| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 175207000 | WITH ABOVE-GROUND MEANS FOR HANDLING DRILLING FLUID OR CUTTING | 40 |
| 20090218145 | METHOD AND APPARATUS FOR REMOVING METAL CUTTINGS FROM AN OIL WELL DRILLING MUD STREAM - An improved method and apparatus for removing metal cuttings from an oil well drilling mud stream provides a magnetic body or “ditch magnet” having end plates that extend radially and circumferentially from the magnetic body, the plates being positioned at end portions of the magnetic body. A third plate in the form of a wiper is used to dislodge metal cuttings and other metallic material from the magnetic body after the magnetic body has accumulated such metallic parts. One of the end plates can be removable to facilitate a complete scraping or wiping of the metallic parts from the metallic body by the wiper plate. | 09-03-2009 |
| 20090308660 | AUXILIARY EQUIPMENT FOR USE WITH DRILLING APPARATUS - The invention relates to auxiliary working apparatus ( | 12-17-2009 |
| 20110266065 | DEVICE FOR THE QUANTITATIVE ANALYSIS OF DEBRIS - A device for the quantitative analysis of debris preferably produced while drilling, comprising means for the progressive collection of debris, means for the progressive weighing of collected debris, means for unloading the same preferably in a discharge channel, and a support structure for the device wherein said means for the collection of the debris comprise a collection tray which is capable of performing two types of movement: a rotation movement around an axis which allows alternate loading and unloading of debris and a backward movement which is simultaneous with the rotation movement, thereby allowing for a decisive reduction in the overall vertical dimension of the structure. | 11-03-2011 |
| 20150041220 | PLURAL INPUT MUD-COLLECTING MANIFOLD - A manifold directs the flow of drilling mud from a drilling rig. A longitudinal tubular body has a first end and a second end, such that the longitudinal tubular body is supported by at least two supports of a platform. The platform can support a monorail that is parallel to the longitudinal tubular body, so that it is five feet of the longitudinal tubular body. The longitudinal tubular body can have at least three side directed input ports so that the ports are adapted to receive a mud pipe for attachment. Each of the three side-directed input ports can face substantially towards and above the monorail to provide unobstructed lateral attachment of a mud pipe to the longitudinal tubular body. | 02-12-2015 |
| 20160177642 | MUD CONTAINMENT APPARATUS HAVING PNEUMATIC SEALS | 06-23-2016 |
| 20160194926 | PASSIVE PRESSURE AND LOAD BALANCING BEARING | 07-07-2016 |
| 175209000 | Fluid or cuttings directing or receiving means engaging bore entrance | 7 |
| 20080283302 | Water Collecting Device for Core Drilling Device - The invention relates to a water collecting device ( | 11-20-2008 |
| 20100038143 | Drill cuttings treatment systems - A thermal treatment system for receiving liquid from drill cuttings material in which a metering screw system feeds material to a vessel of a thermal reactor. 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). | 02-18-2010 |
| 20100059282 | BORING HEAD WITH NEW PROTECTION HOOD - The invention is a new boring head (T) for boring machines, with couplings or drive units (T | 03-11-2010 |
| 20120024607 | Dust Collecting Device For A Roof Tool - A dust collecting device disposed circumferentially around a roof tool and in association with a roof drill bit and slidable thereon for collecting and removing dust generated during a dry drilling operation. The dust collecting device comprises a cylinder member, a bushing, and a mounting assembly comprising a top washer, a rubber insert, and a bottom washer. Another aspect of the invention provides a dust collecting device comprising a cylinder member, a bushing, and a mounting assembly comprising a disk and clips. The rubber insert and the clips resist movement of the dust collecting device along the drill steel of the roof tool during the drilling operation. | 02-02-2012 |
| 20140374166 | DUST COLLECTING DEVICE FOR A ROOF TOOL - A dust collecting device disposed circumferentially around a roof tool and in association with a roof drill bit and slidable thereon for collecting and removing dust generated during a dry drilling operation. The dust collecting device comprises a cylinder member, a bushing, and a mounting assembly comprising a top washer, a rubber insert, and a bottom washer. Another aspect of the invention provides a dust collecting device comprising a cylinder member, a bushing, and a mounting assembly comprising a disk and clips. The rubber insert and the clips resist movement of the dust collecting device along the drill steel of the roof tool during the drilling operation. | 12-25-2014 |
| 20150034392 | DUST COLLECTION SYSTEM FOR A MACHINE - A dust collection tube arrangement is provided. The tube arrangement includes an outer tube and an inner tube. The outer tube and the inner tube have a hollow configuration. The inner tube has a diameter lesser than that of the outer tube. The inner tube moves fore and aft with respect to the outer tube. The outer and inner tubes provide a passage for dust and airflow along with adjustable length of tube arrangement based on a position of the inner tube with respect to the outer tube. | 02-05-2015 |
