Seal failure assessment of a major gas field via integration of seal properties and leakage phenomena

M. Foschi, and J. A. Cartwright

AAPG Bulletin

... was depth converted using 924 velocity functions provided by NOPTA. The velocity functions were first smoothed with an operator of 300 ms in length...

Some Sedimentological Aspects of Planar Cross-stratification in a Sandy Braided River

Norman D. Smith

Journal of Sedimentary Research (SEPM)

... to a few tens of centimeters, but heights of over 1 meter occur rarely. Depth, velocity, stream power (product of tractive shear stress and mean velocity...

Quantitative Geometry of Thrust and Fold Belt Structures

Peter B. Jones

AAPG Special Volumes

... of both timing and amount of deformation. Geometric modeling demonstrates the intuitive nature of some widely accepted geologic assumptions. Geometric...

Interaction between sea-level changes and depositional tectonics: Implications for hydrocarbon prospectivity in the western coastal swamp depobelt, Niger Delta Basin, Nigeria

Ovie B. Ogbe, Ifeanacho P. Orajaka, Jerry Osokpor, Tuviere Omeru, and Sunday E. Okunuwadje

AAPG Bulletin

... velocity (Figure 3). The velocity–time function was used to convert time–depth structural maps in Petrel software. Figure 3. Velocity model obtained from...

Renewed Field Development Plan from Recently Found Uncertainty in Sungai Gelam Field, South Sumatra Basin, Jambi

Reza Rahadian, Erwin Dicky Dusyanto, Adi Widyantoro, Oki Musakti, Hendra Baskara

Indonesian Petroleum Association

..., and depth trend generated from the least square of the combined stacking and well velocities. Velocity is populated in a 50mx50m grid contrained with five...

Effective flow properties of heterolithic, cross-bedded tidal sandstones: Part 2. Flow simulation

Benoît Y. G. Massart, Matthew D. Jackson, Gary J. Hampson, and Howard D. Johnson

AAPG Bulletin

... parameters has been determined: (1) mudstone fraction, (2) sandstone laminae thickness, (3) mudstone drape continuity, (4) toeset dip, (5) climb angle...

Value & Insights from Synthetic Seismic Validation of Reservoir Models in Carbonate Gas Fields, Offshore Sarawak (Paper A12)

K. N. Baharaldin, A. Kayes

Geological Society of Malaysia (GSM)

... for predicting the location and timing of water breakthrough. Converting intra-carbonate depth horizons back into the time domain using velocities derived from...

Abstract: Estimation of In Situ Thermal Conductivity in the Jeanne D'Arc Basin, by Z. Huang and M. A. Williamson; #91012 (1992).

Search and Discovery.com

The Evolution of FWI and its Perceived Benefits

Tony Martin, Andrew Long

Australian Petroleum Production & Exploration Association (APPEA) Journal

... with poor sampling, this can result in localised velocity model errors from tomographic inversion. Refraction tomography, the process of using post...

Abstract: Post-processing Technique to Relocate Microseismic Events Using the Double-Difference Method; #90187 (2014)

Fernando Castellanos and Mirko van der Baan

Search and Discovery.com

... monitoring, is mainly affected by several factors: a limited sourcereceiver configuration, errors in time picks and in the velocity model used, which...

Vertical Seismic Profiling in Hydrocarbon Exploration and Reservoir Development

Bob A. Hardage

Circum Pacific Council Publications

..., the collapsed appearance of the structure is likely the effect of a velocity pull down and not a true structural collapse of the crest of the anticline. Several...

The Only Complete Regional Perspective: RTM Re-Processing Gives a New Look at the Gulf of Mexico Continental Margin

Barbara Radovich, Brian Horn, Peter Nuttall, Adrian Mcgrail, ION Geophysical

GEO ExPro Magazine

... the velocity model-building. This effort involved multiple processing iterations examining the effect of the salt velocities on imaging deep strata below...

Analog modeling of normal faulting above Middle East domes during regional extension

Darrell W. Sims, Alan P. Morris, Danielle Y. Wyrick, David A. Ferrill, Deborah J. Waiting, Nathan M. Franklin, Shannon L. Colton, Yoshihiko Tamura Umezawa, Mamoru Takanashi, Emily J. Beverly

AAPG Bulletin

... timing and velocity of uplift. The results from these models best represent the structures observed and interpreted in the offshore domes. Both models...

