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Match Document Document Title
9016378 Shale gas operation method  
A method for performing shale gas operation is disclosed. The method may include drilling a first well, performing a fracturing operation in the well, recovering shale gas from the first well,...
9016400 Downhole rotary drilling apparatus with formation-interfacing members and control system  
A steerable drilling apparatus includes a control system inside a cylindrical housing connected to a drill bit having radially-extendable pistons. A fluid-metering assembly directs a piston...
9010461 Guide wire for ranging and subsurface broadcast telemetry  
A managed bulk drilling system that employs a guide wire for ranging and crosswell telemetry. Some system embodiments include multiple drilling assemblies operating in the vicinity of a reference...
8991522 Downhole hydraulic jetting assembly, and method for stimulating a production wellbore  
A method for forming lateral boreholes from an existing parent wellbore is provided. The wellbore has been completed with a string of production casing. The method generally comprises providing a...
8967297 Well construction using small laterals  
This invention relates to the construction of well such as oil and gas wells using techniques based on drilling small lateral wells from a main well. The problem of narrow pressure window is...
8955586 Beacon assembly  
An electronic transmitter assembly used in directional boring, the housing of the assembly being configured for receiving a beacon. The housing and cover of the assembly are configured to provide...
8939234 Systems and methods for improving drilling efficiency  
A method for drilling a borehole in an earthen formation comprises (a) providing a drilling system including a drillstring having a longitudinal axis, a bottom-hole assembly coupled to a lower end...
8910729 Method and apparatus for drilling large-diameter hole in ground  
An apparatus for drilling a hole in the ground has a hammer drill installed at a bottom of a rod assembled in multi-stages at support structure on the ground. The hammer drill has a pilot hammer...
8905137 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Shale gas operation method
 
