formation tester

formation tester

[fȯr′mā·shən ‚test·ər]
(petroleum engineering)
Device for retrieval of samples of fluid from an oil-reservoir formation.
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Rated to 450 deg F (232 deg C) the PressureXpress-HT tool provides accurate pressure gradients and overall data quality not achievable by conventional high-temperature formation tester tools.
Present operations - after conducting a wiper trip at 1551mRT, Backreef-1 will now drill ahead from the current depth of 1551mRT to 1650RT (revised TD) prior to running electric logs and possibly a Formation Tester (FMT).
Formation measurements (that provides a measure of density distribution in a sheet) were performed using a formation tester which is based on beta particle absorption.
The FMT-2000 is a simplified formation tester for paper and nonwovens - based on image analysis - that consists of a sample stage with transmitted light illumination, a two dimensional CCD TV camera, a computer, printer and a shading hood to eliminate external direct light influences.
The second category of downhole tools includes formation testers and fluid samplers, which provide spatially discrete data.
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