A high temperature and high pressure adiabatic oxidation experiment system and method
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A high-temperature, high-pressure, experimental system technology, applied in the direction of material inspection products, measuring devices, instruments, etc., can solve problems such as damage, achieve the effects of maintaining reaction temperature, ensuring safety, and improving experimental accuracy
Inactive Publication Date: 2017-05-10
SOUTHWEST PETROLEUM UNIV
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This not only puts forward higher requirements on the thermal conductivity of the reactor material, but also requires a very thin wall to conduct heat quickly. However, the reactor must withstand very high pressure under high temperature conditions during the reaction process. If the reactor Thin wall thickness, prone to damage under high pressure
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Embodiment 1
[0041] The specific experimental steps of the high temperature and high pressure adiabatic oxidation experimental system are as follows:
[0042] 1) Fill the experimental oil sand into the core steel sleeve 18, connect the two ends of the core steel sleeve 18 with the heat insulation layer 1 9 and the heat insulation layer 2 14, and send it into the model kettle body 8, and install the model injection ports 1 and 1 at both ends respectively. Model kettle body 8, flange 4, core steel sleeve 18, model head 5, kettle body end cover 15, kettle body head 16 and model outlet 17;
[0043] 2) The experimental container module is located in the center of the system, and the pressure tracking compensation module and the sample injection module are respectively connected to ensure the sealing of each connection position. Before use, the entire system needs to be tested for pressure, and the pressure test pressure should meet the requirements of the experiment. Pressure, not exceeding 70M...
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Abstract
The invention relates to a high-temperature high-pressure heat-insulated oxidation experiment system and method. The system comprises a pressure tracking and compensating module, an experimental container module, a sample injection module and an upper control module; the experimental container module is located in the center of the system and is connected with the pressure tracking and compensating module and the sample injection module separately; the experimental container module comprises a model injection port, experiment oil sand, a model kettle, high-strength bolts, flanges, a rock-core steel jacket, a model closure head, a kettle end cover, a kettle closure head, a model outlet, chamber filler, an igniter system, a temperature sensor, a heating element, heat insulating layers, a thermal tracking element, a temperature detector, an annular pressure injection port and a pressure-sensing point. According to the system and the method, the structure is novel, heat insulation is achieved through a temperature compensating element and the thin-walled rock-core steel jacket with good heat conductivity, and meanwhile, the pressure tracking and compensating module is arranged to ensure that the thin-walled rock-core steel jacket cannot be damaged by too high pressure, so that an experiment can more actually simulate an oxidation reaction process.
Description
technical field [0001] The invention relates to the technical field of oil and gas field development, in particular to a high-temperature and high-pressure adiabatic oxidation experiment system and method. Background technique [0002] In recent years, reservoir air flooding has been proved to be an effective and potential enhanced oil recovery technology. Whether the air injection technology can be effectively implemented depends on whether the oxygen can fully oxidize the crude oil in the formation. After the crude oil is oxidized, a certain amount of flue gas will be generated to directly displace the crude oil. At the same time, after the oxidation reaction between the air and the crude oil in the reservoir, the composition and gas composition of the crude oil will change, and the properties of the crude oil will also change accordingly. Therefore, it is of great significance to study the oxidation reaction of crude oil in air to guide the development of oil and gas fie...
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