ClassID:

135696

E21B47/06 - page 3 - CPC Classification

Classification description:

Survey of boreholes or wells Measuring temperature or pressure

Recent Application in this class:
#601
20220011930
2022-01-13

BLOWOUT PREVENTER SYSTEM WITH DATA PLAYBACK

#602
20220010676
2022-01-13

System and method of intelligent electrical completion in reservoirs that allow open-hole completion

#603
20220010674
2022-01-13

Intelligent water invasion tracking and early warning method for water-gas reservoirs

#604
20220010672
2022-01-13

THE METHOD OF DETERMINING A PRODUCTION WELL FLOW PROFILE, INCLUDING DETERMINATION OF HYDRODYNAMIC CHARACTERISTICS OF RESERVOIR PAY ZONE

#605
20220010669
2022-01-13

MARGINAL WELL MONITORING AND CONTROL SYSTEMS AND METHODS

#606
20220010655
2022-01-13

OPTIMIZING WASTE SLURRY DISPOSAL IN FRACTURED INJECTION OPERATIONS

#607
20220010637
2022-01-13

Floating ball pressure sensor

#608
20220010636
2022-01-13

Managed pressure drilling system and method

#609
20220008973
2022-01-13

Devices and techniques relating to landfill gas extraction

#610
20220008972
2022-01-13

Devices and techniques relating to landfill gas extraction

#611
20220008971
2022-01-13

DEVICES AND TECHNIQUES RELATING TO LANDFILL GAS EXTRACTION

#612
20220006352
2022-01-06

Magnetic supporting of thrust load for downhole-type artificial lift system

#613
20220003071
2022-01-06

Smart choke valve to assess and regulate production flow

#614
20220003044
2022-01-06

Wired downhole adjustable mud motors

#615
20220003043
2022-01-06

Using solenoid characteristics for performance diagnostics on rotary steerable systems

#616
20210404845
2021-12-30

Subsea housing assembly

#617
20210404332
2021-12-30

Formation testing and sampling tool for stimulation of tight and ultra-tight formations

#618
20210404295
2021-12-30

Method and device for exploiting natural gas hydrate from marine rock

#619
20210404269
2021-12-30

Systems and methods for indicating completion of a reverse cementing operation

#620
20210396906
2021-12-23

Determining gas-oil and oil-water shut-in interfaces for an undulating well

#621
20210396115
2021-12-23

Stage profiles for operations of hydraulic systems and associated methods

#622
20210396113
2021-12-23

METHOD AND SYSTEM FOR COMPLETING A WELL

#623
20210396106
2021-12-23

Non-condensable gas management during production of in-situ hydrocarbons

#624
20210396101
2021-12-23

Smart fracturing plug with fracturing sensors

#625
20210396100
2021-12-23

Method and apparatus for temporary injection using a dynamically positioned vessel

#626
20210396095
2021-12-23

Monitoring oil health in subsurface safety valves

#627
20210396083
2021-12-23

Method for perforation clusters stimulation efficiency determination

#628
20210388718
2021-12-16

METHODS OF DETERMINING BOREHOLE CHARACTERISTICS

#629
20210388708
2021-12-16

Sheath encapsulation to convey acid to formation fracture

#630
20210388704
2021-12-16

Hydraulic fracturing systems and methods

#631
20210388701
2021-12-16

Hydrocarbon recovery with magnetically coupled conducting surface

#632
20210388692
2021-12-16

Isolation of well section

#633
20210388687
2021-12-16

Perforating gun brake and set device and method

#634
20210381373
2021-12-09

Systems and methods for transient testing of hydrocarbon wells

#635
20210381363
2021-12-09

RELATIVE PERMEABILITY ESTIMATION METHODS AND SYSTEMS EMPLOYING DOWNHOLE PRESSURE TRANSIENT ANALYSIS, SATURATION ANALYSIS, AND POROSITY ANALYSIS

#636
20210381354
2021-12-09

Geomechanical applications using Biots coefficient based on advanced downhole logging measurements

