ClassID:

135725

E21B49/006 - 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 Measuring wall stresses in the borehole

Recent Application in this class:
#1
20260103978
2026-04-16

IN-SITU STRESS MEASUREMENT METHOD BASED ON INDENTATION TECHNOLOGY AND MACHINE LEARNING

#2
20260057328
2026-02-26

COMMON RISK SEGMENTS, FRACTURE RANKING, AND TEXTURE SIMILARITY FOR COMPLETION DECISIONS

#3
20260055700
2026-02-26

METHOD AND APPARATUS FOR STRESS TESTING OF GEOLOGICAL FORMATIONS WITH A HIGH PERMEABILITY

#4
20260049543
2026-02-19

Method and Apparatus for Rock Hydraulic Fracturing under Resonant Excitation

#5
20260036027
2026-02-05

DETERMINING HYDRAULIC FRACTURE PROFILES IN MULTI-LAYERED SUBSURFACE FORMATIONS

#6
20260028907
2026-01-29

SYSTEMS AND METHODS FOR DETERMINING MECHANICAL PROPERTIES IN SUBSURFACE FORMATIONS

#7
20260009328
2026-01-08

SYSTEM AND METHOD FOR MEASURING STRESS IN A ROCK MASS

#8
20250382876
2025-12-18

SYSTEMS AND METHODS FOR ENHANCED NATURAL HYDROGEN EXPLORATION

#9
20250382858
2025-12-18

METHODS FOR DETERMINING SAFE DENSITY WINDOWS OF HYDRATE FORMATION CONSIDERING MUD CAKES

#10
20250327656
2025-10-23

CHARACTERIZING ROCK PROPERTIES WITH OPTICAL ENERGY SOURCES IN A WELLBORE

#11
20250321351
2025-10-16

STRESS SENSITIVITY ANALYSIS METHOD FOR FRACTURED GAS RESERVOIR

#12
20250320813
2025-10-16

CALCULATING CAVING VOLUME FOR DRILLING OPERATIONS

#13
20250320812
2025-10-16

CALCULATING BOREHOLE STABILITY INDEX FOR DRILLING OPERATIONS

#14
20250290408
2025-09-18

FORMATION ELASTIC PROPERTY EVALUATION USING DRILLING DATA BASED ON A BIT-ROCK INTERACTION MODEL

#15
20250271590
2025-08-28

IN-SITU STRESS DETERMINATION TECHNIQUES USING A GEOMECHANICAL MODEL

#16
20250270921
2025-08-28

METHOD AND SYSTEM FOR DETERMINING WELLBORE BREAKDOWN PRESSURES FOR HYDRAULIC STIMULATION OPERATIONS

#17
20250264021
2025-08-21

ESTIMATION OF THE STATIC BULK MODULUS OF A ROCK FROM A PRESSUREMETER TEST

#18
20250257654
2025-08-14

DESIGN OF BOREHOLE COMPLETION PLAN BASED ON A FAILURE MODE OF ROCK

#19
20250243750
2025-07-31

MANAGING SYSTEM PRESSURE WITHIN SHEAR INDUCED FRACTURE FIELD DURING HYDRUALIC FRACTURING OPERATIONS TO INCREASE THE EFFECTIVE ENERGY THAT CAN BE DELIVERED INTO THE RESERVOIR

#20
20250237141
2025-07-24

Maintaining Wellbore Stability during Production

#21
20250067179
2025-02-27

MONITORING AND WARNING DEVICE FOR ROCK BURST IN COAL MINE

#22
20250059887
2025-02-20

ADAPTIVE MULTISCALE NEAR-WELLBORE STRESS AND STABILITY ANALYSIS METHOD

#23
20250059874
2025-02-20

METHOD AND SYSTEM FOR SELECTING LOST CIRCULATION MATERIALS FOR BORING A WELL

#24
20250052141
2025-02-13

FORMATION BREAKDOWN PRESSURE NEAR WELLBORES

#25
20250003336
2025-01-02

CAPTURING MOST SEVERE FAILURE REGIONS AROUND BOREHOLE IN ANALYTICAL POROELASTIC ANALYSIS

#26
20240426199
2024-12-26

Stimulating wells created by underbalanced coiled tubing drilling

#27
20240410264
2024-12-12

SYSTEMS AND METHODS FOR WELL PLACEMENT IN STABLE IN-SITU STRESS FOR HORIZONAL DRILLING

#28
20240376820
2024-11-14

METHOD FOR DETERMINING WELL WALL COLLAPSE OF SINGLE WELL FOR FRACTURED-VUGGY RESERVOIR

#29
20240368984
2024-11-07

Inversion Method to Estimate Fracture Propagation Velocity and Fracture Volume with Cross-Well Distributed Fiber-Optic Strain Data before Fracture Hit

