Matches 1 - 50 out of 59 1 2 >


Match Document Document Title
US20130161096 SYSTEM AND METHOD FOR DETERMINING INCREMENTAL PROGRESSION BETWEEN SURVEY POINTS WHILE DRILLING  
A system and method for surface steerable drilling are provided. In one example, the system receives toolface information for a bottom hole assembly (BHA) and non-survey sensor information...
US20080230270 Arrangement for Positioning Rock Drilling Rig on Drilling Site  
A method for positioning a rock drilling rig to a drilling site and a rock drilling rig. In positioning the rock drilling rig is driven to the positioning station such that its carrier is at...
US20110162888 SYSTEM AND METHOD FOR THE AUTONOMOUS DRILLING OF GROUND HOLES  
Embodiments include a method for the autonomous drilling of ground holes by a drill rig including a drilling arrangement. The method includes the step of utilising an autonomous drilling procedure...
US20090038847 User interface for rock drilling rig  
The invention relates to a control apparatus for controlling a rock-drilling rig performing a multiphase rock-drilling event. The control apparatus is arranged to display a working phase indicator...
US20120241217 WELL DRILLING METHODS WITH AUTOMATED RESPONSE TO EVENT DETECTION  
A well drilling method can include detecting a drilling event by comparing a parameter signature generated during drilling to an event signature indicative of the drilling event, and automatically...
US20120138362 METHOD AND APPARATUS FOR AUTOMATED DRILLING OF A BOREHOLE IN A SUBSURFACE FORMATION  
A method for automated drilling of a borehole in a subsurface formation includes drilling the borehole using a set of drilling control variables assigned a set of values. An automated drilling...
US20090159281 RUNNING BORE-LINING TUBULARS  
A method of running a tubular string into a wellbore comprises running a bore-lining tubular string into a wellbore substantially without rotation, while rotating a cutting structure at a distal...
US20090078462 Directional Drilling Control  
Methods and apparatus for using a quill to steer a hydraulic motor when elongating a wellbore in a direction having a horizontal component, wherein the quill and the hydraulic motor are coupled to...
US20070029112 Bidirectional drill string telemetry for measuring and drilling control  
The disclosure has application for use in conjunction with an operation of drilling an earth borehole using: a drilling rig, a drill string having its generally upper end mechanically coupleable...
US20130161097 SYSTEM AND METHOD FOR SURFACE STEERABLE DRILLING  
A system and method for surface steerable drilling are provided. In one example, the method includes monitoring operating parameters for drilling rig equipment and bottom hole assembly (BHA)...
US20140251687 DIGITAL UNDERREAMER  
Wellbore drilling apparatus and methods are provided. The apparatus includes a reaming subassembly including one or more reamers configured to ream a wellbore. The reaming subassembly defines a...
US20150053484 HOLE ENLARGEMENT DRILLING DEVICE AND METHODS FOR USING SAME  
A bottomhole assembly (BHA) coupled to a drill string includes one or more controllers, and a hole enlargement device that selectively enlarges the diameter of the wellbore formed by the drill...
US20120298420 Methods For Characterization Of Formations, Navigating Drill Paths, And Placing Wells In Earth Boreholes  
A method for directing bore-hole drilling in a target earth formation includes the following steps: providing drilling equipment having a bottom hole assembly that includes a controllable...
US20120255778 DRILLING CONTROL SYSTEM AND METHOD  
A method of operating a drill string includes receiving signals indicative of rotation of a bottom hole assembly (BHA) of the drill string; receiving signals indicative of the torque experience by...
US20110174539 Advanced Underground Homing System, Apparatus and Method  
A boring tool that is moved by a drill string to form an underground bore. A transmitter transmits a time varying dipole field as a homing field from the boring tool. A pitch sensor detects a...
US20090272578 DUAL MOTOR SYSTEMS AND NON-ROTATING SENSORS FOR USE IN DEVELOPING WELLBORES IN SUBSURFACE FORMATIONS  
A method for forming a subsurface wellbore is disclosed. The method includes operating a drilling string in a first direction of rotation. A first motor located near the end of the drilling string...
US20110024187 DIRECTIONAL DRILLING CONTROL APPARATUS AND METHODS  
Methods and apparatus for using a quill to steer a hydraulic motor when elongating a wellbore in a direction having a horizontal component, wherein the quill and the hydraulic motor are coupled to...
