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7428933 |
Methods and systems for conducting liner drilling and subsequent completion of the drilled section by cementing and anchoring the liner into place. The methods and systems prevent the liner from being cemented in in a bent or corkscrewed...
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7347282 |
A steerable soil penetration system having a steerable penetration head, which compacts and does not cut away the surrounding soil and which is connected to an elongate flexible tubing such that the orientation of the penetration head ca...
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7334649 |
A borehole may be drilled utilizing the bottom hole assembly 10, 50 with a downhole motor 14, 110 , which may offset at a selected bend angle. A bend for directional drilling may be provided by a PDM, or by a RSD. A gauge section 36 ...
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7258174 |
A method for pressure- and flow-prevetive fixing of well pipes, preferably liners and casings ( 14, 54, 60, 66 ) in a well when drilling the well, wherein the method also may be used in a completed well in order to place a pressure- and ...
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7255181 |
In a method and device for drilling, in particular percussion drilling or rotary percussion drilling, holes in soil or rock material, wherein a borehole is formed by a percussive and/or rotational movement carried out by a drill bit ( 1 ...
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7131505 |
The present invention provides a method and apparatus for setting concentric casing strings within a wellbore in one run-in of a casing working string. In one aspect of the invention, the apparatus comprises a drilling system comprising ...
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7080697 |
A method and a device for the drilling, in particular the percussive or percussive rotary drilling of a hole in earth or rock and for securing an anchorage in the hole. A bore hole is created by a drill bit mounted on a drill pipe and a ...
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7040420 |
The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions....
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6953092 |
An apparatus and method for pre-installation of a petroleum wellhead on the seabed. The apparatus includes two principal components: a wellhead ( 1 ) and a ballast tube ( 9 ). The wellhead includes a tube in which are fixed guide fins ( ...
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6892819 |
An apparatus including a support member, the support member including a first fluid passage, a mandrel coupled to the support member, the mandrel including: a second fluid passage, a tubular member coupled to the mandrel, and shoe couple...
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6877570 |
A borehole may be drilled utilizing the bottom hole assembly 10, 50 with a downhole motor 14 , which may offset at a selected bend angle. The motor housing is preferably run slick, and a gauge section 36 secured to the pilot bit 18...
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6857487 |
The present invention provides a method and apparatus for setting concentric casing strings within a wellbore in one run-in of a casing working string. In one aspect of the invention, the apparatus comprises a drilling system comprising ...
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6854533 |
The present invention generally relates to a method and an apparatus for drilling with casing. In one aspect, a method of drilling a wellbore with casing is provided, including placing a string of casing with a drill bit at the lower end...
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6705413 |
A method and apparatus for drilling directional wellbores using a casing string as a drill stem is taught. A retrievable bit is mounted at an end of the casing string and either a mud motor with a bent housing and/or bent sub or a rotary...
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6655874 |
A method of slitting a flexible conduit in an underground bore, the conduit having entry and exit ends thereof exposed for access, includes: (1) fitting a retainer to flexible underground conduit adjacent to the entry end thereof, the re...
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6575240 |
An apparatus and method for forming a wellbore casing. A mandrel is used to position a tubular member within a wellbore. The mandrel is then driven into the bottom of the wellbore. The tubular member is then radially expanded by the mand...
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6318471 |
A method is disclosed for installing a tubular member, having an upper end and a closed lower end, axially into and through an over-pressured region of the earth by using a mandrel to drive the tubular member from near the bottom, which ...
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6298925 |
A method and apparatus for installing a groundwater sampling device into the ground includes a generally cylindrical housing open at top and bottom end portions and defining a recess therein. An expendable tip member is removably connect...
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6283231 |
Soil-displacing screw auger which contains an auger tube (1); a double displacement body (2) equipped with a hollow shaft (8) fixed to the auger tube (1) and containing an upper part (6) which constitutes a closed screw the radius of whi...
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6207114 |
The invention provides a permeable treatment wall comprising one or more high-permeability columns, as well as a methods for preparing such a permeable treatment wall.
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6116353 |
A well assembly device comprises an outer tubular sleeve with a first end and second end. An inner tubular member has a first end and a second end, and the inner tubular member is disposed within the outer tubular sleeve. The inner tubul...
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6102119 |
A method is disclosed for installing a tubular member, having an upper end and a closed lower end, axially into and through an over-pressured region of the earth by using a mandrel to drive the tubular member from near the bottom, which ...
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5980157 |
The invention pertains to a machine for producing or widening ground bores and/or for shattering old pipelines and laying new pipelines, consisting of a push-pull unit and a rod assembly that is connected to and driven by the push-pull u...
