| Entries |
| Document | Title | Date |
|---|
| 20130037264 | Tangential perforation system - A method to separate a gas phase from a liquid phase in a subterranean formation that includes positioning a downhole tool in a wellbore, operating the downhole tool to form perforations in the subterranean formation in a manner that creates cyclonic motion in fluids that exit the subterranean formation and enter the wellbore through the perforations, the fluid having a gas phase and a liquid phase, and producing the liquid phase to the surface, whereby the liquid phase is substantially devoid of the gas phase as a result of the cyclonic motion. | 02-14-2013 |
| 20090120638 | SUBSEA WELL HAVING A SUBMERSIBLE PUMP ASSEMBLY WITH A GAS SEPARATOR LOCATED AT THE PUMP DISCHARGE - A subsea rotary gas separator system has a separator located adjacent the discharge of the pump for separating gas from the high pressure liquid stream exiting the pump. Some of the high pressure liquid is recycled back to the inlet of the pump to maintain a liquid-rich inlet stream for the pump. | 05-14-2009 |
| 20130032341 | Down-Hole Gas Separator - A gas separator for separating gas from a fluid in a production stream in a producing hydrocarbon well is described. The gas separator includes a central tube sized to fit into a well casing of the producing hydrocarbon well and having an input at its lower end for receiving the production stream and perforations at its upper end to allow the production stream to flow into the space between the central tube and the well casing. A suction tube is located inside the central tube, the suction tube is operable to draw fluid from the space between the central tube and the well casing and to deliver the fluid to an artificial lift mechanism. A baffle assembly in the gas separator is comprised of a series of baffles, each baffle extending between an inner wall of the central tube and an outer wall of the suction tube for a portion of the available space between the inner wall of the central tube and the outer wall of the suction tube, each baffle offset from the other baffles in the baffle assembly, wherein the baffle assembly is operable to continually redirect the fluid and gas as it travels through the central tube. | 02-07-2013 |
| 20090056939 | FLOW CONTROL DEVICE AND METHOD FOR A DOWNHOLE OIL-WATER SEPARATOR - A downhole device having an oil/water separator having a well fluid inlet, an oil stream outlet conduit, and a water stream outlet conduit; a removable flow-restrictor located in at least one of the water stream outlet conduit or the oil stream outlet conduit. | 03-05-2009 |
| 20130068455 | Shroud Having Separate Upper and Lower Portions for Submersible Pump Assembly and Gas Separator - A downhole well pumping assembly has a shroud with an upper section and a lower section sealed from one another. A submersible pump and a gas separator are housed within the upper section of the shroud. The gas separator has a liquid outlet in fluid communication with an intake of the pump, and a gas outlet in fluid communication with the gas outlet in the shroud. A motor is housed within the lower section of the shroud, the motor being coupled to the gas separator for rotating the gas Separator and the pump. A well fluid lower inlet is in the shroud below the motor and a well fluid lower outlet is in the shroud above the motor. | 03-21-2013 |
| 20130068454 | System, Apparatus and Method For Producing A Well - A system is provided that is capable of providing heat across a produced interval during oil and gas production to minimize or reduce undesirable formation of gas hydrates in the wellbore. In one embodiment, the configuration provides a means to recycle heat generated by an electrical submersible pump. Heat from the pump may be applied downhole. One configuration is capable of providing for downhole separation of gas from produced fluids to reduce or eliminate gas transit through the pump. A heating element also may apply heat to produced fluids. In one embodiment, a system may provide for the safe containment and control of gas within the wellbore by the utilization of a safety valve. | 03-21-2013 |
| 20110290481 | Apparatus And Method For Launching Plugs In Cementing Operations - An apparatus for use in launching cement plugs in a well cementing operation, comprising: a cylinder ( | 12-01-2011 |
| 20080245525 | ELECTRIC SUBMERSIBLE PUMPING SYSTEM WITH GAS VENT - A technique is provided for pumping fluids from a wellbore. An electric submersible pumping system is deployed in a wellbore on a tubing. Free gas can potentially accumulate around the electric submersible pumping system, but a gas vent is positioned to remove free gas. | 10-09-2008 |
| 20110220352 | TREATMENT OF PRODUCED HYDROCARBON FLUID CONTAINING WATER - It is described a method for treating a flow of fluid hydrocarbons containing water wherein the flow of fluid hydrocarbons is introduced into a first separator separating at least free water from said flow of fluid hydrocarbons, wherein a remainder of said fluid hydrocarbon flow is introduced into a system converting free/condensed water in the fluid hydrocarbon flow in said system to gas hydrates, and providing at least a first fluid flow and a second fluid flow, wherein said first fluid flow is a liquid phase comprising gas hydrates, said first fluid flow is recycled into the first separator, and wherein the second fluid flow having a content of dry gas and/or condensate/oil. The invention also provides a system for treatment of a flow of fluid hydrocarbon fluid containing water, said system including the following elements listed in the flow direction and connected with each other: connection to a hydrocarbon production source ( | 09-15-2011 |