#30
20240352840
2024-10-24

METHOD TO IDENTIFY PERFORATION LOCATIONS FOR FRACTURING DEEP AND TIGHT SANDSTONE RESERVOIR

#31
20240337177
2024-10-10

Methods for Adjusting Treatment Schedules for Hydraulic Fracturing Operations to Limit Pump Time, Pump Volume, and/or Pump Rate

#32
20240309752
2024-09-19

DEVICE FOR MEASURING DEFORMATIONS IN A BOREHOLE

#33
20240211656
2024-06-27

METHOD AND SYSTEM FOR FATIGUE ANALYSIS ON OFFSHORE DEEPWATER DRILLING CONDUCTOR OR SURFACE CASING

#34
20240151870
2024-05-09

Tube Wave Analysis of Well Communication

#35
20240133292
2024-04-25

METHOD FOR PREDICTING EVOLUTION LAW OF ROCK MECHANICAL STRATUM OF FRACTURED RESERVOIR

#36
20240035380
2024-02-01

Coal uncovering construction method for blasting large cross-section gas tunnels

#37
20240027642
2024-01-25

METHOD FOR DETERMINING CONNECTED AND NON-CONNECTED POROSITIES

#38
20240026766
2024-01-25

Real-time fracture volume measurements and predictions

#39
20240018865
2024-01-18

TBM ADAPTIVE SURROUNDING ROCK CLASSIFICATION METHOD ORIENTED TO ADVANCE RATE AND SAFETY

#40
20240012173
2024-01-11

In-situ rock mass elastic modulus measurement system and method

#41
20240011354
2024-01-11

Device for grinding side surface of inner wall of rock borehole

#42
20230400599
2023-12-14

PORE PRESSURE IN UNCONVENTIONAL FORMATIONS

#43
20230399932
2023-12-14

Workflow to evaluate the time-dependent proppant embedment induced by fracturing fluid penetration

#44
20230384479
2023-11-30

NUMERICAL SIMULATION CAPABILITY FOR DETERMINING BLOCKAGES WITHIN A WELLBORE AND WELLBORE COMPLETION SETUPS

#45
20230304398
2023-09-28

ULTRASONIC BOREHOLE CLASSIFICATION METHOD

#46
20230272712
2023-08-31

DOWNHOLE FLAT-JACK IN-SITU STRESS TOOL (DFISS) FOR DIRECT IN-SITU STRESS MEASUREMENT IN DEEP WELLS

#47
20230272711
2023-08-31

OPTIMIZING HYDROCARBON RECOVERY THROUGH INTEGRATED UTILIZATION OF GEOMECHANICS AND INJECTION/PRODUCTION USING MACHINE LEARNING

#48
20230258068
2023-08-17

Method To Assess Risk Of Fluid Flow And Associated Long Term Damage Of Annular Cement

#49
20230203944
2023-06-29

Auto-collapsible pore pressure probe device and operating method thereof

#50
20230193752
2023-06-22

WORKFLOW FOR OPTIMIZING ENGINEERING PROCEDURE TO REDUCE BOREHOLE BREAKDOWN PRESSURE BY COMBINATION OF ORIENTED NOTCHING/PERFORATION AND FLUID CHEMICAL CONDITIONING PROCESS IN OPEN AND CASED HOLE

#51
20230112008
2023-04-13

Method to tailor cement properties and optimize injection schedule for near wellbore integrity in carbon storage/injection wells

#52
20230108919
2023-04-06

METHOD FOR PREDICTING FRACTURE HEIGHT DURING FRACTURING STIMULATION IN MULTI-LAYER FORMATION

#53
20230086947
2023-03-23

Method and apparatus for optimizing drilling using drill bit generated acoustic signals

#54
20230082833
2023-03-16

System and methods for estimating subsurface horizontal principal stresses in anisotropic formations

