The Scientific World Journal / 2013 / Article / Tab 3

Research Article

Chemical Effect on Wellbore Instability of Nahr Umr Shale

Table 3

Mineral composition and content of the Nahr Umr Shale.

DepthMineral content (%)
QuartzPotassium feldsparSoda feldsparAnorthoseCalciteDolomiteIron pyriteHematiteTCCM

3645.1051.70.80.22.744.6
3649.8360.81.20.44.732.9
3666.0048.51.90.31.44.543.4

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.