ClassID:

135731

E21B49/08 - page 3 - 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:
#601
20170174530
2017-06-22

Oil-In-Water Monitoring

#602
20170167254
2017-06-15

Sedimentary characterization from seismic data

#603
20170159424
2017-06-08

METHOD AND SYSTEM DELIVERING A TRACER TO A FLOW

#604
20170159422
2017-06-08

Hydrocarbon well performance monitoring system

#605
20170146677
2017-05-25

Active dampening for wellbore logging using vibration feedback

#606
20170145823
2017-05-25

ROBUST VISCOSITY ESTIMATION METHODS AND SYSTEMS

#607
20170145822
2017-05-25

Monitoring of drilling operations using discretized fluid flows

#608
20170145821
2017-05-25

Behind pipe evaluation using a nuclear density tool

#609
20170145820
2017-05-25

Method and apparatus for analyzing mixing of a fluid in a conduit

#610
20170145819
2017-05-25

DISTRIBUTED SENSOR NETWORK

#611
20170138872
2017-05-18

Integrated analysis of pore fluids for characterization of reservoir potential

#612
20170138172
2017-05-18

Encapsulated sensors and electronics

#613
20170138171
2017-05-18

Equipment monitoring using enhanced video

#614
20170138157
2017-05-18

Methods for analyzing and optimizing drilling tool assemblies

#615
20170137697
2017-05-18

Methods for optimizing salinity for enhanced water flood applications

#616
20170131433
2017-05-11

System and method for correction of downhole measurements

#617
20170131430
2017-05-11

Optical computing devices comprising rotatable broadband angle-selective filters

#618
20170122847
2017-05-04

EASILY INSTALLABLE AND REMOVABLE FLOW ANALYZER FOR HARSH ENVIRONMENTS

#619
20170122100
2017-05-04

Systems and methods for acquiring generating watercut and bottleneck notifications at a well site

#620
20170122080
2017-05-04

Shale gas extraction

#621
20170122078
2017-05-04

Tagged corrosion inhibitors for use in subterranean operations

#622
20170115263
2017-04-27

Chemiresistive sensors, downhole tools including such sensors, and related methods

#623
20170114615
2017-04-27

Remotely-powered casing-based intelligent completion assembly

#624
20170096860
2017-04-06

Downhole self-isolating wellbore drilling systems

#625
20170091359
2017-03-30

Modified black oil model for calculating mixing of different fluids in a common surface network

#626
20170090060
2017-03-30

Impedance analysis for fluid discrimination and monitoring

#627
20170089148
2017-03-30

Downhole self-isolating wellbore drilling systems

#628
20170089147
2017-03-30

Downhole self-isolating wellbore drilling systems

#629
20170074852
2017-03-16

Estimating a reserve of a reservoir

#630
20170074094
2017-03-16

Isotopic analysis from a controlled extractor in communication to a fluid system on a drilling rig

#631
20170074093
2017-03-16

Well-bore and reservoir monitoring process by logging temperature and resistivity

#632
20170067810
2017-03-09

INTERFACIAL TENSION DETERMINATION

#633
20170067809
2017-03-09

Determining the density and viscosity of a fluid using an electromagnetic force contactless driven densitoviscous sensor

#634
20170067311
2017-03-09

Apparatus, systems and method for oil and gas operations

#635
20170059740
2017-03-02

Band-limited integrated computational elements based on hollow-core fiber

#636
20170058671
2017-03-02

Portable gas monitor

#637
20170058670
2017-03-02

LIQUID SAMPLING CONTAINER WITH INTERNAL MIXER

#638
20170058666
2017-03-02

Systems and methods employing cooperative optimization-based dimensionality reduction

#639
20170052283
2017-02-23

Mechanisms-based fracture model for geomaterials

#640
20170052280
2017-02-23

Drilling fluid property determination

#641
20170052279
2017-02-23

Optical computing devices comprising broadband angle-selective filters

#642
20170051601
2017-02-23

Cross-plot engineering system and method

#643
20170045640
2017-02-16

Standoff determination

#644
20170045490
2017-02-16

Mixing fluids with weighted aqueous phases

#645
20170044877
2017-02-16

Hydrocarbon recovery process

#646
20170044861
2017-02-16

Wellhead port plug assembly

#647
20170038496
2017-02-09

Downhole fluid typing

#648
20170038491
2017-02-09

Method and device for measuring fluid properties using an electromechanical resonator

