... within the kaolinite. This pH reduction increased with the surface area of kaolinite available for reaction. In addition, CWD also neutralised an acid solution prepared in the laboratory. Those samples containing carbonates and alkaline clays actually increased the pH to alkaline levels. Although...

... value of the rock when Sr = 1.0, according to geological classification, is shown in Table 2. This table shows that the resistivity of the rock is greatly affected by its mineral composition. This then led to investigation of the mineral composition of the Table 3 : Relative surface areas rock types...

... ABSTRACT: The physical properties of clay soils are strongly influenced by the mineralogy of the clay fraction. It has been shown that the surface area and cation exchange capacity of clays is also strongly dependent on mineralogy, and that these quantities can be reliably measured using dye...

... 500kN rams with a stroke of 100mm, each ram acting only in push. (Figure in full paper) Upstream Oil & Gas displacement hydraulic fracturing comminution dominant parting plane surface area parting plane Directional Drilling friction Siltstone specimen sandstone coefficient...

... index properties (particularly, spe- cific surface area and dielectric con- stant) to shale strengths. These shale strength/index property correlations have significantly enhanced our wellbore sta- bility modeling capabilities. With these correlations, in situ strengths of forma- tions in deep wells can...