#55
20230031116
2023-02-02

METHOD OF QUANTITATIVE EVALUATION ON STRUCTURAL DISTURBANCE CHARACTERISTICS OF PRESENT IN-SITU GEO-STRESS IN DEEP SHALE GAS RESERVOIRS

#56
20230012429
2023-01-12

Constrained Natural Fracture Parameter Hydrocarbon Reservoir Development

#57
20220381946
2022-12-01

Predicting formation breakdown pressure for hydrocarbon recovery applications

#58
20220325621
2022-10-13

Method of measuring reservoir and fracture strains, crosswell fracture proximity and crosswell interactions

#59
20220291419
2022-09-15

METHODS AND SYSTEMS FOR MONITORING WELLBORE INTEGRITY THROUGHOUT A WELLBORE LIFECYCLE USING MODELING TECHNIQUES

#60
20220290548
2022-09-15

Hydraulic fracturing

#61
20220243574
2022-08-04

Linear calibration method for lithostatic stress results from basin modeling

#62
20220229201
2022-07-21

PORE PRESSURE IN UNCONVENTIONAL FORMATIONS

#63
20220228482
2022-07-21

SYSTEMS AND METHODS FOR DETERMINING MECHANICAL PROPERTIES IN SUBSURFACE FORMATIONS

#64
20220196629
2022-06-23

Pressure meter testing apparatus and method

#65
20220178251
2022-06-09

System and method for evaluating static elastic modulus of subterranean formation

#66
20220120933
2022-04-21

METHOD OF DETECTION OF HYDROCARBON HORIZONTAL SLIPPAGE PASSAGES

#67
20220106869
2022-04-07

BREAKDOWN PRESSURE REDUCTION BASED ON INJECTION OF COOLING AGENTS

#68
20220099853
2022-03-31

Subsurface characteristic modeling

#69
20220098973
2022-03-31

Downhole investigation tool

#70
20220082015
2022-03-17

WELL SENSORS

#71
20220074301
2022-03-10

Determining fluid distribution and hydraulic fracture orientation in a geological formation

#72
20220049604
2022-02-17

Shale gas well dynamic production allocating method

#73
20220049591
2022-02-17

Method for evaluating and preventing creep damage to conductivity of hydraulic fracture in gas reservoirs

#74
20220010668
2022-01-13

WELLBORE ISOLATION BARRIER MONITORING

#75
20220010667
2022-01-13

Setting a wellbore casing in a salt formation

#76
20210404331
2021-12-30

FINE IDENTIFICATION METHOD OF TIGHT RESERVOIR FRACTURE BASED ON CONVENTIONAL LOGGING DATA

#77
20210400628
2021-12-23

In-situ geomechanical testing

#78
20210396119
2021-12-23

Systems and methods of utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units

#79
20210363882
2021-11-25

Methods and systems for determining optimum pressure drawdown in a production well for a shale gas reservoir

#80
20210324704
2021-10-21

Designing a wellbore cement sheath in compacting or subsiding formations

#81
20210301656
2021-09-30

Downhole strain sensor

#82
20210301654
2021-09-30

Estimation of fracture complexity

#83
20210270116
2021-09-02

Hydraulic fracturing

#84
20210246782
2021-08-12

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

#85
20210189875
2021-06-24

Estimating a formation index using pad measurements

#86
20210172316
2021-06-10

METHOD OF MODELLING A SEDIMENTARY BASIN USING A HEX-DOMINANT MESH REPRESENTATION

#87
20210172315
2021-06-10

Pressure testing systems for subterranean rock formations

#88
20210156249
2021-05-27

Method for determining three-dimensional in-situ stress based on displacement measurement of borehole wall

#89
20210156248
2021-05-27

Discrimination between subsurface formation natural fractures and stress induced tensile fractures based on borehole images

#90
20210140313
2021-05-13

Geomechanical modeling of stimulated rock volume stress conditions at multiple scales

#91
20210131261
2021-05-06

Determining proppant distribution for a plurality of clusters within a fracture stage

#92
20210131251
2021-05-06

Real-time optimization of stimulation treatments for multistage fracture stimulation

#93
20210131250
2021-05-06

Wellbore to fracture connectivity

#94
20210131249
2021-05-06

Determining a hydraulic fracture completion configuration for a wellbore

#95
20210115790
2021-04-22

Borehole pressure-shear test apparatus capable of measuring horizontal displacement by borehole wall pressing configuration using wedge element

