3Rossi S, Luckham P F, Zhu S, et al. High-pressure/high- temperature rheology ofNa+-montmorillonite claysuspen- sions[C]. SPE 50725, 1999.
4Berg P C, Pederson E S, Lauritson A, et al. Drilling, com- pletion, and open-hole formation evaluation of high angle wells in high density cesium formate brine: the kvitebjom experience, 2004-2006[C]. SPE 105733,2007.
5Politte M D. Invert oil mud rheology as a function of tem- perature and pressure[C]. SPE 13458, 1985.
6Collette F, Lafuma R, Audebert R, et al. Macromolecular systems in heat-resistant drilling fluids; advantages of gel- s on linear polymers[J]. Journal of Applied Polymer Sci- ence, 1994, 53 (6): 755-762.
7Johann P, Fatima D B, Nils R L. Impact of the steric position of phosphonate groups in poly (N, N-dimethylacrylamide-co-2-acrylamido-2-methylpropa- nesulfonate-co-2-x-phosphonate) on its adsorbed conformation on cement: comparison of vinylphosphonic acid and 2-acrylamido-2-methylpropanephosphonate modified terpolymers[J]. Journal of Applied Polymer Science. 2010. 115(3) : 1758-1768.