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landmark seisworksR2003


Seisworks

兰德马克公司 朱庆荣 7.05.2004

SeisWorks Family –New Features
1. 2. 3. 4. ZGF overlays on a Time Slice; Output (Add) a picture to a ZGF; Session & Bookmark fil

e backward compatibility to the previous version Session & Bookmark files support project modifications (add/remove 2D lines, add/remove 3D projects,…)

SeisWorks Family –New Features
Enhance SeisWorks Mapping
Increased mapping data limits
Maximum points for a Mapit! Polygon (252 -> 10,000). Maximum points for a ZCM polygon (254 -> 10,000). Maximum points for a Mapit! surface (150K -> 1M ). Maximum number of characters allowed for a mapping file name

Automatic polygons generation from horizons.
Attribute value or null data Smoothing & decimation options Capture of polygon Z values

SeisWorks Family – New Features
? Improved Fault Data Manager
Better Performance Bulk operations

SeisWorks Family – New Features Horizontal Wells
Well curve display for recumbent wells Properly utilize measured depth check shot information to more accurately position deviated well bores Improved projection of the well bore to a time slice View logs on SeisWorks well section displays

SeisWorks Family –
General Application Performance
Improved fault cache initialization on large projects Seismic display performance [using shared memory Larger buffer size for seismic view display

SeisWorks Family –Usability
“Quick & Easy” list selection and manipulation
Popular Search/Filter dialogs now available for;
Wells, Log Curves, Picks (Including pick lists) Synthetic, T/D Curves Session Files, Point Files, Animation Files

Pick Lists

SeisWorks Family –Usability
Quickly control multiple seismic views

Locked Seismic View groups;
Automatically synchronize specifically selected data and/or commands (Seismic Parameters, Seismic Files, Frame / Scroll / Time Controls, Zoom , Magnify, & Bookmarks).

SeisWorks Family –Usability
Identify commands and data
“Tool Tips” on Icons;
Textual popup descriptions for SeisWorks windows icons

“Tool Tips” on Data;
Textual popup over data (horizon, fault, well, 2D seismic).

Tool Tips

SeisWorks Family –Usability Icon Bubble Help
Pick screen capability in key dialogs –
? ? ? ? View Control Frame Control Fault Correlation Active Horizon

More hot keys ctrl+z (reselect time/depth) k Horizon tracking parameters j invokes Brush mode

SeisWorks Family – New Features
Stratigraphic Interpretation
? ? ? ? ? Flatten seismic horizon to another horizon Flatten seismic horizon to a specific time/depth datum Improved smooth seismic display with sub-sample interpolation Interpret directly on the actively flattened horizon “Hot-key” for quick section flattening and unflattening (y)

SeisWorks Family –New Features
Stratigraphic Interpretation
? Persistent shift storage for flattened seismic data volumes stored on disk
Datum support for Min/Max/Average/Horizon or a user specified value

?

?

Multi-user & multi-application shared memory for seismic data volume access ( SeisWorks, ZAP!, FZAP!, EarthCube,.. ) Temporal seismic volume flattening within the shared memory segments

SeisWorks Family –New Features
Stratigraphic Interpretation
New horizon display option: Semi-transparent horizon Slice auto-track with flood fill or paint brush AutoTrack “Undo” and “Retrack” options Support for tracking of flattened seismic volumes

SeisWorks Family – New Features
? Shared Memory Administration Tool
Effectively Manage the Shared Memory Resource
Full Volume information (owner, creation date, source,…) Configurable views / column sorting Quick multi-volume deletion

SeisWorks Family – New Features
? FrameWork Tool
Earth Model FrameWork Building
Extend Horizons to Faults Trim Horizons to Faults Generate polygons at fault/horizon intersections

SeisWorks Family - Workflows
Stratigraphic Interpretation
? Improve ZAP! operation through highly dipping structure by flattening on a marker horizon

Tack initial structure Flatten the seismic volume to remove dip ZAP! events with dip & faults removed

basemap
Example 2 (somewhere in S.E. Asia)

Example 3 (North Sea)

? Manual interpretation can be lower quality than automated interpretation
– Consistency varies from line to line – Results in mispicks and incorrect interpretations – Correcting problems can be tedious!

Moving to the new world
Old World New World

Zap
? Fault Blocking ? Tracking Type ? Score ? Iterations

Fault Blocking

Fault Blocking On

Fault Blocking Off

Tracking Type
T T T S
Simple

T T T T S T
Standard

T T T T T T T T T T T T S T T T T T T T T T T Complex T T

Tracking Type
T T T S
Simple

T T T T S T
Standard

T T T T T T T T T T T T S T T T T T T T T T T Complex T T

? Does not attempt to tie back to itself, so only works where data is really clean. ? Very Fast! ? Usually tracks everywhere. ? Rarely gives good results.

Tracking Type
T T T S
Simple

T T T T S T
Standard

T T T T T T T T T T T T S T T T T T T T T T T Complex T T

? Ties back to original seed point. ? Fast ? Does not always track everywhere; especially when data quality is poor. ? Gives reasonable results for good quality data.

Tracking Type
T T T S
Simple

T T T T S T
Standard

T T T T T T T T T T T T S T T T T T T T T T T Complex T T

? Ties loops – all traces within the tile must tie for the tile to be accepted. ? Slow! ? Does not track very well with default parameters. ? Tracked data is very accurate.

Zap in action…

Complex tracking, with 3 iterations…

Surface Tool
? Intersects fault planes with horizons ? No fault segments are not involved ? Saves a lot of time over “conventional” workflow

Surfaces

Thank you


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