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| Number | Title | Issue Date |
| 7527109 | Locating apparatus and system Apparatus and methods for locating underground obstructions are disclosed. One embodiment of the present invention comprises an elongate probe with a first and second end and a first internal fluid passageway, a handle disposed on the elongate member, and a tip disp... | 05/05/2009 |
| 7343985 | Bit balling treatment A solid body contains a surfactant and crushed walnut hulls. The solid body is shaped to predetermined dimensions that permit passage through the central interior opening of drill pipe. The solid body dissolves in drilling mud for delivery of a pill to the annulus t... | 03/18/2008 |
| 7311011 | Apparatuses for interaction with a subterranean formation, and methods of use thereof An access casing assembly structured for placement at least partially within a subterranean formation by forcing the access casing assembly thereinto, comprising a plurality of casing sections operably coupled to form a central elongated cavity for providing access ... | 12/25/2007 |
| 7234538 | Method for sinking a borehole in the ground and wet boring tool The invention relates to a method for sinking a borehole in the ground, in which a wet boring tool with a removal area for producing or advancing a borehole is used, the borehole is at least partly filled with a fluid and in the borehole is formed a filling area and... | 06/26/2007 |
| 7226246 | Apparatus and method for building support piers from one or successive lifts formed in a soil matrix An apparatus and method for forming a support pier having a single or multiple compacted aggregate lifts in a soil matrix, wherein the apparatus includes a vertical, hollow tube with a bulbous leading end or head element that is forced into the soil matrix. The holl... | 06/05/2007 |
| 7156189 | Self mountable and extractable ultrasonic/sonic anchor Self drilling anchors and related methods and apparatus. In one embodiment an apparatus comprises a drill bit, a hammer mechanism for hammering the drill bit in a first direction and in a second direction, and a selection mechanism for controlling whether, at a give... | 01/02/2007 |
| 7121357 | Method of inserting a grounding rod A method of inserting a grounding rod includes providing an elongated grounding rod that has an upper end and a lower end and also providing a hammer drill. An elongated tubular member has an open first end and an open second end. The tubular member includes a first... | 10/17/2006 |
| 7111685 | Downhole sampling apparatus and method A method and apparatus for reducing debris in a perforation in a wellbore extending from the wellbore into a subterranean formations is provided. A housing is positioned in the wellbore, and an arm is extended therefrom. One or more plugs are positionable in the per... | 09/26/2006 |
| 7108080 | Method and apparatus for drilling a borehole with a borehole liner A method for drilling a borehole includes; providing a drill string of drill pipe including a center bore, a distal end, a bit assembly at the distal end; hanging a liner from the drill string, thereby forming an annular space between the drill string and the liner ... | 09/19/2006 |
| 7104732 | Pile installation method with downhole hammer A pile is installed in a drilled hole in the ground by inserting a tube extending to the bottom and providing on the bottom end of the tube a bottom shoe for compressing material at the bottom of the hole. A drive tool attached to the upper end of the tube applies d... | 09/12/2006 |
| 7093671 | Pneumatic rock-boring device and method for starting such a device The invention relates to a method for horizontal ground-boring, in particular for rock-boring, by a rotating and hammering driven ground-boring device, whereby the device is alternately or simultaneously supplied with compressed air and drilling medium and the compr... | 08/22/2006 |
| 7018498 | Product and method for making a three dimensional amorphous metal mass A three dimensional amorphous metal mass suitable for milling is formed wrapping amorphous metal ribbon into a three dimensional shape and then applying adhesive to the three dimensional shape. The adhesive permeates the three dimensional shape. The adhesive is then... | 03/28/2006 |
| 6959772 | Self-penetrating soil exploration device and associated methods Methods and apparatuses for maneuvering through a medium such as soil are disclosed. One such apparatus has a generally longitudinal body that can impel itself through the medium. This apparatus also has at least two independently-controllable packers arranged radia... | 11/01/2005 |