| 20090200025 | HIGH TEMPERATURE METHODS FOR FORMING OXIDIZER FUEL - A method of treating a formation fluid includes providing formation fluid from a subsurface in situ heat treatment process. The formation fluid is separated to produce a liquid stream and a first gas stream. The first gas stream includes carbon dioxide, hydrogen sulfide, hydrocarbons, hydrogen or mixtures thereof. Molecular oxygen is separated from air to form a molecular oxygen stream comprising molecular oxygen. The first gas stream is combined with the molecular oxygen stream to form a combined stream comprising molecular oxygen and the first gas stream. The combined stream is provided to one or more downhole burners. | 08-13-2009 |
| 20100147514 | Columnar downhole gas separator and method of use - A gas separator is provided including a tapered portion, the “bell section” and a wide portion, the “shroud.” The bell section resides on the lower end of the gas separator where it attaches to the production pipe. The shroud is substantially larger in diameter than the production pipe and allows mixed fluid and gas to enter through an open top. | 06-17-2010 |
| 20100218944 | DOWNHOLE FLUID SEPARATION - The invention includes systems and methods for operating, monitoring and controlling downhole fluid control system at a below ground location in a wellhole. The system may include a downhole fluid control system comprising at least one pump, a spoolable composite pipe comprising a fluid channel and at least one energy conductor, and a distal connection device adapted to couple a distal end of the fluid channel to the at least one pump and couple a distal end of the at least one energy conductor to the downhole fluid control system. | 09-02-2010 |
| 20090071646 | Apparatus for treating fluid streams - An apparatus and method for increasing and regulating temperature, pressure and fluid viscosities of fluid streams found in oil and gas production. Applicant's apparatus regulates and increases fluid temperatures, by and through improved heating apparatus, which may be placed at one or more locations along a wellbore surface flow line, or subsea flow line. The apparatus preferably either heats fluids flowing from the reservoir to the surface, or alternatively, can heat fluids injected from the surface into the reservoir. The apparatus includes an elongated, polygonal shaped tubular heating member with a plurality of fins radially extending from the flat surfaces of the polygonal shaped member, a tubular mixing member axially aligned with the polygonal shaped tubular member, said tubular mixing member having apertures therein and a shroud enclosing said polygonal shaped heating member and tubular mixing member, thereby forming a heating chamber and a mixing chamber, respectively. In one embodiment, the tool comprises a plurality of polygonal shaped heating members and tubular mixing members, axially aligned in alternating series. | 03-19-2009 |
| 20100065267 | Apparatus for Separating a Mixture of Liquids of Differing Specific Gravities in a Wellbore - An apparatus for separating a mixture of liquids of differing specific gravities in a wellbore is disclosed along with a method of installation and operation thereof. This device separates water from hydrocarbons prior to hydrocarbon extraction in order to decrease disposal costs of waste water. The device is designed to be compatible with existing oil wells that have been abandoned because of lack of profitability caused by a high water to oil ratio. The device may also be installed in new wells with a high water concentration. | 03-18-2010 |
| 20110146977 | TWO-STAGE DOWNHOLE OIL-WATER SEPARATION - A method for downhole oil-water separation, according to one or more aspects of the present disclosure, comprises disposing a oil-water separation system in a wellbore, the system comprising a first separator connected in hydraulic series with a second separator; separating a well fluid in the first separator into a first injection stream and a first production stream; discharging the first injection stream to an inlet of the second separator; separating the first injection stream in the second separator into an output injection stream and a second production stream; and injecting the output injection stream from the wellbore into an injection formation. | 06-23-2011 |
| 20110100624 | CYCLONIC STRAINER - A cyclonic strainer for a well intake that provides for improved separation of gas and fluid in naturally flowing wells during mechanical pumping operations. The strainer includes an elongated member having a channel formed longitudinally therein. A plurality of apertures extend through the elongated member angled downwardly into the channel and away from a center of the channel allowing for a better shear between gas and fluids. The angle of the ports causes fluid to be forced in an opposite direction, resulting in gases and fluids shearing more quickly and cleanly, due to kinetic energy. The angle of the ports can be varied to accommodate different conditions in various well environments. In well environments in which gaseous conditions are extreme, it can be desired for the ports to be sloped southwardly or downwardly at a greater angle than for well environments in which gaseous conditions are not as extreme. | 05-05-2011 |
