| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 175085000 | WITH ORIENTING OR RACKING MEANS FOR UNCONNECTED TOOLS OR SECTIONS OF SHAFT OR CASING | 18 |
| 20080217067 | Articulated arm assembly - The invention of an articulated arm assembly described here is to carry and position a drilling related apparatus such as power tong, roughneck, drill sting, top drive, casing tong and any other applicable apparatus from the storage position to a working position such as well center or mouse hole. The combination of a parallelogram, a support arm, and a movable guide provides a simple means to move and position a drilling apparatus between a storage position to a desired working position such as a well center and to maintain the drilling apparatus at any desired position. | 09-11-2008 |
| 20080245575 | Tubular running tool and method of using same - An automated tubular running tool for use in drilling systems and the like allows for the picking up, positioning, stabbing and threadedly connecting a tubular segment to a tubular string being held by the rig by a spider. The tool comprises a pivoting arm, which can pickup, position, stab and threadedly connect the tubular segment. The tool further features an integral elevator, which then lowers the piping string tubing string into the well bore. This tubular running tool allows for the connection of tubular segments to a tubular string without the need of personnel. | 10-09-2008 |
| 20090038857 | Apparatus for stabbing pipe when using an iron roughneck - Drilling apparatus for receiving, moving and aligning pipe sections as they are added to a string of pipe on a drilling rig when using an iron roughneck. After the iron roughneck is moved to well centerline and engaged with the box connection of the pipe suspended in the well bore, a hydraulically controlled pipe engagement mechanism is extended radially away from the iron roughneck and in the general direction of the pipe rack. Said pipe engaging mechanism receives the lower end of the next stand of pipe to be added and is the hydraulically retracted to lock around said pipe stand and bring said pipe stand into alignment with the pipe string suspended in the well bore. | 02-12-2009 |
| 20090057019 | GRAPPLE ATTACHMENT FOR USE WITH DRILL PIPES - A grapple attachment for use with a drill pipe having a diameter, that may include first and second gripping members disposed on a rigid lateral member tiltable up to 40 degrees from the horizontal and preferably continuously rotatable, wherein each of the first and second gripping members has a first and second claw and a bracket having a concave contact surface, each claw having a concave gripping surface, wherein the surface of the bracket and the gripping surfaces of the first and second claws come in contact with the drill pipe when the gripping member is in the closed position. | 03-05-2009 |
| 20090127001 | PIPEHANDLER - A pipe handling system is disclosed with an elongated base that is dimensioned to receive and support a movable tray in a position parallel to the base with at least two degrees of freedom of movement. The movable tray is also dimensioned to receive at least one section of pipe, and one end of the movable tray is separable from the base with a pipe positioner slidably disposed in the movable tray for transporting pipe and with a loader disposed adjacent to the movable tray that receives and feeds a section of pipe into the tray. The pipe handling system may include a movable tray having at least three degrees of freedom of movement The pipe handling system may include loaders that are extendable from the base. | 05-21-2009 |
| 20090166090 | Top Drive Drilling Apparatus - A well drilling apparatus ( | 07-02-2009 |
| 20090200086 | Subsoil automatic rotary drilling system for drilling oil, mineral and water wells - A subsoil automatic rotary drilling system for drilling oil, mineral and water wells, characterized in that said system comprises, on a single system substructure, at least a triple-transmission hydraulic arrangement for lowering and raising a plurality of pipe elements to be introduced into and removed from a wellbore, said arrangement including a plurality of operating cables, each said cable having a dead end fixed to a cylinder carriage also supporting a plurality of transmission pulleys to handle together, while providing a triple stroke of pulling and pushing cylinders, two, three, four drilling pipe elements, having each a length of about 9.20 m (range 2). | 08-13-2009 |
| 20100032213 | APPARATUS AND METHOD FOR PRE-LOADING OF A MAIN ROTATING STRUCTURAL MEMBER - A apparatus for a pipe handling apparatus has a main rotating structural member rotating about a pivot axis relative to a skid and moving from a first position to a second position. A tensioning mechanism is affixed to the main rotating structural member. The tensioning mechanism applies a tension to the main rotating structural member when the main rotating structural member is in the second position. The tensioning mechanism has a first cable having an end attached adjacent a top of the main rotating structural member, and a second cable having an end attached adjacent the top of the main rotating structural member. The first and second cables have opposite ends attached to a fixed surface. The first and second cables extend angularly outwardly from a front of the main rotating structural member. The first and second cable extend angularly outwardly from the sides of the main rotating structural member. | 02-11-2010 |
