Experimental device and method for thick oil water thermal-catalytic cracking under effect of low frequency vibration waves

Abstract

The invention discloses an experimental device and a method for thick oil water thermal-catalytic cracking under the effect of low frequency vibration waves. The experimental device comprises a reaction tank, a constant temperature heating device, a temperature detecting unit, a pressure detecting unit, an electric vibration experiment stand and a vibration acceleration detecting unit, wherein the electric vibration experiment stand is used for driving the reaction tank to continuously vibrate up and down together with the constant temperature heating device; the vibration acceleration detecting unit is used for detecting the vibration acceleration of the electric vibration experiment stand in a real time manner; the reaction tank is placed in the constant temperature heating device and integrally assembled with the constant temperature heating device; the constant temperature heating device is fixed on the electric vibration experiment stand; and the vibration frequency of the electric vibration experiment stand is 5-500 Hz; and the experimental method comprises the following steps: (1) experiment preparation, (2) preheating, (3) thick oil water thermal cracking experiment under the effect of the low frequency vibration waves, and (4) oil sample extraction and data organization. The invention has the advantages of reasonable design, convenience for mounting and laying, complete functions, simplicity and convenience in use and operation, good use effect and capability of solving various actual problems in the thick oil recovery process.

Description

technical field [0001] The invention belongs to the technical field of hydrothermal catalytic cracking experiment of heavy oil in an oil production chamber, and in particular relates to an experimental device and method of hydrothermal catalytic cracking of heavy oil under the action of low-frequency vibration waves. Background technique [0002] my country is rich in heavy oil resources, mainly distributed in Liaohe, Shengli, Xinjiang and Henan oil fields. Conventional technologies currently used in heavy oil production are steam huff and puff and steam flooding. The working principle is to inject high-temperature steam into the oil layer from the ground, and use the heat carried by the high-temperature steam to heat the oil layer, effectively reducing the viscosity of the heavy oil and reducing the viscosity of the heavy oil. The flow resistance in the wellbore and pores enables the heavy oil to be developed reasonably, but problems such as low steam heat utilization rate,...

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Problems solved by technology

However, this technology still has the disadvantages of small radius of action of the catalyst, high viscosity recovery rate of the heavy oil after cracking, and the catalyst cannot be in good contact with the heavy oil.

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