By Abdus Satter, Ghulam M. Iqbal
Reservoir Engineering specializes in the elemental suggestions relating to the advance of traditional and unconventional reservoirs and the way those techniques are utilized within the oil and gasoline to fulfill either fiscal and technical demanding situations. Written in effortless to appreciate language, the publication presents necessary information about present-day instruments, options, and applied sciences and explains most sensible practices on reservoir administration and restoration ways. quite a few reservoir workflow diagrams provided within the e-book supply a transparent course to satisfy the demanding situations of the career. As such a lot reservoir engineering judgements are in keeping with reservoir simulation, a bankruptcy is dedicated to introduce the subject in lucid model. The addition of useful box case reports make Reservoir Engineering a necessary source for reservoir engineers and different execs in aiding them enforce a accomplished plan to provide oil and fuel according to reservoir modeling and monetary research, execute a improvement plan, behavior reservoir surveillance on a continual foundation, assessment reservoir functionality, and practice corrective activities as necessary.
- Connects key reservoir basics to fashionable engineering applications
- Bridges the traditional tips on how to the radical, exhibiting the diversities among the 2 processes
- Offers box case stories and workflow diagrams to assist the reservoir expert and scholar strengthen and sharpen administration abilities for either traditional and unconventional reservoirs
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Extra resources for Reservoir engineering : the fundamentals, simulation, and management of conventional and unconventional recoveries
The most commonly sought after properties include the following: • • Total organic carbon (TOC) Vitrinite reflectance (VR) The geomechanical properties indicate how effective hydraulic fracturing will be to produce the tight formation through a network of natural and artificial fractures. • • • Young’s modulus Poisson’s ratio Fracture stress Reservoir rock properties 31 Porosity of rock Typical reservoir rocks have a microscopic network of pores where reservoir fluids are stored. The porosity of a rock is defined as the volume of pore or void spaces present in the rock divided by the bulk volume of the porous rock.
Typical coalbed methane reservoirs may have permeability between 1 mD and 100 mD. Microdarcy mD 10−6 D Unconventional reservoirs. Tight gas sands have permeability in microdarcies. Shale reservoirs have matrix permeability in hundreds of nanodarcies. Nanodarcy nD 10−9 D Picodarcy pD 10−12 D Conventional reservoirs. Certain carbonate reservoirs with significant secondary porosity, fractures, vugs, and solution cavities may have a permeability value over a Darcy. Besides, some sandstone formations are also highly permeable.
Can the properties change once the rock is formed? Do depositional environment and rock type determine rock characteristics? Do rock properties vary significantly from one location to another in the same geologic formation? Are reservoirs inherently heterogeneous? On what scale do the rock heterogeneities occur? Are rock properties influenced by the fluids contained in the rock? What are the common methods for measuring rock properties? How are data related to the rock properties used in reservoir analysis?