Ground Roll Polarization Filtering with Spatial Smoothness Constraints

Search and Discovery.com

... s(t ) energy as well as surface waves g(t ) and ambient noise n(t ) . Each phase has their proper amplitude and polarization behavior so that we get: d...

Abstract: Technology Application in Prospect Evaluation, Offshore Sabah (Paper 10)

J. Voon, W. Pool, N. Casson, K. B. Lim, J. Ting, E. Telatovich, G. Bloch

Geological Society of Malaysia (GSM)

... in SBl. One of the most critical factors in risk reduction is the application of integrated geophysical and geological techniques of Direct Hydrocarbon...

Seismic Stratigraphy of Early Pennsylvanian Morrowan Sandstones, Minneola Complex, Ford and Clark Counties, Kansas: DISCUSSION

Gary Grubitz

AAPG Bulletin

..., questions about processing (especially relative amplitude and deconvolution) and phase comparison to a standard must be discussed. End_Page 935...

Using 3-D Seismic Data to Find New Reserves in Quitman Field Wood County, Texas

Thomas R. Wittick

GCAGS Transactions

... of permitting and data acquisition for each of the iterations of the design phase. The initial design of the survey was for an area End_Page 239...

3-D Seismic Investigation of the D Sand Play, Hydrocarbon Saturated Window, D-J Basin, Colorado

Dean R. Gackle, Robert C. Flook, Stewart G. Squires

Rocky Mountain Association of Geologists

... or decreased amplitude anomalies. These, in turn, can be mistaken as sand indicators. Core analysis has demonstrated that the D2 valley-fill sands...

Abstracts: Bright Spots, Dim Spots: Geologic Controls of RockPproperties and AvO Response in the Niger Delta Basin; #90210 (2015)

Krzysztof M. (Chris) Wojcik

Search and Discovery.com

... controlling factors that impact seismic response and cause rapid transition from bright spots to dim spots, and the transition from amplitude to AvO...

Abstract: Advances in Water Cut Metering with Low Field NMR; #90213 (2015)

Minghua Ding and Dave Lastockin

Search and Discovery.com

... is to build a three-phase water cut meter laboratory device using low field NMR. If successful it will then be applied in an oil field. Preliminary...

Seismic Exploration for Fractured Lower Dakota Alluvial Gas Sands, San Juan Basin, New Mexico, by Reeves, James J. and W. Hoxie Smith; #90030(2004)

Search and Discovery.com

Understanding Lithologic Significance of Amplitude Envelope and Acoustic Impedance within Oligocene and Miocene Strata, South Texas Gulf Coast; #40577 (2010)

Osareni Ogiesoba, Ursula Hammes

Search and Discovery.com

...(t)    =    1/t   *    f(t), where * denotes convolution.   (2) Amplitude envelope is always positive and does not depend on phase. It is used for fault...

Abstract: Estimation of Group Velocity using Slant Stack Generalized S Transform Based Method; #90174 (2014)

Roohollah Askari, Robert J. Ferguson, and Kristof DeMeersman

Search and Discovery.com

...). The method is a based on the inversion of a surface wave dispersion curve (either phase or group velocity curves) calculated from a real data to a vertical...

SoundBal: Two-Phase Production Logging by Integrating Mass Balance and DAS-Based Speed of Sound

Peyman Moradi

Unconventional Resources Technology Conference (URTEC)

... analysis in the time domain, while GPC, as a noise-resilient time-domain approach, prioritizes phase over amplitude, replacing traditional time...

ABSTRACT: Application of Spectral Decomposition and Seismic Attributes to Understand the Structure and Distribution of Sand Reservoirs within Tertiary Rift Basins of Gulf of Thailand, by Ahmad, Mirza N.; Rowell, Philip ; #90142 (2012)

Search and Discovery.com

Abstract: Just a Bright Spot?, by R. M. Masuda; #91012 (1992).

