Abstract: A highly mobile and capable oil, gas and geothermal well drilling rig is shown which provides for the rapid placement, assembly, disassembly, and repositioning of various rig components of the drilling rig The drilling rig includes a support base and working floor which is trailerable and which can be rapidly erected to a working height at the well site. A special drawworks trailer both transports the drawworks and the rig derrick. Hydraulic cylinders on the drawworks trailer are used to move the derrick from a horizontal, transport position to a vertical, working position. At the same time, the weight of the derrick is off-loaded from the drawworks trailer to the base support structure. The selection and arrangement of the various rig components provides a faster set up and take down operation than was previously obtained.

Abstract: A hydraulic fluid tank for a drilling machine includes a primary chamber and a secondary chamber. The primary chamber is located entirely below the hydraulic pump of the drilling machine, and the secondary chamber is located above and in fluid communication with the primary chamber. The secondary chamber is adapted to maintain a hydraulic fluid level that is above the pump suction centerline of the drilling machine pump as the hydraulic fluid in the tank reaches its normal operating temperature during operation of the drilling machine. The secondary chamber is also sized and configured to allow for thermal expansion of hydraulic fluid in the amount of at least about 5% of the total tank volume as the hydraulic fluid in the tank reaches its normal operating temperature during operation of the drilling machine.

Abstract: A shock mounted top drive comprising a traveling frame for moving along a drilling tower, the traveling frame comprising a first and second housing section, at least one set of sheaves mounted to the upper section of each housing section, a guide wheel assembly secured to the outboard side of each housing section, at least one swivel support disposed on the inboard side of each housing section, at least one shock absorber disposed on each swivel support, and at least one upper stop connected to the inboard side of each housing section. A top drive power swivel, which has a housing and a rotating drive shaft, is secured to the traveling frame using a plurality of removable top drive retainers. The top drive retainers engage the inboard side of each housing section between the upper stops and the shock absorbers.

Abstract: A multi-seal sealing assembly with multiple seals so that when one seal wears out another can be moved into sealing position; and a top drive system for wellbore operations with such a sealing assembly; the sealing assembly in one aspect having a seal carrier movable to move at least one secondary seal into sealing position when a primary seal has worn out.

Abstract: A drilling rig for drilling an underground borehole (5) into a seam (4) uses coiled metal tubing (8) fed by a tractor unit (11) from a drum (7) to provide a thrust force to a drilling head. The drilling head has a bent-sub assembly giving an angle of deviation which is controlled by rotating the coiled metal tubing in the borehole by way of rotation of the drum (7) in the frame (12) about the axis of the tube in the borehole (5).

Abstract: A top drive system including, in certain aspects, a motor, a gear system below, and driven by the motor, a space between the top drive motor and the gear system, a seal assembly for inhibiting oil for lubricating parts of the gear system from flowing into the space, the seal assembly having a movable rod piston, a sealing arm projecting from the rod piston, at least one removable seal secured to the sealing arm, a seal member releasably secured to the gear system, and the movable rod piston movable to move the sealing arm to bring the at least one removable seal into sealingly contact with the seal member to inhibit oil from flowing into the space.

Abstract: A guide rail plate for top drive of a drilling system, including a guide rail plate consisting of 5-7 guide rail sections, characterized in that there is a pair of boss (3) and recess (4) on the opposite surfaces of inter-linked upper guide rail section (1) and lower guide rail section (2); there are hinge lugs (5) on the right and left side of both ends of the upper guide rail section (1) respectively, there are hinge lugs (5) on the right and left side of both ends of the lower guide rail section (2) too; the matched hinge lugs (5) on the upper and lower guide rail sections (1,2) were connected by the hinges of the pins (6); a hydraulic cylinder (7) is centrally longitudinally fixed at the lower end of the upper guide rail section (1); a cone plate (8) is connected to the lower end of the piston of the hydraulic cylinder (7); there are lock shafts (9) on the right and left side of the cone plate (8); the lock shafts (9) are placed in the transversal lock shaft holes (10) corresponding to the upper and lower

Abstract: A reentry apparatus for installation on an abandoned well with a surface casing and a production casing inside and below the top end of the surface casing. A production plate seals the production casing. The apparatus includes a drill guide tube with a bottom end attachable to the production plate and configured to extend up above the top end of the surface casing. A surface plate seals the top of the surface casing and the tube extends up through the surface plate and is sealed thereto. A vent hole extends through the tube wall between the surface and production plates. A plug blocks the central passage of the tube above the vent hole. The tube is adapted for releasable attachment of a cap and a pressure control apparatus with drilling tool such that the drilling tool can bore through the plug while containing pressurized fluid in the surface casing.

