Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
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| Number | Title | Issue Date |
| 8157022 | Apparatus string for use in a wellbore An apparatus string for use in a wellbore has a plurality of activation modules having first and second ends and containing devices to be activated/initiated downhole. An apparatus string also has a plurality of initiator modules where at least initiator is operativ... | 04/17/2012 |
| 8136608 | Mitigating perforating gun shock A wellbore tool string includes a perforating gun having a plurality of explosive perforating charges and a shock mitigation tool. The shock mitigation tool including a tubular body having a top end, a bottom end, and a chamber; a barrier disposed proximate the bott... | 03/20/2012 |
| 7721820 | Buffer for explosive device A buffering device for use in conjunction with a downhole tool string, wherein the tool string includes a ballistics device. The buffering device includes a mandrel attached within a tool string and proximate to the ballistics device. An anchor is disposed on the ma... | 05/25/2010 |
| 7387156 | Perforating safety system A perforating safety system. A perforating safety system includes a detonation transfer interrupter with a device which decreases an axial separation between detonation transfer components after installation of the interrupter in the well. Another perforating safety... | 06/17/2008 |
| 7360599 | Debris reduction perforating apparatus and method for use of same A perforating apparatus (100) includes a plurality of shaped charges (102) each having a case, an initiation end and a discharge end. A detonating cord (116) is operably associated with the initiation ends of the shaped charges (102). An ... | 04/22/2008 |
| 7350448 | Perforating apparatus, firing assembly, and method A firing assembly for activating a perforating device comprising a module having a first chamber and a second chamber. The firing assembly comprises a firing head for transferring ballistic energy to the perforating device, said firing head having a detonator and a ... | 04/01/2008 |
| 7301750 | Electronic switching system for a detonation device, method of operation and explosive device including the same An apparatus for electronically switching a detonation device is configured to arm an energy source upon receiving a first signal and discharge the energy source to the detonation device upon receiving and validating a second signal. An explosive device comprising a... | 11/27/2007 |
| 7287589 | Well treatment system and method A well treatment system of the present invention includes a housing forming a sealed surge chamber, and a surge charge disposed within the sealed surge chamber, wherein the surge charge is adapted upon activation to penetrate the housing and to not penetrate materia... | 10/30/2007 |
| 7284612 | Controlling transient pressure conditions in a wellbore A method and apparatus for use in a wellbore includes running a tool string to an interval of the wellbore, and activating a first component in the tool string to create a transient underbalance pressure condition in the wellbore interval. Additionally, a second com... | 10/23/2007 |
| 7283061 | Method and system for performing operations and for improving production in wells A method for performing operations and for improving production in a well includes the steps of: providing radio identification devices at known locations in the well, and providing a reader device configured to read the identification devices, and to control the op... | 10/16/2007 |
| 7246659 | Damping fluid pressure waves in a subterranean well A system and method of damping fluid pressure waves in a subterranean well. In a described embodiment, pressure waves are damped by positioning a dampener in the well during a perforating operation. The dampener may attenuate the pressure waves by absorbing the pres... | 07/24/2007 |
| 7246548 | Well perforating gun Embodied herein is a perforating gun wall that withstands short, high energy pulses of an explosion retained within a loading tube with numerous explosive shaped charges. The perforating gun wall includes two or more layers with an impact strength sufficient to main... | 07/24/2007 |
| 7210524 | Perforating gun quick connection system A connection system to be used in conjunction with a perforating gun comprising a top sub formed to receive one end of a gun body of a perforating gun, a circumferential groove disposed on the outer surface of the gun body, and a collet secured to the top sub. The c... | 05/01/2007 |
| 7195066 | Engineered solution for controlled buoyancy perforating The weight of a shaped charge carrier is predetermined as a buoyancy control parameter for perforating guns. Each charge carrier comprises a co-axial assembly of inner and outer carrier units. Both carrier units may be fabricated from low density metals or composite... | 03/27/2007 |
| 7171309 | Downhole tool controller using autocorrelation of command sequences The present invention provides for an apparatus and method of use to control a downhole tool remotely based on the autocorrelation of command sequences. Repeating signals of a priori unknown or undefined shape can be correlated to themselves to reliably distinguish ... | 01/30/2007 |
| 7121340 | Method and apparatus for reducing pressure in a perforating gun An apparatus for reducing the post-detonation pressure of a perforating gun, the apparatus including a perforating gun carrying at least one explosive charge, wherein when the explosive charge is detonated the explosive charge produces a pressurized detonation gas, ... | 10/17/2006 |
| 7100511 | Dual redundancy system for electronic detonators A detonator assembly (10) comprising a housing (12) disclosed and claimed. The assembly comprises an main circuit (11) comprising an electrically operable fuse (16) located in the housing. The assembly further comprises at least a first r... | 09/05/2006 |
| 6992877 | Electronic switching system for a detonation device An apparatus for electronically switching a detonation device is configured to arm an energy source upon receiving a first signal and discharge the energy source to the detonation device upon receiving and validating a second signal. An explosive device comprising a... | 01/31/2006 |
| 6966378 | Method and apparatus for perforating a well The present invention provides for a perforating gun having stackable sections that latch, enabling the gun string to carry both compressive and tensile loads. This allows for the downhole assembly of guns of any desired length, and for the entire gun string to be r... | 11/22/2005 |
| 6966377 | Providing a low pressure condition in a wellbore region An apparatus and method includes positioning a string in a wellbore, the string having a surge chamber. A closure member is provided below the well surface, with the surge chamber defined at least in part by the closure member. At least one port to the chamber is op... | 11/22/2005 |
