And drink a few beers to help you think about your data. This is a marked point process model, where the object locations are the points, and the marks describe the object geometry. The facies model provided sand thickness and insight in the geometries and. In petrel facies modeling, t he target facies probability distribution is characterized by the facies global fraction parameter and trend models. In addition to distribution fluvial facies channel and levee systems it is possible to distribute other types of objects as well. Using the browser button, provide the location of petrel. In the second model, a manual global fraction value has been entered and the trust. Facies modeling support for geomodels if you are in the process of building a geomodel or would like to refine an existing geomodel, we can help in the following ways. Facies modeling prograding open beach walthers law sedimentary environments that started out sidebyside will end up overlapping one another over time due to transgressions and regressions.
Super petrel registered accidents around the world. Other elements of the modeling process such as facies distribution and geostatistical. Static reservoir modeling using well log and 3d seismic data in a kn field, offshore niger delta, nigeria lukumon adeoti 1, njoku onyekachi, olawale olatinsu 2, julius fatoba 3, musa bello1. The depositional characteristics will suggest rules concerning the geometries of the facies and the possible relationships between facies, especially where the facies have been related to each other within a stratigraphic sequence or a cyclothem. In this section the process of building a basic facies model conditioned to well observations using sis. Top structure map of the xfield showing the major faults structural modeling. Facies as the key to using seismic inversion for modelling reservoir properties. Building complex models in extensional and compressional settings duration. Petrel is a windows based software for 3d visualization, 3d mapping and 3d reservoir modeling and simulation. Integration of facies models in reservoir simulation. Facies modeling the facies are interpreted based on the log signature in individual wells, then these facies logs are upscaled into the model and data analysis was applied to the upscaled.
The following options allow you to add additional ocean. Click for introductory video removing the geographical boundaries. Integrated 3d facies modeling of the mangahewa formation. Abc1 beddings, abc2 beddings and abc3 beddings, andor lumped together in one file for an. Facies interpretation and modelling an integrated workflow. How to set variogram for facies distribution in petrel duration. Department of geosciences, university of lagos, lagos, nigeria. Multipoint facies modeling is a stochastic method that converts a training image. I have selected three facies ie sandstone, shaly sandstone and shale on the basis of basic log analysis which. Remember that completion event data can only be imported for well trajectories already imported into petrel. Petrel software system 2015 has been used to setup a 3d model. There is extensive conditioning to hard data and seismic data and these results to a high resolution geocellular model. On january 4, 2015 an amphibious aircraft super petrel pupek fell in brazil and killed the 19 years old pilot, vitor augusto cunha da costa.
Geobody modeling, objectbased facies modeling obfm, variogram analysis. Analyze data geostatistically prior to populating the geocellular model with facies and petrophysical properties, using a range of deterministic and stochastic algorithms. The link, fully integrated in petrel, is fast and simple to use. If you choose to generate a new module, you will get the same modulegenerator wizard pages you are already familiar with. Structural 3d model was built using the three main horizons upper bahariya, lower bahariya, and kharita formations identified by seismic interpretation. In petrel facies modeling, the target facies probability distribution is. The printerra interface allows exporting of 3d grid properties of petrel models. Using the geological process modeling tool gpm in petrel to simulate sedimenatry processes resulted in a turbidite fan architecture consistent with. The main steps involved in reservoir modeling include. Gpm software getting started with the example of the f3.
Nov 25, 2014 3d facies modelling project using petrel software. The course covers basic geostatistics, data preparation, data analysis, facies and petrophysical modeling. The facies model for the loudon field was generated using data obtained from digitizedwireline. Also, the necessary references will be selected relative to this path. Doing a petrel project is like digging a hole in your backyard. Facies log were scaled up to assign the properties at grid which is.
Geologic and reservoir characterization and modeling scott m. Technical presentations workflows petrel videos hands on. Facies modeling is best done back at your laboffice where you can think about your data. The goal is to use all geological information available to build a. Ignoring the facies modeling phase, a simplified approach to modeling can be used in the. This is presentation for students for education purposes. Fault modeling in petrel this is done by first defining the faults in the process called fault modeling.
Petrel data analysis enables interactive analysis of distributions and trends and their relationships across all data types. Geologic and reservoir characterization and modeling. The procedures used to import ascii files or to transfer from a data base using open spirit are not discussed here. Petrel property modeling part 2 tutorial free for you. The digital listings provided in a standard data pack will be reorganized in a petrel friendly ascii format. The facies modeling followed a hierarchical objectbased mechanism which was set to. Use petrel reservoir engineering software and ofm well and reservoir analysis software with the eclipse industryreference reservoir simulator to develop and manage the input data for model initialization. A broad hierarchical modeling workflow is an efficient way of modeling. Using multidisciplinary multiscale data to create nonstationary facies probabilit y trend models. It enables both simple and complex workflowssuch as seismicdriven modeling in which probabilities can be used in several different ways to help create a realistic representation of the depositional facies or lithologies.
