Quotables
"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7828083 | Method of controlling operation of rock drilling rig, and rock drilling rig A method of controlling operation of a rock drilling rig, and a rock drilling rig. A rate of flow of a flushing medium of the rock drilling rig is determined, and the operation of the rock drilling rig is controlled on the basis of the determined rate of flow by inf... | 11/09/2010 |
| 7823658 | Analyzing resistivity images for determining downhole events and removing image artifacts Borehole images obtained with MWD measurements have a mismatch with subsequent images obtained when measurements are repeated over the same depth interval after the drillstring has been raised up. The difference is attributable to stretch of the drillstring. This ca... | 11/02/2010 |
| 7823659 | Apparatus and methods for drilling and lining a wellbore A method of drilling and lining a wellbore includes operably coupling a support member to a drilling device, an expansion cone configured to expand a tubular member, an actuator configured to pull the expansion cone through the tubular member, a releasable locking d... | 11/02/2010 |
| 7823657 | Drilling assembly, drilling reamer arm assembly, and methods of drilling This invention includes drilling assemblies, drilling reamer arm assemblies, and methods of drilling. In one implementation, a drilling assembly includes a cutting head apparatus configured to cut into earthen material as the cutting head apparatus is rotated. A dri... | 11/02/2010 |
| 7814991 | Process and apparatus for subterranean drilling A method and apparatus for drilling a subterranean formation or material utilizing a drilling apparatus which includes a drill string having a leading end and a trailing end and having a bottom hole assembly connected with the leading end. The bottom hole assembly i... | 10/19/2010 |
| 7814990 | Drilling apparatus with reduced exposure of cutters and methods of drilling A rotary drilling apparatus and method for drilling subterranean formations, including a body being provided with at least one cutter thereon exhibiting reduced, or limited, exposure to the formation, so as to control the depth-of-cut of the at least one cutter, so ... | 10/19/2010 |
| 7810583 | Drilling systems and methods A drilling system comprising a pipe comprising a first end and a second end; a drill bit near a first end of the pipe, adapted to drill a hole in a formation; a pipe rotator near a second end of the pipe adapted to rotate the pipe; and a pump connected to the pipe b... | 10/12/2010 |
| 7806203 | Active controlled bottomhole pressure system and method with continuous circulation system An APD Device provides a pressure differential in a wellbore to control dynamic pressure loss while drilling fluid is continuously circulated in the wellbore. A continuous circulation system circulates fluid both during drilling of the wellbore and when the drilling... | 10/05/2010 |
| 7806204 | Sonic drill rod with external surface features Drill rods and systems for use in drilling processes, as well as methods for making and using such drill rods and systems. A drill rod configured for sonic drilling operations can include a cylindrical body having an interior surface and an exterior surface. A first... | 10/05/2010 |
| 7798248 | Roller bearing seal companion ring having textured surface for holding lubricant and small particles A roller cone bit is provided that includes a companion ring positioned exterior to a seal, wherein the companion ring includes a textured surface where the inner diameter of the companion ring contacts the bearing pin. ... | 09/21/2010 |
| 7798247 | Arrangement for sucking dust A method for sucking dust in connection with a rock drilling rig, and a rock drilling rig. The rock drilling rig (1) comprises a dust collection system provided with a suction device (11) to produce suction for sucking dust from a drill hole (8)... | 09/21/2010 |
| 7775299 | Method and apparatus for programmable pressure drilling and programmable gradient drilling, and completion A method for creating a programmable pressure zone adjacent a drill bit bottom hole assembly by sealing near a drilling assembly, adjusting the pressure to approximately or slightly below the pore pressure of the well bore face to permit flow out of the formation, a... | 08/17/2010 |
| 7775300 | Earth drilling device An earth drilling device includes an auger, an encasing tube that surrounds the auger, a rotary drive for driving at least the auger in a rotating manner about a drilling axis, and an ejecting device for discharging drill spoil from the auger. The ejecting device ha... | 08/17/2010 |
