Seismic attributes for prospect identification and reservoir characterization. Aaspi handson short course notes software licenses provided to aaspi sponsors and participants in aaspiled short courses course 1. Fault enhancement using spectrally based seismic attributes. Stress and fracture characterization in a shale reservoir. Attribute selection in seismic facies classification. Seismic american association of petroleum geologists. Using aaspi attributes to map structure and stratigraphy. Only one seismic attribute, the fast interval velocity, has a significant inverse numerical crosscorrelation with well production. Seismic attributes for faultfracture characterization satinder chopra1 and kurt j.
Interesting pursuits in seismic curvature attribute analysis. Uv f ok h mn s seismic attributes are a powerful aid to seismic interpretation, providing geoscientists with alternative images of faults and channels that can be used as components in. The impact of the seismic acquisition program on processing and on the quality of the final image is commonly called acquisition footprint. Seismic attributes a promising aid for geologic prediction. As shale gas resources have emerged as a viable energy source, their characterization has gained significance. The seismic acquisition program impacts the quality of the. Pdf seismic attributes are routinely used to accelerate and quantify the interpretation of tectonic features in 3d. Seismic interpretation, seismic attributes, and machine learning. Beginning with the simple computation of envelope, phase and frequency attributes in the 1970s, several dozen seismic attributes are generated these days containing disparate types of. Seismic attributes are frequently used as input because they may express geologic patterns or depositional environments better than the original seismic amplitude. Seismic attributes on frequencyenhanced seismic data. Seismic attribute analysis for reservoir characterization.
Seismic coherency is a measure of lateral changes in the seismic response caused by variation in structure, stratigraphy, lithology, porosity, and the presence of hydrocarbons. Todays seismic interpreters must deal with enormous amounts of information, or big data, including seismic gathers, regional 3d surveys with. Seismic coherency is a measure of lateral changes in the seismic response caused by variation. Marfurt, references, seismic attributes as the framework for data integration throughout the oilfield life cycle, 10. Explorer geophysical corner by kurt marfurt,ritesh sharma,satinder chopra 3d seismic volume visualization in color. Seismic attributes are the components of the seismic data which are obtained by measurement, computation, and other methods from the seismic data. Kurt marfurt professor at the university of oklahoma and director of the center for applied geosciences and energy. Families of seismic attributes time attributes 1930s related to the vertical position of the waveform in the seismic section e. The complex seismic trace attributes are found in some instances to correlate with lithological changes and historically have been used to characterize hydrocarbon reservoirs.
Seismic interpretation below tuning with multiattribute analysis. Aug 01, 2019 automated seismic facies classification using machinelearning algorithms is becoming more common in the geophysics industry. The paradise attribute library includes a comprehensive list of instantaneous attributes as well as commercial algorithms and workflows developed by the attribute assisted seismic processing and interpretation aaspi group at the university of oklahoma, led by dr. Whether it is in reference to the limitations of interpretation or associated with seismic processing, usage. Kurt marfurt drives us through a journey into the future of the seismic attributes analysis illustrating the huge potential of these interpretation methods.
For exploration geophysicists, these patterns are usually associated with seismic attributes, seismic waveforms or seismic facies. Seismic attributes for prospect identification and reservoir. Examples of seismic attributes can include measured time, amplitude, frequency and attenuation, in. Starting from a physical classification of the attributes, their derivation and their main applications. N is the number of seismic attributes and j is the number of seismic traces when som is applied to surface attributes or is the number of voxels matos et al. Seismic attributes have been increasingly used in petroleum exploration and production and have been integrated in the seismic interpretation process. Kurt marfurt has contributed generously to applied geophysics through his research work. Seismic attributes saleh aldossary, arthur barnes, dick dalley, kurt marfurt, marcilio matos, ralf oppermann, and kui zhang. Cahoj, tengfei lin, fangyu li, bryce hutchinson and kurt j. Through successive reorganizations at amoco, marfurt has obtained diverse experience in seismic modeling, migration, signal analysis, basin analysis, seismic attribute analysis, reflection tomography, seismic inversion, and multicomponent data analysis. In a marine environment, topographic features on the sea floor will usually be covered by a thick layer of shale with the rise of sea. Marfurt introduce the physical basis, mathematical implementation, and geologic expression of modern volumetric attributes including coherence, dipazimuth, curvature, amplitude gradients, seismic. In seismic attributes for prospect identification and reservoir characterization satinder chopra and kurt j. Kurt marfurt university of oklahoma, norman, ok, united states summary introduction seismic attributes form an integral part of most interpretation projects completed today.
