US 11,840,896 B2
Fluid collecting device and method
Mark Paton, Aberdeenshire (GB)
Assigned to SUB-DRILL SUPPLY LIMITED
Appl. No. 17/423,220
Filed by SUB-DRILL SUPPLY LIMITED, Aberdeenshire (GB)
PCT Filed Mar. 2, 2020, PCT No. PCT/GB2020/050499
§ 371(c)(1), (2) Date Jul. 15, 2021,
PCT Pub. No. WO2020/178568, PCT Pub. Date Sep. 10, 2020.
Claims priority of application No. 1902888 (GB), filed on Mar. 4, 2019.
Prior Publication US 2022/0106848 A1, Apr. 7, 2022
Int. Cl. E21B 21/01 (2006.01); E21B 19/16 (2006.01); E21B 27/00 (2006.01); E21B 17/00 (2006.01)
CPC E21B 21/01 (2013.01) [E21B 17/006 (2013.01); E21B 19/16 (2013.01); E21B 27/00 (2013.01)] 17 Claims
OG exemplary drawing
 
1. Apparatus for collecting fluid from a drill string or from a borehole casing, the apparatus comprising a collection casing having means for sealably engaging around a drill string or borehole casing to create a chamber between an interior of the collection casing and the drill string or borehole casing, and one or more fluid nozzles for directing cleaning fluid into an interior of the chamber, wherein the one or more nozzles are configured to direct cleaning fluid to impact an inwardly facing interior surface of the collection casing.