The observed seismic anisotropy is used to infer the amount of cracks and their orientation with respect to. Basic relationships of well log interpretation introduction this chapter provides a general introduction to well logging principles and methods that will be used throughout the book. Mehdi tadayoni universiti teknologi malaysia auckland. Evolution of the schlumberger resistivity image log pad design, starting with the. Older acoustic televiewer log left and interpretation image right the resolution of the tool allows us to determine events of about 10 mm in width. Generate and execute custom well log interpretation routines. Evolution of the schlumberger resistivity image log pad design, starting with the original two pad fms located on 2 of the 4 pads of the shdt dipmeter, the four pad fmi which could be twinned with another tool at 45 degree offset for better borehole coverage, and the eight pad fmi hd tool which gives about 98% coverage in an 8 boreho. Department of petroleum engineering and applied geophysics. Geolog provides extensive borehole image processing workflows and advanced analysis capabilities for both interactive interpretation and automatic detection of bedding dip, fracture analysis, classification of rock texture and quantitative image analyses.
Data processing schlumberger techlog software speed correction pads image. Interactive petrophysics is a pcbased software application for reservoir property analysis and summation. Hardware and software equipment to process the received data. Lab amesim models with models of various levels of detail such as 3dmbs tools or advanced fea or cfd codes. Driven by a passion for engineering, fmi started machining in 1962. The observed seismic anisotropy is used to infer the amount of cracks and their orientation with respect to the rock model. It illustrates how fmi helps covering all the phases of product design in a scalable way by connecting lms imagine.
Faps fault analysis and pc applications geographix, petra, seisvision, freehand. Figures 3 and 4 show normal and reverse faults with displacements less than wellbore diameter. Interpretation of microseismic using geomechanical. The accuracy of the borehole images paired with skilled image interpretation helps to understand if fractures are open, partially open, or healed, which leads to optimized fracture characterization for enhanced well testing and production. Well log interpretation training course petroskills wli. How to build a hinged hoophouse for a raised bed garden duration. This course will help to give the participants better understanding of log interpretation concepts including qc, log editing, environmental corrections, basic interpretation deterministic method, advance interpretation statistical method and corelog integration for production optimization. Users can geosteer horizontal and highly deviated wells with schlumberger lwd tools in real time, and deviated wells can be displayed overlain. May 31, 2016 the small plot on top is a dipmeter plot. Well correlation panel showing the completion and reservoir quality logs used in the unconventional well analysis workflow. Study of faults in asmari formation by fmi image log, case. Geoscientists, engineers, students, and instructors from.
Fracture orientations taken from fmi log observations figure 214a provide the basic data used to develop the fracture model. The interpretation of imagederived sedimentary dip data helps you. Analysis of fractured reservoir structure by interpretation of fmi. Estimating reservoir scale fracture networks in the tight. Check out our blog for the latest company news and the retirementindustry developments. Lacking of criteria used for establishing the image log facies limits the applications of image logs in sedimentary reservoir interpretation. Ultrasonic images ubi, cbil, cast lwd images gr, density, resistivity and so on. The newer versions, called cement evaluation logs, along with their processing software, can give detailed, 360degree representations of the integrity of the cement job, whereas older versions may display a single line representing the integrated integrity around the casing. This article is based on chapter 27 of the log analysis handbook vol 2 by e. Dipmeter also refers to an older tool with 4, 6 or 8 buttons borehole image logs refer to any tool that samples an array of measurements in the borehole. Fmi and ultrasound image log, array sonic log data so on. Four pad fmi log in fractured granite reservoir showing computed dip angle. In the late 1980s schlumberger introduced the concept of borehole electrical images by processing variations of the shallow microresistivity of wellbore walls recorded by modified versions of its stratigraphic high resolution dipmeter tool.
