A tool for providing modifiable structures in a wellbore using ferrofluids in a downhole
system is provided. The downhole system can include a tool body, a source of ferrofluid, and …

Certain aspects are directed to self-assembling packers that seal an annulus in a downhole
wellbore. In one aspect, the packer is formed from a magnetorheological fluid, which may be …

Certain aspects are directed to devices for use in a wellbore in a subterranean formation.
There is provided an intervention tool that may be used to set a self-assembling remedial …

A tool for influencing electrically conductive paths using ferrofluids in a downhole system.
The downhole system can include a tool body, a source of ferrofluid, and a magnet. The …

An apparatus for applying a magnetic pressure to a work piece includes an inductor
configured to be disposed in proximity to the work piece and a controller electrically …

(57) ABSTRACT A magnetic pulse actuation arrangement configured for use in a downhole
system, the arrangement including: a work piece; a layer placed on a portion of the …

A tool for isolating objects in a wellbore using ferrofluids in a downhole system is provided.
The downhole system can include a tool body, a source of ferrofluid, and a magnet. The …

(57) ABSTRACT A method for installing a tool in a downhole system including running the
tool to a target location within a tubular structure, creating a magnetic pulse, and urging the …

A method and apparatus for operating a debris removal tool. In one embodiment, the tool
includes a cover assembly having a plurality of covers spaced from one another along the …

A method includes locating a first set of electromagnetic field emitting devices in a vicinity of
the pressure source, using the first set of electromagnetic field emitting devices to generate a …