Well log analysis, well log interpretation, well logging. View petrophysics and well logging research papers on academia. It is used to identify the potential for oil production at a given source and so forms the basis for the estimation of. You must be at least 18 years old to be eligible to trade in for credit or for an apple store gift card. None of the published works provide a comprehensive explanation of the methodology.
Geoloil petrophysics analysis software for windows, macos. How to easily read a well log in 5 minutes or less using. This study presents the log analysis results of a suite of geophysical logs comprising gamma ray gr, resistivity lld, neutron phin and density phid logs from six wells in laja field located in the niger delta. Well log digitizing, well log digitization, well log digtize software, well log scanning, map digitizing, well log analysis, well log interpretation, mining log, logdigi improved petrophysics analysis software, well logging digitizing, mapping digitizing, data normalization and correlation, well log normalization, correlation functions, normalize, correlate, fence diagram, automated log. It is important to future analysis that the heading information be complete and thorough. Well log is one of the most fundamental methods for reservoir characterization, in oil and gas industry, it is an essential method for geoscientist to acquire more knowledge about the condition below the surface by using physical properties of rocks.
Geoloil petrophysics analysis software for windows, macos, and. Welllogging correlation analysis and correlation of well. The value of the measurement is plotted continuously against depth in the well. Compare the best free open source mac log analysis software at sourceforge. Jlog is designed for those who do log analysis from time to time on unconventional reservoirs and conventional reservoirs with one or many zones that have all the same characteristics such as rw, rmf, grclean and so on. A typical desk top interpretation may consist of manual data extraction from log prints, hand plotting the appropriate crossplots for parameter selection, and then processing the data level by level in a hand held programmable calculator. It is written very clearly and designed from the ground up. Log analysis without the aid of taped or digitized data, and a minicomputer, is a tedious chore.
Without going into the specifics of the logging measurements, the log format conventions are presented, and an example is given that indicates the process of locating possible hydrocarbon zones from log measurements. Import bitmap files bmp, tif, jpg, png of cores cuttings and thin sections. It provides easy key board control for well log curves. Eesi las viewer does not replace your current well log analysis program but. Nash, phdaapg director of education and professional development, tulsa, ok bryan flynngeophysicisthgs continuing education committee, houston thom tucker, cpghgs continuing education committee, houston imagine a geologist, an engineer, and a landman sitting at their local. Pioneer well log database the pioneer well log database consists of a microsoft access 7. Jlog petrophysical software well log analysis software. Prime is a software package to process, analyze and store. A well log is a permanent record of the geophysical information measured at the time the log was performed. In addition, the rock surrounding the borehole has certain properties that affect the.
Michael webster michael webster is a senior petrophysics specialist with over 34 years experience in the oil and gas industry covering all aspects of petrophysics from exploration and appraisal, to producing mature giant fields. If one has been using a spreadsheet for log analysis the table of data can be imported by jlog if depth is present in one column. Provides a permanent record of one or more physical measurements as a function of depth in a well bore. The well log the well log studentled spe publication. We offer the worlds only purposebuilt well log scanner, bestinclass well log printers, industrystandard automated well log and map digitizing software, the most efficient geology analysis package, and a gisbased data access and visualization application that seamlessly pulls it all together. The methodology of search log analysis of web search engines, intranet searching, or other web searching applications. Basic well log analysis is a general introduction to common openhole logging measurements, both wire line and mwdlwd, and the interpretation of those measurements to determine the traditional analytical goals of porosity, fluid saturation, and lithologymineralogy. Geophysical and geological reservoir characterization both require specific log processing and editing, for example rocktyping from logs and cores, seismic. We offer a trial las well log viewer and displayer. Easytrace well log analysis easytrace is a multidisciplinary 1d data processing and editing tool, featuring under a very productive package a wide range of functionalities for geologists, geophysicists and reservoir engineers. This is a very fine introduction to petroleum well log analysis.
Google scholar a guide to well site interpretation for the. Pioneer well log database michigan technological university. Latest updates on everything log analysis software related. Neuralog digitize well logs, digitize maps, well log. Combining technically excellent display, editing and analysis capabilities for well data, wellcad has become the standard log composite software in the mining, oil gas and geotechnical industries. Log studio is the petroware reference implementation for witsml and related. If one has been using a spreadsheet for log analysis the table of data can be imported. It is arranged by the interpretation goals of the data, rather than by the underlying physics of the measurements. The eesi easy las viewer is a log ascii standard las file reader and log curve. This software will help you to find oil and water saturation of your reservoir. This chapter presents an expert system for log analysis, written in lotus 123, which is inexpensive, simple, and well tested. Geoloil is a software company for petrophysics interpretation on windows, macos, and linux.
Well log data analysis plays an important role in petroleum exploration. Pdf intelligent well log data analysis for reservoir. Well log interpretation training course petroskills wli. This chapter addresses the use of search log analysis also referred to as transaction log analysis for the study of web searching and. How to easily read a well log in 5 minutes or less using these six ko ko rules published on. Well logs can tell us many stories about our reservoir. Our log analysis software is service company independent and were experts in the manipulation and analysis of large data sets with diverse log types.
Each colorful line, each curve deflection and each curve type create the story of our reservoir. Pdf petrophysical analysis of well logs for reservoir. Well log analysis for reservoir characterization aapg wiki. Logidigis well log digitizing fee is much cheaper than. This work represents a petrophysicalbased method that uses well logs and core plug data to predict well log data recorded at depth in a shaly. Jlog works with wireline log and lwd log data indexed to depth. Log studio advanced well log analysis platform petroware. Well log digitizing, well log digitization services, well. Petrophysics and well logging research papers academia. Welllogging correlation analysis and correlation of well logs in rio grande do norte basin wells ricardo afonso salvador pernes march, 20 ricardo. Remember that a borehole represents a dynamic system. Well data is stored in the database, and then the database reads the las files to create log curve tables based on subsea depth and usersupplied parameters. Easytrace well log analysis easytrace is a multidisciplinary 1d data processing and editing tool, featuring a wide range of functionalities for geologists, geophysicists and reservoir engineers within a very productive package. The log heading should contain all of the information that is.
The plot also suggests the density, neutron and pefz logs are well calibrated. For clean formations you need salinity of formation water or sp log value, desityneutron log values and a. Jlog petrophysical software petrophysics software formation. Geoloil petrophysics runs on windows pc, macos, and linux. Petrophysicists interpret acquired well log data from newly drilled wells from a. Free, secure and fast mac log analysis software downloads from the largest open source applications and software directory. Free, lowcost, and open access data and software for. Asquith, george b log analysis by microcomputer, the petroleum publishing company, tulsa 1980. Petrophysicists look at the well log patterns, recognize the trends, and then turn those patterns into reservoir knowledge. Free, lowcost, and open access data and software for petroleum exploration and production susan s. Crains petrophysical handbook metalog expert system.