#96
20210054735
2021-02-25

Measuring horizontal stress in an underground formation

#97
20210017857
2021-01-21

Wellbore stability prediction

#98
20200347722
2020-11-05

SYSTEM AND METHOD FOR STRESS INVERSION VIA IMAGE LOGS AND FRACTURING DATA

#99
20200332655
2020-10-22

Method for predicting the optimal shut-in duration by coupling fluid flow and geological stress

#100
20200332635
2020-10-22

Simultaneous injection and fracturing interference testing

#101
20200332634
2020-10-22

Simultaneous injection and fracturing interference testing

#102
20200325759
2020-10-15

GEOLOGICAL SETTINGS PRONE TO CASING DEFORMATION POST HYDRAULIC FRACTURE INJECTION

#103
20200319077
2020-10-08

FRACTURE LENGTH AND FRACTURE COMPLEXITY DETERMINATION USING FLUID PRESSURE WAVES

#104
20200318959
2020-10-08

Real-time monitoring apparatus for seafloor deformation during hydrate exploitation

#105
20200318476
2020-10-08

Simulation test system for gas extraction from tectonically-deformed coal seam in-situ by depressurizing horizontal well cavity

#106
20200284934
2020-09-10

Sensing-acquisition-wireless transmission integrated microseismic monitoring system and method

#107
20200256187
2020-08-13

SYSTEMS AND METHODS FOR CLASSIFYING MECHANICAL QUALITY OF A SUBTERRANEAN FORMATION USING MEASUREMENTS OBTAINED DURING DRILLING

#108
20200256175
2020-08-13

Stimulating U-shape wellbores

#109
20200256174
2020-08-13

Stimulating U-shape wellbores

#110
20200217766
2020-07-09

Identifying fracture barriers for hydraulic fracturing

#111
20200199998
2020-06-25

Injection wells

#112
20200149984
2020-05-14

In-situ stress measurement method

#113
20200141231
2020-05-07

Determining a mudweight of drilling fluids for drilling through naturally fractured formations

#114
20200102822
2020-04-02

Method of determining maximum stress in a well drilled in a reservoir

#115
20200088023
2020-03-19

Systems and methods for sensing downhole cement sheath parameters

#116
20200045670
2020-02-06

In-situ geomechanical testing

#117
20200018160
2020-01-16

Wellbore failure analysis and assessment

#118
20200018159
2020-01-16

Systems and methods to identify and inhibit spider web borehole failure in hydrocarbon wells

#119
20200003667
2020-01-02

Method for determining physical similarity simulation material of solid backfill body

#120
20190368348
2019-12-05

Salt mobility assessment and review technique (smart) for exploratory wells

#121
20190360904
2019-11-28

Method for measuring stress field variations during COfracturing process

#122
20190353033
2019-11-21

Systems and methods to predict and inhibit broken-out drilling-induced fractures in hydrocarbon wells

#123
20190338638
2019-11-07

Performing a well operation based upon a minimum in-situ stress determination

#124
20190330981
2019-10-31

Estimation of horizontal stresses and nonlinear constants in anisotropic formations such as interbedded carbonate layers in organic-shale reservoirs

#125
20190309618
2019-10-10

Real-time well bashing decision

#126
20190264559
2019-08-29

Determining a mudweight of drilling fluids for drilling through naturally fractured formations

#127
20190235109
2019-08-01

Generating a high-resolution lithology model for subsurface formation evaluation

#128
20190226956
2019-07-25

Determining in-situ rock stress

#129
20190153859
2019-05-23

Apparatus and method using measurements taken while drilling to map mechanical boundaries and mechanical rock properties along a borehole

#130
20190146115
2019-05-16

Tube wave analysis of well communication

#131
20190145252
2019-05-16

Embeddable downhole probe

#132
20190064387
2019-02-28

Distributed measurement of minimum and maximum in-situ stress in substrates

#133
20190025461
2019-01-24

Rock physics based method of integrated subsurface reservoir characterization for use in optimized stimulation design of horizontal wells

#134
20190024506
2019-01-24

Determination of horizontal constraints in subsoil

#135
20190017365
2019-01-17

Downhole cement strain gauge

#136
20180371886
2018-12-27

Simultaneous injection and fracturing interference testing

#137
20180363461
2018-12-20

Method of monitoring of hydraulic fracture closure stress with tracers (variants)

