| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 175057000 |
PROCESSES
| 1087 |
| 175327000 |
BIT OR BIT ELEMENT
| 1050 |
| 175040000 |
WITH SIGNALING, INDICATING, TESTING OR MEASURING
| 673 |
| 175024000 |
AUTOMATIC CONTROL
| 344 |
| 175320000 |
WITH TOOL SHAFT DETAIL
| 127 |
| 175092000 |
WITH BELOW-GROUND TOOL DRIVE PRIME MOVER
| 104 |
| 175073000 |
MEANS TRAVELING WITH TOOL TO CONSTRAIN TOOL TO BORE ALONG CURVED PATH
| 76 |
| 175002000 |
BORING WITH EXPLOSION IN INACCESSIBLE HOLE
| 74 |
| 175005000 |
BORING A SUBMERGED FORMATION
| 73 |
| 175293000 |
BELOW-GROUND (1) HAMMER, OR (2) IMPACT MEMBERS
| 59 |
| 175011000 |
BORING BY DIRECTLY APPLYING HEAT TO FLUIDIZE OR COMMINUTE
| 57 |
| 175263000 |
CUTTER ELEMENT LATERALLY SHIFTABLE BELOW GROUND (E.G., EXPANSIBLE)
| 53 |
| 175170000 |
WITH TOOL DRIVE PRIME MOVER OR ABOVE-GROUND MECHANICAL MOTION CONVERTING DRIVE MEANS
| 46 |
| 175056000 |
NATURAL VIBRATION CHARACTERISTIC OF AN ELEMENT OF BORING MEANS RELATED (1) TO NATURAL VIBRATION CHARACTERISTIC OF ANOTHER ELEMENT, OR (2) TO FREQUENCY OF AN IMPOSED MOTION
| 43 |
| 175052000 |
WITH MAGAZINE FOR SUCCESSIVELY MOVING UNCONNECTED, ORIENTED TOOL OR SHAFT SECTIONS TO USE POSITION
| 42 |
| 175207000 |
WITH ABOVE-GROUND MEANS FOR HANDLING DRILLING FLUID OR CUTTING
| 40 |
| 175017000 |
WITH HEATING OR COOLING (1) WITHIN THE BORE, OR (2) DRILLING FLUID
| 31 |
| 175019000 |
BORING WITHOUT EARTH REMOVAL (I.E., COMPACTING EARTH FORMATION)
| 28 |
| 175244000 |
WITH MEANS MOVABLE RELATIVE TO TOOL TO RECEIVE, RETAIN, OR SEVER UNDISTURBED CORE
| 26 |
| 175055000 |
TOOL ACTUATION BY REACTION OF ROTATING ECCENTRIC MASS
| 18 |
| 175085000 |
WITH ORIENTING OR RACKING MEANS FOR UNCONNECTED TOOLS OR SECTIONS OF SHAFT OR CASING
| 18 |
| 175039000 |
WITH BIT WEAR SIGNAL GENERATING
| 15 |
| 175220000 |
WITH ABOVE-GROUND GUIDE FOR RELATIVELY ADVANCING TOOL
| 14 |
| 175122000 |
WITH MEANS TO FEED DRIVE
| 14 |
| 175053000 |
ENLARGEMENT OF EXISTING PILOT THROUGHBORE REQUIRING ACCESSIBILITY TO EXISTING OPPOSITE BORE ENDS TO INSERT AND REMOVE TOOL
| 14 |
| 175227000 |
WITH STORAGE MEANS FOR BIT LUBRICANT CARRIED BY BIT OR SHAFT
| 14 |
| 175315000 |
COMBINED
| 13 |
| 175162000 |
WITH ABOVE-GROUND MEANS TO FEED TOOL
| 12 |
| 175317000 |
WITH MEANS MOVABLE RELATIVE TO TOOL OR SHAFT TO CONTROL BELOW-GROUND PASSAGE
| 12 |
| 175113000 |
WITH MEANS TO SIMULTANEOUSLY FEED AND ROTATE TOOL FROM A SINGLE MECHANICAL ELEMENT
| 10 |
| 175054000 |
BORING BY BELOW GROUND RECIRCULATION OF UNSUPPORTED ELEMENTS (E.G., SHOT)
| 10 |
| 175051000 |
WITH SELF-ACTING CYCLIC ADVANCE AND RETRACTION OF TOOL OR TOOL SHAFT
| 9 |
| 175424000 |
MISCELLANEOUS (E.G., EARTH-BORING NOZZLE)
| 9 |
| 175206000 |
WITH ABOVE-GROUND MEANS FOR PREPARING OR SEPARATING DRILLING FLUID CONSTITUENTS
| 9 |
| 175203000 |
WITH ABOVE-GROUND MEANS TO ADVANCE OR RETRACT BORING MEANS
| 8 |
| 175232000 |
WITH MEANS MOVABLE RELATIVE TO TOOL BELOW GROUND TO STOP FLOW TOWARD BORE BOTTOM
| 7 |
| 175230000 |
WITH EXPANSIBLE BORE WALL ANCHOR (E.G., PACKER)
| 7 |
| 175219000 |
WITH PARTICULAR ACCOMMODATION FOR PERSONNEL (E.G., SEAT OR PROTECTOR)
| 6 |
| 175078000 |
MEANS CARRIED BY HOUSING INSERTABLE IN INACCESSIBLE HOLE TO ADVANCE SIDE WALL TOOL LATERALLY
| 6 |
| 175018000 |
ICE BORING
| 6 |
| 175423000 |
WEDGING SLIP ASSEMBLY FOR SUPPORTING A PIPE OR ROD | 5 |
| 20090057032 | Segmented Bottom Guide for String Elevator Assembly - The present invention is directed to a segmented bottom guide for directing the top of a tubular member into and through a bore in the bottom of a tapered bowl so that the tubular member can be engaged by pipe slips. One embodiment of the segmented bottom guide of the present invention comprises a bottom guide retainer having a plurality of chambers for being disposed intermediate the top of a bell guide and the bottom of the tapered bowl. The bottom guide segments are radially received into, and securable in, the retainer to therein and together form a generally conical frustum generally aligned with and intermediate the top of the bell guide and the opening of the tapered bowl. | 03-05-2009 |
| 20100116558 | Method of Running a Pipe String Having an Outer Diameter Transition - One embodiment provides an adjustable guide | 05-13-2010 |
