Gas Well Testing Handbook
Offering a thorough understanding of gas well test analysis basics, this book focuses on practical field application, where over 100 field examples are presented to illustrate basic methods for analysis.
TABLE OF CONTENTS Gas Well Testing Handbook
Chapter 15: Gas Well Testing Field Case Studies
15.1 Introduction
This chapter presents various field case studies in low, high permeability, and fractured carbonate gas wells including summary, conclusions, and recommendations. It also includes a gas well test evaluation sheet, state report forms, and various cross plotting techniques before and after workovers.
15.2 Gas Well Test Evaluation Sheet
| Filed name | aaaa | |
| Well name | bbbb | |
| Zone number | cccc | |
| Interval | feet | |
| Reservoir datum | feet ss | |
| Estimated reservoir pressure | psia | |
| Reservoir temperature | R | |
| Net hydrocarbon thickness | feet | |
| Gas saturation | fraction | |
| Porosity | fraction | |
| Fluid viscosity | cP | |
| Compressibility | psi ?1 | |
| Hydrocarbon porosity | fraction | |
| Fluid gradient | psi/ft | |
| Z-factor |
| |
| Well radius | feet | |
| Drainage radius | feet | |
| Cumulative production prior to test | mmcf |
| Gas composition | H 2 S | CO 2 | N 2 | C 1 | C 2 | C 3 | iC 4 | nC 4 | iC 5 | nC 5 | C 6 | C 7+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mol % |
| Choke size ( ?/64 ) | Rate (mmcfd) | Duration (min) | Cumulative time (hr) | Final BHP (psia) | Final THP (psia) |
|---|---|---|---|---|---|
Copyright Elsevier Science 2003 under license agreement with Books24x7
