Gas and liquid metering method and system for plunger gas lifting device for well

Gas and liquid metering method and system for plunger gas lifting device for well

The invention belongs to the technical field of natural gas equipment, and relates to a gas and liquid metering method and system for a plunger gas lifting device for a well. A plunger lifts a liquidcolumn to rise slowly under the pressure of oil jacket pressure; the oil pressure is collected by a p...

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Hauptverfasser: SHI NINGHUI, WANG SHIXING, LIU TAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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creator SHI NINGHUI
WANG SHIXING
LIU TAO
description The invention belongs to the technical field of natural gas equipment, and relates to a gas and liquid metering method and system for a plunger gas lifting device for a well. A plunger lifts a liquidcolumn to rise slowly under the pressure of oil jacket pressure; the oil pressure is collected by a plunger reaching sensor; whether the liquid column reaches or not is judged through calculation; when the liquid column reaches, the plunger reaching sensor sends a liquid metering instruction to an ACF two-phase flow flowmeter to start accumulated liquid metering; and after the liquid column is drained, i.e., the plunger reaches the top, the plunger reaching sensor detects reaching of the plunger, then, a gas metering instruction is sent to the ACF two-phase flow flowmeter to recover accumulated gas metering. The gas and liquid metering method has the characteristics that the effective metering on the gas and liquid quantity of a gas production single well is realized by using a method of judging the reaching of a
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
title Gas and liquid metering method and system for plunger gas lifting device for well
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