Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

... This process involves automatically NMO and stacking shot gather from floating datum using a constant speed. In this process the scanning velocity...

Exaggeration of Medium

Search and Discovery.com

The plug drum effect, or why your microseismic events may not be where you think they are

Guillaume Bergery, Zhishuai Zhang, Jing Du, D. Diller, T. Shuck, B. Fish

Unconventional Resources Technology Conference (URTEC)

... were showing the same behavior. If this effect is not taken into account during the velocity model calibration, the resulting incorrect velocity...

MAZ Processing for Basement Fracture: A Case Study on 3D Conventional Land Seismic Dataset

Ahmad Zazeli Fuadi, Yatty Surtiati

Indonesian Petroleum Association

... is radius of Fresnel zone, to depth of the data, v velocity at to, and f frequency at to. For another concept that we use for optimum bin size...

Fault Interpretation Problems in the Southeast Barrow Sub-Basin

R. K. Whyte

Petroleum Exploration Society of Australia (PESA)

... of the effect. In some cases it has led to the perceived reservoir depth structure changing significantly as appraisal and development wells are drilled...

Evidence of Post-Pleistocene Faults on New Jersey Atlantic Outer Continental Shelf: GEOLOGIC NOTES

R. E. Sheridan , H. J. Knebel

AAPG Bulletin

... permit the extrapolation of the fault planes at depth. The fault planes appear to dip northwest. On two crossings northeast of profile A-B (Fig. 1...

The Geophysicist Communicating with Seismic Processing

R. E. Sheriff

Southeast Asia Petroleum Exploration Society (SEAPEX)

... indicate the semblance for various stacking velocity values as a function of arrival time. The graphs at the top show the output amplitude...

Abstract: Importance of Pre-Frack Site Surveys and Broadband Seismometers to Microseismic Monitoring; #90174 (2014)

N. Ackerley and N. Spriggs

Search and Discovery.com

... GeoConvention 2012, (Vision) May 14-18, 2012, Calgary, AB, Canada Figure 7: Effect of Depth on Site Noise at High Frequencies Reprinted from Young et. al...

West Muiron Discovery, WA-155-P - New Life for an Old Prospect

Lorraine Mitchelmore, Neville Smith

Petroleum Exploration Society of Australia (PESA)

... velocity anomalies in the overlying carbonate section complicate velocity picking on dip-oriented seismic data, consequently decreasing the signal...

ABSTRACT: Comparison of an Estimated Shear Wave Model with a Measured Shear Wave Log; #90108 (2010)

Felix Oghenekohwo and George Smith

Search and Discovery.com

... of logging can be fraught with errors that can lead to wrong interpretation. One of such data is the shear wave velocity which in most cases is collected...

ABSTRACT: Comparing of an Estimated Sonic Log with Measured Sonic Log; #90118 (2011)

Felix Oghenekohwo and George Smith

Search and Discovery.com

... of logging can be fraught with errors that can lead to wrong interpretation. One of such data is the shear wave velocity which in most cases...

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

Alan V. Jopling

Journal of Sedimentary Research (SEPM)

... that there are combinations of slope and fall velocity of the bed material for which the flow regime does not change with depth. The fact remains that the effect...

Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)

Faranak Mahmoudian and Gary F. Margrave

Search and Discovery.com

... to the interference with the top reflector reverberations which has a different dip than the target event, Figure 3(b) shows the wave interference effect...

The Growth History of Toe Thrusts of the Niger Delta and the Role of Pore Pressure

Scot W. Krueger, Neil T. Grant

AAPG Special Volumes

...-way time (TWT) dip cross section near the crest of the fold. (b) Depth-converted section based on panel a. (c) Time structure map showing the fold...

Simple Approximations for Estimating Quickly the Motion and Timing of Salt Diapir Rise, Overhang Development, and Associated Thermal Anomalies from Present Day Observations: Case Histories from the Gulf of Mexico and Danish North Sea

I. Lerche , R. O. Thomsen

GCAGS Transactions

... and Rock-Eval pyrolysis measurements with depth. SALT VELOCITY FROM TEMPERATURE AND THERMAL INDICATOR ANOMALIES: LULU-1, DANISH NORTH SEA The thermal...

The Meganos Gorge and the Geologic Effects Produced by Compaction of the Gorge Fill

William F. Edmondson

Pacific Section of AAPG

... Fill. These figures are based primarily on well depth measurements and have not been corrected for dip, which in most areas is not a significant...

Focal Mechanism Determination and Stress Inversion for Induced Seismicity Related to Shale Gas Hydraulic Fracturing

Yuyang Tan, Jun Hu, Zhengguang Zhao, Lei Li

Unconventional Resources Technology Conference (URTEC)

... is a regional 1D velocity model of southern Sichuan Basin adopted by Lei et al. (2017). A sensitivity test is conducted to investigate the effect of variations...

Using delta channel width to estimate paleodischarge in the rock record: geometric scaling and practical sampling criteria

Octria Adi Prasojo, Anna E. van Yperen, Trevor B. Hoey, Amanda Owen, Richard Williams

Journal of Sedimentary Research (SEPM)

... bankfull channel depth. Moreover, applying flow-velocity-based equations requires knowledge of the total number of distributary channels and their total...

Abstract: Automatic Time Picking and Velocity Determination on Full-Waveform Sonic Logs; #90171 (2013)

Lejia Han, Joe Wong, John C. Bancroft, and Robert R. Stewart

Search and Discovery.com

...Abstract: Automatic Time Picking and Velocity Determination on Full-Waveform Sonic Logs; #90171 (2013) Lejia Han, Joe Wong, John C. Bancroft...

Abstracts: Seismic Wave Propagation and Imaging in Heterogenous Media; #90173 (2015)

Yijian Meng, Emmanuel Bongajum, and Bernd Milkereit

Search and Discovery.com

..., ON, Canada Summary The main objective of the study is to investigate the effect of scale parameters and dip on wave propagation in inhomogeneous...

Gas Hydrates in Ocean Bottom Sediments

M. K. MacLeod

AAPG Bulletin

.... Three typical stacking velocity functions from gas hydrate areas used to convert depth to base of hydrate scale in Figures 5 and 8 to time. End_Page...

Full Waveform Inversion on Bekapai Field: A Game-Changer Technology for Our Seismic Imaging Workflows

Magali Beele, Clement Fleury, Claudio Strobbia, Muhammad-Thurisina Choliq, Jacques Bonnafe, Gilles Vallon

Indonesian Petroleum Association

... traces. CGG provides the initial velocity model obtained by merging the OBC fast-track pre-stack depth migration (PSDM) velocity model...

Abstract: Determining the Structure of Basalt Flows with Wide-Angle Seismic Data, by M. M. Fliedner, R. S. White, and J. Fruehn; #90923 (1999)

Search and Discovery.com

Using Multiazimuth Seismic Data for Anisotropy Estimation in an Unconventional Reservoir

Surabhi Mishra

Petroleum Exploration Society of Australia (PESA)

... in the overburden layers, then the azimuthal variation in the stacking velocity and the amplitude will have the overburden anisotropy interference. In order...

The Role of Seismic in Play Type and Prospect Development: Eastern Canning Basin

Ted Jacobson

Petroleum Exploration Society of Australia (PESA)

... to noise ratio of the seismic data, but averages out lateral velocity changes in the near-surface. The smoothing effect on weathering velocities reduces...