Abstract: The invention relates to an apparatus for moving an Iron Roughneck into position to allow making-up or breaking-out of threaded joints in a drill string. The apparatus may also be used to move other drilling equipment into position on the centerline of the well or at mouse holes. A self-balanced, dual synchronized parallelogram arm is utilized to accomplish the movement of the devices. Hydraulic or pneumatic cylinders are used for extension and retraction of the arm rather than to support the tool. The arm may hold the tool in any position without cylinder assistance. The linkage in the synchronized parallelogram may be accomplished by gears, links, slots, or rollers.

Abstract: Extension systems for iron roughnecks are disclosed. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

Abstract: In one aspect, the invention comprises an instrumented drill head for intended use with a drilling machine including a drilling element, such as a drill bit. The drill head includes a case with a rotatable chuck for the drilling element. A first sensor associated with the drill head senses and generates an output signal representative of a first parameter of the drilling operation. A transmitter wirelessly transmits the signal to a receiver associated with a controller. A roof bolting machine including the drill head and a resin inserter is also disclosed, as are related methods of instrumenting a drill head and drilling using an instrumented drill head.

Abstract: A golf hole cutting device includes an impact portion and a cutting portion. The impact portion preferably takes the form of a portable impact hammer, while the cutting portion includes a cutting head and a shaft having a terminal portion that connects with the portable impact portion. The cutting head includes a cylindrical, hollow main body portion having a first end portion which is adapted to penetrate soil and leads to a second end portion. With this construction, the impact portion is employed to deliver a series of rapid linear impacts to the terminal portion of the shaft to drive the cutting head down into soil of a putting green to form a golf hole.

Abstract: A tool for expanding a hole having a vertical axis in the earth has at least one set of two opposed compactor units constrained to separate and retract in a direction at a right angle to the axis of the hole, and a drive mechanism coupled to the set of compactor units providing force to separate the compactor units, urging the units against a wall or walls of the hole, compacting the earth and enlarging the hole.

Abstract: A drilling or service rig (1) for use in operations on- or offshore, the rig (1) being formed by a derrick structure (3) projecting from a foundation (11) and being arranged to receive a carriage (7), movable along the longitudinal axis of the derrick structure, for a drilling or service device (17), the carriage (7) being arranged to carry out, under the influence of at least one double-acting hydraulic cylinder (9, 15), a relative movement along the longitudinal axis of the derrick structure (3), and at least one of the at least one cylinder being formed by a double-acting, telescopic cylinder (9) which is arranged to exert both a push force and a pull force on the carriage (7), whereby the said carriage (7) is moved respectively away from or towards the foundation (11) of the rig.

Abstract: Housing arrangement 8 for a drill rig, especially adapted for damping sound, said drill rig comprising a feed beam holder 3, a feed beam 4 being movably attached to the feed beam holder 3 and having a drill end 41 and a rear end 42, and a drilling machine 5 being movably attached to and movable along the feed beam 4, said housing arrangement 8 comprising a casing 7, and said feed beam 4. The invention is characterized in that the casing 7 is directly attachable to the feed beam 4, such that the casing 7 and at least a part of the feed beam 4 enclose the drilling machine 5, and allows for mutual movement between the feed beam 4 and the feed beam holder 3.

Abstract: A wellbore drilling system includes a weight on bit controller configured to generate a normalized WOB output, a drilling torque controller configured to generate a normalized TOB output, a differential pressure controller configured to generate a normalized DeltaP output, and a rate of penetration controller configured to multiply a ROP setpoint with the normalized WOB output, the normalized TOB output, and the normalized DeltaP output to generate a ROP output.

Abstract: The rig (10) is provided for electively inserting either coiled tubing or a threaded tubular through a rig floor and into a well. The rig includes a coiled tubing injector (16) supported on a mast (14) when in an operative position to insert coiled tubing into the well, and a top drive (18) movable along an axis of the mast when in an operative position to insert the threaded tubular into the well. The rack or support (20) is secured to the mast for receiving a plurality of substantially vertical threaded tubular joints therein when the mast is in an operative position. Tubular joints may be moved between the top drive and the tubular support when running threaded tubulars into or out of the well.

