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Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7665550 | Underreamer and method of use The present invention discloses a collapsible drilling assembly having field-replaceable cutter or stabilizer blades (214) and method of using and installing new stabilizer blades while at a job location. The drilling assembly is deployed upon a distal end of... | 02/23/2010 |
| 7416036 | Latchable reaming bit A drilling assembly supports a liner for making a wellbore. The BHA comprises a pilot bit and a reamer above it that is larger in diameter than the suspended liner. If the BHA needs to be pulled out, the reamer is brought into contact with the liner and a latch mech... | 08/26/2008 |
| 7389829 | Method and apparatus for forming bored hole A method and apparatus for creating a reamed hole below the surface are disclosed. The reaming apparatus is arranged to be connected to one or more boring stems and has an interior section and an exterior section. The interior section is rotatable independently of t... | 06/24/2008 |
| 7353867 | Whipstock assembly and method of manufacture The present invention discloses a whipstock assembly (100) for use in forming a lateral borehole from a parent wellbore. The whipstock assembly comprises a body (122) and a deflection member 120) above the body. The deflection member includes a ... | 04/08/2008 |
| 7325630 | Hole opener The invention relates to well reamer for borehole reaming within a specified interval. The well reamer has a housing with inclined slots, radial holes and a central straight-through channel, in which a spring-loaded rod with holes in the upper and lower parts is loc... | 02/05/2008 |
| 7316277 | Bottom hole assembly A bottom hole assembly has a drill bit and an under-reamer on the up-hole side of the drill bit. In one aspect, the assembly further has a compliant element linking the drill bit to the under-reamer, the compliant element allowing displacement of the drill bit relat... | 01/08/2008 |
| 7293617 | Polycrystaline diamond compact insert reaming tool A reaming tool including a body adapted to couple to a drill string at both axial ends thereof, the body including a plurality of reaming blades affixed at azimuthally spaced apart locations around the circumference of the body, wherein selected ones of the pluralit... | 11/13/2007 |
| 7252163 | Downhole under-reamer tool A downhole tool comprises a body having slots communicating the outside of the body with the body through-bore. A sleeve actuator and mandrel are selectively axially slidable. The actuator has flanges extending into the slots. The flanges have ribs on their sides th... | 08/07/2007 |
| 7237628 | Fixed cutter drill bit with non-cutting erosion resistant inserts The present invention is directed to a drill bit with non-cutting erosion resistant inserts. In one illustrative embodiment, the apparatus comprises a matrix drill bit body comprising a plurality of blades, a plurality of cutting elements positioned on each of the b... | 07/03/2007 |
| 7216727 | Drilling bit for drilling while running casing A drill bit for drilling casing in a well bore. The drill bit is constructed from a combination of relatively soft and relatively hard materials. The proportions of the materials are selected such that the drill bit provides suitable cutting and boring of the well b... | 05/15/2007 |
| 7201237 | Stabilizing system and methods for a drill bit A drill bit stabilizing system comprising a body member having an axis and at least one recess formed in the body member housing at least one stabilizing member when in a first retracted position. The stabilizing member is positionable along a diagonal angle with th... | 04/10/2007 |
| 7195080 | Expandable drilling tool and method A system is provided (1) for increasing the diameter of at least a portion of a well bore, the system being intended to be attached to a drill pipe (3), the system having a support element (10) bearing cutting arms (13, 14) which is movab... | 03/27/2007 |
| 7182157 | Enlarging well bores having tubing therein An underreamer for forming a cavity within a well bore includes a fluid motor having a first body and a second body arranged about a longitudinal axis. The first body is adapted to rotate about the longitudinal axis in relation to the second body when fluid is passe... | 02/27/2007 |
| 7168509 | Percussive reamer and method of use thereof A percussive drill bit or reamer having a plurality of bit segments formed into a circular pattern suitable for drilling or reaming a hole. The bit segments are close-fitted and shaped to increase the cutting area and improve efficiency. Pressurized air exhausted fr... | 01/30/2007 |
| 7165634 | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 01/23/2007 |
| 7159668 | Centralizer A centralizer 10 for mounting on a tubular member such as a section of casing, together with one or more stops 42, 48 for retaining the centralizer thereon. The stops 42, 48 are provided with profiles for engaging the centralizer to restrict rot... | 01/09/2007 |
| 7152702 | Modular system for a back reamer and method A modular back reamer to be used in subterranean drilling includes a drive stem, a reamer body having a plurality of receptacles, wherein the receptacles are configured to retain a cutting leg assembly, and a plurality of shims engaged within the receptacles to secu... | 12/26/2006 |
| 7147068 | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 12/12/2006 |
| 7137460 | Back reaming tool A back reaming tool is disclosed which includes a tool body adapted to be coupled to a drill string, and at least cutting structure mounted to a leg and having cutting elements disposed thereon. The leg is removably coupled to the tool body. ... | 11/21/2006 |