| 20100071958 | Blast Hole Drill Bit Carousel And A Blast Hole Drill Including A Blast Hole Drill Bit Carousel - A drill bit carousel for use on a blast hole drill includes a base structure that movably supports a plurality of drill receptacles. The drill bit carousel is movable between a storage position and at least one exchange position. In the exchange position, one of the drill receptacles is aligned with a centerline of a drill pipe string. In the storage position, the drill bit carousel is clear of the centerline of the drill pipe string. | 03-25-2010 |
| 20100270082 | ROTARY BLASTHOLE DRILLING RIG FLEXIBLE JAW PIPE POSITIONER - A pipe positioner having an arm including a lower jaw and an upper jaw mounted thereon is provided. The pipe positioner includes at least one of the lower jaw and the upper jaw with at least one shear pin disposed in location to provide protection of the pipe positioner from mechanical overload. A method for retrofit of a pipe positioner and a blasthole drilling rig are disclosed. | 10-28-2010 |
| 20110232971 | AUTOMATED CAROUSEL DRILL PIPE STORING AND HANDLING SYSTEM AND METHOD - A portable drilling rig including a carousel housing several drill pipe sections used in drilling oil, gas, or other wells into the earth. The carousel indexes the drill pipe sections as a mast raises and lowers a kelly, rotated by a top head. The kelly temporarily attaches to a stored drill pipe section and lowers it into the earth where the drill pipe section is connected to an existing drill string. This entire process is automated so that no human interaction with the actual drill pipe section is necessary. The entire carousel rig may be loaded onto a truck bed or other transportation device to be delivered to a site where drilling is to occur. | 09-29-2011 |
| 20110247880 | ALIGNMENT ASSEMBLY, DRILLING SYSTEMS AND METHODS - An alignment assembly includes a shaft, a first gripper coupled to the shaft, and a second gripper coupled to the shaft. The first gripper includes a fixed gripper body and a first rotating gripper body rotatingly coupled to the fixed gripper body. The second gripper may include a second rotating gripper body and a third rotating gripper body. An axis pivot rotatingly couples the second rotating gripper body and the third rotating gripper body. | 10-13-2011 |
| 20110297445 | TOP DRIVE - A method and apparatus for manipulating and deploying lengths of pipe when drilling wells is provided. The apparatus has a motor assembly with a rotor shaft coupled to a drive gear, and a torque assembly with a planetary gear set coupled to the drive gear of the motor and an annular gear. Planet gears are coupled to a torque converter, which is coupled to a stub for connecting to pipe joints. The torque converter has inclined surfaces for circulating lubricant through the gear assembly, and the planet gears have openings in registration with the inclined surfaces. A drilling fluid pipe is disposed through the rotor shaft of the motor assembly, and is coupled to the torque converter. Lead-screw linear actuators position an elevator, which hangs from links hooked to the apparatus, to manipulate the drill string, and a self-locking pipe jaw handles pipe joints. | 12-08-2011 |
| 20130240269 | LATCHING ROD BOX - A drilling machine including a chassis and a primary rod box mounted on the chassis, which includes a rod box interface mechanism positioned adjacent a top of the primary rod box for facilitating interfacing the primary rod box with a supplemental rod box is provided. Another aspect of the present disclosure relates to a rod box interface mechanism that automatically secures a rod box to a drilling machine as the rod box is lowered in place on the drilling machine. The rod box interface mechanism can in some embodiments be used to secure a supplemental rod box to a top of a primary rod box that is attached to a chassis of the drilling machine and can be used to secure a rod box directly to the chassis of the drilling machine. A further aspect of the present disclosure relates to self-aligning features intended to guide a rod box into place on a drilling machine as the rod box is lowered onto the drilling machine. | 09-19-2013 |
| 20130306378 | ROD SUPPORT SYSTEM - A rod support system has an upper gripper assembly and a lower gripper assembly. Each gripper assembly has a top plate having a first track. The first track has a first substantially arcuate portion having a first radius of curvature and a second substantially arcuate portion having a second and smaller radius of curvature. A jaw is constrained to move in a path defined by the first track. A bottom plate of the assembly has a second track that is congruent with the first track also engaging the jaw, so that the jaw is constrained to move in a path defined by the first track and the second track in cooperation. The jaws can support a rod when the jaws move from a position along the first arcuate portion of the first and second tracks to a position along the second arcuate portion of the first and second tracks. | 11-21-2013 |
| 20140054089 | Auxiliary Arm for Drilling Equipment - An auxiliary arm for drilling equipment ( | 02-27-2014 |
| 20170234086 | MECHANISM FOR RETAINING BITS ON A BLASTHOLE DRILL | 08-17-2017 |
| 20170234087 | BIT CHANGE MECHANISM FOR A DRILL RIG | 08-17-2017 |