Facies model the turbidite sand bodies are modeled as objects that are placed in a background of shale. The young pilots father, augusto fonseca da costa, who is also a pilot with more than 40 years experience began an. The user can select from a list of available objects, and define the geometrical size of each shape. Petrel reservoir engineering and eclipse simulator improve. The input data are imported from files on file for every data object. Multipoint facies modeling examples of a turbidite and a. The ocean wizards and developers tools in visual studio you also have the option to generate a new module together with the new plugin. Facies modeling is also vital to reservoir simulation and reservoir characterization analysis. Petrel differentiates between import file, which can be found on the file pulldown menu and on the tool bar, and import on selection, which can be found on the insert pulldown menu and on the right mouse button menu on folders in the petrel explorer. Printerra is a driver interface within petrel to export your geological and reservoir models to file formats recognized by 3d printers. Sedimentary facies lithofacies a lithofacies is a body of sedimentrock distinguished by a specified combination of characteristics composition, texture, sedimentary structures related to a specific set of physical, biological, and chemical processes. Constraining multiple geostatistical facies models to seismic amplitude data 3 using this training image, a reference facies model for this layer is generated, as seen in figure 1. This volume is focused on clastic depositional settings including continental aeolian and fluvial.
Modeling facies bodies and petrophysical trends in. Facies as the key to using seismic inversion for modelling. Task fronterras suggested image facies texture and color scheme for clastic and carbonate strata in petrel. Applying forward stratigraphic modeling approach to enhance. Pdf threedimensional facies analysis using objectbased. Department of physics, university of lagos, lagos, nigeria. The act of modeling a reservoir using knowledge of the facies that make up the reservoir and the depositional environments that the facies represent. Fluvial fan architecture, facies, and interaction with. Mappers and modelers who have used petrel for sometime may be unaware of this simple yet extremely useful tool for calculating zone average attribute values. I have stared myself blind on the data analysis tab in petrel and do understand what the nugget is and what variograms indicate variation in relation to distance. Facies were created at well level from global log calculator. Purchase of an open document does not constitute license for republication in any form, nor does it allow web posting without prior written permission. This course focus on facies modeling, which in recent years has become the main method for guiding and constraining petrophysical models. Petrel is a pc based mostly progress application for underground interpretation and modeling 8.
Clastic facies models, a personal perspective harold g. On this basic of program system required and analysis area characteristics. Ocean for petrel wizards and developers tools in visual studio. You will need to refer to the petrel help manual or to a petrel introductory or mapping workflow course for import details. Log interpretation used a deterministic approach to generate facies logs for wells. This will enable the wizard to set the project configuration to run the petrel application for instant debugging. Stratigraphy and porosity modeling of southcentral illinois. The petrel facies modeling module enables the population all geocellular grids with discrete property values for geological characterization of your reservoir. Lecture notes sedimentary geology earth, atmospheric, and.
It enables both simple and complex workflowssuch as seismicdriven modeling in which probabilities can be used in several different ways to help create a realistic representation of the depositional facies. The stages consist of structural modeling such as horizons and faults, facies modeling and petrophysical modeling. The petrel platform delivers workflows that greatly enhance reservoir knowledge. Fault modeling is the process of generating a faulted 3d grid and inserting the horizons, zones and layers into it. Fault modeling in the previous section, we did some editing on the input data to bring it to a form suitable to petrel for building the 3d geological model. In addition to distribution fluvial facies channel and levee systems it is possible to. Building a 3d geological model using petrel software for asmari reservoir, south eastern iraq article pdf available in iraqi journal of science 562c. However, the observed data come from wells that are. Full description from seismic to simulation procedures of shlumberger software. This study aims to present the current practice for building a static reservoir model. The facies model for the loudon field was generated using data obtained from digitizedwireline logs.
Structural modeling is the first step in building a 3d model. Petrel plugin for modeling uncertainty in metric space kwangwon park and jef caers stanford center for reservoir forecasting department of energy resource engineering stanford university abstract modeling uncertainty for reservoir performance prediction is still a challenging and outstanding problem due to geological complexity of reservoir and cpu demanding flow simulations. Within a single environment, geoscientists can perform the key geological workflows from stratigraphic and seismic interpretation through fracture, facies, and geocellular property modeling to history matching and. The building process may be decomposed into the following steps. Paper open access modeling of petrophysical properties. Creating probability trend models for facies properties. Facies modeling is one of the most important tasks in reservoir. Modeling the facies of reservoir using seismic data with missing attributes by dissimilarity based classification article pdf available in journal of earth science november 2015 with 151 reads.
