135726 ⎘
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 by injection test; by analysing pressure variations in an injection or production test, e.g. for estimating the skin factor
System and method for performing wellbore stimulation operations
#302Method of monitoring the flow of natural or injected water during oil field recovery processes using an organic tracer
#303NMR tracking of injected fluids
#304Single trip multi-zone drill stem test system
#305Natural fracture injection test
#306Active seismic monitoring of fracturing operations and determining characteristics of a subterranean body using pressure data and seismic data
#307Pore pressure measurement in low-permeability and impermeable materials
#308Method for estimating properties of a subterranean formation
#309Method for measuring pressure in an underground formation
#310Automatic fluid coding and hydraulic zone determination
#311Sampling tool with dual flowline architecture
#312Monitoring of reservoir fluid moving along flow pathways in a producing oil field using passive seismic emissions
#313SYSTEM AND METHOD FOR CHARACTERIZING A FLOW PROPERTY OF A PRODUCTION WELL SITE IN A RESERVOIR
#314SYSTEM AND METHOD FOR MODELING SHALE DISCONTINUITY
#315Method and apparatus for testing lost circulation materials for subterranean formations
#316Method for determining the profile of an inflow and the parameters of a well-surrounding area in a multipay well
#317Single pump focused sampling
#318Method of measuring parameters of a porous medium using nanoparticle injection
#319Method for quantitatively assessing connectivity for well pairs at varying frequencies
#320Apparatus, system and method for injecting a fluid into a formation downhole
#321Autonomous formation pressure test process for formation evaluation tool
#322Carbon-based fluorescent tracers as oil reservoir nano-agents
#323Formation testing planning and monitoring
#324Fluid minotiring and flow characterization
#325Measurement pretest drawdown methods and apparatus
#326Method of fracturing a subterranean formation at optimized and pre-determined conditions
#327Method for characterizing subsurface formations using fluid pressure response during drilling operations
#328Dispersing separated hydrocarbon gas into separated oil during surface well testing for improved oil mobility
#329Pore pressure from spectroscopy and sonic data
#330Rotational wellbore test valve
#331Measurement of hydraulic head profile in geologic media
#332Method of determining reservoir pressure
#333In-situ stress measurements in hydrocarbon bearing shales
#334Modular pumpouts and flowline architecture
#335Method for characterizing the fracture network of a fractured reservoir and method for developing it
#336Method for determination of fluid influx profile and near-wellbore area parameters
#337Method of determination of fluid influx profile and near-wellbore space parameters
#338Reservoir pressure testing to determine hydrate composition
#339Radial waves in a borehole and stoneley waves for measuring formation permeability and electroacoustic constant
#340Methods for borehole measurements of fracturing pressures
#341Tool and method for determining formation parameter
#342Method of fracturing a subterranean formation at optimized and pre-determined conditions
#343Method of fracturing a subterranean formation at optimized and pre-determined conditions
#344Method of fracturing a subterranean formation at optimized and pre-determined conditions
#345Downhole fluid injection
#346Tool to determine formation fluid movement
#347Methods, systems and apparatus for coiled tubing testing
#348Active seismic monitoring of fracturing operations and determining characteristics of a subterranean body using pressure data and seismic data
#349Multi-Well Interference Testing and In-Situ Reservoir Behavior Characterization
#350Interference testing while drilling
#351Formation evaluation instrument and method
#352METHOD FOR THE IDENTIFICATION OF THE FORMATION FLUID INVASION MOMENT
#353DETECTING ACOUSTIC SIGNALS FROM A WELL SYSTEM
#354Apparatus and methods for characterizing a reservoir
#355Apparatus and methods for pulse testing a formation
#356Well jet device for logging and developing horizontal wells with abnormally low formation pressure
#357Fluid monitoring and flow characterization
#358Retrievable downhole testing tool
#359WELL JET DEVICE AND THE OPERATION METHOD THEREOF
#360Injection-backflow technique for measuring fracture surface area adjacent to a wellbore
#361METHOD OF USING PRESSURE SIGNATURES TO PREDICT INJECTION WELL ANOMALIES
#362Assembly and method for transient and continuous testing of an open portion of a well bore
#363Method for determining filtration properties of rocks
#364Apparatus and method for predicting properties of earth formations
#365Thickness-independent computation of horizontal and vertical permeability
#366USE OF CALIBRATION INJECTIONS WITH MICROSEISMIC MONITORING
#367Method for controlling production and downhole pressures of a well with multiple subsurface zones and/or branches
#368Well test system to control well processes based on quantity measurements
#369Methods and apparatus to perform stress testing of geological formations
#370Multi-functional completion tool
#371Devices and methods for formation testing by measuring pressure in an isolated variable volume
#372Single pump focused sampling
#373Method and apparatus for real time oil based mud contamination monitoring
#374Formation evaluation system and method
#375Well jet device for well-logging operations and the operating method thereof
