Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7441595 | Method and apparatus for single-run formation of multiple lateral passages from a wellbore A method and apparatus for forming multiple lateral passages from a wellbore into a subsurface earth formation to facilitate enhancement of the production of oil, gas, heavy oil or minerals from the formation. A plurality of lateral passages are formed from a wellbo... | 10/28/2008 |
| 7252150 | Downhole tool A downhole tool including a selectively releasable joint, a downhole drilling assembly including the downhole tool, and a corresponding method. In one embodiment of the invention, a downhole drilling assembly includes a downhole tool having a first body and a second... | 08/07/2007 |
| 7225870 | Hydraulic tools for setting liner top packers and method for cementing liners Embodiments of the present invention relate to hydraulic tools which may be used to set a liner top packer and/or may be used to resist the lifting forces of cementing pack-offs. One embodiment of a tool string for use in wellbore operations comprises a hydraulic an... | 06/05/2007 |
| 7219742 | Method and apparatus to complete a well having tubing inserted through a valve A method and apparatus for inserting a small diameter continuous hydraulic conduit or capillary tube down a well bore is presented. The methods and apparatus allow either the injection of chemicals to enhance production of oil and gas, or to provide a conduit for pr... | 05/22/2007 |
| 7191829 | Gripper assembly for downhole tools A gripper assembly for anchoring a tool within a downhole passage and for possibly assisting movement of the tool within the passage. The gripper assembly includes an elongated mandrel and flexible toes that can be radially displaced to grip onto the surface of the ... | 03/20/2007 |
| 7140453 | Pipe handling apparatus An apparatus for moving and handling tubulars has a stinger (21) slidably mounted on a frame which stinger comprises a rod or tube the end of which is adapted to fit within the pipe (20) to be moved, a gripping means (23) on the end of the sting... | 11/28/2006 |
| 7121350 | Torque anchor An anchor to inhibit rotation of a device relative to an oil well casing, comprising a tubular mandrel adapted for direct or indirect connection to the device; a rotatable cylindrical housing with a plurality of apertures and able to receive at least a portion of th... | 10/17/2006 |
| 7036580 | Downhole motor lock-up tool The present invention relates to downhole apparatus for limiting rotation of a rotor (4) relative to a stator (8) associated with said rotor (4). Apparatus according to the invention is provided with a locking member (12) movable from a f... | 05/02/2006 |
| 7000704 | Latch profile installation in existing casing A method of installing an internal latch profile in an existing tubular string does not require the use of a packer. In a described embodiment, a method of latch installation includes the step of deforming an interior surface of the tubular string after the tubular ... | 02/21/2006 |
| 6968904 | Method and apparatus for operations in underground/subsea oil and gas wells A method and apparatus for advancing a rotating motorized downhole tool for operations in oil/gas wells. The apparatus is adapted for drilling and milling away of casing sections in the wells, as preparation for plugging the same. The apparatus includes a rotating t... | 11/29/2005 |
| 6948561 | Indexing apparatus An indexing mechanism is disclosed that can put a tool in a variety of positions while downhole in the face of high static and dynamic loads. In the preferred application, the mechanism controls a movable sleeve on a downhole choke. It contains an indexing feature c... | 09/27/2005 |
| 6915846 | Production tubing joint A production tubing joint is disclosed for a well comprising a barrel forming an upper tubing section and connected to the tubing hanger, a tubing connector within the barrel having a lower end connected to a lower tubing section of the production tubing string, a l... | 07/12/2005 |
| 6907935 | Latch profile installation in existing casing A method of installing an internal latch profile in an existing tubular string does not require the use of a packer. In a described embodiment, a method of latch installation includes the step of deforming an interior surface of the tubular string after the tubular ... | 06/21/2005 |
| 6899174 | Floating instrument insert for a tool An instrument insert for a tool of the type comprising an inner member extending within an outer member, the inner and outer members being capable of relative longitudinal movement. The insert includes a first insert portion comprising a first instrument component o... | 05/31/2005 |
| 6808022 | Latch profile installation in existing casing A method of installing an internal latch profile in an existing tubular string does not require the use of a packer. In a described embodiment, a method of latch installation includes the step of deforming an interior surface of the tubular string after the tubular ... | 10/26/2004 |
| 6516878 | Downhole tension swivel sub A downhole equipment for use in the gas and oil drilling industry includes a first elongate member arranged in telescopic relation with a second elongate member, the elongate members being moveable relative to one another between a retracted position in w... | 02/11/2003 |
| 6513601 | Method for setting a packer in a well bore, and a packer The invention relates to a method for setting a packer (7) in a well bore (1), wherein a production tubing (4) with a packer (7) is located in the well bore (1). Abrading means (11) of the packer (7) is radially expanded and rotated, for rounding the well... | 02/04/2003 |
| 6289986 | Pump rod drive and torque release mechanism A pump rod drive and torque release mechanism for use in association with a downhole pump positioned within a well. The pump rod drive and torque release mechanism comprises a central housing having a generally hollow interior, a drive shaft received with... | 09/18/2001 |
| 6257333 | Reverse flow gas separator for progressing cavity submergible pumping systems A system for separating gas from a wellbore fluid as it is produced to the surface. The system includes a progressing cavity pump, a submergible electric motor and a fluid intake. The submergible electric motor is connected to the progressing cavity pump ... | 07/10/2001 |
| 6199635 | Shifting apparatus and method for use in tubular strings for selective orientation of tubular strings below the shifting apparatus This invention relates to a shifting apparatus and method for use with a tubular string set in a well for unlocking, selective orientation and relocking of sections of the tubular string below the shifting apparatus of this invention, while the tubular st... | 03/13/2001 |
