US 12,292,059 B2
Intakes and gas separators for downhole pumps, and related apparatuses and methods
David Dyck, Chestermere (CA)
Assigned to Inflow Systems Inc., Chestermere (CA)
Appl. No. 17/962,323
Filed by David Dyck, Chestermere (CA)
PCT Filed Mar. 8, 2022, PCT No. PCT/CA2022/050335
§ 371(c)(1), (2) Date Dec. 11, 2024,
PCT Pub. No. WO2023/168510, PCT Pub. Date Sep. 14, 2023.
Prior Publication US 2024/0133381 A1, Apr. 25, 2024
Prior Publication US 2024/0229796 A9, Jul. 11, 2024
Int. Cl. F04D 9/00 (2006.01); E21B 43/38 (2006.01); F04D 3/02 (2006.01); F04D 29/54 (2006.01); F04D 29/66 (2006.01)
CPC F04D 9/001 (2013.01) [E21B 43/38 (2013.01); F04D 3/02 (2013.01); F04D 29/548 (2013.01); F04D 29/669 (2013.01)] 43 Claims
OG exemplary drawing
 
1. A multi-stage intake of a downhole rotary pump:
defines a fluid flowpath and comprises two or more intake stages arranged in parallel, with two or more of the intake stages each having one or more impellers;
in which for one or more intake stages of the two or more intake stages:
the intake stage comprises an outer housing and an inner housing, the inner housing defining a fluid flowpath and an inlet hole to the fluid flowpath;
an annular plenum is defined between the inner housing and outer housing;
the inlet hole comprises an inner inlet hole and an outer inlet hole;
the inner housing defines the inner inlet hole; and
the outer housing defines the outer inlet hole to permit entry of fluid into the annular plenum.