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Showing 2,356 Results. Searched 195,387 documents.
Hydrocarbon Expression on Low-Impedance AVO: A Phenomenon of Amplitude Reversal
W. Waluyo
Indonesian Petroleum Association
... and Class 3. The classification is based on two parameters - P (intercept amplitude) and - G (amplitude gradient). Sandstones in Class 1 have a high...
2002
The Success Application of Weight Stack AVO Attribute for Channel Feature Imaging in Horst Trend Area, Arthit Field, Thailand
Search and Discovery.com
N/A
Fluid Substitution as an AVO Calibration for Quantifying Uncertainty of Gas Presence in Late Miocene Binio Sandstone, Kampar Area, Central Sumatra Basin
Istiqlal Dalimunthe, Pamela Amelia Barus, Jhon Johannes Wood, Febrie Ekaninggarani
Indonesian Petroleum Association
... intercept versus gradient at both upper and lower zones reveals there are no AVO class III anomalies. Figure 15 - The fluid substitution result...
2008
Abstract: Seismic Attributes for Regional Reconnaissance: Deep Gas Interval, Gulf of Mexico Shelf: Abstract
H. Truman Holcombe
GCAGS Transactions
... be direct indicators of reservoir sands with hydrocarbon. Changes in AVO intercept along such a reservoir horizon may indicate changes in pore fluid...
2005
Sparse Layer Inversion for Prestack Seismic Reservoir Characterization
Raisya Noor Pertiwi, Muhammad Alwi, Herlan Setiadi, Khairul Ummah
Indonesian Petroleum Association
... reflectivity. In order to test this idea, we examine the AVO/AVA, intercept and gradient value around the well along the top and bottom of main target...
2016
Seismic AVO Anisotropy VTI Modeling and Mechanical Properties of Kerogen in Gas Shale
Search and Discovery.com
N/A
AVO Response for Gas Sands of the Monserrate Formation, Upper Magdalena Valley of Colombia
C.J. Dueñas, M. G. de Freitas, A. Mantilla
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... gradient. A useful way to interpret AVO attributes is to make cross-plots of intercept (A) versus gradient (B). These plots are an intuitive way...
2006
Cape Ford-I: A Case History of True Amplitude Processing for Inversion to Acoustic Impedance and Porosity Prediction
M. Rauch-Davies, P. Woods
Petroleum Exploration Society of Australia (PESA)
... by the seismic wiggle trace. Product stack= intercept *gradient. 26 PESAjournol No.29 2002 The two AVO displays exhibit a very similar behaviour at both well...
2002
Prospect Identification Using AVO Fluid Prediction, Relative and Field-Based Elastic Inversion in Sarawak, Malaysia
Muhammad Fauzi, Rusdinadar Sigit, Reza Lasman, Nobert Van De Coevering
Indonesian Petroleum Association
... derived AVO product stack (intercept multiplied by gradient) along an inline at well D in Figure 3, it is obvious that at least one AVO anomaly...
2007
3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs
Antonio C.B. Ramos, T.L. Davis
Rocky Mountain Association of Geologists
... to distort the AVO estimates of gradient and intercept. A robust linear regression to obtain gradient and intercept AVO measurements, based o n...
1997
Abstract: Amplitude Variation with Offset and Sandstone Reservoir Characterization, Shallow Offshore Niger Delta; #90255 (2017)
Olawale Allo, Elijah Ayolabi
Search and Discovery.com
... and conceptual illustrations of the log and seismic based Lambda-Mu-Rho showing the changes in gradient and intercept in the plots of Lambda-Rho versus Mu-Rho...
2017
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
...) which gradually decreases with offset (negative gradient) and reversed to negative intercept in the far offset suggest AVO class IIp. Several spots...
2021
Abstract: *Do Digital Sensors Preserve Amplitude Better? Case Studies, by Denis Mougenot and Lv Shuying, #90188 (2014)
Search and Discovery.com
2014
P-S Converted Wave AVO Analysis for Reservoir Characterization
Ehsan Sadeghi, Cepi Adam, Effendy Siawira, Hilfan Khairy
Indonesian Petroleum Association
... of incidence: Sin2(ɵ). This is well presented by Shuey equation (1985) as Rpp(ɵ) = R0 + G . Sin2 (ɵ). The crossplots of Intercept (R0) and Gradient (G...
