Mechanism of shales stabilization by hydrophobized poly(ethylene glycol)/K+ in water-base drilling fluids

VILLABONA-ESTUPIÑAN Santiago,de ALMEIDA RODRIGUES JUNIOR Jorge,de ABREU Carolina Ferreira,NASCIMENTO Regina Sandra Veiga

Table 3. Bentonite loading of water dispersions containing inhibitors under different conditions.

Water dispersion system Bentonite load /(g•L-1) Control group PEG2000 mPEG2000- OA OA- PEG2000-OA Jeffamine D-230 PDADMAC No KCl 40* 60* 100* 200* 120 650 KCl 400 350 500 600 / /