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| Number | Title | Issue Date |
| 7963326 | Method and apparatus for utilizing pressure signature in conjunction with fall time as indicator in oil and gas wells Disclosed is a method of utilizing a pressure signature in conjunction with a plunger's fall time as an indicator of plunger location. The disclosed method can also indicate well and/or plunger conditions. A controller that can see and interpret slope change and/or ... | 06/21/2011 |
| 7954547 | Gas flow system A gas flow system for removing a liquid from a well bore and allowing for gas production is provided. The gas flow system comprises a casing in the well bore for allowing flow of the liquid and gas; a tubing string in the casing for allowing flow of the liquid and g... | 06/07/2011 |
| 7918275 | Water sensitive adaptive inflow control using couette flow to actuate a valve An apparatus for controlling fluid flow into a wellbore tubular includes a flow control member that selectively aligns a port with an opening in communication with a flow bore of the well bore tubular. The flow control member may have an open position wherein the po... | 04/05/2011 |
| 7870900 | System and method for controlling a progressing cavity well pump A system and method for controlling the speed of a progressing cavity liquid well pump to increase liquid production from a well while avoiding operation of the well in a pumped-off state. A controller controls a variable speed drive to drive a progressing cavity li... | 01/18/2011 |
| 7861777 | Viscometer for downhole pumping A submersible pumping system for use downhole, wherein the system includes a pump, an inlet section for receiving fluid, a pump motor, and a viscometer. Pumping system operating parameters are adjusted based on wellbore fluid viscosity measured by the viscometer. Th... | 01/04/2011 |
| 7836950 | Methods and apparatus to convey electrical pumping systems into wellbores to complete oil and gas wells Methods and apparatus are disclosed for conveying an electrically energized hydraulic pump into a wellbore surrounded by steel casing and thereafter using that hydraulic pump to pump oil, water and gas to the surface of the earth. The apparatus may be used as a well... | 11/23/2010 |
| 7836949 | Method and apparatus for controlling the manufacture of well treatment fluid A method and apparatus for controlling the production of well treatment fluid is disclosed. The apparatus includes: a sand system, a water system, a pumping system, a blender tub, and a virtual rate control system. The method includes determining an output rate from... | 11/23/2010 |
| 7828058 | 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 w... | 11/09/2010 |
| 7828059 | Dual zone flow choke for downhole motors A submersible pumping system for use downhole, wherein the system includes a pump, an inlet section for receiving fluid, a pump motor, and an actively controlled flow restriction device for controlling flow to the submersible pump from an upper fluid producing zone.... | 11/09/2010 |
| 7798215 | Device, method and program product to automatically detect and break gas locks in an ESP A device, method, and program product detect and break an occurrence of gas lock in an electrical submersible pump assembly in a well bore based upon surface or downhole data without the need for operator intervention. The system provides the ability to flush the pu... | 09/21/2010 |
| 7789142 | Downhole gas flow powered deliquefaction pump Methods and systems for removing water from gas wells are described herein. The water is removed by positioning a pump in a liquid layer below the perforations through which gas enters a gas well and powering a water pump with electrical power generated by an energy... | 09/07/2010 |
| 7748450 | Gas wellhead extraction system and method A method and apparatus for automating control, remotely monitoring, and controlling a gas extraction assembly, coupled to a gas pipeline section. The gas extraction assembly may be used to increase gas volume, and/or overall gas flow from productive low or high pres... | 07/06/2010 |
| 7681641 | Plunger lift controller and method A method of controlling a plunger lift system for a well. The method including the steps of: defining a threshold value for a trigger event, the trigger event initiating operation of the control valve by the controller; defining event-value conditions upon which adj... | 03/23/2010 |
| 7624801 | Control system and method for controlling a hybrid petroleum extractor/power generator A control system and control method for controlling a modular apparatus for extracting petroleum and/or generating electricity based on subsurface data as well as market prices of electricity and/or petroleum. One or more probes measure subsurface total pressure, pa... | 12/01/2009 |
| 7621324 | Automated flowback and information system An automated flowback system allows control and operation of the system from a remote location away from the dangers of high-pressure gases or abrasives traveling at high velocities that cause damage or failure to equipment piping valves. The system provides techniq... | 11/24/2009 |
| 7594541 | Pump control for formation testing A downhole formation fluid pumping and a sampling apparatus are disclosed that may form part of a formation evaluation while drilling tool or part of a tool pipe string. The operation of the pump is optimized based upon parameters generated from formation pressure t... | 09/29/2009 |
| 7591308 | Multi gas well production arrangement A method of optimizing fluid (gas/oil) throughput of a battery complex to monitor and control the flow of an individual well in a field of wells at any particular instance in time and to allocate production of a specific well. The method comprises one or more of the... | 09/22/2009 |
| 7484562 | Method and apparatus for controlling a quantity of a specific gas in a group of gases produced from a given well bore This invention relates to a method and apparatus for controlling a gas in a group of gases produced from a reservoir and specifically relates to controlling the amount of methane gas in a group of gases produced from a reservoir. ... | 02/03/2009 |
| 7464753 | Methods and apparatus for enhanced production of plunger lift wells A microcontroller system for oil and gas wells using a plunger lift device, which responds to the variations in well production and operation. The system requires minimal operator input, and is able to calculate the operational cycles and adjustments to maximize wel... | 12/16/2008 |
| 7434619 | Optimization of reservoir, well and surface network systems A method and associated apparatus continuously optimizes reservoir, well and surface network systems by using monitoring data and downhole control devices to continuously change the position of a downhole intelligent control valve (ICV) (12) until a set of ch... | 10/14/2008 |
