|
Match
|
Document |
Document Title |
|
|
8176998 |
Method and device for core drilling
A method in core drilling, wherein a tubular drill bit (8) being arranged at the end of a tubular drill string (6) is driven under rotation against a material intended for drilling, and wherein for...
|
|
|
8179278 |
Downhole communication devices and methods of use
A downhole communication device comprises a first energy harvesting device; a downhole transceiver in communication with the first energy harvesting device; an accumulator in communication with the...
|
|
|
8174929 |
Spindle for mud pulse telemetry applications
The present disclosure describes a spindle for a mud pulse telemetry tool. The spindle includes a seal section having an outer surface for contacting a lip seal of a spindle housing in which the...
|
|
|
8162076 |
System and method for reducing the borehole gap for downhole formation testing sensors
A system and method for downhole measurement for use with drill strings to reduce the borehole gap with respect to sensors carried by the drill string. In one embodiment, the sensors are mounted on...
|
|
|
8162077 |
Drill bit with weight and torque sensors
A drill bit made according to one embodiment includes a bit body and at least one preloaded sensor in the bit body. In one aspect, the sensor may include a sensor element on a sensor body having a...
|
|
|
8164477 |
Joint channel coding and modulation for improved performance of telemetry systems
Jointly designed channel coding and modulation are used in an uplink telemetry system for transmitting a message signal from a bottomhole location to a surface location. A constant envelope...
|
|
|
8159365 |
Distributed databases for a well control drilling system
An apparatus to update data in a well control system includes a central control unit in communication with a communications network, the central control unit comprising a first display database, an...
|
|
|
8151905 |
Downhole telemetry system and method
A downhole telemetry system for use in a wellbore including borehole fluid. The system includes a stator including flow channels though the stator and a rotor including flow channels though the...
|
|
|
8154420 |
System and method for downhole telemetry
A system and method are provided for providing electromagnetic (EM) measurement-while-drilling (MWD) telemetry capabilities using an existing mud-pulse MWD tool. An EM tool intercepts the output...
|
|
|
8151904 |
Method for improved well control with a downhole device
A drilling system includes a downhole well control device that can be used to control out-of-norm wellbore conditions. The downhole well control device can control one or more selected fluid...
|
|
|
8146678 |
Rock drilling apparatus and method for controlling rock drilling apparatus
A rock drilling apparatus with several actuator units, a user interface control unit, and at least one control means connected to the user interface control unit for controlling the functions of...
|
|
|
8149133 |
MUX BOP database mirroring
An apparatus to remotely archive data from a blowout preventer includes a first system controller in communication with the blowout preventer and a communications network, and a second system...
|
|
|
8136610 |
Torsional resonance prevention
A system for drilling a cavity in a medium. The system may include a drill bit, a processor, and a controller. The drill bit may be configured to rotate in the medium and remove at least a portion...
|
|
|
8136612 |
Constant-mode auto-drill with pressure derivative control
Some embodiments of the invention concern HDD in an automatic drilling mode. Such embodiments can include maintaining a constant output parameter while performing a drilling operation using an HDD...
|
|
|
8131468 |
Apparatus and methods for estimating a downhole property
Apparatus and methods for estimating a downhole property are provided. The apparatus may include a downhole tool having a predetermined temperature calibration based at least in part on an expected...
|
|
|
8120508 |
Cable link for a wellbore telemetry system
A cable link may include a first link connector in signal communication with at least one sensor in a drill string and coupled to the drill string, a second link connector spaced apart from the...
|
|
|
8118114 |
Closed-loop control of rotary steerable blades
A steering tool has a controller configured to provide closed-loop control of blade pressure and position. In one embodiment, the controller is configured to execute a directional control...
|
|
|
8115495 |
Wired pipe signal transmission testing apparatus and method
A wired pipe signal transmission testing apparatus is provided. The apparatus includes a core having a plurality of threads formed on a surface thereof and a plurality of slots cutting through...
|
|
|
8100196 |
Method and apparatus for collecting drill bit performance data
Drill bits and methods for sampling sensor data associated with a state of a drill bit are disclosed. A drill bit for drilling a subterranean formation comprises a bit configured for receiving a...
|
|
|
8087477 |
Methods and apparatuses for measuring drill bit conditions
Drill bits and methods of measuring drill bit conditions are disclosed. A drill bit for drilling a subterranean formation comprises a bit bearing at least one cutting element and adapted for...
|
|
|
8087476 |
System and method for damping vibration in a drill string using a magnetorheological damper
A system for damping vibration in a drill string can include a magnetorheological fluid valve assembly having a supply of a magnetorheological fluid, a first member, and a second member capable of...
|
|
|
8069932 |
Method and apparatus for determining formation pararmeters using a seismic tool array
A method and apparatus for determining formation parameters including a seismic array for receiving seismic waves at plurality of depth simultaneously, thereby enabling a determination of a...
|
|
|
8069931 |
System, method and apparatus for downhole system having integrated measurement while operating components
A drill bit string has an internal steering module for measurement while drilling. A chassis is inserted into a modified drill collar from the axial end, rather than through the side. The chassis...
|
|
|
8061440 |
Combining belief networks to generate expected outcome
A computer usable medium including computer usable program code for determining an oilfield parameter for a drilling operation. The computer usable program code when executed causing a processor to...
|
|
|
8061442 |
Method to detect formation pore pressure from resistivity measurements ahead of the bit during drilling of a well
Methods of using resistivity ahead of a drill bit measurements obtained while drilling a subterranean well using a drilling mud. Resistivity data ahead of the bit is gathered during drilling and...
