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7343985 |
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 delive...
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7234538 |
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...
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7108080 |
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 th...
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6918452 |
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 me...
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6604579 |
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 e...
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6568881 |
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 po...
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6520271 |
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 ...
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6485234 |
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 sec...
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6209660 |
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 ...
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6161636 |
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 b...
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6098448 |
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 ...
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6079906 |
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 o...
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6012536 |
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 ...
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6009958 |
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 surroun...
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5819850 |
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 inje...
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5811741 |
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...
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5803184 |
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 displ...
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5735356 |
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 sof...
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5698799 |
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, ...
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5697733 |
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 an...
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5695014 |
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 h...
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5570748 |
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 divid...
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5548991 |
Relative permeability of subsurface earthen materials is measured by advancing a probe into the earthen material at a constant rate while simultaneously injecting a fluid sealant/lubricant, or vapor, or liquid, from the probe to the eart...
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5503031 |
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 ad...
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5488999 |
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 divide...
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5435176 |
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 t...
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5402855 |
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 ...
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5377770 |
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...
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5377551 |
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 hul...
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5353883 |
A drilling tool (10) of the displacing type comprises a displacing head (22) including a cylindrical mid head portion (24) and lower and upper frustoconical head portions (26, 28). A lower drill portion (12) carries a helical rib (16) wh...
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5327981 |
A groundwater sampler is disclosed which is adapted for reuse at multiple depths during a single boring, which is simple in design, which may be built with but a small number of parts, which is easy to used which is easy to decontaminate...
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5327980 |
A drill head for making a hole in the ground, said drill head comprising a mantle (1), a spraying device carrier (3) mounted inside the mantle (1) so it can rotate, a motor (2) installed inside the mantle (1) driving this spraying device...
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5322134 |
A drill head (1) as part of a drill lance for an apparatus for drilling an underground tunnel, which drill head has a channel (10) extending along the center axis of the drill lance and is rotatable about the center axis, comprising at l...
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5301758 |
A method and apparatus for enlarging a straight or arcuate pilot bore hole and the insertion of tubing in the enlarged bore is disclosed, in which the pilot bore hole 10 is enlarged by advancing a larger diameter housing with a conical e...
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5301561 |
A fluid sampling device particularly suited for downhole applications is disclosed. The device has a tubular housing with a retractable sample tube nested within. The housing and sample tube have generally pointed leading edges to facili...
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5176219 |
The invention relates to an apparatus for grouting holes in the ground to prevent a contaminated zone within the ground from contaminating other zones in the ground. In particular, the grouting apparatus is adapted to follow the hole pre...
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5168765 |
An upstanding tubular housing is provided mounted in sealed connection to the lower end of a tubing string as a downward extension thereof and encloses a screen sample tube therein for movement between an upper limit position with the lo...
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5150622 |
A device for sampling gas vapor underground has a probe tip designed to be driven into the ground. The probe tip has a removable sheath that covers a tube having an enlarged conical tip with the tube having multiplicity of apertures in t...
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5146998 |
A system and method for implanting an underground device. The system includes a hollow body for containing said underground device and a drive cone adapted to penetrate the ground. The drive cone is removably attached to the hollow body ...
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5145015 |
A well point assembly is provided with a central, hollow, rectangular tube having a plurality of elongated slots extending axially from end thereof. Opposite ends of the tube are fitted in end members having complementary recesses with t...
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5135058 |
Apparatus for in-situ treatment of contaminated soil that includes an elongated hollow drive shaft mounted for rotation about its axis while being supported in vertical orientation. The upper end of the drive shaft is connected for selec...
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5133269 |
This invention is comprised of an auger with fixed or replaceable tips designed to cut openings through sheet plastic or fiberglass ground coverings and drill, in a continuous operation, an appropriate diameter hole for planting seedling...
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5119889 |
An apparatus for creating or reaming underground tunnels or conduits for the laying of cable or the like, comprising a bit head having a contoured outer surface adapted to bore through dirt or wood, a rigid core shaft, and a generally cy...
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5111891 |
A steerable subsurface soil-boring head arranged to be rotated and advanced by a pipe string operated by an above-surface drilling apparatus which also provides a supply of high-pressure fluid emitted from a nozzle in the head as an erod...
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5046568 |
A device for retrieving a groundwater sample is provided. The device includes an elonagated hollow housing, a closure assembly mounted on the top end of the housing, and a drive cone removably mounted on the bottom end of the housing. Th...
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5020608 |
A device for forming an elongated hole in the ground, comprising a hollow, flexible conduit, a head (2') which is connected to one end of the conduit and which is fitted with at least one nozzle (5') through which fluid passing along the...
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4986373 |
A post hole digger and a method of implanting a post in the ground. A boring implement having a piercing free end and also having an attachment flange is secured to an end portion of a post to be implanted in the ground. The implement ha...
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4905773 |
A fluid-operated self-propelled subsoil penetrating tool of the type including an elongated housing member having a penetrating nose portion capable of ejecting a jet of liquid under high pressure to break up and disrupt the subsoil adja...
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4840517 |
A soil displacement tool, or mole, comprises a hollow cylindrical body in which is provided an hydraulically reciprocal piston the movement of which drives the tool through the soil to form a hole, the body and piston being annular such ...
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4807707 |
A sampling system and method for obtaining subsurface samples of soil gas and ground water includes a sampling probe which is pushed into the ground with a plurality of thrust rods. The sampling probe has a pointed head telescoped within...
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