| 7373976 | Well production optimizing system A method and system for controlling a producing cycle in a well, during the production cycle, for optimizing production from the well including disrupting fluid in a wellbore with a pulse generator to create a pressure pulse transmitted through the fluid in the well... | 05/20/2008 |
| 7370701 | Wellbore completion design to naturally separate water and solids from oil and gas A wellbore completion design is provided, which creates a convective flow action that separates water and sand from hydrocarbons during production of the hydrocarbons from a subterranean formation. A deviated section of the wellbore creates the desired effect. The w... | 05/13/2008 |
| 7370705 | Multiple zone downhole intelligent flow control valve system and method for controlling commingling of flows from multiple zones A production control system having a series of nested tubular members including at least one axial flow channel and at least two annular flow channels. At least one valve configured and positioned to control flow from each flow channel is provided. A producti... | 05/13/2008 |
| 7373285 | Application of phase behavior models in production allocation systems The present invention is directed to a method for allocating revenue or taxes to individual fluid streams commingled during an oil and gas production process, the method includes commingling fluid streams to produce a commingled fluid stream; (2) utilizing a process... | 05/13/2008 |
| 7370697 | Thrust section wear preventor A thrust section for use above a motor preferably includes a housing, a thrust shaft, a thrust runner connected to the thrust shaft, a thrust bearing connected to the housing, and a motor lead guard. The motor is preferably positioned above a pump assembly. The thru... | 05/13/2008 |
| 7360399 | Apparatus for measuring a density and/or a viscosity of a fluid The apparatus includes a sample tank for collecting and quieting a volume fraction of the fluid to be measured. The sample tank is in communication, at least at times, with a fluid containment via a filling line (L1) and a supply line (L2) connected, a... | 04/22/2008 |
| 7360602 | Barrier orifice valve for gas lift Gas lift valve designs and gas lift systems are described that feature a positive closure mechanism that is highly resistant to significant wear or damage that would result in fluid leakage. A pivotable flapper member is incorporated into a gas lift valve and used a... | 04/22/2008 |
| 7353875 | Centrifugal blending system The present invention relates generally to well servicing operations, and, more particularly, to devices, systems and methods useful in stimulation blending for fluids, mixtures, and/or slurries used in well servicing operations. A device, system and/or method is pr... | 04/08/2008 |
| 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 |
| 7350590 | Instrumentation for a downhole deployment valve The present generally relates to apparatus and methods for instrumentation associated with a downhole deployment valve or a separate instrumentation sub. In one aspect, a DDV in a casing string is closed in order to isolate an upper section of a wellbore from a lowe... | 04/01/2008 |
| 7343970 | Real time optimization of well production without creating undue risk of formation instability A system and method is provided for producing fluid from a subterranean formation. A sensor system is used to monitor bottom hole flowing pressure and formation pressure. The relationship of these pressures is utilized in conjunction with a stability envelope of the... | 03/18/2008 |
| 7342371 | System and method for detecting motor run condition A motor control system for detecting motor run condition comprises power switches for connection to an AC line for controlling application of AC power to the motor. An input receives a motor start command. A controller is connected to the input and controls operatio... | 03/11/2008 |
| 7341100 | Piggable separation system An inline well fluid separator is movable for pigging operations. The separator assembly has a housing with an inlet port and an outlet port. A separation unit is carried within the housing. The separation unit has an operational position in alignment with the ports... | 03/11/2008 |
| 7337660 | Method and system for reservoir characterization in connection with drilling operations A method for analyzing reservoir fluids in connection with a drilling operation includes determining composition and isotopes of injection fluids injected into a wellbore during a drilling operation and production fluids recovered from the wellbore during the drilli... | 03/04/2008 |
| 7331469 | Vibratory separator with automatically adjustable beach A vibratory separator having a basket for supporting screen apparatus for treating material, the basket pivotably mounted on a base, vibratory apparatus connected to the basket for vibrating the basket, the material forming a pool on the screen apparatus, and a beac... | 02/19/2008 |
| 7325606 | Methods and apparatus to convey electrical pumping systems into wellbores to complete oil and gas wells Methods and apparatus are disclosed for conveying an electrically energized progressing cavity pump into a wellbore surrounded by steel casing and thereafter using that progressing cavity pump to pump oil, water and gas to the surface of the earth. The progressing c... | 02/05/2008 |
| 7324010 | Acoustic telemetry systems and methods with surface noise cancellation Acoustic telemetry systems and methods with surface noise cancellation. One illustrative embodiment may include an acoustic telemetry system comprising a transmitter configured to generate an acoustic information signal that propagates along a drillstring, and a rec... | 01/29/2008 |
| 7322410 | Controllable production well packer An apparatus and method for operating an electrically powered device in a packer using the piping structure of the well as an electrical conductor for providing power and/or communications. The electrically powered device may comprise an electrically controllable va... | 01/29/2008 |
| 7324011 | Method and system for pipeline communication A pipeline communication system and method includes a pipeline having a surface extending along at least a portion of the length of the pipeline. A conductive bus is formed to and extends along a portion of the surface of the pipeline. The conductive bus includes a ... | 01/29/2008 |
| 7324730 | Optical fiber cables for wellbore applications A cable which includes conductor bundles prepared from at least one optical fiber positioned either centrally or helically about the center axis of the bundle, metallic conductors helically positioned around the bundles center axis, and a polymeric insulation materi... | 01/29/2008 |