| 7137463 | Polycrystaline diamond compact insert reaming tool A reaming tool that includes a body having reaming blades affixed thereto. The reaming blades each have at least one cutter attached thereto at a selected position and orientation. The plurality of reaming blades includes at least one radially most extensive reaming... | 11/21/2006 |
| 7131790 | Boring and conduit/pipe system An extension rod has an interior end and an exterior end. The exterior end is formed with male screw threads. A primary bit has a cylindrical interior end and a conical exterior. Female threads at the interior end releasably couple with the extension rod. A secondar... | 11/07/2006 |
| 7128168 | Reamer apparatus for ground boring machine The invention provides a reamer apparatus for a ground boring machine that is capable of restricting increase in drawing resistance when performing drawing of a buried pipe by using a reamer and of efficiently performing drawing operations of the buried pipe without... | 10/31/2006 |
| 7111694 | Fixed blade fixed cutter hole opener A hole opener including a tool body having upper and lower ends. The upper and lower ends may be coupled to adjacent drilling tools. At least two blades are formed on the tool body and are arranged so that the hole opener is positioned concentric with a wellbore, an... | 09/26/2006 |
| 7096982 | Drill shoe A method and apparatus for a drilling with casing includes therewith a drill shoe configured for later drilling through thereof in situ, with cutters retainable thereon in response to the forces encountered during borehole drilling, yet moveable from the envelope th... | 08/29/2006 |
| 7090034 | Reamer having toroidal crusher body and method of use The present invention provides a reamer (100) having at least one journal body (110) and at least one toroidal cutter body (116). The toroidal cutter body (116) has a maximum diameter (MD), an outer perimeter (OP) and a plurality of cutti... | 08/15/2006 |
| 7083010 | Apparatus and method for drilling and reaming a borehole A drilling assembly, a reamer, and an adjustable diameter stabilizer 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 existi... | 08/01/2006 |
| 7048064 | Multi-unit centralizer A multi-unit centralizer for centralizing or otherwise positioning a tubing string in a well bore. The centralizer has a centralizer hub including multiple hub subunits for removably engaging each other and at least one spacer lug for removably engaging each of the ... | 05/23/2006 |
| 7048050 | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 05/23/2006 |
| 7048078 | Expandable underreamer/stabilizer A downhole tool that functions as an underreamer or as a stabilizer in an underreamed borehole. The tool includes one or more moveable arms disposed within a body having a flowbore therethrough in fluid communication with the wellbore annulus. The tool alternates be... | 05/23/2006 |
| 7036610 | Apparatus and method for completing oil and gas wells A method of drilling and completing a wellbore in a geological formation to produce hydrocarbons from a well comprising at least the following four steps: drilling the well with a retrievable drill bit attached to a casing; removing the retrievable drill bit from th... | 05/02/2006 |
| 7036611 | Expandable reamer apparatus for enlarging boreholes while drilling and methods of use An expandable reamer apparatus and methods for reaming a borehole, wherein a laterally movable blade carried by a tubular body may be selectively positioned at an inward position and an expanded position. The laterally movable blade, held inwardly by blade-biasing e... | 05/02/2006 |
| 7000713 | Blockless reamer A blockless reamer drilling tool comprising an elongated tool body and a reamer unit. The reamer unit includes, a shaft having a first end and a second end and a cutter mounted on the shaft between the first and second ends. A pocket on the exterior surface of the t... | 02/21/2006 |
| 6971459 | Stabilizing system and methods for a drill bit A drill bit stabilizing system comprising a body member having an axis and at least one recess formed in the body member housing at least one stabilizing member when in a first retracted position. The stabilizing member is positionable along a diagonal angle with th... | 12/06/2005 |
| 6959774 | Drilling apparatus A drilling apparatus for earth boring operations is of the type having cutter blades mounted on a support body at the lower end of a drill string and includes a novel arrangement of fluid bore sections for delivering fluid under pressure into fluid discharge passage... | 11/01/2005 |
| 6929078 | Apparatus for use in enlarging a borehole A device for enlarging a bore includes an elongate body having a forward end, a rear end and an axis of rotation. The body of the device is adapted to be moved through the bore while being rotated about its axis. The device also includes a cutting blade which is att... | 08/16/2005 |
| 6929076 | Bore hole underreamer having extendible cutting arms A bore hole underreamer is provided having a hollow body with a longitudinal axis, which has an external wall, at least two cylindrical bores provided through the external wall and whose axes are transverse to the longitudinal axis. Each of the bores have a cylindri... | 08/16/2005 |
| 6926100 | Hole reaming apparatus and method An enhanced reaming apparatus and method are disclosed. A reaming assembly may have a motor and a pump that provide linear force, torsional force, and pressurized drilling fluid to a reamer to cause the reamer to enlarge the bore of a pilot hole. The reamer may have... | 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 |
| 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 |
| 6913098 | Sub-reamer for bi-center type tools An improved bi-center with improved directional stability and wear resistance is disclosed, said bit optimally utilizing a plurality of shaped PDC cutting elements selectively situated about the cutting surfaces of the pilot and the reamer to produce a minimal force... | 07/05/2005 |