| 20110094802 | SLIP DEVICE FOR SUSPENDING A DRILL OR CASING STRING IN A DRILL FLOOR - Clamping die ( | 04-28-2011 |
| 20110114391 | GRIP HEAD FOR AN EARTH BORING UNIT - The invention relates to a grip head for an earth boring unit, comprising a hollow shaft ( | 05-19-2011 |
| 20140262538 | MULTI-SLIP PIPE GRIPPING ASSEMBLY - A slip assembly for gripping against the external surface of a section of pipe or other tubular goods and supporting axial loading has multiple sets of cooperating wedge-like slip members movably mounted within a slip bowl. A first set of slip members having a smaller taper angle (that is, having a greater vertical component) exerts a predetermined and limited radial gripping force on the pipe or other tubular good. Thereafter, a second set of slip members having a larger taper angle (that is, having a lesser vertical component) takes over and exerts additional radial gripping force on the pipe or other tubular good. | 09-18-2014 |
| 175084000 |
WITH ABOVE-GROUND CLEANER FOR BORING MEANS | 5 |
| 20090178853 | Mobile soil sampling device with vacuum collector - A mobile soil sampling device is mounted on the side of a vehicle such as an ATV or UTV and includes an upstanding frame member which is vertically movable with respect to the vehicle by means of a parallel arm linkage and actuator. A vertically disposed and rotatable auger is mounted on the frame member and is moved upwardly and downwardly with respect thereto through the use of a motor and pinion gear with the pinion gear engaging a gear rack on the frame member. The auger is rotated so as to dig into the ground to the desired depth with the soil sample being conveyed upwardly into a vacuum collection chamber with the soil sample being conveyed to a vacuum chamber mounted on the vehicle. A sample collection device is mounted beneath the vacuum chamber for receiving the desired soil samples. An auger flute cleaning apparatus is mounted on the device to remove soil from the flutes of the auger as the auger is raised from a soil penetration position. The soil removed from the auger by the flute cleaning apparatus drops downwardly into the collection chamber. | 07-16-2009 |
| 20130126244 | BALL AND SOCKET ROLLER REAMER AND KEYSEAT WIPER - Exemplary drill tools for placement in a drill string may include a body; a plurality of reamer cutters; and a plurality of ball and socket connectors configured to attach the plurality of reamer cutters to the body. Each of the plurality of reamer cutters may be replaceable by removing at least one of the plurality of ball and socket connectors from the reamer body. Each of the ball and socket connectors may be attached to the reamer body with bolts. Each of the ball and socket connectors may include titanium dioxide and/or titanium carbide coatings where the connectors interface with the reamer cutters. | 05-23-2013 |
| 20130153302 | APPARATUS TO WIPE A TUBULAR MEMBER - The present disclosure relates to an apparatus and method to wipe a tubular member. The apparatus includes a first wiper section and a second wiper section, in which the first wiper section and the second wiper section are movable with respect to each other towards a point of convergence. The apparatus may further include a base having an aperture formed therein to receive the tubular member such that the first wiper section and the second wiper section are connected to the base and movable with respect to the base between an open position and a closed position. | 06-20-2013 |
| 20130153303 | APPARATUS AND METHOD TO CLEAN A TUBULAR MEMBER - A system to clean a tubular member includes an apparatus to support a tubular member having a bore with a longitudinal axis extending therethrough, and a fluid dispensing system disposed adjacent to an opening of the apparatus, the fluid dispensing system having a nozzle to dispense fluid therefrom. | 06-20-2013 |
| 20140338983 | AIR-DRIVEN DEGASSER ASSEMBLY - Degasser assemblies, systems and methods, including an air-driven degasser assembly that includes a degasser having a drive shaft with a seal that inhibits intrusion of ambient air and an air motor having a motor shaft that drives the drive shaft. The motor shaft is distinct from or integral to the drive shaft, and the air motor is positioned to direct air leakage around the motor shaft away from the seal. | 11-20-2014 |
