Matches 1 - 50 out of 281 1 2 3 4 5 6 >


Match Document Document Title
8167059 Casing and liner drilling shoes having spiral blade configurations, and related methods  
A casing bit, which may comprise a composite structure, for drilling a casing section into a subterranean formation, and which may include a portion configured to be drilled therethrough, is...
7954566 Stabilizer for drill strings  
Apparatus and methods for using the drilling apparatus to increase the linear direction of the drilling action are described. The drilling apparatus contains a drill rod that is fitted with a...
7946355 Auger assembly  
An auger assembly has a shaft supporting flight units having lug and recess connections allowing broken flight units to be removed from the shaft and replaced with another flight unit. The auger...
7913777 Rock drill  
The invention relates to a rock drill (1) for rotational and percussive action, comprising a drill head (2), a conveying helix (3), a clamping shank and a longitudinal drill axis (L), wherein the...
7849938 Ground augering assembly  
A ground augering assembly comprising a dirt dispersing plate having a forward dirt screeding face and having a lower augering depth stopping face; a “C” clamp for alternatively mounting on to and...
7814996 Spiral ribbed aluminum drillpipe  
A spiral ribbed aluminum drillpipe has an intermediate portion with a plurality of ribs spiraling along its length. These ribs have active faces that are exposed by recessed areas. The active faces...
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...
7779938 Swivel for use in installing large diameter casing  
The invention includes a pair of swivels for use with an auger boring machine. One of the swivels allows for rotation of a first auger of a first auger assembly connected to the trailing end of a...
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...
7748479 Box gusseted earth auger  
A brace or gusset is added to the first and last flight blade of an auger length for stability and reinforcement. The braces are generally box shaped with the flight blade as the box bottom. The...
7699119 Auger quick coupler  
A coupler for securing an auger and/or extension piece(s) to a PTO shaft. In one construction, a threaded PTO collar mounts to a PTO shaft and mates with a suitable length stub shaft and captured,...
7677336 Portable drilling device  
A portable drilling device for use in horizontal boring through a substrate beneath an impediment includes a motor mounted on an inclined stabilizer bar. The inclined stabilizer bar includes a...
7669673 Auger having interchangeable cutting heads and method of using the same  
An auger generally comprising a shaft having flighting which is helically wound around the shaft to convey spoil to the surface of the area being excavated. The shaft has a first end and a second...
7661489 Roller reamer  
This invention describes a reaming tool (10) for attachment to a drill string having a body (12) that has connection means (14a, 14b) at either end for attachment to a drill string, at least one...
7641001 Auger  
A tool for boring has an axle for drivingly linking at a first end to a portable rotatable machine. At a second end, the axle has a shaft-receiving bore into which a nose shaft is inserted. The...
7631705 Enhanced screen auger sampling system  
A removable plug and collar for a hollow stem screened auger and a method of collecting water samples using the plug and collar. The plug has an outer threaded surface that is threaded in a first...
7628232 Rotary-percussion drill with a four-start helical shaft  
A rotary-percussion drill includes a four-start helical shaft (3) having a fourfold rotationally and mirror-symmetrical helix cross-section, with radially projecting convexly formed helical webs...
7591329 Auger with a movable gouge for making a borehole  
The invention relates to an auger for making a borehole that presents in its inside wall a groove that is substantially helical, said auger comprising: a hollow core provided with an outer helical...
7578360 Dynamic damper for use in a drill string  
A dynamic damper for installation in a drill string (1), the purpose of which damper is to reduce the risk of jamming the drill bit (5), thereby avoiding damages in the event of unwanted extreme...
7575069 Mobile soil sampling device with vacuum collector  
A mobile soil sampling device is mounted on the side of a vehicle such as an ATV or UTV and includes an upstanding frame member which is vertically movable with respect to the vehicle by means of a...
7555854 Earth auger head and excavation method  
It is an object of the present invention to provide a more efficient and economically superior earth auger head in which a percussive excavation mechanism part (down-the-hole hammer) is...
7546887 Method and device for producing a borehole in the soil  
The invention relates to a method for producing a borehole in the soil, in which a drill pipe and a conveyor screw arranged inside the drill pipe are set into rotation and introduced into the soil,...
7540341 Drill bit  
A drill bit of the present invention is intended to stably perform drilling by lessening a great change in a drilling condition and to avoid reduction of a drilling efficiency even when large chip...
7493949 Flow through subassembly for a downhole drill string and method for making same  
A subassembly for a downhole drill string has a hollow outer body or barrel with a plurality of blade openings. A plurality of blade sets extends outwardly through the openings. Fluid flow inlets...
7455113 Downhole impeller device  
A downhole impeller device for use within a well, comprising: a body connectable to a drill string and having an external diameter smaller than the well diameter so as to form an annulus between...
7401667 Multi-purpose drilling tool  
The present invention relates to a multi-purpose drilling tool with a boring head, a drill twist connected thereto and a downstream clamping shank, a cutting element (1) being provided on the...
