Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8167047 | Method and apparatus for wellbore fluid treatment An apparatus for fluid treatment of a borehole includes: a tubing string having a long axis and an upper end, a first, second and third ports opened through the wall of the tubing string; packers operable to seal about the tubing string and mounted on the tubing str... | 05/01/2012 |
| 8118100 | Debris protection for sliding sleeve Sliding sleeve mechanisms including protective sheaths for debris protection are disclosed. Protective sheaths can be formed from materials such as composites, metal, foil, rubber, plastic, glass, ceramic, wire mesh, tape, etc. The protective sheaths can be substant... | 02/21/2012 |
| 7748460 | Method and apparatus for wellbore fluid treatment A tubing string assembly for fluid treatment of a wellbore includes substantially pressure holding closures spaced along the tubing string, which each close at least one port through the tubing string wall. The closures are openable by a sleeve drivable through the ... | 07/06/2010 |
| 7533727 | Oil well completion tool having severable tubing string barrier disc An oil well completion tool having a tubular assembly defining an elongated main passage is adapted to be connected to a multiple-section tubing string within an oil well casing. A severable plug is mounted in the tubular assembly in normal blocking relationship to ... | 05/19/2009 |
| 7431091 | Method and apparatus for wellbore fluid treatment A tubing string assembly for fluid treatment of a wellbore includes substantially pressure holding closures spaced along the tubing string, which each close at least one port through the tubing string wall. The closures are openable by a sleeve drivable through the ... | 10/07/2008 |
| 7353961 | Outlet box knockout An electrical outlet box molded of plastic material has a knockout arrangement in a box wall that is formed by inner, intermediate and outer circular grooves that are eccentrically positioned to overlap at a tangent location and define inner, intermediate and outer ... | 04/08/2008 |
| 7353879 | Biodegradable downhole tools A disposable downhole tool or a component thereof comprises an effective amount of biodegradable material such that the tool or the component thereof desirably decomposes when exposed to a wellbore environment. In an embodiment, the biodegradable material comprises ... | 04/08/2008 |
| 7350582 | Wellbore tool with disintegratable components and method of controlling flow The present invention generally provides a pressure isolation plug for managing a wellbore with multiple zones. The pressure isolation plug generally includes a body with a bore extending therethrough, a first disintegratable ball sized and positioned to restrict up... | 04/01/2008 |
| 7350598 | Downhole tool A downhole tool for use within a well comprising a body having an external diameter smaller than the diameter of the well so as to form an annular gap between the body and the interior surface of the well. A first downhole fluid passage having an upper inlet and a l... | 04/01/2008 |
| 7322432 | Fluid diverter tool and method The present invention relates to a diverter tool used in a pipe string used to lower a liner and a cutting apparatus on the end thereof into a partially cased wellbore. The diverter tool has a diverter body that defines a longitudinal flow passage and has the divert... | 01/29/2008 |
| 7267178 | Fluid system component with sacrificial element A fluid system component is provided that is implemented as a section of metal pipe having a predetermined wall thickness and including a sacrificial element intended to preferentially fail upon the occurrence of certain predefined conditions. The sacrificial elemen... | 09/11/2007 |
| 7267177 | Tubing fill and testing valve The present invention provides for a valve in a tubing string that allows the tubing string to fill with well fluids as the string is assembled and lowered into a well bore, but can be used to check pressure integrity of the tubing string during various stages of th... | 09/11/2007 |
| 7255178 | Drillable bridge plug A method and apparatus for use in a subterranean well is described. The apparatus typically includes a mandrel and a packing element. The mandrel may have an outer surface and a non-circular cross-section and a the packing element may be arranged about the mandrel, ... | 08/14/2007 |
| 7243728 | Sliding sleeve devices and methods using O-ring seals as shear members Devices and methods for releasably securing components of a device having a sliding sleeve arrangement to prevent premature actuation due to vibration. In a currently preferred embodiment, standard elastomeric O-rings are used as shear members. The O-ring shear memb... | 07/17/2007 |
| 7234522 | Apparatus and method for drilling a wellbore with casing and cementing the casing in the wellbore A float system for use in cementing a casing in a wellbore. The wellbore is drilled with a drill bit attached to the casing. The drill bit is removed after the wellbore is drilled. The float system is lowered into the casing after the drill bit is removed. The float... | 06/26/2007 |
| 7191830 | Annular pressure relief collar The present invention is an apparatus for relieving annular fluid pressure between nested casing strings. The invention includes a pressure relief collar formed of a cylindrical housing and a set of end connections disposed on opposite sides of the cylindrical housi... | 03/20/2007 |
| 7188058 | Method of load and failure prediction of downhole liners and wellbores A dynamic range relaxation algorithm is applied to simulate borehole failure under a variety of stress conditions. The borehole and its neighborhood are modeled by a number of regions by a plurality of interconnected nodes. The bonds between the nodes may be modeled... | 03/06/2007 |
| 7178599 | Subsurface safety valve A subsurface safety valve assembly for controlling fluid flow in a wellbore. In one embodiment, the subsurface safety valve assembly includes a tubular member having a longitudinal bore extending therethrough, a flapper removably connected to the tubular member. The... | 02/20/2007 |
| 7168492 | Wellbore annulus flushing valve The invention relates to downhole wellbore apparatus and particularly, but not exclusively, to apparatus for use in wellbore cleaning operations. A downhole tool (2) comprises a body (4) having a bore extending longitudinally therethrough, wherein the ... | 01/30/2007 |
| 7159667 | Method of coupling a tubular member to a preexisting structure First and second members, representatively first and second portions of a collet assembly, are removably coupled to one another by aligning slots in the first member with slots in the second members to form opposing slot pairs into which coupling members are inserte... | 01/09/2007 |
