Visual testing device and method for research on seepage characteristics of oilfield chemicals
A technology for testing device and chemical agent, which is applied in the field of visual testing device for the research on seepage characteristics of oilfield chemical agents, can solve the problems of too small size, single variety and high production cost, and achieves the effects of small inner diameter, convenient operation and low cost
Active Publication Date: 2020-10-13
CHINA PETROLEUM & CHEM CORP +1
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However, microscopic physical simulation also has certain limitations. Because the microscopic model used is an etching model, its variety is single and its size is too small. At the same time, the model is made by photolithography technology, and its production cost is relatively high.
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[0027] In order to make the above and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments are listed below and shown in the accompanying drawings in detail as follows.
[0028] like figure 1 as shown, figure 1 It is a structural diagram of a visual testing device for the study of the oilfield chemical agent seepage characteristics of the present invention. The visual test device for the study of oilfield chemical agent seepage characteristics includes injection device, pressure measurement device, porous medium simulation device, heating and constant temperature device, and metering device.
[0029] The injection device is used for injecting water or oilfield chemicals into the porous medium simulation device. The injection device is composed of a syringe pump 1 and a syringe 2, the syringe pump 1 provides injection power, and the syringe 2 is filled with water or oil field chemicals.
[0030] The pressure measuring...
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The present invention provides a visualized test apparatus and a visualized test method for the research on the seepage property of an oil field chemical reagent. The visualized test apparatus comprises an injection device, a pressure measurement device, a porous medium simulation device, a heating constant-temperature device and a metering device, wherein the porous medium simulation device simulates a reservoir and comprises a sand core pipe and quartz sand, the quartz sand is positioned in the sand core pipe, the sand core pipe is a transparent silica gel pipe or glass pipe, the pressure measurement device real-timely determines the injection pressure when water or an oil field chemical reagent is injected, the injection device injects the water or the oil field chemical reagent into the porous medium simulation device, the heating constant-temperature device heats the porous medium simulation device, and the metering device meters the instantaneous flow rate during the injecting of the oil field chemical reagent. According to the present invention, the apparatus and the method have advantages of convenient operation and low cost, and provide the rapid test evaluation means for the related scientific research and production.
Description
technical field [0001] The invention relates to the field of enhanced oil recovery by tertiary oil recovery chemical flooding, in particular to a visual testing device and method for researching seepage characteristics of oilfield chemical agents. Background technique [0002] Physical simulation is one of the important means to evaluate the seepage characteristics of chemical agents indoors, and it plays an important guiding role especially in the study of enhanced oil recovery mechanism. In addition, accurate and reliable test data is the basis of various research work and the key to leading scientific decision-making. Therefore, the indoor physical simulation test plays an important role. [0003] At present, the indoor physical simulation evaluation system usually adopts three kinds of flat plate physical simulation device, sand filling pipe physical simulation device and microscopic physical simulation device. The first two simulation evaluation devices can simulate re...
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IPC IPC(8): G01N13/04
CPCG01N13/04
Inventor 李海涛杨勇曹绪龙闵令元郭兰磊祝仰文王红艳窦立霞徐辉董雯李彬孙秀芝何冬月庞雪君季岩峰王宁
Owner CHINA PETROLEUM & CHEM CORP