WELL

#493
20160272878
2016-09-22

Treatment of siliceous materials using catechol and amines in subterranean applications

#494
20160272871
2016-09-22

Subterranean treatment with compositions including hexaaquaaluminum trihalide

#495
20160265325
2016-09-15

Downhole induction heater for oil and gas wells

#496
20160264859
2016-09-15

Composition for enhanced fracture cleanup using redox treatment

#497
20160257874
2016-09-08

Acidizing fluids and methods for use in subterranean formations

#498
20160251940
2016-09-01

High power laser flow assurance systems, tools and methods

#499
20160244660
2016-08-25

Treatment fluids containing a hydrophobically modified chelating agent and methods for use thereof

#500
20160237787
2016-08-18

Well apparatus and method for use in gas production

#501
20160222763
2016-08-04

Systems and conveyance structures for high power long distance laser transmission

#502
20160222279
2016-08-04

CORROSION INHIBITOR INTENSIFIERS FOR CORROSION RESISTANT ALLOYS

#503
20160208601
2016-07-21

Microfluidic determination of wax appearance temperature

#504
20160201430
2016-07-14

Method for isolation of a permeable zone in a subterranean well

#505
20160194937
2016-07-07

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

#506
20160194934
2016-07-07

One-trip method of plugging a borehole for well abandonment

#507
20160136699
2016-05-19

Cryogenic cleaning methods for reclaiming and reprocessing oilfield tools

#508
20160130914
2016-05-12

Mainbore clean out tool

#509
20160130893
2016-05-12

Methods and systems for fluid removal from a structure

#510
20160130497
2016-05-12

Encapsulated internal filter cake breakers with improved release properties

#511
20160123116
2016-05-05

Systems and methods for managing debris in a well

#512
20160122620
2016-05-05

Compositions and Methods for Servicing Subterranean Wells

#513
20160109610
2016-04-21

High resolution downhole flaw detection using pattern matching

#514
20160102531
2016-04-14

Bubble pump utilization for vertical flow line liquid unloading

#515
20160102239
2016-04-14

Microemulsions, mesophase surfactant and micellar solutions, and in situ-formed fluids formulated with high density brine

#516
20160097261
2016-04-07

Downhole magnet, downhole magnetic jetting tool and method of attachment of magnet pieces to the tool body

#517
20160097260
2016-04-07

Method for remediating a screen-out during well completion

#518
20160097259
2016-04-07

Method for remediating a screen-out during well completion

#519
20160084072
2016-03-24

Hydraulic injection diagnostic tool

#520
20160084041
2016-03-24

WASTE WATER TREATMENT SYSTEMS AND METHODS

#521
20160076340
2016-03-17

Device for cleaning water wells

#522
20160069142
2016-03-10

Drill string mountable wellbore cleanup apparatus and method

#523
20160047202
2016-02-18

Nozzle assembly

#524
20160040505
2016-02-11

High efficiency nozzle

#525
20160040504
2016-02-11

Suction Nozzle

#526
20160024888
2016-01-28

Method and device for cleaning control particles in a wellbore

#527
20160017691
2016-01-21

Wireline fluid blasting tool and method

#528
20160010423
2016-01-14

Method and system for plugging a well and use of explosive charges in plugging wells

#529
20150369008
2015-12-24

Hydraulic delay toe valve system and method

#530
20150368551
2015-12-24

Encapsulation of an acid precursor for oil field applications

#531
20150361729
2015-12-17

Drill stem element with fluid activation zone

#532
20150356210
2015-12-10

Well tool scale buildup test, model and mitigation

#533
20150345275
2015-12-03

Subsea processing of well fluids

#534
20150337630
2015-11-26

SHOCK WAVES FOR PIPE CLEANING

#535
20150337629
2015-11-26

Using dynamic underbalance to increase well productivity

#536
20150337195
2015-11-26

Surface active additives for oil-based mud filter cake breakers

#537
20150330412
2015-11-19

System and method for cleaning submersible motor pumps covered with suction sleeves and disposed horizontally or vertically

#538
20150329764
2015-11-19

Treatment fluids containing a boron trifluoride complex and methods for use thereof

#539
20150322755
2015-11-12

Subterranean pump with pump cleaning mode

#540
20150322745
2015-11-12

Self-extendable hydraulic wellbore cleaning tool

#541
20150315876
2015-11-05

Oil well cleaning compositions

#542
20150315875
2015-11-05

Red Mud Solids in Spacer Fluids

#543
20150308233
2015-10-29

Method and device for removing deposits from a formation fluid or gas transportation means

