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Improving Geobody Visualization
Through The Use Of Attributes & Opacity Controls
Webinar Archive - Top 5 Webinars From 2010
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Using transparency on Amplitude data that contains salt yields less than optimal results. When this kind of data set is rendered with some level of transparency, it creates the "Amplitude cloud" that does not display the salt body appropriately, and does not produce its complete volumetric representation. What can help? Calculate attributes in KINGDOM RSA that highlight different anomalies in the original data set.
In the workflow that follows, the Smoothed Similarity Attribute will highlight the salt body as a chaotic structure different from its surroundings as well as bring channels to focus.
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| 1. The picture below shows the original Amplitude data: |
2. Now run the Smoothed Similarity attribute in RSA. The results are displayed below: |
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| 3. Next co-blend the Smoothed Similarity attribute with Amplitudes: |
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| 4. Now update the color range to highlight the salt dome even more: |
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| 5. Finally we are ready to set the transparency so that everything but the salt dome is hidden from the view: |
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| 6. Further manipulation of the Smoothed Similarity data brings a closer focus on the channels display: |
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Transparency and color range controls are not always enough to identify interesting features in seismic data. Special algorithms may be required to bring those features to focus. In our case, the algorithm was an RSA attribute, which helped to identify both the salt dome and the channels – features which otherwise would have been hard to identify volumetrically using original amplitude data.
To register for the Improving Geobody Visualization webinar, follow this link.
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INDUSTRY TRENDS
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CORPORATE NEWS
May 27, 2011: WITSML Technology with Greatest Momentum - SMT Survey
Digital Energy Journal
May 26, 2011: SMT Reports Geoscientists Predict Higher Oil Prices in 2012
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SERVICES AND SUPPORT HIGHLIGHTS
SMT would like to announce the immediate availability of Hot Fix 4 for KINGDOM version 8.6. This update contains fixes for issues identified since the release of Hot Fix 3 on May 3, 2011.
Update your Software
The fastest and easiest method to obtain the Hotfix is to download is from the SMT Update Manager version 1.6 or later which downloads and applies the software update in one easy step. (If necessary you can request that the physical media be shipped to your location by visiting http://www.seismicmicro.com/Contact_Us/.)
Download and Apply the Hot Fix with the Update Manager
1. Launch the SMT Update Manager by one of the following methods:
If you are updating KINGDOM 32-bit or 64-bit:
• Start > Programs > The KINGDOM Software [version] 32-bit or 64-bit > Update KINGDOM
If you are updating KINGDOM Data Management:
• Start > Programs > KINGDOM Data Management [version] > Update KINGDOM DM
2. On the Start page of the Update Manager, select Check the web for updates and Next.
• You may need to download a newer version of the Update Manager. If prompted, browse to a destination directory for the download package, click OK and then Next.
• Enter your My Account user name and password, and click Next.
• When the download is complete click Finish to launch the installation.
• Click Close when the installation is complete. The Update Manager will automatically open.
3. On the
Selection page of the Update Manager, select the Hot Fix from the list of available updates and browse to a destination directory for the download package. Click
OK and then
Next.
4. If prompted, re-enter your user name and password and click
Next.
5. When the download is complete, click
Finish to launch the InstallShield Wizard.
6. The installation of the update will begin automatically.
7. When installation is complete, click
Finish.
Download the Update Files from the SMT Web site and then Apply with Update Manager
You can also download the update (*.rtp) files from the SMT Web site to a local or network location and then apply the update to individual machines with the Update Manager.
1. Login to My Account on the SMT Web site at http://mya.seismicmicro.com.
2. Click the Downloads link and select Software Updates.
3. Click on the 8.5 update, browse to the download location on your computer or network, and download the update files.
4. Unzip or extract the files with a zip file utility such as WinZip or Windows' Extraction Wizard. The folder will contain 2 files: *.rtp and *.tag. Both files must stay in the same folder. When you apply the update you will need to specify this location.
5. Launch the SMT Update Manager by one of the following methods:
If you are updating KINGDOM 32-bit or 64-bit:
• Start > Programs > The KINGDOM Software [version] 32-bit or 64-bit > Update KINGDOM
If you are updating KINGDOM Data Management:
• Start > Programs > KINGDOM Data Management [version] > Update KINGDOM DM
6. On the Start page of the Update Manager, select I have the update *.rtp file already and Next.
7. On the Locate Update page, specify locations for the *.rtp and setup.exe files:
a. Update *.rtp file- browse to the unzipped folder location specified in step 4 above the select the *.rtp file - or browse to the file on the physical media (CD).
b. Setup.exe file – this field should be pre-populated if you launched the SMT Update Manager from one of the locations in step 1 of this section.
8. Click Next to launch the InstallShield Wizard. When installation is complete, click Finish.
Request Physical Media
If you do not have an Internet Connection and need to obtain the KINGDOM update on physical media, you will need to contact our support organization and request shipment of the KINGDOM update.
Technical Papers
We now have a new technical paper describing functionality within KINGDOM to help organizations working in unconventional gas resource plays.
