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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 8020614 | Apparatus for the decomposition of hydrogen peroxide A method and apparatus for the decomposition of hydrogen peroxide, particularly for use as a hydrocarbon well bore and pipeline cleaning and maintenance aid. The apparatus includes a decomposition engine having an inlet manifold extending centrally within the housin... | 09/20/2011 |
| 7424912 | Wellbore treatment apparatus and method A treatment apparatus and method for wellbore instability is described including a caliper with one or more radially extending arms which are capable of extending and retracting movement in a radial direction and a fluid supply facility to deliver treatment fluid fr... | 09/16/2008 |
| 7353871 | Downhole automatic tool release and method of use A release tool adapted to be connected between a perforating gun and a tubing for releasing the perforating gun from the tubing after detonation of the perforating gun, the tool including a housing in connection with the tubing, the housing having an axial bore; an ... | 04/08/2008 |
| 7353869 | System and method for utilizing a skin sensor in a downhole application A system and method is provided for sensing a variety of parameters in well-related environments. A skin sensor is deployed in downhole applications to obtain data used in analyzing well characteristics. ... | 04/08/2008 |
| 7328741 | System for sensing riser motion A riser monitoring assembly is provided to monitor and manage a riser extending between subsea well equipment and a floating vessel. A riser measurement instrument module is connected adjacent a selected portion of the riser provides dynamic orientation data for the... | 02/12/2008 |
| 7284606 | Downhole position locating device with fluid metering feature A tool for multiple purposes features one ore more dogs that can engage a collar groove or restriction sub in the wellbore. The dogs are extendable through a sleeve biased in opposed directions and are supported from a mandrel. The dogs can retract into mandrel groo... | 10/23/2007 |
| 7270177 | Instrumented packer A technique that is usable with a subterranean well includes communicating a fluid into a region of the well and monitoring a level of the fluid communicated via a downhole sensor. The communication is controlled in response to the monitoring. ... | 09/18/2007 |
| 7234410 | Buoyancy control systems for tubes A buoyancy control system for controlling the buoyancy of a tube may includes generally tubular length of buoyancy control material having a selected buoyancy characteristic. The length of buoyancy control material may be attached to a section of the length of the t... | 06/26/2007 |
| 7219730 | Smart cementing systems The present invention provides methods and apparatus for determining the location of an apparatus in a wellbore. The method includes lowering the apparatus with a conveying member and measuring a parameter associated with the conveying member. Thereafter, the measur... | 05/22/2007 |
| RE39583 | Multiple well tool control systems in a multi-valve well testing system having automatic control modes A multi-valve well testing system adapted to be disposed downhole in a borehole, includes a plurality of valves and a plurality of well tool control systems connected, respectively, to the plurality of valves and further includes an automatic control mode feature. T... | 04/24/2007 |
| 7201221 | Wellbores utilizing fiber optic-based sensors and operating devices This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about downhole conditions. Parameters related to the chemicals being used for ... | 04/10/2007 |
| 7195033 | Method and system for determining and controlling position of valve Apparatuses and methods for accurately determining the position of a sliding or rotational sleeve valve in real time are disclosed. The apparatus comprises fiber optic cable based sensors which are either linearly or circumferentially arrayed in the housing that sur... | 03/27/2007 |
| 7159654 | Apparatus identification systems and methods A member having a body, the body having two spaced-apart ends, wave energizable identification apparatus which, in one aspect, is radio frequency identification apparatus with integrated circuit apparatus and antenna apparatus on the exterior of the body, and encase... | 01/09/2007 |
| 7152632 | Systems and methods for pipeline rehabilitation The present disclosure is directed to methods and systems for pipeline rehabilitation. The methods and systems disclosed herein permit the rehabilitation of long lengths of previously installed pipe and minimize the need for creating multiple access points to the pi... | 12/26/2006 |
| 7117947 | Well chemical treatment utilizing plunger lift delivery system An apparatus and method for delivery of treatment chemicals to the bottom of the wellbore. The delivery system can be a chemical dispenser which can be attached to a plunger used in plunger lift operations, a plunger which has been impregnated with treatment chemica... | 10/10/2006 |
| 7083006 | Non-rotating sensor assembly for measurement-while-drilling applications An MWD method and apparatus for determining parameters of interest in a formation has a sensor assembly mounted on a slidable sleeve slidably coupled to a longitudinal member, such as a section of drill pipe. When the sensor assembly is held in a non-rotating positi... | 08/01/2006 |
| 7055601 | Method and system for estimating the position of a movable device in a borehole A method is provided for estimating the position of a movable device in a borehole. The method comprises the steps of: (a) providing a prior location probability distribution associated with a first position of the device in the bo... | 06/06/2006 |
| 7053787 | Slickline signal filtering apparatus and methods A signal filtering apparatus and associated methods enable noise to be significantly reduced or eliminated from a signal. In a described embodiment, the signal is indicative of tension in a slickline. An adaptive filter is used to effectively cancel the noise from t... | 05/30/2006 |
| 7040402 | Instrumented packer A technique that is usable with a subterranean well includes communicating a fluid into a region of the well and monitoring a level of the fluid communicated via a downhole sensor. The communication is controlled in response to the monitoring. ... | 05/09/2006 |
| 7040390 | Wellbores utilizing fiber optic-based sensors and operating devices This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about downhole conditions. Parameters related to the chemicals being used for ... | 05/09/2006 |
| 7040401 | Automated plunger catcher and releaser and chemical launcher for a well tubing method and apparatus An automated plunger catcher and releaser and chemical launcher for a well tubing method and apparatus. In one configuration, arrival of a plunger is sensed as the plunger ascends from the wellbore through the production tubing and a signal is sent to a controller. ... | 05/09/2006 |