| 20110073306 | DOWNHOLE GAS AND LIQUID SEPARATION - Separating gas from liquid down hole in a well by a downhole gas separator, gas is separated and passed to the well annulus and liquid is passed to a submersible pump at a calibrated flow rate at which liquid is vacated from a separation chamber, the length of the separation chamber providing sufficient space for gas separation as the liquid is pumped from the separator. The gas separator, limiting the amount of fluid passed to the separation chamber at less than the pumping rate of the submersible pump, creates a fluid vortex causing the separated liquid to move to the periphery and separated gas to pass near the axial center of the separation chamber. The separated gas passes to the well annulus and the liquid passes to the inlet of the submersible pump. | 03-31-2011 |
| 20110073305 | Multisection Downhole Separator and Method - A downhole separator has first and second separation sections each with a housing defining an interior cavity divided into a first chamber and a second chamber by a flow restricting bearing housing. Each separation section has an internal pump that pumps production fluid into the first chamber and to the bearing housing. The bearing housing limits flow into the second chamber and releases pressure on gas in the production fluid entering the second chamber, separating gas from liquid. A vortex generator in the second chamber segregates the liquid to the outside and the gas to the inside of the second chamber. The bearing housing of the upstream separation section has a greater capacity than the bearing housing of the downstream separation section. | 03-31-2011 |
| 20110073304 | MULTISTAGE DOWNHOLE SEPARATOR AND METHOD - A downhole separator has first and second separation sections each with a housing defining an interior cavity divided into a first chamber and a second chamber by a flow restricting bearing housing. Each separation section has at least two pumping stages that pump production fluid into the first chamber and to the bearing housing. The bearing housing limits flow into the second chamber and generates a pressure drop in production fluid entering the second chamber, separating gas from liquid. A vortex generator in the second chamber segregates the liquid to the outside and the gas to the inside of the second chamber. The upstream separation section has a greater capacity than the downstream separation section. | 03-31-2011 |
| 20110024110 | THREE-PHASE SEPARATION DOWNHOLE - Three-phase separation is achieved downhole in a production well by forming an oil/liquid separation zone in the well between two packers which are positioned between producing and disposal zones. Gas is permitted to separate above the top packer. A pump is used to pump an oil/water mixture from above the top packer into the separation zone. Adequate residence time is permitted in the separation zone to achieve the separation. A check valve in the bottom packer is used to provide pressure to raise the oil to the wellhead. A control valve at the wellhead is used to control pressure in the separation zone and the relative sizes of the streams issuing therefrom. | 02-03-2011 |
| 20110146976 | DOWNHOLE MULTI-PARALLEL HYDROCYCLONE SEPARATOR - A hydrocyclone separator assembly includes a longitudinal housing configured for disposal in a wellbore, wherein the longitudinal housing comprises a discharge head disposed at one end of the longitudinal housing, wherein the discharge head includes at least one overflow port and at least one underflow port; a plurality of hydrocyclones disposed arranged in a same orientation in the longitudinal housing, wherein the plurality of hydrocyclone each comprise an overflow exit and an underflow exit, wherein at least two of the overflow exits of the plurality of hydrocyclones are connected to a common tubing that is connected to the at least one overflow port on the discharge head, wherein at least two of the underflow exits of the plurality of hydrocyclones are connected to separate tubings that are connected to the at least one underflow port on the discharge head. | 06-23-2011 |
| 20090183872 | Methods Of Recovering Hydrocarbons From Oil Shale And Sub-Surface Oil Shale Recovery Arrangements For Recovering Hydrocarbons From Oil Shale - This invention includes methods of recovering hydrocarbons from oil shale, and sub-surface oil shale recovery arrangements for recovering hydrocarbons from oil shale. In one implementation, a sub-surface oil shale recovery arrangement for recovering hydrocarbons from oil shale includes a bore hole extending upwardly from a subterranean room into oil shale, with at least an upper part of the room being received within the oil shale and includes a wall through which the bore hole extends. The bore hole includes a lowest portion within the oil shale and an upper portion within the oil shale. A heating energy source extends from the subterranean room into the bore hole along the lowest portion and along the upper portion, insulation and/or cooling is received radially about the heating energy source extending along the lowest portion. Other aspects are contemplated. | 07-23-2009 |
| 20090308607 | SYSTEM AND METHOD FOR MAINTAINING OPERABILITY OF A DOWNHOLE ACTUATOR - A technique is provided for facilitating actuation of downhole components by filtering actuation fluid and by preventing inoperability due to plugging. A well component is deployed downhole into a wellbore and operated via an actuator moved by a flow of fluid. A filter system is mounted in the flow of fluid to remove debris before the flow of fluid reaches the actuator. The filter system further comprises a pressure release member that opens when sufficient pressure builds up due to plugging of the filter system. | 12-17-2009 |
