Combustion drive front thermal compensation tracking experimental device
An experimental device and heat compensation technology, which is applied in the fields of production fluid, wellbore/well components, earthwork drilling and production, etc., can solve the problems of inaccurate heat calculation of adiabatic simulation device, error of heat compensation method of heat compensation device, etc.
Pending Publication Date: 2018-05-25
北京永瑞达科技有限公司
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[0014] The purpose of the present invention is to provide an experimental device for thermal compensation tracking of the frontier of combustion flooding to solve the problems of inaccurate heat calculation of the adiabatic simulation device and large error of the heat compensation method of the heat compensation device in the prior art
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[0038] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but 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.
[0039] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...
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The invention discloses a combustion drive front thermal compensation tracking experimental device which includes a reaction device and a confining pressure device, wherein the reaction device comprises a strip-shaped sealed reaction chamber component, a sand filling rock core filling the reaction chamber component and a plurality of tracking thermal compensation devices arranged in the axial direction of the reaction chamber component. The confining pressure device includes a strip-shaped sealed confining pressure chamber component and a positioning device clamped in the confining pressure chamber component, and the outer wall of the confining pressure chamber component is provided with a confining pressure injection port. The reaction chamber component is sleeved inside the confining pressure chamber component and is fixed to the confining pressure chamber component through the positioning device. The two ends of the confining pressure chamber component are also provided with an injection joint and an output joint, and the injection joint and the output joint are correspondingly connected with the two ends of the reaction chamber component respectively. The combustion drive frontthermal compensation tracking experimental device reduces heat loss by adopting a mode of tracking the combustion drive front to perform thermal compensation, the interference to heat in combustion drive simulation is reduced, so that the combustion goes on continuously, the simulation precision is high, and the error is small.
Description
technical field [0001] The invention belongs to the technical field of fire flooding mining method simulation, and in particular provides an experimental device for thermal compensation tracking of the fire flooding front. Background technique [0002] Heavy oil occupies a large proportion of the world's oil and gas resources. According to statistics, the world's proven conventional crude oil geological reserves are about 4200×10 8 m 3 , while the geological reserves of heavy oil (including high pour point oil) reservoirs are as high as 15500×10 8 m 3 At present, my country has discovered a large number of heavy oil reservoirs in 15 large and medium-sized oil-bearing basins and regions such as Songliao Basin, Jungar Basin, Erlian Basin and Bohai Bay Basin. The forecast data shows that my country's heavy oil reservoir reserves are as high as 80% ×10 8 m 3 above. However, due to the characteristics of high viscosity and high freezing point of heavy oil, the seepage resist...
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Login to View More IPC IPC(8): E21B43/243
CPCE21B43/243
Inventor 温源昌
Owner 北京永瑞达科技有限公司