| 7037724 | Method for storing and transporting crude oil Disclosed is a method for transporting blended crude oils comprising the steps of; (a) admixing a first crude oil with a second, different crude oil to form a crude oil admixture; (b) determining a first value representing the content of unprecipitated asphaltenes i... | 05/02/2006 |
| 7032675 | Thermally-controlled valves and methods of using the same in a wellbore Methods of operating a downhole tool comprise thermally-controlling the tool by sensing a temperature and controlling the tool in response to the sensed temperature. Thermally-controlled downhole tools comprise a control element responsive to a change in temperature... | 04/25/2006 |
| 7029356 | Buoyancy control systems for tubes Buoyancy control methods for tubes are described. In one embodiment, a buoyancy control method can include a composite tube and a buoyancy control material for controlling the buoyancy of the composite tube. The composite tube can include an internal liner an extern... | 04/18/2006 |
| 7000485 | Flow measurement system with reduced noise and crosstalk A flow measurement system including at least first and second ultrasonic transducers coupled to an existing conduit, a damping material about the conduit between the first and second ultrasonic transducers to prevent crosstalk, a damping material about the conduit u... | 02/21/2006 |
| 7000697 | Downhole measurement apparatus and technique A system that is usable with a subterranean well that has a casing includes an apparatus that is associated with production of fluid from the well and is located downhole in the well in a passageway of the casing. The system also includes a sensor that is located do... | 02/21/2006 |
| 6997256 | Use of fiber optics in deviated flows A system to determine the mixture of fluids in the deviated section of a wellbore comprising at least one distributed temperature sensor adapted to measure the temperature profile along at least two levels of a vertical axis of the deviated section. Each distributed... | 02/14/2006 |
| 6978804 | Systems and methods for pipeline rehabilitation The present disclosure is directed to methods and systems for pipeline rehabilitation. The methods and systems disclosed herein permit the rehabilitation of long lengths of previously installed pipe and minimize the need for creating multiple access points to the pi... | 12/27/2005 |
| 6977597 | Vehicle mounted travel surface and weather condition monitoring system A system and apparatus for detecting and evaluating surface conditions on a road surface and atmospheric conditions simultaneously from a vehicle is disclosed. The system comprises a sensor for detecting the presence of deposited material on a road surface, a detect... | 12/20/2005 |
| 6973936 | Fluid injection system A fluid injection system controls the distribution of fluid from a supply line to a selected well at an adjustable rate. A fluid barrier divides a cylinder into first and second chambers. A multi-position valve comprises a first position for passing fluid from the s... | 12/13/2005 |
| 6962204 | Isolation container for a downhole electric pump An isolation container designed for use with a downhole electric pump assembly commonly used in oil and gas drilling and production operations is disclosed. The isolation container has an annular housing with an axial inlet and outlet bore. A downhole electric pump ... | 11/08/2005 |
| 6962199 | Method for removing condensables from a natural gas stream, at a wellhead, downstream of the wellhead choke The present invention relates to a method for removing condensables from a natural gas stream, at a wellhead, downstream of the wellhead choke thereof. In accordance with the invention there is provided a method for removing condensables from a natural gas stream at... | 11/08/2005 |
| 6957699 | Downhole shut-in tool The invention provides a downhole shut-in tool for obtaining formation pressure data. The tool includes a fast-closing main valve and a pressure-relief valve operable between open and closed positions to effect periodic sealing and release of formation pressure with... | 10/25/2005 |
| 6953088 | Method and system for controlling the production rate of fluid from a subterranean zone to maintain production bore stability in the zone A system and method for controlling the production rate of fluid from a subterranean zone includes monitoring a production stream from the subsurface zone for an amount of particulate matter. The rate of the production stream from the subterranean zone is automatica... | 10/11/2005 |
| 6923273 | Well system The drilling system includes a work string supporting a bottom hole assembly. The work string including lengths of pipe having a non-metallic portion. The work string preferably includes a composite coiled tubing having a fluid impermeable liner, multiple load carry... | 08/02/2005 |
| 6886632 | Estimating formation properties in inter-well regions by monitoring saturation and salinity front arrivals A method and system of monitoring the movement of at least one front in an inter-well region is comprised of: providing a first well representing the origination of at least one front (such as a saturation front or a salinity front); providing one or more monitoring... | 05/03/2005 |
| 6883606 | Differential pressure controller In a production system for producing oil or gas from a well, the production system including a plunger in well tubing, and a motor valve in a sales line connected to a plunger lubricator which connects to the well tubing, a differential pressure controller system in... | 04/26/2005 |
| 6802375 | Method for plugging a well with a resin A method for carrying out well construction, repair and abandonment operations, the method involves introducing a resin into a well and curing the same to form a seal, plug or connection, wherein the cured resin is expanded to at least the volume occupied by the res... | 10/12/2004 |
| 6715551 | Apparatus and methods for applying time lapse VSP to monitor a reservoir Subterranean reservoir monitoring method, computer system with programming code for implementing the method, and computer readable media and data signal embodying such programming code, the method including one or more of: (a) reservoir screening; (b) reservoir mode... | 04/06/2004 |
| 6644403 | Method and device for the measuring physical parameters in a production shaft of a deposit of underground fluid storage reservoir An operating well of a fluid storage reserve, includes an outer wall delimiting, with a central operating tubing of the well, an annular space in which is placed a protective sheath of an electrical link cable between a surface installation and elements a... | 11/11/2003 |