| 175089000 |
TOOL ELEMENT OR CONTINUOUSLY DRIVEN FLEXIBLE OR ARTICULATED ENDLESS MEMBER | 4 |
| 20100319998 | WELLBORE CONSOLIDATING TOOL FOR ROTARY DRILLING APPLICATION - A subpart of a drill string is described having an outer circumferential surface which is contoured and adapted to engage the wall of the borehole with a small angle of attack while exerting during rotary drilling operations an compacting pressure on mud cake and/or cuttings present in the annulus between the drill string and the borehole. | 12-23-2010 |
| 20090084605 | INDEXING FOR COILED TUBING DRILLING RIG - The invention provides a coiled tube drilling rig ( | 04-02-2009 |
| 20100078220 | DRILLING AND OPENING RESERVOIRS USING AN ORIENTED FISSURE - A system and method for increasing hydrocarbon production from a subsurface reservoir and/or sequestering waste material such as carbon dioxide by utilizing a connection between two well bores and a flexible linear cutting device, such as a segmented diamond wire saw, to form a fissure beginning at the connection of the well bores and extending along a specified the length of the well bores. Methods and systems relate to hydrocarbon production and/or waste sequestration, including for extracting or recovering oil or gas from coal beds or tar sands. | 04-01-2010 |
| 20120305318 | FORMING ORIENTED FISSURES IN A SUBTERRANEAN TARGET ZONE - A system for forming a subterranean oriented fissure in a target zone by utilizing a connection between two well bores and a flexible linear cutting device, such as a segmented diamond wire saw, to form the fissure beginning at the connection of the well bores and extending along a specified the length of the well bores. | 12-06-2012 |
| 175001000 |
WITH SEISMIC SHOCK GENERATING | 3 |
| 20080217057 | Method for taking seismic measurements - In one aspect of the present invention a method has steps for taking downhole measurements. A network integrated into a downhole tool string in a well bore may be in communication with a downhole sensor, the downhole sensor having a downhole clock that may be in communication over the network with and synchronized with a top-hole clock source. A signal source may be within a transmitting distance of the downhole sensor and may be activated. The downhole sensor records signals from the signal source at a recorded time when the network is disconnected from the top-hole clock source. When the network is reconnected, the downhole clock and the top-hole clock source are re-synchronized. The clock drift that occurred during the disconnection may be calculated. The recorded time may be adjusted to reflect what it would have been if the downhole clock had been synchronized with the top-hole clock source. | 09-11-2008 |
| 20110132662 | PHASE WELLBORE STEERING - A method of steering a drilling operation of a well using acoustic measurements. The method includes obtaining, using a central processing unit (CPU), a clean-wet matrix line for the well, where the clean-wet matrix line includes a number of normal compressional values, obtaining, using the CPU, the acoustic measurements from at least one logging while drilling tool at a current depth of the drilling operation, where the acoustic measurements include a compressional to shear velocity ratio and a delta-T compressional measurement, and determining, using the CPU, a current phase of the drilling operation by comparing the acoustic measurements to the clean-wet matrix line. The method further includes, in response to determining that the current phase is not a target phase, generating an updated well trajectory for steering the drilling operation toward the target phase and adjusting the drilling operation using the updated well trajectory. | 06-09-2011 |
| 20130081874 | Electro-Hydraulic Drilling With Shock Wave Reflection - Shock waves produced during electro-hydraulic drilling can be reflected into a rock body where the reflected shock waves are converted from compression waves to tension waves, which are more efficient at breaking down the rock body. A system configured for electro-hydraulic drilling where shock waves produced during drilling are reflected into the rock body includes two electrodes and a shock wave reflector disposed at an electro-hydraulic drill head. The two electrodes are configured to (1) facilitate formation of a spark along a spark path spanning the two electrodes and (2) facilitate a pulse of electricity being passed through the spark to form a primary shock wave emanating from the spark path. The shock wave reflector is configured to reflect a portion of the primary shock wave such that the reflected shock wave is concentrated to a focal region within the rock body. | 04-04-2013 |
