Experimental method for evaluating spontaneous imbibition capability of shale, and device thereof
An experimental method and experimental device technology, applied in the field of shale self-priming ability evaluation experimental method and device, can solve the problems of affecting the accuracy of experimental results, increasing permeability, and low drilling success rate, etc., to facilitate unified parameter evaluation , the experimental results are accurate, and the effect of self-priming ability is convenient
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no. 1 example
[0037] Please refer to figure 2 , this embodiment provides a shale self-priming ability evaluation experimental method, which is applied to the shale self-priming ability evaluation experimental device, and the method includes:
[0038] Step S200: Obtaining various physical parameters of the shale sample processed by the wire cutting method;
[0039] In this embodiment, the shale sample may be made from a shale core by wire cutting. Because the wire cutting method avoids damage to shale caused by water expansion and mechanical vibration when water drilling samples are taken, the shale samples processed by the wire cutting method preserve the original water-containing porosity, pore structure, permeability, etc. of the shale well. Physical property parameters, so accurate physical property parameters of the shale samples can be measured. It can be understood that the physical property parameters of the shale sample are the physical property parameters of the shale sample tha...
no. 2 example
[0076] Please refer to Figure 9 , this embodiment provides a shale self-priming capacity evaluation experimental device 900, which includes:
[0077] A physical parameter acquisition module 910, configured to acquire various physical parameters of the shale samples processed by the wire cutting method;
[0078] The mass acquisition module 920 is configured to acquire, in real time, the mass change of the shale sample partially immersed in the surface to be imbibed according to a preset time interval;
[0079] The evaluation module 930 is configured to obtain an evaluation result of the self-absorption capacity of the shale sample based on the physical property parameters of the shale sample acquired in real time and the quality change of the shale sample.
[0080] Please refer to Figure 10 , in this embodiment, preferably, the shale self-priming capacity evaluation experimental device 900 may also include:
[0081] The wire cutting control module 940 is used to process the ...
no. 3 example
[0083] Please refer to Figure 11 , the present embodiment provides a shale self-priming ability evaluation experimental device 1000, which includes a balance 1100, a shale sample 1200 and a beaker 1300, the top of the shale sample 1200 is hung on the balance 1100, the The liquid to be imbibed 1400 is contained in the beaker 1300, the bottom of the shale sample 1200 is immersed in the liquid to be imbibed 1400, and the side of the shale sample 1200 is sealed with wax.
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