| 6926096 | Method for using a well perforating gun The invention relates to a method to use a perforating gun in oil and natural gas wells, comprising: a perforating gun with a loading tube and explosive charge; the gun comprises: a first layer disposed over the loading tube and at least one outer layer in engagemen... | 08/09/2005 |
| 6918334 | Perforating gun firing head with vented block for holding detonator A firing head for a perforating gun includes a detonating block having a first end and a second end, with the second end being structured and arranged so as to be located adjacent to a detonation material. A central passage extends through the detonating block from ... | 07/19/2005 |
| 6896059 | Components and methods for use with explosives An apparatus and method is provided to reduce interference resulting from activation of explosive devices. To reduce interference, one or more shock impeding elements are placed proximal one or more explosives to impede propagation of shock caused by detonation of t... | 05/24/2005 |
| 6874579 | Creating an underbalance condition in a wellbore An apparatus and method of perforating and surging a section of the wellbore includes running a perforating gun into the well on a string having an isolation valve above the perforating gun, closing the valve, and perforating the well with the isolation valve closed... | 04/05/2005 |
| 6742602 | Perforating gun firing head with vented block for holding detonator A firing head for a perforating gun includes a detonating block having a first end and a second end, with the second end being structured and arranged so as to be located adjacent to a detonation material. A central passage extends through the detonating block from ... | 06/01/2004 |
| 6561274 | Method and apparatus for unloading well tubing A system for unloading fluids from a generally upright tubular member of a wellbore wherein a combustible fuel cell can be placed in the tubular member below the fluid and ignited to generate gasses. The gasses generated by the burning of the fuel cell ca... | 05/13/2003 |
| 6554081 | Components and methods for use with explosives An apparatus and method is provided to reduce interference resulting from activation of explosive devices. One type of interference is charge-to-charge interference, and another type of interference is pre-shock interference between a detonating cord and ... | 04/29/2003 |
| 6435278 | Firing head/perforating gun latching system and associated methods A latching system permits a firing head to be lowered into a wellbore and reliably coupled to a perforating gun previously lowered into the wellbore. In a disclosed embodiment thereof, the latching system includes a tubular collar associated with the firi... | 08/20/2002 |
| 6412573 | System for indicating the firing of a perforating gun A system for use in a subterranean well includes a tubing, a perforating gun, a detonator and circuitry. The detonator is adapted to fire the perforating gun. The circuitry is adapted to determine whether the perforating gun has fired and based on the det... | 07/02/2002 |
| 6298924 | Safety method and apparatus for a perforating gun An apparatus for use in a subterranean well includes a downhole energy source, a first switch, a second switch, a detonator, a first controller and a second controller. The first switch has a first predetermined state to transfer energy from the energy so... | 10/09/2001 |
| 6213203 | Lock mechanism for use with a downhole device A downhole device and method for performing a function in a well. The device has a series of dedicated hydro-mechanical locks that prevent occurrence of an associated function. The hydro-mechanical locks are capable of being released directly by a respect... | 04/10/2001 |
| 6182750 | Device for performing downhole functions A downhole device and method for performing a function in a well. The device has a series of dedicated hydro-mechanical locks that prevent occurrence of an associated function. The hydro-mechanical locks are capable of being released directly by a respect... | 02/06/2001 |
| 6179064 | System for indicating the firing of a perforating gun A system for use in a subterranean well includes a tubing, a perforating gun, a detonator and circuitry. The detonator is adapted to fire the perforating gun. The circuitry is adapted to determine whether the perforating gun has fired and based on the det... | 01/30/2001 |
| 6105688 | Safety method and apparatus for a perforating gun An apparatus for use in a subterranean well includes a downhole energy source, a first switch, a second switch, a detonator, a first controller and a second controller. The first switch has a first predetermined state to transfer energy from the energy so... | 08/22/2000 |
| 6095258 | Pressure actuated safety switch for oil well perforating A perforating gun assembly for perforating wellbores, comprising a shaped charge carrier assembly, a detonating cord for initiation OF shaped charges in the carrier assembly, an initiator attached to the detonating cord for initiating the cord on applicat... | 08/01/2000 |
| 6062310 | Full bore gun system A tubing conveyed perforating apparatus is shown which includes a tubular assembly made up of a plurality of tubular sections. A plurality of explosive charges are located within the interior bore of at least two of the tubular sections of the tubular ass... | 05/16/2000 |
| 6053111 | Surface safe rig environment detonator The present invention is an explosive device for use in a subterranean well, the downhole portion of the well being at a higher temperature than the surface, the explosive device comprising an explosive, an electrically conductive circuit capable of suppl... | 04/25/2000 |
| 6035880 | Pressure activated switch valve A pressure activated valve and associated methods of using same provide increased functionality and convenience in actuating a tool operatively positioned within a subterranean well. In a described embodiment, a switch valve is utilized to control actuati... | 03/14/2000 |
| 5887654 | Method for performing downhole functions A downhole device and method for performing a function in a well. The device has a series of dedicated hydro-mechanical locks that prevent occurrence of an associated function. The hydro-mechanical locks are capable of being released directly by a respect... | 03/30/1999 |
| 5700968 | Perforating gun brake A perforating gun brake includes a tubular housing, an annular piston and a mandrel. A first end of the piston is telescopically received in an interior bore at a second end of the tubular housing. The mandrel extends through an interior bore of the pisto... | 12/23/1997 |