US20100108383 Drilling Apparatus and Method  
A drilling apparatus includes an upper drill string, a lower drill string including a rotary drilling motor, an orientable rotatable connection between the drill strings, a reactive torque control...
US20080175099 FLUID CHARACTERIZATION FROM ACOUSTIC LOGGING DATA  
A method and system for fluid characterization in an underground formation surrounding a borehole are provided. Acoustic signals are transmitted and received in the borehole. The received acoustic...
US20090095528 Downhole Motor Assembly with Torque Regulation  
A downhole motor assembly for driving a drill bit. The assembly includes a hydraulic drive section with a stator and a rotor located inside the stator to form a flow path between the stator and...
US20080245568 System and Method for Drilling a Borehole  
A system and method is provided for drilling a wellbore including a rotary drill bit with a bit body having a plurality of mechanical cutters to cut away formation material as the wellbore is...
US20090229882 DISTRIBUTED SENSORS-CONTROLLER FOR ACTIVE VIBRATION DAMPING FROM SURFACE  
An apparatus for controlling a vibration of a drill string, the apparatus including: a plurality of sensors in operable communication with the drill string; and a controller in operable...
US20140008126 METHOD FOR REDUCING STICK-SLIP DURING WELLBORE DRILLING  
A method for drilling a wellbore includes operating at least one motor coupled within a drill string to turn a drill bit at an end thereof. An automatic drill string rotation controller causes...
US20150053483 DRILLING CONTROL AND INFORMATION SYSTEM  
A drilling control and information system comprising: a rig site network (102) including a drilling equipment controller (112) and a drilling parameter sensor (116); a downhole sensor (118)...
US20110220410 SYSTEM AND METHOD FOR ONLINE AUTOMATION  
A changepoint detector for modeling data received from at least one sensor in a proces in the hydrocarbon industry. The data is segmented into a plurality of segments and fo each segment a model...
US20120325555 ROBOTIC TUNNELING SYSTEM  
A tunneling system is disclosed that includes a surface power-controller, umbilical tether, robotic tender, and robotic tunneling device. This system allows the robotic tunneling device to...
US20120018219 METHOD AND STEERING ASSEMBLY FOR DRILLING A BOREHOLE IN AN EARTH FORMATION  
A method of drilling a borehole in an earth formation using a drill string including a control system for controlling the borehole trajectory. The control system is operable to receive a selected...
US20140138156 ADVANCED STEERING TOOL SYSTEM, METHOD AND APPARATUS  
A steering tool is movable by a drill string to form an underground bore along an intended path. A sensing arrangement of the steering tool detects its pitch and yaw orientations at a series of...
US20090133931 METHOD AND APPARATUS FOR HYDRAULIC STEERING OF DOWNHOLE ROTARY DRILLING SYSTEMS  
A method for hydraulically controlling the direction of a drill bit or bottom hole assembly containing a drill contains lateral orifices which can be selectively opened and closed to move a...
US20100282509 VARIABLE FREQUENCY CONTROL FOR DOWN HOLE DRILL  
A variable frequency down hole drill, includes a drill bit, a reciprocating piston operable to deliver an impact load to the drill bit, and means for changing the frequency with which the piston...
US20140110170 BORING TOOL TRACKING FUNDAMENTALLY BASED ON DRILL STRING LENGTH, PITCH AND ROLL  
A boring tool moves having a pitch orientation, a yaw orientation and a roll orientation and is steerable underground using the roll orientation. A maximum drill string curvature is established...
US20110231149 BORING TOOL TRACKING FUNDAMENTALLY BASED ON DRILL STRING LENGTH, PITCH AND ROLL  
A boring tool moves having a pitch orientation, a yaw orientation and a roll orientation and is steerable underground using the roll orientation. A maximum drill string curvature is established...
US20140110171 DOWNHOLE TOOL AND CONTROL MODULE  
Described herein is a reamer tool (100) having a body (105) with bays (115) in which cutter arms (110) are mounted for deployment between a stowed position and a deployed position. A deployment...
