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Experimental procedure strength testing

Several experimental procedures are employed in order to give an estimation of the fracture toughness of nanocomposites, which makes it sometimes difficult to assess this feature. The simplest ones are those that employ either analogical or instrumented impact tests (Charpy, Izod, and falling weight), and the impact strength is... [Pg.135]

Several articles with informative bibliographies covering formation protection additives have appeared recently(97,101,102). The exact rock formation sample in question, the ionic strength of the treatment fluid, the preventive additives that are present, the pH of the fluid, and the test procedure employed all have significant effects on the test results. However, with careful experimentation using representative materials a preventive additive package can be administered as part of a water-based fracture treatment to allow effective stimulation of most hydrocarbon reservoirs. Because of this, water-based fracturing fluids are used in approximately 90% of all fracture treatments performed today. [Pg.72]

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See also in sourсe #XX -- [ Pg.91 ]



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Strength testing

Strength tests

Testing procedures

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