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1. WO2016149246 - EQUAL-WALLED GEROTOR PUMP FOR WELLBORE APPLICATIONS

Publication Number WO/2016/149246
Publication Date 22.09.2016
International Application No. PCT/US2016/022424
International Filing Date 15.03.2016
IPC
F04C 2/10 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
2Rotary-piston machines or pumps
08of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
10of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
F04C 13/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
13Adaptations of machines or pumps for special use, e.g. for extremely high pressures
F04C 11/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
11Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
F04C 15/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
15Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/-F04C14/164
F04C 14/24 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
14Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
24characterised by using valves controlling pressure or flow rate, e.g. discharge valves
CPC
E21B 43/121
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
12Methods or apparatus for controlling the flow of the obtained fluid to or in wells
121Lifting well fluids
F04C 11/003
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS
11Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type
001of similar working principle
003having complementary function
F04C 13/008
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS
13Adaptations of machines or pumps for special use, e.g. for extremely high pressures
008Pumps for submersible use, i.e. down-hole pumping
F04C 14/24
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS
14Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
24characterised by using valves controlling pressure or flow rate, e.g. discharge valves ; or unloading valves
F04C 15/0092
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS
15Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
0088Lubrication
0092Control systems for the circulation of the lubricant
F04C 15/0096
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS
15Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
0096Heating; Cooling
Applicants
  • SAUDI ARABIAN OIL COMPANY [SA]/[SA]
  • ARAMCO SERVICES COMPANY [US]/[US] (AG)
Inventors
  • MELO, Rafael Adolfo Lastra
  • XIAO, Jinjiang
Agents
  • BRUCE, Carl E.
Priority Data
62/133,69616.03.2015US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) EQUAL-WALLED GEROTOR PUMP FOR WELLBORE APPLICATIONS
(FR) POMPE TYPE GÉROTOR À PAROI ÉGALE POUR DES APPLICATIONS DE FORAGE
Abstract
(EN)
One example of a gerotor pump includes an inner rotor comprising multiple teeth, the inner rotor configured to rotate about a first longitudinal gerotor pump axis. The gerotor pump also includes a hollow outer rotor including an outer surface and an inner surface having substantially identical contours, the inner surface configured to engage with the multiple teeth and to rotate about a second longitudinal gerotor pump axis. The pump includes a pump housing within which the inner rotor and the outer rotor are disposed, wherein the outer surface of the outer rotor defines gaps between the pump housing and the outer rotor.
(FR)
Un exemple d'une pompe type gérotor comprend un rotor interne comprenant de multiples dents, le rotor interne étant conçu pour tourner autour d'un premier axe de pompe type gérotor longitudinal. La pompe type gérotor comprend également un rotor externe creux comprenant une surface externe et une surface interne ayant des contours sensiblement identiques, la surface interne étant conçue pour venir en prise avec les multiples dents et pour tourner autour d'un second axe de pompe type gérotor longitudinal. La pompe comprend un carter de pompe dans lequel sont disposés le rotor interne et le rotor externe, la surface externe du rotor externe délimitant des espaces entre le carter de pompe et le rotor externe.
Also published as
SA517382313
Latest bibliographic data on file with the International Bureau