| 175079000 |
TOOL SHAFT ADVANCED RELATIVE TO GUIDE INSERTABLE IN INACCESSIBLE HOLE TO CHANGE DIRECTION OF ADVANCE | 3 |
| 20120145463 | METHODS AND APPARATUS FOR DRILLING, COMPLETING AND CONFIGURING U-TUBE BOREHOLES - A borehole network including first and second end surface locations and at least one intermediate surface location interconnected by a subterranean path, and a method for connecting a subterranean path between a first borehole including a directional section and a second borehole including a directional section. A directional drilling component is drilled in at least one of the directional sections to obtain a required proximity between the first and second boreholes. An intersecting component is drilled, utilizing magnetic ranging techniques, from one directional section to provide a borehole intersection between the first and second boreholes, thereby connecting the subterranean path. | 06-14-2012 |
| 20120241221 | MICROTUNNELLING SYSTEM AND APPARATUS - A microtunnelling apparatus and system that includes an external drive system having rotational and linear thrust drive means, a drill head section having drill rotor and drill rod and connecting to intermediate drill rods allowing extension of the boring hole created by the drill head section driven by the drive system. The drill head includes a modular construction having a plurality of circular disc like elements, a bearing module, a steering module, a spacer module, and a mounting module, for axial alignment and abutment and mounting within a cylindrical steering shell. Directional steering of the drill head includes a plurality of substantially radially extending channels in steering module, each with an hydraulically movable protuberance movable by control means to redirect the outer steering casing and thereby redirect the drill head section mounted on the distal end of the drill rods. | 09-27-2012 |
| 20150322718 | POWER SECTION AND BEARING SECTION OF DOWNHOLE MOTOR - A motor assembly includes a power section extending between a first end and a second end. A bearing assembly section is disposed downhole from the second end of the power section. The outer diameter of the power section is smaller than an outer diameter of the bearing assembly section. | 11-12-2015 |
| 175087000 |
CONVERTIBLE | 3 |
| 20110147090 | MULTI-FUNCTIONAL MACHINE ADAPTABLE FOR DRILLING, BORING AND LIFTING - A multi-function machine for drilling, boring, driving and lifting comprising a translation system ( | 06-23-2011 |
| 20130000985 | RECONFIGURABLE DOWNHOLE ARTICLE - A reconfigurable downhole article is disclosed. The article comprises a base material. The article also comprises a removable material disposed on or within the base material that is configured for removal from the base material in response to a wellbore condition, wherein the base material and the removable material define a base article that is configured to perform a first function, and wherein upon removal of the removable material, the base material defines a modified article that is configured to perform a second function that is different than the first function. | 01-03-2013 |
| 20140367173 | DRILL BIT ASSEMBLY FOR A DIRECTIONAL PERCUSSION BORING SYSTEM - The present disclosure describes various embodiments, as well as features and aspects thereof, of an improved drill bit assembly for a percussion boring system. More specifically, one non-limiting embodiment of an improved drill bit assembly for a percussion boring system comprises a bit and a product engagement member. The bit comprises a slant faced head and at least one exhaust port. The product engagement member comprises a product coupling portion and at least one fluid restriction portion. This improved drill bit assembly is such that, when the product engagement member is detachably engaged with the slant faced head of the bit, a first portion of the fluid stream expelled from the bit is directed substantially forward of the slant faced head and a second portion of the fluid stream is directed substantially rearward from the slant faced head. | 12-18-2014 |
