E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/38 (2006.01)
Patent
CA 2346585
An apparatus and method for separating gas and solids from well fluids in a borehole including a gas-solids separator (34) having an outer tubular member (44) and an inner flow tube (46). A gas spiral housing (62) has a gas spiral (66) at its lower end positioned beneath a plurality of perforations (60) in tubular member (44). A solid spiral (70) is positioned below upper gas spiral (66) and a swirl chamber (71) is provided between gas spiral (66) and solids spiral (70). Gas separated by gas spiral (66) flows upwardly in inner gas annulus (72) to gas reservoir (74) for discharge by ball check valve (76). The solids are separated by solids spiral (70) and the clean liquid after the gas and solids have been separated flows upwardly in flow tube (46) and pipe string (14) from lower swirl chamber (80). An embodiment shown in Figure 5 provides a shroud (27A) about a downhole motor (20A) to effect cooling of motor (20A).
Cobb Delwin E.
Ridout & Maybee Llp
LandOfFree
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