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| Number | Title | Issue Date |
| 8127867 | Method and system for surface filtering of solids from return fluids in well operations A system and method for separating solids from return fluids in well drill-out, flow back, well-test, and other production operations. Solids are collected in a filter comprising a perforate inner tube inside a solid outer tube with an annulus therebetween. The flui... | 03/06/2012 |
| 7997355 | Apparatus for injecting impactors into a fluid stream using a screw extruder An injection system and method is described. In several exemplary embodiments, the injection system and method may be a part of, and/or used with, a system and method for excavating a subterranean formation. In at least one example, an apparatus is provided that inc... | 08/16/2011 |
| 7987929 | Arrangement for processing dust The invention relates to a method for processing dust when breaking rock, to a dust separator, and further to a rock-drilling rig. Rock material and air sucked from a borehole or some other operating location is separated from each other in the dust separator. The s... | 08/02/2011 |
| 7980329 | System for managing variable density drilling mud A method and system for drilling a wellbore is described. The system includes a wellbore with a variable density drilling mud, drilling pipe, a bottom hole assembly disposed in the wellbore and a drilling mud processing unit in fluid communication with the wellbore.... | 07/19/2011 |
| 7886850 | Drilling fluid screening systems A system for treating a mixture of drilling fluid and solid material, including a container with an inlet for the introduction of the mixture into the container. The system having a rotatable screen assembly mounted within the container and has at least one screen f... | 02/15/2011 |
| 7757786 | Impact excavation system and method with injection system A system and method according to which at least one vessel injects a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation. ... | 07/20/2010 |
| 7712551 | Vacuum feed supply system for drilling fluid additives A system for forming a subterranean wellbore may include a pump and an additive supply. The pump pumps a drilling fluid into the wellbore while also generating a pressure differential that draws an additive across a supply line connected to the additive supply. The ... | 05/11/2010 |
| 7665546 | Metal debris cleanout system and method A cleanout system and method for removal of metal debris from a fluid flow, such a flow of re-circulated drilling mud employs one or more magnetic unit positioned in the path of the fluid for collecting metal particles from the flow. The magnetic unit has a removabl... | 02/23/2010 |
| 7438142 | Recovery system A process for the recovery of industrial carbon material from a mixture. The mixture may include drilling fluids, drilled solids, and industrial carbon from a mud system. The process may include: separating at least a portion of the drilled solids from the mixture t... | 10/21/2008 |
| 7431081 | Device for removal and filtration of drilling fluid The invention relates to a device for removal and filtration of drilling fluid at top hole drilling, where a suction module (10) comprises an extended, pipe-formed body (30), open at the top and which is arranged to an ocean-bottom penetrating pipe, th... | 10/07/2008 |
| 7410014 | Metal debris cleanout system and method A cleanout system and method for removal of metal debris from a fluid flow, such a flow of re-circulated drilling mud employs one or more magnetic unit positioned in the path of the fluid for collecting metal particles from the flow. The magnetic unit has a removabl... | 08/12/2008 |
| 7407022 | Apparatus for pumping drill cuttings and dual cylinder positive displacement pump for moving drill cuttings and method of use A dual cylinder positive displacement pump is used to move drill cuttings. The pump may include one or more of a self-sealing wear ring member/wear plate member interface, stainless steel pumping cylinders, and a hopper with an inclined surface. ... | 08/05/2008 |
| 7398839 | Impact excavation system and method with particle trap A system and method for excavating a subterranean formation, according to which a slurry of liquid and a plurality of impactors are introduced into at least one cavity formed in a body member and are discharged from the cavity so that the impactors remove a portion ... | 07/15/2008 |
| 7398838 | Impact excavation system and method with two-stage inductor A system and method for excavating a subterranean formation according to which a fluid is introduced into a vessel to draw a plurality of impactors into the vessel to form a suspension. The suspension is discharged from the vessel and into another vessel, and fluid ... | 07/15/2008 |
| 7383896 | Impact excavation system and method with particle separation A system and method for excavating a subterranean formation, according to which a suspension of liquid and a plurality of impactors are introduced into at least one cavity formed in a body member and are discharging from the cavity so that the impactors remove a por... | 06/10/2008 |
| 7380617 | Drill cuttings handling apparatus A drill cuttings handling system apparatus for use on an oil and gas drilling rig located on a drilling platform where the platform has drilling equipment that includes a system for circulating drilling mud through the borehole created by the drilling equipment that... | 06/03/2008 |
| 7377336 | Modular pressure control and drilling waste management apparatus for subterranean borehole A modularly segmented apparatus for precise borehole pressure control, removing waste from borehole fluid, and recirculating the cleaned borehole fluid includes a pressure control section, a gas separator section, and a waste management section. In the pressure cont... | 05/27/2008 |
| 7373996 | Method and system for separation of drilling/production fluids and drilled earthen solids A method of separating drilling/production fluids from solid cuttings from a mixture received from down hole, without the use of shale shakers, de-sanders, or de-sanders, through the steps of flowing the mixture from the well bore into a flow line above the surface ... | 05/20/2008 |
| 7360611 | Flow system for a hydraulic choke solids strainer A strainer system having two separate strainers positioned in parallel, where one strainer can be cleaned while still permitting normal flow through the other strainer. The system flow circuit is arranged so that a high pressure backwashing flow can be applied to on... | 04/22/2008 |
| 7350597 | Drilling system and method A drilling system for drilling a bore hole into an earth formation, the bore hole having an inside wall. A drill string reaches into the bore hole from a surface, leaving a drilling fluid return passage between the drill string and the bore hole inside wall. A botto... | 04/01/2008 |