#637
20210372977
2021-12-02

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

#638
20210372272
2021-12-02

Surface completion system for operations and monitoring

#639
20210372267
2021-12-02

SENSING DEVICE, SYSTEM AND METHOD FOR USE IN CIVIL ENGINEERING

#640
20210372262
2021-12-02

Method and system for optimizing field development

#641
20210372260
2021-12-02

Crowding avoidance apparatus and method

#642
20210372251
2021-12-02

Subterranian hydrocarbon reservoir treatment method using wellbore heating

#643
20210372250
2021-12-02

Method for recovering hydrocarbons from a wellbore using a conducting element with winding transformer

#644
20210372249
2021-12-02

Method for detecting liquid condensation and recovering hydrocarbons

#645
20210372248
2021-12-02

Natural gas extraction using renewable energy

#646
20210372246
2021-12-02

Optimization technique for CO2-EOR miscibility management in an oil reservoir

#647
20210364669
2021-11-25

MULTI-WELL INTERFERENCE CONTROL AND MITIGATION

#648
20210363832
2021-11-25

Selectable hole trimmer and methods thereof

#649
20210357777
2021-11-18

Integrated advanced visualization tool for geosteering underbalanced coiled tubing drilling operations

#650
20210356371
2021-11-18

Testing wear resistance in representative downhole conditions

#651
20210355824
2021-11-18

Method of assessing an oil recovery process

#652
20210355818
2021-11-18

Downhole barrier and isolation monitoring system

#653
20210355814
2021-11-18

Effective wellbore compressibility determination apparatus, methods, and systems

#654
20210355813
2021-11-18

Systems and methods of determining pressure wave exposure

#655
20210355785
2021-11-18

Smart choke valve to regulate well sand production

#656
20210349237
2021-11-11

Dynamic hydrocarbon well skin modeling and operation

#657
20210349236
2021-11-11

Logging and correlation prediction plot in real-time

#658
20210348505
2021-11-11

Analysis of well operations using wellhead data

#659
20210348501
2021-11-11

Apparatus for obtaining wellbore pressure measurements

#660
20210348493
2021-11-11

Methodology to maximize net reservoir contact for underbalanced coiled tubing drilling wells

#661
20210348491
2021-11-11

System and method to optimize pumping

#662
20210348484
2021-11-11

Well intervention-less control of perforation formation and isolation

#663
20210348461
2021-11-11

Safe dynamic handover between managed pressure drilling and well control

#664
20210340866
2021-11-04

Logging tool with 4D printed sensing system

#665
20210340849
2021-11-04

Determining the integrity of an isolated zone in a wellbore

#666
20210340428
2021-11-04

System and method for optimized production of hydrocarbons from shale oil reservoirs via cyclic injection

#667
20210340426
2021-11-04

Temporary blockage of fluid boundary between higher and lower fluid conductivity formations

#668
20210333186
2021-10-28

Vortex fluid sensing to determine fluid properties

#669
20210332698
2021-10-28

Kick detection using logging while drilling

#670
20210332694
2021-10-28

Method to predict overpressure uncertainty from normal compaction trendline uncertainty

#671
20210332684
2021-10-28

Real-time diversion control for stimulation treatments using tortuosity and step-down analysis

#672
20210332652
2021-10-28

System and method for automated well annulus pressure control

#673
20210324847
2021-10-21

Method and system of slow rate pumping

#674
20210324731
2021-10-21

Method for estimating a pore pressure value in geological formations to be drilled by a drilling apparatus

#675
20210324730
2021-10-21

Tubing condition monitoring

#676
20210324704
2021-10-21

Designing a wellbore cement sheath in compacting or subsiding formations

#677
20210318461
2021-10-14

Gas pressure measurement within cased wellbore systems and methods

#678
20210317736
2021-10-14

SYSTEMS AND METHODS FOR MONITORING AND CONTROLLING TANK PRESSURE AND RELATED COMPONENTRY

#679
20210317724
2021-10-14

Self-destructible frac ball enclosed within a destructible ball retainer

#680
20210317719
2021-10-14

Inverted diffuser for abrasive slurry flow with sensor for internal damages

#681
20210317714
2021-10-14

Monobore drilling methods with managed pressure drilling

#682
20210317713
2021-10-14

APPARATUS AND METHOD FOR EARLY KICK DETECTION AND LOSS OF DRILLING MUD IN OILWELL DRILLING OPERATIONS

#683
20210317712
2021-10-14

Monitoring, prevention and management method for preventing drilling pump from pump suffocation and misoperation, and pump pressure protection system therefor