#544
20150308232
2015-10-29

DOWNHOLE CLEANING SYSTEM

#545
20150300142
2015-10-22

Method for enhanced fracture cleanup using redox treatment

#546
20150300127
2015-10-22

Device and method for well stimulation

#547
20150275600
2015-10-01

Method for sweeping solids or displacing a fluid in a wellbore

#548
20150260005
2015-09-17

Coupling, downhole device, assembly and method

#549
20150226046
2015-08-13

Wellbore desanding system

#550
20150226036
2015-08-13

PACKER PLUG RETRIEVAL TOOL AND RELATED METHODS

#551
20150226017
2015-08-13

Drilling assembly

#552
20150218911
2015-08-06

DEVICE FOR DECOLMATATION OF THE CRITICAL AREA OF EXPLOITATION AND INJECTION WELLS

#553
20150211316
2015-07-30

Petroleum well drill—or coiled tubing string mounted fishing tool

#554
20150204161
2015-07-23

Method of improving cleanout of a wellbore

#555
20150192000
2015-07-09

Magnetic cleaning tool

#556
20150152316
2015-06-04

Water based completion and displacement fluid and method of use

#557
20150144360
2015-05-28

Drill element and associated equipment and methods

#558
20150129215
2015-05-14

Method of treating a formation and method of temporarily isolating a first section of a wellbore from a second section of the wellbore

#559
20150122480
2015-05-07

Magnetic retrieval apparatus

#560
20150114665
2015-04-30

Mill with adjustable gauge diameter

#561
20150114654
2015-04-30

Slotted wellhead and multibowl polishing tool with woven polishing belt

#562
20150096749
2015-04-09

Method for removing contaminants from wastewater in hydraulic fracturing process

#563
20150090458
2015-04-02

Pulsating rotational flow for use in well operations

#564
20150075799
2015-03-19

Downhole debris retriever

#565
20150075794
2015-03-19

Nozzle assembly

#566
20150075557
2015-03-19

Cleaning Mechanisms for Optical Elements

#567
20150060040
2015-03-05

Downhole Cutting Tool Having A Jetted Top Bushing

#568
20150053399
2015-02-26

Systems and methods for cleaning a well face during formation testing operations

#569
20150047673
2015-02-19

Cryogenic cleaning methods for reclaiming and reprocessing oilfield tools

#570
20150039275
2015-02-05

Method for predicting changes in properties of a formation in a near-wellbore area exposed to a drilling mud

#571
20150027714
2015-01-29

Swelling debris barrier and methods

#572
20150007991
2015-01-08

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

#573
20140374157
2014-12-25

Clean out sub

#574
20140374111
2014-12-25

Downhole debris removal tool and methods of using same

#575
20140360725
2014-12-11

Junk basket with self clean assembly and methods of using same

#576
20140346157
2014-11-27

METHOD TO CONTROL THE ENVIRONMENT IN A LASER PATH

#577
20140338926
2014-11-20

Recovery Type Pipeline Service Pig

#578
20140332220
2014-11-13

POLYURETHANE ACTIVATOR-BREAKER FLUID SYSTEM

#579
20140326451
2014-11-06

Vortex plunger arrangement

#580
20140311748
2014-10-23

Apparatus and methods for inspecting and cleaning subsea flex joints

#581
20140305877
2014-10-16

Apparatuses and methods for generating shock waves for use in the energy industry

#582
20140305652
2014-10-16

Method and apparatus for removing liquid from a horizontal well

#583
20140299380
2014-10-09

Drill string tubular component

#584
20140290952
2014-10-02

Flameless Heating Method

#585
20140262300
2014-09-18

SCRUBBING DEBRIS FROM A BORED WELL

#586
20140262277
2014-09-18

Downhole tool for debris removal

#587
20140238684
2014-08-28

Debris evacuator for cleaning a masonry bore

#588
20140231546
2014-08-21

Development and rehabilitation of wells and springs by a rotary nozzle device with angle adjustable nozzles

#589
20140219828
2014-08-07

Cyclonic debris evacuation apparatus and method for a pump

#590
20140196954
2014-07-17

JETTING TOOL

#591
20140158357
2014-06-12

NOZZLE SELECTIVE PERFORATING JET ASSEMBLY

#592
20140144644
2014-05-29

Fluid-actuated downhole tool

#593
20140144618
2014-05-29

HYDRODYNAMIC PULSE TOOL

#594
20140124198
2014-05-08

Remote activated deflector

#595
20140124003
2014-05-08

Cryogenic cleaning methods for reclaiming and reprocessing oilfield tools

#596
20140116782
2014-05-01

METHOD AND APPARATUS FOR SHAPING A WELL HOLE

#597
20140116712
2014-05-01

Deburring mill tool for wellbore cleaning

#598
20140116705
2014-05-01

One trip packer plug debris milling and removal method

#599
20140096972
2014-04-10

Downhole magnet, downhole magnetic jetting tool and method of attachment of magnet pieces to the tool body

#600
20140093348
2014-04-03

Enhanced methods for handling tubulars useful during cleaning and inspection operations