135674 ⎘
Measuring the drilling time or rate of penetration
METHODS FOR SELECTING AND OPTIMIZING DRILLING SYSTEMS
#302Method and apparatus for detecting downhole torsional vibration based on measurement of surface torque
#303Drilling a wellbore
#304System and console for monitoring and managing well site drilling operations
#305System and console for monitoring and managing well site operations
#306Closed loop control of drilling toolface
#307Automated rig activity report generation
#308Closed-loop drilling parameter control
#309Automated drilling optimization
#310Excavation status monitoring system for tunneling machine
#311SYSTEM AND METHOD PROVIDING REAL-TIME ASSISTANCE TO DRILLING OPERATION
#312Method and system for prioritizing and allocating well operating tasks
#313Method to Detect Drilling Dysfunctions
#314Toroidal link for RPM measurement
#315System and method for detecting vibrations using an opto-analytical device
#316Monitor and control of directional drilling operations and simulations
#317System and method for determining torsion using an opto-analytical device
#318Downhole depth measurement using tilted ribs
#319Control variable determination to maximize a drilling rate of penetration
#320Estimating and predicting wellbore tortuosity
#321Method and apparatus for communicating incremental depth and/or other useful data of a downhole tool
#322Well-Logging System With Data Synchronization And Methods
#323Closed loop model predictive control of directional drilling attitude
#324Drilling speed and depth computation for downhole tools
#325Method of, and a system for, drilling to a position relative to a geological boundary
#326System and method for wireline tool pump-down operations
#327Wellbore pipe trip guidance and statistical information processing method
#328Automatic wellbore activity schedule adjustment method and system
#329Method for calculating and displaying optimized drilling operating parameters and for characterizing drilling performance with respect to performance benchmarks
#330Rotational downlinking to rotary steerable system
#331Systems and methods of drilling control
#332Drill Bit Assembly Having Electrically Isolated Gap Joint for Measurement of Reservoir Properties
#333Analysis of drillstring dynamics using angular and linear motion data from multiple accelerometer pairs
#334Drilling system
#335Eccentric steering device and methods of directional drilling
#336Drilling control and information system
#337Composite retention feature
#338System and console for monitoring and managing well site operations
#339METHODS AND SYSTEMS FOR MONITORING DIRECTIONAL DRILLING
#340Drilling advisory systems and methods to filter data
#341Environmental severity measurement tool
#342Measuring torque in a downhole environment
#343Method and system for controlling tongs make-up speed and evaluating and controlling torque at the tongs
#344Graph to analyze drilling parameters
#345Measuring speed of rotation of a downhole motor
#346Drilling optimization with a downhole motor
#347Optimized drilling
#348Methods and systems for real-time monitoring and processing of wellbore data
#349High definition drilling rate of penetration for marine drilling
#350System and method for surface steerable drilling
#351System and method for determining incremental progression between survey points while drilling
#352Modeling passage of a tool through a well
#353System and method for stick-slip correction
#354Drill bit assembly having electrically isolated gap joint for measurement of reservoir properties
#355Graph to analyze drilling parameters
#356Apparatus and method for drilling wellbores based on mechanical specific energy determined from bit-based weight and torque sensors
#357Mechanical specific energy drilling system
#358Method and apparatus for automated drilling of a borehole in a subsurface formation
#359Methods to estimate downhole drilling vibration amplitude from surface measurement
#360Methods to estimate downhole drilling vibration indices from surface measurement
#361Device and method of determining rate of penetration and rate of rotation
#362Drill bit with rate of penetration sensor
#363SYSTEM AND METHOD FOR ESTIMATING VELOCITY OF A DOWNHOLE COMPONENT
#364Method and system for controlling tongs make-up speed and evaluating and controlling torque at the tongs
#365Drill bit with a sensor for estimating rate of penetration and apparatus for using same
#366Method of drilling and production hydrocarbons from subsurface formations
#367Method for predicting rate of penetration using bit-specific coefficients of sliding friction and mechanical efficiency as a function of confined compressive strength
#368Method of drilling and producing hydrocarbons from subsurface formations
#369Apparatus and method for downhole dynamics measurements
#370System, method and apparatus for petrophysical and geophysical measurements at the drilling bit
#371Data logging
#372Wellbore operations monitoring and control systems and methods
#373Method for predicting rate of penetration using bit-specific coefficient of sliding friction and mechanical efficiency as a function of confined compressive strength
#374Downhole rate of penetration sensor assembly and method
#375System, method and apparatus for petrophysical and geophysical measurements at the drilling bit
#376Monitoring a drilling operation using artificial intelligence
#377Systems and methods for determining wear of downhole tools
#378Real time artificial intelligence prediction of hydrogen sulfide based on mudlogging data
#379Advanced sonde reliability monitoring, apparatus and associated methods
#380Advanced sonde reliability monitoring, apparatus and associated methods
#381Formation dip geo-steering method
#382Cross-plot engineering system and method
#383Formation dip geo-steering method
#384Advanced sonde reliability monitoring, apparatus and associated methods
#385Multi-directionally rotating downhole drilling assembly and method
#386Drilling rig with position and velocity measuring tool for standard and directional drilling
#387Cross-plot engineering system and method