SYSTEM AND METHOD FOR A DOWNHOLE LOGGING TOOL WITH AN ARRAY OF PAIRED RECEIVER ANTENNAS

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United States of America Patent

SERIAL NO

14605840

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The system for measuring electric resistivity around a borehole includes a tool body having a generally cylindrical shape, at least one transmitter at a first transmitter position on the tool body, an array of receivers on the tool body at a set distance from the first transmitter position, and a processor connected to the transmitter and the array. Each transmitter produces a set of five different measurement combinations with various resolution, coarseness, depth of investigation, and verification with the array. The array includes two pairs of receivers, and each receiver is an antenna, such as a coil in a groove with an antenna shield. The array has innovative placement of each receiver of the two pairs of receivers on the tool body relative to the transmitter for a more complete evaluation of a formation around a borehole.

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Patent Owner(s)

Patent OwnerAddress
CNPC USA CORP2901 WILCREST DRIVE SUITE 600 HOUSTON TX 77042

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
LIU, Jianguo Sugar Land, US 57 338
SMITH, Robert C Houston, US 216 12967

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