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Class 175/62 - Boring horizontal bores


Subclass of Class 175 - Boring or penetrating the earth
Definition: Processes comprising the making of a horizontal bore either
No. of patents: 367
Last issue date: 04/10/2012


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NumberTitleIssue Date
4538858Apparatus for drilling and inserting a horizontal pipe
A horizontal earth boring machine is disclosed of the type in which a carriage supports an engine rotatably connected to an auger, and a push ring. The carriage is movable along a set of tracks between a forward position and a rearward position. Hydraulic...
09/03/1985
4516878Tunnel constructing
Tunnels are constructed by freezing soil and removing frozen soil between starting and end shafts of the tunnels. Tunnels are driven in an uncomplicated manner in rapidly changing soils without auxiliary construction means. A hole is bored in or near the ...
05/14/1985
4487525Propulsion pipe laying system
A propulsion-jack driven pipe laying system including a pilot head having a cutter mounted at the leading end thereof and a propulsion-jack mounted in a pit behind the pilot head for propelling the same into the underground. The system further includes a ...
12/11/1984
4486124Pipe laying method and apparatus
A method and apparatus for laying a pipeline in the underground. First, a pilot pipeline of small diameter is laid in the underground between a departure pit and an arrival pit. A cutter head having a cutter drum mounted thereto is attached to the trailin...
12/04/1984
4471843Method and apparatus for rotary drill guidance
A process for controlling the direction of advance of a generally horizontal borehole extended through a subterranean coal-bearing formation by a rotary drilling operation. As the drill string is rotated in the hole, the advance of the drill bit is guided...
09/18/1984
4461359Rotary drill indexing system
Rotary process and apparatus for drilling a borehole through a subterranean formation in which the path of a rotary drill bit is varied by deflecting the drill string in response to the pulsating flow of drilling fluid through the drill string. The pulsat...
07/24/1984
4455107Pipe and cable installers
To install a pipe or cable in the ground without disturbing the surface or the ground above the pipe or cable such for example as where a pipe is to be installed under a street, driveway or sidewalk, it is customary to place an underground pipe installing...
06/19/1984
4453603Apparatus and method for selected path drilling
A drilling rig for drilling a selected underground path is provided. The drilling rig includes a pipe handling apparatus having a hydraulic cylinder and ram mounted on an inclined ramp over a substructure wherein rooms for housing supplies and control equ...
06/12/1984
4445574Continuous borehole formed horizontally through a hydrocarbon producing formation
A borehole is formed down into the ground and extends towards an underlying pay zone, and then is turned horizontally through the pay zone, and then continues back up towards the surface of the earth; so that the resultant borehole is continuous from an i...
05/01/1984
4441564Portable variable angle drilling machine
A hole drilling machine which includes a geared stationary drill frame with a guide track to which support legs are attached at either end. A drive shaft made of hollow flexible tubing driven by a motor suspended from the guide track. An adjustable swivel...
04/10/1984
4440240Method of making holes in the soil and apparatus for performing this method
The method of making holes in the soil includes driving a capsule into the oil by percussive action and filling the capsule with the soil. Then the driving of the capsule into the soil by percussive action is continued, with the soil passing therethrough. ...
04/03/1984
4422800Method of installing an underground conduit
Disclosed is a method of installing a conduit in the earth below a grade which includes the steps of pulling a cable through the earth along the course to be traveled by the conduit and marking the ends of the cable....
12/27/1983
4403664Earth boring machine and method
An earth boring machine and method are disclosed. An above-ground reference line, such as a laser beam, is established for a hole to be bored. The direction of the reference line is detected. The direction of a cutting head of the boring machine in a bore...
09/13/1983
4399877Continuous borehole telemetry system and method
In situations where it is necessary to directionally drill boreholes from the surface in a substantially horizontal attitude, such as for pipeline river crossings, the precise directional parameters of drilling become critical. A system of tools for effic...
08/23/1983
4386664Method for guiding rotary drill
A method of controlling the direction of a generally horizontal borehole drilled with a rotary drilling unit in a subterranean formation such as a coal seam. The method comprises predetermining drilling conditions for the formation being drilled and the e...
06/07/1983
4365676Method and apparatus for drilling laterally from a well bore
A hole is drilled laterally from a main well bore by lowering a drilling unit into the bore in a position of extension essentially longitudinally thereof, and then swinging the unit to a position of extension transversely of the well bore to drill the lat...
12/28/1982
4340122Mounted drilling apparatus
The drilling apparatus includes a mount in the form of a cylindrical member defining an elongated passageway and being provided with two opposite guiding rails each being formed with an elongated recessed channel communicating with the passageway; a rotar...
07/20/1982
4334580Continuous borehole formed horizontally through a hydrocarbon producing formation
A borehole is formed down into the ground and extends towards an underlying pay zone, and then is turned horizontally through the pay zone, and then continues back up towards the surface of the earth; so that the resultant borehole is continuous from an i...
06/15/1982
4317492Method and apparatus for drilling horizontal holes in geological structures from a vertical bore
This invention is directed to a method and apparatus for drilling horizontal holes in geological strata from a vertical position. The geological structures intended to be penetrated in this fashion are coal seams, as for in situ gasification or methane dr...
03/02/1982
4281723Control system for a drilling apparatus
An improved deflecting device is provided for a drilling apparatus having a rotatable drill shaft extending from a power source through said deflection device to a drill bit. The deflection device includes an outer housing affixed to the power source and ...
