Downhole measurement tool assembly for measuring and storing at least one quantity in a wellbore and for wireless surface read-out
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United States of America Patent
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Sep 20, 2022
Grant Date -
Mar 11, 2021
app pub date -
Feb 13, 2019
filing date -
Feb 14, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A downhole measurement tool assembly is for measuring at least one quantity in a well-bore, and has: i) a pressure housing; ii) a sensor for measuring the quantity in the wellbore; iii) a memory for storing values of the quantity to obtain stored measurement data for later read-out; iv) an antenna for allowing wireless communication of the stored measurement data between the downhole measurement tool assembly and an external read-out system while the downhole measurement tool assembly resides at the surface out of the wellbore, wherein the antenna is mounted at an external side of the pressure housing such that it is exposed to pressure in the wellbore when residing in the wellbore; v) a transceiver for controlling the communication via the antenna, and vi) a pressure connector in an external sidewall of the pressure housing, wherein the antenna is coupled to the internal transceiver via the pressure connector.
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