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Device special for online measurement of dryness of steam injection well

A special device, steam injection well technology, applied in the direction of material capacitance, etc., to achieve the effect of simple measurement system, simple operation process, and low environmental requirements

Inactive Publication Date: 2013-09-18
NORTHEAST GASOLINEEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The purpose of this invention is to provide a special device for online measurement of dryness of steam injection wells, which is used to solve the problem of online measurement of dryness parameters of steam injection wells and to grasp the steam injection situation of oil wells

Method used

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  • Device special for online measurement of dryness of steam injection well
  • Device special for online measurement of dryness of steam injection well
  • Device special for online measurement of dryness of steam injection well

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Embodiment Construction

[0026] Below in conjunction with accompanying drawing, the present invention will be further described:

[0027] Such as figure 1 As shown, this special device for online measurement of steam injection well dryness is composed of capacitance sensor, temperature sensor, pressure sensor, signal processor, single-chip microcomputer, memory, and computer. The capacitance sensor, temperature sensor, and pressure sensor are respectively connected to the signal processor. The signal processor is connected to the single-chip microcomputer, and the single-chip microcomputer is connected to the computer; the signal processor, the single-chip microcomputer, and the memory are installed on the circuit board, and the circuit board 3 and the power supply battery 2 are installed in the vacuum flask 1, referring to figure 2 , The capacitive sensor 4 is cylindrical, one end of the capacitive sensor 4 is fixedly connected with the vacuum flask 1, and the other end is fixed with a temperature s...

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Abstract

The invention relates to a device special for online measurement of the dryness of a steam injection well, composed of a capacitance sensor, a temperature sensor, a pressure sensor, a signal processor, a singlechip, a memory and a computer, wherein the capacitance sensor, the temperature sensor and the pressure sensor are connected to the signal processor respectively; the signal processor is connected to the singlechip which is connected to the computer; the signal processor, the singlechip and the memory are mounted on a circuit board; the circuit board and a power supply battery are mounted in a vacuum flask; the capacitance sensor is tubular; one end of the capacitance sensor is fixedly connected to the vacuum flash; and the temperature sensor and the pressure sensor are fixed to the other end of the capacitance sensor. The device employs the cylindrical capacitance sensor for measuring the humidity of steam, and performs the measurement of the dryness of wet steam based on the difference between water and steam in dielectric constant; and the measurement system is simple without extracting steam for sampling, and low in requirements for the environment; the cost of equipment is low; and the operation process is simple and convenient.

Description

1. Technical field: [0001] The invention relates to an on-line testing instrument for the dryness parameter of a steam injection well, in particular to a special device for on-line measurement of the dryness of a steam injection well. 2. Background technology: [0002] Heavy oil has the characteristics of high viscosity and uneven distribution. The usual mining method is to inject high-temperature and high-pressure steam into the oil well, and then extract the oil after it becomes fluid. It is also an important reference for the rational use of steam resources. The temperature and pressure of the injected steam are generally around 300°C and 20 MPa. Therefore, the test instrument works in an environment of high temperature, high pressure and severe vibration, which will inevitably put forward more stringent requirements for the dryness tester. [0003] The existing main measurement methods include: chlorine radical method, thermodynamic method, optical method, tracer metho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/22
Inventor 韩建赵继峰全星慧牟海维王晓东
Owner NORTHEAST GASOLINEEUM UNIV
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