#649
20170038287
2017-02-09

Downhole viscosity sensor with smart fluid

#650
20170038286
2017-02-09

Method for measuring density change of underground material using gravimeter

#651
20170030819
2017-02-02

Processes and systems for characterizing and optimizing fracturing fluids

#652
20170030190
2017-02-02

Sample testing device and fluid pumping installation comprising such a testing device

#653
20170030186
2017-02-02

Fast test application for shock sensing subassemblies using shock modeling software

#654
20170030166
2017-02-02

SHOCK AND VIBRATION TOOL MODELING

#655
20170022807
2017-01-26

Real-time monitoring of health hazards during hydraulic fracturing

#656
20170022803
2017-01-26

Petroleum well formation back pressure field meter system

#657
20170022797
2017-01-26

Hydrocarbon production system and an associated method thereof

#658
20170022795
2017-01-26

Closed loop hydrocarbon extraction system and a method for operating the same

#659
20170016291
2017-01-19

Laser propelled tractor with laser operated logging tools

#660
20170010377
2017-01-12

Imaging of earth formation with high frequency sensor

#661
20170009558
2017-01-12

Shared equation of state characterization of multiple fluids

#662
20170009543
2017-01-12

Elastic pipe control with managed pressure drilling

#663
20170002651
2017-01-05

ROV mountable subsea pump flushing and sampling system

#664
20170002644
2017-01-05

Predicting pump performance in downhole tools

#665
20160376884
2016-12-29

Well testing through a generated exothermic reaction in the wellbore

#666
20160369627
2016-12-22

Real-time ultrasound techniques to determine particle size distribution

#667
20160369605
2016-12-22

Simulating fluid production in a common surface network using EOS models with black oil models

#668
20160369600
2016-12-22

Simplified compositional models for calculating properties of mixed fluids in a common surface network

#669
20160356689
2016-12-08

Yield stress measurement device and related methods

#670
20160356154
2016-12-08

System and method for sensing fluids downhole

#671
20160348502
2016-12-01

Monitoring probe for detecting the position of a fresh water-salt water interface in an observation well

#672
20160348500
2016-12-01

Borehole testing device

#673
20160348499
2016-12-01

Electromagnetic telemetry system with compensation for drilling fluid characteristics

#674
20160348486
2016-12-01

METHOD FOR REDUCING SALT WATER INTRUSION INTO AN AQUIFER

#675
20160348481
2016-12-01

Completion systems with a bi-directional telemetry system

#676
20160348480
2016-12-01

Reservoir fluid geodynamic system and method for reservoir characterization and modeling

#677
20160341850
2016-11-24

Geomechanical and geophysical computational model for oil and gas stimulation and production

#678
20160341646
2016-11-24

Methods for determining rheological quantities of a drilling fluid using apparent viscosity

#679
20160341039
2016-11-24

Guard filtering system for focused sampling probe

#680
20160341038
2016-11-24

Sampling techniques to detect hydrocarbon seepage

#681
20160341037
2016-11-24

Optimal surfactant design for recovered hydrocarbon enhancement

#682
20160340568
2016-11-24

Selection of optimal surfactants for performing surfactant flooding enhanced oil recovery

#683
20160335797
2016-11-17

Determining and displaying reserve estimates for a reservoir

#684
20160334343
2016-11-17

Microwave measurement of water fraction

#685
20160333686
2016-11-17

Apparatuses and methods for evaluating well performance using deviations in real-time well measurement data

#686
20160328419
2016-11-10

SYSTEM FOR DETERMINATION OF A FIELD ROCK TYPE

#687
20160327683
2016-11-10

Downhole fluid properties analysis device and tools comprising such a device

#688
20160327465
2016-11-10

Viscosity sensor

#689
20160327456
2016-11-10

In situ measurement of soil fluxes and related apparatus, systems and methods

#690
20160326866
2016-11-10

Method of estimating multi-phase fluid properties in a wellbore utilizing acoustic resonance