| 6189610 | Anchoring tool An anti-rotation device prevents right-hand rotation of a tubing string within a stationary well casing. The device includes a tubular housing connected inline with the tubing string. A fixed jaw configured for gripping the well casing projects outwardly ... | 02/20/2001 |
| 6009942 | Wye block having a rotary guide incorporated therein A wye block apparatus provides selective physical access to multiple downhole tubing strings while permitting fluid communication with each of them. In a described embodiment, a wye block apparatus is resistant to malfunction due to debris therein, in sub... | 01/04/2000 |
| 5832997 | Retrievable milling guide anchor apparatus and associated methods In a parent wellbore casing, full bore access to the portion of the casing beneath a lateral bore liner portion therein is provided using a specially designed tubular retrievable anchor assembly hydraulically set within the casing above the liner portion ... | 11/10/1998 |
| 5697768 | Downhole swivel A method and apparatus is disclosed which reduces or removes axial loads on the drive string of a rotary downhole pump, i.e. tensile loads due to the hydrostatic load of the pumped liquid on the pump rotor, and/or at least part of the weight of the drive ... | 12/16/1997 |
| 5669457 | Drill string orienting tool A drill string orienting tool for insertion into a well bore includes a housing that has a plurality of inwardly projecting splines. A mandrel is disposed within the housing. The orienting tool has two operating positions, a running position, and an orien... | 09/23/1997 |
| 5531112 | Fluid holdup tool for deviated wells A production logging tool is provided for use within a well to determine fluid holdup of a multiphase fluid flow within the well. The production logging tool includes a plurality of sensors secured within a plurality of arms which radially extend from a t... | 07/02/1996 |
| 5503224 | Casing drive apparatus There is a need for a device for driving plastic casing into a water well, or for removing such casing from the well without damaging the casing. This need is met by a casing drive apparatus which includes a shoe for attachment to the bottom end of a plas... | 04/02/1996 |
| 5431230 | Slant wellbore tubing anchor catcher with rotating mandrel A crooked, slanted, cased wellbore extends downhole to a pay zone which is produced by a rod actuated downhole pump that lifts fluid from the bottom of the wellbore up through a tubing string to a wellhead. The pump is seated in a pump cavity, and the tub... | 07/11/1995 |
| 5429188 | Tubing rotator for a well An improved tubing rotator is mounted to the casing bowl of a well, for rotating a tubing string extending down the well. A swivel dognut assembly is provided, comprising inner and outer sleeves. The tubing string is suspended from the inner sleeve which ... | 07/04/1995 |
| 5404944 | Downhole makeup tool for threaded tubulars A downhole tool for making up threaded connections between lower and upper tubulars within a well bore includes a lower anchoring member, an upper anchoring member, and a drive member including a movable piston assembly. A plurality of straight splines on... | 04/11/1995 |
| 5383519 | Apparatus for rotating a tubing string of a pumping wellhead An apparatus for rotating a tubing string of a pumping wellhead is described which includes a housing having a first end, a second end, and an interior. The first end has a stationary external coupling communicating with the interior. The second end is ad... | 01/24/1995 |
| 5373898 | Rotary piston well tool A well tool having an elongate circular body with an enclosed fluid bore extending longitudinally therethrough. A fixed plate extends radially between the bore and the body and a rotatable piston extends between the enclosed bore and the body and is rotat... | 12/20/1994 |
| 5339913 | Well orienting tool and method of use A down hole well tool shown in the form of an orienting tool (OT) has mandrel (16) with helical grooves (16a) thereon and a tubular member (20) which telescopically receives the mandrel (16). Keys (22) on tubular member (22) engage in the grooves (16a). M... | 08/23/1994 |
| 5327975 | Tubing anchor catcher with rotating mandrel A cased wellbore extends downhole to a pay zone which is produced by a rod actuated downhole pump that lifts fluid from the bottom of the wellbore up through a tubing string to a wellhead. The pump is seated in a pump cavity, and the tubing string is tens... | 07/12/1994 |
| 5323852 | Torque limiter for auger gravel pack assembly An auger gravel pack screen or other wellbore device is driven by a workstring which includes a torque-limiting device interposed therein to limit the maximum torque exerted on the screen during augering into a gravel packing in a well bore. The torque-li... | 06/28/1994 |
| 5139090 | Tubing rotator with downhole tubing swivel A cased wellbore extends downhole to a pay zone which is produced by a rod actuated downhole pump that lifts fluid from the bottom of the wellbore up through a tubing string to a wellhead. The pump is seated in a pump cavity. The tubing string is tensione... | 08/18/1992 |
| 5137087 | Casing cementer with torque-limiting rotating positioning tool A casing cementer with torque-limiting rotating positioning tool. The casing cementer comprises a housing with a rotating valve sleeve therein. A positioning tool is used to rotated the valve sleeve between open and closed positions thereof. No recipricat... | 08/11/1992 |
| 5024272 | Drill pipe downhole unthreading apparatus An unthreading apparatus is set forth which includes upper and lower mandrels which thread together at a threaded connection which is made of threads having the same pitch as the pipe making up the drill string. There is an internal stem or shaft passing ... | 06/18/1991 |
| 4995464 | Well apparatus and method There is disclosed an offshore well installation wherein a shoulder of a casing hanger body supported within a casing head on a platform at the water surface has been lowered onto a seat in the head so as to support a casing string anchored at its lower e... | 02/26/1991 |
| 4926938 | Rotatable liner hanger with multiple bearings and cones A multiple cone, multiple bearing liner hanger for hanging a well liner for extension of the casing liner. The multiple slip cone and multiple bearing arrangement provides uniform, positive distribution of liner weight thereby facilitating hanging of heav... | 05/22/1990 |