Search and Discovery.com

Growth and demise of a Paleocene isolated carbonate platform, northwest Sirte Basin, Libya: Sequence stratigraphic architecture and controlling factors

Muneer Abdalla, Wan Yang, and Salah Shaniba

AAPG Bulletin

... factors Muneer Abdalla, Wan Yang, and Salah Shaniba 2023 1723 1752 107 10 Isolated carbonate platforms are important for their significant explorational...

Detection threshold of a shallow CO2 plume with VSP data from the CaMI Field Research Station

Brendan J. Kolkman-Quinn, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

.... A time-lapse compliant processing workflow was developed to detect the subtle amplitude effects of a small amount of CO2. The 10 Hz – 150 Hz field data...

Hydrocarbon plumbing systems of salt minibasins offshore Angola revealed by three-dimensional seismic analysis

Katrine J. Andresen, Mads Huuse, Niels H. Schodt, Lene F. Clausen, Lars Seidler

AAPG Bulletin

... paleopockmarks and Miocene pockmark fields. Other fluid-flow features include high-amplitude cylindrical pipe structures 60 to 300 m (197984 ft) wide...

Data Enhancement from a 486-Channel Streamer

Bill Dragoset, Ken Larner

Pacific Section of AAPG

... in Figure 15. The process, which preserves the phase of the input data, has flattened the amplitude spectrum, revealing a remarkable degree...

Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary

Bruce Hart

PTTC

..., amplitude, phase, frequency and bandwidth. A series of slides were used to show how P waves reflect from different structural and stratigraphic...

A Case Study on the Challenges Overcome in the Merge of Seven On-Shore 3-D Surveys of Varying Acquisitions in Huila Department, Colombia

Henry Maldonado, Timothy Brooks, Lilia Maria Saavedra, Gilbert Gutierez, Albeiro Saavedra, Peter Watterson

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

.... Merging surveys must account for potential differences in acquisition parameters that manifest themselves in differences in phase and amplitude between...

Abstract: The Effects of Fluid Viscosity on Seismic Response: A Model Study; #90171 (2013)

Fereidoon Vasheghani, Larry Lines, and Joan Embleton

Search and Discovery.com

... it possible to monitor the changes in the reservoir through changes in seismic attributes such as velocity, amplitude or phase. There are several factors...

Abstracts: Tuning Effects in P-wave Reflections from a CO2 Injected Saline Aquifer: A Preliminary Appraisal; #90173 (2015)

Bernard Giroux, Maxime Claprood, and Lorenzo Perozzi

Search and Discovery.com

... on the amplitude of a P-wave reflected at a CO2 saturated reservoir, and might even invert the sign of a time-lapse anomaly Introduction In a carbon...

Gas Reservoir Delineation of Pantai Pakam Timur Field, North Sumatra, Indonesia

D. Tangkalalo, M. Farid Ma'ruf, Ambar Sudiono, Widjiono

Indonesian Petroleum Association

.... The objective is a sandstone unit in the lower Keutapang Formation corresponding to a seismic amplitude anomaly "brightspot" at 1300 msec. The study utilized...

Element migration in turbidite systems: Random or systematic depositional processes?

Richard Labourdette, Martine Bez

AAPG Bulletin

... of sinuous channel avulsion patterns in some major deep-sea fans and factors controlling them: Marine and Petroleum Geology, v. 24, p. 450469, doi:10.1016/j...

Quantitative analysis of DAS recorded P-wave generated by perforation shots

Peiyao Li, Ge Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

.... We compare the spatial phase velocity variation with gammaray well log record and surface seismic volume amplitude, which all show a similar anomaly...

Interferometry Application to Interpolate Missing 2D Seismic Data in Shot Gathers

Lily Suherlina, M.Yusup Nur Khakim, Hilman Mardiyan, Roy Baroes

Indonesian Petroleum Association

... examples being VSP–SWP for stationery phase analysis, SSP-SSP for interpolation missing traces and prediction of surface waves, and VSPVSP for interpolation...