1. Optimization study of xanthan gum production using response surface methodology
2. Gallino , G. Guarneri , A. Poli , G. , and Xiao , L. ( 1996 ) SPE 36426-MS Annual Technical Conference and Exhibition, Denver, Colorado.
3. Drilling fluids: State of the art
4. Ash , S.G. Clarke-Sturman , A.J. Calvert , R. , and Nisbet , T.M. ( 1983 ) SPE 12085-MS Annual Technical Conference and Exhibition, San Francisco, California.
5. Beck , F.E. Powell , J.W. , and Zamora , M. ( 1993 ) SPE 25767-MS Drilling Conference, Amsterdam, Netherlands.