#684
20210310319
2021-10-07

Reducing wellbore annular pressure with a release system

#685
20210302405
2021-09-30

Automated real-time water cut testing and multiphase flowmeter calibration advisory

#686
20210301659
2021-09-30

Automated well productivity estimation and continuous average well pressure monitoring through integration of real-time surface and downhole pressure and temperature measurements

#687
20210301653
2021-09-30

System and method for deploying fiber optics lines in a wellbore

#688
20210293143
2021-09-23

Interpretation of pumping pressure behavior and diagnostic for well perforation efficiency during pumping operations

#689
20210293141
2021-09-23

Chemical injection system for a resource extraction system

#690
20210293140
2021-09-23

Fluid flow condition sensing probe

#691
20210293131
2021-09-23

Drill pipe segment life monitor

#692
20210293128
2021-09-23

System and method for detecting a mode of drilling

#693
20210293106
2021-09-23

Methods and systems for mapping a wellbore for refracturing

#694
20210285323
2021-09-16

HYDRAULIC FRACTURE PROXIMITY DETECTION USING STRAIN MEASUREMENTS

#695
20210285322
2021-09-16

Using fiber-optic distributed sensing to optimize well spacing and completion designs for unconventional reservoirs

#696
20210285318
2021-09-16

Pressure sensing plug for wellhead/Xmas tree

#697
20210285296
2021-09-16

Energized ring valve

#698
20210278106
2021-09-09

Flow control in geothermal wells

#699
20210277772
2021-09-09

Calculating energy based net pressure and corresponding discharge area observed during hydraulic stimulation processes

#700
20210277770
2021-09-09

Method and apparatus for testing the blowout preventer (BOP) on a drilling rig

#701
20210277769
2021-09-09

Real time estimation of fracture geometry from the poro-elastic response measurements

#702
20210277762
2021-09-09

Systems and methods for determining mud weight window during wellbore drilling

#703
20210277760
2021-09-09

Enhancing subterranean formation stimulation and production using target downhole wave shapes

#704
20210277747
2021-09-09

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

#705
20210277738
2021-09-09

Method and apparatus for sacrificial wellhead protector and testing adapter

#706
20210272591
2021-09-02

System and method for drilling a borehole

#707
20210272590
2021-09-02

System and method for drilling a borehole

#708
20210270126
2021-09-02

Systems and methods for imaging a proppant in a hydraulically-fractured oil reservoir

#709
20210270113
2021-09-02

Calibrating A Geomodel Using Fracture-To-Fracture Interactions

#710
20210270107
2021-09-02

Overpressure toe valve with atmospheric chamber

#711
20210270105
2021-09-02

Side packer for a blowout preventer

#712
20210263008
2021-08-26

Methods and systems for estimation of oil formation volume factor

#713
20210262341
2021-08-26

Inversion calculation method of coal-bed gas parameters of fast test while-drilling

#714
20210262302
2021-08-26

Plug setting tool

#715
20210255361
2021-08-19

SYSTEMS AND METHODS FOR OPTIMUM SUBSURFACE SENSOR USAGE

#716
20210254456
2021-08-19

System and method to deploy and control autonomous devices

#717
20210254451
2021-08-19

Automated downhole leak detection and prediction in water injection wells

#718
20210254433
2021-08-19

Wireless activation of wellbore completion assemblies

#719
20210254432
2021-08-19

Method and system for electrical control of downhole well tool

#720
20210247661
2021-08-12

High temperature high pressure (HTHP) cell in sum frequency generation (SFG) spectroscopy for liquid/liquid interface analysis

#721
20210246782
2021-08-12

Apparatus and method for performing formation stress testing in an openhole section of a borehole

