Chapter1 - OUTLINE PETROLEUM GEOLOGY FOR PE'S I...

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Unformatted text preview: OUTLINE PETROLEUM GEOLOGY FOR PE'S I INTRODUCTION What is petroleum geology? Short history of petroleum geology Occurrences of petroleum in the geologic column Types of rocks in which petroleum is found Conventional and Non-conventional reservoirs II METHODS OF PETROLEUM EXPLORATION OR HOW DO GEOLOGIST EXPLORE FOR OIL AND GAS Drilling operations Oil vs. gas; 4 inch casing vs. 5 inch; costs; Sources of geologic data Formation evaluation through sample examination in conjunction with open hole logs of all types and mud logs; data from log headings; sample cut; SW calculations; DST data Mapping techniques Correlation of open hole logs in order to gather geologic data Regional and local mapping Use of surface mapping data Use of subsurface data III TRAPS Depositional environments as relating to traps Structural-types of structures, anticlines, faults, etc. Stratigraphic facies changes, etc. IV TYPES OF RESERVOIRS Rocks types Porosity and permeability Diagenetic effects on reservoirs V ORIGINATING A DRILLING PROSPECT Apply and evaluate all data pertaining to the prospect Land considerations etc. Drilling permits; I002A forms; leases; spacing; poolings; Read and evaluate a lease agreement; Relationship of Operator with Working Interest investors via Joint Interest Agreements Role of Oklahoma Corporation Commission VI SUMMARY OF COURSE MATERIAL LAB EXERCISES See Syllabus REFERENCE TEXTBOOKS GEOLOGY OF PETROLEUM SECOND EDITION A. I. LEVORSEN ELEMENTS OF PETROLEUM GEOLOGY SECOND EDITION RICHARD C. SELLEY 1 INTRODUCTION What is petroleum geology? Short history of petroleum geology Occurrences of petroleum geology in the geologic column Types of rocks in which petroleum is found Conventional and non-conventional reservoirs PETROLEUM GEOLOGY Application of geology (study of rocks) to the exploration for and production of oil and gas. Petroleum Exploration Geologist - a geologist who explores for oil and gas by putting together drilling prospects to discover new producing fields. Petroleum Development Geologist - a geologist who develops additional drilling locations within a producing oil and gas field. EMPLOYMENT Major Integrated Company e. g. Conoco-Phillips Large or Small Independent Company e. g. Devon, Map Exploration Self Employed Independent e. g. Tom Rowland w u z w u Physics Chemistry Biology tfl w 0:: ~ ~ ~ 0.....
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Chapter1 - OUTLINE PETROLEUM GEOLOGY FOR PE'S I...

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