ClassID:

135731

E21B49/08 - page 4 - CPC Classification

Classification description:

Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells Obtaining fluid samples or testing fluids, in boreholes or wells

Recent Application in this class:
#901
20140202690
2014-07-24

Method and apparatus for characterizing fluid channeling through a cement formation interface of a subterranian wellbore

#902
20140200810
2014-07-17

Methods for reservoir evaluation employing non-equilibrium compositional gradients

#903
20140196532
2014-07-17

Apparatus and method for obtaining formation fluid samples utilizing a sample clean-up device

#904
20140193153
2014-07-10

Methods and apparatus to multiplex light signals

#905
20140175271
2014-06-26

Remote sensing methods and systems using nonlinear light conversion and sense signal transformation

#906
20140174169
2014-06-26

Apparatus and method for obtaining formation fluid samples

#907
20140166871
2014-06-19

Systems and methods for measuring fluid additive concentrations for real time drilling fluid management

#908
20140157884
2014-06-12

Methods and apparatus for determining downhole parametes

#909
20140157877
2014-06-12

Downhole determination of asphaltene content

#910
20140151039
2014-06-05

Expandable filtering system for single packer systems

#911
20140151038
2014-06-05

Apparatus and method for obtaining formation fluid samples

#912
20140151032
2014-06-05

Methods and apparatus for determining downhole fluid parameters

#913
20140150546
2014-06-05

Methods and apparatus for analyzing operations

#914
20140136126
2014-05-15

Multi-phase ultrasonic pipe flow meter

#915
20140131037
2014-05-15

Method and apparatus for determining efficiency of a sampling tool

#916
20140131031
2014-05-15

Filtration system and method for a packer

#917
20140131029
2014-05-15

While drilling valve system

#918
20140121976
2014-05-01

Apparatus and method for determination of formation bubble point in downhole tool

#919
20140105446
2014-04-17

Determining wellbore fluid properties

#920
20140102714
2014-04-17

Drilling tool system and method of manufacture

#921
20140102695
2014-04-17

Methods and apparatus for determining fluid parameters

#922
20140096955
2014-04-10

Determining fluid composition downhole from optical spectra

#923
20140088874
2014-03-27

CLOUD COMPUTING SYSTEM FOR SAMPLING FLUID FROM A WELL WITH A GAS TRAP

#924
20140069184
2014-03-13

Passive sampling device and method of sampling and analysis

#925
20140060824
2014-03-06

Reducing differential sticking during sampling

#926
20140060821
2014-03-06

Downhole x-ray source fluid identification system and method

#927
20140060811
2014-03-06

Downhole elastomeric components including barrier coatings

#928
20140058686
2014-02-27

Natural fracture injection test

#929
20140042323
2014-02-13

Method and apparatus to use multiple spectroscopic envelopes to determine components with greater accuracy and dynamic range

#930
20140041463
2014-02-13

Apparatus for a fluid transport pipeline, related method and system

#931
20140034300
2014-02-06

Method and arrangement to establish during down-the-hole drilling communication between the cavity of the drill string and the surrounding material

#932
20140027112
2014-01-30

Systems and methods for measuring parameters of a formation

#933
20140027105
2014-01-30

Apparatus and method for representative fluid sampling

#934
20140020890
2014-01-23

Sampling assembly for a single packer

#935
20140014331
2014-01-16

METHOD AND TOOL FOR EVALUATING A GEOLOGICAL FORMATION

#936
20130340518
2013-12-26

Downhole formation fluid contamination assessment

#937
20130325351
2013-12-05

Smart flowback alarm to detect kicks and losses

#938
20130314709
2013-11-28

Optical data transformation

#939
20130312481
2013-11-28

FLUID PROPERTIES INCLUDING EQUATION OF STATE MODELING WITH OPTICAL CONSTRAINTS

#940
20130311099
2013-11-21

Method and apparatus for evaluating fluid sample contamination by using multi sensors

