Structural and time-lapse imaging through gas clouds via FWI at Eldfisk field, North Sea

Zhengxue Li, Leila Bencherif-Soerensen, Per Gunnar Folstad, Brian Macy, Simon Shaw, Baishali Roy

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and the Q effect was not considered to save computational cost. The time-lapse velocity change was then determined by subtracting the baseline (2017...

Contemporaneous Subsidence and Fluvial Channel Sedimentation: Upper Mannville C Pool, Berry Field, Lower Cretaceous of Alberta

John C. Hopkins

AAPG Bulletin

..., subsidence) through time produced both the facies and structural configurations observed in this oil pool. AAPG-USGS, R. W. Bayley, and W. R. Muehlberger...

Prestack Impedance Inversion Aids Interpretation, by Satinder Chopra and Ritesh Kumar Sharma; #41664 (2015).

Search and Discovery.com

Sedimentary Structures Generated by Flow in Alluvial Channels

D. B. Simons, E. V. Rlchardson, C. F. Nordin JR.

Special Publications of SEPM

... particles is in steps that are as long as the ripple or dune with a time between steps dependent on the velocity and amplitude of the ripple or dune...

Challenges of Sub-Thrust Imaging Using Broadband Three-Dimensional Seismic Data: a Case Study in the Outer Banda Arc, Indonesia

Masamichi Fujimoto, Yonghe Guo, Anky Fatwa, Yuki Sasaki

Indonesian Petroleum Association

.... Kirchhoff prestack time migration (PrSTM), PrSDM, and Controlled Gaussian Beam Migration (CBM) were utilized for velocity modeling and seismic imaging...

HydroFracture Monitoring Using Vector Scanning With Surface Microseismic Data, #41459 (2014).

Quansheng Zhang, Zhanchun Ren, Bintao Zheng, Lei Wang, Shigang Yang, Beiyuan Liang

Search and Discovery.com

... should also be independently controlled by GPS, and it can transmit numerous real-time data wirelessly and quickly. C) Instead of scalar stacking...

Regional Subdivisions, Sequences, Correlations and Facies Relationships of the Lower Triassic Montney Formation, West-Central Alberta to Northeastern British Columbia, Canada — with Emphasis on Role of Paleostructure

Graham R. Davies, Neil Watson, Thomas F. Moslow, James A. MacEachern

CSPG Bulletin

... lithostratigraphic picks and correlations in this paper centre around the placement of the Dienerian-Smithian (Lower to Middle Montney) boundary...

The Use of Seismic Data in Predicting the Abnormal High Pressure Zone for Exploration Drilling in Pertamina Unit E.P. III Working Area

Basuki Puspoputro

Indonesian Petroleum Association

... to interval 375 msec to 565 msec TWT - milliseconds seismic two way time). At this interval the stacking velocity analysis was not well done due...

Computer Simulation of the Yates Formation (Permian, Delaware Basin) - Sequence Stratigraphy and Shelf-to-Basin Correlation Implications

James M. Borer, Paul M. Harris

West Texas Geological Society

... shifts in deposition through time systems tracts), and internal facies stacking patterns. The basic components of the shelf cycles are (1) a surface...

Digital Outcrop Models: Applications of Terrestrial Scanning Lidar Technology in Stratigraphic Modeling

J.A. Bellian, C. Kerans, D.C. Jennette

Journal of Sedimentary Research (SEPM)

... with lidar and real-time kinematic GPS on the flow-unit scale: an example from the Pipe Creek Early Albian rudist buildup, Central Texas (abstract): American...

Aquifer/aquitard Units of the Dakota Aquifer System in Kansas: Methods of Delineation and Sedimentary Architecture Effects on Ground-water Flow and Flow Properties

P. Allen Macfarlane , J.H. Doveton , Howard R. Feldman , J.J. Butler, Jr. , J.M. Combes , D.R. Collins

Journal of Sedimentary Research (SEPM)

... standards allows correction of random errors that involve both shift and stretch of the log with respect to its true scale. The choice of each...

Influence of Geological Factors on Longitudinal Seismic Velocities

B. B. Weatherby , L. Y. Faust

AAPG Bulletin

... of calcareous sandstones and shales is substantially higher than that of a normal sand-shale section. The effect of depth on the velocity of a given...

