In the next step of seismic to simulation, seismic inversion techniques combine well and seismic data to produce. Seismic reservoir characterization services schlumberger. Commercially available software is used in the construction, simulation and analysis of the reservoir models. While seismic data are routinely used to define the size and shape of the reservoir, utilization of the seismic information to constrain the modelling of the interwell reservoir. Rock physics modelling and inversion rock physics technology. The reservoir models based only in seismic information 3d or 4d, are. In other words, if we had drilled and logged wells at the cmps, what. Opengeosolutions spectral inversion provides a thresholded, seismic scale, subsurface layering solution that can be input to our flowcube tm reservoir modeling software.
Reservoir modelling around the christmas tree let the. Please contact your local ihs sales team for a trial of seismic inversion as part of the ihs kingdom software package seismic inversion is also available as a component of the equipoise software inseis package the model parameters to be determined are the formation properties. Stochastic seismic inversion for reservoir modeling onepetro. A variety of seismic inversion software tools and methods has become the principal and necessary means for reservoir prediction. Jpt highresolution seismic stochastic inversion as a. The course aims to improve the understanding of how seismic methods can assist in developing and producing hydrocarbon from. It allows the user to interpret seismic data, perform well correlation, build reservoir models, visualize reservoir simulation results, calculate volumes, produce maps and design development strategies to maximize reservoir exploitation. Deterministic and stochastic seismic inversions were performed integrating well, seismic and geologic data in the rotliegend gas field, north german basin, northwestern germany, to build acoustic impedance models for reservoir property modeling. Seismic inversion has been a method for geologists and geophysicists in reservoir characterization for the last few decades. Our team of seismic reservoir characterization experts employs a range of avo and inverse modeling techniques, including. His current interest is in the application of seismic data to reservoir characterization and modeling. Paradigm reservoir geophysics quantitative seismic interpretation solutions provide essential information about the quality of a reservoir. Based on our powerful geodepth product suite, our solutions easily handle the full range of seismic imaging challenges around the globe. Courses for beginners to advanced users range from training for individual applications to integrated workflow workshops.
Rockin around the christmas tree reservoir modelling around the christmas tree at the christmas party hop seismic inversion where you can see the original amplitude value of the rock. Software training is available through courses that encompass all the available software, including petroleum systems modeling, reservoir characterization, and reservoir engineering. A new approach to inversion and reservoir modeling is based on a nonlinear multitrace seismic inversion algorithm. Each is a plausible model of what the reservoir might look like. Based in london, equipoise software are closely linked with erce giving us unrivalled access to expertise and global project experience. The inversion of seismic data for reservoir properties is more complicated in. Software esi earthworks seismic inversion the earthworks seismic inversion esi plugin is ultrafast, fullfeatured seismic inversion software that enables effective use of impedance data in your geophysical and reservoir modeling workflow. Use our software to produce detailed models of reservoir. The inversion technology at earthworks has evolved. Europe, gulf of mexico, australia and the niger delta. It handles a large range of seismic data in dedicated workflows from data conditioning to quantitative property estimation. This is in part due to the difference of scales, and to. Generate rock property volumes and maps from your seismic data.
This software can also be run on kms cluster either by the user or by kms staff as service to the client. Seismic inversion is a widely used technique, but it is difficult to quantitatively integrate its results in geological or reservoir models. Interwell is a seismic inversion and characterization software for reservoir and exploration geophysicists, available in linux and windows environments. Equipoise software produces the kingdom seismic inversion module for ihs markit kingdom. In the next step of seismic to simulation, seismic inversion techniques combine well and seismic data to produce multiple equally plausible 3d models of the elastic properties of the reservoir.
Predict property distributions using neural networks or numerical models with confidence ratings. Seismic inversion in reservoir modeling part 1 youtube. A wavelet is a wavelike oscillation with an amplitude that begins at zero, increases, and then decreases back to zero. Both methods graphically illustrate the relationship between the elastic and petrophysical domains, which can be used to estimate reservoir properties from seismic inversion attributes. Improve your project performance and profitability with our advanced geoscience software that reduces risk and uncertainty. Anisotropic inversion is jasonexclusive seismic inversion software that applies new analysis technology for effective well design and maximum production. The seismic inversion engine is used to simultaneously invert for p and s impedance and density depending on the data quality, at every trace location. These solutions share common data models so that geoscientists can work seamlessly with multiresolution input datasets when constructing reservoir models.
It is a fully integrated part of the host platform and uses native data objects. Fracaflow is the most advanced package for fractured reservoir characterization, modeling and calibration available on. The incorporation of seismic is a crucial element in the construction of earth models. Examples of 3d seismic inversion, particularly model building, will be illustrated using the stratton data set. They offer a powerful combination of advanced science and the latest interpretation. The course will also look at the application of seismic inversion in reservoir geophysics. It is for this purpose that petrel reservoir engineering re is designed specifically for the reservoir engineer in order to approach these challenges. The deterministic inversion created pseudologs of absolute impedance values at each seismic trace. Seismic property modeling spm module in depthinsight can simulate property data for any complex geological setting by utilizing the structural model to constrain the results and also to integrate seismic and well data in the process. Simultaneous angle stack or full gather seismic inversion methods. The method was developed at university of bergen by prof. Reservoir geologists, geophysicists, and engineers who seek to know how seismic data can share in modeling their reservoirs. Identify anisotropy, locate thin beds, evaluate stress forces and obtain a better understanding of your reservoir dynamics. Explore the impact of reservoir modeling on a mature and.