A method for performing shale gas operation is disclosed. The method may include drilling a first well, performing a fracturing operation in the well, recovering shale gas from the first well,...
8881845 Expandable window milling bit and methods of milling a window in casing  
A method of milling a window through a casing in a primary well bore and drilling a sidetracked well bore into a formation including running a drilling assembly including a body having an axis...
8869916 Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter  
A steerable drilling apparatus includes a control system inside a cylindrical housing connected to a drill bit having radially-extendable pistons. A fluid-metering assembly directs a...
8863862 Lateral drilling tool and method from vertical bore hole  
A lateral drilling system includes a device for drilling a first bore hole, preferably vertical or substantially vertical, and including a tool for boring a second bore hole in a direction...
8857538 Method for drilling a borehole  
In a method for drilling a borehole real time geosteering data, including natural gamma ray data is obtained for a plurality of borehole positions for drilling a borehole along a projected...
8820440 Drill bit steering assembly  
In one aspect of the present invention, a steering assembly for downhole directional drilling comprises an outer bit comprising a bore and an outer cutting area and in inner bit comprising an...
8794352 Drilling fluid recovery when drilling under an obstacle or water body  
A system for recovering drilling mud in drilling an underground arcuate path around at least a portion of an obstacle has a conductor casing, a drill pipe surrounded by the conductor casing for at...
8776914 Drainage method for multilayer reservoirs  
A main borehole is drilled into an underground reservoir comprising a plurality of layers of different fluid mobilities. The fluid mobility in each of the plurality of layers is determined. A...
8752651 Downhole hydraulic jetting assembly, and method for stimulating a production wellbore  
A method for forming lateral boreholes from an existing wellbore is provided. The method comprises providing a downhole tool assembly having a whipstock with a curved face. The whipstock is run...
8727036 System and method for drilling  
This disclosure relates in general to a method and system for controlling a drilling system for drilling a borehole in an earth formation. More specifically, but not by way of limitation,...
8695730 System and method for drilling multilateral wells using magnetic ranging while drilling  
Systems and methods for drilling a multilateral well using magnetic ranging while drilling are provided. In accordance with one embodiment, a method of drilling a multilateral well includes...
8668030 Establishing positions of locating field detectors and path mapping in underground boring tool applications  
Specific apparatus and associated methods are described for use in establishing the positions of locating field detectors and for path mapping within a region for the purpose of tracking and/or...
8596386 System and method for drilling and completing lateral boreholes  
A drilling system for drilling and completing a lateral borehole from a main borehole comprises a liner unit for storing one or more prefabricated liners for installation into the lateral...
8590637 Apparatus and method for controlling the feed-in speed of a high pressure hose in jet drilling operations  
A jetting hose is conveyed downhole retracted on the end of a tubing string (coiled tubing) for jetting lateral boreholes from a main wellbore. The apparatus allows the operator to sense the speed...
8561719 Computerized boring system with bore head sensors  
A computerized boring system provides real-time monitoring and control of a bore head during boring operations to prevent inadvertent damage to buried objects such as utility cables. A boring...
8561720 Methods and systems for drilling  
A method of steering a drill bit to form an opening in a subsurface formation, comprises a) determining a distance from design of a well, and b) determining an angle offset from design of the well...
8544569 Offset rock bit with pull back adapter  
An offset rock bit (12) has a steering face (28) and a shoe (30) provided by a recess formed into the steering face (28). A slot (66) formed into the shoe (30) for receiving a pull back adapter...
8534380 System and method for directional drilling a borehole with a rotary drilling system  
This disclosure relates in general to a method and a system for directionally drilling a borehole with a rotary drilling system. More specifically, but not by way of limitation, methods and system...
8529156 Bit adapter and tube return for vertizontal geothermal loop  
A drill rod combination for creating a closed loop geothermal hole in the ground. The heat exchange tube is positioned in the hole simultaneously with the creation of the hole and is mounted to...
8479812 Method and system for accessing subterranean deposits from the surface and tools therefor  
According to one embodiment, a system for accessing a subterranean zone from the surface includes a well bore extending from the surface to the subterranean zone, and a well bore pattern connected...
8439132 Microtunnelling system and apparatus  
A microtunnelling apparatus and system that includes an external drive system having rotational and linear thrust drive means, a drill head section having drill rotor and drill rod and connecting...
8424620 Apparatus and method for lateral well drilling  
An apparatus and method for penetrating earth strata surrounding a wellbore including a nozzle assembly, a flexible tubing connected to the nozzle assembly, and a means to position the nozzle...
8424618 Auger boring machine  
The present disclosure relates to an auger boring machine for boring through the earth. The auger boring machine includes a cutting head for engaging a working face of the earth to cut a bore. The...
8393414 Establishing positions of locating field detectors and path mapping in underground boring tool applications  
Specific apparatus and associated methods are described for use in establishing the positions of locating field detectors and a sonde. Two detectors can be located at positions within the region,...
8365841 Sectional back reamer apparatus and method for horizontal directional drilling  
An improved back reamer for horizontal directional drilling is provided with multiple components which can be assembled and disassembled before and after the back reaming process. The reamer...
8347446 Drainage structure cleaning tool  
A tool for cleaning a drainage structure comprises a rod having a center longitudinal axis, a barrel housing having a proximal opening and a distal opening, the barrel housing having a center...
8327952 Self-contained system for drilling a drainhole  
A self-contained system for drilling a drainhole laterally to a wellbore that includes a drill head with a tool for boring a drainhole and a self-propelled device for advancing the head into the...
8322463 Down hole multiple piston tools operated by pulse generation tools and methods for drilling  
An underground drilling method where drilling fluid pulsing down hole tool is combined with a multiple in series pistons down hole tool to provide vigorous vibrations in the drill string and...
8312939 Method and system for laterally drilling through a subterranean formation  
An internally rotating nozzle for facilitating drilling through a subterranean formation is rotatably mounted internally within a housing connected to a hose for receiving high pressure fluid. The...
8307915 System and method for drilling multilateral wells using magnetic ranging while drilling  
Systems and methods for drilling a multilateral well using magnetic ranging while drilling are provided. In accordance with one embodiment, a method of drilling a multilateral well includes...
8286729 Real time misalignment correction of inclination and azimuth measurements  
A method for determining wellbore trajectory includes determining survey parameters in the wellbore; measuring force parameter(s) in the wellbore; and correcting the survey parameters using the...
8267199 Perforating and jet drilling method and apparatus  
Apparatus and method for drilling perforations in well casing and drainholes into a subterranean formation around a well are provided. A tool body on tubing directs a mechanical cutter or jet bit...
8267198 Perforating and jet drilling method and apparatus  
A tool body on tubing directs a mechanical cutter or jet bit to the casing. A hole is cut in casing and a rotary detent mechanism may be used to drill additional holes through casing and enable...
8256537 Blasting lateral holes from existing well bores  
A system for blasting lateral holes in the formation around a well bore, the well bore containing production casing and production tubing inside the producting casing. The system includes: a...
8256536 Backreamer for a tunneling apparatus  
A backreamer includes a distal end configured for connection to product and a proximal end configured for attachment to a distal end of a drill string. The backreamer includes a backreaming cutter...
8256535 Mill-through tailpipe liner exit and method of use thereof  
A method and apparatus for forming a window in the wall of a tubular wellbore. In one embodiment described herein, a down hole apparatus for forming a window in the wall of a wellbore utilizing a...
8235142 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...
8231306 Advancement of pipe elements in the ground  
The aim of the invention is to advance pipe elements (18) for constructing an elongate structure in a soft, stony, rocky, and/or monolithic ground. Said aim is achieved by determining the force of...
8230948 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Self-contained system for drilling a drainhole
 
A self-contained system for drilling a drainhole laterally to a wellbore that includes a drill head with a tool for boring a drainhole and a self-propelled device for advancing the head into the...
8220564 Devices and methods for dynamic boring procedure reconfiguration  
Various embodiments are directed to a method of switching horizontal directional drilling procedures during bore path turning. Such methods can include identifying a hierarchal arrangement of a...
8210774 Guided boring machine and method  
A guided boring machine includes a cutter head, a steering head and an internal casing with an auger therein for conveying material cut by the cutter head towards the rear end of the auger. The...
8196680 Perforating and jet drilling method and apparatus  
A tool body on tubing directs a mechanical cutter or jet bit to the casing in an oil or gas well. A hole is cut in casing and a rotary detent mechanism may be used to drill additional holes...

Matches 1 - 50 out of 443 1 2 3 4 5 6 7 8 9 >