Burdyn, R. F., and Wiener, L. D., 1956, Calcium surfactant drilling fluids: Am. Inst. 



Min. Met. Eng., Petroleum Br., Paper 719-G. 

 Garst, A. W., 1954, A low cost method of production stimulation: Am. Inst. Min. Met. 



Eng. Petroleum Br., Paper 386-G. 

 Hall, H. N., Tompson, Howard, and Nuss, Frank, 1950, Am. Inst. Min. Met. Eng. Petroleum 



Trans., v. 189. 

 Havenaar, I., 1954, Pumpability of clay -water drilling fluids: Am. Inst. Min. Met. Eng. 



Petroleum Br., Paper 392-C. 

 Huebotter, E. E., Dunn, T. H., and Bell, F. S., 1954, Drilling costs too high?: Am. 



Petroleum Inst. Paper 851-28A, Mar. 

 , and Emerson, B. W., 1954, Saturated salt water-emulsion mud solves 



Williston problem: Oil and Gas Jour., v. 53, p. 109-113, Dec. 13. 

 Lubinski, Arthur, 1954, Practical charts for solving problems on hole deviation: Drilling 



and Production Practice, Am. Petroleum Inst., p. 56-71. 

 , and Woods, H. B., 1953, Factors affecting the angle of inclination and 



dog-legging in bore holes: Drilling and Production Practice, Am. Petroleum Inst., 



p. 222-250. 

 Lummus, J. L., 1954, Multipurpose water-in-oil emulsion mud: Oil and Gas Jour., v. 



53, p. 106. 

 Nowak, T. J., and Krueger, R. F., 1951, The effect of mud filtrates and mud particles 



upon the permeability of cores: Drilling and Production Practice, Am. Petroleum Inst., 



p. 164-181. 

 Rogers, W. F., 1953, Composition and properties of oil well drilling fluids: 2d ed., Houston, 



Gulf Publishing Co. 

 Saunders, C. D., and Melton, L. L., 1956, Rheological measurements of non-Newtonian 



fluids: Am. Inst. Min. Met. Eng., Petroleum Br., Paper 716-G. 

 Savins, J. G., and Roper, W. F., 1954, A direct-indicating viscometer for drilling fluids: 



Div. of Production, Am. Petroleum Inst. Paper 901-30A, p. 7-22. 

 Slusser, M. L., and Glenn, E. E., 1956, Factors affecting productivity, drilling fluid particle 



invasion into porous media: Am. Inst. Min. Met. Eng., Petroleum Br., Paper 721-G. 

 _. , and Huitt, J. L., 1956, Factors affecting well pro- 

 ductivity: Am. Inst. Min. Met. Eng., Petroleum Br., Paper 720-G. 

 Univ. Texas, 1951, Principles of drilling mud control: 8th ed. 

 Watson, R. A., and Sullins, R. S., 1956, Application of 2000 hydraulic horsepower to 



rotary drilling: Am. Inst. Min. Met. Eng. Petroleum Br., Paper 702-G. 

 Williams, C. E., Jr., and Bruce, G. H., 1951, Carrying capacity of drilling muds: Am. 



Inst. Min. Met. Eng. Trans. 192. 



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