#138
20180335538
2018-11-22

Resource production forecasting

#139
20180335374
2018-11-22

Radial core flooding apparatus and method for analysis of static and/or dynamic properties of reservoir rock

#140
20180334903
2018-11-22

One run reservoir evaluation and stimulation while drilling

#141
20180328827
2018-11-15

WELLBORE MATERIAL CONTINUOUS HARDNESS TESTING METHODS AND TOOLS

#142
20180275301
2018-09-27

Stimulated fracture network partitioning from microseismicity analysis

#143
20180238169
2018-08-23

Real-time control of diverters

#144
20180209267
2018-07-26

Integrated Workflow For Feasibility Study Of Cuttings Reinjection Based On 3-D Geomechanics Analysis

#145
20180203154
2018-07-19

Modular electrode tool for improved hydraulic fracture diagnostics

#146
20180156677
2018-06-07

Cement having stress-indicating properties

#147
20170362935
2017-12-21

Workflows to address localized stress regime heterogeneity to enable hydraulic fracturing

#148
20170342827
2017-11-30

Systems and methods for acoustic testing of laminated rock to determine total organic carbon content

#149
20170335682
2017-11-23

INTELLIGENT DRILLING RISER TELEMETRY SYSTEM

#150
20170335642
2017-11-23

Drilling fluid disposal injection system and method

#151
20170298727
2017-10-19

Geological log data processing methods and apparatuses

#152
20170275989
2017-09-28

Apparatus and method using measurements taken while drilling cement to obtain absolute values of mechanical rock properties along a borehole

#153
20170254186
2017-09-07

Methods for creating multiple hydraulic fractures in oil and gas wells

#154
20170235016
2017-08-17

In situ stress properties

#155
20170227663
2017-08-10

Analysis of microseismic supported stimulated reservoir volumes

#156
20170218753
2017-08-03

Estimating in situ stress from acoustic emission source parameters

#157
20170199297
2017-07-13

Geological log data processing methods and apparatuses

#158
20170067808
2017-03-09

Specimen for evaluating pressure pulse cavitation in rock formations

#159
20170067337
2017-03-09

Apparatus and method using measurements taken while drilling to generate and map mechanical boundaries and mechanical rock properties along a borehole

#160
20170022806
2017-01-26

Systems, methods and apparatus for downhole monitoring

#161
20170009575
2017-01-12

Rock strength and in-situ stresses from drilling response

#162
20160362972
2016-12-15

Systems and methods for estimating forces on a drill bit

#163
20160356697
2016-12-08

Measuring critical shear stress for mud filtercake removal

#164
20160356128
2016-12-08

Power wave optimization for oil and gas extracting processes

#165
20160341849
2016-11-24

System and method for stress inversion via image logs and fracturing data

#166
20160319661
2016-11-03

Using downhole strain measurements to determine hydraulic fracture system geometry

#167
20160290130
2016-10-06

Apparatus and method using measurements taken while drilling to map mechanical boundaries and mechanical rock properties along a borehole

#168
20160290123
2016-10-06

Method and apparatus for casing thickness estimation

#169
20160282507
2016-09-29

HYDRAULIC FRACTURE GEOMETRY MONITORING WITH DOWNHOLE DISTRIBUTED STRAIN MEASUREMENTS

#170
20160281499
2016-09-29

Borehole stress meter system and method for determining wellbore formation instability

#171
20160186557
2016-06-30

Method and apparatus of determining stiffness coefficients of formation

#172
20160177706
2016-06-23

Formation fracturing potential using surrounding pore pressures

#173
20160069182
2016-03-10

Apparatus and method using measurements taken while drilling to map mechanical boundaries and mechanical rock properties along a borehole

#174
20160010443
2016-01-14

Method for performing wellbore fracture operations using fluid temperature predictions

#175
20160003020
2016-01-07

METHODS FOR TIME-DELAYED FRACTURING IN HYDROCARBON FORMATIONS

#176
20150377019
2015-12-31

In-situ geomechanical testing

#177
20150361790
2015-12-17

Method for revealing anomalous discontinuity interfaces in pore pressures in non-drilled geological formations and a system implementing it

#178
20150361778
2015-12-17

Acoustic method and device for facilitation of oil and gas extracting processes

#179
20150315894
2015-11-05

MODEL FOR STRENGTHENING FORMATIONS

#180
20150300161
2015-10-22

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

#181
20150292323
2015-10-15

System and method for integrated wellbore stress, stability and strengthening analyses