| 7775298 | Drilling assemblies and methods of drilling Drilling assemblies and methods of drilling are disclosed. In one implementation, a drilling assembly includes a rotary drive apparatus configured to rotate a string of drill pipe having a cutting head at a drilling end thereof. A longitudinally elongated torque tra... | 08/17/2010 |
| 7770664 | Wear indicators for expandable earth boring apparatus An expandable underreamer apparatus disposed on a distal end of a drillstring and configured to drill a formation includes a substantially tubular main body adjacent a cutting head, the main body providing at least one axial recess configured to receive an arm assem... | 08/10/2010 |
| 7762355 | Rotary drag bit and methods therefor A rotary drag bit includes a primary cutter row comprising at least one primary cutter, and at least two additional cutters configured relative to one another. In one embodiment, the cutters are backup cutters of a backup cutter group located in respective first and... | 07/27/2010 |
| 7757785 | Modified cutters and a method of drilling with modified cutters A modified cutting element that includes a base portion, an ultrahard layer disposed on the base portion, and at least one modified region disposed adjacent to a cutting face of the cutter. In certain applications, the ultrahard layer includes thermally stable polyc... | 07/20/2010 |
| 7757784 | Drilling methods utilizing independently deployable multiple tubular strings A novel well bore drilling system and method utilizes independently deployable multiple tubular strings to drill, line and cement multiple hole sections without intervening trips to the surface. In one embodiment, the drilling system includes two or more independent... | 07/20/2010 |
| 7748475 | Earth boring drill bits with casing component drill out capability and methods of use A drill bit includes a bit body having a face on which two different types of cutting elements are disposed, the first type being cutting elements for drilling at least one subterranean formation and the second type being cutting elements for drilling through a casi... | 07/06/2010 |
| 7743851 | Method and rock drilling rig for hole drilling The invention relates to a method and a rock drilling rig for drilling a hole in a rock. In the method the hole is drilled with a so-called top-hammer rock drilling rig including a drill rod and a cone roller bit at the end of the drill rod. During drilling with the... | 06/29/2010 |
| 7730971 | Tension/collar/reamer assemblies and methods The present invention provides drilling assembles and methods that are especially useful for a bottom hole drilling assembly for drilling/reaming/or other operations related to drilling a borehole through an earth formation. In one embodiment, the drilling assembly ... | 06/08/2010 |
| 7721825 | Portable concrete boring machine A portable boring machine for cutting holes in a cutting surface is provided. The portable boring machine includes a vacuum system to secure a front end of the portable boring machine to a cutting surface, a hydraulic boring sub-assembly, which includes a hole saw t... | 05/25/2010 |
| 7721822 | Control systems and methods for real-time downhole pressure management (ECD control) Methods and control systems are provided for a wellbore drilling system having an active differential pressure device (APD device) in fluid communication with a returning fluid. The APD Device creates a differential pressure across the device, which reduces the pres... | 05/25/2010 |
| 7721823 | Moveable blades and bearing pads An expandable reamer apparatus and methods for reaming a borehole, wherein a laterally movable blade carried by a tubular body may be selectively positioned at an inward position and an expanded position. The laterally movable blade, held inwardly by blade-biasing e... | 05/25/2010 |
| 7721824 | Multiple inserts of different geometry in a single row of a bit A method for designing a roller cone drill bit having a plurality of cutting elements in a row. The method includes defining a pitch pattern for the plurality of cutting elements such that a first group of adjacent cutting elements are arranged in a first pitch and ... | 05/25/2010 |
| 7690442 | Drill bit and cutting inserts for hard/abrasive formations A rolling cone drill bit comprises a plurality of bottomhole cutter elements positioned in a first circumferential row, wherein at least one of the cutter elements comprises a cutting portion extending from a base portion to a point furthermost from the base portion... | 04/06/2010 |