| 175211000 | Axially supported by tool shaft | 1 |
| 20090255734 | Reinforced stripper rubber body and method of making same - A reinforced stripper rubber assembly with a stripper rubber body including a drillstring engaging portion having a drillstring bore extending axially therethrough. The drillstring engaging portion of the stripper rubber body is made from an elastomeric material, has an inner surface that engages a drillstring when the drillstring is dispose therein and has a reinforcing insert receiving recess within an exterior surface thereof extending at least partially around the drillstring bore. A reinforcing insert is disposed within the reinforcing insert receiving recess. The reinforcing insert includes an elastomeric material bonded to the stripper rubber body within the reinforcing insert receiving recess. A support structure is disposed within a support structure engaging portion of the stripper rubber body. The support structure includes a central opening generally aligned with the drillstring bore thereby allowing the drillstring to pass jointly through the central opening and the drillstring bore. | 10-15-2009 |
| 175213000 | With suction pump inlet communicating with bore bottom | 4 |
| 20090057028 | Downhole Draw Down Pump and Method - An apparatus for drawing down a fluid level in a wellbore. The apparatus comprises a first tubular disposed within the wellbore so that a wellbore annulus is formed. The apparatus further includes an annular nozzle operatively attached to the first tubular, and wherein the annular nozzle comprises: an annular adapter; and, a suction tube that extends from the annular member into an inner portion of the first tubular. The apparatus further comprises a second tubular concentrically disposed within the first tubular so that a micro annulus is formed therein. The apparatus may further contain a jetting device for delivering an injected medium injected from the micro annulus into the wellbore annulus, and a stabilizer that stabilizes the second tubular within the first tubular. A method of drawing down a fluid level is also disclosed. | 03-05-2009 |
| 20110036635 | Hydrovac with Blower in Tank - An improved hydro-vac excavation apparatus is presented with the blower located on a recessed portion of the mud tank, saving space and eliminating piping. The blower and silencers are oriented so that airflow through the blower and out through the silencers is in a downward direction, eliminating low spots that could trap liquid. | 02-17-2011 |
| 20140209390 | Wellbore Fluids Comprising Mineral Particles and Methods Relating Thereto - Mineral particles may provide for wellbore fluids with tailorable properties and capabilities. Such wellbore fluids may be included in systems that comprise a pump in fluid communication with a wellbore via a feed pipe; and a wellbore fluid disposed in at least one selected from the group consisting of the pump, the feed pipe, the wellbore, and any combination thereof, wherein the wellbore fluid comprises a base fluid, a plurality of first mineral particles, and a plurality of second mineral particles such that the first mineral particles and the second mineral particles having a multiparticle specific gravity of about 3 to about 20. | 07-31-2014 |
| 20150034393 | HOLE-VAC - An attachment used for digging and removing debris from a hole is connected to a flexible hose of a typical shop vacuum device, and includes a handle, a first tubular section, a second tubular section, a plurality of depth indicators, a bubble level, and a cutting head. This is a light-weight accessory that transforms the existing shop vacuum into an excavating and digging tool instantaneously. There is less energy expended and time spent digging holes. | 02-05-2015 |
| 175214000 | Fluid head on tool shaft having lateral port and axial passage with seal for means reciprocable in the head | 5 |
| 20090057029 | Stripper rubber retracting connection system - An adapter comprises a generally cylindrical adapter, engagement member bores, retention member bores, and attachment means configured for allowing the adapter to be fixedly attached to a mating portion of the drilling head equipment. The engagement member bores extend effectively parallel to the central bore. The retention member bores are each adjacent a respective one of the engagement member bores. The retention member bores are positioned such that the engagement pin bores and retention member bores intersect. The retention member bore is configured for having a retention member engaged therein in a manner allowing the retention member to be selectively displaced along a length of the retention member bore. The adapter includes a central bore to accommodate a down hole tubular. The attachment means includes a surface adjacent the central bore comprising fastener bores substantially parallel to the central bore for facilitating connection of the adapter to the drilling head equipment. | 03-05-2009 |