Seismic attributes are an invaluable aid in the interpretation of seismic data. Most of these attributes are of commercial interest and, use of many of the attributes, are yet to. His career is characterized by the development and deployment of data driven algorithmic solutions to exploration problems ranging from seismic signal analysis, through seismic modeling and migration, to seismic attributes. Pitfalls and limitations in seismic attribute interpretation of. Seismic attribute mapping of structure and stratigraphy. Since then many new attributes were derived and computed. Seismic curvature attributes for mapping faultsfractures, and other stratigraphic features satinder chopra and kurt marfurt arc isc op at n,lg yb ed. A significant advancement in the area of curvature attributes has been the volumetric estimation of curvature introduced by aldossary and marfurt geophysics, v. Kurt marfurt arnaud huck the advaned seismi attriutes analysis 3d seismic attributes for prospect identification and reservoir characterization course date and registration contact. Volumetric curvature attributes adding value to 3d seismic data interpretation satinder chopra and kurt j. The advancement in spectral decomposition and color display. Emerging and future trends in seismic attributes mcee university.
This volumetric estimation of curvature alleviates the need for picking horizons in regions through which no continuous surface exists. Principal component analysis and selforganizing maps. Gleaning meaningful information from seismic attributes. Churning seismic attributes with principal component analysis. Summary the spectral similarity has quickly become the standard for fault attributes at bhp billiton slide 2 we have developed a new attribute method that better identifies potential fault planes in both low and high noise data. Marfurt, university of oklahoma summary in this study, we use an example in a barnett shale play to demonstrate how supervised and unsupervised machine learning techniques provide the right leverages for seismic interpreters. Seismic attributes analysis for reservoir characterization. Seismic attributes for prospect id and reservoir characterization geophysical developments no. Seismic curvature attributes for mapping faultsfractures. This technique attempts to display two or more attributes simultaneously along the seismic section. Seismic attributes were introduced as a part of the seismic interpretation in early 1970s. New technology seismic seismic interpretation august 9, 2007 hays, ks 2.
Color blending is a powerful tool in reservoir characterization. Using 3d seismic attributes in reservoir characterization susan nissen geophysical consultant mclouth, ks kansas next step 2007 seminar. Marfurt2 abstract a seismic attribute is a quantitative measure of a seismic characteristic of interest. Since 1990s, the seismic attributes have been developed into many types of them such as structural attributes and stratigraphic attributes chopra and marfurt, 2005. Tao zhao, fangyu li, and kurt marfurt, university of oklahoma yong liu, shangxu wang, and sanyi yuan, china.
Seismic attribute expression of differential compaction. Ebook seismic attributes for prospect identification and. For doing an effective job or for extracting accurate information from seismic attributes, the input seismic data needs to be optimally processed. Fault enhancement using spectrally based seismic attributes dustin dewett and alissa henza bhp billiton seg 2015 2. Marfurt, the university of oklahoma part 1 of 2 technical article continued on page 12. Seismic attributes help enhance the subtle subsurface geologic detail that might be difficult and time consuming to decipher from 3d seismic amplitude data. A road map to exploration success, at aapg annual convention and exhibition, new orleans. Application to a gulf of mexico 3d seismic survey and the barnett shale yuji kim. Seismic color blending is a computational technique that uses seismic attributes to allow the interpreter to see a more complete and accurate geologic section. Seismic attributes are routinely used to accelerate and quantify the interpretation of. For estimation of seismic attributes any of the following can be used as input. Av delineating fractures from seismic attributes satinder chopra1 and kurt j.
Pdf seismic attributes for prospect identification and. Seismic attributes and their applications in seismic. Seismic attributes for faultfracture characterization. Pdf seismic attributes for prospect identification and reservoir.