#941
20130306309
2013-11-21

Single packer system for fluid management in a wellbore

#942
20130284901
2013-10-31

Methods and devices for optically determining a characteristic of a substance

#943
20130284443
2013-10-31

Sampling assembly for a well

#944
20130270006
2013-10-17

Drilling rig with continuous gas analysis

#945
20130239671
2013-09-19

PRESSURE-CORRECTED DENSITY OF A FLUID

#946
20130239664
2013-09-19

Fluid density from downhole optical measurements

#947
20130220594
2013-08-29

TUBE-IN-TUBE DEVICE USEFUL FOR SUBSURFACE FLUID SAMPLING AND OPERATING OTHER WELLBORE DEVICES

#948
20130219997
2013-08-29

Systems and methods of determining fluid properties

#949
20130213711
2013-08-22

Apparatus and method for protecting devices downhole

#950
20130213643
2013-08-22

Consolidating Spacer Fluids and Methods of Use

#951
20130213149
2013-08-22

Isothermal subsea sampling system and method

#952
20130199847
2013-08-08

Instrumented core barrel apparatus and associated methods

#953
20130199286
2013-08-08

Non-invasive compressibility and in situ density testing of a fluid sample in a sealed chamber

#954
20130197809
2013-08-01

Reconstructing dead oil

#955
20130192359
2013-08-01

Formation evaluation probe set quality and data acquisition method

#956
20130192357
2013-08-01

Job monitoring methods and apparatus for logging-while-drilling equipment

#957
20130155408
2013-06-20

Methods of analyzing a reservoir fluid sample using a multivariate optical element calculation device

#958
20130152708
2013-06-20

Nanostructured fluid sampling device

#959
20130145837
2013-06-13

Downhole sensor systems and methods thereof

#960
20130126179
2013-05-23

Sampling skid for subsea wells

#961
20130119245
2013-05-16

Method and apparatus for estimating a downhole fluid property using a charged particle densitometer

#962
20130113479
2013-05-09

Method for correcting NMR and nuclear logs in formate mud filtrate invaded formations

#963
20130113468
2013-05-09

Method and apparatus for measuring linear displacement

#964
20130110474
2013-05-02

DETERMINING AND CONSIDERING A PREMIUM RELATED TO PETROLEUM RESERVES AND PRODUCTION CHARACTERISTICS WHEN VALUING PETROLEUM PRODUCTION CAPITAL PROJECTS

#965
20130061899
2013-03-14

Apparatus, system and method for generating power in a wellbore

#966
20130036811
2013-02-14

IN-BOREHOLE GAS MONITOR APPARATUS AND METHOD COMPRISING A VOC CONCENTRATION ANALYSER AND A VOC COLLECTOR

#967
20130032344
2013-02-07

Methods for monitoring fluids within or produced from a subterranean formation using opticoanalytical devices

#968
20130025874
2013-01-31

SYSTEM AND METHOD FOR SAMPLING MULTIPHASE FLUID AT A PRODUCTION WELLSITE

#969
20130025855
2013-01-31

Formation sampling

#970
20130025854
2013-01-31

Method and system for sampling multi-phase fluid at a production wellsite

#971
20130024122
2013-01-24

FORMATION FLUID DETECTION

#972
20130019673
2013-01-24

Viscosity measurement in a fluid analyzer sampling tool

#973
20130019671
2013-01-24

Optimization of sample cleanup during formation testing

#974
20130014994
2013-01-17

Systems and methods of a sample bottle assembly

#975
20130014993
2013-01-17

Formation testing in managed pressure drilling

#976
20120312754
2012-12-13

CONTROL OF SUBSEA CYCLONE

#977
20120312601
2012-12-13

Systems and methods of a clamp for a sample bottle assembly

#978
20120312530
2012-12-13

In-situ detection and analysis of methane in coal bed methane formations with spectrometers

#979
20120304758
2012-12-06

LOW-FREQUENCY VISCOSITY, DENSITY, AND VISCOELASTICITY SENSOR FOR DOWNHOLE APPLICATIONS

#980
20120298851
2012-11-29

Compensated optical detection apparatus, systems, and methods

#981
20120297903
2012-11-29

Regulation-compliant holding device for storing or transporting a non-compliant container

#982
20120297868
2012-11-29

Portable gas monitor

#983
20120285680
2012-11-15

SEPARATION SYSTEM TO SEPARATE PHASES OF DOWNHOLE FLUIDS FOR INDIVIDUAL ANALYSIS

#984
20120279702
2012-11-08

Formation testing

#985
20120275658
2012-11-01

Petrographic image analysis for determining capillary pressure in porous media

#986
20120273194
2012-11-01

METHODS OF CALCULATING A FLUID COMPOSITION N A WELLBORE

#987
20120267115
2012-10-25

SUBSEA SAMPLING SYSTEM AND METHOD

#988
20120267096
2012-10-25

Method of testing the operation of a producing oil well operated using the formation hydrofracturing process