|
|
|
8056648 |
Method and device
The present invention relates to a method for controlling a rock drilling process, in which an impulse-generating device comprising an impact element transmits a shock wave to a tool connected to...
|
|
|
8060311 |
Job monitoring methods and apparatus for logging-while-drilling equipment
Job monitoring methods and apparatus for logging-while-drilling equipment are disclosed. A disclosed example method includes obtaining a fluid associated with an underground geological formation,...
|
|
|
8049506 |
Wired pipe with wireless joint transceiver
A wireless transceiver for transmitting data across a pipe joint is described herein. At least some illustrative embodiments include a wireless communication apparatus including a housing...
|
|
|
8042624 |
System and method for improved depth measurement correction
A method for generating corrected geologic depth information is disclosed. The method includes: estimating a depth of each of a plurality of different locations along a length of a drillstring...
|
|
|
8031081 |
Wireless telemetry between wellbore tools
An embodiment of a wireless telemetry system for providing signal communication across a wired-communication gap in a bottom-hole assembly (“BHA”), the BHA having an upper portion and a lower por...
|
|
|
8028764 |
Methods and apparatuses for estimating drill bit condition
A drill bit for drilling subterranean formations includes a bit body bearing at least one gage pad and a shank extending from the bit body. An annular chamber is formed within the shank. A data...
|
|
|
8020633 |
Simultaneous drilling and open hole wireline logging for drilling rigs
A method of logging a wellbore comprises drilling a first wellbore to a depth using a drilling rig and drilling a second wellbore to a depth using the drilling rig. While the second wellbore is...
|
|
|
8022840 |
Telemetry transmitter optimization using time domain reflectometry
A method for enhancing downhole telemetry performance comprising enhancing a signal in order to offset signal-to-noise ratio reduction with increasing measured depth, wherein the signal is modified...
|
|
|
8020632 |
Method and system for wellbore communication
A communication system for a casing while drilling system is provided. The casing while drilling system is adapted to advance a bottom hole assembly into a subsurface formation via a casing. The...
|
|
|
8016050 |
Methods and apparatuses for estimating drill bit cutting effectiveness
A drill bit for drilling a subterranean formation includes a plurality of cutting elements and a shank extending from a bit body. A set of accelerometers disposed in the drill bit include a radial...
|
|
|
8009510 |
Two way check shot and reverse VSP while drilling
Methods and related systems are described making seismic measurements. Seismic energy is transmitted into the earth using a surface seismic source. The seismic energy is received with one or more...
|
|
|
7997340 |
Permanent downhole deployment of optical sensors
The present invention involves methods and apparatus for permanent downhole deployment of optical sensors. Specifically, optical sensors may be permanently deployed within a wellbore using a casing...
|
|
|
7996154 |
Methods and apparatus for analysis of downhole asphaltene gradients and applications thereof
A method and system for characterizing asphaltene gradients of a reservoir of interest and analyzing properties of the reservoir of interest based upon such asphaltene gradients. The analysis...
|
|
|
7990282 |
Borehole telemetry system
An acoustic telemetry apparatus and methods for communicating digital data from a down-hole location through a borehole to the surface or between locations within the borehole are described...
|
|
|
7967081 |
Closed-loop physical caliper measurements and directional drilling method
Aspects of this invention include a downhole tool and method for making a physical caliper measurement of a subterranean borehole. The tool is configured to make the physical borehole caliper...
|
|
|
7958949 |
Method and apparatus for three dimensional geosteering
A technique for drilling a borehole includes obtaining data from a tool in the borehole for a plurality of positions in the borehole that is being drilled to form acquired data indicative of...
|
|
|
7954560 |
Fiber optic sensors in MWD Applications
A wellbore drilling system utilizes optical fibers to measure parameters of interest and to communicate data. One or more electrical conductors are used to provide power to the components of the...
|
|
|
7954559 |
Method for optimizing the location of a secondary cutting structure component in a drill string
A method of drilling a well includes at least one drill bit and at least one secondary cutting structure. The method includes determining a neutral point of a drill string, positioning at least one...
|
|
|
7946356 |
Systems and methods for monitored drilling
An item (e.g. a drill bit) handling method, the item for use in a well operation, the method including producing information about an item used for a specific well task, the information including...
|
|
|
7946357 |
Drill bit with a sensor for estimating rate of penetration and apparatus for using same
In one embodiment, an apparatus includes a drill bit, a tip on a bit body configured to contact a formation when the drill bit is utilized to cut into the formation, and a spring coupled to the...
|
|
|
7938197 |
Automated MSE-based drilling apparatus and methods
Methods and apparatus for MSE-based drilling operation and/or optimization, comprising detecting MSE parameters, utilizing the MSE parameters to determine MSE, and automatically adjusting drilling...
|
|
|
7933718 |
Method and tool for determination of fracture geometry in subterranean formations based on in-situ neutron activation analysis
A method for determining fracture geometry of a subterranean formation from radiation emitted from a fracture in the formation, including measuring gamma-radiation emitted from the fracture;...
|
|
|
7932834 |
Data relay system for instrument and controller attached to a drill string
A casing sensor and methods for sensing using a casing sensor are disclosed. The casing sensor includes a casing shoe and a sensor coupled to the casing shoe. A casing data relay includes a...
|
|
|
7931097 |
Microwave linked laser control system, method, and apparatus for drilling and boring operations
A laser control system and apparatus for guiding a drilling or boring operation during a trenchless technology implementation. In most if not all trenchless technology applications, direction of...
|
|
|
7931096 |
Adaptive user interface for rock drilling rig
A control apparatus for controlling a multi-phase rock drilling event carried out with a rock drilling rig. In a display of the rock drilling rig or a control unit thereof, a first section is...
|