6
UNIVERS software Пакет ЮНИВЕРС © GEOVERS Ltd., 2009 http://www.geovers.com UNIVERS seismic processing and interpretation software System platform Linux (IA32, AMD64), Solaris (SPARC) — main processing MS Windows XP — field processing and report graphics preparation Simple maintenance No need for special 3rd party software General procedures Applications • Checkshot VSP • Zero-offset and offset VSP • Walkaway and 3D VSP • 2D/3D+VSP • Surface seismic data analysis • Tie of VSP, LOG and CMP • Near-borehole interpretation • VSP acquisition system design • Model based geometry designing • Preprocessing of LOG data • POLYCOR static correction • Signal processing - noise attenuation - model based iterative wave separation - filtering - polarization - correlation of seismic events - signature and statistically consistent deconvolution • Velocity inversion • Ray modeling and migration • Finite-difference modeling and vector migration • Inversion • Interpretation

UNIVERS seismic processing and interpretation softwaregeovers.com/base/files/univers/univers_oct2009.pdf · • Checkshot VSP • Zero-offset and offset VSP • Walkaway and 3D VSP

  • Upload
    others

  • View
    11

  • Download
    0

Embed Size (px)

Citation preview

Page 1: UNIVERS seismic processing and interpretation softwaregeovers.com/base/files/univers/univers_oct2009.pdf · • Checkshot VSP • Zero-offset and offset VSP • Walkaway and 3D VSP

UNIVERS software Пакет ЮНИВЕРС

© GEOVERS Ltd., 2009 http://www.geovers.com

UNIVERS seismic processingand interpretation software

System platform

• Linux (IA32, AMD64), Solaris (SPARC) — main processing• MS Windows XP — field processing and report graphics preparation• Simple maintenance• No need for special 3rd party software

General procedures

Applications

• Checkshot VSP• Zero-offset and offset VSP• Walkaway and 3D VSP• 2D/3D+VSP• Surface seismic data analysis• Tie of VSP, LOG and CMP• Near-borehole interpretation• VSP acquisition system design

• Model based geometry designing• Preprocessing of LOG data• POLYCOR static correction• Signal processing - noise attenuation - model based iterative wave separation - filtering - polarization - correlation of seismic events - signature and statistically consistent deconvolution• Velocity inversion• Ray modeling and migration• Finite-difference modeling and vector migration• Inversion• Interpretation

Page 2: UNIVERS seismic processing and interpretation softwaregeovers.com/base/files/univers/univers_oct2009.pdf · • Checkshot VSP • Zero-offset and offset VSP • Walkaway and 3D VSP

Acquisition system design

UNIVERS software Пакет ЮНИВЕРС

© GEOVERS Ltd., 2009 http://www.geovers.com

Features:• Based on 3D velocity model• Both ray tracing and synthetic seismic modeling• Monotype and converted P/S reflections• Arbitrary vertical slice and X-Y plane view

WellShot Point

-500

5000

0

500

1000

1500

2000

2500

3000

3500

4000

4500

-2500 1500-2000 -1500 -1000 -500 0 500 1000

Z

XY

De

pth

, ft

Offset, ft

6390 ft/s

7350 ft/s7350 ft/s

10240 ft/s

11240 ft/s

13500 ft/s

12785 ft/s

14180 ft/s

13500 ft/s

9845 ft/s

Well Shot Point

-500

5000

0

500

1000

1500

2000

2500

3000

3500

4000

4500

-2500 1500-2000 -1500 -1000 -500 0 500 1000

Z

XY

De

pth

, ft

Offset, ft

6390 ft/s

7350 ft/s7350 ft/s

10240 ft/s

11240 ft/s

13500 ft/s

12785 ft/s

14180 ft/s

13500 ft/s

9845 ft/s

1200

-1400

-1300

-1200

-1100

-1000

-900

-800

-700

-600

-500

-400

-300

-200

-100

0

100

200

300

400

500

600

700

800

900

1000

-1500 900-1200 -900 -700 -500 -300 -100 100 300 500

X

Y

200

4347

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

3000

3200

3400

3600

3800

4000

4200

Refl.depth, ft

Shot Point

Reflection Points

Well

1200

-1400

-1300

-1200

-1100

-1000

-900

-800

-700

-600

-500

-400

-300

-200

-100

0

100

200

300

400

500

600

700

800

900

1000

-1500 900-1200 -900 -700 -500 -300 -100 100 300 500

X

Y

200

4249

400

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

3000

3200

3400

3600

3800

4000

Refl.depth, ft

Well

Shot Point

Reflection Points

Page 3: UNIVERS seismic processing and interpretation softwaregeovers.com/base/files/univers/univers_oct2009.pdf · • Checkshot VSP • Zero-offset and offset VSP • Walkaway and 3D VSP

Velocity model operations

UNIVERS software Пакет ЮНИВЕРС

© GEOVERS Ltd., 2009 http://www.geovers.com

Layering and zero offsetvelocity model tuning

Shear velocity tuning

Inverse kinematicproblem solution

for multiple offsets

Automatic wave separationImaging

Tie to LOG and CMP data2D velocity model3D velocity model

Further objectives:

Page 4: UNIVERS seismic processing and interpretation softwaregeovers.com/base/files/univers/univers_oct2009.pdf · • Checkshot VSP • Zero-offset and offset VSP • Walkaway and 3D VSP

Initial VSPwave-field

Automatic wave separation

Your benefits:Specifics:

• Model-based• 3C• Adaptive• Iterative• Noise aware• 2D/3D VSP

• separation• Easy to use• Fast processing• Ultimate results• Model check

Precise wave

UNIVERS software Пакет ЮНИВЕРС

© GEOVERS Ltd., 2009 http://www.geovers.com

Downgoing P (DP) Residuals

Downgoing S (DS) Harmonic noises

Multiple DP/UP/DSMultiple DP/UP/DP

Upgoing reflected P(DP/UP)

Downgoing convertedP/S (DP/DS)

Upgoing convertedP/S (DP/US)

neO pSte

Page 5: UNIVERS seismic processing and interpretation softwaregeovers.com/base/files/univers/univers_oct2009.pdf · • Checkshot VSP • Zero-offset and offset VSP • Walkaway and 3D VSP

Precise tie of CMP section to LOG via VSP

UNIVERS software Пакет ЮНИВЕРС

© GEOVERS Ltd., 2009 http://www.geovers.com

Page 6: UNIVERS seismic processing and interpretation softwaregeovers.com/base/files/univers/univers_oct2009.pdf · • Checkshot VSP • Zero-offset and offset VSP • Walkaway and 3D VSP

UNIVERS software Пакет ЮНИВЕРС

© GEOVERS Ltd., 2009 http://www.geovers.com

Imaging and interpretation

High definitionVSP imaging to

provide more detailscomparing surface

seismic section

G

Horizons correlation,map compositionwith horizons and

their attributes