#989
20120266668
2012-10-25

Surface Wave Sensor for Downhole Applications

#990
20120227963
2012-09-13

Methods and devices for filling tanks with no backflow from the borehole exit

#991
20120222859
2012-09-06

Dispersing separated hydrocarbon gas into separated oil during surface well testing for improved oil mobility

#992
20120215628
2012-08-23

Chronostratigraphic Modeling and Mapping System and Method

#993
20120167692
2012-07-05

Energy intensity transformation

#994
20120166089
2012-06-28

Job monitoring methods and apparatus for logging-while-drilling equipment

#995
20120143579
2012-06-07

Method and system for configuring crude oil displacement system

#996
20120137764
2012-06-07

Detecting gas compounds for downhole fluid analysis

#997
20120118558
2012-05-17

Downhole sensing system using carbon nanotube FET

#998
20120111571
2012-05-10

Method for sampling and analysis of production from a subsea well for measuring salinity of produced water and also volumetric ratio between liquid fractions

#999
20120081699
2012-04-05

Downhole gas breakout sensor

#1000
20120078533
2012-03-29

Process and apparatus for processing signals

#1001
20120073806
2012-03-29

LOW CUT WATER SAMPLING DEVICE

#1002
20120073802
2012-03-29

Complex tool for well monitoring

#1003
20120043966
2012-02-23

Method and apparatus for determining formation water saturation during drilling

#1004
20120031610
2012-02-09

Fluid resistivity measurement tool

#1005
20120012393
2012-01-19

Small core generation and analysis at-bit as LWD tool

#1006
20120012392
2012-01-19

Small core generation and analysis at-bit as LWD tool

#1007
20110303409
2011-12-15

Downhole fluid injection

#1008
20110284219
2011-11-24

Direct measurement of fluid contamination

#1009
20110277999
2011-11-17

Single packer system for use in heavy oil environments

#1010
20110266056
2011-11-03

Methods and apparatus for planning and dynamically updating sampling operations while drilling in a subterranean formation

#1011
20110266055
2011-11-03

Apparatus and methods for detecting performance data in an earth-boring drilling tool

#1012
20110249266
2011-10-13

Fluid sampling and analysis downhole using microconduit system

#1013
20110231099
2011-09-22

PORTABLE GAS MONITOR

#1014
20110191027
2011-08-04

Method and apparatus for measuring the vertical separation of two stations in a borehole

#1015
20110153225
2011-06-23

IN-LINE COMPOSITION AND VOLUMETRIC ANALYSIS OF VENT GASES AND FLOODING OF THE ANNULAR SPACE OF FLEXIBLE PIPE

#1016
20110139450
2011-06-16

Adjustable testing tool and method of use

#1017
20110139442
2011-06-16

Method of determining end member concentrations

#1018
20110127085
2011-06-02

Modular connector and method

#1019
20110111507
2011-05-12

Downhole spectroscopic hydrogen sulfide detection

#1020
20110108720
2011-05-12

Multi-channel detector assembly for downhole spectroscopy

#1021
20110104809
2011-05-05

Downhole spectroscopic hydrogen sulfide detection

#1022
20110088949
2011-04-21

Methods and apparatus for characterization of petroleum fluids contaminated with drilling mud

#1023
20110061935
2011-03-17

Drilling wells in compartmentalized reservoirs

#1024
20110061473
2011-03-17

Groundwater evaluation tools and methods of groundwater evaluation

#1025
20110061439
2011-03-17

Methods of calibrating a fluid analyzer for use in a wellbore

#1026
20110048700
2011-03-03

Apparatus and method for fluid property measurements

#1027
20110042141
2011-02-24

Remediation of relative permeability blocking using electro-osmosis

#1028
20110042071
2011-02-24

Clean fluid sample for downhole measurements

#1029
20110042070
2011-02-24

Fluid density from downhole optical measurements

#1030
20110036568
2011-02-17

Method and apparatus for logging a well below a submersible pump deployed on coiled tubing

