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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8091652 | Method and device for controlling at least one drilling parameter for rock drilling The invention relates to a method and a device for controlling drilling parameters when drilling into rock with a drilling machine. During drilling, an impulse-generating device using an impact means is arranged to induce shock waves in a tool held against the rock,... | 01/10/2012 |
| 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 identify first decision factors and second decision factors about th... | 11/22/2011 |
| 7984769 | Method and a device for directional control of a rock drilling machine A method for the directional control of a rock-drilling ma-chine, the drilling unit (1) of the rock-drilling machine, which is located in a borehole (2), comprising at least a pi-lot drill bit (6) or an underreamer drill bit (8), the dril... | 07/26/2011 |
| 7967080 | 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 for steering. The boring tool is advanced over a path segment. An averag... | 06/28/2011 |
| 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 settable for substantially invariable information sources and a second sec... | 04/26/2011 |
| 7926588 | Optimizing drilling performance using a selected drilling fluid To improve drilling performance, a drilling fluid is selected based on one or more criteria and to have at least one target characteristic. Drilling equipment is used to drill a wellbore, and the selected drilling fluid is provided into the wellbore during drilling ... | 04/19/2011 |
| 7921937 | Drilling components and systems to dynamically control drilling dysfunctions and methods of drilling a well with same Drilling tools that may detect and dynamically adjust drilling parameters to enhance the drilling performance of a drilling system used to drill a well. The tools may include sensors, such as RPM, axial force for measuring the weight on a drill bit, torque, vibratio... | 04/12/2011 |
| 7921936 | Method and system for controlling an excavating apparatus A method for controlling a drilling apparatus comprising the steps of applying a rotation force to a drilling part of the drilling apparatus, applying a feed force to the drilling part with the feed force comprising a predetermined modulating frequency signal and pr... | 04/12/2011 |
| 7913772 | Drilling fluid flow diverter An embodiment of the apparatus includes a housing having a first flow bore and a second flow bore, the first flow bore having a drilling fluid flowing therein, a device disposed in the second flow bore to receive a fluid flow, and a diverter disposed between the fir... | 03/29/2011 |
| 7886844 | Borehole survey method and apparatus A method includes obtaining a first set of survey data at a first point along a wellbore, estimating a present wellbore position based on at least the first set of survey data, determining a related ellipse of uncertainty at the present wellbore position, comparing ... | 02/15/2011 |
| 7886843 | 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 the impulse-generating device, whereby a portion of the energy of the ... | 02/15/2011 |
| 7861800 | Combining belief networks to generate expected outcomes A method is described for determining an oilfield parameter for a drilling operation in an oilfield, the oilfield having a well site with a drilling tool advanced into a subterranean formation with geological structures and reservoirs therein. A first set of decisio... | 01/04/2011 |
| 7832500 | Wellbore drilling method A method and apparatus for drilling at least one wellbore from an offsite location is provided. Each wellbore is located at a wellsite having a drilling rig with a downhole drilling tool suspended therefrom. The downhole drilling tool is selectively advanced into th... | 11/16/2010 |
| 7828080 | Distributed intelligence for enhanced monitoring and control of oilfield processes A method for controlling a peripheral drilling operation involves obtaining a first property of a first drilling operation component associated with the peripheral drilling operation, via a wireless network, obtaining a second property of a second drilling operation... | 11/09/2010 |
| 7784565 | Top drive systems with main shaft deflecting sensing A top drive system for wellbore operations, the top drive system including motor apparatus, a main shaft driven by the motor apparatus, and sensing apparatus for sensing bending of the main shaft; and, in certain aspects, the system providing information regarding t... | 08/31/2010 |
| 7775297 | Multiple input scaling autodriller A wellbore drilling system is disclosed herein, in which the system includes a weight on bit controller configured to generate a normalized weight on bit output, a drilling torque controller configured to generate a normalized toque on bit output, and a differential... | 08/17/2010 |
| 7762352 | Arrangement and method for controlling drilling parameters The present invention relates to a method and an arrangement for controlling drilling parameters when rock drilling. The arrangement is arranged such that a drill tool is connectable to a drilling machine by means of one or more drill string components, wherein the ... | 07/27/2010 |
| 7730966 | High density slurry A module for slurrifying drill cuttings that includes a skid, a programmable logic controller disposed on the skid, and a blender. The blender including a feeder for injecting drill cuttings, a gate disposed in fluid communication with the feeder for controlling a f... | 06/08/2010 |
| 7721821 | Underground boring machine and method for controlling underground boring A method and system for controlling a horizontal directional drilling machine having a boring tool. A rate of rotation and a rate of thrust are selected by an operator. Controls allow an automatic boring operation mode to be initiated to maintain the selected rate o... | 05/25/2010 |
| 7717193 | AC powered service rig An electrically-powered service rig utilizes an engine-driven generator to power a propulsion system, a drawworks system and a sandline system, all mounted on a single mobile platform. The rig utilizes lightweight permanent magnet motors to enable integration of the... | 05/18/2010 |
| 7588099 | Horizontal drilling system with oscillation control A system and method for controlling drill string frictional forces during horizontal drilling are provided. The system includes a top drive having a motor that transmits a torque to a drill string to rotate the drill string, and an automated controller operably conn... | 09/15/2009 |
