Geology _ Geophysics in Oil Exploration

# Geology geophysics in oil exploration

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Unformatted text preview: 2010 Geology & Geophysics in Oil Exploration Mahmoud Sroor Geology & Geophysics in Oil Exploration Contents Introduction………………………………………………………..3 Chapter 1: Sedimentary Rocks …………………………………....4 Chapter 2: Depositional Environments ……………………………14 Chapter 3: Structural Geology …………………………………….18 Chapter 4: Petroleum Geology …………………………………....27 Chapter 5: Seismic Survey …………………………………….….32 Chapter 6: Seismic Data Processing ………………………………38 Chapter 7: Seismic Data Interpretation ……………………………45 Chapter 8: Well Logging & Mud Logging ………………………..53 By: Geophysicist: Mahmoud Ahmed Sroor Mob: 002-0129990480 E‐mail: [email protected] [email protected] 2 Geology & Geophysics in Oil Exploration Mahmoud Sroor Geology & Geophysics in Oil Exploration Introduction Contouring: Process at which we make matching between points which have the same values on map to estimate certain feature (ex: thickness, Depth) Gridding: Process at which we divide area into smaller cells (Software is doing grid to make a contour) Grid Cell: The smallest unit in the grid with certain dimension Cell dimension: The dimension of the cell in the grid Grid dimension: Dimension which bound the grid Gridding Algorithm: Mathematical method done by software used to calculate values of the grids (ex: Triangle method) Location Longitude: dividing the earth longtidually by imaginary lines starts from zero The direction of subdividing starts from middle to East West We divide also between each Degree to Minutes & minutes also to Seconds For example: We can describe a location as 33.30/33//W(Degree Minute System DMS) Or 33.53 (Decimal System) Latitude: Dividing the earth horizontally by imaginary lines starts with Equator to North South We divide it also to Minutes & Seconds (ex: 33.30/45//N) X‐Y System A local system...
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