The Seismic Exploration of the Mahakam Delta, or "Nine Years Shooting in Rivers, Swamps and Very Shallow Offshore"

Guy Roux

Indonesian Petroleum Association

.... Problem: "Low velocity layer" anomalies (Lines 712/721). In the case of Line 721 the presence of shallow "LVL"s only results into a pull-down effect...

Wide-Angle Seismic-Reflection and -Refraction Data from the Solomon Islands

A. K. Cooper, R. A. Wood

Circum Pacific Council Publications

... interpretation accommodated weaker and second arrivals, corre­ lated refractors between sonobuoy stations, verified picks for the deeper high-velocity...

Some Principles and Techniques Used in Reconstructing the Hydraulic Parameters of a Paleo-Flow Regime

Alan V. Jopling

Journal of Sedimentary Research (SEPM)

... a binding effect on the mix. For Kramer's 0.53 and 0.55 mm sands the representative size correlative with the threshold velocity would be closer...

The Effect of Roughness of Pore Surfaces on Elastic Wave Velocity in Pore-Scale Modeling

Search and Discovery.com

Fullband imaging

Zhengmin Zhang, Jiwei Jia, Geping Fu, Hao Zhang, David Chow, Barry Hung, Ian Anstey, Wai Leong Lai

Petroleum Exploration Society of Australia (PESA)

... of ghost and the absorption effect of an anelastic earth. The ghost effect is the result of reflections from the surface of the ocean. These reflections...

A Report on the Renaissance of Gravity in the Deep Water Gulf of Mexico: A Practical View of Integration Methods

Brian S. Anderson, Mark E. Weber, John E. Bain

Houston Geological Society

... are analyzed, typically using cross plots, and a function is derived to convert between the density and the velocity volumes. The gravity effect...

Refining our understanding of the subsurface geology using deep learning techniques

Salma Alsinan, Philippe Nivlet, Hamad Alghenaim

International Meeting for Applied Geoscience and Energy (IMAGE)

...) regarding the importance of developing an inclusive geological model to train these algorithms. Furthermore, this Figure 3: Time slice at reservoir level...

Effects of near Surface Lithology on Velocity Modelling and Time„Depth Relationships in the Cooper„Eromanga„Lake Eyre Basin

Anna Manka, Glen Buick, Rob Menpes, Luke Gardiner, Cameron Jones, Khalid Amrouch

Australian Petroleum Production & Exploration Association (APPEA) Journal

...Effects of near Surface Lithology on Velocity Modelling and Time„Depth Relationships in the Cooper„Eromanga„Lake Eyre Basin Anna Manka, Glen Buick...

Direct Hydrocarbon Indications Using Seismic Amplitude Variations with Offset

William J. Ostrander

AAPG Special Volumes

..., S.N., 1976, Effect of brine-gas mixture on velocity in an unconsolidated sand reservoir: Geophysics, v. 41, p. 882-894. Domenico, S.N., 1977, Elastic...

An Overview of Reservoir Seismic Stratigraphy, Frontmatter

Tom Wittick

North Texas Geological Society

... processing steps which affect stratigraphic interpretation Fresnel zones and their effect in stratigraphic interpretation IV. Synthetic Seismograms...

Reducing mapping ambiguity via visco-acoustic multi-azimuth dynamic resolution time-lag full-waveform inversion in offshore Senegal

Kai Zhao, Hui Zhang, Jianfeng Yao, Robert Eliott-Lockhart, Jacob Low

International Meeting for Applied Geoscience and Energy (IMAGE)

... components). Dynamic Resolution Time-Lag FWI FWI has proven to be an attractive choice for building highresolution velocity models in complex geologic...

Abstract: White Noise Suppression in the Time Domain … Part I; #90174 (2014)

Patrick Butler

Search and Discovery.com

...Abstract: White Noise Suppression in the Time Domain … Part I; #90174 (2014) Patrick Butler AAPG Datapages/Search and Discovery Article #90174 CSPG...

Abstract: Spectral Decomposition with Real Seismic Wavelet; #90187 (2014)

Rongfeng Zhang

Search and Discovery.com

... in seismic interpretation. There are several approaches used, from the popular Short Time Fourier Transform (STFT) and Continuous Wavelet Transform (CWT...