SENSOR ASSEMBLY FOR DETERMINING FLUID PROPERTIES IN A SUBSURFACE WELL
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United States of America Patent
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Apr 17, 2014
app pub date -
Dec 20, 2013
filing date -
Jan 11, 2006
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Abstract
A sensor assembly (51) for sensing one or more fluid properties of a fluid in a subsurface well (12) having a well fluid level (42W), a surface region (32) and a riser pipe (30) includes a sensor apparatus (52) and a pump assembly (54) that are positioned within the well (12). The sensor apparatus (52) includes a sensor (682) that senses one of the fluid properties. The pump assembly (54) can be positioned in an in-line manner relative to the sensor apparatus (52). The pump assembly (54) can be positioned between the sensor apparatus (52) and the surface region (32). Alternatively, the sensor apparatus (52) can be positioned between the pump assembly (54) and the surface region (32). In one embodiment, the sensor apparatus (52) is positioned above the well fluid level (42W). The pump assembly (54) can pump fluid toward the sensor apparatus (52) or the pump assembly (54) can pump fluid to draw more fluid to the sensor apparatus (52). The pump assembly (54) can be a two-line, two-valve pump that is removable from the riser pipe (30). The sensor assembly (51) can include a controller (17) that receives data from the sensor (682) regarding one of the fluid properties of the fluid.
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