Investigation into the use of 2D elastic waveform inversion from look‐ahead walk‐away VSP surveys

References

1. BowersG.L.1999. Pore pressure estimation from velocity data: Accounting for overpressure mechanisms besides under‐compaction. In: Pore Pressure and Fracture Gradients, SPE Reprint series No. 49, pp. 78–84. Society of Petroleum Engineers.
   [Google Scholar]
2. BowersG.2002. Detecting high overpressure. The Leading Edge21, 174–177.
   [Google Scholar]
3. BruceB.2002. An introduction to this special section: Pore pressure. The Leading Edge21, 169–177.
   [Google Scholar]
4. BunksC., SaleckF.M., ZaleskiS. and ChaventG.1995. Multiscale seismic waveform inversion. Geophysics60, 1457–1473.
   [Google Scholar]
5. ChararaM., BarnesC. and TarantolaA.1996. The state of affairs in inversion of seismic data: an OVSP example. 66th SEG meeting, Denver, Colorado, USA, Expanded Abstracts, 1999–2002.
6. CollierJ.S. and SinghS.C.1998. Poisson's ratio structure of young oceanic crust. Journal of Geophysical Research103, 20981–20996.
   [Google Scholar]
7. EatonB.1975. The equation for geopressure prediction from well logs. SPE Paper 5544.
8. EbromD., MuellerM., ShahH. and ThomsenL.2002. VSP‐derived Vp/Vs ratios for pressure prediction ahead of the bit. 64th EAGE meeting, Florence , Italy , Expanded Abstracts, F021.
9. EbromD., HeppardP., MuellerM. and ThomsenL.2003. Pore pressure prediction from S‐wave, C‐wave, and P‐wave velocities. 73rd SEG meeting, Dallas, Texas , USA , Expanded Abstracts.
10. EbromD., HeppardP., ThomsenL., MuellerM., HarroldT., PhillipL. and WatsonP.2004. Effective stress and minimum velocity trends. 74th SEG meeting, Denver, Colorado , USA , Expanded Abstracts.
11. FreudenreichY.P.2002. P‐ and S‐wave velocity estimation from full wavefield inversion of wide‐aperture seismic data . PhD thesis, University of Cambridge.
    [Google Scholar]
12. FurreA.2002. The effective stress coefficient for wave velocities in saturated grain packs. 64th EAGE meeting, Florence , Italy , Expanded Abstracts.
13. GaoF., LevanderA.R., PrattR.G., ZeltC.A. and FradelizioG.L.2006. Wavefield tomography at a groundwater contamination site: VSP‐surface data set. Geophysics71, H1–H11.
    [Google Scholar]
14. GutierrezM., BraunsdorN. and CouzensB.2006. Calibration and ranking of pore‐pressure prediction models. The Leading Edge25, 1516–1523.
    [Google Scholar]
15. HornbyB.1996. An experimental investigation of effective stress principles for sedimentary rocks. 66th SEG meeting, Denver, Colorado , USA , Expanded Abstracts, 1707–1710.
16. HornbyB., YuJ., SharpJ., RayA. and RegoneC.2006. VSP: Beyond time‐to‐depth. The Leading Edge25, 446–452.
    [Google Scholar]
17. JapsenP., MukerjiT. and MavkoG.2007. Constraints on velocity‐depth trends from rock physics models. Geophysical Prospecting55, 135–154.
    [Google Scholar]
18. J.B.Bednar
    LaillyP.1983. The seismic inverse problem as a sequence of before sack migrations. In: Conference on Inverse Scattering: Theory and Application (eds J.B.Bednar , R.Redner , E.Robinson and A.Weglein ), pp. 206–220. Philadelphia Society of Industrial and Applied Mathematics.
19. LeaneyW.S., HornbyB.E., CampbellA.J., ViceerS., AlbertinM. and MalinvernoA.2004. Sub‐salt velocity prediction with a look‐ahead AVO walkaway. 74th SEG meeting, Denver, Colorado , USA , Expanded Abstracts, 2474–2476.
20. LevanderA.1988. Fourth‐order finite‐difference P‐SV seismograms. Geophysics53, 1425–1436.
    [Google Scholar]
21. MittetR. and HokstadK.1995. Transforming walk‐away VSP data into reverse VSP data. Geophysics60, 968–977.
    [Google Scholar]
22. MoraP.1987. Non‐linear two‐dimensional elastic inversion of multi‐offset seismic data. Geophysics52, 1211–1228.
    [Google Scholar]
23. PengC. and ToksözM.N.1995. An optimal absorbing boundary condition for elastic wave modelling. Geophysics60, 296–301.
    [Google Scholar]
24. PicaA., DietJ.P. and TarantolaA.1990. Nonlinear inversion of seismic reflection data in a laterally invarient medium. Geophysics55, 284–292.
    [Google Scholar]
25. PolakE.1971. Computational Methods in Optimization: A Unified Approach . Academic Press.
    [Google Scholar]
26. RaoY., WangY. and MorganJ.V.2006. Crosshole weismic waveform tomography ‐ II. Resolution analysis. Geophysical Journal International166, 1237–1248.
    [Google Scholar]
27. RobertsM.2007. Full waveform inversion of walk‐away VSP data , PhD thesis, Institut de Physique du Globe de Paris.
    [Google Scholar]
28. SheenD.‐H., TuncayK., BaagC.‐E. and OrtolevaP.J.2004. Efficient finite difference calculation of partial derivative seismic wavefield using reciprocity and convolution. 74th SEG meeting, Denver, Colorado , USA , Expanded Abstracts.
29. ShippR. and SinghS.C.2002. Two‐dimentional full waveform inversion of wide aperture marine seismic streamer data. Geophysical Journal International151, 325–344.
    [Google Scholar]
30. TarantolaA.1984. Inversion of seismic reflection data in the acoustic approximation. Geophysics49, 1259–1266.
    [Google Scholar]
31. TarantolaA.1986. A strategy for non‐linear elastic inversion of seismic reflection data. Geophysics51, 1893–1903.
    [Google Scholar]
32. TarantolaA.2005. Inverse Problem Theory and Model Parameter Estimation. SIAM.
    [Google Scholar]
33. TerzaghiK.1936. The shear resistance of saturated soil and the angle between planes of shear. Proceedings of the 1st International Soil Mechanics & Foundation Engineering Conference , Vol. 1, pp. 54–56. Harvard , MA .
34. ViceerS., VinsonM.L., HornbyB., EbromD., HeppardP., JayC. and BlangyJ.‐P.2006. Improving drilling efficiency using a look‐ahead VSP to predict pressure, exiting salt: Five Gulf of Mexico examples. 2006 Offshore Technology Conference, Houston, Texas, USA, 1–4 May 2006, OTC 18262.