EXPLORING
for PETROLEUM................ 33 selection one Discovering an Oil Field.....................34 SELECTION tWO What Are People Who Are Engaged in Exploration for Oil? What Instrunnents Do They Use?...39 Stories Behind Words: chapter three DRILLING for OIL.............. 53 selection one Drilling a Well........................................... 54 SELECTION tWO Drilling for Oil Is a Difficult Job.......... 74 selection three Drilling Operations................................... S3
CHAPTER OIL RECOVERY.................. 89 selection one Recovering the OIL................................. 9O SELECTION tWO Methods to Keep Oil Deposits CHAPTER five
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