CONTENTS. 5 
The Gulf Coastal Plain oil — Continued. Page. 
Accumulation of the oil — Continued. 
Anticlinal structure 142 
Saturation of the rocks and circulation of the saturating fluid. 142 
Structural conditions 144 
Physical and chemical properties of the Texas-Louisiana oil 146 
Physical properties 146 
Color and odor . 146 
Specific gravity 146 
Flash and burning point 147 
Viscosity 148 
Chemical properties 148 
Composition 149 
Volatility 150 
Constitution 153 
Associated hydrocarbons 154 
Natural gas *. 154 
Well phenomena 154 
Well pressure 154 
Cause of pressure 155 
Utilization of the Gulf Coast petroleum 157 
Illuminating oil 157 
Fuel 158 
Theoretical value 158 
Safety 159 
Practical tests in steam raising 160 
Comparative fuel value of coal and Beaumont petroleum 160 
Locomotive tests 161 
Methods of burning the oil . . _• 162 
Storage and transportation 165 
Methods and cost of well drilling 166 
Rotary method 166 
Machinery and operation 166 
Cost of drilling 169 
Finishing the well I- 170 
Index 171 
