Download Fundamentals of Gas Reservoir Engineering by Jacques Hagoort (Eds.) PDF

By Jacques Hagoort (Eds.)

Fuel reservoir engineering is the department of reservoir engineering that offers completely with reservoirs of non-associated gasoline. The major goal of reservoir engineering is the formula of improvement and construction plans that might bring about greatest restoration for a given set of financial, environmental and technical constraints. this isn't a one-time job yet wishes continuous updating during the construction lifetime of a reservoir.The goal of this e-book is to collect the basics of fuel reservoir engineering in a coherent and systematic demeanour. it truly is meant either for college students who're new to the topic and practitioners, who may possibly use this publication as a reference and refresher. every one bankruptcy will be learn independently of the others and contains a number of, thoroughly labored routines. those routines are an essential component of the e-book; they not just illustrate the idea but in addition exhibit the best way to observe the speculation to sensible problems.Chapters 2, three and four are interested in the fundamental actual houses of reservoirs and average fuel fluids, insofar as of relevance to fuel reservoir engineering. bankruptcy five offers with the volumetric estimation of hydrocarbon fluids in-place and the recoverable hydrocarbon reserves of gasoline reservoirs. bankruptcy 6 provides the cloth stability strategy, a vintage technique for the research of reservoir functionality in line with the legislations of Conservation of Mass. Chapters 7-10 talk about a number of facets of the circulation of typical gasoline within the reservoir and the wellbore: unmarried section stream in porous and permeable media; gaswell trying out equipment according to single-phase movement ideas; the mechanics of gasoline circulate within the wellbore; the matter of water coning, the creation of water besides the gasoline in fuel reservoirs with underlaying backside water. bankruptcy eleven discusses common depletion, the typical improvement choice for dry and rainy gasoline reservoirs. the improvement of gas-condensate reservoirs through fuel injection is taken care of in bankruptcy 12.Appendix A lists the generally used devices in gasoline reservoir engineering, besides their conversion elements. Appendix B comprises a few detailed actual and mathematical constants which are of specific curiosity in fuel reservoir engineering. eventually, Appendix C comprises the actual homes of a few universal natural-gas elements.

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Standard conditions are not standardized and may vary form country to country. g. g. Louisiana). C. Hence, whenever gas formation-volume factors and gas volumes at standard conditions are reported, the standard conditions must be specified. 9 VISCOSITY Viscosity of fluids is a measure for the internal resistance of fluids to flow. The viscosity of reservoir gases can be described by Newton's Viscosity Law which states that at any point the shear force per unit area is proportional to the local velocity gradient perpendicular to the flow direction.

Suppose that n moles of natural gas, when brought to the surface, split into nG moles of gas and n moles of liquid condensate. The molar condensate/gas ratio, denoteg by RMLG, is then simply defined by The volumetric condensatei'gas ratio is defined as the ratio of the volume of condensate at stock-tank conditions, VLst, and the volume of gas at standard conditions, VGsc. Thus Gas Properties The volume of gas at standard conditions is related to the number of moles of gas by the Ideal-Gas Law and given by The volume of condensate is related to moles of condensate by = molecular mass of liquid condensate where ML pLst = density of condensate at stock-tank conditions.

The critical temperature and pressure of the individual components are given in Appendix B. Gas P r o p e r t i e s Solution Pars Component yixlo0 Pci Yipci bar bar T . 1836 Wichert-Aziz c o r r e c t i o n : From t h e Standing-Katz c h a r t : z = 0 . 87 COMPRESSIBILITY The gas compressibility is defined as the relative volume increase per unit pressure drop at a constant temperature. 20) yields Gas Properties Hence, for ideal gases the compressibility is simply the reciprocal of the pressure.

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