ClassID:

135697

E21B47/065 - page 3 - CPC Classification

Classification description:

Recent Application in this class:
#601
20160160638
2016-06-09

Sandface liner with power, control and communication link via a tie back string

#602
20160160609
2016-06-09

Endothermic heat sink for downhole tools

#603
20160153276
2016-06-02

Multifunction end cap for coiled tube telemetry

#604
20160153244
2016-06-02

Instrumented rotary tools with attached cutters

#605
20160145974
2016-05-26

APPARATUS AND METHOD FOR POWER MANAGEMENT OF DOWNHOLE TOOL

#606
20160145972
2016-05-26

Wellbore completion assembly with real-time data communication apparatus

#607
20160138396
2016-05-19

Multi-probe reservoir sampling device

#608
20160138384
2016-05-19

Constant volume temperature to pressure transducer for use with retrievable pressure sensor assemblies

#609
20160130926
2016-05-12

Pulsed acoustic impact for facilitation of oil and gas extracting

#610
20160130906
2016-05-12

DESTRUCTIBLE FRAC-BALL AND DEVICE AND METHOD FOR USE THEREWITH

#611
20160123830
2016-05-05

Pass-throughs for use with sensor assemblies, sensor assemblies including at least one pass-through and related methods

#612
20160123140
2016-05-05

Oilfield operation using a drill string

#613
20160123117
2016-05-05

Method of treatment design and optimization of sequenced fracturing technique

#614
20160123111
2016-05-05

Autonomous active flow control valve system

#615
20160115777
2016-04-28

System and method for predicting the front arrival time in reservoir seismic monitoring

#616
20160108714
2016-04-21

Methods and systems for real-time monitoring and processing of wellbore data

#617
20160102520
2016-04-14

Structure with feed through

#618
20160097269
2016-04-07

Smart frac plug system and method

#619
20160090828
2016-03-31

Systems and methods for releasing methane from clathrates

#620
20160084081
2016-03-24

Method to perform hydrocarbon system analysis for exploration, production and development of hydrocarbons

#621
20160084073
2016-03-24

High temperature downhole gauge system

#622
20160084062
2016-03-24

APPARATUS AND METHOD FOR A RETRIEVABLE SEMI-PERMANENT MONITORING SYSTEM

#623
20160084047
2016-03-24

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

#624
20160076361
2016-03-17

Managing rotational information on a drill string

#625
20160061025
2016-03-03

METHOD FOR DETERMINING DOWNHOLE PRESSURE

#626
20160061018
2016-03-03

Conditional occlusion release device

#627
20160061015
2016-03-03

AXIALLY SEGMENTED DEPLETION OPERATIONS IN HORIZONTAL WELLS

#628
20160053571
2016-02-25

METHOD FOR LINING BOREHOLES FOR DEEP BORES AND DEVICE FOR CARRYING OUT SAID METHOD

#629
20160053566
2016-02-25

Method and apparatus for clearing a well bore

#630
20160053544
2016-02-25

METHOD FOR THE CHISEL-LESS FORMATION OF BOREHOLES FOR DEEP BORES AND CHISEL-LESS DRILLING SYSTEM FOR CARRYING OUT SAID METHOD

#631
20160047230
2016-02-18

Real-time data acquisition and interpretation for coiled tubing fluid injection operations

#632
20160047227
2016-02-18

Device for High-Temperature Applications

#633
20160025945
2016-01-28

Methods and cables for use in fracturing zones in a well

#634
20160025892
2016-01-28

Environmental monitoring of logging-while-drilling tool components

#635
20160024915
2016-01-28

System and method for downhole inorganic scale monitoring and intervention in a production well

#636
20160024902
2016-01-28

Methods and cables for use in fracturing zones in a well

#637
20160024887
2016-01-28

System for controlling temperature of subsea equipment

#638
20160017671
2016-01-21

Wellbore electrical isolation system

#639
20160010443
2016-01-14

Method for performing wellbore fracture operations using fluid temperature predictions

#640
20160003032
2016-01-07

MATRIX TEMPERATURE PRODUCTION LOGGING TOOL

#641
20160003017
2016-01-07

Producing hydrocarbons from a formation

#642
20150377008
2015-12-31

Assembly for measuring temperature of materials flowing through tubing in a well system

#643
20150377000
2015-12-31

Liquid or Hydrate Power System Applied To A Single Point Injection Gas Lift System

#644
20150376988
2015-12-31

Method of and system for drilling information management and resource planning

#645
20150361766
2015-12-17

Drilling turbine power generation

#646
20150354302
2015-12-10

Well instrumentation deployment past a downhole tool for in situ hydrocarbon recovery operations

