Sensor assembly for determining fluid properties in a subsurface well
US8636478B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2007 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Mar 26, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/088
- WIPO fieldCivil engineering
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.