Method for evaluating the longitudinal deformation of proppant pack

Method for evaluating the longitudinal deformation of proppant pack

The invention discloses a method for evaluating the longitudinal deformation of proppant pack, mainly comprising the following steps: displace the proppant evenly on one steel sheet and cover the proppant with another same steel sheet; place pistons on the outer surface of two steel sheets respectiv...

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Hauptverfasser: Wen, Dilin, Wang, Jiandong, Duan, Youjing, Liu, Yuxuan, Guo, Jianchun, Chen, Chi
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Sprache:eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator Wen, Dilin
Wang, Jiandong
Duan, Youjing
Liu, Yuxuan
Guo, Jianchun
Chen, Chi
description The invention discloses a method for evaluating the longitudinal deformation of proppant pack, mainly comprising the following steps: displace the proppant evenly on one steel sheet and cover the proppant with another same steel sheet; place pistons on the outer surface of two steel sheets respectively to form a test unit; place the test unit on fracture conductivity tester, compact the proppant pack at a pressure of 0.6 MPa, measure the width between the two steel sheets at the four corners of the steel sheet, and calculate the average results; install the left and right displacement meters, increase the closure pressure from 6.9 MPa to 69 MPa with an increment of 6.9 MPa/time by pressure control system, record the readings of the left and right displacement meters after the pressure is increased each time and the meter reading is stable, and work out the total deformation of the experimental equipment and the proppant; make a curve chart of the relationship between pack thickness and pressure, and characterize the proppant pack deformation with Young's modulus. The evaluation method disclosed in the present invention makes up the technical gap in the study of proppant pack deformation in the prior art.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Method for evaluating the longitudinal deformation of proppant pack
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