| 7152674 | Disconnect devices A disconnect device for use as part of a tubing string downhole in an oil or gas well and which comprises a tubular body, at least one slip held within the tubular body, and a sleeve housed within the tubular body to hold the at least one slip in coupling engagement... | 12/26/2006 |
| 7150326 | Bi-directional ball seat system and method The present invention provides a bi-directional ball seat and method of use. In at least one embodiment, the present invention provides a fluid control system that includes a radial protrusion that can be selectively engaged and disengaged upstream and/or from a bal... | 12/19/2006 |
| 7108067 | Method and apparatus for wellbore fluid treatment A tubing string assembly for fluid treatment of a wellbore includes substantially pressure holding closures spaced along the tubing string, which each close at least one port through the tubing string wall. The closures are openable by a sleeve drivable through the ... | 09/19/2006 |
| 7108071 | Automatic tubing filler Methods and apparatus for filling a tubing string as it is lowered into a subterranean hydrocarbon well. In one embodiment, an apparatus to fill a tubular with fluid in a wellbore comprises a housing defining a central bore. An aperture formed in the housing provide... | 09/19/2006 |
| 7093664 | One-time use composite tool formed of fibers and a biodegradable resin The present invention is directed to disposable composite downhole tool formed of a resin-coated fiber. The fiber is formed of a degradable polymer, such as a poly(lactide) or polyanhydride. The resin is formed of the same degradable polymer as the fiber. It chemica... | 08/22/2006 |
| 7090027 | Casing hanger assembly with rupture disk in support housing and method A casing hanger support assembly supports an inner casing string within a well containing an outer casing string and a production tubing string. The casing hanger support housing supports the casing hanger in the well, with a casing hanger being secured to an upper ... | 08/15/2006 |
| RE39209 | Production fluid control device and method for oil and/or gas wells A device and method for selectively controlling the flow of production fluid through a tubing string in an oil and gas well according to which a housing is connected to a tubing string for insertion into the well, and well fluid is passed from the ground surface int... | 08/01/2006 |
| 7066251 | Hydraulic jar lock An internal, positive engagement lock that locks a tool, such as a hydraulic drilling jar, in the fully open position when the tool is racked back and when tripping in and out of the hole close to the surface. The lock mechanism is spring biased into a locked positi... | 06/27/2006 |
| 7063152 | Model HCCV hydrostatic closed circulation valve Devices and methods for methods for cleaning of excess cement from a production assembly as well as from the annulus surrounding the production assembly. A hydrostatic closed circulation valve (HCCV) assembly is described that is primarily actuatable between open an... | 06/20/2006 |
| 7063143 | Docking station assembly and methods for use in a wellbore The present invention provides apparatus and methods for controlling and/or powering downhole components without the need for control and/or power lines extending from the components to the surface of the well and without the need for power or control lines to be in... | 06/20/2006 |
| 7055605 | Downhole circulation valve operated by dropping balls A downhole tool (10) for selectively circulating fluid in a borehole is disclosed. The tool operates via the use of a combination of deformable drop balls (36) and smaller hard drop balls (40). In use a deformable drop ball (36) moves a s... | 06/06/2006 |
| 7032668 | Cementing system and method for wellbores The present invention provides a cementing system and method for wellbores by cementing an annulus between a wellbore casing and a wellbore. In at least one embodiment, the invention includes a landing collar defining a restricted passage, a wellbore casing defining... | 04/25/2006 |
| 7028778 | Fluid system component with sacrificial element A fluid system component is provided that is implemented as a section of metal pipe having a predetermined wall thickness and including a sacrificial element intended to preferentially fail upon the occurrence of certain predefined conditions. The sacrificial elemen... | 04/18/2006 |
| 7025131 | Electrical tubing control and remediation apparatus and method of use The method of operating a subsurface safety valve and preventing or remediating the formations of hydrate, wax, or paraffin solids in the well bore of an oil or gas well comprising coating the external area of the intermediate portion of a string of tubing to electr... | 04/11/2006 |
| 7021385 | Method and apparatus for controlling well pressure in open-ended casing A system and method for preventing blowouts during the deployment of a casing string into a wellbore. The system includes securing a casing coupling to a casing string and securing a retrievable check valve within the casing coupling. The retrievable check valve all... | 04/04/2006 |
| 7021389 | Bi-directional ball seat system and method The present invention provides a bi-directional ball seat and method of use. In at least one embodiment, the present invention provides a fluid control system that includes a radial protrusion that can be selectively engaged and disengaged upstream and/or from a bal... | 04/04/2006 |
| 6966368 | Plug and expel flow control device Devices and methods for fluid flow control within a production tubing string wherein a temporary flow blockage is established and selectively removed from the tubing string so that pressure testing or operation of a hydraulic tool within the string may be performed.... | 11/22/2005 |
| 6962214 | Rotary seal for directional drilling tools A rotary valve assembly for a rotary steerable tool is disclosed for directing flow of an abrasive laden drilling fluid; the valve assembly has a first sealing surface rotatably engaging a second sealing surface. At least one of the surfaces has at least about 5% of... | 11/08/2005 |
| 6962215 | Underbalanced well completion Equipment and methods which may be used in conjunction with an underbalanced well completion. In a described embodiment, a valve for use in a subterranean well in conjunction with a tool conveyed through the valve in a container is provided. The valve includes a pas... | 11/08/2005 |
| 6959762 | Method and apparatus for formation damage removal A method for evaluating the permeability and formation damage in the porous rock around a well bore. This method relates to the use of a single string coiled tubing and a down hole assembly which includes a microcontroller, an electrically operable fluid control val... | 11/01/2005 |