| 6918452 | Drill string shutoff valve A valve assembly connects into a drill string for opening and closing the inner passage within the drill string. The valve member moves between the open and closed positions in response to axial movement of the drill string. The valve member has an upper portion and... | 07/19/2005 |
| 6913094 | Leading body for ground drilling and ground drilling machine A leading body for a ground drilling machine is provided which includes a main body which is tapered at a front end thereof to form a first sloped surface and a second sloped surface on opposite sides of the front end of the main body. A slant-cutting section extend... | 07/05/2005 |
| 6843020 | Fertilizer spike and method and apparatus for inserting same into soil A fertilizer spike is insertable into soil utilizing a tool having prongs. The fertilizer spike comprises a fertilizer body comprised of fertilizer material having a base end with an outer surface that converges toward a tip end, in which at least two channels are f... | 01/18/2005 |
| 6604579 | Pressure activated injection probe An injection probe assembly is disclosed for injecting material into subsurface formations for making geotechnical improvements. The probe assembly includes a sheath having an upper end for attaching to a mating tool string and a lower end for receiving a... | 08/12/2003 |
| 6568881 | Jet head device for sinking pilings A jetting device for installing a piling or post includes: (a) a cap including a generally conical or pyramidal shaped, perforated, hollow main body portion, and an upper flange portion for closely fitting over a base of the piling or post, the flange por... | 05/27/2003 |
| 6520271 | Fluid powered rotary drilling assembly A drilling fluid powered rotary drilling motor is mounted on the downhole end of a non-rotating fluid conducting drill string has a drill bit on its distal end and a plurality of fluid engaging, rotating elements coupled to at least one speed reducing pla... | 02/18/2003 |
| 6485234 | Apparatus and method for making cylindrical columns A tool for use with a rotatable drill shaft and a source of pressurized fluidized solidifying agent. The tool member has upper and lower extremities. A coupler is coupled to the upper extremity of the tool member and is adapted to be secured to the drill ... | 11/26/2002 |
| 6209660 | Drill bit shear relief for horizontal directional drilling of rock formations A drill bit for directional boring of all earth formations such as dirt, sand, rock and/or any type combination of formations, utilizing a bit body containing fixed and semi-floating cutting points and one or more fluid channels for the purpose of lubrica... | 04/03/2001 |
| 6161636 | Boring head and bit protective collar A protective collar for a boring bit which interfaces with a boring head whereby shear forces developed during a boring operation are transmitted through the collar to the boring head, with minimal shear force being carried by mounting bolts. A collar is ... | 12/19/2000 |
| 6098448 | In situ measurement apparatus and method of measuring soil permeability and fluid flow An apparatus and method for discrete soil gas and saturated liquid permeability measurements with direct push emplacement systems (such as a cone penetrometer rod). A modified direct push emplacement system having at least one injection port and at least ... | 08/08/2000 |
| 6079906 | Method for making foundation piling with drilling machines A method for making foundation piles in soil with a drilling device having an auger, the auger including two concentric tubes, an outer tube occupying an upper part of the auger and an inner tuber projecting partially as a prolongation of the upper part a... | 06/27/2000 |
| 6012536 | Method for steering a ground-drilling machine The invention pertains to a method for steering a ground drilling machine, in particular, a pipe string assembly with a drilling head which is driven in the ground in rotative, propulsive and, if so desired, percussive fashion, in which at least one defle... | 01/11/2000 |
| 6009958 | Soil sampling apparatus and a geological observation method using the same A soil sampling apparatus includes a sampling box for penetrating the ground first, and a shutter plate for subsequently penetrating the ground while engaging with the sampling box, thereby sampling soil layers located in a space surrounded by the samplin... | 01/04/2000 |