Geolog provides extensive borehole image processing workflows and advanced analysis capabilities for both interactive interpretation and automatic. Fmi fullbore formation microimager well logging schlumberger. Fmi log were carried out before doing the log interpretation. The tools measure diameter at a specific chord across the well. Seismically guided fracture characterization cseg recorder. The findings confirm that natural fractures and differing stress conditions play a significant role in well productivity in eagle ford development in. Introductory log analysis for geoscience and engineering associates in transition. Interpret regression coefficient estimates levellevel. Borehole log records include a detailed description of undisturbed samples recovered from the drilling. Chinese continental scientific drilling logging database system. Formation microimager logs fmi latest petrophysics. If you already have an fmi account, please enter your username and password below the username and password are case sensitive. Fmi we engineer, manufacture and assemble for man and. Petrel well correlation provides a clean correlation canvas on which to display logs, core images, seismic data, grid data, and even completions and simulation resultswhich can be played through time.
He had done numerous industry courses in petrophysics logging, log analysis, geology, geophysics, reservoir engineering and publications on petrophysical topics. Our retirement planner helps you estimate how well your savings program is preparing you for retirement. The first acoustic imaging tool consistently was called the borehole televiewer bhtv massiot et al. How to easily read a well log in 5 minutes or less using.
Predict facies in wells without core, but with good logs 4. In this course, you discover advanced processing and interpretation capabilities for all kind of wellbore images logs and the use of various interpretation. Structural and fracture analysis using emi and fmi image log in the carbonate 173 borehole. Jlog works with wireline log and lwd log data indexed to depth. Building and utilizing a discrete fracture network model of. We design, manufacture and assemble premium mechanical components and modules for the hightech, medical and industrial sectors. Fmi log is used for facies classification and description. The function and structure of ccsd logging database software management system.
Borehole images and dip for geology, geomechanics, and 3d reservoir modeling. Direct visual identification of fracture types using core and fmi log data confirmed joint orientations and types, and validated seismically resolvable features interpreted from attribute mapping. The gardening channel with james prigioni recommended for you. Succeeding chapters 2 through 6 introduce the reader to specific log types. By interpretation of fmi log corresponding to well lali26 in asmari top different faults were identi fied. 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. Generate 360 degree images, image slab views, rock matrix conductivity, vug density, extraction of formation dip, rock texture and fractures. Quick look interpretation of porosity and hydrocarbons some sedimentological indications from wireline log patterns zoning a section for reservoir engineering purposes interwell correlation using logs and other data, including advanced techniques the dipmeter log borehole imaging logs fmi, ats etc. Create an account to access additional features and resources. Use diagnostic plots, as well as g function and dfit analyses for. Borehole image analysis and geological interpretation of selected. Typical response of fault and its parameters on fmi logs 2. Crains petrophysical handbook resistivity image logs.
New developments in well log data acquisition enable the calibration of such rock models to azimuthal sonic and shear log data, as well as fmi images. If you continue browsing the site, you agree to the use of cookies on this website. Crains petrophysical handbook online orders page courses. Structural analysis and modeling 3d nearwellbore and interwell structural. Techlog borehole image processing and interpretation. Caliper logs are usually measured mechanically, with only a few using sonic devices.
Core data analysis is integrated with fmi to confirm the lithologic response and used as well for describing the reservoir with high resolution. A quality interpretation is extremely costeffective compared with data acquisition or development mistakes and essential with todays complex reservoirs and data sets. David madison is a consultant with fmi corporation. Relating log character to sedimentary facies building a reservoir model model 1. Fill the gaps between wells 28 cores 1600 wells 108 million cells log datum terminology kb kelly bushing elevation. Making 1d, 3d and 4d geomehanics are main tasks in second part of this project by me. The data inquiry idea is to inquiry image log data file name according to well name, start and end depth of the well section, program open this. Participants are encouraged to bring their own production log datasets to be worked in class. Basics of borehole image logs wireline or mwd tool is positioned in the borehole resistivity, sonic, density, gr inclined surfaces intersect the measurement buttons at different depths, unrolling to a sinusoid in the standard display.