#1031
20110023595
2011-02-03

COMPACT FLUID DISPOSAL SYSTEM AND METHOD FOR SURFACE WELL TESTING

#1032
20110005765
2011-01-13

Sampling skid for subsea wells

#1033
20100294491
2010-11-25

Cleanup production during sampling

#1034
20100268469
2010-10-21

Microfluidic oscillating tube densitometer for downhole applications

#1035
20100268468
2010-10-21

Method and apparatus for geobaric analysis

#1036
20100265509
2010-10-21

In situ optical computation fluid analysis system and method

#1037
20100258304
2010-10-14

In-situ evaluation of reservoir sanding and fines migration and related completion, lift and surface facilities design

#1038
20100257926
2010-10-14

Downhole sensor systems and methods thereof

#1039
20100250142
2010-09-30

System and method of analyzing fluids at a drilling location

#1040
20100245096
2010-09-30

Optical data transformation

#1041
20100243259
2010-09-30

Well tool with combined actuation of multiple valves

#1042
20100236776
2010-09-23

Downhole X-ray source fluid identification system and method

#1043
20100229623
2010-09-16

Downhole determination of asphaltene content

#1044
20100206586
2010-08-19

Sampling system and method

#1045
20100206564
2010-08-19

Sampling system and method

#1046
20100200228
2010-08-12

Reducing differential sticking during sampling

#1047
20100170682
2010-07-08

INFLATABLE PACKER ASSEMBLY

#1048
20100155061
2010-06-24

Formation evaluation system and method

#1049
20100132449
2010-06-03

System and method for analysis of well fluid samples

#1050
20100126731
2010-05-27

Apparatus and methods to remove impurities at a sensor in a downhole tool

#1051
20100122822
2010-05-20

Single packer structure for use in a wellbore

#1052
20100108314
2010-05-06

SYSTEM AND METHOD FOR DOWNHOLE SAMPLING OR SENSING OF CLEAN SAMPLES OF COMPONENT FLUIDS OF A MULTI-FLUID MIXTURE

#1053
20100089569
2010-04-15

Separator for downhole measuring and method therefor

#1054
20100086180
2010-04-08

System, method and apparatus for exploration

#1055
20100071898
2010-03-25

Single packer system for fluid management in a wellbore

#1056
20100064795
2010-03-18

Downhole fluid property chromatography

#1057
20100063738
2010-03-11

Fluid conductivity measurement tool and methods

#1058
20100059669
2010-03-11

Method and apparatus for detecting naphthenic acids

#1059
20100050761
2010-03-04

DETECTING GAS COMPOUNDS FOR DOWNHOLE FLUID ANALYSIS

#1060
20100044044
2010-02-25

Controlling transient underbalance in a wellbore

#1061
20100040281
2010-02-18

Systems and methods employing cooperative optimization-based dimensionality reduction

#1062
20100024540
2010-02-04

Adjustable testing tool and method of use

#1063
20100000731
2010-01-07

Magnetic stirrer

#1064
20090316528
2009-12-24

Job monitoring methods and apparatus for logging-while-drilling equipment

#1065
20090308604
2009-12-17

Single packer system for collecting fluid in a wellbore

#1066
20090301716
2009-12-10

PUMP SYSTEM FOR ZONAL ISOLATION TESTING

#1067
20090266546
2009-10-29

Apparatus and method for discharging multiple fluids downhole

#1068
20090266154
2009-10-29

In-borehole gas monitor apparatus and method

#1069
20090260807
2009-10-22

SELECTIVE ZONAL TESTING USING A COILED TUBING DEPLOYED SUBMERSIBLE PUMP

#1070
20090242274
2009-10-01

Apparatus for measuring streaming potentials and determining earth formation characteristics

#1071
20090235731
2009-09-24

Methods and apparatus for analysis of downhole compositional gradients and applications thereof

#1072
20090223681
2009-09-10

Zone isolation assembly and method for isolating a fluid zone in an existing subsurface well

#1073
20090211756
2009-08-27

Formation tester with low flowline volume and method of use thereof

#1074
20090193889
2009-08-06

Measurement tool and method of use

#1075
20090188665
2009-07-30

Monitoring of downhole parameters and tools utilizing fiber optics

#1076
20090178921
2009-07-16

ELECTRO-CHEMICAL SENSOR

#1077
20090178797
2009-07-16

GROUNDWATER MONITORING TECHNOLOGIES APPLIED TO CARBON DIOXIDE SEQUESTRATION

#1078
20090166085
2009-07-02

Downhole fluid analysis

#1079
20090166024
2009-07-02

Completion apparatus for measuring streaming potentials and determining earth formation characteristics

