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Pore pressure prediction using seismic

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Proceedings Papers

Paper presented at the SPE Oil and Gas India Conference and Exhibition, March 28–30, 2012
Paper Number: SPE-153764-MS
... property such as formation pressure and temperature ( Khazanehdari et al. 1998 ). The technology for using seismic velocities for pore pressure prediction is well known and has improved over the last few decades with advances in areas of velocity analysis. However, the interval velocities, usually obtained...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2014
Paper Number: SPE-172495-MS
... workflow for design and safe delivery of development wells targeting and/or traversing virgin reservoirs under depletion using seismic velocity and appraisal well data is presented. Reservoir Characterization overburden stress PPP horizontal stress Upstream Oil & Gas modeling pore pressure...
Proceedings Papers

Paper presented at the 2006 SEG Annual Meeting, October 1–6, 2006
Paper Number: SEG-2006-1540
... of effective stress from velocity is not new, and many works currently use seismic velocities or borehole velocity logs for pore pressure prediction. sedimentary basin estimation seismic inversion pore pressure inversion seismic velocity compaction pore pressure prediction density cube...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, February 23–25, 2000
Paper Number: SPE-59122-MS
... not ideal. Seismic velocities used during seismic processing are designed to optimize the stack/migration result, with local fluctuations being smoothed out and the velocity sampling interval usually being too coarse for accurate pore pressure prediction. Various methods of determining seismic interval...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13871729
... an integrated workflow that uses high-resolution seismic imaging, prestack inversion, pore-pressure prediction, geological interpretation, and seismic attribute analysis. We use a rock-physics-guided velocity model to derive a low-frequency model for prestack inversion and pore-pressure prediction using a high...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5917110
...Anew method for pore pressure prediction using logging and seismic data Liwen Yu*, Sam Zandong Sun, Zhishui Liu, Lab for Integration of Geology and Geophysics (LIGG), China University of Petroleum (Beijing), Ning Dong, Petroleum E&P Research Institute SINOPEC Yiming Ma, Wenkui Yang, Rongrong, Lab...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1584
... extraction, well correlation (well tie), horizon determination and picking, and calibrating pressure to well logs has been applied to a 3D post stack seismic data to obtain acoustic impedance and a pore pressure map. The mapped pore pressure values determined by this technique will enable us to predict...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998124
.../energy_in_brief/images/charts/NatGasSchematic-large.jpg . Preliminary Study of Shale Gas Exploration Using Integration of Seismic Simultaneous Inversion, Pore Pressure Prediction, and TOC Prediction. Adhiawa Alif Archiafinno (1) Hedriana Herry (2) (1) University of Padjadjaran, (2) Indonesia Research...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-52-MS
... for predicting pore pressure based on P-impedance and the ratio VP / VS of the vertical P-velocity, VP, to vertical S-velocity, VS, obtained from inversion of seismic amplitude variation with offset (AVO) data. Employing P-impedance is analogous to using seismic velocity in conventional seismic-based pore...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 15–17, 2018
Paper Number: SPE-191498-18RPTC-MS
... Abstract For the offshore prospecting and appraisal well drilling optimization, an approach was proposed, included Pore Pressure prediction based on 2D processing of a seismic surface data. This approach was used for timely detection of sharp changes in Pore Pressure with depth, under expected...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2994796
... compaction trend. Han, Marina Pervukhina et al. (2017) simulated the P- and S-velocities using the clay-plus-silt (CPS) model to gain normal velocity trend, and then completed the pore pressure prediction. The result was good. In this study, AVO/AVA simultaneous inversion is used to obtain accurate seismic...
Proceedings Papers

Paper presented at the SPE Middle East Oil & Gas Show and Conference, March 6–9, 2017
Paper Number: SPE-183827-MS
... Abstract A case study is presented to illustrate the successful prediction of formation pore pressure ahead-of-bit using vertical seismic profile (VSP) data acquired from the Red Sea, offshore Saudi Arabia. Two look-ahead VSPs were collected at two intermediate depth (TD) levels. VSP data...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 1–3, 2011
Paper Number: SPE-140045-MS
... TVDSS. Mud weights were expected to go as high as 16.5 ppg. The 12.25 inch section was optimized for casing point selection by the use of real time seismic checkshots for accurate time depth conversion. In the 8.5 inch section two interventions were made. Using the pore pressure prediction - mud...
Proceedings Papers

Paper presented at the 2003 SEG Annual Meeting, October 26–31, 2003
Paper Number: SEG-2003-1366
... Summary We propose a methodology to propagate uncertainties in seismic pore pressure prediction using a 3-D Probabilistic Mechanical Earth Model (P-MEM). An extended form of Bowers formula is used to link pore pressure to seismic velocity, overburden stress, porosity and clay volume...
Proceedings Papers

Paper presented at the 2001 SEG Annual Meeting, September 9–14, 2001
Paper Number: SEG-2001-0783
... ABSTRACT An accurate knowledge of formation pore pressure is required for safe and economic drilling in overpressured areas. The use of seismic data for pore pressure prediction is well known, but the seismic velocities used have often been derived with low resolution methods that average over...
Proceedings Papers

Paper presented at the SPE Middle East Oil Show, March 17–20, 2001
Paper Number: SPE-68195-MS
... velocities are required. Frequently, velocities obtained from surface seismic stacking velocity data are used, but these often lack the resolution for accurate pore pressure prediction. However, seismic reflection tomography can give the needed resolution for more accurate pore pressure prediction...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, February 26–28, 2002
Paper Number: SPE-74487-MS
... two: Pore pressure -red, fracture gradient – yellow, and OBG - blue). Scale 8-20 ppg. Track three: Seismic velocity - red and the normal compaction trend line - blue). Scale 200 – 40 us/f. Additional seismic based predictions of lithologies, porosities, and pore space fluids were also...
Proceedings Papers

Paper presented at the 1999 SEG Annual Meeting, October 31–November 5, 1999
Paper Number: SEG-1999-0172
... calibration surface seismic velocity overpressure reservoir characterization Are pore pressure related drilling problems predictable? The value of using seismic before and while drilling. Raghavendra Kulkarni, Schlumberger GeoQuest Joerg H. Meyer, Schlumberger Wireline & Testing and David Sixta, Union...
Images
<span class="search-highlight">Pore</span> <span class="search-highlight">pressure</span> <span class="search-highlight">prediction</span> for the <span class="search-highlight">seismic</span> line <span class="search-highlight">using</span> the tomographically ref...
Published: 23 February 2000
Figure 10 Pore pressure prediction for the seismic line using the tomographically refined velocities and equation (7) with parameters determined by inverting the mudweights from the two offset wells. More
Proceedings Papers

Paper presented at the 1997 SEG Annual Meeting, November 2–7, 1997
Paper Number: SEG-1997-2013
... overburden pressure formation pressure exploration water column deep water upstream oil &amp; gas drilling pore pressure sediment SS 6.7 Accurate pore pressure and fracture pressure predictions using seismic velocities - An aid to deep water exploration and drilling design Stan Lee Joe Reilly...

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