| 5819850 | Geotechnical grouting device and method The invention relates to a grout injection device and method for depositing a liquid grouting material in a hole formed by a cone penetrometer. The device is a modular design with a sliding sleeve member that replaces older grouting injection devices with... | 10/13/1998 |
| 5811741 | Apparatus for placing geophones beneath the surface of the earth An apparatus for placing geophones beneath the surface of the earth includes a machine frame that supports an elongated probe rod. The probe rod is dimensioned to reach a selected subterranean earth layer. The rod has upper and lower end portions. A geoph... | 09/22/1998 |
| 5803184 | Rotatable drill pipe having an auger on a free end thereof Method and device for introducing a pipe into the ground. In order to restrict the drive power necessary to the greatest possible extent and to optimize the diameter of the pipe, it is proposed that the soil surrounding the pipe is displaced in the radial... | 09/08/1998 |
| 5735356 | Well boring method and apparatus Apparatus is disclosed for removing soil from a well, which is particularly adapted for use both in cleaning out sandy deposits in pre-existing wells and in boring new well shafts through sandy ground, or through alternating hard and soft soil layers. The... | 04/07/1998 |
| 5698799 | Zone isolator module for use on a penetrometer A zone isolator module for use on a penetrometer comprises a tubular body having an annular recess in an exterior wall thereof, an elastomer membrane fixed in the annular recess and adapted to lie against an inner surface of the recess, a sleeve slidably ... | 12/16/1997 |
| 5697733 | Centrifugal force vibration apparatus and system An apparatus for use in compacting or densifying soils includes a tubular casing having a vertical longitudinal axis and an inside surface; a hollow tubular drive shaft aligned with the vertical longitudinal axis of the tubular casing and mounted for rota... | 12/16/1997 |
| 5695014 | Ram boring apparatus A ram boring apparatus has a generally cylindrical body with an attached head, the apparatus being connected to a drive rod which pushes the apparatus forwardly through the earth. The drive rod can also rotate the body and the attached head about the long... | 12/09/1997 |
| 5570748 | Drill bit for geological exploration A drill bit (10) for drilling geophysical exploratory holes using a non-rotating drill approach is disclosed. The bit (10) includes a tubular body (12) threaded at one end for engagement with a pipe stem. The elements (16a -b) of a divided conical tip (14... | 11/05/1996 |
| 5503031 | Ground water sampling device A ground water sampling device has an elongated cylindrical hollow housing positioned at a desired depth below the ground surface. The housing has an opening formed at its lower end and an inner surface with an annular groove disposed adjacent the opening... | 04/02/1996 |
| 5488999 | Drill bit for geological exploration A drill bit (10) for drilling geophysical exploratory holes using a non-rotating dill approach is disclosed. The bit (10) comprises a tubular body (12) threaded at one end for engagement with a pipe stem. The elements (16a-b) of a divided conical tip (14)... | 02/06/1996 |
| 5435176 | Hazardous waste characterizer and remediation method and system A mobile hazardous waste characterization system having a top driven rotary kelly bar and drill bit in conjunction with a non-rotatable casing surrounding the kelly bar in which the casing and waste contamination sensing probes affixed thereto are support... | 07/25/1995 |
| 5402855 | Coiled tubing tools for jet drilling of deviated wells Low-cost, medium-curvature, deviated drainholes are drilled from a vertical cased well in soft formations, using the jet-drilling technique with a coiled-tubing. The high-velocity liquid jet is oriented at a small angle from the axis of the coiled tubing ... | 04/04/1995 |
| 5377551 | Probe for penetrating and displacing particularly into a mass of pulverulent material The invention relates to a probe assembly (1) adapted to penetrate and travel in a mass of material, comprising: a hull, a front striking zone (3) and/or a rear striking zone (4) axially opposite, for transmitting pulses to the hull, a striking piston (2) and ... | 01/03/1995 |
| 5377770 | Apparatus for improving impact tool lubrication An impact tool having an air-operated hammer for impacting against an anvil in the body of the tool to cause the tool to tunnel through the ground, and having passages and conduits opening to the front region of the tool to pass water to lubricate the too... | 01/03/1995 |
