By Jacques Hagoort (Eds.)
Gasoline reservoir engineering is the department of reservoir engineering that bargains completely with reservoirs of non-associated gasoline. The best function 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 task yet wishes continuous updating in the course of the creation lifetime of a reservoir.The goal of this e-book is to compile the basics of gasoline reservoir engineering in a coherent and systematic demeanour. it really is meant either for college kids who're new to the topic and practitioners, who may well use this booklet as a reference and refresher. every one bankruptcy should be learn independently of the others and comprises a number of, thoroughly labored workouts. those workouts are a vital part of the publication; they not just illustrate the idea but in addition exhibit the way to follow the speculation to functional problems.Chapters 2, three and four are keen on the elemental actual houses of reservoirs and average gasoline fluids, insofar as of relevance to gasoline reservoir engineering. bankruptcy five bargains 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 procedure for the research of reservoir functionality in response to the legislation of Conservation of Mass. Chapters 7-10 talk about numerous points of the move of ordinary fuel within the reservoir and the wellbore: unmarried section move in porous and permeable media; gaswell trying out equipment in keeping with single-phase movement rules; the mechanics of fuel movement within the wellbore; the matter of water coning, the construction of water besides the gasoline in fuel reservoirs with underlaying backside water. bankruptcy eleven discusses ordinary depletion, the typical improvement alternative for dry and rainy fuel reservoirs. the advance of gas-condensate reservoirs by means of gasoline injection is taken care of in bankruptcy 12.Appendix A lists the widely used devices in fuel reservoir engineering, in addition to their conversion elements. Appendix B comprises a few precise actual and mathematical constants which are of specific curiosity in gasoline reservoir engineering. ultimately, Appendix C comprises the actual homes of a few universal natural-gas parts.
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Additional info for Fundamentals of Gas Reservoir Engineering
If natural gas and its constituents were to behave as ideal gases, molar volumes of the natural gas mixture and the individual gas components would be equal (Avogadrots Law) and thus mole fractions would be equal to volume fractions. Therefore, as a first approximation mole fractions or percentages may be thought of as volume fractions or percentages. 1 lists the compositions of natural gas from the Pars field, Iran (Ref. l ) , the Groningen field, The Netherlands (Ref. 2) and the Waterton field, Canada (Ref.
Ver. Det. , 45 (1901), 1782-1788. 6. : "Estimating the Coefficient of Inertial Resistance in Fluid Flow Through Porous ~ e d i a " ,Soc. Pet. Eng. J. (October 1974), 445450. 7. H. : "The Effect of Turbulence on Flow of Natural Gas Through Porous Media", J. Pet. Tech. (July 1962), 799-806. 8. , Shrimanker, N. : "Estimation of the Coefficient of Inertial Resistance in High-Rate Gas Wells", SPE Paper 14207 presented at the 60th Annual Fall Meeting, Las Vegas (1985). 9. C. : "Fundamentals of Rock Mechanics", Chapman and Hall, London (1969) 10.
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. For real gases a correction is to be applied that depends on the pressure dependence of the z-factor. 22) may be approximated with the well-known central difference formula.