| Patent Number |
Title Of Patent |
Date Issued |
| 7578354 |
Device and method to seal boreholes |
August 25, 2009 |
| Apparatus and methods are described that are particularly suited for creating a seal in a borehole annulus. In one embodiment, an outer surface 10s of an expandable conduit 10 is provided with a formation 20 that includes an elastomeric material (e.g. a rubber) that can expand and/or |
| 7401650 |
Apparatus and methods for radially expanding a tubular member |
July 22, 2008 |
| Radially expanding a tubular such as a liner or casing, especially in a downward direction. The apparatus includes at least one driver device such as a piston that is typically fluid-actuated, and an expander device is attached to the or each driver device. Actuation of the or each drive |
| 7275600 |
Apparatus and method for expanding tubular members |
October 2, 2007 |
| Apparatus and methods of expanding tubular members are disclosed. In one embodiment, the apparatus includes a vibrating device that is capable of imparting a longitudinal and/or lateral and/or oblique vibration to a tubular member or string as it is being run into a borehole or wellbore. |
| 7243722 |
Expander device |
July 17, 2007 |
| Apparatus (9) for radially expanding an expandable member, the apparatus including a plurality of radially moveable fingers (22). The radially moveable fingers (22) can move between two positions; in a first position, the moveable fingers (22) are radially extended to a form a cone t |
| 7228915 |
Device and method to seal boreholes |
June 12, 2007 |
| Apparatus and methods are described that are particularly suited for creating a seal in a borehole annulus. In one embodiment, an outer surface 10s of an expandable conduit 10 is provided with a formation 20 that includes an elastomeric material (e.g. a rubber) that can expand and/or |
| 7228911 |
Apparatus for and method of radial expansion of a tubular member |
June 12, 2007 |
| Apparatus for and method of radial expansion of a tubular member, with embodiments of the apparatus including an expander device, for example an expansion cone, which has a driver device either attached to it or integral therewith. The driver device can be a pump for example, where t |
| 7185701 |
Apparatus and method for radially expanding a tubular member |
March 6, 2007 |
| Apparatus and methods for radially expanding a tubular such as a drill pipe, liner, casing or the like. The apparatus includes at least one driver device such as a piston that is typically fluid-actuated, and an expander device is attached to the or each driver device. Actuation of t |
| 7178601 |
Methods of and apparatus for casing a borehole |
February 20, 2007 |
| Methods of and apparatus for drilling, casing and/or completing a borehole wherein one or more portions of the borehole are drilled into a formation at a single diameter along the entire length or depth of the or each portion of the borehole. An expandable tubular member is then located |
| 7174764 |
Apparatus for and a method of expanding tubulars |
February 13, 2007 |
| Apparatus for and a method of expanding tubulars, and particularly tubulars or a string of tubulars that have one or more per orated portions and one or more non-perforated portions. In one embodiment, the apparatus (150) includes an inflatable element (e.g. a packer 152) that has a |
| 7124823 |
Apparatus for and method of anchoring a first conduit to a second conduit |
October 24, 2006 |
| Apparatus and methods are disclosed for anchoring a first conduit (10) to a second conduit (12). The first conduit (10) is typically an expandable conduit whereby a portion of the first conduit is expanded by applying a radial force thereto to provide an anchor and/or seal between the fi |
| 7073583 |
Method and apparatus for expanding tubing downhole |
July 11, 2006 |
| Aspects of the invention relate to apparatus and methods for remedial and repair operations downhole. Certain embodiments of apparatus include a lightweight expandable member (22) that can be radially expanded to increased its inner and outer diameters using an inflatable element (34). |
| 6745846 |
Expandable downhole tubing |
June 8, 2004 |
| The present invention relates to portions of casing that are inserted into a wellbore. The casing portions are provided with a protected portion in which a friction and/or sealing material can be located. In certain embodiments, the protected portion is provided by first and second annul |