7395880 Mortar removal drill bit system  
A mortar removal drill bit system includes a toothed drill bit that includes an elongated rod that has a first end and a second end. A plurality of rectangular plates is attached to and extends...
7389831 Dual-member auger boring system  
A system for boring horizontal boreholes and installing products using a dual member drill string. The system is comprised of a boring machine with a frame and a rotary drive supported on the...
7383881 Stabiliser, jetting and circulating tool  
A downhole tool (10) for use in oil and/or gas well bores. The tool has a tubular body (20) and a sleeve (22) including stabilizer blades (30). The tool is ball (76), activated, weight activated or...
7377339 System and method for damping vibration in a drill string  
A system for damping vibration in a drill string can include a valve assembly having a supply of a fluid, a first member, and a second member capable of moving in relation to first member in...
7367412 Collapsible rock head  
A rock head for use with an auger borer to bore a passageway through a body of soil and rock and simultaneously laying a pipe in that bored passageway. The rock head has a base connectable to the...
7357200 Earth auger  
An earth auger presents a shank having a spiral earth removing structure therearound. The structure first presents a series of spirally positioned housings with cutting teeth therein followed by a...
7261169 Shank for a rotary/percussion tool  
A shank for a working tool has at least three recesses (5) provided within the lockable region (3) and arranged in a cross-section (c-c) to the tool axis (A) at least at angles of 0°, 120°, and 2...
7258178 Auger planter  
An auger planter for forming small holes in the earth for the planting of flower bulbs, plant seedlings and plants, and for the insertion of termite monitors and baits. The auger includes a central...
7252150 Downhole tool  
A downhole tool including a selectively releasable joint, a downhole drilling assembly including the downhole tool, and a corresponding method. In one embodiment of the invention, a downhole...
7225881 Passive logging sonde auger tool  
The auger is attached to a spiral gear and a spring, the apparatus then being connected to the downhole, leading end of the logging sonde. When the auger nose of the modified sonde assembly strikes...
7210543 Reversible power takeoff driven post hole digger  
A reversible post hole digger apparatus powered by a power takeoff shaft includes a transmission providing a reverse gear and a forward gear in a single housing. The apparatus has a power head...
7198434 Full-displacement pressure grouted pile system and method  
An auger bit is provided for a foundation pile system including a drilling rig adapted for mounting and rotating a grout pipe connected to the auger bit to form an auger. The auger bit includes a...
7192094 Auger flight support system  
An auger support assembly for use with an augering system for mining which bores a pair of side-by-side holes through a coal seam using dual side-by-side augers. Each auger includes a drilling...
7182160 Drill string element having at least one bearing zone, a drill string, and a tool joint  
The drill string element has at least one bearing zone for bearing against the wall of the borehole during drilling. The bearing zone comprises at least one bearing segment extending in the axial...
7182161 Drill string tool with bearing sleeve  
A drill string tool such as a drill string stabilizer (1) comprises a circumferentially continuous bearing sleeve (6) having an outside diameter which is equal to or greater than the outside...
7174958 Drill string member  
A drill-string member includes at least one grooved portion on an outer surface thereof. A pair of axially spaced-apart grooved portions are typically provided, with two such pairs axially spaced...
7163363 Perforating drill  
The invention concerns a drill including a generally cylindrical body, tipped with a head and provided, over at least part of its length, generally spiral evaporating grooves. The groove(s) are...
7140456 Easy hold power auger  
A cutting auger has a main auger blade and a front subsidiary coaxial blade each having a drive core and a helical auger flight carried on the drive core for rotation about a longitudinal axis of...
7137461 Masonry drilling tool  
A masonry or rock drilling tool suitable for use with a rotary hammer has a drilling head (4, 104) at a forward end of the tool. A forwardly extending cutting plate (6, 106) is fitted or formed on...
7051821 Adjustable hole cleaning device  
An adjustable hole cleaning device is provided for cleaning a hole in a subterranean formation. A drillstring containing the device is rotated to drill a hole through the subterranean formation....
7044240 Torque absorber for downhole drill motor  
A torque absorber is disposed on a drill string near the motor. The torque absorber automatically adjusts the weight on a drill bit and reduces the likelihood of motor stall caused by resistance to...
7040422 Drill string member  
A drill string member is formed by providing a former and a cylindrical member to be shaped in relationship with the former. Seals are provided between opposing ends of a thick wall cylinder and...
6994494 Device for producing bored piles  
Device for producing bored piles having an auger, which along at least part of the auger length is surrounded by a rotating encasing tube and during boring the encasing tube is rotated in or...
6978849 Hole-boring method and system for making cast-in-situ piles  
The invention relates to a method of boring a hole using a boring system constituted by a simple auger and a dip tube slidably mounted in said auger, said dip tube being provided at its bottom end...
Matches 1 - 50 out of 281 1 2 3 4 5 6 >