#722
20210246781
2021-08-12

BARRIER MANAGEMENT SYSTEM

#723
20210246780
2021-08-12

Reservoir logging and pressure measurement for multi-reservoir wells

#724
20210246770
2021-08-12

Hybrid gas lift system

#725
20210246747
2021-08-12

METHOD AND APPARATUS TO RECOVER CORES FROM DOWNHOLE ENVIRONMENTS

#726
20210239000
2021-08-05

Contamination prediction of downhole pumpout and sampling

#727
20210238999
2021-08-05

Reservoir characterization with directional permeability

#728
20210238982
2021-08-05

Modular fracking ball assembly and method(s) of use thereof

#729
20210238978
2021-08-05

Using active actuation for downhole fluid identification and cement barrier quality assessment

#730
20210238955
2021-08-05

Method for controlling toe-end sliding sleeve of horizontal well based on efficient decoding communication

#731
20210238938
2021-08-05

METHOD TO MEASURE AND PREDICT DOWNHOLE RHEOLOGICAL PROPERTIES

#732
20210231835
2021-07-29

Cluster efficiency operation control

#733
20210231830
2021-07-29

Detecting changes in an environmental condition along a wellbore

#734
20210231011
2021-07-29

Fracture complexity operation control

#735
20210231009
2021-07-29

WELLBORE INTERFERENCE OPERATION CONTROL

#736
20210231002
2021-07-29

Determining downhole properties with sensor array

#737
20210231001
2021-07-29

Method and system for performing formation fluid test, involves performing second test with second set of tool parameters and comparing

#738
20210230992
2021-07-29

Fracturing control

#739
20210230984
2021-07-29

Perforating gun

#740
20210230966
2021-07-29

Drilling choke with matched actuator

#741
20210222543
2021-07-22

Estimating natural fracture properties based on production from hydraulically fractured wells

#742
20210222535
2021-07-22

Pulse hydraulic fracturing tool and method for coiled tubing dragging with bottom packer

#743
20210222532
2021-07-22

Method for optimization of huff-n-puff gas injection in hydrocarbon reservoirs

#744
20210222527
2021-07-22

Riser surge protection system

#745
20210222515
2021-07-22

Bi-directional downhole valve

#746
20210215033
2021-07-15

Method and system for performing pressure test by determining formation parameter from pressure test where stabilizer is activated into surface of wellbore which is placed on formation testing tool

#747
20210215023
2021-07-15

System, method, and device for monitoring a parameter downhole

#748
20210207478
2021-07-08

Downhole tool with filtration device

#749
20210207476
2021-07-08

DOWNHOLE ROBOTIC ARM

#750
20210207472
2021-07-08

FLOW METER APPARATUS

#751
20210199006
2021-07-01

Hydraulic pressure testing system, and method of testing tubular products

#752
20210198997
2021-07-01

Downhole active torque control method

#753
20210198992
2021-07-01

SYSTEMS AND METHODS FOR FLUID END HEALTH MONITORING

#754
20210198981
2021-07-01

Intelligent completion control in reservoir modeling

#755
20210198975
2021-07-01

Sensor controlled downhole valve

#756
20210189875
2021-06-24

Estimating a formation index using pad measurements

#757
20210189871
2021-06-24

DOWNHOLE COMMUNICATION SYSTEM

#758
20210189862
2021-06-24

Method for determining hydraulic fracture orientation and dimension

#759
20210189822
2021-06-24

Wellhead assembly and test sealing architecture

#760
20210180445
2021-06-17

Method and system to determine variations in a fluidic channel

#761
20210180405
2021-06-17

Automatic force adjustment control system for mobile drilling machines

#762
20210172281
2021-06-10

Deploying wellbore patch for mitigating lost circulation

#763
20210172272
2021-06-10

Rotating choke assembly

#764
20210165126
2021-06-03

Method for improved recovery in ultra-tight reservoirs based on diffusion

#765
20210164340
2021-06-03

Method and apparatus for automated pressure integrity testing (APIT)

#766
20210164337
2021-06-03

Rod pump system diagnostics and analysis

#767
20210164333
2021-06-03

Method and criteria for trajectory control

#768
20210164305
2021-06-03

DRILLING FLUID MEASUREMENTS USING ACTIVE GAS DILUTION

#769
20210156236
2021-05-27

Well stimulation operations

#770
20210156227
2021-05-27

System and method for operating inflow control devices

#771
20210148223
2021-05-20

Position sensing for downhole electronics

#772
20210148219
2021-05-20

Restriction system for tracking downhole devices with unique pressure signals

#773
20210148216
2021-05-20

Downhole dynamometer

#774
20210148200
2021-05-20

Processes and systems for injection of a liquid and gas mixture into a well

#775
20210148196
2021-05-20

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

#776
20210140314
2021-05-13

Method for evaluating gas well productivity with eliminating influence of liquid loading

