Methods and apparatus for cleaning screens used in solid/liquid separations in oilfield operations
AssigneeRNG Oilfield Sales & Service, LLC
InventorJack D. Baker
Life of this patent
Estimating the term…
Abstract
Methods, apparatus, and kits are described, one method embodiment comprising loading a solids-laden screen into a carriage of a washing enclosure, the solids-laden screen comprising a screen mesh partially obstructed with solids from a well drilling or work-over operation, and spraying a cleaning composition onto first and second sides of the screen while vibrating the screen. Apparatus and kits for practicing the methods are also described. This abstract allows a searcher or other reader to quickly ascertain the subject matter of the disclosure. It will not be used to interpret or limit the scope or meaning of the claims.
Claims11
An apparatus comprising:
- (a) a washing enclosure comprising a box-like component dimensioned to receive a screen of size used in drilling wells and in well workovers, the washing enclosure having a single screen entry and exit;
- (b) a screen carriage inside of and supported by the washing enclosure;
- (c) a plurality of spray nozzles mounted inside of the washing enclosure arranged to spray a cleaning composition toward a screen carried by the screen carriage;
- and
- (d) one or more carriage vibrators mounted on the screen carriage.
An apparatus comprising:
- (a) a washing enclosure comprising a box-like component dimensioned to receive a screen of size used in drilling wells and in well workovers, the washing enclosure having separate screen entry and exits on opposite ends of the enclosure;
- (b) a screen carriage inside of and supported by the washing enclosure;
- (c) a plurality of spray nozzles mounted inside of the washing enclosure arranged to spray a cleaning composition toward a screen carried by the screen carriage;
- (d) one or more carriage vibrators mounted on the screen carriage;
- and
- (e) one or more automated rollers for moving the screen through the enclosure.
Dependencies are inferred from the claim text.