Combustion driven three-dimensional physical analogue device

Abstract

The invention relates to a three-dimensional physical simulation device for a combustion drive, comprising an injecting system, a simulation body, a measurement and control system and an output analysis system. The injecting system consists of an air compressor, a pressure-stabilizing bottle, an injection pump, a steam generator, a flow meter and a middle piston container; the measurement and control system consists of a thermocouple, a temperature of an injection well, a pressure, a flow collector, a differential pressure transducer of an output well, a computer and an interface circuit thereof; the output analysis system consists of a produced fluid recoverer, a gas online analyzer and an electronic balance; the simulation body is connected with the injection system, the measurement andcontrol system and the output analysis system and consists of the body, a close cover which is fixed with the body into a whole, a thermal insulator arranged on the bottom of a cavity in the body, and an experimental oil layer, a spacing ring and a piston assembly which are arranged in the cavity of the thermal insulator in sequence; a five-point type flooding well network, the nine-point type flooding well network and at least one layer of the thermocouple are arranged in the experimental oil layer; the hydraulic pressure cylinder is perpendicular to the piston assembly and arranged on the top of the close cover.

Description

1. Technical field [0001] The invention relates to an indoor test device for oil thermal recovery fire displacement technology, in particular to a three-dimensional physical simulation device for fire displacement. 2. Background technology [0002] The currently used combustion displacement physical simulation device adopts a long cylindrical structure, which can simulate the combustion displacement situation, but it also has the following shortcomings or deficiencies: ① only one-dimensional simulation experiments can be carried out, and the research parameters are limited to the basic combustion parameters of the oil layer , such as: crude oil ignition point, fuel content, H / C ratio, air consumption, one-dimensional simulated recovery factor, etc.; ② can only study the axial propulsion law of the fire front, and cannot evaluate the planar propulsion and distribution of the fire front (3) It is impossible to deeply explore the mechanism of combustion flooding, which has litt...

AI Technical Summary

Problems solved by technology

[0002] The currently used combustion displacement physical simulation device adopts a long cylindrical structure, which can simulate the combustion displacement situation, but it also has the following shortcomings or deficiencies: ① only one-dimensional simulation experiments can be carried out, and the research parameters are limited to the basic combustion parameters of the oil layer , such as: crude oil ignition point, fuel content, H / C ratio, air consumption, one-dimensional simulated recovery factor, etc.; ② can only study the axial propulsion law of the fire front, and cannot evaluate the planar propulsion and distribution of the fire front ③The mechanism of combustion flooding cannot be deeply explored, and it has little guiding effect on on-site reservoir management, which directly affects the development prospect of combustion oil recovery technology

Images