Interwell is a seismic inversion and characterization software for reservoir. The phrase reservoir characterization is sometimes used to refer to reservoir modeling activities up to the point when a simulation model is ready to simulate the flow of fluids. Seismic inversion uses inverse modeling techniques to address acoustic and elastic inversion, rock physics analysis, and reservoir property modeling. Rokdoc is a comprehensive portfolio of rock physics, geopressure and geomechanics solutions for accelerating and improving subsurface predictions over asset lifetime. Reveal reservoir properties through integrated seismic tosimulation workflows. The course covers both the theory and practice of coloured inversion, avo including elastic and extended elastic impedance. More than 30 multiskilled consultants providing valueadding services to our clients. Anisotropic inversion is built on proven rocktrace technology and seamlessly integrates within the geosoftware platform. Reservoir geophysics quantitative seismic interpretation solutions reduce drilling risk and improve productivity. In the oil and gas industry, reservoir modeling involves the construction of a computer model of.
Models can be developed to address problems of structure and stratigraphy prior to acquisition of seismic data and during the interpretation of the data. As sheriff 1991 points out, agreement between data and a model does. We also have very strong ties with ihs markit who retail our products as velpak and kingdom seismic inversion on the kingdom platform and as velit and inseis on the petrel platform. Integration of seismic information in reservoir models.
The software enables operators to integrate their data in one place and capture and propagate. Sep 02, 2018 seismic forward modeling of fractures and fractured medium inversion. Accurate wavelet estimation is critical to the success of any seismic inversion. Stochastic inversion methods the latest inversion techniques using stochastic methods will be described. The property models can be viewed and edited in 3d interactively on the screen. Generating a set of pseudologs from seismic data is the process known as seismic inversion, a type of indirect modeling. Make better than ever reservoir management decisions our seismic solutions include seismic based stochastic inversion, tools for seismic import, seismic attributes, seismic visualization and sampling of seismic to 3d grids for further use in the geological modeling workflow. Neuralnetwork solutions for the inversion problem exist, whereby a. Seismic reservoir characterization reservoir software cgg. Rock physics modeling seismic forward modeling well seismic tie seismic interpretation seismic velocity model lowfrequency modeling prestack processing avoava seismic inversion seismic attributes multiattribute prediction maximizing the value of available data i. Inverse rock physics modelling irpm is a rock physics based inversion method for predicting reservoir properties such as porosity, lithology and fluid saturation. Uncover sub seismic resolution that approaches the detail level seen in well logs.
The methodology takes all the information available about a reservoir such as well information, field analogues, trends. Ikon science has an extensive library of regional pressure and rock physics studies covering. Prestack seismic data, to better predict the reservoir. Seismic inversion for reservoir properties combining statistical rock. Stochastic inversion makes it possible to generate multiple predictions of fine detail within a reservoir, each honoring the known input information from well logs and seismic. Echos conditions seismic data for depth imaging, reservoir characterization, and pore pressure prediction projects. A mathematical process by which data are used to generate a model that is consistent with the data, the process of solving the inverse problem. Stochastic seismic inversion for static reservoir modeling. Modular em package for modeling and inversion of land and marine mt and csem data.
A second problem with using seismic inversion data in reservoir modeling is the large difference in vertical resolution between the model and the seismic impedance. Rock physics and avo inversion feasibility prestack seismic data conditioning avoava analysis and attribute lowfrequency modeling prestack seismic inversion multi seismic attribute prediction poststack seismic interpretation multiple wellto seismic ties seismic interpretation structural modeling and mapping. Joint inversion also called static seismic inversion uses inverse modeling techniques to solve for acoustic and elastic rock properties from 2d and 3d seismic data. Characterize your reservoir using prestack and fullstack analysis, and deterministic and geostatistical inversion. Seismic inversion the best tool for reservoir characterization. Petrel is a software platform used in the exploration and production sector of the petroleum industry. This quantifies the elastic properties from the avoava effect present in the seismic data. From regional exploration to reservoir development and production optimization, geophysics is a critical tool to solve the most complex structural and stratigraphic challengesincluding advanced seismic processing, depth imaging, and 3d, 2d, and prestack seismic interpretation as well as advanced quantitative interpretation. This detailed book systematically investigates subsurface geological fractures using rock mechanics, geology, and geophysics. Emerson releases major updates to seismic reservoir modeling. From the outset, we contribute specialist reservoir knowledge and skills to the initial project design and modeling. In seismology, surface seismic data, vertical seismic profiles and well log data can be used to perform inversion, the result of which is a model of earth layers and their thickness, density and p and swave velocities. While seismic data are routinely used to define the size and shape of the reservoir, utilization of the seismic information to constrain the modelling of the interwell reservoir heterogeneity is still less widespread. Combined seismic inversion methods in reservoir model.
