Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7370703 | Downhole hydraulic pipe cutter The casing cutter disclosed herein is useful for severing downhole tubulars and comprises a body, slips, a cutting head, cutting blades, and actuators for operating the cutting head and cutting blades. The casing cutter can be anchored within casing wellbore with th... | 05/13/2008 |
| 7341433 | Cutting insert and tool and wrench for using the same A cutting insert includes a plurality of consecutively disposed, interlinked individual cutting inserts that can be brought into use successively through a respectively interposed predetermined breaking point by detaching a respectively preceding individual cutting ... | 03/11/2008 |
| 7255172 | Hydrodynamic, down-hole anchor A method of removably anchoring well tubing in a well bore may include selecting a well having a bore diameter and an anchor positioned therein. The anchor may have a housing defining an anchor diameter and extension members extending therefrom toward the bore diame... | 08/14/2007 |
| 7225867 | Liner top test packer A liner hanger test packer assembly includes an axially translated liner top dressing mill having a calibrated shear mechanism for securing the mill at a first, top dressing position. Tool string load on the mill bearing upon the liner top in excess of the calibrate... | 06/05/2007 |
| 7225873 | Coiled tubing cutter A cutting module to sever a tubing in a well includes a piston and shear blade. The piston includes at least two moveable telescoping elements, which are adapted to expand the first piston from a retracted length to an expanded length. The shear blade is connected t... | 06/05/2007 |
| 7108064 | Milling tool insert and method of use The present invention generally relates to a cutting insert for use with wellbore milling tools. The cutting insert forms an angle between a milling surface of the insert and a surface of the tool that the insert is attached to in order to provide the proper cutting... | 09/19/2006 |
| 7086467 | Coiled tubing cutter A subsea production system includes a blowout preventer stack that is adapted to seal and contain pressure in a well. The blowout preventer stack has a passageway through which a tubular string may extend into the well. The subsea production system includes a subsea... | 08/08/2006 |
| 7077206 | Method and apparatus involving an integrated or otherwise combined exit guide and section mill for sidetracking or directional drilling from existing wellbores A section mill is positioned below an exit guide in a drill string assembly used to mill a section of steel casing below the whipstock and which as the section mill moves down and mills along the section of casing, causes the whipstock to be lowered down adjacent th... | 07/18/2006 |
| 7063155 | Casing cutter Casing cutter for severing multiple tubulars in a well bore has a pair of cutter blades pivotally mounted on a support body. The blades are pivotally mounted for gradual movement outside of the support body when downward force is applied to proximate ends of the cut... | 06/20/2006 |
| 7025144 | Wellbore liner system Wellbore apparatus has been invented which, in at least certain aspects, includes a wellbore apparatus having a tubular member with a top end, a bottom end, a hollow portion, and a window therethrough, a sleeve positioned within the hollow portion of the tubular mem... | 04/11/2006 |
| 6997266 | Expandable hanger and packer A first tubular is disposed coaxially within a portion of a second, larger tubular. A portion of the first tubular is expanded into frictional contact with the second tubular, thereby creating a liner and a hanger. In one embodiment, a pattern of grooves and profile... | 02/14/2006 |
| 6974280 | Rotary cutting tool A rotary cutting tool having the general form of a circular disk with cutting inserts secured tangentially to the circumference of the tool's body, for metal machining in general and for machining cam lobes. The cutting inserts have concave side surfaces and concave... | 12/13/2005 |
| 6926085 | Safety system for underwater cutting Apparatus for a method of cutting pipes underwater comprising jetting a jacket down over the pipe, blowing mud out from between the pipe and the jacket so the annulus between the pipe and the jacket is substantially filled with water and/or air, and performing the c... | 08/09/2005 |
| 6926099 | Drill out bi-center bit and method for using same A drill out bi-center bit and a method for using the same are provided that offer the ability to drill out cement and casing shoes, and increased stability. The bi-center bit includes a bit body having a first end operable to be coupled with a drill string, a second... | 08/09/2005 |
| 6902354 | Cutting insert A cutting insert having two end portions and an intermediate portion extending longitudinally between the two end portions. The intermediate portion has N side surfaces and N primary cutting edges. The N primary cutting edges are formed at the intersection of adjace... | 06/07/2005 |
| 6626074 | Down hole pipe and casing cutter A down hole pipe cutter is provided to cut a section of pipe from the pipe's interior. The device includes a lower guide plate, an upper guide plate, a connector rod interconnecting the lower guide plate to the upper guide plate, and an eccentrically moun... | 09/30/2003 |
| 6422328 | Dual cutting mill A rotating tool for milling or drilling in a well bore, having one or more rotating cutting structures, with each cutting structure rotating about its own axis, and with the cutting structures rotating about the axis of the tool. The rotational axis of th... | 07/23/2002 |
| 6276452 | Apparatus for removal of milling debris An apparatus and method for drawing small milling debris into a combination milling and debris retrieval tool, during the performance of the milling operation. A milling tool has a fluid intake port near its lower end, where debris-laden fluid is drawn in... | 08/21/2001 |
| 6183165 | Process and device for separation of pipes or columns fixed in the ground To separate relatively long upright pipes (13) which have a relatively large diameter, the lower end thereof being fixed in the ground, in particular of support legs (3) of an off-shore oil bore or conveying platform (100), a cutting unit is lowered down ... | 02/06/2001 |
| 6170576 | Mills for wellbore operations A wellbore mill has been invented that, in certain aspects, has a body having a top and a bottom and, optionally, a fluid flow channel extending therethrough from top to bottom with, optionally, one or more fluid jetting ports in fluid communication with ... | 01/09/2001 |
