Stratton, E. F., 389 

 strip log plotting templet, 25 

 strip log, preservation, 48-50 

 strip log, reproduction, 51 

 strontium ions, 262 

 structural contour maps, 457-463 

 style, reports, 789, 790 

 subsurface geology, 11-12 

 subsurface geologist, 12 

 subsurface maps, 453 

 sulphate ions, 258-260 

 Swift, Gilbert, 329, 879 



Tapper, Wilfred, 345 



tectofacies maps, 450 



temperature logging, 345, 352 



texture, 34 



texture classification, 35 



thermochemistry, 121 



thermoluminescence analysis, 179 



thin-section analysis, 59 



thin-section preparation, 60 



Tixier, Maurice P., 267, 879 



Todd, John D., 793, 880 



total field logging, 430 



total field logs, 434 



township and range, 527, 528 



tracer logs 435 



training the petroleum geologist, 3-7 



Travis, Russell B., 59, 880 



true dip, 536 



turbine drilling 665 



turbo drill, 665-675 



u 



ultra violet-light, oil detection, 359-361 



universal stage, 69 



universal stage techniques, 69-71 



valuation, 793 

 variable-density profile, 580 

 Variac, 183 

 viscosity, drilling fluid, 717 



w 



wall cutting, 728, 729 



Washington-Bunting porosimeter, 234 



water analysis, 251 



water-analysis patterns, 255, 256 



water-base mud, 723, 724 



water sampling, 251, 252 



water shutoff, 740 



wavefront charts, 578 



wellbore damage, 748-751 



well-completion methods, 763 



well cuttings, examination of, 17 



well deflection, 544 



well-logging methods and interpretation, 



265 

 well, plugback, 771 

 well-sample description, 42 

 well-sample hardness, 38 

 well-sample solubility, 39 

 well-sample tests for oil, 40 

 well-stimulation, 767, 770 

 well surveys, 678-681 

 Wendlandt, E. A., 815, 881 

 Wentworth size classification, 97 

 whipstock, 684 

 wildcat drilling, 846-856 

 wildcat well report, 785, 786 

 wire-line coring, 701-705 

 writing scientific reports, 779 

 Wulff stereographic net, 531-533 



X-Y-Z 



X-ray analysis, 149 

 X-ray diffraction, 150-153 

 Youmans, Arthur, 329, 881 

 zoning, microfossil, 204, 205 



887 