#777
20210140312
2021-05-13

Monitoring and targeted re-fracturing design based on acoustic fracture measurements

#778
20210140311
2021-05-13

Method and device for obtaining measurements of downhole properties in a subterranean well

#779
20210140308
2021-05-13

Electromagnetic telemetry transmitter apparatus and mud pulse-electromagnetic telemetry assembly

#780
20210140288
2021-05-13

Method for fluid flow optimization in a wellbore

#781
20210140286
2021-05-13

SYSTEMS AND METHODS OF REMOVING STAGNANT LIQUID FROM A HYDROCARBON WELL

#782
20210140249
2021-05-13

Methods for cleaning drill pipe during trip-out

#783
20210133367
2021-05-06

Optimized visualization of loads and resistances for wellbore tubular design

#784
20210131951
2021-05-06

Multivariate statistical contamination prediction using multiple sensors or data streams

#785
20210131281
2021-05-06

Estimation of a downhole fluid property distribution

#786
20210131277
2021-05-06

Combined wireline and wireless apparatus and related methods

#787
20210131273
2021-05-06

METHOD FOR MEASURING INDIVIDUAL FRACTURE NEAR-WELLBORE CHARACTERISTICS IN A COMMINGLED MULTI-FRACTURED WELL

#788
20210131251
2021-05-06

Real-time optimization of stimulation treatments for multistage fracture stimulation

#789
20210131235
2021-05-06

System and method for selecting fluid systems for hydraulic fracturing

#790
20210131224
2021-05-06

Device and method to trigger, shift, and/or operate a downhole device of a drilling string in a wellbore

#791
20210123332
2021-04-29

Method for natural gas recovery from subterranean hydrocarbon reservoirs

#792
20210115785
2021-04-22

Inflow detection using DTS features

#793
20210115784
2021-04-22

Completion and production apparatus and methods employing pressure and/or temperature tracers

#794
20210115782
2021-04-22

Safety variable frequency drive for preventing over pressurization of a piping network

#795
20210115767
2021-04-22

System and method for wireless control of well bore equipment

#796
20210115765
2021-04-22

Assessing a downhole state of perforating explosives

#797
20210115748
2021-04-22

TOPICAL COMPOSITIONS AND METHODS OF TREATMENT

#798
20210109488
2021-04-15

Method of, and a system for, drilling to a position relative to a geological boundary

#799
20210109251
2021-04-15

Determination of a surface leak rate in an injection well

#800
20210108505
2021-04-15

Systems and methods for enthalpy monitoring of a fluid

#801
20210108496
2021-04-15

Method for remediation of subterranean-formed metal-polymer complexes using peracetic acid

#802
20210108488
2021-04-15

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

#803
20210108146
2021-04-15

ADDITIVE MANAGEMENT SYSTEM

#804
20210108129
2021-04-15

Energized natural gas foam delivery devices and methods

#805
20210102597
2021-04-08

Magnetorheological dampener system for protecting well equipment

#806
20210102450
2021-04-08

Method and apparatus for producing well with backup gas lift and an electrical submersible well pump

#807
20210096277
2021-04-01

Evaluating Production Performance For A Wellbore While Accounting For Subterranean Reservoir Geomechanics And Wellbore Completion

#808
20210096010
2021-04-01

Flow measurement

#809
20210095558
2021-04-01

Real time monitoring of fracture driven interference

#810
20210095556
2021-04-01

Environmental compensation system for downhole oilwell tools

#811
20210095544
2021-04-01

Lifting condensate from wellbores

#812
20210087928
2021-03-25

Flow monitoring tool

#813
20210087923
2021-03-25

Systems and Methods for Draw Down Improvement in Wellbores

#814
20210087922
2021-03-25

Systems and methods for predicting a screen-out condition in an earthen formation