| 20090173496 | Apparatus for Reducing Water Production in Gas Wells - Production of liquids into a production string is regulated at inlets to the production string. An annular space is defined between a base pipe and a surrounding screen. The base pipe has inlets near one end of the screen and an overlaying shroud that spans over the screen and the inlet to the base pipe so as to define a restricted annular path to the base pipe opening and within the screen. A porous material is placed in the annular space and extends over the base pipe opening. If gas with liquid is produced, the gas having a lower density and viscosity preferentially gets through the porous media while the denser and more viscous water or other liquid is kept out due to greater resistance to flow offered by the porous media. | 07-09-2009 |
| 20120006543 | DOWNHOLE OIL-WATER-SOLIDS SEPARATION - A technique facilitates separating fluids and solids and handling the separated solids downhole. A separator system is provided with a separator having a well fluid inlet, an oil stream passage, a water stream passage, and a solids passage. The separator operates to separate well fluid into substantially oil, water, and solids components and those components are directed to the corresponding passages. A flow restrictor may be used in cooperation with the separator to facilitate separation of the well fluid components. | 01-12-2012 |
| 20090065201 | Methods of formulating drilling cements 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 products are used in formulating cements for fabricating drilled well casings. | 03-12-2009 |
| 20100288494 | MICROWAVE-PROMOTED DESULFURIZATION OF CRUDE OIL - Heavy crude oils having high sulfur content and viscosities are upgraded by a hydrodesulfurization (HDS) process that includes microwave irradiation of a mixture of the sour heavy crude oil with at least one catalyst and optionally, one or more sensitizers, and irradiation in the presence of hydrogen. The process is also adapted to microwave treatment of hard to break emulsions, either above ground or below ground where water-in-oil emulsions are initially formed, followed by the catalytic hydrodesulfurization promoted by application of further microwave energy to the demulsified crude oil stream. | 11-18-2010 |
| 20120160482 | Damper Cartridge For Launching Plugs In Cementing Operations - An apparatus for use in launching cement plugs in a well cementing operation, comprising: a cylinder ( | 06-28-2012 |
| 20100258306 | ELECTRICAL SUBMERSIBLE PUMPING SYSTEM WITH GAS SEPARATION AND GAS VENTING TO SURFACE IN SEPARATE CONDUITS - A technique enables independent lifting of fluids in a well. The technique utilizes an electric submersible pumping system which is disposed in a wellbore and encapsulated by an encapsulating structure. The encapsulating structure has an opening through which well fluid is drawn to an intake of the electric submersible pumping system. A dual path structure is positioned in cooperation with the electric submersible pumping system and the encapsulating structure to create independent flow paths for flow of a gas component and a remaining liquid component of the well fluid. The independent flow paths also are arranged to prevent contact between the well fluid components and a surrounding wellbore wall. | 10-14-2010 |
| 20120325468 | FLUID MIGRATION SHUT-OFF - A downhole assembly, including a line operatively arranged to carry a first fluid, and a trap arranged in fluid communication with the line, the trap operatively arranged to enable the first fluid to flow in a first direction, while capturing a second fluid in a compartment, thereby preventing migration of the second fluid through the line in a second direction opposite to the first direction. | 12-27-2012 |
| 20130014944 | CELLULAR PUMP - A downhole fluid separation assembly, including a body having greater affinity to a first fluid than a second fluid. The body is operatively arranged with openings for enabling fluid flow therethrough. A member is included that is movable with respect to the body and operatively arranged to compress a section of the body adjacent to the member for urging fluid out of the body and toward a target location. The body is configured to expand when not adjacent to the member for enabling fluid to reenter the body. A method of separating fluids is also included. | 01-17-2013 |
| 20080236821 | MONITORING AND AUTOMATIC CONTROL OF OPERATING PARAMETERS FOR A DOWNHOLE OIL/WATER SEPARATION SYSTEM - A method for operating a downhole oil water separator and electric submersible pump includes measuring fluid pressure proximate one of the pump intake, separator intake and a bottom of a wellbore. At least one of flow rate and pressure is measured at the separator water outlet. Pump and a water outlet restriction are controlled to maintain an optimum fluid pumping rate and an optimum injection rate of separated water. A flow control system includes a controllable valve disposed in a water outlet of the separator. At least one of a pressure sensor and a flowmeter is operatively coupled to the water outlet. A controller is in signal communication with the at least one of a pressure sensor and flowmeter and in operative communication with the valve. The controller operates the valve to maintain at a selected pressure and/or a selected flow rate through the water outlet. | 10-02-2008 |