#691
20160320527
2016-11-03

SYSTEM AND METHODS FOR CROSS-SENSOR LINEARIZATION

#692
20160320520
2016-11-03

Electrically operated radiation source operating power, reliability and life management systems and methods

#693
20160320323
2016-11-03

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

#694
20160320318
2016-11-03

METHODS AND MEANS FOR IDENTIFYING FLUID TYPE INSIDE A CONDUIT

#695
20160319643
2016-11-03

Process of sustaining methane production in a subterranean carbonaceous medium

#696
20160319641
2016-11-03

Optimizing a grid for finite element solutions for subterranean region simulations

#697
20160312609
2016-10-27

Methods of plotting advanced logging information

#698
20160312579
2016-10-27

Downhole flow control device and method

#699
20160306069
2016-10-20

RADIATION SOURCE DEVICE

#700
20160305239
2016-10-20

DOWNHOLE MONITORING OF FLUIDS USING NUCLEAR MAGNETIC RESONANCE

#701
20160305238
2016-10-20

Average/initial reservoir pressure and wellbore efficiency analysis from rates and downhole pressures

#702
20160299084
2016-10-13

Systems and Methods to Reduce Delamination In Integrated Computational Elements Used Downhole

#703
20160298955
2016-10-13

IN-SITU OPTICAL MONITORING OF FABRICATION OF INTEGRATED COMPUTATIONAL ELEMENTS

#704
20160298450
2016-10-13

Passive sampling device and method of sampling and analysis

#705
20160291575
2016-10-06

Directional driller quality reporting system and method

#706
20160290841
2016-10-06

Flow regime recognition for flow model adaptation

#707
20160290132
2016-10-06

Microbiome based systems, apparatus and methods for the exploration and production of hydrocarbons

#708
20160290131
2016-10-06

Systems and methods for real-time measurement of gas content in drilling fluids

#709
20160289821
2016-10-06

Systems and methods to improve optical spectrum fidelity in integrated computational elements

#710
20160283651
2016-09-29

Microbiome based systems, apparatus and methods for the exploration and production of hydrocarbons

#711
20160282509
2016-09-29

Manufacturing process for integrated computational elements

#712
20160282322
2016-09-29

System and method for determining fluid viscosity of a fluid in a rock formation

#713
20160281497
2016-09-29

Probabalistic modeling and analysis of hydrocarbon-containing reservoirs

#714
20160273355
2016-09-22

Surface fluid extraction and separator system

#715
20160273354
2016-09-22

Optical fluid model base construction and use

#716
20160272873
2016-09-22

Engineering formation wettability characteristics

#717
20160265352
2016-09-15

Integrated computational element with multiple frequency selective surfaces

#718
20160259087
2016-09-08

Equation of state based correlation for gas condensates and wet gases in unconventional shale plays

#719
20160259080
2016-09-08

Downhole closed-loop magnetostrictive sensing element for downhole applications

#720
20160258875
2016-09-08

In-situ monitoring of recombination progress using ICE

#721
20160258290
2016-09-08

Flow electrification sensor

#722
20160258283
2016-09-08

Multilateral production control methods and systems employing a casing segment with at least one transmission crossover arrangement

#723
20160258279
2016-09-08

Identification of thermal conductivity properties of formation fluid

#724
20160252454
2016-09-01

Downhole fluid analysis method and apparatus for determining viscosity

#725
20160245047
2016-08-25

Apparatus, System and Method For Generating Power In A Wellbore

#726
20160238585
2016-08-18

Integrated computational elements with planar waveguide

#727
20160237998
2016-08-18

Collecting and removing condensate from a gas extraction system

#728
20160237815
2016-08-18

Method for evaluating properties of a fluid medium

#729
20160230549
2016-08-11

Estimation of fluid properties from well logs

#730
20160230511
2016-08-11

Method for determining triaxial conductivity with arbitrary orientation using multiaxial electromagnetic measurements