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5876152 |
Ramming drill for destructive replacement of buried pipelines with a conical tip, a crushing head set onto the conical tip with radial cutters and a traction cable acting on the equipment tip.
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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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5669454 |
Described is a device for driving into the ground which includes a drive point, a fluid passage section, an annular seal and an annular drive rod. The annular seal is the widest member and fits snugly in a borehole formed after the devic...
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5570747 |
Described is a device for driving into the ground which includes a drive point, a fluid passage section, an annular seal and an annular drive rod. The annular seal is the widest member and fits snugly in a borehole formed after the devic...
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5549170 |
A drill string is advanced into the ground by inducing vibrations in the drill string at a resonant frequency. The drill string has an opening at a downhole end leading to a hollow interior. As drilling progresses, a core enters the holl...
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5494118 |
The invention provides that an underground through borehole (28) is formed with a reaming tool (24). It is filled with a viscous fluid and as soon as possible after being so filled, a flexible lining tube (32) is inserted into the boreho...
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5449045 |
Described is a device for driving into the ground which includes a drive point, a fluid passage section, an annular seal and an annular drive rod. The annular seal is the widest member and fits snugly in a borehole formed after the devic...
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5417290 |
In combination with resonant sonic earth drilling components, and for particular use in retrieving a core sample in a core barrel seated against an internal shoulder in a sonically driven drill bit, a resilient axial loading device not o...
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5339909 |
An apparatus for making earth bores with simultaneous emplacement of pipe, especially for making well bores, includes an earth boring device (10) with a drive device (12) and a displacement head (14) coaxial with the drive device (12). T...
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5281775 |
A vibrating hole forming device for seismic exploration in which a vertically elongated mounting pipe with attached rack gear is powered vertically by a hydraulically driven pinion gear which will mechanically push the pipe downwardly in...
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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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5161626 |
An impact borer, a connector, a method for embedding lines and an improved method for sinking geothermal wells. The impact borer has a shell, which has a longitudinal bore. An anvil closes one end of the bore. A ram is reciprocally slide...
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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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5096000 |
In a process for laying underground service lines without excavation by means of a ram boring machine, old pipe lines already buried underground are replaced by new service lines without having to tear up the ground or destroy the old pi...
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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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4836299 |
A well casing of an elastic metal material is placed in concentric relationship with a casing of an inert material such as a suitable plastic. A penetrating cap piece is placed on the bottom end of the metallic casing. The two concentric...
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4732222 |
In a ram boring machine for laying pipelines without trenching, a double blade that is axially moveable against a compression spring is housed in an impact tip and projects through slots in the impact tip. The double blade is struck by a...
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4693318 |
A well screen filter is formed with inner and outer concentric screens defining an annular filtering space filled with filtrating medium. A lower perforated plate supporting the filtrating materials has passages allowing transit of fine ...
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4557409 |
The present invention is a double-headed hammer slidingly encompassing a ground rod driving shaft having a single anvil affixed thereto which can be selectively engaged by either hammer. The driving shaft has a recess in each end to rece...
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4542796 |
The invention concerns itself with a process and a device for drilling the soil, more particularly but not exclusively, for the purpose of laying pipelines. A guide block (26) that slides on means that form a slide bar (27, 28) parallel ...
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4507019 |
A pipeline replacement system incorporating an expansion and line replacement mandrel and having a power system for imparting linear movement and rotation to the mandrel. Within the scope of the invention, the mandrel may be pushed or pu...
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4297055 |
A process of installing a pipe system under an existing building constructed upon a concrete slab or other foundation not permitting access beneath the ground floor, for the purpose of periodic introduction of insecticide to control or e...
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4286651 |
A geothermal system and method of installing the same comprises the steps successively driving a drive pipe structure vertically into the ground at a plurality of locations so that a major portion of the length of the drive pipe structur...
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4176716 |
A method of tapping groundwater and an apparatus therefor are disclosed. A probe is driven to a water bearing stratum to determine the depth thereof. Then a riser tube is driven to the thus determined depth and a riser conduit with a foo...
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4133395 |
An earth boring assembly is provided with a hammer member at its leading end for impacting through an earth formation to form a boring therein. An expander cone is attached rearwardly of the hammer to expand the boring which has been for...
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4100750 |
The invention relates to a hollow auger and to a method for producing piles cast in the ground. The method is characterized in that one uses an auger provided with a removable cutting head and which is able to slide in a sealed manner in...
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4067200 |
A method and an apparatus for pulling flexible duct through soil simultaneously with the penetration of soil which comprises a means for penetrating the soil having a duct receiving portion mounted to its trailing end. The duct is pulled...
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