#1080
20090158820
2009-06-25

METHOD AND SYSTEM FOR DOWNHOLE ANALYSIS

#1081
20090152456
2009-06-18

Borehole tester apparatus and methods for using nuclear electromagnetic radiation to determine fluid properties

#1082
20090107667
2009-04-30

Downhole spectroscopic hydrogen sulfide detection

#1083
20090100925
2009-04-23

SYSTEM AND METHOD FOR COATING FLEXURAL MECHANICAL RESONATORS

#1084
20090095066
2009-04-16

Vadose zone pore liquid sampling system

#1085
20090084175
2009-04-02

Spectroscopic pH measurement using optimized mixtures of reagents to extend measurement range

#1086
20090078860
2009-03-26

System and method for downhole optical analysis

#1087
20090047181
2009-02-19

Fluid analyzer for determining fluid chemistry of formation fluid by downhole reagent injection spectral analysis

#1088
20090003934
2009-01-01

Mapping of contaminants in geologic formations

#1089
20090000785
2009-01-01

Method and apparatus to quantify fluid sample quality

#1090
20080314595
2008-12-25

Well jet device and the operating method thereof

#1091
20080307876
2008-12-18

Method and apparatus for geobaric analysis

#1092
20080296028
2008-12-04

Downhole pressure chamber and method of making same

#1093
20080245570
2008-10-09

Modular connector and method

#1094
20080236822
2008-10-02

System and method for separating, monitoring and sampling coiled tubing flow back returns

#1095
20080236257
2008-10-02

Sampling device and method for monitoring of liquids

#1096
20080217005
2008-09-11

Automated oil well test classification

#1097
20080133193
2008-06-05

Methods for estimating properties of a subterranean formation and/or a fracture therein

#1098
20080115971
2008-05-22

Remote gas monitoring apparatus for seabed drilling

#1099
20080105032
2008-05-08

High accuracy contamination estimation in hydrocarbon samples using GC×GC

#1100
20080099195
2008-05-01

METHOD AND APPARATUS FOR ISOLATING AND TESTING ZONES DURING REVERSE CIRCULATION DRILLING

#1101
20080093078
2008-04-24

Apparatus and methods to remove impurities at a sensor in a downhole tool

#1102
20080066908
2008-03-20

System and method for downhole sampling or sensing of clean samples of component fluids of a multi-fluid mixture

#1103
20080066535
2008-03-20

Adjustable Testing Tool and Method of Use

#1104
20080035332
2008-02-14

Non-conductive and non-magnetic flowline for electromagnetic measurements on reservoir fluids at high pressures

#1105
20070284099
2007-12-13

Method and apparatus for collecting fluid samples downhole

#1106
20070275471
2007-11-29

System and method for multivariable control in three-phase separation oil and gas production

#1107
20070260439
2007-11-08

Flexible borehole liner with diffusion barrier and method of use thereof

#1108
20070182408
2007-08-09

Downhole high resolution NMR spectroscopy with polarization enhancement

#1109
20070169933
2007-07-26

Sensor assembly for determining fluid properties in a subsurface well

#1110
20070169540
2007-07-26

Method and apparatus for determining gas content of subsurface fluids for oil and gas exploration

#1111
20070158066
2007-07-12

Docking receiver of a zone isolation assembly for a subsurface well

#1112
20070143023
2007-06-21

Reservoir sample chain-of-custody

#1113
20070119244
2007-05-31

Methods and apparatus for the downhole characterization of formation fluids

#1114
20070113639
2007-05-24

Method and apparatus for estimating a property of a downhole fluid using a coated resonator

#1115
20070095096
2007-05-03

Downhole sorption cooling and heating in wireline logging and monitoring while drilling

#1116
20070079962
2007-04-12

Formation evaluation system and method

#1117
20070079960
2007-04-12

Well treatment system and method

#1118
20070062274
2007-03-22

Apparatus for downhole fluids analysis utilizing micro electro mechanical system (MEMS) or other sensors