#731
20160230270
2016-08-11

TEMPERATURE-DEPENDENT FABRICATION OF INTEGRATED COMPUTATIONAL ELEMENTS

#732
20160223709
2016-08-04

Analysis of a reservoir fluid using a molecular factor computational system

#733
20160223478
2016-08-04

EPR systems for flow assurance and logging

#734
20160222781
2016-08-04

Applications of advanced isotope geochemistry of hydrocarbons and inert gases to petroleum production engineering

#735
20160216187
2016-07-28

Downhole systems for detecting a property of a fluid

#736
20160208589
2016-07-21

Systems and methods for enhancing recovery of hydrocarbon deposits

#737
20160201451
2016-07-14

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

#738
20160187525
2016-06-30

Methods and systems of electromagnetic interferometry for downhole environments

#739
20160186560
2016-06-30

Applying shrinkage factor to real-time OBM filtrate contamination monitoring

#740
20160186559
2016-06-30

Data extraction for OBM contamination monitoring

#741
20160186558
2016-06-30

EMULSION DETECTION USING OPTICAL COMPUTING DEVICES

#742
20160186553
2016-06-30

Drilling wells in compartmentalized reservoirs

#743
20160186533
2016-06-30

Predictive flow assurance assessment method and system

#744
20160178785
2016-06-23

Methods and Systems for Monitoring Spontaneous Potentials in Downhole Environments

#745
20160178546
2016-06-23

Petrophysical relationships using blind source separation techniques

#746
20160177713
2016-06-23

REALTIME DOWNHOLE SAMPLE VOLUME COLLECTION

#747
20160169794
2016-06-16

Using optical computing devices to determine unknown analytes

#748
20160168988
2016-06-16

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

#749
20160168987
2016-06-16

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

#750
20160168986
2016-06-16

Concentration determining method and system

#751
20160168984
2016-06-16

High-speed, wireless data communication through a column of wellbore fluid

#752
20160168960
2016-06-16

Sand control device and methods for identifying erosion

#753
20160168952
2016-06-16

TAGGED PARAFFIN INHIBITORS AND ASPHALTENE INHIBITORS FOR USE IN SUBTERRANEAN OPERATIONS

#754
20160160478
2016-06-09

Selective extraction of fluids from subsurface wells

#755
20160146724
2016-05-26

Integrated computational elements with frequency selective surface

#756
20160146004
2016-05-26

Method for reservoir evaluation employing non-equilibrium asphaltene component

#757
20160138395
2016-05-19

Wellbore operations involving computational methods that produce sag profiles

#758
20160131630
2016-05-12

Methods and systems for correction of oil-based mud filtrate contamination on saturation pressure

#759
20160130940
2016-05-12

Systems and methods for formation fluid sampling

#760
20160130926
2016-05-12

Pulsed acoustic impact for facilitation of oil and gas extracting

#761
20160123953
2016-05-05

Evaluating reservoir oil biodegradation

#762
20160123141
2016-05-05

RESERVOIR HYDROCARBON CALCULATIONS FROM SURFACE HYDROCARBON COMPOSITIONS

#763
20160115786
2016-04-28

System and Method for Analyzing a Gaseous Sample Extracted From a Drilling Fluid Coming From a Wellbore

#764
20160108728
2016-04-21

INTEGRATED COMPUTATIONAL ELEMENT-BASED OPTICAL SENSOR NETWORK AND RELATED METHODS

#765
20160108687
2016-04-21

Means and Methods for Multirnodality Analysis and Processing of Drilling Mud

#766
20160090836
2016-03-31

Flow regime identification with filtrate contamination monitoring

#767
20160084079
2016-03-24

Fast-setting retrievable slim-hole test packer and method of use

#768
20160061022
2016-03-03

Hydrocarbon well performance monitoring system

#769
20160047784
2016-02-18

Hydrocarbon gas detection device

#770
20160047240
2016-02-18

Hydrocarbon gas detection device

#771
20160047231
2016-02-18

Gas well inflow detection method

#772
20160040532
2016-02-11

RESERVOIR WATER VOLUME SHIFT MODEL

#773
20160032720
2016-02-04

Collecting and removing condensate from a gas extraction system

#774
20160032719
2016-02-04

Systems and methods for optical fluid identification approximation and calibration

