Device and method for testing gel breaking performance of gel breaker for filter cake
A technology of testing device and glue breaker, applied in the direction of measuring device, instrument, scientific instrument, etc., can solve the problem of inability to simulate accurately, and achieve the effect of simple structure, good stability and strong operability
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[0035] In the following, the porous sand disc is used as the filter loss medium, the weak gel drilling fluid is used as the test drilling fluid, and fresh water is used as the simulation fluid to illustrate the gel breaking performance test device of the gel breaker on the filter cake and the testing and use method of the present invention.
[0036] like figure 1 As shown, during the test, first check the gel-breaking test bucket 4, and install a porous sand disc 7 with a gas permeability of 400mD in the gel-breaking test bucket 4; add 150ml of fresh water to the gel-breaking test bucket 4; Tighten the threaded cap 3 of the liquid inlet end of the barrel 4 and place the rubber breaking test barrel 4 in the heating device 5, connect the pipeline and the high-pressure air source 1; open the liquid inlet valve stem 2 of the glue breaking test barrel 4, The test barrel 4 is pressurized to 0.5MPa. Use the heating device 5 to control and stabilize the temperature of the gel breakin...
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