#182
20150285070
2015-10-08

Method and apparatus for resistivity measurements

#183
20150275639
2015-10-01

Cavitation-based hydro-fracturing simulator

#184
20150260870
2015-09-17

Estimating formation stresses using radial profiles of three shear moduli

#185
20150219791
2015-08-06

Method of and apparatus for calculating UCS and CCS

#186
20150218925
2015-08-06

Competition between transverse and axial hydraulic fractures in horizontal well

#187
20150144330
2015-05-28

Subterranean formation methods and apparatus

#188
20150129211
2015-05-14

Multl-stage fracture injection process for enhanced resource production from shales

#189
20150088427
2015-03-26

Method for hydrocarbon recovery with change detection and related apparatus

#190
20150068737
2015-03-12

Logging tool and method of use

#191
20150060053
2015-03-05

Method for adaptive optimizing of heterogeneous proppant placement under uncertainty

#192
20150055438
2015-02-26

Formation stability modeling

#193
20140246244
2014-09-04

Enhanced 1-D method for prediction of mud weight window for subsalt well section

#194
20140200811
2014-07-17

Identifying reservoir drainage patterns from microseismic data

#195
20140184228
2014-07-03

Method for treating and measuring subterranean formations

#196
20140182844
2014-07-03

System and method for performing wellbore stimulation operations

#197
20140166275
2014-06-19

System and method for determining mechanical properties of a formation

#198
20140096956
2014-04-10

SYSTEM AND METHOD OF MONITORING DISPLACEMENT OF A MEMBER DURING A DOWNHOLE COMPLETION OPERATION

#199
20140090891
2014-04-03

Azimuthal brittleness logging systems and methods

#200
20140069653
2014-03-13

Method for transverse fracturing of a subterranean formation

#201
20140027112
2014-01-30

Systems and methods for measuring parameters of a formation

#202
20140019047
2014-01-16

Multi-information coupling prediction method of coal and gas outburst danger

#203
20130336541
2013-12-19

Geological log data processing methods and apparatuses

#204
20130094325
2013-04-18

LOOK-AHEAD SEISMIC WHILE DRILLING

#205
20120234600
2012-09-20

Downhole rebound hardness measurement while drilling or wireline logging

#206
20120217008
2012-08-30

System and method for stress field based wellbore steering

#207
20120215451
2012-08-23

Pore pressure from spectroscopy and sonic data

#208
20120152529
2012-06-21

Electrical methods fracture detection via 4D techniques

#209
20120152010
2012-06-21

Apparatus and measuring stress in a subterranean formation

#210
20120150515
2012-06-14

In-situ stress measurements in hydrocarbon bearing shales

#211
20120139746
2012-06-07

Self adaptive two dimensional filter for distributed sensing data

#212
20120118395
2012-05-17

REPETITIVE PRESSURE-PULSE APPARATUS AND METHOD FOR CAVITATION DAMAGE RESEARCH

#213
20120111559
2012-05-10

METHOD FOR FRACTURING AND ANALYZING AN EARTHEN FORMATION SURROUNDING A WELL BORE

#214
20120029826
2012-02-02

Apparatus and method for predicting vertical stress fields

#215
20120024600
2012-02-02

Method and apparatus for resistivity measurements

#216
20110283807
2011-11-24

Apparatus and method for characterizing stresses of a formation

#217
20110274429
2011-11-10

Method and apparatus for phase shift keyed optical communications

#218
20110141847
2011-06-16

Method and apparatus for measuring pore pressure beyond the casing

#219
20110067870
2011-03-24

Complex fracturing using a straddle packer in a horizontal wellbore

#220
20110022320
2011-01-27

Method of predicting mechanical properties of rocks using mineral compositions provided by in-situ logging tools

#221
20110010097
2011-01-13

Borehole stress module and methods for use

#222
20100218941
2010-09-02

Determining the use of stimulation treatments based on high process zone stress

#223
20100206548
2010-08-19

Methods and apparatus to perform stress testing of geological formations

#224
20100204972
2010-08-12

Method for predicting well reliability by computer simulation

#225
20100199751
2010-08-12

FULL BODY PROBE

#226
20100191511
2010-07-29

Method for multi-scale geomechanical model analysis by computer simulation

#227
20100088078
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