Building and utilizing a discrete fracture network model. Jan 19, 2016 this presentation focusses on the use cases and motivations behind fmi and provide some tips on when to use model exchange or cosimulation. This article is the fourth in a series on datadriven decisionmaking in construction. Outline basics of borehole image interpretation bedding and structural dip analysis natural fractures stress features 5. An fmi log was available in the horizontal 87 well and its interpretation lead to the identification of four natural fracture orientations ranging from 53 to 87 degrees as shown in figure 4. Fmi data analysis identifies the maximum permeability direction in a fractured. Use crains integrated petrophysics courses as assisted selfstudy courses for individuals or as part of a monitored inhouse study program for the entire exploitation team. Borehole image interpretation schlumberger software. The first article laid out the rationale for datadriven decisionmaking in the construction industry, while the past two discussed datadriven operations and business development, respectively. The fmi fullbore formation microimager provides realtime microresistivity formation images and dip data in waterbased mud wbm. Jun 26, 2016 how to easily read a well log in 5 minutes or less using these six ko ko rules published on june 26, 2016 june 26, 2016 5,945 likes 344 comments. The nile delta area has been affected since the precambrian by major tectonic movements. Image log interpretation, fault and fracture analysis and oil log processing and interpretation are main activity in petrophysic section. The text discusses how different log types measure various.
Introductory log analysis for geoscience and engineering. Image log processing and interpretation emerson paradigm. A rotating transducer is used to transmit and receive ultrasonic pulses around the borehole in acoustic imaging devices massiot et al. Create a factbased filter for project selection and a datadriven markup policy that maximizes profitability. Welltest software helps you conduct gas and oil pressure transient analysis and serves as an everyday well test data interpretation tool. Resistivity image logs crains petrophysical handbook. How to leverage the functional mockup interface fmi for. Structural and fracture analysis using emi and fmi image. Integration will often replace the need to run expensive, irrelevant logs, explain apparent data conflicts and provide the correct answer faster, strengthening your position.
Well log evaluation has been achieved by using interactive petrophisecistm program ip. At the end of the course the user should be capable of making a reasonable basic interpretation and have the foundations for developing further experience in production log. This article is based on chapter 27 of the log analysis. Aug 15, 2016 generate 360 degree images, image slab views, rock matrix conductivity, vug density, extraction of formation dip, rock texture and fractures. The tool can be run either in dip mode and or image mode, and all button resistivity data are recorded at a maximum logging speed of. At the end of the course the user should be capable of making a reasonable basic interpretation and have the foundations for developing further experience in production log interpretation. Do not copy or distribute in any form without explicit permission. Pdf study of faults in asmari formation by fmi image log.
The log is typically obtained from one of a variety of sonictype tools. Roberto peveraro roberto peveraro is a petroleum geoscience and engineering consultant with over 38 years experience in the oil industry, including senior technical management positions in formation evaluation, rock physics and borehole geophysics. Imaging technology into the well is the tools for logging system, interpretation of data obtained from the well and to. Dipmeter data, borehole image logs and interpretation. This webpage version is the ed intellectual property of the author.
We have since grown into a group of nine engineering and manufacturing companies employing more than 400 people. How to easily read a well log in 5 minutes or less using these six ko ko rules published on june 26, 2016 june 26, 2016 5,945 likes 344 comments. The acceleration in the direction of the tool body axis is used to calculate a speedcorrected image. A representation of the measured diameter of a borehole along its depth. Image log processing and interpretation a powerful borehole image analysis tool. There are separate modules for writing user programs and for. Four categories of fractures were included as interpreted in the fmi log with numbers of fractures in each category shown in figure 2. Oil reservoir pta pressure transient analysis software. Jan 05, 2019 schlumberger software recommended for you.
Interactive petrophysicstm ip is developed by the production geosciences ltd pgl 2004. This rich data set is used in a geomechanical workflow to predict microseismicity and derive a better understanding of the resulting stimulation results. Fracture orientations for the stochastic fracture set are based on the run 1 formation micro scanner fmi log interpretation of well 5832 egi, 2018b. Fractures are often accentuated in the wellbore by the drilling process, which breaks out the fracture on both sides of the opening. Image log processing and interpretation paradigm ltd. Training proprietaryrobertsonwireline log interpretation.
Both the acoustic wave travel time and acoustic wave amplitude attenuation are recorded by the bhtv image logs massiot et al. According to figure 3, at shallower than 1816m beds dipped toward southwest, by going. Only faults with displacement less than wellbore diameter is observable on image logs 8. Decipher reservoirflow characteristics and predict future deliverability based on buildup and shortterm drawdown well test information. This introductory level course is designed to introduce the basic concepts of well log interpretation for porosity and water saturation analysis. Borehole image log analysis for sedimentary environment.