#647
20150345254
2015-12-03

Downhole logging tool cooling device

#648
20150337651
2015-11-26

Reliable downhole data transmission system

#649
20150337643
2015-11-26

AN APPARATUS, SYSTEM AND METHOD FOR ACTUATING DOWNHOLE TOOLS IN SUBSEA DRILLING APPLICATIONS

#650
20150337599
2015-11-26

Monitoring a condition of a component in a rotating control device of a drilling system using embedded sensors

#651
20150330212
2015-11-19

SELF-POWERED MICROSENSORS FOR IN-SITU SPATIAL AND TEMPORAL MEASUREMENTS AND METHODS OF USING SAME IN HYDRAULIC FRACTURING

#652
20150330211
2015-11-19

System for measuring downhole parameters and a method of using same

#653
20150330203
2015-11-19

System and methods for estimation of intra-kerogen porosity of downhole formation samples from pyrolysis tests and basin modeling data

#654
20150330188
2015-11-19

Remotely controllable valve for well completion operations

#655
20150330167
2015-11-19

Systems and methods for monitoring and characterizing fluids in a subterranean formation using hookload

#656
20150322781
2015-11-12

System and method for analyzing cuttings using an opto-analytical device

#657
20150322773
2015-11-12

FLOW MANAGEMENT SYSTEM AND METHOD

#658
20150322772
2015-11-12

System and method for measuring temperature using an opto-analytical device

#659
20150322760
2015-11-12

MECHANICALLY ASSISTED FRACTURE INITIATION

#660
20150308259
2015-10-29

Method for monitoring physical parameters of well equipment

#661
20150300891
2015-10-22

Attenuation correction for distrbuted temperature sensors using antistokes to rayleigh ratio

#662
20150300161
2015-10-22

Down Hole Subsurface Wave System with Drill String Wave Discrimination and Method of Using Same

#663
20150300155
2015-10-22

Subsea sensor assemblies

#664
20150300151
2015-10-22

SYSTEM AND METHOD PROVIDING REAL-TIME ASSISTANCE TO DRILLING OPERATION

#665
20150293252
2015-10-15

Wireless logging of fluid filled boreholes

#666
20150275633
2015-10-01

Selectively actuated plungers and systems and methods including the same

#667
20150275622
2015-10-01

Time delay well flow control

#668
20150267522
2015-09-24

USE OF ELECTRICAL HEATING ELEMENTS FOR SAGD START-UP

#669
20150267487
2015-09-24

Method for assembly of well heaters

#670
20150267486
2015-09-24

Facility for assembly of well heaters

#671
20150267485
2015-09-24

Injection of heating cables with a coiled tubing injector

#672
20150267483
2015-09-24

Cable support system and method

#673
20150267475
2015-09-24

ROTATING JETTING DEVICE AND ASSOCIATED METHODS TO ENHANCE OIL AND GAS RECOVERY

#674
20150261224
2015-09-17

Well fluid exchange flow control

#675
20150260037
2015-09-17

Downhole drilling optimization collar with fiber optics

#676
20150252667
2015-09-10

Density measurement using a piezoelectric sensor in a non-compressible medium

#677
20150252665
2015-09-10

Sensor deployment system for a wellbore and methods of assembling the same

#678
20150247400
2015-09-03

Environment-based telemetry system

#679
20150247391
2015-09-03

AUTOMATED SUBCOOL CONTROL

#680
20150233773
2015-08-20

Devices and methods for measuring thermal flux and estimating rate of change of reactive material within a subsurface formation

#681
20150233211
2015-08-20

Cable-based well heater

#682
20150227649
2015-08-13

Wide frequency range modeling of electromagnetic heating for heavy oil recovery

#683
20150226062
2015-08-13

Systems and methods for localized well analysis and control

#684
20150226023
2015-08-13

Downhole tool and method for passing control line through tool

#685
20150219601
2015-08-06

Method of electromagnetic defectoscopy for multi-string wells and the electromagnetic downhole defectoscope

