Imbibulous Agent Penetration Velocity Tester

Abstract

The invention provides an imbibition agent seepage velocity tester. The tester comprises a data acquisition system, a fixing rack and at least one sand containing pipe; the data acquisition system comprises a sensing module, an alarm module and a timing module; the fixing rack comprises a base and a fixing module; a ruler extends along a vertical direction from an outer wall of the sand containing pipe, and the sand containing pipe is vertically fixed on the base through the fixing module and is used for providing an imbibition flow passage; the sensing module is arranged on the base and is used for outputting a sensing signal when an imbibition agent flows through the sand containing pipe to the base; the alarm module is connected with the sensing module and is used for receiving the sensing signal and generating an alarm signal according to the sensing signal; the timing module is connected with the alarm module and is used for starting timing when the imbibition agent is put, stopping timing when the alarm signal is received and obtaining the seepage velocity of the imbibition agent according to the length of timing.

Description

technical field [0001] The invention relates to the field of oil and gas field development, in particular to a permeation velocity tester for chemical imbibants used in the development of low-permeability oil reservoirs. Background technique [0002] At present, there are many penetrants for pesticide synergism on the market in our country, such as: penetrant BX, penetrant JFC, fast penetrant T, etc. The penetrant capability of these penetrants is tested by immersing a cotton disc of known properties in a solution of known concentration of penetrant. Because the air is trapped in the cotton fiber pores, the cotton disc floats on the liquid surface. As the solution penetrates the cotton, the air is displaced and the cotton disc begins to descend. This method does not involve special equipment to measure the time required for the cotton disc to start to settle from contact with the liquid surface. Different from the application field of oil field permeant, the test principl...

AI Technical Summary

Problems solved by technology

However, because there is no research in this area before, there are no related concepts and related instruments for testing this parameter.

In the early stage of our laboratory, we can only use alkaline burettes in chemical experiments to replace them. The testing process is all manual. There is no standard method, lack of related instruments, large operating errors, troublesome operation and cleaning, and poor reproducibility. very ideal

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