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| Number | Title | Issue Date |
| 8356678 | Oil recovery method and apparatus A method and apparatus for recovering oil from oil-containing sorbents, such as drill cuttings obtained from drilling with an oil-based mud. The method includes peptizing the substrate with an acid reagent and direct thermal desorption with combustion effluent gases... | 01/22/2013 |
| 8322464 | 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 condu... | 12/04/2012 |
| 8276686 | Vacuum assisted drill cuttings dryer and handling apparatus A vacuum assisted drill cuttings dryer and handling apparatus has a vacuum tank and an associated vacuum pump and motor configured for use with a high speed centrifugal dryer. Cuttings are drawn from the shaker of a drilling rig into the centrifugal dryer by means o... | 10/02/2012 |
| 8267201 | Method and apparatus for disposal of cuttings A method and apparatus for disposing of drill cuttings 500 from an oil and/or gas well drilling platform 510, comprising providing a barge 10, the barge 10 having at least one storage area 30, a cover 100 operably connected ... | 09/18/2012 |
| 8267200 | Cuttings treatment and reuse A method for treating drill cuttings including depositing drill cuttings in a desalinization cell, the desalinization cell having a high end, a low end, and a cuttings pad. The method further includes washing the drill cuttings in the desalinization cell with a liqu... | 09/18/2012 |
| 8132632 | Method for recovering valuable drilling mud materials using a binary fluid This invention relates to a system and process for recovering and recycling valuable target recycle materials such lost circulation material and weighting agents from drilling fluid used in hydrocarbon drilling operations. The system and process includes use of a bi... | 03/13/2012 |
| 8100198 | Cuttings treatment and reuse A method for treating drill cuttings including depositing drill cuttings in a desalinization cell, the desalinization cell having a high end, a low end, and a cuttings pad. The method further includes washing the drill cuttings in the desalinization cell with a liqu... | 01/24/2012 |
| 8096371 | Method and apparatus for disposal of cuttings A method and apparatus for disposing of drill cuttings 500 from an oil and/or gas well drilling platform 510, comprising (a) transporting the drill cuttings 520 to a cuttings collection area 530 on the platform 510; (b) providing a... | 01/17/2012 |
| 8091653 | Methods of formulating weighting agents using processed waste waters In oil or gas well drilling, saline water is collected and separated into first and second streams of solid or liquid products containing salts. The first or second product is added to drilling fluids as a weighting agent. ... | 01/10/2012 |
| 8002050 | Completion technique and treatment of drilled solids An onshore oil or gas well is completed with a coiled tubing unit. A completion liquid is circulated through coiled tubing and thereby removing solids from the well. The completion liquid and drilled solids pass into a tank where the solids are removed and the clean... | 08/23/2011 |
| 7992654 | Dual gradient drilling method and apparatus with an adjustable centrifuge A system for controlling drilling mud density in drilling operations that combines a base fluid of lesser/greater density than the drilling fluid required at the drill bit to drill the borehole to produce a combination return mud in a riser. Concentric tubular membe... | 08/09/2011 |
| 7971657 | Drill cuttings transfer system and related methods A system for handling drill cuttings conveys cuttings slurry into bulk tanks via a conduit. The bulk tanks have an un-pressurized interior volume that receives the slurry. A conveyance member positioned inside the bulk tank forces the slurry out of a discharge port ... | 07/05/2011 |
| 7913776 | Method and system to recover usable oil-based drilling muds from used and unacceptable oil-based drilling muds A system for treating spent/used Oil Based Drilling Muds (OBM's) to recover High Gravity Solids (HGS) for further reuse and to separate the invert emulsion from the Light Gravity Solids (LGS) with good characteristics also for further reuse. Separated LGS is process... | 03/29/2011 |
| 7886848 | Method and apparatus for disposal of cuttings A method and apparatus for disposing of drill cuttings 500 from an oil and/or gas well drilling platform 510, comprising (a) transporting the drill cuttings 520 to a cuttings collection area 530 on the platform 510; (b) providing a... | 02/15/2011 |
| 7857077 | Method and apparatus for processing and injecting drill cuttings An improved cuttings system located adjacent a drilling rig's shale shaker system utilizing a vacuum collection/gravity fed processing system, thereby eliminating expensive and complicated cuttings transfer systems. The use of a vacuum cuttings collection system com... | 12/28/2010 |
| 7828084 | Use of cuttings tank for slurrification on drilling rig A system for preparing slurry on a rig including a first cuttings storage vessel, a module, and a fluid supply line in fluid communication with the first cuttings storage vessel, the module including a grinding device configured to facilitate the transfer of fluids,... | 11/09/2010 |