Abstract: Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft operatively connected to the motor operating system, the shaft having a passageway, and a divert assembly disposed to direct fluid flow selectively to the motor operating system and the passageway in the shaft. In another aspect, methods and apparatus for directionally drilling a casing into the formation are disclosed. Methods and apparatus for measuring the trajectory of a wellbore while directionally drilling a casing into the formation are also described.

Abstract: 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 frame, a downhole tool, and a dual member drill string. The drill string comprises an inner member disposed within a tubular outer member such that the inner member is rotatable independent of the outer member. The outer member has at least one helical projection supported on an exterior surface of the outer member. The projections on the outer member function as an auger to clear spoils and support the bore. The auger arrangement with the dual member drill string can be used in forward reaming or backreaming operations.

Abstract: A drilling machine including a frame, a tower, a rotary head, and a rod handling device. The frame is supported for movement over the ground and the tower is mounted on the frame. The rotary head is movable along the tower and is engageable with the drill string for rotating the drill string. The rod handling device is movable along the tower and operable to selectively support the drill string. The rod handling device is biased to a first position along the tower.

Abstract: A method includes powering a drill motor with power derived from an all terrain vehicle (ATV) engine and controlling the drill motor. An apparatus includes a ATV with a power takeoff configured to deliver power from an ATV engine. A drill mast is moveably coupled to the ATV, a drill motor is configured to turn a drill bit and the drill motor is slidingly disposed on the drill mast. The drill motor is configured to be powered from the power takeoff; and a control is configured to operate the drill motor such that a hole can be drilled by the drill bit.

Abstract: Methods and apparatuses associated with a rotary driven well drilling rig. One method includes providing a rig having: an erectable mast; a head drive unit for rotatably driving drill pipes into a surface; a pumping unit to deliver a fluid through a drill pipe secured to the head drive, the fluid being forced out a bottom end of the drill pipe and up to the surface along the outside of the drill pipe during a borehole drilling operation; and a deck unit pivotally mounted on a turret attached to a set of tracks. This method embodiment includes, while the rig is in a first location, performing a first borehole drilling operation to form a first borehole at a second location; and performing a second borehole drilling operation to form a second borehole at a third location while the rig remains in the first location.

Abstract: An operational system and method and improved apparatus for positioning and stabbing well tubulars wherein: the grasping members of the apparatus can be folded and unfolded; the boom assembly can be pivoted to a downward clearance position; a plurality of stabbing apparatuses can be placed and used in a stacked position in the derrick; the grasping members can opened at an angle with respect the boom; the grasping members can be mounted on either lateral side of the boom; a sensor monitors the relative position of the rig top drive with respect to the stabbing apparatus; the grasping members and/or the boom will automatically pivot to a breakaway position if impacted; and/or the system is programmed and configured to prevent the accidental performance of critical operations out of sequence.

Abstract: A system for wellbore operations, the system, in at least certain aspects, including a derrick, a guide beam connected to the derrick, a top drive movable on the guide beam, torque reaction structure connected to the guide beam and to the derrick, skid apparatus held by the torque reaction structure, the skid apparatus movable vertically with respect to the torque reaction structure to prevent a vertical load from passing from the skid apparatus to the torque reaction structure.

Abstract: In a method for producing and widening ground bores or for the destructive replacement of buried lines with the aid of a tool arranged at the end of a rod driven by a boring device, the rod is built up from individual sections which are to be connected to one another in a machine excavation (staring excavation). In order to allow the use even of rod sections whose length is equal or almost equal to the diameter of the machine excavation, the boring device, prior to the introduction of a new rod section, is displaced, for example inclined, in such a manner that the rod section can be slid into the boring device, for example from outside the excavation, without interference from the rear end, projecting into the machine excavation, of a rod section which has already been introduced into the ground. As soon as the rod section has been slid in, the boring device together with the rod section is moved into a position in which it is aligned with the boring direction or the rod part which is already in the ground.

Abstract: A swivelling device is provided for picking up or backing off a drive string after it has been stuck in a down hole. The device allows the drive string to move longitudinally and rotate. The device has a shaft rotatably mounted in a housing so that the shaft can freely rotate but can not move radially or axially relative to the housing. A frame support is moveably connected to the housing and has an aperture that is attachable to a support system capable of lifting up the drive string. A pair of biasing mechanisms bias the housing towards the frame support. When a downward force is applied to the shaft by the drive string, the housing can be displaced downwards away from the support frame. Once the downward force ceases, the biasing mechanism moves the housing back towards the support frame.

