Matches 1 - 50 out of 54 1 2 >


Match Document Document Title
US20140305711 DOWNHOLE DRILLING ASSEMBLY  
A downhole stabiliser (5), such as a drill motor stabiliser, comprises at least one reaming means and/or reinforcing means (10). The present invention also relates to an assembly (30), such as a...
US20140305710 DOWNHOLE DRILLING ASSEMBLY  
A downhole stabiliser (5), such as a drill motor stabiliser, comprises at least one reaming means and/or reinforcing means (10). The present invention also relates to an assembly (30), such as a...
US20090266617 Sleeve arrangement  
Sleeve arrangement for a drill rig, especially adapted for damping sound and sealing to the ground, said drill rig comprising a feed beam (4) having a drill end (41) and a rear end (42), said feed...
US20130313025 INTEGRAL WEAR PAD AND METHOD  
The current invention provides a drill pipe of standard weight with an integral wear pad. The drill pipe with integral wear pad provides increased durability while retaining the strength,...
US20120168230 GUIDING DEVICE FOR A DRILLING DEVICE  
The invention relates to a guide device for a drilling device, comprising a housing having deflection means for generating a side force, and a shaft rotatably supported within the housing, wherein...
US20130186690 METHODS AND SYSTEMS FOR CONTROLLING TORQUE TRANSFER FROM ROTATING EQUIPMENT  
Systems and methods for reducing the amount of torque transferred to the Bottom Hole Assembly and the drill string during drilling operations are disclosed. The drill string includes an optionally...
US20140124269 CENTRALIZER FOR DOWNHOLE PROBES  
An assembly for use in subsurface drilling includes a downhole downhole probe supported by a centralizer. The centralizer comprises a tubular member that extends around the downhole probe. A wall...
US20060207801 Technique for drilling straight bore holes in the earth  
A stabilizer assembly is at least 12′ long and preferably at least 14′ long and is used to drill a straight bore hole in the earth. A central passage through the assembly closely follows a...
US20070209839 System and method for reducing wear in drill pipe sections  
A system and method is provided for protecting the exterior surface of drill pipe bodies from abrasion and wear during drilling operations alternatively using a hardbanded pipe collar inserted...
US20100089647 Drilling Method  
A drilling method comprises controlling operation of a drill string to maintain at least a portion of the drill string in forward whirl.
US20090242277 COMPOUND ENGAGEMENT PROFILE ON A BLADE OF A DOWN-HOLE STABILIZER AND METHODS THEREFOR  
A blade for a stabilizer configured with a compound engagement profile for reducing a tendency toward whirl and other vibrational effects when rotated within a borehole of a subterranean formation...
US20140262507 ROTARY STEERABLE SYSTEM FOR VERTICAL DRILLING  
A rotary steerable drilling system that is operable to drill vertical wellbores and automatically maintain a vertical wellbore drilling path. The system includes a control module for operating...
US20120073876 Apparatus and Method for Drilling Wellbores  
In an aspect, an apparatus for use in a wellbore includes a tubular and a drilling assembly configured to carry a drill bit at an end thereof, wherein the drilling assembly is configured to be...
US20090114451 APPARATUS FOR KEEPING A DOWN HOLE DRILLING TOOL VERTICALLY ALIGNED  
An apparatus (10) for keeping a down hole drilling tool vertically uses a pendulum (36). The pendulum (36) controls flow from outlets (34) of drilling fluid chambers (30), providing drilling fluid...
US20090301785 Integrated Spiral Blade Collar  
An integrated spiral blade collar comprising: a collar comprising a wall defining a bore, the collar having a longitudinal axis extending from a proximal end to a distal end; the collar comprising...
US20150252631 HARDBANDING METHOD AND APPARATUS  
Various methods of hardbanding an apparatus are described. In one aspect of the invention an improved method of re-applying a hardbanding alloy to worn tool joints of a previously hardbanded drill...
US20140131106 ROTARY STEERABLE DRILLING APPARATUS  
A rotary steering apparatus for a drill string in which a bending section induces a bend in a portion of the bottom hole assembly of the drill string by using the rotation of the drive shaft that...