| 7337860 | Apparatus and process for removing liquids from drill cuttings Drill cuttings associated with drilling fluid are thermally cleaned. The wet cuttings are fed into a vessel chamber having mechanical mixers, such as ribbon blenders, extending lengthwise of the chamber. Direct heating is applied to the chamber contents by introduci... | 03/04/2008 |
| 7338608 | Solid-liquid separation of oil-based muds This invention relates to a method of achieving a solid-liquid separation of an oil-based mud comprising the step of contacting said oil-based mud with a water-in-oil emulsion comprising a polymer derived from at least one water-soluble monomer, where the polymer is... | 03/04/2008 |
| 7322431 | Advanced ultrasonic processor An ultrasonic processor for continuous processing of material is disclosed comprising an enclosed processor chamber (12) having opposed end wall (18) and (16) and an input (40) and an output (42) so that material to be processed ca... | 01/29/2008 |
| 7306057 | Thermal drill cuttings treatment with weir system A method for treating material, the material contaminated with contaminants, the method including: introducing material with contaminants to a system for remediation including a thermal treatment system, a quench system, a weir tank system and a condensing system; f... | 12/11/2007 |
| 7296640 | Solids control system A mobile solids control system for the processing of drilling fluids. The solids control system includes a suction tank skid, a suction platform skid, a shaker tank skid, and an equipment platform skid. The suction tank skid and shaker tank skid include the drilling... | 11/20/2007 |
| 7278804 | Methods and systems for delivering lost circulation material into drilling pits Disclosed herein are embodiments of a method and system for delivering lost circulation material, particularly cottonseed hulls, into oil and gas drilling pits. According to one exemplary embodiment, a method of delivering lost circulation material from a bulk sourc... | 10/09/2007 |
| 7229952 | Additive packages for removing oil from solid materials recovered from a well bore An additive package for removing oil from solid material recovered from a well bore, e.g., drill cuttings and produced sand, is provided. The additive package includes an aqueous acidic solution containing a polymer substituted with an amino group, a halogenating ag... | 06/12/2007 |
| 7220707 | Sized barite as a weighting agent for drilling fluids An additive that increases the density of fluids containing a sized barite weighting agent. The wellbore fluid has rheological properties comparable to a conventional wellbore fluids but does not exhibit problems with sag and resulting variations in density. An illu... | 05/22/2007 |
| 7207399 | Modular pressure control and drilling waste management apparatus for subterranean borehole operations A modularly segmented apparatus for precise borehole pressure control, removing waste from borehole fluid, and recirculating the cleaned borehole fluid includes a pressure control section, a gas separator section, and a waste management section. In the pressure cont... | 04/24/2007 |
| 7195084 | Systems and methods for storing and handling drill cuttings Vessels for selectively holding drilling cuttings material and methods employing such vessels; the vessels, in at least certain aspects, having a body with a hollow container with an interior space for receiving drilling cuttings material and from which the material... | 03/27/2007 |
| 7192527 | Processes for removing oil from solid wellbore materials and produced water Processes for removing oil from a solid wellbore material such as drill cuttings or water such as produced by a subterranean formation include contacting the solid material/water with an amino-substituted polymer such as chitosan and a halogenating agent. The oil se... | 03/20/2007 |
| 7185719 | Dynamic annular pressure control apparatus and method A drilling system for drilling a bore hole into a subterranean earth formation, wherein at least a portion of the mud flow from the primary mud pump is diverted to the mud discharge outlet, thereby creating a backpressure system to readily increase annular pressure.... | 03/06/2007 |
| 7186062 | Method and apparatus for pneumatic conveying of drill cuttings A method, apparatus and system for conveying drill cuttings employing a compressed conveyance gas to induce movement of the non-free flowing drill cuttings in a vessel without employing a non-pneumatic means for causing movement of the drill cuttings in the vessel. | 03/06/2007 |
| 7176165 | Method of drilling using a sized barite as a weighting agent for drilling fluids An additive that increases the density of fluids containing a sized barite weighting agent. The wellbore fluid has rheological properties comparable to a conventional wellbore fluids but does not exhibit problems with sag and resulting variations in density. An illu... | 02/13/2007 |
| 7169738 | Method of using a sized barite as a weighting agent for drilling fluids An additive that increases the density of fluids containing a sized barite weighting agent. The wellbore fluid has rheological properties comparable to a conventional wellbore fluids but does not exhibit problems with sag and resulting variations in density. An illu... | 01/30/2007 |
| 7168569 | Vibratory screening machine for earth drilling installation An oil and gas drilling installation having a drill rig with a bell nipple having an outlet at a predetermined elevation, a screening machine having a feeder and an angularly adjustable vibratory frame, a weir positioned between the feeder and the vibratory frame, t... | 01/30/2007 |
| 7141099 | Flare tank apparatus for degassing drilling fluid A flare tank apparatus for separating combustible gases from a mixture of such gases and a liquid, for example combustible gases in drilling fluid from an oil or gas drill string. The apparatus has an inlet conduit having two or more connectors which permit componen... | 11/28/2006 |
| 7140441 | Fluid separation method and system A method and a system for separating the phases of a multiphase fluid from one or more wells. The system includes at least one first gravity separator and at least one second gravity separator, and elements for conducting the fluid from the well or wells to the firs... | 11/28/2006 |
| 7134494 | Method and system for recirculating fluid in a well system A method for recirculating fluid in a well system includes drilling a first well bore from a surface to a subterranean zone, and drilling an articulated well bore that is horizontally offset from the first well bore at the surface and that intersects the first well ... | 11/14/2006 |
| 7093678 | Method and apparatus for removing fluids from drill cuttings A method and apparatus is provided for removing fluids, particularly entrained and/or adherent fluids, from drill cuttings generated during the well drilling process. A generally cylindrical wire-wrapped screen having a bore therethrough rotates about its longitudin... | 08/22/2006 |
