Abstracts: Revisiting Homomorphic Wavelet Estimation and Phase Unwrapping; #90173 (2015)

Roberto H. Herrera and Mirko van der Baan

Search and Discovery.com

... the phase and the amplitude spectrum in a linear fashion. Unfortunately all surface-consistent deconvolutions make a minimum-phase assumption which...

Uncertainty Management: A Structured Approach Towards Recognizing, Quantifying and Managing Sampling Biases in Subsurface Unknowns

Laurent Alessio, Arnout Everts, Faeez Rahmat

Indonesian Petroleum Association

... with a comprehensive upfront assessment of uncertainties’ impact on historical and future well and field performance. However, often major factors...

Cyclostratigraphy and Chronology of the Albian Stage (Piobbico Core, Italy)

Alessandro Grippo, Alfred G. Fischer, Linda A. Hinnov, Timothy D. Herbert, Isabella Premoli Silva

Special Publications of SEPM

... the high productivity in the perihelial summer phase (Rossignol-Strick, 1985). ALBIAN CYCLOSTRATIGRAPHY 71 FIG. 12.—Amplitude modulations...

Oil Prospects of the Wendian Sediments of the Perm Pri-Kama Area

A. V. Kutukov, S. A. Vinnikovskiy, K. S. Shershnev

Petroleum Geology: A Digest of Russian Literature

.... Dips are 1-7°, and amplitude is 30-100 m. The Wendian sediments here are continental, near-shore marine, and normal marine shallow-water facies...

ABSTRACT: Back to Basics on Broadband Seismic Amplitudes, Phase and Resolution

Andrew Long

Petroleum Exploration Society of Australia (PESA)

..., the observed seismic amplitude spectra on pre-stack data vary with increasing offset and the phase can strongly vary in a frequency-dependent manner...

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

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...

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...

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

TecVA_DetFF (Amplitude Volumes Technique for Fault and Fracture Detection); #91215 (2026)

E. M. Bulhões

Search and Discovery.com

...TecVA_DetFF (Amplitude Volumes Technique for Fault and Fracture Detection); #91215 (2026) E. M. Bulhões TecVA_DetFF (Amplitude Volumes Technique...

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...