| 7686100 | Technique and apparatus for drilling and completing a well in one half trip A technique that is usable with a well includes running a motor into the well and actuating the motor to turn a drill bit. The motor is used to pump well fluid from the well. ... | 03/30/2010 |
| 7677333 | Drill bit with multiple cutter geometries A drill bit has cutting elements with multiple cutting surface geometries that are positioned so that their cutting profiles overlap, but do not completely contain or engulf one another. The different cutting surface geometries and the specific overlap create a zone... | 03/16/2010 |
| 7677334 | Anti-surge/reverse thruster An anti-surge/reverse thrusting tool for reducing the forces on a drill bit used in subterranean well drilling operations along with methods for drilling wells using a drill string employing the tool. The tool utilizes the pressure differential between drilling flui... | 03/16/2010 |
| 7673706 | Down-the-hole hammer with pilot and method of enlarging a hole A down-the-hole hammer includes a piston movably disposed in a casing and a percussion bit at an end of the casing. The percussion bit includes an integral bit and shank and a pilot removably fastened at a forward end of the bit. A method of enlarging a preexisting ... | 03/09/2010 |
| 7673707 | Drilling apparatus and system for drilling wells A device for boring a well. The device is attached to a motor that has a power shaft for imparting rotational movement. The device comprises a driver operatively connected to the power shaft, with the driver containing a tubular body, a first bit having a first end ... | 03/09/2010 |
| 7665545 | Pressure controlled downhole operations A method and apparatus for temporarily increasing fluid pressure at a specific location in a work string to perform an operation in an oil or gas well bore. Apparatus is provided which, in a first position provides fluid flow through the work string; in a second pos... | 02/23/2010 |
| 7661487 | Downhole percussive tool with alternating pressure differentials A downhole percussive tool is disclosed comprising an interior chamber and a piston element slidably sitting within the interior chamber forming two pressure chambers on either side. The piston element may slide back and forth within the interior chamber as drilling... | 02/16/2010 |
| 7658243 | System and method for preventing slippage and rotation of components in a tubular housing Systems and methods for preventing slippage and rotation of components installed in a tubular housing member and/or along a rotatable tubular shaft during drilling operations are disclosed herein. The housing and/or rotatable shaft include a shoulder disposed proxim... | 02/09/2010 |
| 7658241 | Underreaming and stabilizing tool and method for its use Provided is a drilling tool that includes a tubular body defining a longitudinal axial cavity extending therethrough. The tubular body also defines at least one radial guidance channel extending radially from the axial cavity through the tubular body. A cutter eleme... | 02/09/2010 |
| 7658242 | Hole coring system with lever arm A hole coring system for drilling large diameter holes with a handheld tool. The drill bit is guided by a mandrel attached to the concrete and serves as a central guidepost that ensures precise centering of the drill bit. Commonly available tools may be used to rota... | 02/09/2010 |
| 7654341 | Drill stem coupling and method for a directional drill A drill stem connection assembly includes a first drill stem section and a second drill stem section. At least one engaging feature is located at an end of the first drill stem section. At least one mating feature accepts the at least one engaging feature. The at le... | 02/02/2010 |
| 7654342 | Underreaming and stabilization tool for use in a borehole and method for its use An underreaming tool may include a tubular body, a drive tube, at least one blade element (“the blade element”), at least one wedge element (“the wedge element”), and a stop mechanism. The drive tube may include at least one longitudinal groove (“the longi... | 02/02/2010 |
| 7650951 | Resettable actuator for downhole tool In one embodiment of the invention, a downhole tool string component comprising a through bore running there through formed to accept drilling fluid. At least one mechanical actuation device is also disposed within the through bore. A guide channel is disposed withi... | 01/26/2010 |
| 7647989 | Backup safety flow control system for concentric drill string A technique is presented for providing a double-barrier to formation fluids during drilling operations with a concentric drill string having an inner bore and an annulus. A primary flow control system is used to provide a first barrier to formation fluids in the inn... | 01/19/2010 |