#686
20150218933
2015-08-06

Downhole drilling optimization collar with fiber optics

#687
20150211354
2015-07-30

Method of placing distributed pressure gauges across screens

#688
20150211331
2015-07-30

RETRIEVABLE FLOW MODULE UNIT

#689
20150198023
2015-07-16

SYSTEMS AND METHODS FOR PRODUCING VISCOUS HYDROCARBONS

#690
20150177042
2015-06-25

Method and system for multi-phase flow measurement

#691
20150176357
2015-06-25

Impact sensing during jarring operations

#692
20150167449
2015-06-18

Well Cable Management

#693
20150167437
2015-06-18

STIMULATION METHOD AND SYSTEM FOR ENHANCING OIL PRODUCTION

#694
20150167425
2015-06-18

Completion systems with a bi-directional telemetry system

#695
20150159481
2015-06-11

System, apparatus, and method for monitoring a subsea flow device

#696
20150159079
2015-06-11

METHODS AND COMPOSITIONS FOR CONFORMANCE CONTROL USING TEMPERATURE-TRIGGERED POLYMER GEL WITH MAGNETIC NANOPARTICLES

#697
20150146759
2015-05-28

Temperature sensing using distributed acoustic sensing

#698
20150144332
2015-05-28

Modeling the suspendability of fibers in a treatment fluid using equations

#699
20150144331
2015-05-28

Systems and methods for real-time evaluation of coiled tubing matrix acidizing

#700
20150135817
2015-05-21

Methods and apparatus for determining downhole fluid parameters

#701
20150120194
2015-04-30

High resolution distributed temperature sensing for downhole monitoring

#702
20150114631
2015-04-30

Monitoring Acid Stimulation Using High Resolution Distributed Temperature Sensing

#703
20150114629
2015-04-30

ELECTRICAL POWER DISTRIBUTION METHOD FOR A WIRELINE TOOL STRING DOWNHOLE

#704
20150107852
2015-04-23

Downhole control device

#705
20150107827
2015-04-23

Method for Determining A Filtration Velocity of Reservoir Fluids

#706
20150107825
2015-04-23

DOWNHOLE DEVICE FOR DATA ACQUISITION DURING HYDRAULIC FRACTURING OPERATION AND METHOD THEREOF

#707
20150098488
2015-04-09

Systems and methods for monitoring temperature using a magnetostrictive probe

#708
20150098487
2015-04-09

Magnetostrictive Dual Temperature and Position Sensor

#709
20150098486
2015-04-09

Assembly for measuring temperature of materials flowing through tubing in a well system

#710
20150096745
2015-04-09

Downhole monitoring using magnetostrictive probe

#711
20150096742
2015-04-09

Downhole fast-acting shut-in valve system

#712
20150090495
2015-04-02

Downhole temperature sensing of the fluid flow in and around a drill string tool

#713
20150090443
2015-04-02

Methods for estimating resource density using raman spectroscopy of inclusions in shale resource plays

#714
20150090442
2015-04-02

Chemical based well kickoff system for naturally flowing wells

#715
20150075802
2015-03-19

Method and Device for Subsea Sampling

#716
20150075783
2015-03-19

METHODS AND ELECTRICALLY-ACTUATED APPARATUS FOR WELLBORE OPERATIONS

#717
20150075780
2015-03-19

Multi-zone completion systems and methods

#718
20150013976
2015-01-15

INTELLIGENT WELL SYSTEM AND METHOD

#719
20150013970
2015-01-15

Sand control screen assembly with internal control lines

#720
20150007976
2015-01-08

Method and apparatus for permanent measurement of wellbore formation pressure from an in-situ cemented location

#721
20150007650
2015-01-08

SENSORS FOR MEASURING TEMPERATURE, PRESSURE TRANSDUCERS INCLUDING TEMPERATURE SENSORS AND RELATED ASSEMBLIES AND METHODS

#722
20140365130
2014-12-11

ESTIMATING FLOW RATES FROM MULTIPLE HYDROCARBON RESERVOIR LAYERS INTO A PRODUCTION WELL

#723
20140358444
2014-12-04

METHOD OF HYDRAULIC FRACTURE IDENTIFICATION USING TEMPERATURE

#724
20140345948
2014-11-27

Apparatuses and methods for determining temperature data of a component of an earth-boring drilling tool

#725
20140338439
2014-11-20

Method and apparatus for determining fluid flow characteristics

#726
20140330522
2014-11-06

System and Method for Measuring Formation Properties

#727
20140326063
2014-11-06

Virtual flowmeter for a well

#728
20140318234
2014-10-30

Well testing apparatus and methods for measuring the properties and performance of oil and gas wells

#729
20140311235
2014-10-23

Downhole quartz gauge with minimal electronics

#730
20140305637
2014-10-16

Downhole temperature calculation

#731
20140301426
2014-10-09

Temperature assessment using dielectric properties of an insulated conductor heater with selected electrical insulation

#732
20140291499
2014-10-02

Mining systems and methods

#733
20140290940
2014-10-02

Systems and methods for the evaluation of passive pressure containment barriers

#734
20140262244
2014-09-18

Apparatus and method for determining fluid interface proximate an electrical submersible pump and operating the same in response thereto

#735
20140251601
2014-09-11

Modeling acid distribution for acid stimulation of a formation

#736
20140245588
2014-09-04

Array temperature sensing method and system

#737
20140231142
2014-08-21

Drill bit systems with temperature sensors and applications using temperature sensor measurements