Building a 3d geological model using petrel software for asmari reservoir, south eastern iraq. An example in middle devonian carbonates, clarke lake field, british columbia geocellular models are typically populated using the statistical distribution of parameters such as porosity and permeability in the observed data. Aug 06, 2018 learn how to use stratigraphic forward modeling to predict reservoir presence beyond well data using the gpm geological process modeling software. Oil india identifies deep exploration targets using petrel. Pdf the earlymid paleocene farewell formation is stratigraphically distributed. The figure below shows a grid based stream channel. The pattern stores the neighborhood probabilities and is the main input into the modeling similar to the variogram model.
Presented in full color, this updated edition of the original, highly popular textbook facies. Facies position in association random or specific order juxtaposed. The spatial distribution and resulting global proportions of the simulated facies within the 3d. Your first task is to learn about the project for which a model is to be built.
Defining a new model, creating faults from fault polygons. Bhi data load into petrel depending upon the customers requests, the dip vectors can be imported on a well by well basis e. Object modeling is a facies modeling method that distributes facies with defined shapes. I have selected three facies ie sandstone, shaly sandstone and shale on the basis of basic log analysis. These sessions, entitled facies models revisited, were intended to capture the state of the art with respect to facies modeling in several key depositional environments. Its use allows rapid qc of calculated log data and the calculation of field wide volumes. Histogram, function, and stereonet windowsas well as the petrel data analysis processare provided for analyzing upscaled well data and grid properties. Petrel software using the appropriate file of type format. Benefits time and cost effective way of transferring task fronterras bhi analyses into a modeling. Security notice the software described herein is configured to operate with at least the minimum specifications set out by. Jan 16, 2017 this feature is not available right now. Petrel well section window with dip vectors, image facies and insitu stress features visualized.
Typically, facies modeling of a reservoir is carried out using abundant hard data cores and logs, but where such data is limited in scope or quality, the task becomes more difficult, as typically occurs in the exploration phase. Facies models evolved from classifications that were mainly descriptive, based on observable. Petrel facies modeling is used to populate geocellular grids with discrete property values for geological characterization of the reservoir. Pdf modeling the facies of reservoir using seismic data. This course is intended for the user with fundamental petrel modeling skills. Structural modeling consists of fault modeling, pillar gridding, and vertical layering. Apr, 2018 3d seismic data, well logs, corebased lithofacies and photographs have been combined to interpret and model the depositional facies of the mangahewa formation of the maui gas field, taranaki basin, new zealand. Pdf building a 3d geological model using petrel software. Facies modeling described by probabilistic patterns using. Facies interpretation and modelling an integrated workflow liz chellingsworth and pete kane agr tracs. Fast access to isatis powerful geostatistics from petrel the petrelisatis link is a plugin extension in petrel software schlumberger which enables seamless data exchange between petrel and isatis. Arzu javadova the main goal of modern development of. The geological association of canadas facies models 4 is the essential volume on sedimentary succession interpretation.
Constraining multiplepoint facies models to seismic. Sometimes they are built as grids representing channel thickness and hung from an existing structure or inserted between two structures. Pdf 3d static modeling in petrel arzu javadova academia. Variogram analysis can help characterize the continuity of rock properties, including geological object size and anisotropy. Facies modeling described by probabilistic patterns using multi. Each facies sand and mud is populated with rock impedance, using sequential simulation left image in figure 3. Creating probability trend models for facies properties petroleum. Facies modeling support for geomodels applied stratigraphix. Using the train estimation model in the petrel platform, probability volumes for the occurrence of sand, shale, and shaly sand facies were generated from the combination of seismic attribute volumes envelope and sweetness and the accoustic impendance cube.
Highresolution 3d property model was generated showing the distribution of facies and porosity. This is the most straightforward algorithm for generating realizations of a multivariable gaussian field. Facies screening in petrophysical modeling using petrel. Make surface from bitmapimage 1 import bitmap file 1. Msc geology and geophysics abstract the montserrat and sant llorenc del munt fandelta complexes were developed during the eocene in the ebro basin. The purpose of this work was to assess the ability of a porosity model to predict sandstone facies.
How to import completion event data in petrel petrofaq. Presented in full color, this updated edition of the original, highly popular textbook facies models incorporates the enormous advances in our understanding of depositional environments since the last edition was issued in 1992. Completely out of box approach technical presentations workflows petrel videos. The training image describes the geological facies in relative position to each other. I am working on the petrophysical modeling of the sandstone reservoir suing petrel. The purpose of this step is to define the shape of each of the faults. Dear static modelers, can anybody help me with understanding the use of variograms in my facies modelling workflow. If using local readmostly project caches, then cache drive should be 2 drives, raid0 stripe. Forward stratigraphic modeling of geological formations provides an enhanced platform through which realistic three dimensional facies models could be generated.
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