Abstract: A method of automatic drilling of a well with coil tubing or drill pipe tubing utilizes AC motors coupled to variable frequency drives controlled by a programmable logic controller. For example, a coil tube injector is supported in a mast for injecting coil tube from a reel and into a wellbore for drilling the wellbore. The AC motors for the injector are driven for controlling a rate of injection of coil tube by the injector for maintaining at least one drilling parameter such as weight-on-bit, differential mud pressure or rate of penetration. The AC motor for the reel is also controlled for driving the reel and maintaining a relative rate of coil tube supplied from the reel to the injector. Drawworks and a top drive supported by the draworks can also be equipped with AC motors and variable frequency drives for controlling a drilling rate for maintaining at least one of the drilling parameters.

Abstract: The invention relates to a drilling apparatus and a method for introducing a drilling element into the soil comprising a drive, which is supported on a mast for introducing the drilling element, and a collet turning device having a collet which can be turned by means of at least one operating cylinder. In order to improve the torque transmission at least two collet turning devices are provided which can be engaged with the drilling element so as to transmit the torque.

Abstract: The invention relates to an apparatus for moving an Iron Roughneck into position to allow making-up or breaking-out of threaded joints in a drill string. The apparatus may also be used to move other drilling equipment into position on the centerline of the well or at mouse holes. A self-balanced, dual synchronized parallelogram arm is utilized to accomplish the movement of the devices. Hydraulic or pneumatic cylinders are used for extension and retraction of the arm rather than to support the tool. The arm may hold the tool in any position without cylinder assistance. The linkage in the synchronized parallelogram may be accomplished by gears, links, slots, or rollers.

Abstract: A top drive system having a drive motor, a gear system coupled to the drive motor, a drive quill coupled to the gear system, a top drive support system for supporting the drive motor, the gear system, and the drive quill, a lower support apparatus connected to the top drive support system, tubular handling apparatus connected to and below and supported by the lower support apparatus, the tubular handling apparatus including hydraulic-fluid-powered apparatus, provision apparatus connected to the tubular handling apparatus for providing hydraulic fluid to power the hydraulic-fluid-powered apparatus, the provision apparatus including flow line apparatus for providing hydraulic fluid to the hydraulic-fluid-powered apparatus and electrically-operable control apparatus for controlling fluid flow to and from the flow line apparatus, and electrical power generating apparatus connected to the tubular handling apparatus for providing electrical power to the electrically-operable control apparatus.

Abstract: This invention is generally directed towards a system designed to assist the rig operator by alerting him/her that the air pressure is too low to be using the drum clutch, to provide a log for studies on rig operation technique, and to provide a training tool for rig operators. If the pressure on the clutch bladder is above a predetermined range, the clutch is allowed to engage. If the signal is below the range, the clutch is assumed to have not been engaged. If the signal is within the range, the clutch is not allowed to engage and the rig operator is notified of the problem.

Abstract: An containerized top drive system including a container, top drive apparatus removably disposed within the container, an extension system for moving the top drive apparatus generally horizontally within a derrick, the top drive apparatus secured to the extension system, the extension system removably disposed within the container with the top drive apparatus, and the track including at least one track part which is a skid track part, the skid track part including a skid portion and a track portion, the top drive apparatus and the extension system located on the at least one skid track part within the container and the top drive apparatus supported by and movable with the at least one skid track part.

Abstract: A top drive system for wellbore operations including a hollow bore alternating current permanent magnet motor with a motor bore therethrough, a planetary gear system coupled to the motor, the gear system having a gear system bore therethrough, a quill drivingly connected to the planetary gear system and rotatable thereby to rotate a tubular member located below the quill, the motor adjacent the gear system, the motor bore aligned with the gear system bore so that fluid is flowable through the top drive system from the top of the motor to the bottom of the planetary gear system and into and through the quill.

Abstract: The invention relates to an apparatus for moving an Iron Roughneck into position to allow making-up or breaking-out of threaded joints in a drill string. The apparatus may also be used to move other drilling equipment into position on the centerline of the well or at mouse holes. A self-balanced, dual synchronized parallelogram arm is utilized to accomplish the movement of the devices. Hydraulic or pneumatic cylinders are used for extension and retraction of the arm rather than to support the tool. The arm may hold the tool in any position without cylinder assistance. The linkage in the synchronized parallelogram may be accomplished by gears, links, slots, or rollers.