08/04/1981
4280732Method and apparatus for mining
A method of mining a mineral deposit from a remote point, particularly useful in mining pitching or horizontal seams, comprises boring, casing and preparing a log of a probe hole; the casing will later be used as a guide for the mining head. All personnel...
07/28/1981
4274758Device to secure an underground pipe installer in a trench
A pair of elongated abutment members are provided in a parallel arrangement outwardly of respective sides of an underground pipe installer device, and a link arrangement connects the abutment members to the respective sides in a manner whereby the spacing...
06/23/1981
4273193Process for use in degasification of subterranean mineral deposits
A process for drilling spaced horizontal boreholes in a coal or other mineral deposit in excess of 1500 feet in length in a pattern determined to maximize gas removal. Directional guidance is provided by a continuous downhole survey tool connected to data...
06/16/1981
4249620Method of boring holes which are open at both ends in the ground
A method of boring holes in the ground, which holes are open at both ends, includes forming an open-ended pilot bore by means of a first self-propelled displacement hammer of smaller diameter. Next a cable is introduced through the pilot bore and then the...
02/10/1981
4242013Method for forming a hole in the earth
In forming holes in the earth, a circular frame of columns supported by structural members is placed in the earth to provide lateral support for the side walls of the hole while the hole is being excavated and after the hole is excavated. The structural m...
12/30/1980
4230191Machine for making underground excavations
A machine for making underground excavations by compacting soil comprises an eccentric shaft having journals on which there are mounted for a free rotation in a sequence, beginning from the front end, a conical member and tapered rolls forming in combinat...
10/28/1980
4226288Side hole drilling in boreholes
Apparatus for use in a borehole or other restricted space to bore a side hole into the strata surrounding the borehole, including a flexible shaft with a drill at its end, and two trains of sheathing members that can be progressively locked together into ...
10/07/1980
4226477Device for removing the earth generated by tunneling
A device for removing the earth generated while tunneling to install conduit, pipe or the like. The earth removed from the tunnel is conveyed to the surface as it is generated. The apparatus includes a first auger-conveyor disposed at the side of the tunn...
10/07/1980
4184553Method for controlling direction of horizontal borehole
A heavy cylinder having an axial flow passage is pumped down a rotary drill string to a position adjacent a drill bit to cause an in-seam horizontal drill to be guided in a downward direction. The cylinder can be removed with a latchable retrieval tool af...
01/22/1980
4153120Change in length of drill string while instrument remains therein
A hole in the earth is formed utilizing a drill string containing an instrument connected by a flexible conductive line to a unit at the surface of the earth. During intervals when the length of the drill string is being changed, as by addition of another...
05/08/1979
4146347Method and apparatus for lateral excavation
The invention discloses a method and apparatus for placing, insitu, beneath roadways and the like, pipe or other longitudinal members, without the need to remove the overburden. This accomplished by vibrating the pipe into position with the use of a speci...
03/27/1979
4143721Change in length of drill string containing an instrument
Methods and apparatus are provided for enabling an instrument and a connected flexible line contained in a drill string to be left in the string while a pipe section is being added to or removed from the string, to thereby avoid the inconvenience and loss...
03/13/1979
4135588Boring and compacting tool
The boring and compacting tool comprising an elongated shaft having a front conical section and a rear cylindrical portion. A front helical spring is wrapped about the conical section and attached thereto at the ends thereof. A cutting head is threaded on...
01/23/1979
4124082Method of and apparatus for cutting a tunnel in plastic soil
The disclosed method of cutting a tunnel in plastic soil uses a pipe and a cutting head mounted on one end of the pipe. The inner diameter of the cutting head is less than the inner diameter of the pipe, and the outer diameter of the cutting head is great...
11/07/1978
4117895Apparatus and method for enlarging underground arcuate bore holes
A hole-opener and a hole-opener apparatus is provided for enlarging a pilot hole of the inverted arcuate type which bypasses an obstacle, the pilot hole having an entrance and terminal end, both ends usually being accessible to surface drilling equipment....
10/03/1978
4091631System and method for installing production casings
A system and method for emplacing a relatively large casing under and spanning an obstacle such as a river is disclosed. The casing is emplaced along the arcuate path of a previously bored and placed existing pilot string running beneath the obstacle betw...
05/30/1978
4059163Mine drilling apparatus and method
A drilling apparatus comprises a support structure adapted to be moved on rails to position a drilling assembly mounted thereon adjacent to a selected drilling site. The drilling assembly includes a carriage movably mounted on the support structure for lo...
11/22/1977
4056151Excavating tool
An excavating tool having an auger head of conventional construction at one end of a horizontal rod with a ratchet drive for rotating said rod at the other end thereof. An outer drive tube covers the intermediate portion of said rod and a thrust washer is...
11/01/1977
4043136System and method for installing production casings
A system and method for emplacing a relatively large casing under and spanning an obstacle such as a river is disclosed. The casing is emplaced along the path of a previously bored and placed existing pilot string running beneath the obstacle. The pilot s...
08/23/1977
4026371Pilot head for laying pipes in the ground
There is disclosed a pilot head used for laying small-diameter pipes such as gas, water conduits or the like precisely in position in the ground. The pilot head comprises an expandable and contractable pilot jack disposed within a pilot casing, a pivoting...
05/31/1977
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