| 175308000 |
WITH RECEPTACLE | 2 |
| 20090173545 | AIR FILTRATION FOR ROCK DRILLING - A downhole tool to separate liquid from a drilling fluid includes a multi-vein cyclonic separator disposed within a housing, the cyclonic separator including at least two veins extending in a spiral along the length of the cyclonic separator, holes in the housing positioned adjacent to edges of veins of the cyclonic separator to allow liquid accelerated from the drilling fluid to exit the housing, and wherein the cyclonic separator is configured to provide high centrifugal forces to the drilling fluid downhole. | 07-09-2009 |
| 20140374167 | ELECTRONICS FRAME WITH SHAPE MEMORY SEAL ELEMENTS - An electronics frame for a wired pipe drill string, including a housing arranged to be disposed within the wired pipe drill string. The housing includes a chamber formed therein and one or more electronic components disposed in the chamber. A shape memory element is disposed in the chamber. The shape memory element is transitionable in response to a transition stimulus between a first shape permitting positioning within the chamber and a second shape sealingly engagable with the housing to isolate the one or more electronic components from fluid. A method of isolating an electronic component is also included. | 12-25-2014 |
| 175088000 |
WITH MEANS CARRYING CUTTINGS LATERALLY OF BORE AXIS COMPRISING (1) CHUTE, (2) CONVEYER, OR (3) VEHICLE | 2 |
| 20110198130 | ARTICULATED PRE-SKIMMER MOUNT - An articulated pre-skimmer mount for a pre-skimmer associated with a drill bit feed unit comprises a feed mounting arm mounted to the drill bit feed unit. A first end is configured for attachment to the drill feed unit and a second end includes a cylindrical mounting shaft and an axial positioning plate. An intermediate arm has a first end comprising a cylindrical sleeve mounted thereto. The cylindrical sleeve has an inner cylindrical opening configured for sliding engagement with the cylindrical mounting shaft and a mating plate configured for locking, face-to-face engagement with the axial positioning plate. A second end comprises a pre-skimmer mounting assembly configured for attachment to the pre-skimmer, wherein an axial positioning plate and a mating plate are operable to disengage, for rotation of the intermediate arm about an axis of the feed mounting arm for alignment of the pre-skimmer. | 08-18-2011 |
| 20140238751 | AUXILIARY EQUIPMENT FOR USE WITH DRILLING APPARATUS - An auxiliary working apparatus configured for use with a drilling apparatus including a platform which is supported above ground and a drill pipe which extends through a hole in the platform to be displaced into the ground for drilling a hole in the ground. The drill pipe is of a type having a central passage along which pressurized air is blown. The apparatus is mounted to an underside of the platform by means of an auxiliary support structure which includes a hub, a number of vanes mounted to the hub and a hydraulic motor for driving the hub. The vanes are in the form of flexible rubber flaps which are circumferentially spaced and extend radially outwardly from the hub. The vanes revolve around the drill pipe so as to displace chippings which are blown from the hole during a drilling operation, outwardly away from the drill pipe to form an annular mound around and spaced from the hole. | 08-28-2014 |
| 175257000 |
TOOL REMOVABLE OR INSERTABLE THROUGH OR AROUND DRIVING OR DRIVEN SHAFT OR CASING | 2 |
| 20090288886 | Retrieval Tool With Slips for Retrieving Bottom Hole Assembly During Casing While Drilling Operations - A casing-while-drilling bottom hole assembly is releasably connected with a casing string. A retrieval tool is run into the casing string and latched to the bottom hole assembly. Slips are mounted to the retrieval tool, the slips being retracted during running in. Differential pressure moves the retrieval tool and bottom hole assembly upward, and the slips engage the casing string to prevent downward movement if the pressure differential drops too low. A flow passage extends through the retrieval tool and the bottom hole assembly. A check valve in the retrieval tool allows downward flow through the flow passage but prevents upward flow, so that fluid may be circulated through the retrieval tool and bottom hole assembly while suspended with the slips. | 11-26-2009 |
