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Schlumberger Technology Corporation

Boyd B Black

David R Hall

Tyson J Wilde

Francis Leany

Joe R Fox

Jacob Hannon

A drill bit having a bit body intermediate a shank and a working face having at least one cutting insert. A bore is formed in the working face co-axial within an axis of rotation of the drill bit. A jack element is retained within the bore by a retaining element that intrudes a diameter of the bore.

Drill bit with a retained jack element

A water closet has a wash basin positioned above a toilet which is secured to a floor. A guide is adapted to direct movement of the wash basin in a generally vertical direction.

Water closet

In one aspect of the present invention, a system for performing work has a hydraulic circuit adapted to store energy within a hose. The hose has an elastic inner layer pre-tensioned by a radial tensioning component disposed within the hose and at least one reinforcing layer of elastic thread disposed around and compressing the inner layer. A hydraulic fluid is in the circuit and in communication with the hose, the radial tensioning component and with a hydraulic actuator for doing the work. The circuit has a mechanism for pressurizing the hydraulic circuit in order to perform the work.

Hydraulic energy storage with reinforced layer

Retaining element for a jack element

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Iowa City, UT, United States of America

Boyd B Black