#376Instrumented formation tester for injecting and monitoring of fluids
#377Method of estimating physical parameters of a geological formation
#378Method of fracturing a subterranean formation at optimized and pre-determined conditions
#379Pressure interference testing for estimating hydraulic isolation
#380Measuring properties of low permeability formations
#381Methods and apparatus to perform pressure testing of geological formations
#382METHOD FOR TESTING AN ENGINEERED GEOTHERMAL SYSTEM USING ONE STIMULATED WELL
#383Managing flow testing and the results thereof for hydrocarbon wells
#384Automated hydrocarbon reservoir pressure estimation
#385System, program product, and related methods for performing automated real-time reservoir pressure estimation enabling optimized injection and production strategies
#386Annular region evaluation in sequestration wells
#387Method of miscible injection testing of oil wells and system thereof
#388Real time formation pressure test and pressure integrity test
#389Tool and method for determining formation parameter
#390Refracture-candidate evaluation and stimulation methods
#391METHOD AND APPARATUS FOR SAMPLING AND/OR TESTING DOWNHOLE FORMATIONS
#392DATA GATHERING, TRANSMISSION, INTEGRATION AND INTERPRETATION DURING COILED TUBING WELL TESTING OPERATIONS
#393ANALYZING DYNAMIC PERFORMANCE OF RESERVOIR DEVELOPMENT SYSTEM BASED ON THERMAL TRANSIENT DATA
#394Mobile vacuum sampling system
#395Monitoring of downhole parameters and tools utilizing fiber optics
#396Logging while drilling system
#397Systems and methods for well data analysis
#398System and method for optimizing production in a well
#399Testing process for hydrocarbon wells at zero emissions
#400Method and apparatus
#401Multi-function completion tool
#402Technique and apparatus to perform a leak off test in a well
#403Method and system for interpreting swabbing tests using nonlinear regression
#404Methods and systems for evaluating and treating previously-fractured subterranean formations
#4052D Well Testing with Smart Plug Sensor
#406Pressure interference testing for estimating hydraulic isolation
#407Method and apparatus for formation testing
#408METHODS AND SYSTEMS FOR MONITORING NEAR-WELLBORE AND FAR-FIELD RESERVOIR PROPERTIES USING FORMATION-EMBEDDED PRESSURE SENSORS
#409Method of fracturing a subterranean formation at optimized and pre-determined conditions
#410Method and apparatus for formation testing
#411Method for measuring formation properties with a time-limited formation test
#412Interpreting well test measurements
#413Practical methods to estimate horizontal and vertical permeabilities
#414Methods and systems for determining reservoir properties of subterranean formations with pre-existing fractures
#415Formation evaluation system and method
#416Methods and systems for determining reservoir properties of subterranean formations
#417Methods, systems and apparatus for coiled tubing testing
#418Diagnosis of formation characteristics in wells
#419Methods and devices for analyzing and controlling the propagation of waves in a borehole generated by water hammer
#420Method to measure injector inflow profiles
#421Apparatus and method for sensing downhole parameters
#422Method for measuring formation properties with a formation tester
#423Method and system for estimating the amount of supercharging in a formation
#424Method of determining the per strata reserve quality of an oil well
#425Determination of correct horizontal and vertical permeabilities in a deviated well
#426Determining horizontal and vertical permeabilities by analyzing two pretests in a horizontal well
#427Determination of correct horizontal and vertical permeabilities in a deviated well
#428Methods to detect formation pressure
#429Sensor system
#430Methods for using a formation tester
#431Method and an apparatus for detecting fracture with significant residual width from previous treatments
#432Methods and apparatus for estimating physical parameters of reservoirs using pressure transient fracture injection/falloff test analysis
#433System for evaluating over and underbalanced drilling operations
#434Method for measuring formation properties with a time-limited formation test
#435Method and probe for measuring hydraulic conductivity of soil
#436Method for measuring formation properties with a time-limited formation test
#437Method for borehole conductivity profiling
#438Method for determining pressure of earth formations
#439Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement
#440Method for measuring formation properties with a time-limited formation test
#441Method for measuring formation properties with a time-limited formation test
#442Determining the pressure of formation fluid in earth formations surrounding a borehole
#443Providing a light cell in a wellbore
#444Maximizing stimulation efficiency and contact area for heat harvesting
#445Wireline conveyed casing test plug with a burst disk and pressure test tool assembly
#446Method and device for determining fracture closure pressure based on hydraulic fracturing
#447Dummy well set-up for testing logging tools
#448Fracture reactivation index (FRI) for seal integrity analysis in carbon capture and storage (CCS)
#449Systems and methods for conformance control of a wellbore
#450Compact apparatus for quick core flood tests and method of use
#451Noise characterization in formation testing
#452Stage profiles for operations of hydraulic systems and associated methods
#453Ruggedized downhole tool for real-time measurements and uses thereof