High-temperature and high-pressure fluid solid-phase precipitation amount measuring device and method

A high-temperature, high-pressure, measuring device technology, applied to measuring devices, analytical materials, instruments, etc., can solve problems such as inaccurate experimental results and cumbersome experimental procedures

Active Publication Date: 2020-12-15
SOUTHWEST PETROLEUM UNIV
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Problems solved by technology

[0004] The main purpose of the present invention is to provide a high-temperature and high-pressure fluid solid-phase precipitation measurement device and method, aiming to solve the tech

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  • High-temperature and high-pressure fluid solid-phase precipitation amount measuring device and method
  • High-temperature and high-pressure fluid solid-phase precipitation amount measuring device and method

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Embodiment Construction

[0044] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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 invention.

[0046] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship...

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Abstract

The invention discloses a high-temperature and high-pressure fluid solid-phase precipitation amount measuring device and method. The high-temperature and high-pressure fluid solid-phase precipitationamount measuring device takes a high-low temperature alternating test box and a volume-variable high-pressure reaction kettle with a stirring function as cores, and comprises a reaction kettle system,a stirring system, a sample transferring system and a measuring system. The high-temperature and high-pressure fluid solid-phase precipitation amount measuring device is characterized by: measuring the mass and solid phase mass percentage of an experimental fluid by configuring the experimental fluid to be measured; transferring a sample from the sample transferring cylinder to a reaction kettlein a pressure maintaining manner, and starting to cool the reaction kettle after sample transferring; after the experimental temperature is reached, discharging a certain amount of supernatant, measuring the mass of the supernatant and the solid-phase mass percentage at the temperature, and calculating to obtain the solid-phase precipitation amount at the temperature; and after the steps are repeated, a relation curve of the solid-phase precipitation amount and the temperature under the pressure can be obtained, and a relation curve of the solid-phase precipitation amount and the temperature under different pressures can be obtained by changing the pressure. According to the high-temperature and high-pressure fluid solid-phase precipitation amount measuring device and the method, the solid-phase precipitation amounts of the fluid at different temperatures, pressures and time can be conveniently determined, the experimental process is simplified, and the experimental data precision is improved.

Description

technical field [0001] The invention relates to the technical field of petroleum instruments, in particular to a device and method for measuring the amount of solid-phase precipitation of a high-temperature and high-pressure fluid. Background technique [0002] In the process of petroleum development and production, the problem of solid phase precipitation is a serious problem faced by oil and gas well production. Solid phase precipitation includes: precipitation of wax, benzene, scale, colloid, asphaltenes, and salts. The precipitation of wax, benzene, colloid, asphaltenes, and salts refers to the precipitation of wax, benzene and other molecules in the fluid when the temperature of the fluid is lower than the temperature of the solid phase precipitation point. Scale precipitation means that when the ion concentration in the water exceeds the concentration potential, the ions in the water will be precipitated. When the content of asphaltene and colloid in the fluid is hig...

Claims

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Application Information

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IPC IPC(8): G01N33/28
CPCG01N33/2835
Inventor 刘建仪谢泱陈奕兆王茜吴红军刘己全
Owner SOUTHWEST PETROLEUM UNIV
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