#1119
20070035736
2007-02-15

Spectral imaging for downhole fluid characterization

#1120
20070034369
2007-02-15

Controlling transient pressure conditions in a wellbore

#1121
20060272809
2006-12-07

Wellbores utilizing fiber optic-based sensors and operating devices

#1122
20060266108
2006-11-30

Method and apparatus for reservoir characterization using photoacoustic spectroscopy

#1123
20060250130
2006-11-09

Contamination estimation using fluid analysis models

#1124
20060219401
2006-10-05

Apparatus and method for sensing downhole parameters

#1125
20060212223
2006-09-21

Method for designing formation tester for well

#1126
20060192554
2006-08-31

Downhole high resolution NMR spectroscopy with polarization enhancement

#1127
20060163467
2006-07-27

Apparatus and method for analysing downhole water chemistry

#1128
20060142955
2006-06-29

In situ optical computation fluid analysis system and method

#1129
20060090894
2006-05-04

Apparatus for the simultaneous collection of pore water specimens from adjacent areas of aquatic sediments

#1130
20060016594
2006-01-26

Methods to detect formation pressure

#1131
20050279497
2005-12-22

Completion apparatus for measuring streaming potentials and determining earth formation characteristics

#1132
20050269499
2005-12-08

Method and sensor for monitoring gas in a downhole environment

#1133
20050241382
2005-11-03

System for detecting gas in a wellbore during drilling

#1134
20050235745
2005-10-27

Methods for measuring a formation supercharge pressure

#1135
20050224228
2005-10-13

Method and apparatus for isolating and testing zones during reverse circulation drilling

#1136
20050216196
2005-09-29

Contamination estimation using fluid analysis models

#1137
20050205302
2005-09-22

Hydraulic and mechanical noise isolation for improved formation testing

#1138
20050205256
2005-09-22

Method and apparatus for downhole fluid analysis for reservoir fluid characterization

#1139
20050178562
2005-08-18

METHOD AND APPARATUS FOR ISOLATING AND TESTING ZONES DURING REVERSE CIRCULATION DRILLING

#1140
20050165554
2005-07-28

Fluids chain-of-custody

#1141
20050155760
2005-07-21

Method and apparatus for subsurface fluid sampling

#1142
20050140368
2005-06-30

Method and apparatus for determining speed and properties of flowing fluids using NMR measurements

#1143
20050120813
2005-06-09

Apparatuses for interaction with a subterranean formation, and methods of use thereof

#1144
20050098350
2005-05-12

Three dimensional steering system and method for steering bit to drill borehole

#1145
20050061506
2005-03-24

Well treatment system and method

#1146
20050053473
2005-03-10

Well jet device for testing and studying formations and the operating method thereof

#1147
20050039909
2005-02-24

Groundwater well sample device

#1148
20050012036
2005-01-20

Providing a light cell in a wellbore

#1149
20050005624
2005-01-13

Downhole sorption cooling and heating in wireline logging and monitoring while drilling

#1150
19097926
2026-03-31

Devices, systems, and methods for estimating flow rates in a plunger lift system

#1151
18664177
2025-07-01

Enhanced deep micro-fracturing tool using laser beams and acoustic waves

#1152
18628135
2026-03-31

Well treatment compositions and methods of making and using same

#1153
18620368
2025-08-19

Real-time zonal inflow analyzer with closed-loop tracer system

#1154
18387158
2025-03-25

Continuous separation of multi-phase formation fluids during downhole sampling and measuring

#1155
17224098
2024-03-19

Method of estimating permeability using NMR diffusion measurements

#1156
16820214
2023-08-08

Multi-well system for environmental remediation or sampling

#1157
16436256
2019-10-08

Testing subterranean water for a hazardous waste material repository

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Cross-plot engineering system and method

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Testing subterranean water for a hazardous waste material repository

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Differential pressure switch operated downhole fluid flow control system

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Viscosified water injection methods for enhancing hydrocarbon recovery from wells

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Electron paramagnetic resonance (EPR) techniques and apparatus for performing EPR spectroscopy on a flowing fluid

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Directional sensitive fiber optic cable wellbore system

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Differential pressure switch operated downhole fluid flow control system

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

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Well sampling system incorporating corrugated and slotted injection system and method of use

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Computerized method and system for improving petroleum production and recovery using a reservoir management factor

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Mineral isotopes in water, methods and uses thereof

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System for gas detection, well data collection, and real time streaming of well logging data