Gas Conditioning & Processing (Volume 3)

درباره کتاب Gas Conditioning & Processing (Volume 3)

بخشی از پیشگفتار کتاب Gas Conditioning & Processing (Volume 3) نوشته Maddox از انتشارات آییژ:

This, the third volume of the Gas Conditioning and Processing series is a logical extension of material in the first two volumes. Those two volumes presented the basic fundamentals and applications for the most common equipment and systems used in the producing٫processing segment of the petroleum industry. For the most part the calculations presented are useful for manual calculation and should give reliable results. Some yield answers that are as good as those obtainable on a computer, either by virtue of the quantity or quality of data normally available, or by the very nature of the calculation itself. Many of these equations, in fact, have been programmed for convenience.

In other cases only the computer can be used effectively. Examples of these are unsteady state and two-phase flow, certain fractionation and absorption processes, expansion of fluids across chokes and expanders, PVT and flash calculations, etc. These involve repetitive and٫or trial-and-error calculations which are not feasible timewise by manual calculation methods.

Some recapitulation of information in the first two volumes is presented in this volume to make it somewhat self-standing for training purposes. However, the user of this volume must be familiar with the content of these preceding volumes in order to use this one effectively. The course using this volume is entitled “Advanced Gas Conditioning and Processing” to denote this situation.

The purpose of this volume is to assist you, the engineer, in this development process. Selected specific technical information, (the best available at the time of writing) along with some guidelines for analyzing computer predicted results will be presented. The quality of the specific technical facts will deteriorate with time. New knowledge will become available to replace the information given here. We believe the guidelines for analyzing the results will be pertinent for years to come; they have served the authors and many of our colleagues in the gas processing industry for many years. Some ideas about pro- gram organization, and the logical framework of typical computer programs will be given. We don’t teach programming. The programs that we will discuss are programs written and used extensively by the authors and others in the petroleum industry.

The techniques presented are not recipes. They are principles which must be supplemented by the good judgment and intelligence of the user. The programs you use may be different from those presented. This is not important if you realize the limitations of the program used, have feedback on how it has worked in past applications and then interpret the results in a manner which reflects the non- mathematical factors affecting system performance. In the final analysis our goal is to improve man- machine interaction.

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