| 20100089654 | Rotating control device having bearing assembly housing with replaceable wear sleeve - An equipment housing configured for having a bearing assembly of a well drilling head mounted therein has a sidewall structure and a replaceable wear sleeve. The sidewall structure defines a central bore thereof. The central bore is configured for having a bearing assembly positioned therein. The replaceable wear sleeve is removably mounted on the sidewall structure within the central bore. The wear sleeve includes a tapered inside face configured for being engaged by a mating tapered face of bearing assembly. | 04-15-2010 |
| 20100089655 | Rotating control device with replaceable bowl sleeve - A rotating control device has a bowl including a central passage configured for having a bearing assembly positioned therein. A bowl sleeve ledge is integral the bowl within the central passage. The bowl sleeve is removably disposed within the central passage. Movement of the bowl sleeve along a length of the central passage is constrained by the bowl sleeve ledge and movement of the bowl sleeve radially with respect to the length of the central passage is constrained by a central passage surface. A sealing device of a first configuration is engaged between an exterior surface of the bowl sleeve and the central passage surface. The bearing assembly has an exterior surface of its outer barrel engaged with the interior surface of the bowl sleeve. A sealing device of a second configuration is engaged between the interior surface of the bowl sleeve and the exterior surface of the outer barrel. | 04-15-2010 |
| 20140345949 | SEAL SYSTEM FOR DOWNHOLE TOOL - A downhole tool may include a tubular member having an axis, a wall with a bore, and an orifice extending radially from the bore through the wall. A piston may be configured to be co-axially mounted in the bore of the tubular member and be axially reciprocated therein, the piston having a piston bore. An aperture may extend radially from the piston bore to the bore of the tubular member. First and second glands formed in an outer surface adjacent the aperture. The first gland may be axially spaced apart from the second gland. In addition, a seal system can be configured to be mounted to the piston. The seal system can include a primary seal for the first gland, a secondary seal for the second gland, and the secondary seal is harder than the primary seal. | 11-27-2014 |
| 20160040490 | A Continuous Drilling Fluid Circulation Unit and Arrangement - A circulation unit and an arrangement are arranged to continuously circulate drilling fluid during drilling. A housing is provided with a centre bore arranged to accommodate a portion of a pipe. The centre bore includes upper and lower sealing elements. The sealing elements are provided with centre openings which, by the expansion of said sealing elements, are closable or fit tightly against the pipe by the abutment of an inner sealing surface against the pipe. Each of the sealing elements is connected in a fluid-tight manner to a packing pipe which is located in the housing and which is rotatable around the centre axis of the centre bore. The packing pipe is surrounded by a packing assembly fitting, tightly between the periphery of the packing pipe and the housing. | 02-11-2016 |
| 175215000 | With tool shaft having plural passages for drilling fluid | 1 |
| 20080314644 | Device for a Borehole Arrangement - A device for a borehole arrangement, in which a casing for a borehole is formed of at least one casing section, and in which there is placed at a downhole end portion of the casing at least one downhole tool, for example a drilling tool, wherein the casing is provided with two or more pipe bores, each separately extending continuously through a substantial part of the length of the casing and being separated in a fluid-tight manner from adjacent pipe bores and from an external annulus defined by the external mantle surface of the pipe and a borehole wall. | 12-25-2008 |
| 175217000 | With pump | 10 |
| 20080236895 | APPARATUS AND METHOD FOR RECOVERING OIL-BASED DRILLING MUD - Oil-based drilling fluid is prepared for further processing to recover the drilling fluid by pumping the drilling fluid through a flow meter. Surfactant may be added to the drilling fluid by using a dose pump and a flow meter. The drilling fluid and surfactant are then blended by passing them through a static mixer. A flocculating polymer is transferred via dose pumps to another static mixer where it is blended with the surfactant and drilling fluid mixture. To ensure adequate mixing and reaction, additional mixers are included through which the mixture passes. A centrifuge is used to separate solid particles from the fluid. | 10-02-2008 |
| 20080236896 | APPARATUS AND METHOD FOR RECOVERING OIL-BASED DRILLING MUD - Oil-based drilling fluid is prepared for further processing to recover the drilling fluid by pumping the drilling fluid through a flow meter. Surfactant may be added to the drilling fluid by using a dose pump and a flow meter. The drilling fluid and surfactant are then blended by passing them through a static mixer. A flocculating polymer is transferred via dose pumps to another static mixer where it is blended with the surfactant and drilling fluid mixture. To ensure adequate mixing and reaction, additional mixers are included through which the mixture passes. A centrifuge is used to separate solid particles from the fluid. | 10-02-2008 |