Attribute of the Month - Trace Envelope
Trace Envelope has been given numerous names including: reflection strength, amplitude envelope, instantaneous amplitude, and energy envelope. The trace envelope represents the total instantaneous energy of the complex seismic trace and is independent of phase and always positive. Initially developed for the oil industry by Nigel Anstey in the 70's (popularized by Taner, Sheriff and Koehler) to help identify "bright spots" related to hydrocarbon accumulations.
Trace Envelope = Amplitude Envelope = Reflection Strength = Instantaneous Amplitude = Energy Envelope
The trace envelope can be calculated at three different places in KINGDOM:
- With a vertical seismic line highlighted select from the main toolbar Line>Seismic Attributes>Envelope. This will compute on-the-fly, the Trace Envelope of that seismic line.
- In the main toolbar select Tools>Trace Calculations>Process Multiple Traces… The Survey and/or subset of the survey is selected then on the next screen select Envelope. This will calculate the Trace Envelope of the area selected.
- In the main toolbar select Project>Rock Solid Attributes… The Input Page is displayed and the survey and/or subset of the survey is selected. Next the Attribute Selection page is displayed and under Instantaneous Attributes select Trace Envelope. Next the Parameters page displays and pay careful attention to input the frequency range of the data or zone being analyzed. This will calculate the Trace Envelope of the area selected.
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The trace envelope A(t) can be visualized in 3D by a complex trace that looks much like a slinky. At any point in time, the trace envelope represents the entire energy of the reflection information, including the real and imaginary (quadrature) portion of the trace. The information is presented as all positive values and does not reveal any phase information.
USES: The trace envelope is often associated with strong energy reflections that can be associated with major lithologic changes as well as hydrocarbon accumulations (bright spots). Lateral energy variations can quantify changes in acoustic rock properties and bed thickness. The trace envelope can also help distinguish between the top and bottom of thick units versus thin bed events.
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REFERENCES
Anstey, N. A., 1973, The significance of color displays in the direct detection of hydrocarbons: SEG Convention.
Barnes, A. E., 2007, a tutorial on complex seismic trace analysis, GEOPHYSICS, Vol 72 (November-December).
Taner, M. T., 2001, Seismic attributes: Canadian Society of Exploration Geophysicists Recorder, 26, no 7.
Taner, M. T., F. Koehler, and R. E. Sheriff, 1979, Complex seismic trace analysis: GEOPHYSICS, Vol 44.
Taner, M. T., and R. E. Sheriff, 1977, Application of amplitude, frequency, and other attributes to stratigraphic and hydrocarbon exploration, in C. E. Payton, ed., Seismic stratigraphy-Application to hydrocarbon exploration: AAPG Memoir 26.
White, R. E., 1991, Properties of instantaneous seismic attributes: The Leading Edge, 10, no. 7.
MONTHLY WORKFLOW TIP
Unable to find a Sonic log? Your well has no Resistivity log? Do you need to convert a log from English to Metric units? Problem solved! Just use the Conversions drop-down menu. In the main menu go to
Logs > Conversions and pick the log conversion that will best fit your workflow.
UPCOMING TRAINING
Seismic Micro-Technology has developed a line of comprehensive training courses for professionals who use SMT software in today's oil and gas industry.
Click here to view upcoming schedule and a training video.
GEOSCIENCE BLOGS
The New Twitter Connection
Follow the new Twitter account www.twitter.com/kingdomtrix for additional software tips. Years of SMT experience shared with you, 140 characters at a time.
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UPCOMING EVENTS
PRE-RECORDED WEBINAR: Improving Geobody Visualization
Wednesday, June 15, 2011
To join us for a free webinar please register at www.seismicmicro.com/webinar
This webinar will focus on how to calculate attributes in KINGDOM RSA that highlight different anomalies in the original data set. The workflow will demonstrate how to combine attribute co-blending with opacity controls to better visualize geobodies.
To register for the webinar, follow this link: www.seismicmicro.com/webinar
Upcoming 2011 Tradeshows
North America Unconventional Gas Conf. & Expo: SMT Attending
When: June 14 – 15, 2011
Where: The Woodlands, Texas
Atlantic Canada Petroleum Show: SMT Attending
When: June 22, 2011
Where: St. John's, Canada
AAPG Rocky Mountain: SMT Attending
When: June 26 – 28, 2011
Where: Cheyenne, Wyoming
Upcoming User Groups
If you are currently a customer you should attend one of our local User Group to learn product tips and tricks, network with other SMT product users and share knowledge with our product management.
Upcoming User Groups: www.seismicmicro.com/registration
San Antonio, TX – June 6th
Rio de Janeiro, Brazil – June 8th
Corpus Christi, TX – June 9th
Houston, TX – June 28th
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Seismic Micro-Technology, Inc.
8584 Katy Frwy, Suite 400
Houston, Texas 77024 (U.S.A.)
Ph: +1 713 464 6188 / Fax: +1 713 464 6440
www.seismicmicro.com | sales@seismicmicro.com | training@seismicmicro.com | support@seismicmicro.com