Abstract: The combination workover and drilling rig of the present invention combines a capability to drill a well, as well as perform well maintenance and service, using either or both tubing with threaded tubular connections or coiled tubing. A mast and a coiled tubing injector are independently mounted to a support platform and can be operated independently of each other. The coiled tubing injector is selectably elevatable into a stowed position, a ready position, or an operating position.

Abstract: A blast-hole drilling rig includes a carriage, a mast disposed on the carriage, and a rotary head mounted on the mast for up-and-down movement. The rotary head includes: a housing forming an internal chamber, a hydraulically driven motor, and a rotation transmission mechanism disposed in the chamber. The rotation transmission mechanism includes a gear system having a high-speed power input section operably connected to the motor, and a low-speed power output section adapted for connection to a drill pipe. The rotation transmission mechanism includes an anti-vibrational inertial body forming part of the high-speed power input section for storing rotational energy to even-out rotary speed variations and resist the generation of vibrations during operation. The inertial body includes a downwardly open recess in which the motor casing extends, wherein the motor projects downwardly past a bottom wall of the housing.

Abstract: An apparatus for transporting an injector assembly, such as an injector and a BOP, for coiled tubing to a wellhead may have a platform, such as a trailer, having a shaft attached thereto by at least one bracket. Pivotally on the bracket may be a boom, which may have telescopic sections, and at least one member, which may have a substantially boomerang shape. The member may be attachable to the bracket by an extendable boom fold actuator, and may be attachable to the boom via an extendable boom operating actuator. By selectively extending and contracting the boom fold actuators and the boom operating actuators, the boom may be selectively positioned between a transport mode, a vertical mode, and an operating mode. In this way, one assembly may be used to transport the coiled tubing and the injector assembly for connection to the wellhead, thus minimizing rig-up or set up time.

Abstract: A restraining arrangement for limiting the separation of a feed table having a pivot pin and a positioner block of a mobile track drill. The restraining arrangement includes a first constraint device positioned on the positioner block and a second constraint device secured to the feed table. The first constraint device, consisting of a bushing having a pair of extending ears, is retained within a pair of female constraint members each having a recessed groove. The recessed groove formed in each of the pair of female constraint members is sized to receive the extending ears to allow the bushing and the female constraint members to rotate relative to each other while limiting the separation between the feed table and the positioner block along the rotational axis of the pivot pin.

Abstract: A tong as may be used for a continuous circulation system in a wellbore. The tong has a housing with a hollow interior. A plurality of spaced apart jaw assemblies reside within the housing's hollow interior for engaging a portion of a tubular to be gripped and rotated by the tong. A gear wheel is secured to the housing for rotating the housing and the jaw assemblies. The gear wheel includes a toothed outer circumference for mating with teeth of a drive shaft of a driving motor. A gear flange is movably mounted on the gear wheel such that rotation of the gear wheel does not rotate the gear flange.

Abstract: A conventional land drilling rig is interconnected to the substructure for an oilfield pad location. The interconnected drilling rig is placed on top of matting. The matting has embedded rollers to facilitate movement of the drilling rig as a “convoy” across the mat from one wellhead to another wellhead. The buildings in the mud tank system may also be interconnected and move in a separate convoy but in tandem with the first convoy.

Abstract: The invention is a new drill for making micropiles, equipped with a mast on which the head-carrying trolley slides and having at the bottom of the mast two pairs of vices, a lower fixed vice and a upper unscrewing vice. Besides being able to rotate around the drilling axis, the unscrewing vice is able to move along said mast with respect to the lower fixed vice. The advantages are considerable, since it is no longer necessary to dismantle the rod and the covering during the extraction stages.

Abstract: A transportation, storage and installation device for rig utilities. The device includes a telescoping bridge having an outer frame assembly with an opening therethrough supporting a plurality of cables. The telescoping bridge also includes an inner beam assembly receivable within the outer frame assembly opening supporting a plurality of cables, wherein the inner beam assembly may be extended from or retracted into the opening. The device also includes a utility boom having an elongated post terminating in a rotatable boom base, and a boom pivotally connected to the boom base wherein the pivotal connection has an axis transverse to the post. At least one cylinder moves the boom from a storage position substantially perpendicular to the post to a position wherein the boom is at an obtuse angle to the storage position. The device also includes a service arm supporting a plurality of electrical cables.

