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Measuring device for liquid production capacity of oil well and measuring method thereof

A measurement device and measurement method technology, applied in the directions of measurement, earthwork drilling, wellbore/well components, etc., can solve problems such as measurement error, and achieve the effects of improving measurement accuracy, improving energy saving effect, and strong practicability

Pending Publication Date: 2018-12-11
SHAANXI KEWO ELECTRIC CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The oil well metering method of the Gongtu method is an ideal oil metering method. There are inaccuracies in diagnosis, effective stroke, and changes in working conditions, and the instability of the automatic control front-end equipment will cause metering errors, which will affect the large-scale promotion and application in the oilfield field.

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  • Measuring device for liquid production capacity of oil well and measuring method thereof
  • Measuring device for liquid production capacity of oil well and measuring method thereof

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Embodiment Construction

[0028] The measuring device and measuring method for oil well fluid production according to the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0029] In the description of the present invention, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0030] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connec...

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Abstract

The invention relating to the technical field of oil well measurement discloses a measuring device for the liquid production capacity of an oil well and a measuring method thereof, thereby improving the measuring precision of the liquid production capacity of the oil well. The measuring device comprises an oil reservoir, a calibrating member, a liquid level detecting member, and a PLC device. Thecalibrating member is configured to load a predetermined volume of to-be-measured oil into the oil reservoir to determine a volume pulse equivalent of the to-be-measured oil in the oil reservoir. Theliquid level detecting member arranged in the oil reservoir is configured to detect the rising height of the to-be-measured oil in the oil reservoir and transform the rising height of the to-be-measured oil into the pulse number. The PLC device is connected to the liquid level detecting member. The measuring device for the liquid production capacity of an oil well and the measuring method thereofcan be used for realizing large-scale application of the liquid production capacity.

Description

technical field [0001] The invention relates to the technical field of oil well measurement, in particular to a measuring device and method for oil well fluid production. Background technique [0002] As an important part of oilfield production management, the measurement of oil well fluid production is one of the main bases for understanding reservoir conditions and formulating production plans. Among them, the measurement of oil well fluid production refers to the measurement of intermittent crude oil output at the wellhead of the oil field. [0003] At present, there are mainly two measurement methods for the measurement of oil well fluid production. First, mechanical flowmeter measurement, for example, tipping bucket flowmeter, there is a large error between the liquid production measured by the mechanical flowmeter and the actual liquid production, usually the error is about 30%, the reason is that the mechanical The liquid production measured by the mechanical flowme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/00
CPCE21B47/00
Inventor 何小根王瑜冯丹敏
Owner SHAANXI KEWO ELECTRIC CO LTD
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