Downhole sensing apparatus with separable elements

Details Downhole sensing apparatus with separable elements Downhole sensing apparatus with separable elements

2005-12-06

2005-12-06

Chapman, John E. (Department: 2856)

Measuring and testing

Borehole or drilling

Downhole test

C073S152550, C166S255100, C175S040000

Reexamination Certificate

active

06971265

ABSTRACT:
A sensing apparatus is provided for use downhole, comprising a housing and sensing means with the housing containing a plurality of separable elements to which data acquired by the sensing means is transferred. The separable elements are releasable from the housing to convey the acquired data to surface. The separable elements have a spherical outer casing of around 1 to 10 cm diameter which surrounds a memory chip. The casing has a sealable aperture so that electrical connection to the chip can be established within the housing.

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The Corona Satellite. “The Major COmponents of the Corona Camera System”, http://www.nro.odci.gov/corona/sysinfo2.htm, pp. 1-3.

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