Evaluation of the Global Oxygen Isotope Curve as a Proxy for Quaternary Sea Level by Modeling of Delta Progradation

Kenneth I. Skene , David J.W. Piper , Ali E. Aksu , James P.M. Syvitski

Journal of Sedimentary Research (SEPM)

..., is the mean behavior of accommodation over time scales of ~ 100 ka (glacial-interglacial cycles). Picks of paleoshoreline positions in model results used...

Sequence Analysis and Sedimentology of the Gobernador Formation, Barinas Basin, Venezuela

Celia Bejarano

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... in thickness from 30 m to 300 m. Interval G4 to Datum marker Flattening on marker G3 trough marker Datum (Figure 9) shows that much of the relief during time...

Abstract: Applying the Concept of Grade to Basin-Scale Stacking Patterns and Stratigraphic Architecture Along the Shelf to Basin Profile: From Outcrop Perspective, by David R. Pyles, James P. Syvitski, and Roger Slatt; #90078 (2008)

Search and Discovery.com

Do Moment Tensors Flip During Hydraulic Completions?

Adam Baig, Sepideh Karimi, Benjamin Witten, Aaron Booterbaugh

Unconventional Resources Technology Conference (URTEC)

... 3723440 2 not represent a complete overturning of it. With that (we think modest) caveat, we resolve stress fields nuanced in space and time during...

Cross-Well Seismology: A New Production Tool

B. N. P. Paulsson, R. T. Langan

Indonesian Petroleum Association

... wells. The time it takes for the energy to travel between the wells is used to construct mathematically a velocity model for the region between...

Glauconite Sandstone Exploration: A Case Study from the Lake Newell Project, Southern Alberta

E. J. Kevin Broger, Garth E. Syhlonyk, Brian A. Zaitlin

CSPG Special Publications

... 90% of the stacking velocity, [C] migration applied using 100% of the stacking velocity, [D] migration applied using 110% of the stacking velocity...

Use of Apple II in Mapping Geology of Coastal Plain of NPR Alaska: ABSTRACT

Thomas G. Payne

AAPG Bulletin

...-driven system in BASIC for computing and plotting (1) time, depth, and average velocity to geologic horizons; (2) interval time, thickness...

Optimized downward continuation for the one-way wave equation in TTI media

Cosmin Macesanu, Faqi Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the phases are proportional to the velocity φ ∼ v, therefore standard linear weighting a = a0 = (v2 − v)/(v2 − v1 ) is a natural choice...

Mobile Shale in the Niger Delta: Characteristics, Structure, and Evolution

Richard W. Wiener, Michael G. Mann, Michael Terry Angelich, Joseph B. Molyneux

AAPG Special Volumes

... seismic data using GeoDepth (Paradigm). Stacking velocities were picked and calibrated to well velocities. A 3-D velocity model was built from...

Mapping Stratigraphic Traps with Seislog

Roy O. Lindseth

Indonesian Petroleum Association

..., this can be converted to solve for velocity from the series of reflection coefficients: The effect of the application of the above formula...

Transition–Zone Seismic Surveys in Southeast Asia

R. E. Sheriff, Palmer L. Greene, Harold Reaves

Indonesian Petroleum Association

... be stacked properly so that the filtering effect of stacking is minimized. The result is to preserve higher frequencies and improve resolution (fig. 12...

Evidence of Holocene and Historical Changes of Sea Level in the Langkawi Islands

H. D. Tjia

Geological Society of Malaysia (GSM)

... current position several hundred years ago. In presumably historical time some parts of the island group were raised between 0.5 and one meter. One...

The importance of viscoelastic waveform inversion in VSP: Synthetic studies

Yu Chen, Shujaat Ali, Takashi Mizuno, Pierre Bettinelli, Jol Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... shift the direct arrival time along the depth (Figure 1), resulting in a velocity model slower than the true velocities. Compensation of attenuation...

Reverse-time migration of mobile marine vibrator data

Khalid Almuteri, Paul Sava, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

... introduce a unique set of processing and imaging challenges for ocean-bottom acquisition, such as the Doppler effect and the time-dependent source...

Test Analysis of a 2D Seismic Survey With Finer CMP Interval

Zhao Xuewu, Widya Putri Pratami, Xu Qingsen, Muchlis MYS, Guo Shanli

Indonesian Petroleum Association

... area is highly ups and downs with rapidly lateral changes in the low-velocity layers (LVL). Figure 3 presents photos of the ground and vegetation...

Prospectivity of volcanic basins: Trap delineation and acreage de-risking

Max Rohrman

AAPG Bulletin

... that the deeper sill was affected by advection (Peters et al., 1983; Planke et al., 2000). A further effect is observed on the velocity log, showing higher...

Fluid Flow

Gerard Middleton, John B. Southard

Special Publications of SEPM

... (i.e., the coefficient of variation of velocity is 5-10%). t si o w r«. Figure 3.9 Choice of an averaging time interval for turbulent velocity...

Porosity Mapping Using Seismic Interval Velocities, Natuna L–Structure

D. R. Eyles, J. A. May

Indonesian Petroleum Association

... available, since typically there are few strong events near the gas-water-contact to provide reliable seismic velocity picks. This presented...

The effects of seismic anisotropy on mining seismology

Andrew King

Petroleum Exploration Society of Australia (PESA)

... impact on the geotechnical interpretation. Figure 3. The effect on event location of using an isotropic (left) versus an anisotropic (right) velocity...

Shallow VSP for Near-Surface Structure and Statics, #41535 (2015).

Soo-Kyung Miong, Robert R. Stewart, Joe Wong

Search and Discovery.com

... Alberta. The processed hydrophone VSP data showed distinct first arrivals and credible reflections. The P-wave velocity model is obtained by travel time...

Enhancing Reservoir Imaging and Monitoring Using Crosswell Seismic

Sanjeev Dogra, Ajay Nalonnil, Bruce Marion

Indonesian Petroleum Association

... a velocity time lapse image (9 months from pre to post injection) overlain with the reflection seismic. The red colour indicates a 10% reduction in tomographic...

De-risking Appraisal Phase in the Recent Gas Discovery in Banggai-Sula Basin, Central Sulawesi: Application of AVO Analysis and Pre-stack Inversion in the Sub-ophiolite Reef Carbonate Play

Mufied Ahmad, Yudi Herdiana, Tika R. Pertiwi, Hendarsyah, Arie Naskawan

Indonesian Petroleum Association

... was quite challenging and complicated. The existing main seismic data exhibited some uncertainties due to the ophiolite effect on the surface...

Abstract: Migration Velocity Analysis of Incomplete Data Using LSPSM CIGs; #90174 (2014)

Abdolnaser Yousefzadeh, John C. Bancroft, and Gary F. Margrave

Search and Discovery.com

...ral times using a range of plausible velocities and creating many migration images. Then comparing best image focusing for each time, a migration...

Seismic Facies Study of 3D Seismic Data, Northern Louisiana, Wilcox Formation

Kaare Egedahl, Gary L. Kinsland, Dan Han

GCAGS Transactions

... travel time (TWT) data of an area of roughly 80 square mi, with a bin size of 110 ft. Methods and Procedures Wilcox Nomenclature and Subdivisions...

Velocity continuation with Fourier neural operators for accelerated uncertainty quantification

Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... image. This choice is analogous to the structure of the velocity continuation map T(minit ,mtarget ) (cf. Equation 3), except that we fix the initial...