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1. WO2020142078 - ACTIVE ACCUMULATOR

Publication Number WO/2020/142078
Publication Date 09.07.2020
International Application No. PCT/US2018/068173
International Filing Date 31.12.2018
IPC
F15B 1/02 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
1Installations or systems with accumulators; Supply reservoir or sump assemblies
02Installations or systems with accumulators
E21B 41/00 2006.1
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
41Equipment or details not covered by groups E21B15/-E21B40/95
F04B 19/22 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
19Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/-F04B17/158
20Other positive-displacement pumps
22of reciprocating-piston type
CPC
E21B 43/2607
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
25Methods for stimulating production
26by forming crevices or fractures
2607Surface equipment specially adapted for fracturing operations
F04B 2205/01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
2205Fluid parameters
01Pressure before the pump inlet
F04B 47/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
47Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
F04B 49/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
49Control ; , e.g. of pump delivery, or pump pressure; of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
06Control using electricity
F15B 1/033
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
1Installations or systems with accumulators; Supply reservoir or sump assemblies
02Installations or systems with accumulators
027having accumulator charging devices
033with electrical control means
F15B 2201/205
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
2201Accumulators
20Accumulator cushioning means
205using gas
Applicants
  • HALLIBURTON ENERGY SERVICES, INC. [US]/[US]
Inventors
  • STEPHENSON, Stanley, V.
  • BEISEL, Joe, A.
Agents
  • CHEN, Brandon
  • EBER, Michelle
  • CHEN, Brandon
  • ALFARO, Micaela, N.
  • MORICO, Paul
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ACTIVE ACCUMULATOR
(FR) ACCUMULATEUR ACTIF
Abstract
(EN)
An active accumulator system which automatically adjusts or adapts the charge pressure or volume of an accumulator to maintain an optimal charge pressure or volume of the accumulator may provide optimal operation of a pump. An active accumulator system may comprise a flow line coupled to a pump, wherein a fluid flows through the flow line to the pump, an accumulator coupled to the flow line, a transducer coupled to the pump, wherein the transducer detects a parameter of the pump at an inlet of the pump, and a controller coupled to the transducer and the accumulator, wherein the controller receives the parameter, and wherein the controller regulates air flow to the accumulator such that the accumulator is adjusted to an optimal charge pressure based at least in part on the parameter.
(FR)
L'invention concerne un système accumulateur actif qui ajuste ou adapte automatiquement la pression ou le volume de charge d'un accumulateur pour maintenir une pression ou un volume de charge optimal de l'accumulateur qui peut assurer un fonctionnement optimal d'une pompe. Un système d'accumulateur actif peut comprendre une conduite d'écoulement accouplée à une pompe, un fluide s'écoulant à travers la conduite d'écoulement jusqu'à la pompe, un accumulateur accouplé à la conduite d'écoulement, un transducteur accouplé à la pompe, le transducteur détectant un paramètre de la pompe au niveau d'une entrée de la pompe, et un dispositif de commande couplé au transducteur et à l'accumulateur, le dispositif de commande recevant le paramètre, et le dispositif de commande régulant l'écoulement d'air vers l'accumulateur de telle sorte que l'accumulateur est réglé à une pression de charge optimale sur la base, au moins en partie, du paramètre.
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