#738
20140216732
2014-08-07

HYDROCARBON RECOVERY CONTROL SYSTEM AND METHOD

#739
20140198827
2014-07-17

Temperature sensor

#740
20140182843
2014-07-03

THERMAL PROCESSES FOR SUBSURFACE FORMATIONS

#741
20140169131
2014-06-19

Thermoelastic logging

#742
20140157884
2014-06-12

Methods and apparatus for determining downhole parametes

#743
20140157882
2014-06-12

DISTRIBUTED TEMPERATURE SENSING WITH BACKGROUND FILTERING

#744
20140151032
2014-06-05

Methods and apparatus for determining downhole fluid parameters

#745
20140150546
2014-06-05

Methods and apparatus for analyzing operations

#746
20140130591
2014-05-15

Methods and Apparatus for Determining Downhole Parameters

#747
20140102695
2014-04-17

Methods and apparatus for determining fluid parameters

#748
20140083692
2014-03-27

Method for controlling fluid interface level in gravity drainage oil recovery processes with crossflow

#749
20140076546
2014-03-20

Single trip multi-zone drill stem test system

#750
20140076545
2014-03-20

Downhole Heater Assembly and Power Line Communications System

#751
20140034390
2014-02-06

System and method for simulation of downhole conditions in a well system

#752
20140007668
2014-01-09

High temperature downhole gauge system

#753
20130341008
2013-12-26

Thermal optical fluid composition detection

#754
20130327522
2013-12-12

FLUID DISTRIBUTION DETERMINATION AND OPTIMIZATION WITH REAL TIME TEMPERATURE MEASUREMENT

#755
20130308680
2013-11-21

Temperature sensor using an optical fiber

#756
20130292178
2013-11-07

Methods and systems for real-time monitoring and processing of wellbore data

#757
20130213644
2013-08-22

Method for signalling a downhole device in a well

#758
20130213128
2013-08-22

Multiple distributed force measurements

#759
20130206399
2013-08-15

Method for preheating an oil-saturated formation

#760
20130180710
2013-07-18

Carbon dioxide content of natural gas from other physical properties

#761
20130138348
2013-05-30

Method for determining the profile of an inflow and the parameters of a well-surrounding area in a multipay well

#762
20130119246
2013-05-16

Detector, preamplifier selection apparatus, systems, and methods

#763
20130087327
2013-04-11

System and methods for using dielectric properties of an insulated conductor in a subsurface formation to assess properties of the insulated conductor

#764
20130062122
2013-03-14

High temperature drilling with lower temperature rated tools

#765
20130041588
2013-02-14

Flow management system and method

#766
20120316788
2012-12-13

Formation testing planning and monitoring

#767
20120305315
2012-12-06

Oilfield operation using a drill string

#768
20120160496
2012-06-28

Method for controlling the downhole temperature during fluid injection into oilfield wells

#769
20120158307
2012-06-21

Downhole temperature probe array

#770
20120139746
2012-06-07

Self adaptive two dimensional filter for distributed sensing data

#771
20120132417
2012-05-31

Systems and methods for monitoring a well

#772
20120036924
2012-02-16

Method and apparatus for measuring fluid process variable in a well

#773
20120016587
2012-01-19

Resolution enhancement for subterranean well distributed optical measurements

#774
20110290326
2011-12-01

Flow control device and flow control method

#775
20100106421
2010-04-29

Distributed measurement of mud temperature

#776
20090236144
2009-09-24

Managed pressure and/or temperature drilling system and method

#777
20090210168
2009-08-20

Optical device for measuring a physical parameter in a hydrogen contaminated sensing zone

#778
20080137711
2008-06-12

Fiber optic sensing systems and methods

#779
15923290
2020-08-11

Real time flow analysis methods and continuous mass balance and wellbore pressure calculations from real-time density and flow measurements

#780
15702509
2018-07-03

Method for forecasting well production and determining ultimate recoveries using bubble point decline curve analysis

#781
15618890
2019-10-29

Reduced-physics, data-driven secondary recovery optimization

#782
15298041
2017-04-25

Kick information identification apparatus and method assisted for wellbore pressure control during horizontal drilling

#783
15270376
2017-08-15

Integrated subsea power distribution system with flowline direct electrical heating and pressure boosting and methods for using

#784
15178178
2017-08-29

Method for determining position with improved calibration

#785
14958205
2020-03-10

Shale gas extraction system

#786
14629413
2018-03-06

Well monitoring and pressure controlled landfill pump

#787
14627939
2016-03-22

Select fire switch form factor system and method

#788
14627904
2018-06-05

System and method for installing a power line in a well

#789
14627732
2018-03-13

Downhole powered device system