US20140027175 DRILLING OPTIMIZATION WITH A DOWNHOLE MOTOR  
Optimising the operation of a hydraulically powered rotor and stator driven drill as it drills a wellbore into the earth is described. Drilling optimization is provided measuring a first set of...
US20130228375 NAVIGATION SYSTEM  
The present invention relates to a navigation system for navigating a drill head out of or in collision with a casing in a first borehole. The system comprises a drill head drilling a second...
US20110303461 Clutch for a Jack Element  
A downhole tool string, comprising a tool string bore and a drill bit located at the bottom of the tool string. The drill bit comprises a body intermediate a shank and a working surface. The...
US20140027174 OPTIMIZED DRILLING  
The invention provides a method of optimising the rate of penetration of a hydraulically or pneumatically powered rotor and stator driven drill as it drills a wellbore into the earth, the method...
US20150041137 AUTOMATIC DRILLER  
An automatic drilling apparatus having a tool body, a motive device connected to the tool body, and a drill bit connected to the tool body. The apparatus also includes a setting tool connected to...
US20110108325 Integrating Multiple Data Sources for Drilling Applications  
A drilling system makes measurements of at least one drilling parameter such as downhole weight on bit, bit torque, bit revolutions, rate of penetration and bit axial acceleration, and at least...
US20170175447 DRIVE SHAFT ACTUATION USING RADIO FREQUENCY IDENTIFICATION  
A system may include a bearing cylinder that has a bored hole for receiving a drive shaft. The bored hole can correspond to an eccentric inner diameter of the bearing cylinder. A radio frequency...
US20170037685 TOOL FACE CONTROL OF A DOWNHOLE TOOL WITH REDUCED DRILL STRING FRICTION  
A system and method for drilling is disclosed, the system including a drill string with at least one drill pipe, a bottom hole assembly and a drill bit. The bottom hole assembly includes a...
US20160356089 MITIGATING STICK-SLIP EFFECTS IN ROTARY STEERABLE TOOLS  
Steering assemblies including a housing having an actuator positioned therein and operable to rotate a drive shaft. A planetary gearbox is positioned in the housing and includes a ring gear...
US20160341027 METHODS AND SYSTEMS FOR CONTROL OF WELLBORE TRAJECTORIES  
There are described methods for controlling the direction of a wellbore trajectory during directional sliding drilling by means of a drill string having a drill bit rotatable, by means of a mud...
US20160326864 STEERABLE DRILLING METHOD AND SYSTEM  
A method for steerable drilling is presented herein. The method includes inducing a drill string rotation modulation system to modulate a rotational speed of a drill string during each revolution...
US20160290117 CONTROLLING A BOTTOM HOLE ASSEMBLY IN A WELLBORE  
Techniques for controlling a bottom hole assembly (BHA) include determining a model of BHA dynamics based on sensor measurements from the BHA; determining, based on the model of BHA dynamics, an...
US20160281491 BORING TOOL TRACKING FUNDAMENTALLY BASED ON DRILL STRING LENGTH, PITCH AND ROLL  
A boring tool moves having a pitch orientation, a yaw orientation and a roll orientation and is steerable underground using the roll orientation. A maximum drill string curvature is established...
US20160281490 DRILLING MODELING CALIBRATION, INCLUDING ESTIMATION OF DRILL STRING STRETCH AND TWIST  
This disclosure is related to real-time calibration of drilling modeling programs and to the estimation of pipe stretch to perform corrections for the inclination and azimuth measurements and the...
US20160265338 ADVANCED STEERING TOOL SYSTEM, METHOD AND APPARATUS  
A steering tool is movable by a drill string to form an underground bore along an intended path. A sensing arrangement of the steering tool detects its pitch and yaw orientations at a series of...
US20160265336 SYSTEM AND METHOD FOR DETERMINING INCREMENTAL PROGRESSION BETWEEN SURVEY POINTS WHILE DRILLING  
A system and method for surface steerable drilling are provided. In one example, the system receives toolface information for a bottom hole assembly (BHA) and non-survey sensor information...
US20160265335 Analyzing Toolface Velocity to Detect Detrimental Vibration During Drilling  
A downhole drilling vibration analysis involves measuring orientation data in at least two orthogonal axes downhole while drilling with a drilling assembly. For example, two orthogonal...

Matches 1 - 50 out of 59 1 2 >