Radially adjustable downhole devices and methods for same

Details Radially adjustable downhole devices and methods for same Radially adjustable downhole devices and methods for same

2006-08-01

2006-08-01

Bates, Zakiya W. (Department: 3676)

Wells

Processes

With indicating, testing, measuring or locating

C166S255100, C166S264000, C166S381000

Reexamination Certificate

active

07082994

ABSTRACT:
A method for logging a wellbore includes actuating a positioning device to adjust the position of a module relative to a reference point or object such as a wellbore axis or proximally positioned downhole device. With respect to a wellbore, an exemplary positioning device can set the measurement tool such as an acoustic device to successive radial positions (e.g., substantial concentricity or substantial eccentricity relative to an axis of the wellbore). In one embodiment, the module includes a measurement tool to measure different parameters of interest (e.g., acoustic logging data, check-shot data measurement, bonding of cement to casing). With respect to an adjacent downhole device, the positioning device can provide a selected relative orientation (e.g., azimuth, inclination, radial displacement) between the module and the adjacent downhole device. The positioning device can also be adapted to apply a jarring force to a wall of the wellbore to free a downhole device.

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patent: 0313374 (1989-04-01), None

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