US20150252621 Rotary Stick, Slip and Vibration Reduction Drilling Stabilizers with Hydrodynamic Fluid Bearings and Homogenizers  
Apparatus and method comprising a hydrodynamic bearing disposed about a shaft and within a bore's wall with at least one periphery arced wall radially extending from and arranged about the...
US20050150694 Method and apparatus for preventing the friction induced rotation of non-rotating stabilizers  
A method and apparatus prevents rotation of a stabilizer which rotates due to friction-induced forces of bearing seals disposed in a shaft. The apparatus includes a stabilizer having a ridged edge...
US20100032214 Composite Enhanced Metallic Drilling Riser System  
An offshore composite enhanced metallic drilling riser is equipped to enable preloading of the composite shell and the metallic riser. A riser has steel end connectors and a continuous metallic...
US20080271926 MOUNTING SYSTEM FOR A FIBER OPTIC CABLE AT A DOWNHOLE TOOL  
Disclosed herein is a fiber optic cable downhole tool mounting system. The system includes, a downhole tool, a support member attached to the downhole tool and a fiber optic cable parameter...
US20090065224 Rock drilling tool  
The present invention relates to a rock drilling element for percussive drilling that is designed to reduce the stress usually developed on a thread joint when the shock wave transmits from a...
US20120111634 EARTH BORING APPARATUS  
An earth boring apparatus includes a drill rod, a source for a drill fluid, and a voltage source. The drill rod has a hollow rod casing provided for throughflow of the drill fluid, and a conductor...
US20140064857 GUIDE FRAME FOR GUIDING A CUTTING APPARATUS  
The invention relates to a guide frame for guiding a cutting apparatus within a pipe incorporated into the ground, having a framework body which can be inserted into the pipe and comprises a...
US20070079989 Borehole generator  
In some embodiments, apparatus and systems, as well as methods, may operate to couple a stator to a borehole, and to move a rotor relative to the stator to generate electrical current to power a...
US20130292182 DOWN-THE-HOLE HAMMER DRILL ASSEMBLY  
The invention provides a down-the-hole drill assembly (21) comprising an assembly of a bit (9) and co-operating chuck (19) including a bit (9) mounting with an external sleeve (4) surrounding the...
US20110120778 DRILLING TOOL  
A drilling tool that has a flexible shaft so as to be able to make short radius curves while still being able to transmit torque and axial loads. The drilling tool includes a drill shaft for...
US20120241218 SONDE WITH INTEGRAL PRESSURE SENSOR AND METHOD  
Generally, a sonde, associated components and methods are described which can be used in conjunction with an inground tool having an inground tool housing that defines an inground tool cavity such...
US20090000826 METHOD AND APPARATUS FOR CONTROLLING PRECESSION IN A DRILLING ASSEMBLY  
Drilling apparatuses and methods for limiting precession are provided. According to one embodiment, a drilling apparatus includes a non-rotating stabilizer. The non-rotating stabilizer includes a...
US20100181112 DRILLING ASSEMBLIES INCLUDING ONE OF A COUNTER ROTATING DRILL BIT AND A COUNTER ROTATING REAMER, METHODS OF DRILLING, AND METHODS OF FORMING DRILLING ASSEMBLIES  
Drilling assemblies include a drill bit and a reamer apparatus in which the drill bit is configured to rotate in rotational direction about a longitudinal axis of a drill string and the reamer...
US20050115718 Flow control mechanism for a downhole tool  
There is disclosed a flow control mechanism for a downhole tool and a downhole tool incorporating the flow control mechanism. In one embodiment, a flow control mechanism (202) is disclosed for...
US20060207796 Multi-function downhole tool  
A multi-function downhole apparatus is described which comprises a tubular main body having at least one recess formed in its outer surface. The recess is adapted to receive any of a set of...
US20130233620 Stabilizer with Drilling Fluid Diverting Ports  
Described are drilling subs that may be connected in a drill string for reducing the accumulation of debris on the exterior of the drill string or otherwise facilitating the return of drilling...
US20150252630 Drill String Stabilizer Recovery Improvement Features  
A stabilizer design for improving the likelihood of recovery of a drill string when obstructions are encountered in a wellbore is disclosed herein. The stabilizer includes a tubular body, a track,...
US20150000987 STABILIZER  
A method of drilling a wellbore includes running a drilling assembly into the wellbore through a casing string, the drilling assembly having a tubular string, a stabilizer, and a drill bit;...
