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Wellhead metering device based on multi-frequency Coriolis principle

A metering device, Coriolis flowmeter technology, applied in the direction of measurement, wellbore/well components, earthwork drilling and production, etc., can solve the problem of low accuracy of the metering device

Pending Publication Date: 2020-05-08
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a wellhead metering device based on the multi-frequency Coriolis principle to alleviate the technical problem of low accuracy of the oil well output metering device existing in the prior art

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  • Wellhead metering device based on multi-frequency Coriolis principle
  • Wellhead metering device based on multi-frequency Coriolis principle

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Embodiment Construction

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0028] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention provides a wellhead metering device based on a multi-frequency Coriolis principle, and relates to the technical field of oil well output metering. The wellhead metering device based on the multi-frequency Coriolis principle comprises a gas metering assembly and a liquid metering assembly, wherein the gas metering assembly comprises a gas conveying pipe and a gas flowmeter arranged onthe gas conveying pipe; the liquid metering assembly comprises a liquid conveying pipe, a gas-liquid phase mixer and a multi-frequency correction Coriolis flowmeter, wherein the gas-liquid phase mixer is arranged in the liquid conveying pipe; and the multi-frequency correction Coriolis flowmeter is arranged in the liquid conveying pipe and in the flow direction of liquid, and the multi-frequencycorrection Coriolis flowmeter is located downstream of the gas-liquid phase mixer. According to the wellhead metering device based on the multi-frequency Coriolis principle, due to the arrangement ofthe gas-liquid phase mixer, gas and the liquid in the gas-containing liquid are uniformly mixed, so that the metering precision is high, and the accuracy is high. In addition, the wellhead metering device based on the multi-frequency Coriolis principle can realize real-time metering, so that relevant parameters of oil well production can be known at any time.

Description

technical field [0001] The invention relates to the technical field of oil well output metering, in particular to a wellhead metering device based on the multi-frequency Coriolis principle. Background technique [0002] Oil well output is a multiphase flow fluid, including two liquids of different densities, water and oil, and gas or solid particles entrained in the liquid, such as concrete and sand. Accurate measurement of oil well output is an important basis for scientifically and reasonably assessing the completion of production tasks of units at all levels and timely and comprehensively grasping the dynamics of block production capacity. It is an important task for oil production in oil fields. [0003] In the traditional measurement process of oil well output, separate devices combined with conventional single-phase instruments are used to measure oil-gas-water multiphase flow, which is not only cumbersome to operate but also high in maintenance costs. In recent years...

Claims

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Application Information

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IPC IPC(8): E21B47/00E21B49/00
CPCE21B47/00E21B49/00
Inventor 华陈权孙舒宁尹义响阚京龙
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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