| 20110203852 | Segmented Downhole Tool - A downhole tool includes a plurality of segments positioned on a core member. This construction is particularly suitable for sleeves, stabilizers and drill bit gage pads used in the formation of oil and gas wells. Worn or damaged segments can be replaced without the need for replacing the entire unit. The segments may include spiral vanes for directed fluid upwardly to the well head. | 08-25-2011 |
| 175202000 |
ABOVE-GROUND MEANS FOR RELATIVELY MOVING BELOW-GROUND TOOL ELEMENTS | 2 |
| 20110253455 | PERMANENT MAGNET DIRECT DRIVE TOP DRIVE - A drive system ( | 10-20-2011 |
| 20160145947 | DRILLING RIG SYSTEM HAVING IMPROVED ELECTRICAL SUBSYSTEM - In embodiments a drilling rig system includes a rig unit having rig equipment and a rig electrical subsystem configured for electrical communication with the rig equipment and including a rig electrical subsystem input transformer, an electrical system including a primary power supply subsystem remote from the rig unit, and an intermediate electrical subsystem. | 05-26-2016 |
| 175314000 |
WITH WELL-TYPE SCREEN | 1 |
| 20100236833 | Displaceable Plug in a Tool String Filter - A filter for a drill string comprises a perforated receptacle having an upper end and a lower end. The upper end of the filter comprises a drilling mud intake, and the lower end of the filter comprises an opening. A displaceable plug is seated on the opening at the lower end. | 09-23-2010 |
| 175316000 |
WITH RELATIVELY MOVABLE PARTS TO FACILITATE CLEANING WITHOUT DISASSEMBLY | 1 |
| 20090283330 | Downhole Material Retention Apparatus - A debris removal device features structural support from an exterior housing that allows more space for debris collection. The debris enters the collection volume from the top to eliminate debris from having to go through a valve. The screen in the device is disposed internally to protect it during handling and running. A variety of external flow diverters are used to direct debris laden fluid into the tool and to keep debris out of an annular space around the tool that could interfere with its removal. The diverters can be actuated by relative movement in the tool or applied pressure to a piston which can inflate a sleeve or orient or misalign paths through brushes for selective bypassing of fluid exterior to the tool. | 11-19-2009 |
| 175161000 |
WITH ABOVE-GROUND MEANS TO MOVE TOOL TO A DUMPING LOCATION OFFSET FROM BORE | 1 |
| 20160251899 | AXIALLY SEPARATING DRILL BUCKET | 09-01-2016 |
| 175108000 |
COMMON DRIVE OR ADVANCING MEANS FOR CONCURRENTLY BORING ALONG LATERALLY SPACED AXES | 1 |
| 20120125691 | Modular drilling system - A modular drilling system including a plurality of different size drill bits which can be interchangeably mounted on a common tapered male connecting portion of a drill rod assembly. The tapered male connecting portion may be formed directly onto a tapered drill rod of the assembly or may be formed on an adapter which is threaded onto a threaded drill rod of the assembly. Each bit includes a female connecting portion having a generally cylindrical tapered surface mating with a corresponding tapered surface of the male connecting portion and at least three planar sections adapted to provide positive engagement with corresponding planar sections of the male connecting portion. | 05-24-2012 |
| 175091000 |
BORING MEANS INCLUDING A CONTINUOUSLY ROTATING BIT DESCRIBING A NONCIRCULAR CROSS-SECTIONAL BORE | 1 |
| 20090090560 | Hole Boring Tool - The invention is related to a hole boring tool having a cylindrical sleeve, a piston assembly and the seal located on the piston assembly. The piston assembly is formed of a piston, a neck extending backward from the piston, and a handle extending backward from the neck. The seal is located on an outer surface of the piston and is in contact with an inner surface of the cylindrical sleeve. | 04-09-2009 |