US20110073376 EARTH-BORING TOOLS HAVING EXPANDABLE MEMBERS AND METHODS OF MAKING AND USING SUCH EARTH-BORING TOOLS  
An expandable apparatus for use in a borehole includes a tubular body having at least one opening extending between a longitudinal bore of the tubular body and an outer surface of the tubular body...
US20100212969 STABILIZER ASSEMBLIES WITH BEARING PAD LOCKING STRUCTURES AND TOOLS INCORPORATING SAME  
Stabilizer assemblies and tools incorporating same are disclosed. In one embodiment, a stabilizer assembly comprises a body having at least one bearing pad receptacle therein, and a bearing pad...
US20100212970 STABILIZER ASSEMBLIES WITH BEARING PAD LOCKING STRUCTURES AND TOOLS INCORPORATING SAME  
Stabilizer assemblies and tools incorporating same are disclosed. In one embodiment, a stabilizer assembly comprises a body having at least one bearing pad receptacle therein, and a bearing pad...
US20140131112 Apparatus for Keeping a Downhole Drilling Tool Vertically Aligned  
An apparatus for keeping a down hole drilling tool vertically aligned has a tubular body having an axis, an inner bore, at least one perpendicular channel and at least one set of steering elements...
US20110114390 Sleeve arrangement  
Sleeve arrangement for a drill rig, especially adapted for damping sound and sealing to the ground, said drill rig comprising a feed beam (4) having a drill end (41) and a rear end (42), said feed...
US20100270081 Apparatus and Method for Lateral Well Drilling Utilizing a Nozzle Assembly with Gauge Ring and/or Centralizer  
An apparatus and method for cutting horizontally into an earthen formation including a nozzle assembly having a gauge ring mechanism and/or a centralizer mechanism that allows the nozzle assembly...
US20110198132 DRILL PIPE PROTECTOR ASSEMBLY  
A drill pipe protector assembly comprising at least one protector sleeve (23) adapted to be mounted to the drill pipe string (7) through a fluid bearing (25) so as to be co-axially rotatable with...
US20120273233 DRILL STRING COMPONENTS RESISTANT TO JAMMING  
Implementations of the present invention include drill string components having a thread extending around a body. The leading end of the thread can have a configuration that resists jamming and...
US20100108394 Downhole Tool  
A downhole tool (10′) comprises a body (12′) having a longitudinal axis and a body through-bore (14′), a slot (34′) communicating the outside of the body with the body through-bore. A sleeve...
US20170183921 DRAG BLOCK ASSEMBLY  
Disclosed is a drag block assembly for use with a downhole tool in a subterranean well, such as packers or bridge plugs. The drag block assembly comprises a generally cylindrically shaped sleeve...
US20170016284 CENTRALIZER FOR DOWNHOLE PROBES  
An assembly for use in subsurface drilling includes a downhole downhole probe supported by a centralizer. The centralizer comprises a tubular member that extends around the downhole probe. A wall...
US20160290067 COMPONENT OF BOTTOM HOLE ASSEMBLY HAVING UPWARDLY-DIRECTED FLUID CLEANING FLOW AND METHODS OF USING SAME  
A stabilizer, drill bit, or other component of a bottom hole assembly for use in drilling a borehole includes an elongate and generally cylindrical body, a flow bore in the body, a plurality of...
US20160053548 SLIDE REAMER AND STABILIZER TOOL  
A downhole tool, for selectively reaming a wellbore or stabilizing drill string components within a wellbore, includes an elongate tool body adapted to receive reamer cartridges or stabilizer...
US20150368973 ROLL REDUCTION SYSTEM FOR ROTARY STEERABLE SYSTEM  
Roll reduction system for rotary steerable system. A well drilling system includes a tubular housing that attaches inline in a drill string and a bit drive shaft supported to rotate in the housing...
US20150330208 MULTI CHIP MODULE HOUSING MOUNTING IN MWD, LWD AND WIRELINE DOWNHOLE TOOL ASSEMBLIES  
An apparatus for protecting an electronics module used in a borehole includes a borehole string section having an outer circumferential surface on which at least one pocket is formed, a mount...

Matches 1 - 50 out of 54 1 2 >