Interwell seismic inversion and reservoir characterization. Software earthworks seismic inverison esi plugin for petrel and decisionspace as well as hiip, our revolutionary depth and volumetric uncertainty analysis software. The petrel rock physics and inversion plug in provides a set of robust, interactive tools for quantitative interpretation. Opengeosolutions spectral inversion provides a thresholded, seismic scale, subsurface layering solution that can be input to our flowcube tm reservoir modeling software our goal is to help you move towards realtime analysis and concurrent investigation of seismic characterization, geologic interpretation and reservoir simulation to. A profitable development of an oil or gas field starts with a good understanding of the subsurface as a basis for efficient and successful field management. With solutions for all play types, rokdoc features a rich selection of models and bestinclass algorithms to provide advanced quantitative interpretation to drive positive production outcomes. Seismic inversion, attributes, and oil field planning emerson automation experts. Quantitative seismic interpretation emerson paradigm. There are many experts and pieces of interpreted data to be included throughout the life of the reservoir. All modern seismic inversion methods require seismic data and a wavelet estimated from the data. Successful seismic inversion usually requires a high signaltonoise ratio and a large bandwidth. Placing uncertainty management at the heart of decisionmaking, our comprehensive software suite from seismic interpretation to production management helps operators make better decisions, leading to improved returns on investment. With the increasing quality of seismic data and wide application of new methods, highresolution seismic stochastic inversion volume was used as a direct input to reduce the uncertainty of the reservoir model. Training provision of worldclass courses in seismic inversion, geostatistics and reservoir modelling and depth conversion and grv uncertainty.
Interwell seismic inversion and reservoir characterization beicip. Rokdoc gives interpreters access to rock physics, forward modelling, seismic inversion, geopressure, advanced quantitative reservoir analysis and geomechanics. Geophysics resmodtec training integration of seismic in reservoirs modeling integration of seismic in reservoirs modeling candidates. Lumina geophysical is shedding new light on how to define the reservoir. Seismic inversion for reservoir characterization pgs. Joint inversionalso called static seismic inversionuses inverse modeling techniques to solve for acoustic and elastic rock properties from 2d and 3d seismic data.
Apr 21, 2019 the inferred shape of the seismic wavelet may strongly influence the seismic inversion results and, thus, subsequent assessments of the reservoir quality. The course will cover the various seismic attributes, including amplitude variation with offset avo attributes, that are used in reservoir geophysics and look at their application to timelapse seismic. Typically, a reflection coefficient series from a well within the boundaries of the seismic survey is used to estimate the wavelet phase and frequency. Seismic inversion, attributes, and oil field planning. This is achieved using such advanced technologies as formation evaluation, seismic inversion methods, facies classification methods wellbore and seismic, and reservoir property modeling. Pdf stochastic seismic inversion for static reservoir modeling. Emersons roxar rms reservoir modeling software is an industry leading geosciences and reservoir engineering platform for seismic interpretation, well log interpretation and correlation, mapping, geomodeling, gridding and flow simulation.
Petrel reservoir engineering schlumberger software. Seismic reservoir characterization reservoir software. The multiattribute rotation scheme mars is a methodology that uses a numerical solution to estimate a mathematical expression that reproduces the. A model typically has a vertical cell resolution of 1m, but seismic inversion is more typically a vertical resolution of 20m. Seismic data is transformed to elastic property logs at every trace. Our goal is to help you move towards realtime analysis and concurrent investigation of seismic characterization, geologic interpretation and reservoir simulation to reduce. Reservoir property prediction from seismic inversion. Specifically, in seismic inversion, we invert for models of elastic. Seismicdriven reservoir modeling iresgeo technology ltd. The inversion can be performed using both bandlimited or relative and absolute elastic impedance. Pdf seismic inversion methods and some of their constraints. Figure 1b the input for a model driven seismic inversion consists of time migrated seismic. Seismic inversion services that enable you to meet your objectives. Workflows for seismic reservoir characterization cegal.
Used as a direct input for reservoir modeling, this method reduces the uncertainty of the model greatly. The principle objective of seismic inversion is to transform seismic reflection data into a quantitative rock property, descriptive of the reservoir. Our new techniques for attribute calculation and inversion merged with our experience in reservoir characterization help us illuminate your reservoir. In its most simple form, acoustic impedance logs are computed at each cmp. Earthworks reservoir technical services software solutions. Extract rock properties from seismic data using seismic inversion for prestack or fullstack analysis. Our services include the latest earth model building technology, timelapse 4d analysis and interpretation, integration of 4d seismic into the reservoir model, fully anisotropic rock physics modeling, and inversion. Rock physics, avo, inversion and quantitative interpretation. Its advanced rock physics modeling capabilities enables you to explore the relationship between seismic amplitudes and reservoir properties. Seismic forward modeling of fractures and fractured medium. The necessity of developing stochastic approaches will be emphasised, and in particular the link with geostatistics will be made.