#815
20210087912
2021-03-25

Slurry analysis system using flow restriction

#816
20210087905
2021-03-25

Downhole apparatus and method for delivering settable material

#817
20210087904
2021-03-25

Nano-thermite well plug

#818
20210087903
2021-03-25

Pulsing fracing apparatus and methodology

#819
20210081710
2021-03-18

System and method for treatment optimization

#820
20210079788
2021-03-18

Systems and methods for estimating hydraulic fracture surface area

#821
20210079783
2021-03-18

Instrumented couplings

#822
20210079780
2021-03-18

Devices, systems, and methods for wireless data acquisition during drilling operations

#823
20210079771
2021-03-18

Reciprocating downhole pump

#824
20210079770
2021-03-18

Method of wellbore operations

#825
20210079754
2021-03-18

Automation of packer inflation

#826
20210073342
2021-03-11

Calibrating a diversion model for a hydraulic fracturing well system

#827
20210073314
2021-03-11

Predicting material distribution in a hydraulic fracturing treatment stage

#828
20210071523
2021-03-11

Suspended fluid sampling and monitoring

#829
20210062646
2021-03-04

Dynamically modeling a hydraulic fracture

#830
20210062644
2021-03-04

Mud pulse transmission time delay correction

#831
20210062627
2021-03-04

Systems and methods for operating downhole inflow control valves to provide sufficient pump intake pressure

#832
20210062622
2021-03-04

Liner hanger with a test packer for wellbore operations

#833
20210055146
2021-02-25

Multiphase flow metering system for horizontal well compartments

#834
20210054738
2021-02-25

Methods for predicting properties of clean formation fluid using real time downhole fluid analysis of contaminated samples

#835
20210054730
2021-02-25

Drill strings with probe deployment structures, hydrocarbon wells that include the drill strings, and methods of utilizing the drill strings

#836
20210054718
2021-02-25

Pumpdown regulator

#837
20210054703
2021-02-25

Apparatus and method for early kick detection and loss of drilling mud in oilwell drilling operations

#838
20210048547
2021-02-18

METHOD FOR DETERMINING THE CHARACTERISTIC PARAMETERS OF STIMULATION INTERVALS OF MULTI-STAGE FRACTURED HORIZONTAL WELL IN UNCONVENTIONAL OIL AND GAS RESERVOIR

#839
20210048293
2021-02-18

Method of calculating etching profile of acid-etched fracture system considering complex filtration media

#840
20210047912
2021-02-18

Detection of a barrier behind a wellbore casing

#841
20210041591
2021-02-11

Determination of geologic permeability correlative with magnetic permeability measured in-situ

#842
20210040841
2021-02-11

Method to determine adjacent well communication

#843
20210040836
2021-02-11

Lubrication system for a plunger/packing set of a fluid end

#844
20210040818
2021-02-11

System and methodology for monitoring in an injection well

#845
20210040815
2021-02-11

Electrohydraulic quick union for subsea landing string

#846
20210033739
2021-02-04

Translatable eat sensing modules and associated measurement methods

#847
20210032984
2021-02-04

Method and system for monitoring a wellbore object using a reflected pressure signal

#848
20210032980
2021-02-04

Methods to monitor a metallic sealant deployed in a wellbore, methods to monitor fluid displacement, and downhole metallic sealant measurement systems

#849
20210032979
2021-02-04

Depth and distance profiling with fiber optic cables and fluid hammer

#850
20210032978
2021-02-04

METHOD OF DETERMINING DEPTHS OF WELLBORE REFLECTORS

#851
20210032977
2021-02-04

Acoustic testing of core samples

#852
20210032972
2021-02-04

Parallel multiscale reservoir simulation

#853
20210032939
2021-02-04

DEVICE FOR A COUPLING BOX PORTION OF A STEEL TUBE INTENDED FOR USE IN A TUBULAR HYDROCARBON WORKING STRING

#854
20210025274
2021-01-28

System to determine existing fluids remaining saturation in homogeneous and/or naturally fractured reservoirs

#855
20210018653
2021-01-21

Logging and correlation prediction plot in real-time

#856
20210017858
2021-01-21

LOCALLY LUMPED EQUATION OF STATE FLUID CHARACTERIZATION IN RESERVOIR SIMULATION

#857
20210017853
2021-01-21

Real-time analysis of in-field collected well fracturing data

#858
20210017852
2021-01-21

Monitoring a fracture in a hydrocarbon well

#859
20210017849
2021-01-21

Anti-jam control system for mobile drilling machines

#860
20210017845
2021-01-21

Recurrent neural network model for bottomhole pressure and temperature in stepdown analysis

