Mechanism of shales stabilization by hydrophobized poly(ethylene glycol)/K+ in water-base drilling fluids
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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 |
| Fig. 8. TG and DTG profiles for different initial concentrations: (a) bentonite/K+/OA-PEG2000-OA complexes, (b) bentonite/K+/PEG saturated complexes (Ci=4500 mg/L). |
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