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Method for metering oil production yield and analyzing and optimizing operating condition of oil well and system thereof

An optimization method and technology for liquid production, which can be used in surveying, earth-moving drilling, wellbore/well components, etc., to solve the problems of complex flow regime, few successfully put into use, and non-uniform mixing, etc., to achieve high reliability, The effect of low cost investment

Inactive Publication Date: 2007-05-30
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the oil, gas, water and other components in the oil well production fluid are generally not uniformly mixed, and flow at different speeds, and may interact to form wax and hydroxide, and cause unpredictable complex flow patterns
Therefore, it is very difficult to develop a flow meter with a wide range of applications, and few of them have been successfully put into use
[0020] Moreover, in the above methods, it is necessary to set up oil well metering stations, and to collect data through manual regular operations, so there are inevitably problems such as discontinuity and the need to establish related ground metering processes and devices, and at the same time increase the cost

Method used

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  • Method for metering oil production yield and analyzing and optimizing operating condition of oil well and system thereof
  • Method for metering oil production yield and analyzing and optimizing operating condition of oil well and system thereof
  • Method for metering oil production yield and analyzing and optimizing operating condition of oil well and system thereof

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Embodiment 1

[0054] The invention provides an oil well fluid production measurement, working condition analysis and optimization system. As shown in Figure 1, the system at least includes: a data acquisition controller (RTU) 101, a working condition acquisition and monitoring unit 102, and a liquid production measurement unit 103; wherein,

[0055]The data acquisition controller RTU101 is installed in the oil well and connected with the sensor set on the oil well pumping unit, used to collect the working condition data of the sensor and transmit the working condition data to the working condition acquisition and monitoring through the wireless communication network Unit 102, and control the oil well; wherein, the control of the oil well refers to the intelligent control of the oil well such as opening, stopping, and issuing sound alarms for starting and stopping the well;

[0056] The working condition acquisition and monitoring unit 102 performs information interaction with the data acqui...

Embodiment 2

[0080] The present invention also provides a method for oil well fluid production measurement and working condition analysis and optimization. The method is completed by the above-mentioned measurement system. The method includes the steps of:

[0081] The data acquisition controller 101 acquires the working condition data transmitted by the sensor set on the oil well pumping unit, and transmits the working condition data to the working condition collecting and monitoring unit 102 through the wireless communication network;

[0082] The working condition acquisition and monitoring unit 102 receives and processes the working condition data, and transmits the working condition data to the fluid production metering unit 103, and monitors the operating status of the oil well; wherein, the working condition data is processed It refers to encrypting and packing the working condition data; the operating status of the oil well specifically refers to: whether the well is open, whether t...

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Abstract

The invention provides a method for measuring the liquid-producing of oil well and optimizing the working condition, and the system. The method comprises obtaining the floor data transferred by sensor on the oil pumping unit in oil well, transferring the floor data to condition collection and monitor cell by no-wire communicated net; taking over said floor data by condition collection and monitor cell and transferring the floor data to the measuring cell for liquid-producing and monitoring the running condition of oil well; after taking over the floor data by the measuring cell for liquid-producing, calculating liquid-producing according to the floor data and the base data stored in database. By the invention, under the condition that there in no measuring station in oil well, the automatic extraction for the floor data of remote oil well is realized and the dynamic change can be mastered in time under no-human on duty.

Description

technical field [0001] The present invention relates to the measurement of oil well fluid production and working condition analysis and optimization technology, in particular to a method and system for measuring and working condition analysis and optimization of oil well fluid production combined with oil production engineering technology, communication technology and computer technology. Background technique [0002] At present, the oil well production measurement methods used in domestic oilfields mainly include: glass tube measuring orifice gas measurement, tipping bucket oil measuring orifice gas measurement, two-phase separation density method and three-phase separation measurement method, etc. [0003] 1. Measurement of crude oil [0004] Use glass tube liquid level to measure oil: [0005] Glass tube oil measurement is a traditional method commonly used in domestic oil fields, accounting for more than 90% of the total number of oil wells. The advantage of this metho...

Claims

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Application Information

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IPC IPC(8): E21B47/00E21B43/00E21B47/12
Inventor 檀朝东
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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