| 20100212968 | Method and Apparatus for Vacuum Collecting and Gravity Depositing Drill Cuttings - A system for continuously feeding drill cuttings extracted from a cutting source into a liquid. The system has an open bottomed vacuum hood, means for positioning the open bottom of the vacuum hood in a liquid, means for creating a vacuum in the vacuum hood, a conduit for transporting the drill cuttings from the cutting source to the open bottomed vacuum hood, from which vacuum hood the drill cuttings fall, under the influence of gravity, through the open bottom of the vacuum hood and are thereby deposited into said liquid. Embodiments include means for removing and recovering residual drilling fluids extracted with the drill cuttings, reducing the size of the drill cuttings so they may be injected into a porous earth formation, relieving choke points and blockages. | 08-26-2010 |
| 20110100717 | Absorber-Replenisher in a Hydrostatic Circuit - Methods and systems for operating an absorber-replenisher to supply fluid to a low pressure circuit in a hydrostatic circuit or recover surplus energy usually wasted across a pressure relief valve in the low pressure side by intensifying it for use in a high pressure circuit in the hydrostatic circuit. The absorber-replenisher 1) allows fluid flow through a high pressure motor-pump section of the absorber-replenisher from a high pressure circuit source causing a low pressure motor-pump section to turn providing additional fluid flow to the hydrostatic circuit, or 2) allows increased fluid flow from the low pressure portion of the hydrostatic circuit to increase pressure until the higher pressure induces a higher net torque of the low pressure motor-pump section to reverse the direction of the absorber-replenisher and pump fluid flow into a high pressure circuit through the high pressure motor-pump section. | 05-05-2011 |
| 20130327574 | Carbon Foam Metal Matrix Composite and Mud Pump Employing Same - A method for manufacturing a metal reinforced open cell carbon foam component comprises (a) placing a block of open cell carbon foam in a mold. The block comprise a plurality of interconnected pores distributed throughout the block. In addition, the method comprises (b) pouring a molten metal into the mold. Further, the method comprises (c) infiltrating the interconnected pores in the block during (b). Still further, the method comprises (d) allowing the molten metal to cool after (c) to form a metal reinforced open cell carbon foam casting. | 12-12-2013 |
| 20140102805 | Direct Drive Fluid Pump for Subsea Mudlift Pump Drilling Systems - A subsea mudlift pump includes a pressure sealed housing disposed in a body of water in which a wellbore is being drilled by a drilling rig disposed above the surface of the body of water. A motor ( | 04-17-2014 |
| 20140209391 | Wellbore Fluids Comprising Mineral Particles and Methods Relating Thereto - Mineral particles may provide for wellbore fluids with tailorable properties and capabilities. Such mineral particles may be included as a portion of a wellbore drilling assembly that includes a pump in fluid communication with a wellbore via a feed pipe; and a wellbore fluid disposed in at least one selected from the group consisting of the pump, the feed pipe, the wellbore, and any combination thereof, wherein the wellbore fluid has a density of about 7 ppg to about 50 ppg and comprises a base fluid, a plurality of linkable mineral particles, and optionally a linking agent. | 07-31-2014 |
| 20140209392 | Wellbore Fluids Comprising Mineral Particles and Methods Relating Thereto - A wellbore drilling assembly may include a pump in fluid communication with a wellbore via a feed pipe; and a wellbore fluid disposed in at least one selected from the group consisting of the pump, the feed pipe, the wellbore, and any combination thereof, wherein the wellbore fluid comprises a base fluid and a wellbore additive. In some instances, a wellbore additive may include first mineral particles having a specific gravity of about 2.6 to about 20; second mineral particles having a specific gravity of about 5.5 to about 20; lubricant particles having a specific gravity of about 2.6 to about 20; wherein the first mineral particles, the second mineral particles, and the lubricant particles are different; and wherein the first mineral particles, the second mineral particles, and the lubricant particles have a multiparticle specific gravity of about 3 to about 20. | 07-31-2014 |
| 20140209393 | Precipitated Particles and Wellbore Fluids and Methods Relating Thereto - Precipitated mineral particles may provide for wellbore fluids with tailorable properties and capabilities. Such wellbore fluids may be included as a portion of a wellbore drilling assembly that includes a pump in fluid communication with a wellbore via a feed pipe; and a wellbore fluid disposed in at least one selected from the group consisting of the pump, the feed pipe, the wellbore, and any combination thereof, wherein the wellbore fluid has a density of about 7 ppg to about 50 ppg and comprises a base fluid and a plurality of precipitated particles having a shape selected from the group consisting of ovular, substantially ovular, discus, platelet, flake, toroidal, dendritic, acicular, spiked with a substantially spherical or ovular shape, spiked with a discus or platelet shape, rod-like, fibrous, polygonal, faceted, star-shaped, and any hybrid thereof. | 07-31-2014 |
