Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 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 |
| 7255182 | Ground drilling tool A back bit (20) is disclosed which is to used in conjunction with drilling equipment (10) which may include a derrick (11), a drilling pipe (12), a back head (14), a starting rod (13), and a cutting bit (15) mounted t... | 08/14/2007 |
| 7096975 | Modular design for downhole ECD-management devices and related methods One or more components of a wellbore drilling assembly utilize a modular construction to facilitate assembly, disassembly, repair and/or maintenance of a wellbore drilling assembly and/or to extend the overall operating capabilities of the drilling assembly. In one ... | 08/29/2006 |
| 6920944 | Apparatus and method for drilling and reaming a borehole A drilling assembly and an eccentric, adjustable diameter reamer are disclosed. The reamer includes cutter elements mounted on at least a first fixed blade for reaming a previously-formed borehole or for forming a borehole of increased diameter beneath an existing c... | 07/26/2005 |
| 6607607 | Coiled tubing wellbore cleanout Method and apparatus for substantially cleaning fill from a borehole, variously including in preferred embodiments disturbing, particulate solids of fill while RIH, entraining particulates while POOH, jetting downhole while RIH and jetting uphole while PO... | 08/19/2003 |
| 6561269 | Canister, sealing method and composition for sealing a borehole Canister, sealing method and composition for sealing a borehole. The canister includes a container with slurry inside the container, one or more slurry exits at one end of the container, a pump at the other end of the container, and a piston inside that p... | 05/13/2003 |
| 6543532 | Electrical surface activated downhole circulating sub A preferred novel circulating sub includes an electric motor, hydraulic intensifier, connecting rod, valve sleeve, valve plug, and angled nozzles. Upon activation of the circulating sub the electric motor drives the valve sleeve over the valve plug, causi... | 04/08/2003 |
| 6349763 | Electrical surface activated downhole circulating sub A preferred novel circulating sub includes an electric motor, hydraulic intensifier, connecting rod, valve sleeve, valve plug, and angled nozzles. Upon activation of the circulating sub the electric motor drives the valve sleeve over the valve plug, causi... | 02/26/2002 |
| 6289999 | Fluid flow control devices and methods for selective actuation of valves and hydraulic drilling tools Flow control devices and associated control methods are described for use with hydraulic tools, such as those in a drill string. The described flow control device is typically incorporated into a drill string and is selectively operable in either a flow-t... | 09/18/2001 |
| 5487431 | Subterranean fluid sampling systems and methods A subterranean sampling system of the direct push type that employes an elongated push tube in combination with hydraulic means to force the push tube down through subterranean strata includes an improved sampler unit which basically includes a sample ret... | 01/30/1996 |
| 5363927 | Apparatus and method for hydraulic drilling A process and apparatus for high pressure drilling are disclosed. The apparatus comprises an essentially solid drill head with horizontally extendable nozzle arms hingedly connected by shear pins thereto. Flow of high pressure fluid both extends the nozzl... | 11/15/1994 |
| 5230390 | Self-contained closure mechanism for a core barrel inner tube assembly A closure mechanism for preventing fluid access to an inner tube of a core barrel assembly is disclosed in which the closure mechanism is configured to move from an open, or unoccluded, condition to an occluded condition in response to increased fluid flo... | 07/27/1993 |
| 5190114 | Flow pulsing apparatus for drill string This invention relates to flow pulsing methods and apparatus for various applications including downhole drilling equipment and in particular to an improved flow pulsing method and apparatus of this type to be connected in a drill string above a drill bit... | 03/02/1993 |
| 5070950 | Remote controlled actuation device An actuator for an appliance associated with a ducted body, through the duct of which flows an incompressible fluid, includes a differential piston axially moveable within the duct and operatively connected to the appliance. The piston has a tubular shape... | 12/10/1991 |
| 5009272 | Flow pulsing method and apparatus for drill string This invention relates to flow pulsing methods and apparatus for various applications including downhole drilling equipment and in particular to an improved flow pulsing method and apparatus of this type to be connected in a drill string above a drill bit... | 04/23/1991 |
| 4928775 | Downhole surge valve for earth boring apparatus A manually operated downhole for an underground earth boring apparatus having a pneumatically operated earth boring tool. A drill pipe is connected to the tool and to a source of pneumatic fluid. A valve is positioned in the drill pipe substantially adjac... | 05/29/1990 |
| 4905778 | Device for producing pressure pulses in an oil well fluid medium An apparatus for producing pressure pulses in an oil well fluid medium is established which includes a main valve member moveable relative to a supporting member by a pressure gradient between two flow channels. The main valve body is longitudinally movea... | 03/06/1990 |
| 4830122 | Flow pulsing apparatus with axially movable valve Flow pulsing apparatus is adapted to be connected in a drill string above a drill bit. The apparatus includes a housing providing a passage for a flow of drilling fluid toward the bit. A turbine in the housing is rotated about an axis by the flow of drill... | 05/16/1989 |
| 4819745 | Flow pulsing apparatus for use in drill string A simple and economical device is placed in a drill string to provide a pulsating flow of the pressurized drilling fluid to the jets of the drill bit to enhance chip removal and provide a vibrating action in the drill bit itself thereby to provide a more ... | 04/11/1989 |
| 4817739 | Drilling enhancement tool A drilling fluid pulse generator for use above a drill bit to produce pulsations in drilling fluid flow. An autocycling valve briefly interrupts the flow of fluid to bit jets to reduce the effective hydrostatic pressure at the drilling face and to hydraul... | 04/04/1989 |
| 4657092 | Circulation reversing tool A transformable circulation tool for reversing the path of drilling fluid at the drill bit without removing the drill string from the borehole annulus is provided by a substantially hollow body having a chamber with external ports disposed between a secti... | 04/14/1987 |
| 4077481 | Subterranean mining apparatus Apparatus for subterranean slurry drilling and mining of granular ore, such as phosphates, with a combined drilling and mining apparatus. The apparatus includes a tool string having a drilling head and mining head that are selectively interchangeable on i... | 03/07/1978 |
| 4066139 | Sampling drill A sampling drill comprising a plurality of drill rods coupled together to form a drill stem suspended from a drill head, each of the drill rods comprising a pair of substantially concentric tubular members defining an inner central passage and an annular ... | 01/03/1978 |
| 4059166 | Subterranean drilling and slurry mining Subterranean slurry mining with one or more mining nozzles which, during mining, directs a high pressure jet of liquid into a granular ore matrix to reduce the ore to a slurry which is thereafter pumped to the surface by an eductor pump including a high p... | 11/22/1977 |