| 7770666 | Drilling fluid containing a recoverable lost circulation material and method of using and recovering the same A method to recover a lost circulation material from a drilling fluid used in a drilling operation comprising the steps of: directing a drilling fluid containing a lost circulation material into a drill string positioned in a well bore, the lost circulation material... | 08/10/2010 |
| 7770665 | Use of cuttings tank for in-transit slurrification A system for preparing a slurry in-transit including a first cuttings storage vessel disposed on a transport vehicle, a module configured to operatively connect to the first cuttings storage vessel, and a fluid supply line in fluid communication with the first cutti... | 08/10/2010 |
| 7762357 | Dual gradient drilling method and apparatus with an adjustable centrifuge A system for controlling drilling mud density in drilling operations that combines a base fluid of lesser/greater density than the drilling fluid required at the drill bit to drill the borehole to produce a combination return mud in a riser. Concentric tubular membe... | 07/27/2010 |
| 7690445 | Oil contaminated substrate treatment method and apparatus A method and apparatus for treating for disposal oil contaminated substrates, such as drill cuttings from drilling with an oil-based mud, by steam distillation. If necessary, the contaminated substrate 10 can be pretreated with an emulsion breaker 14. ... | 04/06/2010 |
| 7568535 | Methods for recovery and reuse of lost circulation material A system for recovering lost circulation material from spent drilling fluid, the spent drilling fluid containing lost circulation material, drilling fluid, and undesirable solids, the system having alternating separation apparatuses, including sizing apparatus, dest... | 08/04/2009 |
| 7556106 | Drilling fluid monitor A drilling fluid monitor system includes a pump fluidically connected to the drilling fluid to withdraw fluid from that system and move it to a scale that includes two coils through which the withdrawn fluid is circulated. The coils are positioned on a scale so the ... | 07/07/2009 |
| 7520342 | Recovery system A process for the recovery of drilling fluid additives, including industrial carbon, calcium carbonate, natural and synthetic fibers, and other materials from a mixture. The mixture may include drilling fluids, drilled solids, and drilling fluid additives from a mud... | 04/21/2009 |
| 7506702 | Method and apparatus for disposal of cuttings A method and apparatus for disposing of drill cuttings 500 from an oil and/or gas well drilling platform 510, comprising (a) transporting the drill cuttings 520 to a cuttings collection area 530 on the platform 510; (b) providing a... | 03/24/2009 |
| 7503406 | Method for processing drilling cuttings in an oil recovery operation A method for the recovery of oil according to which a well is drilled using a drill bit; drilling fluid is introduced to the drill bit and a mixture of the fluid and cuttings from the well is passed to the ground surface. The mixture is passed into a vessel and the ... | 03/17/2009 |
| 7484574 | Drill cuttings conveyance systems and methods Methods for processing drill cuttings including measuring moisture content of the drill cuttings; systems for doing this; methods for moving drill cuttings using conduits with spaced-apart inlets for applying positive pressure; and feeding apparatuses for loading dr... | 02/03/2009 |
| 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 |
| 7431846 | Method for concentrating solids from drilling slurry An apparatus to separate solids from drilling slurry, having an inlet positioned over an outlet of a concentration tank to displace water that would otherwise enter the down-stream centrifuges. Baffles are provided to direct solids to the outlet and minimize the tim... | 10/07/2008 |
| 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 |
| 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 |
| 7404903 | Drill cuttings treatment system A process for the separation of oil from invert mud drill cuttings. Invert mud drill cuttings are supplied to a mixing chamber of a jet pump. The invert mud drill cuttings are agitated within the jet pump to effect transformation of the solids-oil matrix of the inve... | 07/29/2008 |
| 7396433 | Process and arrangement for separating oil from oil containing materials The process separates oil and water from a sludge mixture by directing the sludge mixture into a rapidly rotating friction dryer having a cylindrical chamber with a smooth inner surface and a rotating rotor having rotor arms extending into closely spaced relation to... | 07/08/2008 |
| 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 |
| 7381332 | 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... | 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 |
| 7377721 | Methods for using reversible phase oil-based drilling fluid Invert emulsion compositions including an oleaginous, a non-oleaginous and an amine surfactant that are useful in the oil and gas well drilling art are disclosed. The amine surfactant is selected so that the invert emulsion can be converted form a water-in-oil type ... | 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 |
| 7374690 | 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... | 05/20/2008 |
| 7363733 | Device and method for making a trench wall in the soil The invention relates to a device for making a trench wall in the soil comprising a frame, at least one lower cutting/mixing wheel arranged at the bottom of the frame, at least one further, upper cutting/mixing wheel arranged at the top of the frame, wherein the fra... | 04/29/2008 |