| 20140262531 | HYDRAULIC CUSHION - Drilling mud is lifted subsea to a drilling vessel with a mud pump having an internal bladder. Applying pressurized water to one side of the bladder urges it against a quantity of the mud to impart a lifting force onto the mud. Mud flow to and from the pump is controlled by valves driven by actuators. The actuators include a piston in a cylinder, a stem that connects the piston to a valve member, and ports for supplying fluid to opposing ends of the piston for selectively reciprocating the piston. Cavities are strategically location in the cylinder for absorbing vibrational forces generated when the piston reaches an end of its stroke. | 09-18-2014 |
| 175218000 | With valve | 7 |
| 20100096190 | DRILL PIPE - A drill pipe having a tubular body through which is provided a main bore, a side port provided in an exterior surface of the body, a side bore extending through the body from the main bore to the side port, and a valve member which is movable between a closed position in which fluid flow through the side bore is substantially prevented and an open position in which fluid flow through the side bore is permitted, wherein the movement of the valve member between the closed position and the open position comprises translational movement, and the valve member is located at least predominantly within the side bore. | 04-22-2010 |
| 20100155143 | CONTINUOUS FLUID CIRCULATION VALVE FOR WELL DRILLING - Fluid circulation valve ( | 06-24-2010 |
| 20110083904 | SHORT MUD SAVER FOR USE WITH TOP DRIVE OR KELLY - The short mud saver, which can be used with “top drive” of “Kelly/rotary table” drilling system is housed in a short “sub”, has a large axial bore for the passage of drilling mud therethrough, a fixed and a movable seal assembly. The movable seal assembly is urged into normally closed position by a stack of Belleville, wave or similar disc stack of springs. The force of the spring stack can be over-ridden by application of sufficient mud pressure from top drive or Kelly to move the moveable seal assembly. Upon application of sufficient mud pressure the movable seal assembly moves downward allowing for flow through the large axial bore. Upon closer of the mud saver a flexible washer associated with fixed seal assembly allows pressure below the mud saver to be relieved to the top of the mud saver, from where return is precluded unless the mud saver is re-opened by application of mud pressure from top drive or Kelly. The short mud saver may be integrated with internal, ball-type blow-out preventer and have a shortened retrievable plug. | 04-14-2011 |
| 20110192649 | FLOW DIVERTER RING FOR MUD SAVER VALVES - A valve assembly includes a main housing having a central bore therethrough, an upper valve subassembly disposed within the main housing, the upper valve subassembly including an upper seat configured to contact a corresponding lower seat of a lower valve subassembly, and a flow diverter ring disposed proximate the upper seat of the upper valve subassembly, wherein the flow diverter ring is configured to direct a fluid flow radially away from the upper seat of the upper valve subassembly. | 08-11-2011 |
| 20130068532 | THREE-WAY FLOW SUB FOR CONTINUOUS CIRCULATION - A flow sub for use with a drill string includes: a tubular housing having a longitudinal bore formed therethrough and a flow port formed through a wall thereof; a bore valve operable between an open position and a closed position, wherein the bore valve allows free passage through the bore in the open position and isolates an upper portion of the bore from a lower portion of the bore in the closed position; and a sleeve disposed in the housing and movable between an open position where the flow port is exposed to the bore and a closed position where a wall of the sleeve is disposed between the flow port and the bore; and a bore valve actuator operably coupling the sleeve and the bore valve such that opening the sleeve closes the bore valve and closing the sleeve opens the bore valve. | 03-21-2013 |
| 20140158433 | VALVE ASSEMBLY - A valve assembly comprising a body having a main passage, and a valve member which is located in the main passage and which is rotatable between an open position in which the main passage is substantially open, and a closed position in which the valve member substantially blocks the main passage, and an actuator which is movable generally parallel to the longitudinal axis of the main passage, the actuator being engaged with the valve member such that movement of the actuator generally parallel to the longitudinal axis of the main passage causes the valve member to rotate between its open and dosed positions. | 06-12-2014 |
| 20160002993 | VALVE ASSEMBLY - A valve assembly for use controlling flow of fluid into a drill pipe, the valve assembly having a valve body, a valve member and a valve seat, wherein a) the valve body has a main passage b) the valve member is movable between a closed position in which the valve member engages with a seat face of the valve seat to substantially prevent flow of fluid along the main passage, and an open position in which the valve member is spaced from the seat face, c) the valve seat is a separate part to the valve body. | 01-07-2016 |