#775
20160025609
2016-01-28

Method of Acquiring Viscosity of A Downhole Fluid in A Downhole Tool with A Vibrating Wire Viscometer

#776
20160018561
2016-01-21

Methods and systems for an integrated acoustic and induction logging tool

#777
20160017707
2016-01-21

Water Volume Fraction of Flowing Fluids

#778
20160010451
2016-01-14

Flow meter well tool

#779
20160010440
2016-01-14

Oil production intensification device and method

#780
20160003793
2016-01-07

Surface gas correction by group contribution equilibrium model

#781
20160003040
2016-01-07

Tracers

#782
20150377020
2015-12-31

Beach detection sensors for vibratory separator

#783
20150369957
2015-12-24

Generating relative permeabilities and capillary pressures

#784
20150363520
2015-12-17

Methods and systems for calculating and evaluating value of information for reservoir fluid models derived from DFA tool data

#785
20150361792
2015-12-17

Systems and methods for optimizing analysis of subterranean well bores and fluids using noble gases

#786
20150361791
2015-12-17

System and method for controlled pumping in a downhole sampling tool

#787
20150361762
2015-12-17

Configurable and expandable fluid metering system

#788
20150354351
2015-12-10

Apparatus and method for monitoring fluid flow in a wellbore using acoustic signals

#789
20150353817
2015-12-10

SMART PROPPANT TECHNOLOGY FOR FRACKING AND WELL PRODUCTION PERFORMANCE MONITORING

#790
20150346010
2015-12-03

Multi-tank material balance model

#791
20150345289
2015-12-03

Microfluidic oscillating tube densitometer for downhole applications

#792
20150337656
2015-11-26

System and method for collecting a representative formation fluid during downhole testing operations

#793
20150330218
2015-11-19

Methods And Apparatus For Planning And Dynamically Updating Sampling Operations While Drilling In A Subterranean Formation

#794
20150330167
2015-11-19

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

#795
20150322782
2015-11-12

Guided wave downhole fluid sensor

#796
20150316183
2015-11-05

Pup joint for releasing sidewall contact of stratigraphic test device and apparatus

#797
20150315907
2015-11-05

Tracers for the study of an oil reservoir in high salinity and high temperature conditions

#798
20150308261
2015-10-29

Determining formation fluid variation with pressure

#799
20150300944
2015-10-22

Pulse width modulation of continuum sources for determination of chemical composition

#800
20150300163
2015-10-22

SYSTEM AND METHOD FOR MONITORING WATER CONTAMINATION WHEN PERFORMING SUBTERRANEAN OPERATIONS

#801
20150300149
2015-10-22

Method and system for configuring crude oil displacement system

#802
20150293016
2015-10-15

Optically transparent films for measuring optically thick fluids

#803
20150292324
2015-10-15

Estimation of mud filtrate spectra and use in fluid analysis

#804
20150292291
2015-10-15

Method and apparatus for oil and gas operations

#805
20150285071
2015-10-08

Optical device and method for predicting and mitigating hydrate formation using an integrated computation

#806
20150284811
2015-10-08

Microbiome based systems, apparatus and methods for the exploration and production of hydrocarbons

#807
20150275662
2015-10-01

Systems and methods of a sample bottle assembly

#808
20150275661
2015-10-01

Probe, sonde and method for producing signals indicative of local phase composition of a fluid

#809
20150275627
2015-10-01

Method for determining residual surfactant concentrations in produced water

#810
20150269755
2015-09-24

Creating a thickness grid for determining reserve estimates for a reservoir

#811
20150268374
2015-09-24

Means and Methods for Multimodality Analysis and Processing of Drilling Mud

#812
20150260669
2015-09-17

Non-contact fluid resistivity measurement

#813
20150260038
2015-09-17

Well completion sliding sleeve valve based sampling system and method

#814
20150254900
2015-09-10

Determining and displaying reserve estimates for a reservoir

#815
20150253460
2015-09-10

Converting reserve estimates in a reservoir model to a standard format for dynamic comparison