Abstract: The present invention generally relates to a method and apparatus for drilling with a top drive system. In one aspect, the present invention provides for a top drive system having a top drive, top drive adapter, and a tubular positioning apparatus. In one aspect, the top drive adapter is pivotably connected to the top drive for pivoting the top drive adapter toward the casing string with respect to the top drive. In another aspect, the system includes a telescopic link system connected to a lower portion of the top drive adapter to move the casing string into engagement with the top drive adapter. In another aspect, the top drive adapter includes a housing operatively connected to the top drive and a plurality of retaining members disposed in the housing for gripping the tubular. In another aspect, the tubular positioning apparatus includes a gripping member for engaging a tubular and a conveying member for positioning the gripping member. A spinner may be provided to rotate the tubular.

Abstract: A system that controls a back reaming operation of a drilling rig is provided that includes a hoisting system that moves a drill pipe during a back reaming operation at a hoisting speed and a hoisting torque. The hoisting system comprises at least one back reaming parameter sensor for measuring a corresponding at least one back reaming parameter. An operator control unit allows an operator to input a predetermined value of the at least one back reaming parameter therein. A back reaming parameter sensor obtains the measured value of the at least one back reaming parameter. A control system monitors the at least one back reaming parameter. A braking assembly resists the hoisting torque of the drawworks system when the measured value of the at least one back reaming parameter equals the predetermined value of the at least one back reaming parameter.

Abstract: A power swivel provides the rotational force to drill consolidated subsurface strata while an unrestricted airflow through the swivel and down a drill string remove cuttings from the borehole. The power swivel is configured to mount on direct push/driven-vibrating equipment, such as a cone penetrometer, to eliminate the need for a conventional drilling rig when a consolidated layer is encountered during direct push/driven-vibrating operations. A drilling nipple and pack-off are provided near the surface to maintain the air flow during drilling and to direct the cuttings to a desired location. Also, a dual-valved air delivery system provides safe, remote-controlled air flow to the swivel.

Abstract: A stakedown assembly for a horizontal directional drill that multiplies the travel of a hydraulic cylinder so that the drive head travels twice the distance of the hydraulic cylinder travel. A gear pinion is pivotally attached to a top end of the hydraulic cylinder. A first gear rack is fixedly attached to a tower, and a second gear rack is fixedly attached to a drive head. The gear pinion floats between the two gear racks, thus, producing multiplication when the hydraulic cylinder is actuated. This allows the use of a shorter hydraulic cylinder and results in a smaller overall stakedown assembly height.

Abstract: A method and apparatus for transporting and assembling a drilling rig is disclosed. The drilling rig of a preferred embodiment of the present invention utilizes specialized positioning pads integral to the side boxes of the drilling rig to facilitate the connection of the center drill floor of the drilling rig to the side boxes of the rig. A preferred embodiment of the present invention may also utilize a specialized positioning dolly and an adjustable fifth-wheel truck connection for transporting the mast to the drill site, assembling the mast sections together, and positioning the mast for connection to the drill floor of the rig. The result is a unique drilling rig design and sequence for assembly that significantly reduces the time required to transport the rig from location to location and to assemble the rig at the drill site.

Abstract: The earth drilling and boring system for drilling bore holes in the earth has a drilling rig with a power source attached to a rotateable pipe container. There is a flexible drill pipe or tubing attached to end retained in the pipe container that has an opening through which an end of the drill pipe or tubing having a drill bit attached may be extended and retrieved. A drive mechanism is positioned adjacent to the opening for receipt and movement of the drill pipe or tubing to be used in boring.

Abstract: In a method for producing and widening ground bores or for the destructive replacement of buried lines with the aid of a tool arranged at the end of a rod driven by a boring device, the rod is built up from individual sections which are to be connected to one another in a machine excavation (staring excavation). In order to allow the use even of rod sections whose length is equal or almost equal to the diameter of the machine excavation, the boring device, prior to the introduction of a new rod section, is displaced, for example inclined, in such a manner that the rod section can be slid into the boring device, for example from outside the excavation, without interference from the rear end, projecting into the machine excavation, of a rod section which has already been introduced into the ground. As soon as the rod section has been slid in, the boring device together with the rod section is moved into a position in which it is aligned with the boring direction or the rod part which is already in the ground.

Abstract: The drilling vehicle comprises a chassis movable over ground, a tool arm, a drilling tool operatively mounted to the tool arm and defining a drilling extremity and a selectively powered tool arm actuator assembly attaching the tool arm to the chassis.