Use of Windowed Seismic Attributes in 3D Seismic Facies Analysis and Pattern Recognition

David C. Carter

Indonesian Petroleum Association

... contrasts. Since seismic data is imaged through an overburden, which has its own velocity and filtering effect, overlying units can be responsible...

Architecture and Sequence Stratigraphy of a Late Neogene Incised Valley at the Shelf Margin, Southern Celtic Sea

Jean-Yves Reynaud , Bernadette Tessier , Jean-Noel Proust , Robert Dalrymple , Jean-Francois Bourillet , Marc De Batist , Gilles Lericolais , Serge Berne , Tania Marsset

Journal of Sedimentary Research (SEPM)

... a strong effect on fluvial base levels in the Kaiser valley area, which is near the shelf break. Sequence Stacking Pattern Relative to the other...

Sea-Level Variation During the Holocene Deduced from the Morphologic and Stratigraphic Evolution of Morgan Peninsula, Alabama, U.S.A.

Antonio B. Rodriguez, Craig T. Meyer

Journal of Sedimentary Research (SEPM)

... using only the velocity of saturated sand (0.06 m/ns) to make depth axes consistent throughout the profiles adjusted for topographic variations...

Elastic full-waveform inversion using random space shift

Yuhui Yao, Jizhong Yang, Yuzhu Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... between different model parameter classes. To make EFWI more robust against large errors in initial velocity models, we made an extension of our...

Sequence Stratigraphy for Explorationists - Workshop Summary

Bruce Hart, Nikki Strong

PTTC

... sections, and stratigraphic and structural features are often difficult to recognize. Seismic resolution decreases with depth as velocity increases...

Salt Insertions in Sedimentary Sequences: Impacts on Temperature and Thermal Maturation with Depth

K. Zhao, I. Lerche

GCAGS Transactions

... sedimentary rocks and halite. A more accurate assessment of thermal maturation in a basin should emphasize the effect of timing, depth and thickness...

Annual Layers Revealed by GPR in the Subsurface of a Prograding Coastal Barrier, Southwest Washington, U.S.A.

L.J. Moore,,, H.M. Jol, S. Kruse, S. Vanderburgh, G.M. Kaminsky

Journal of Sedimentary Research (SEPM)

... constrained by observations, it is unclear whether velocity variations with depth are associated with magnetite content and/or layer compaction...

ABSTRACT The Variable Role of Salt Tectonics on Turbidite Channels Along Continental Margins, #90104 (2010)

Gawthorpe Robert; Oluboyo Ayodeji P.; Hadler-Jacobsen Frodeand

Search and Discovery.com

... a profound effect on seafloor  geomorphology. Such deformation, typically expressed as up‐dip extensional growth faulting, and rafts, that passes down...

Abstract: Microseismic Event Locations Uncertainity and Acquisition Geometry; #90224 (2015)

Amna Feroz and Mirko van der Baan

Search and Discovery.com

... uncertainty in microseismic event locations. Uncertainties in microseismic event location arise due to several factors, including inaccurate velocity model...

ABSTRACT: Newtonia Field: Model for Mid-Dip Lower Tuscaloosa Retrograde Deltaic Sedimentation, by Michael D. Hogg; #91036 (2010)

Search and Discovery.com

The Importance of Sediment Supply and Sequence-stacking Pattern in Creating Hyperpycnal Flows

Sverre Henriksen, Anna Ponten, Nils Janbu, Britta Paasch

AAPG Special Volumes

...) document the importance of the fluviodeltaic input to these basins, (2) demonstrate the effect of a high sediment supply on sequence-stacking patterns...

Sequence Stratigraphy and Facies Model of an Incised Valley Fill: The Gironde Estuary, France: DISCUSSION

Ole J. Martinsen, William Helland-Hansen

Journal of Sedimentary Research (SEPM)

..., through both dip and strike sections through the estuarine fill of the Gironde. Their study truly illustrates the need for more detailed facies...