Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8141634 | Releasing and recovering tool Apparatus and methods for selectively releasing a first wellbore component to a second wellbore component using a disconnect device. The method includes coupling a disconnect device to a workstring and a downhole tool; performing a downhole operation using the downh... | 03/27/2012 |
| 8079414 | Electromagnetic free point tool and methods of use Electromagnetic free point tools are configured to determine the free point of a downhole pipe in a wellbore utilizing the amplitude or phase change in a transmitted signal for stressed and unstressed pipe. Certain examples of electromagnetic free point tools compri... | 12/20/2011 |
| 7878242 | Interface for deploying wireline tools with non-electric string Embodiments of the present invention generally relate to a method and/or apparatus for deploying wireline tools with a non-electric string. In one embodiment, a method of determining a free point of a tubular string stuck in a wellbore includes deploying a tool stri... | 02/01/2011 |
| 7591307 | Method of and system for determining the free point in a drill pipe A method of determining the stuck point in a bore hole is provided. The method employs a device, such as an inductor or coil, for writing magnetic marks into the bore hole casing. The device is incorporated into a retrieval tool so that when a decision is taken to b... | 09/22/2009 |
| 7252143 | Method and apparatus for anchoring tool in borehole conduit A free point tool has at least one sensor to measure deformation of a stuck conduit in a borehole. A set of anchors is located adjacent to and on each side of the sensor. The anchors include anchor arms that move from a stowed position to an extended position. Each ... | 08/07/2007 |
| 7246663 | Positive engagement indicator for wireline fishing operations A device and method for retrieving a tool string from downhole locations through the use of one or more engagement sensors. The one or more engagement sensors are activated by the tool string engaging an overshot device. The one or more engagement sensor may be mech... | 07/24/2007 |
| 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 |
| 6935427 | Plunger conveyed plunger retrieving tool and method of use A wellbore plunger retrieving tool including a substantially cylindrical retrieving plunger body having a reduced diameter top end and an opposed bottom end. The body bottom end has a threaded recess. A plunger receiving collet includes a threaded male top end engag... | 08/30/2005 |
| 6557631 | Down hole tension/compression device for logging tools A self contained logging tool comprising electronic apparatus for logging a well is disclosed. This tool includes a normally open fluid flow valve structure being activated to operation by differential movement of drill pipe in which the logging tool resi... | 05/06/2003 |
| 6536519 | Downhole tool to generate tension pulses on a slickline A downhole tool that is connectable to a line to be run downhole with the tool includes a housing, a sensor and a mechanism that is located inside the housing. The mechanism is coupled to the sensor to, in response to the detection of the feature by the s... | 03/25/2003 |
| 5984009 | Logging tool retrieval system An apparatus as method for identifying, locating, and retrieving a downhole tool from a borehole. A controller is lowered into the borehole and is capable of detecting a signal from the tool. The signal can be broadcast from the tool, can be generated in ... | 11/16/1999 |
| 5477921 | Method and system for logging a well while fishing for the logging tool This invention provides a method and system for logging an earth formation with a logging tool that is stuck (lodged) in a well bore traversing the earth formation while fishing for the stuck logging tool. This procedure is accomplished by re-establishing... | 12/26/1995 |
| 4966234 | Method for determining the free point of a stuck drillstring A method for determining the free point of a stuck drillstring is disclosed. The method includes determining the hookload on the stuck drillstring, comparing the hookload on the stuck drillstring with the most recent hookload prior to drillstring sticking... | 10/30/1990 |
| 4694902 | Procedure and device for determining the jamming point of a pipe line in a drill hole The procedure of the invention for determining the jamming point of a pipe line in a drill hole is characterized by applying a constant torsional and/or tensile force to the jammed pipe above ground while a device made according to the invention called a ... | 09/22/1987 |
| 4105070 | Methods for determining the stuck point of a conduit in a borehole In the representative manner of practicing the new and improved method disclosed herein, a so-called "stuck-point indicator" or "freepoint-indicator" tool including a unique deformation-responsive sensor tandemly arranged between unique upper and lower to... | 08/08/1978 |
| 4105071 | Methods and apparatus for determining the stuck point of a conduit in a borehole In the representative embodiment of the new and improved apparatus disclosed herein, a so-called "stuck-point indicator" or "freepoint-indicator" tool includes a unique deformation-responsive sensor tandemly arranged between upper and lower hydraulically-... | 08/08/1978 |
