Course attendees will receive a textbook on well test analysis written by dr. Modern well test analysis study a variety of seepage problems of transient testing theory and well test analysis methods. Item analysis is useful in helping test designers determine which items to keep, modify, or discard on a given test. Modern well test analysis is a 5day well test analysis course personally conducted by dr. Two features of modern decline analysis that improve upon the traditional. The use of advanced interpretation models, elsevier science, 2002.
This book is also the course test for his popular courses that are taught at the collegiate and continuing levels. Well test analysis for wells produced at a constant pressure. Reservoir characterization constrained to welltest data mmc. Part 1 petroleum engineers face the daily challenges of designing and testing wells. Modern well test analysis reservoir analysis in the computer age dr. Horne modern well test analysis a computer aided approach petro way 1995. Recent technology developments have provided the ability for pdgs to measure both flow rate. Horne is the author of modern well test analysis 4. Description of a well test dd i bu p p pt p pt p t.
Horne, modern well test analysis, second edition, petroway, inc. A procedure to integrate well test data, reservoir performance history and 4d seismic information into a reservoir description. The well test interpretation procedure has been completely automated in. The well cased with 958 to 1016 m and it is open hol between 1016 and 16 m.
A drill stem test is a test which uses a special tool mounted on the end of the drill string. A new method to account for producing time effects when drawdown type curves are used to analyze pressure buildup and other test data, spe paper 9289, presented at the 55 th spe annual technical conference and exhibition, dallas, tx. Professor of petroleum engineering, stanford university. This is the superposition principle van everdingen and hurst, 1949. Well test analysis is a critical tool to understand well and reservoir performance. The pressure transient analysis pta principles derived and the examples discussed in this book are broadly applicable to all types of wells. Advances in well test analysis during the 1980s and 90shave been associated with. Pressure transient analysis pta of well testing data is a key tool for the oil and gas industry.
This course consists of lecture presentations and doing exercises using pcs and a software featuring all the latest analysis techniques. Horne stanford university overview during the 1980s, there were several major advances in the science of well test interpretation, these have been associated with. It is a test commonly used to test a newly drilled well, since it can only be carried out while a rig is over the hole. Backed by a wealth of information thanks to modern computerization and big data, well test analysis and design has greatly increased the. Traditional welltest analysis provides good insight into the average proper. However, a bottleneck in utilizing the pdg data is that the commonly applied well test methods are limited practically to short sections of shutin data only and thus fail to utilize the long term pdg data. All constantrate welltest solutions in a slab reservoir had a sernilog straight line of the same. This test involves simultaneous production from a pay zone and reinjection into other. Horne r modern well test analysis, a computer aided aproach free ebook download as pdf file. In the presented research, the effect of compact pressure, temperature and porosity on compressibility was investigated. The suprid research group investigates and supports novel approaches to the interpretation of oil, gas, geothermal, and water well tests. Item analysis the examination of individual items on a test, rather than the test as a whole, for its difficulty, appropriateness, relationship to the rest of the test, etc. The well tests conducted in the well kd15 were found to be suitable for the purpose of analysis with such modern interpretation methods.
Rosa and horne 1983 conducted a comprehensive study of nonlinear. Conventional analysis of pressure drawdownbuildup data c. N modern well test analysis, a computeraided approach. Jenkins, spe, arco exploration and production technology summary in this paper we present a method to integrate well test, production, shutin pressure, log, core, and geological data to. For all the tests in transient regime the measurements of pressure were made at 1075 m depth, thus near the upper permeable zones of the deep reservoir in well asal 3. Results from pta are used as the basis for reservoirscale models and the wellconstrained values for permeability and skin are used to make important decisions such as whether to stimulate and by which method, and assess whether a well will produce at commercial levels. Roland horne has designed this course to show you how to. Aquifer testing reference list aquifer testing 101. Pore volume compressibility is one of the physical properties of a reservoir that must be specified in many reservoirengineering calculations. This paper presents multilayer testing and analysis techniques to obtain layer permeabilities and skin factors using flow rate and transient pressure data which was generated into eclipse100 simulation software. Unlike any other oil and gas surveillance activity, a pressure transient test provides information about well and reservoir performance permeabilitythickness kh and skin s, hydraulic connectivity over large volume and average reservoir pressure.
Pet 467 e analysis of well pressure tests 2008 spring. Please feel free to use the most recent edition of textbooks referenced in this list. Semilog analysis type curve analysis well test concepts and design. Behavior of well h16 is related with a heating early because at depth the slope of the pressure line decreases, i. Identifying the behavior of thermodynamic parameters. For a buildup after a single drawdown period at rate q during t p.
Conventional well testing methods usually involve surface production of fluid or changing rate at the surface. Performing a harmonic test requires an impractical test time, longer than conventional tests by more than one order of magnitude hollaender et al. Durocdanner pressure transient analysis in drawdown and buildup background to transient pressure analysis introduction development of pressure testing exploration well testing radial flow theory the basic flow equations fluid of constant compressibility further development of the accumulation term linearization of the radial flow. Horne r modern well test analysis, a computer aided aproach 1. Horne modern well test analysis a computeraided approach roland n. Processing and analysis of transient pressure from permanent. For the purpose of this study, we considered commingled reservoir and is defined as the joint production from two or more layers from a single common wellbore. The twolayered testing and analysis techniques are presentend and existing interpretation methods for estimating layer permeabilities. Basic concepts in well testing for reservoir description. Unlike any other surveillance activity, a pressure transient test provides information about the well and reservoir performance permeabilitythickness kh and skin s, hydraulic connectivity over large volume and average reservoir pressure. Reservoir characterization constrained to welltest data. Well test interpretation is therefore an inverse problem in that model parameters are inferred by analyzing model response to a given input. In a dst, the well is opened to flow by a valve at the.
Pdf horne r modern well test analysis, a computer aided. Item analysis is useful in helping test designers determine which items to keep, modify, or discard on a. Horne r modern well test analysis, a computer aided. This highly regarded course has been attended by thousands of oil and gas, and geothermal professionals around the world for more than 20 years.
Sometimes surface facilities to store the reservoir fluid is not available and hence the fluid is discharged or flared. Modern well test analysis oil and gas training courses in. The permanent downhole gauge pdg is a promising resource for real time downhole measurement. Horne r modern well test analysis, a computer aided aproach. N modern well test analysisa computeraided ap proach. Petroleum engineering reference list 2017 page 1 of 3 note. Interpret well test to determine reservoir properties analyze transient well data to diagnose well condition design well tests for maximum efficiency and success. Interference well testingvariable fluid flow rate journal. The diffusivity equation used to generate the well test analysis solutions is linear.
Well test analysis free download as powerpoint presentation. A new method to account for producing time effects when drawdown type curves are used to analyze pressure buildup and other test data, spe paper 9289, presented at the 55 th spe annual technical conference and exhibition, dallas, tx, sept. Backed by a wealth of information thanks to modern computerization and big data, well test analysis and design has greatly increased the reliability of test results for far less cost. The challenges of using regression in well test analysis is compounded by the. The present study, focuses on green well test procedures that do not involve surface. For oil and geothermal reservoirs with low formation permeability the duration of the test may require a long period of time and it can be difficult to maintain a constant. Hence in many cases well test analysis is synonymous with pressure transient analysis. Finding the right technical data guide for conducting these tasks can be daunting, and so renowned petroleum engineer george stewart has written the. In the case of well h9, as can be seen in figure 8, it can be identified that it has a light interval feed between 500 and 650 masl and other.