Simulation experiment device for deepwater underwater shaft
A simulation experiment device, deep water technology, applied in wellbore/well components, measurement, earth-moving drilling, etc., can solve problems such as large theoretical prediction error, sharp rise in confined space pressure, and rise in wellbore temperature, and achieve high numerical accuracy Effect
A simulation experiment device, deep water technology, applied in wellbore/well components, measurement, earth-moving drilling, etc., can solve problems such as large theoretical prediction error, sharp rise in confined space pressure, and rise in wellbore temperature, and achieve high numerical accuracy Effect
CN105178944AActive Publication Date: 2015-12-23CHINA UNIV OF PETROLEUM (BEIJING)
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[0044] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
[0045] The inventor found that in the prior art, the measurement of the temperature and pressure of the deep-water underwater wellbore is mainly calculated by on-site measurement and theoretical model, which leads to large errors in theoretical prediction and cannot meet the actual needs of on-site engineering. The experimental device is used to simulate the deep-water underwater wellbore, and the temperature and pressure of the deep-water underwater wellbore are measured by the temperature sensor and the pressure sensor, so as to solve the above-mentioned problems in the prior art. Based on th...
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The invention provides a simulation experiment device for a deepwater underwater shaft. According to the simulation experiment device, an experiment sleeve group is vertically placed on a base, and used for simulating the underwater shaft; supercharging equipment is used for providing a pressure for a fluid flowing in the experiment sleeve group; temperature sensors are used for measuring the temperature field changes of the fluid in the experiment sleeve group; pressure sensors are used for measuring the pressure field changes of the fluid in the experiment sleeve group; liquid level detectors are used for measuring the liquid level change values of the fluid in the experiment sleeve group; a flow detection system is used for measuring the flow of the fluid flowing through a high-pressure pipeline; a data acquisition system is used for acquiring and processing the temperature data, the pressure data and the liquid level data of the fluid in the experiment sleeve group; the high-pressure pipeline is used for providing a flowing channel for the fluid; and a temperature control system is used for providing heat for the fluid flowing in the experiment sleeve group. The device provided by the invention can be used for simulating the deepwater underwater shaft, so that the value accuracies of the measured temperature and pressure are high, and meet the actual needs of field engineering.
Description
technical field [0001] The invention relates to the test technology of the temperature and pressure field of an underwater wellbore, in particular to a simulation experiment device for a deepwater underwater wellbore. Background technique [0002] Due to the influence of water depth, the temperature of the seabed and shallow formations is low, while the temperature of the reservoir fluid is relatively high. In the first few hours of oil and gas well testing and production, due to the flow of oil and gas in the production casing, the casing rings of each layer will The temperature of the fluid in the empty confined space increases significantly. As the test or production time continues, the temperature of the wellbore can rise by nearly 100 degrees, resulting in a sharp increase in the pressure in the confined space, which will seriously damage the integrity of the wellbore. At present, for the measurement of the temperature and pressure of the deepwater underwater wellbore, ...
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Patent Timeline
23 Dec 2015
Publication
CN105178944A
- IPC
- E21B47/06; E21B47/07; E21B47/047; E21B47/00
- Inventors
- 杨进; 宋宇