#816
20150252668
2015-09-10

Method and apparatus for hydraulic fracture geometry evaluation

#817
20150252665
2015-09-10

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

#818
20150247950
2015-09-03

Spatial heterodyne integrated computational element (SH-ICE) spectrometer

#819
20150247941
2015-09-03

INTEGRATION OF SEISMIC DATA WITH DOWNHOLE FLUID ANALYSIS TO PREDICT THE LOCATION OF HEAVY HYDROCARBON

#820
20150247818
2015-09-03

Electrochemical hydrogen sensor

#821
20150247383
2015-09-03

Consolidating spacer fluids and methods of use

#822
20150240624
2015-08-27

Determining reserve estimates for a reservoir

#823
20150233233
2015-08-20

Measuring behind casing hydraulic conductivity between reservoir layers

#824
20150226063
2015-08-13

Fluid analysis methods and apparatus for determining gas-oil ratio

#825
20150226061
2015-08-13

SYSTEM AND METHOD FOR ESTIMATING FLOW CAPACITY OF A RESERVOIR

#826
20150226060
2015-08-13

Selectable size sampling apparatus, systems, and methods

#827
20150226059
2015-08-13

Determining properties of OBM filtrates

#828
20150226051
2015-08-13

Systems and methods for locally performing well testing

#829
20150219613
2015-08-06

Determining oil viscosity based on biodegradation

#830
20150219609
2015-08-06

Measurement of hazardous gases in hydraulic fracking sites

#831
20150218942
2015-08-06

Concentric container for fluid sampling

#832
20150218941
2015-08-06

Use of metamaterial to enhance measurement of dielectric properties of a fluid

#833
20150218931
2015-08-06

Detection of influxes and losses while drilling from a floating vessel

#834
20150211362
2015-07-30

SYSTEMS AND METHODS FOR MONITORING DRILLING FLUID CONDITIONS

#835
20150211361
2015-07-30

Flow regime identification with filtrate contamination monitoring

#836
20150211350
2015-07-30

Method for Monitoring and Controlling Drilling Fluids Process

#837
20150198038
2015-07-16

METHODS AND SYSTEMS FOR MONITORING WELL INTEGRITY AND INCREASING THE LIFETIME OF A WELL IN A SUBTERRANEAN FORMATION

#838
20150198037
2015-07-16

Back titration methods for scaling cations and downhole tools for performing such methods

#839
20150184510
2015-07-02

Apparatus and Method for Downhole In-Situ Determaination of Fluid Viscosity

#840
20150176395
2015-06-25

Hydrocarbon well performance monitoring system

#841
20150176392
2015-06-25

Perforating packer casing evaluation methods

#842
20150168585
2015-06-18

Methods for compositional analysis of downhole fluids using data from NMR and other tools

#843
20150168582
2015-06-18

Downhole fluid resistivity sensor systems and methods

#844
20150167456
2015-06-18

METHODS OF PREDICTING A RESERVOIR FLUID BEHAVIOR USING AN EQUATION OF STATE

#845
20150167455
2015-06-18

METHODS OF ANALYZING A RESERVOIR FLUID SAMPLE DURING OR AFTER COLLECTION OF THE SAMPLE USING AN ANALYZER

#846
20150167425
2015-06-18

Completion systems with a bi-directional telemetry system

#847
20150160118
2015-06-11

Method and system for optical measurements of contained liquids having a free surface

#848
20150144333
2015-05-28

Monitoring fluid flow in a downhole assembly

#849
20150143887
2015-05-28

Fluid loss control material tester

#850
20150142319
2015-05-21

Hydrocarbon well performance monitoring system

#851
20150135815
2015-05-21

Variable geometry fracture sealing tester

#852
20150135814
2015-05-21

Method and apparatus for water-based mud filtrate contamination monitoring in real time downhole water sampling

