Influence of ionic hydration’s inhibitors on swelling of clays and shales.
Sławomir Wysocki, Anna Wójtowicz, Magdalena Gaczoł
Vol. 33, no. 2 (2016), s. 471-481, 
Mud designed for drilling in clay rock and weakly compacted rock are developed based on inorganic or organic additions in order to improve inhibition of clay hydration. The paper presents the research results of influence of ionic hydration’s inhibitors on swelling of clays and shales.