Volumetric curvature attributes adding value to 3d seismic. Ebook handbook of poststack seismic attributes as pdf. Marfurt introduce the physical basis, mathematical implementation, and geologic expression of modern volumetric attributes including coherence, dipazimuth, curvature, amplitude gradients. Seismic attributes introduction to special section.
The main objective of this paper is to show how one of the most popular clustering algorithms kohonen selforganizing maps, can be applied to enhance seismic interpretation. He is the author of several dozen articles and coeditor of two books published by the seg, and has received both the seg best presentation award for work on seismic modeling 1989 and seg best paper award for work on seismic coherence 1999. Marfurt joined the university of houston in 1999 as a professor in the department of geosciences and. Geologic pattern recognition from seismic attributes.
Seismic attributes as the framework for data integration throughout the oilfield life cycle name author. Marfurt joined the university of oklahoma in 2007 where he serves as the frank and henrietta schultz professor of geophysics within the conocophillips school of geology and geophysics. Conventional surface seismic zseis crosswell imaging a revolution in resolution. Seismic curvature attributes for mapping a faultsfractures. Through amoco, he won five patents, two in seismic coherence technology. Marfurt introduce the physical basis, mathematical implementation, and geologic expression of modern volumetric attributes. Unlike shaded relief maps that allow 3d visualization of faults and channels from horizon picks, seismic coherency operates on the seismic data itself and is therefore. In reflection seismology, a seismic attribute is a quantity extracted or derived from seismic data that can be analysed in order to enhance information that might be more subtle in a traditional seismic image, leading to a better geological or geophysical interpretation of the data. Society of exploration geophysics distinguished instructor series, tulsa, ok, 508 p.
The evolution of seismic attributes is closely linked to ad vances in. Marfurt s primary research interest is in the development and calibration of new seismic attributes to aid in seismic processing, seismic. North texas, using correlation between new seismic attributes and well data an abstract of a thesis presented to the faculty of the department of geosciences university of houston. In seismic attributes for prospect identification and reservoir characterization seg geophysical developments no. Participants in this oneday course will gain an understanding of the physical basis, geologic expression, and petrophysical calibration of seismic attributes. Seismic attributes saleh aldossary, arthur barnes, dick dalley, kurt marfurt, marcilio matos. Pdf pitfalls and limitations in seismic attribute interpretation of. The objective of the algorithm is to organize the dataset of input seismic attributes, into a geometric structure called the som.
Aud 3 yes use of color blend of seismic attributes in the exploration and production development. Seismic data quality is impacted not only by fold, but also by the distribution of sourcereceiver offsets and azimuths that make up this fold. Marfurt introduce the physical basis, mathematical implementation, and geologic expression of modern volumetric attributes including coherence, dipazimuth. Jun, 2016 fault enhancement using spectrally based seismic attributes dustin dewett and alissa henza bhp billiton seg 2015 2.
Insights into digital oil field data using artificial intelligence and big data analytics. Seismic attributes for prospect identification and. Handbook of poststack seismic attributes top results of your surfing handbook of poststack seismic attributes start download portable document format pdf and ebooks electronic books free online rating news 20162017 is books that can provide inspiration, insight, knowledge to the reader. Part 2 seismic attributes help enhance the subtle subsurface geologic detail that might be difficult and time consuming to decipher from 3d seismic amplitude data. Aud 3 yes yawen he, hongliu zeng, xavier janson, and charles kerans, the university of texas at austin hongliu zeng, bureau of economic geology. Seismic attributes play a key role in exploration and exploitation of hydrocarbons.
Pdf geometric seismic attribute estimation using data. Offshore niger delta article pdf available in petroleum and coal 576. Using 3d seismic attributes in reservoir characterization. Successful use of seismic attributes requires both an understanding of seismic data quality and of sedimentary and tectonic processes. Pdf geometric seismic attributes such as coherence are routinely used for highlighting geologic features such as faults and channels. Aug 01, 2019 read volume 7 issue 3 of interpretation. Marfurt the university of oklahoma, norman, us and somanath misra arcis corporation, calgary, canada summary seismic data are usually contaminated by both random and coherent noise, even when the data have been. Satinder chopra, arcis corporation, calgary, canada.
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