#853
20150122488
2015-05-07

Apparatus and method of using an inline electrical conductivity monitor

#854
20150122487
2015-05-07

Downhole electrochemical sensor and method of using same

#855
20150122478
2015-05-07

Modular connector

#856
20150114837
2015-04-30

Capillary electrophoresis for reservoir fluid analysis at wellsite and laboratory

#857
20150114625
2015-04-30

Method of Acquiring Viscosity of A Downhole Fluid

#858
20150101800
2015-04-16

Variable stiffness downhole tool housing

#859
20150101404
2015-04-16

Sensor characterization apparatus, methods, and systems

#860
20150083403
2015-03-26

Device for sampling fluid under pressure for geological site development monitoring

#861
20150077119
2015-03-19

Three-dimensional focusing induced polarization equipment for advanced geological prediction of water inrush disaster source in underground engineering

#862
20150075802
2015-03-19

Method and Device for Subsea Sampling

#863
20150075780
2015-03-19

Multi-zone completion systems and methods

#864
20150075279
2015-03-19

Density and viscosity sensor and measuring method

#865
20150070000
2015-03-12

Single magnet fluid densitometer

#866
20150068734
2015-03-12

Method of formation evaluation with cleanup confirmation

#867
20150053400
2015-02-26

APPARATUS AND METHOD FOR MIXING FLUIDS

#868
20150007652
2015-01-08

Acoustic determination of the position of a piston with buffer rods

#869
20150007648
2015-01-08

Sampling separation module for subsea or surface application

#870
20150006084
2015-01-01

Method for characterization of hydrocarbon reservoirs

#871
20140377873
2014-12-25

Fossil recognition apparatus, systems, and methods

#872
20140377871
2014-12-25

Method and system for wireless in-situ sampling of a reservoir fluid

#873
20140375321
2014-12-25

SENSOR DEVICE

#874
20140361155
2014-12-11

Fluid analyzer with plasma emission unit and method of using same

#875
20140360257
2014-12-11

System and method for estimating oil formation volume factor downhole

#876
20140352953
2014-12-04

Integrated Computational Element Analysis of Production Fluid in Artificial Lift Operations

#877
20140352421
2014-12-04

Flow through test cell

#878
20140346324
2014-11-27

Compensated optical detection apparatus, systems, and methods

#879
20140345848
2014-11-27

Apparatus and method for representative fluid sampling

#880
20140338439
2014-11-20

Method and apparatus for determining fluid flow characteristics

#881
20140336938
2014-11-13

Methodology for presenting dumpflood data

#882
20140333307
2014-11-13

Downhole salinity measurement

#883
20140332280
2014-11-13

Apparatus and method for fluid property measurements

#884
20140324366
2014-10-30

Systems and methods for analyzing flowback compositions in real time

#885
20140300895
2014-10-09

In situ evaluation of unconventional natural gas reservoirs

#886
20140298899
2014-10-09

Drilling fluid sampling system and sampling heat exchanger

#887
20140293282
2014-10-02

Optical spectrometer and downhole spectrometry method

#888
20140290941
2014-10-02

Sample capture prioritization

#889
20140290391
2014-10-02

Diffusion sampler

#890
20140288836
2014-09-25

METHOD FOR DETERMINING THE INFLOW PROFILE OF FLUIDS OF MULTILAYER DEPOSITS

#891
20140284106
2014-09-25

Formation testing in managed pressure drilling

#892
20140260586
2014-09-18

METHOD TO PERFORM RAPID FORMATION FLUID ANALYSIS

#893
20140253128
2014-09-11

Fluid determination in a well bore

#894
20140239168
2014-08-28

Optical window assembly for an optical sensor of a downhole tool and method of using same

#895
20140238668
2014-08-28

Testing while fracturing while drilling

#896
20140224474
2014-08-14

Apparatus and method for obtaining formation fluid samples utilizing independently controlled devices on a common hydraulic line

#897
20140209763
2014-07-31

Sampling system and method

#898
20140209302
2014-07-31

Packer and packer outer layer

#899
20140208841
2014-07-31

Passive micro-vessel and sensor

#900
20140208840
2014-07-31

Hydrocarbon gas detection device