Visible elasticity testing instrument and testing method for elastic microsphere

A technology for measuring elastic microspheres and elasticity, which is applied in the direction of applying stable tension/pressure to test the strength of materials, and can solve the problems that cannot be used to evaluate the strength of elastic microspheres

Inactive Publication Date: 2015-07-01
山东石大油田技术服务股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But above-mentioned device can't be used for evaluating the intensity of elastic microsphere itself, and the purpose of the present invention is

Method used

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  • Visible elasticity testing instrument and testing method for elastic microsphere
  • Visible elasticity testing instrument and testing method for elastic microsphere
  • Visible elasticity testing instrument and testing method for elastic microsphere

Examples

Experimental program
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Effect test

Embodiment 1

[0019] A visual variable-diameter tube-type elastic microsphere strength elasticity tester, including an air source, a pressure gauge, an intermediate container, three variable-diameter tubes, and a receiving container. The variable-diameter tubes are respectively fixed by brackets, and the rubber pistons respectively Connected with the intermediate container and the receiving container, the inner diameter of the three reducing tubes is 6mm, the reducing diameter of the first reducing tube is 2mm and 1mm, the reducing diameter of the second reducing tube is 3mm and 2mm, and the third reducing tube The reducing diameter of the tube is 5mm and 4mm.

[0020] Elasticity measurement method of elastic microspheres: put the elastic microspheres into the intermediate container, open the valve connected to the first reducing tube, close the other two valves, turn on the air source, pressurize the elastic microspheres into the reducing tube, record Gauge pressure P 0 , continue to pres...

Embodiment 2

[0023] A visual variable-diameter tube type elastic microsphere elastometer, including a gas source, a pressure gauge, an intermediate container, three variable-diameter tubes, and a receiving container. The variable-diameter tubes are respectively fixed by brackets, and are respectively connected to the The intermediate container is connected to the receiving container, the inner diameter of the three reducing tubes is 6mm, the reducing diameter of the first reducing tube is 3mm, 2mm and 1mm, the reducing diameter of the second reducing tube is 4mm, 3mm and 2mm, the third reducing tube The reducing diameter of a reducing tube is 5mm, 4mm and 3mm.

[0024] Elasticity measurement method of elastic microspheres: put the elastic microspheres into the intermediate container, open the valve connected to the first reducing tube, close the other two valves, turn on the air source, pressurize the elastic microspheres into the reducing tube, record Gauge pressure P 0 , continue to pre...

Embodiment 3

[0027] A visual variable-diameter tube type elastic microsphere strength tester, including a gas source, a pressure gauge, an intermediate container, three variable-diameter tubes, and a receiving container. The variable-diameter tubes are respectively fixed by brackets, and are respectively connected to the The intermediate container is connected to the receiving container, the inner diameter of the three reducing tubes is 6mm, the reducing diameter of the first reducing tube is 2mm and 1mm, the reducing diameter of the second reducing tube is 3mm and 2mm, the third reducing tube The variable diameters are 4mm, 3mm and 2mm.

[0028] Method for measuring the strength of elastic microspheres: put the elastic microspheres into the intermediate container, open the valve connected to the first reducing tube, close the other two valves, turn on the air source, pressurize the elastic microspheres into the reducing tube, and record Pressure gauge pressure P 0 , continue to pressuriz...

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Abstract

The invention relates to a visible elasticity testing instrument and testing method for an elastic microsphere and belongs to a technology for evaluating a modifying and flooding agent for tertiary oil recovery in an oil field. The visible elasticity testing instrument mainly comprises a gas source, an intermediate container, 2-5 reducer pipes and a receiving container, wherein one reducer pipe comprises 2-3 different reducing parts to simulate a porous stratum system. The strength of the elastic microsphere is characterized through recording the maximal pressure acting on the elastic microsphere passing through the reducing parts, meanwhile, the average strength of one group of elastic microspheres and a number of the elastic microspheres passing through the reducer pipes under different pressures can be measured so as to select elastic microspheres suitable for different stratums. The visible elasticity testing instrument has the advantage of well simulating a capillary network structure in which wide and narrow holes in the stratums are strung together. In addition, the instrument is simple to operate.

Description

1. Technical field [0001] The invention relates to a device for evaluating the performance of a regulating and displacing agent in oil and gas field exploitation, and is specifically described as an elastic microsphere strength measuring device and a measuring method thereof. 2. Background technology [0002] As the oilfield enters the later stage of development and production, the difficulty of production becomes more and more serious. The traditional profile control technology is limited by the difficulty of production and cannot meet the needs of oilfield profile control. In order to meet the needs of deep profile control technology, elastic microsphere deep profile control technology came into being. Elastic microspheres are a deep control and displacement agent that matches the size of reservoir rock pore throats. When they exist in rock pores, they can hinder or block water flow, and a large number of microspheres have Migration, plugging, elastic deformation, re-migr...

Claims

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Application Information

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IPC IPC(8): G01N3/10
Inventor 徐鹿敏杨诗林雨叶卫保马中跃温鸿滨
Owner 山东石大油田技术服务股份有限公司
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