| 7461705 | Directional drilling control A method for oscillating a drillstring, the drillstring extending into the earth, the drillstring having a bit on a lower end thereof, the bit for drilling into the earth, the drillstring connected to a motive apparatus, the motive apparatus for rotating the drillst... | 12/09/2008 |
| 7424920 | Method and device for impact loosening of thread joints A method and device for detecting and responding to impact loosening of thread joints at rock drilling, in which vibrations from a drill string (1) are sensed at the same time as a rock drilling machine (2) movable along a feed beam (6) exerts t... | 09/16/2008 |
| 7416033 | Instrumented drill head, related drilling/bolting machines, and methods In one aspect, the invention comprises an instrumented drill head for intended use with a drilling machine including a drilling element, such as a drill bit. The drill head includes a case with a rotatable chuck for the drilling element. A first sensor associated wi... | 08/26/2008 |
| 7413031 | Apparatus and method for maintaining control of a drilling machine An apparatus is provided for maintaining control of a machine which produces thrust, rotation or other outputs in response to input signals. The apparatus has two distinct parts, namely the operator input portion and the output portion. The operator input portion co... | 08/19/2008 |
| 7363717 | System and method for using rotation sensors within a borehole A system and method for using a survey tool within a borehole is provided. The survey tool includes a plurality of rotation sensors each having a sensing axis and a direction of least acceleration sensitivity. The sensing axes of the plurality of rotation sensors ar... | 04/29/2008 |
| 7360412 | Single point and fiber optic temperature measurement for correction of a gas column weight in a well Fluid column weight correction using discrete point and fiber optic temperature measurement. A method for determining pressure at a distal end of a fluid column in a well includes the steps of: dividing the fluid column into multiple segments; determining a temperat... | 04/22/2008 |
| 7360612 | Roller cone drill bits with optimized bearing structures A roller cone drill bit may include optimally designed bearing structures and cutting structures. The roller cone drill bit may include three cone assemblies rotatably mounted on respective spindles via respective bearing structures. Each cone assembly may have a re... | 04/22/2008 |
| 7357196 | Method and system for predicting performance of a drilling system for a given formation A method and apparatus for predicting the performance of a drilling system for the drilling of a well bore in a given formation includes generating a geology characteristic of the formation per unit depth according to a prescribed geology model, obtaining specificat... | 04/15/2008 |
| 7353613 | Directional sensor system comprising a single axis sensor element positioned at multiple controlled orientations A directional sensor system that incorporates a single axis sensor element that is manipulated to a plurality of orientations. The resulting responses of the sensor element at these locations are combined to obtain a measure of orientation of the system. The system ... | 04/08/2008 |
| 7350593 | Electronically controlled earth drilling rig An electronic control, for automated earth drilling using a pneumatic hammer-operated bit, preliminarily weighs a drill string, and, during drilling, automatically maintains a desired weight on the bit, and also maintains a constant rate of drilling progress by regu... | 04/01/2008 |
| 7350410 | System and method for measurements of depth and velocity of instrumentation within a wellbore A survey tool for use in a wellbore includes a downhole portion having an axis. The downhole portion is adapted to move within the wellbore with the axis generally parallel to the wellbore. The survey tool further includes a first acceleration sensor mounted at a fi... | 04/01/2008 |
| 7348892 | Pipe mounted telemetry receiver Methods and apparatus for receiving a telemetry signal with a receiver that is moveably disposed within a drillstring. In certain embodiments, the system comprises a surface module coupled to the upper end of a drillstring, an upper module detachably connected to th... | 03/25/2008 |
| 7347283 | Using a rotating inner member to drive a tool in a hollow outer member A rotating inner member is used to drive a downhole tool housed within the hollow outer member of a dual-member drill string. The downhole tool preferably will be adapted to receive rotational energy from the inner member. In a preferred embodiment, the downhole too... | 03/25/2008 |
| 7334652 | Roller cone drill bits with enhanced cutting elements and cutting structures Roller cone drill bits are provided with cutting elements and cutting structures optimized for efficient drilling of soft and medium formations interspersed with hard stringers. The cutting elements and cutting structures may be satisfactorily used to drill downhole... | 02/26/2008 |
| 7331469 | Vibratory separator with automatically adjustable beach A vibratory separator having a basket for supporting screen apparatus for treating material, the basket pivotably mounted on a base, vibratory apparatus connected to the basket for vibrating the basket, the material forming a pool on the screen apparatus, and a beac... | 02/19/2008 |
| 7310580 | Method for borehole measurement of formation properties The present invention is a method of estimating formation properties by analyzing acoustic waves that are emitted from and received by a bottom hole assembly. A bottom hole assembly may be deployed in a borehole to estimate formation properties. From the bottom hole... | 12/18/2007 |
| 7303010 | Apparatus and method for an autonomous robotic system for performing activities in a well An autonomous robot performs maintenance and repair activities in oil and gas wells, and in pipelines. The robot uses the well and pipeline fluids to provide most of the energy required for the its mobility, and to charge a turbine from which it may recharge batteri... | 12/04/2007 |
| 7305305 | System and method for remotely controlling logging equipment in drilled holes A system and a method for remotely controlling logging equipment in drilled holes are provided. The method includes inputting a first command associated with either a logging tool or a hoist device coupled to the logging tool utilizing an input device operably coupl... | 12/04/2007 |
| 7292967 | Methods for evaluating cutting arrangements for drill bits and their application to roller cone drill bit designs A method for evaluating a cutting arrangement for a drill bit includes selecting a cutting element arrangement for the drill bit and calculating a score for the cutting arrangement. This method may be used to evaluate the cutting efficiency of various drill bit desi... | 11/06/2007 |
