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Reservoir mapping

Fluid catalytic cracking-1 link :   • Fluid catalytic cracking-FCC Lecture-1   Petroleum Refining Technology-1 :   • Petroleum refining technology 1   Drill bits-Roller cone bit    • Drill bit-  Roller cone bit   Rotary drilling rig components-1 Reservoir simulation-   • Lecture- Reservoir simulation basics   Petroleum Refining Technology-2    • Petroleum refining technology- 2   The purpose of geological mapping is to find and delineate thick and continuous Type 1 reservoirs as the primary target and Type 2 reservoirs as secondary targets for developments. Due to the generic association and spatial, proximities these two reservoir types commonly have to be developed simultaneously. Their finding, delineation and visualization involve several steps. While oil-oil and oil-source rock correlation is a routine part of most exploration programmes, it is only rarely that detailed comparison of oil compositional variations within reservoirs are studied. Although many mechanisms serve to homogenize reservoir fluids, petroleum populations of varied composition can be defined and related to reservoir contiguity and the history of field filling from diverse source rock assemblages. The definition of these heterogeneous petroleum populations, while of great significance to exploration problems related to field filling and definition of prospective sub-traps, is also an under-exploited development tool. Conventional approaches to reservoir definition rely heavily on sedimentological and downhole geophysical analysis of formations coupled with flow testing. Petroleum population mapping may allow direct definition of filling/production conduits within fields if mixing processes can be understood and quantified.