Observation device and method for microscopic oil displacement visualization model
A technology of observation device and model, which is applied in earthwork drilling, production of fluids, wellbore/well components, etc., can solve the problems of low light source intensity and inconvenient replacement of objective lenses, and achieves improved light intensity, improved observation accuracy, and reduced The effect of small thickness
Active Publication Date: 2017-12-05
PETROCHINA CO LTD
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[0008] The present invention provides an observation device and observation method for a microscopic oil displacement visualization model to at least solve the problems of low light source intensity and inconvenient replacement of objective lenses in the visualization model observation device in the prior art
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[0041] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0042] In order to improve the problems of low light source intensity and inconvenient replacement of objective lens existing in the observation process of the existing visualization model, an embodiment of the present invention provides an observation device for a microscopic oil displacement visualization model. image 3 It is a structural schematic diagram of the observation device (side model) of the microscopic oil displacement visualization mo...
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The invention discloses observing device and method for a microscopic oil displacement visualization model. The observing device comprises a light source device, a model observing area device and an observing device body; the light source device comprises a lighting device and a light transmission device; the light transmission device is connected into the observing area device; the light emitted by the lighting device enters a model observing area through the light transmission device; the model observing area device comprises a top cover equipped with an observing glass window, a medium barrel, a visual model and a bottom cover; the visual model is fixed in the middle part of the medium barrel; the medium barrel is full of confining pressure liquid; a light transmission device inlet of the light transmission device is formed in the wall of the medium barrel; a light reflecting device is arranged on the bottom cover; the light entering the medium barrel is reflected by the light reflecting device to reach the visual module; the observing device body observes the visual model through the observing glass window. With the adoption of the observing device, the reflecting loss of the transmitted light can be reduced, and the light intensity can be ensured; the structure is optimized, and the microscopic capacity of a microscope is brought into full play.
Description
technical field [0001] The invention relates to the technical field of oil and gas field development experiments, in particular to an observation device and an observation method for a microscopic oil displacement visualization model. Background technique [0002] Due to the objective needs of understanding various oil displacement mechanisms, microscopic oil displacement physical simulation has become an important means for people to study microscopic oil displacement mechanisms. [0003] The visualization model can obtain more intuitive seepage characteristics and mechanism of water flooding oil in multi-layer sandstone reservoirs. Combined with the geological characteristics of the actual reservoir, conduct water flooding experiments with different water injection methods and different water injection speeds to investigate different water injection methods and different injection speeds The influence on the efficiency of water flooding, and the distribution characteristic...
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IPC IPC(8): E21B43/16E21B47/002
CPCE21B43/16E21B47/002
Inventor 秦积舜陈兴隆李实许世京
Owner PETROCHINA CO LTD