| 6167961 | Small diameter run in whipstock and method for setting in large diameter casing A whipstock assembly 10 for setting within a casing C on an anchor A diverts a cutting mill M to cut a window in the casing. The whipstock assembly is passed through a restriction positioned above the location where the whipstock assembly is set, is lower... | 01/02/2001 |
| 6167958 | Cutting matrix and method of applying the same A method for applying cutting elements to a tool for cutting or milling a metal item in a well, along with the cutting element used in the method. The tool can include one or more blades extending outwardly or downwardly from the tool for cutting a metal ... | 01/02/2001 |
| 5988272 | Apparatus and method for milling a well casing Apparatus for milling the casing of an oil or gas well comprises a downhole assembly which is run into the well on a rotatable drill string. The assembly comprises a motor (6) the body of which is connected to the drill string and the output shaft of whic... | 11/23/1999 |
| 5984005 | Wellbore milling inserts and mills An array of cutting inserts has been invented having a plurality of adjacent inserts, each insert comprising a body having a top surface, a bottom, and a base, and a plurality of spaced-apart chipbreaking indentations in the top surface of the body, and a... | 11/16/1999 |
| 5931442 | Submersible work vessel for installing a blow out preventer A submersible work vessel and a method of using the same are disclosed. The vessel contains an internal work space. It also contains a set of openable jaws that are designed to engage an underwater pipe. When the pipe is engaged, it will pass through the ... | 08/03/1999 |
| 5908071 | Wellbore mills and inserts A cutting insert for a tool for wellbore milling operations has been invented that has a body having a top, a bottom, and a base, and a plurality of cutting surfaces on the top of the body, one of the cutting surfaces at a different height above the base ... | 06/01/1999 |
| 5899268 | Downhole milling tool A tool for cutting or milling casing in a well is disclosed. It includes a plurality of blades extending outwardly to a substantially radial position for cutting the walls of casing strings and removing a predetermined length of the casing strings in a cu... | 05/04/1999 |
| 5810079 | Downhole milling tool A tool for cutting or milling casing in a well is disclosed. It includes a plurality of blades extending outwardly to a substantially radial position for cutting the walls of casing strings and removing a predetermined length of the casing strings in a cu... | 09/22/1998 |
| 5772363 | Piling remover A pile remover has a first embodiment for removal of short pilings and a second embodiment for long pilings. Both embodiments include a pile-fitting tube with hydraulic cylinders at the top end of the tube that push downward to cause rocking cutters at th... | 06/30/1998 |
| 5709265 | Wellbore window formation New systems and methods have been invented for explosively forming openings, ledges, windows, holes, and lateral bores through tubulars such as casing, which openings may, in cerain aspects, extend beyond the casing into a formation through which a wellbo... | 01/20/1998 |
| 5695010 | Method of drilling around an existing casing pipe to regenerate an old well A method of drilling the packing gravel and formation materials around an existing casing pipe in order to regenerate an old well. The method comprises the steps of sequentially filling the inside of the casing pipe of the old well with mud water, connect... | 12/09/1997 |
| 5649595 | Milling method for liners extending into deviated wellbores An apparatus and method of milling a liner extending from a deviated wellbore into a main wellbore is disclosed. The liner is inserted through a window and cemented in place with the cement extending back into the main wellbore. Mechanisms are provided on... | 07/22/1997 |
| 5626189 | Wellbore milling tools and inserts A cutting insert for wellbore milling operations is disclosed which, in certain embodiments, has two or more top milling surfaces on an insert body with the surfaces at different heights above a bottom of the insert body. In certain embodiments three top ... | 05/06/1997 |
| 5456312 | Downhole milling tool A tool for cutting or milling casing in a well is disclosed. It includes a plurality of blades extending outwardly to a substantially radial position for cutting the walls of casing strings and removing a predetermined length of the casing strings in a cu... | 10/10/1995 |
| 5373900 | Downhole milling tool A tool for cutting or milling casing in a well is disclosed. It includes a plurality of blades extending outwardly to a substantially radial position for cutting the walls of casing strings and removing a predetermined length of the casing strings in a cu... | 12/20/1994 |
| 5318395 | Method and apparatus for porting lateral connections in lined pipelines A method and apparatus for porting lateral connections in a lined pipeline from the lateral side of the liner. An access hole is formed through the liner material covering the lateral connection. A cutting apparatus, such as a water cutter, is inserted th... | 06/07/1994 |
| 5297630 | Downhole milling tool A cutting tool (22) includes a plurality of pivoted blades (36) for swinging outwardly to an expanded radial position for first cutting the walls of multiple casing strings (10, 11), and then removing a predetermined length of the casing strings (10, 11) ... | 03/29/1994 |
| 5253710 | Method and apparatus to cut and remove casing An apparatus is established which facilitates the cutting and removal of well casing on a single trip into the wellbore. The apparatus is run into the wellbore on the tubing string and provides a rotatable sleeve including grapples adapted to engage the c... | 10/19/1993 |
| 5181564 | Milling tool A tool for milling a down-hole casing or tubing comprising a tubular body rotatable about its longitudinal axis and having a longitudinal passage therethrough. Means is provided at a first end of the cylindrical body for connection to a drive means to rot... | 01/26/1993 |
| 5150755 | Milling tool and method for milling multiple casing strings A cutting tool (22) includes a plurality of pivoted blades (36) for swinging outwardly to an expanded radial position for first cutting the walls of multiple casing strings (10, 11), and then removing a predetermined length of the casing strings (10, 11) ... | 09/29/1992 |