#861
20210010368
2021-01-14

Method and apparatus for determining oil-gas-water interface based on formation pressure equivalent density

#862
20210010365
2021-01-14

Integrated well construction system operations

#863
20210010359
2021-01-14

Hydraulic fracturing modelling and control

#864
20210010357
2021-01-14

METHOD FOR DEVELOPING A HYDROCARBON RESERVOIR BY INJECTING A GAS IN THE FORM OF FOAM

#865
20210010338
2021-01-14

Hierarchical pressure management for managed pressure drilling operations

#866
20210010337
2021-01-14

Method and apparatus for distributed flow/seismic profiling and external support device

#867
20210003742
2021-01-07

Simulation method for flow field of multi-stage fracturing on horizontal well in tight oil reservoir

#868
20210003003
2021-01-07

Drill stem testing

#869
20210002999
2021-01-07

Method for calculating single-well controlled reserve of low-permeability/tight gas reservoir and analyzing residual gas thereof

#870
20210002995
2021-01-07

Integrated well construction system operations

#871
20200408951
2020-12-31

Well fracture modelling

#872
20200408058
2020-12-31

Blowout preventer control system and methods for controlling a blowout preventer

#873
20200407625
2020-12-31

Overpressure mitigation systems for hydraulic fracturing

#874
20200400017
2020-12-24

Contamination prediction of downhole pumpout and sampling

#875
20200400011
2020-12-24

Sonde with integral pressure sensor and method

#876
20200400009
2020-12-24

Downhole and near wellbore reservoir state inference through automated inverse wellbore flow modeling

#877
20200399983
2020-12-24

Well fluid flow control choke

#878
20200398312
2020-12-24

Screen break detector

#879
20200392843
2020-12-17

Downhole hydrogen sulfide capture and measurement

#880
20200392842
2020-12-17

Method for determining vertical well stratified fracturing crack lengths based on interlayer equilibrium displacement

#881
20200392834
2020-12-17

Well pump diagnostics using multi-physics sensor data

#882
20200392816
2020-12-17

HIPS proof testing in offshore or onshore applications

#883
20200392790
2020-12-17

Rotary steerable tool with proportional control valve

#884
20200386097
2020-12-10

Sequential estimation while drilling

#885
20200386093
2020-12-10

Process for infill well development in a subsurface reservoir

#886
20200386086
2020-12-10

Inflow control including fluid separation features

#887
20200386073
2020-12-10

SUBSURFACE FLOW CONTROL FOR DOWNHOLE OPERATIONS

#888
20200386066
2020-12-10

Drilling system and method using calibrated pressure losses

#889
20200378814
2020-12-03

Gas meter and associated methods

#890
20200378248
2020-12-03

Automated filtering and normalization of logging data for improved drilling performance

#891
20200378242
2020-12-03

Downhole plugs including a sensor, hydrocarbon wells including the downhole plugs, and methods of operating hydrocarbon wells

#892
20200378241
2020-12-03

Mechanical casing perforation locator and methods of using same

#893
20200378239
2020-12-03

Setting two or more probes in a borehole for determining a one stop formation pressure gradient in the formation

#894
20200378238
2020-12-03

Pressure measurement supercharging mitigation

#895
20200370428
2020-11-26

Caliper-behind-casing from pulsed neutron apparatus

#896
20200370427
2020-11-26

System and method for surface to downhole communication without flow

#897
20200370418
2020-11-26

Methods and systems for flagging events in a time series and evaluating a downhole operation

#898
20200370417
2020-11-26

Beacon housing lid with built-in pressure sensor

#899
20200370402
2020-11-26

SINGLE HORIZONTAL WELL GRAVITY OIL DRAINAGE PRODUCTION DEVICE AND METHOD OF USING DOWNHOLE STEAM GENERATION

#900
20200370397
2020-11-26

Method of optimizing operation one or more tubing strings in a hydrocarbon well, apparatus and system for same