2017
Integrated Seismic Attributes and AVO Analysis in the Faults and Hydrocarbon Leakage Extraction
Ragil Destriawan Prasetyo, Dicky Harishidayat
Indonesian Petroleum Association
... interpretation of the faults is illustrated in Figure 3. Further analysis is conducted for AVO intercept and gradient attribute. The result is shown...
2019
Implementation of an Exploration Workflow to Characterize a Low Poro-Perm Gas-Bearing Prospect Using Rock Physics Depth-Trends to Assist AVO Classification; #42348 (2019)
Jorge Adrian, Gervasio Robles
Search and Discovery.com
... of Intercept versus Shale over Gas sand Gas sand over shale Tight sand over Gas sand Shale over Wet sand Wet sand over shale Gradient(B) Gradient...
2019
Abstract: Derived Seismic Attributes Underpin Reservoir Characterization in Data-Driven Methodologies; #90255 (2017)
Keith Holdaway
Search and Discovery.com
... that are generated using a reflection's pre-stack amplitudes. Examples of pre-stack attributes are AVO gradient, AVO intercept, near amplitude and far...
2017
Abstracts: Time-Lapse VSP Data Analysis from Weyburn CO2 Project; #90173 (2015)
Amin Baharvand Ahmadi, Igor Morozov
Search and Discovery.com
... VSP data We used the two-term approximation to calculate the AVO intercept (Rp) and gradient (G) (Aki and Richards, 1980): R R p GSin 2 , (1...
2015
Abstract: Determination of AVO Attributes for Acoustic Impedance Zones of Malay Basin: Fluid Factors (Geophysics Poster 22)
Uzir Alimat, T. L Goh, Shaidin Arshad, M. Izzuljad Ahmad Fuad
Geological Society of Malaysia (GSM)
..., 1994). The respective values of A and B were the intercept and the gradient attribute of reflection amplitude versus sin2θ plot. The A and B values can...
2011
De-Risking Exploration Well in A Mature Basin, Jabung Block, South Sumatra Basin: Application of Avo Analysis in A Sub-Unconformity Play
Lucky Kriski Muhtar, Mawar Indah Nursina, Iman Suripto Suyatno, Henri Heru Prasetijo, Hendra Niko Saputra
Indonesian Petroleum Association
... attribute gives reservoir geometry. This study finds that Pre-TAF play reservoir is categorized AVO class 2 with negative value in both intercept and gradient...
2022
Azimuthal AVO Gradient Anisotropic Analysis on Prediction of Fractures on Barnett Shale
Shiguang Guo, Bo Zhang, Tengfei Lin, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
...Azimuthal AVO Gradient Anisotropic Analysis on Prediction of Fractures on Barnett Shale Shiguang Guo, Bo Zhang, Tengfei Lin, Kurt J. Marfurt URTeC...
2013
Abstract: Combining Inversion to Acoustic Impedance and AVO to Predict Fluid and Porosity, by Marianne Rauch and Phil Woods; #90914(2000)
Search and Discovery.com
2000
An Example of 3-D AVO for Lithology Discrimination in Widuri Field, Asri Basin, Indonesia
Steven W. Smith, Larry Danahey, Romina Himawan, William E. Harmony, H. Lee Gilmore, John W. Armon, Tony L. Bowman, Wayne Smith
Indonesian Petroleum Association
... decreasing AVO while sand has flat AVO response (no change in amplitude with offset). AVO attributes P and G or intercept and gradient inverted from 3-D...
1995
Abstract: Seismic Attributes for Regional Reconnaissance: Deep Gas Interval, Gulf of Mexico Shelf
Search and Discovery.com
N/A
Seismic Qualitative and Quantitative Analysis for Reservoir Characterization of Globigerina BH Gas Field, North East Java Basin.
Indra Sumantri, Okky Yuditya Pahlevi, Hendra Himawan, Vickry Rowi, Kian Han
Indonesian Petroleum Association
... Seismic AVO Analysis Seismic AVO analysis both intercept gradient and its attributes help the research to define which AVO classification that seismic...
2021