Sparse Layer Inversion for Prestack Seismic Reservoir Characterization

Raisya Noor Pertiwi, Muhammad Alwi, Herlan Setiadi, Khairul Ummah

Indonesian Petroleum Association

... interval. The wavelets that are incorporated in the generation of SLI reflectivity are extracted only from seismic gathers. The well data is used...

Feasibility Study Methodology for Fracture Analysis Studies Using Seismic Azimuthal Amplitude Variation: Application in Southern Mexico

Alexis Ferrer Balas, Nahum Campos, Jesus Garcia Hernandez

GCAGS Transactions

... using Psencik and Martins (2001) approximations, assuming a multi-layered horizontally transverse isotropic (HTI) media. Two different wavelets...

A Reservoir Characterization Case Study Based on the Structural and Depositional Isochronous Framework; #41187 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Hai Xu

Search and Discovery.com

...) Key techniques of RPP work flow. Figure 9. (a) Shot energy QC after RPP; (b) Amplitude spectrum after RPP; (c) Shot gathers after RPP; (d) Wavelets...

Prediction of 3-D Facies and Petrophysical Models using Seismic Inversion and Advanced Statistical Data Analytics in Midland Basin Study Area

V. Pandey, T. Nekrasova, I. Tsybulkina, K. Clemons, D. Li, B. Six

Unconventional Resources Technology Conference (URTEC)

... then accurately in time-domain, then we extracted multi-well wavelets for each angle stack to compensate the amplitude and frequency variations URTeC...

Seismic Stratigraphic Interpretation for Thin Layers: Case Studies

Kuo-An Lin, Shi-Chi Fuh, Hsiung-Mao Chen

Geological Society of Malaysia (GSM)

... for constructing stratigraphic interpretation charts. A comput~r was used to locate the accurate coordinates of the peaks and the troughs of the seismic wavelets...

Seismic Inversion for Hydrocarbon Screening: Mahakam Case Study

Hilfan Khairy, Didiek B. Prabowo, Cepi Adam

Indonesian Petroleum Association

... tie to fit the respected wells time-depth, it was computed common wavelets to all seismic substacks. This process was followed by low frequency...

Maximising the Potential of Seismic Expressions by Surgical Geological Modelling and Spectral Decomposition

Lory Evano, Fabien Cubizolle

GEO ExPro Magazine

... is performed for the STFT and Morlet wavelets are used for the CWT and MP algorithms. The frequency-decomposed amplitudes are mapped into a red-green-blue viewer...

Cable Noise Analysis and Suppression in DAS-VSP Data, #42052 (2017).

Zhidong Cai, Yanhua Wang, Congwei Liu, Qinghong Zhang, Xiaoyin Xu,

Search and Discovery.com

... trace, wavelet extraction includes the following: finding the wavelet in each period, calculating these wavelets to normalize wavelets, and then stacking...

An Effective Thin Reservoir Prediction Method Which Combines Spectral Inversion and Wide-Band Ricker Wavelet Filtering

Search and Discovery.com

Abstract: Detecting Lateral Continuity of Taranaki Basin Reservoir Sand Based On Sequence Stratigraphy and Seismic Attribute Analysis; #90235 (2015)

Joseph Gnapragasan and Umar Hamzah

Search and Discovery.com

... continuity in this paper referring to lateral facies changes and its varying thickness. When seismic encounters thinner sediments, the wavelets used to tune...

Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)

A. EWAN CAMPBELL and JAN STAFLEU

AAPG Bulletin

... of reflectivity from vertical incidence and image-ray migration techniques. These time sections were convolved with 25 to 200-Hz Ricker wavelets to produce...

Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

Robert E. Sheriff

AAPG Special Volumes

... at successive 4-msec sample points: 10, 9, -8, -9, 0, 5, and 3. The wavelet reflected from the top of the sandstone will also have this shape, although diminished...

Broadband Seismic Technology and Beyond: Part I: The Drive for Better Bandwidth and Resolution

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

..., sharper temporal wavelets are obtained. Meanwhile, the right side of the figure shows three more temporal wavelets where the FMIN value is changed while...

Seismic Modelling to Support the Interpretation of Seismic Data, Northeast Jambi Block 'B', South Sumatra

J. A. Harwijanto

Indonesian Petroleum Association

... and minimum phase wavelets for a peak frequency of 35 Hertz. Seismic modelling of the sandstone interval In order to evaluate porefill and thickness variations...

A Coupled Petrophysical-Geophysical Model Demonstrates Velocity Dispersion in a Thin-bedded, Fluvial Reservoir; #40913 (2012)

Richard C. Odom

Search and Discovery.com

... require special consideration when targeting thin fluvial members. 3. Synthetic seismogram techniques, such as Weiner-Levinson wavelets, rely...

Abstract: Gas Detection by Spectral Decomposition Using Matching Pursuit, by Ahmed M. Almarzoug and Ferhan Ahmed; #90105 (2010)

Search and Discovery.com

ABSTRACT: Shaping the Wavelet, by Wang, Yuchun E.; Huo, Shoudong; #90141 (2012)

Search and Discovery.com

Abstract: From Elastic to Geomechanical Properties. Onshore Field Case Study, Saudi Arabia; #90319 (2018)

Sultan Al Otaibi, Ayman Suleiman

Search and Discovery.com

...-dependent wavelets are estimated at both single and multi-wells. The next step aims at compensating for the lack of low frequencies in the seismic data...

V. Contributions of GeoSeismic Modeling

Norman S. Neidell

AAPG Special Volumes

... the subsurface model with representative acoustic parameters. Figure 9 shows the seismic response with a sleeve exploder wavelet, which was extracted from...

Rock Physics Inversion: A Montney Case Study, #41295 (2014)

James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, Sean Johnson

Search and Discovery.com

... percent, and locally up to 9%. The Lower Montney was deposited in an offshore shelf environment and represents the down-dip equivalents of up-dip...

The Integration of Geophysical, Geological and Petrophysical Data: A Case Study in North West Java, Indonesia

M. Koswara, J. Negre, L. Hendrata

Southeast Asia Petroleum Exploration Society (SEAPEX)

..., Houston, Texas; SPWLA 27TH Annual Logging Symposium, June 9 - 13, 1986. 2. “Improved Reservoir Description Through The integration of Seismic, VSP...

Revealing a Shaly (Tight) Sand Reservoir's Distribution by Applying an Untapped Sub-Frequency Combination Method: A Case Study in the West Jambi II Block, South Sumatra Basin

Indra Luthfiana, C. Maya Resha Tuhar, Endi Erfanto, Randy Condronegoro, Hendra Niko Saputra, Abghia Dini Fanzuri, Yan Wijaya, Totok Parafianto

Indonesian Petroleum Association

... values between reservoirs and non reservoirs (Figures 7, 8, 9, 10) the mother wavelet, we can see very low frequency components at large s while very...

Application of high-resolution reflection seismology to eastern Kansas cyclothems

Ralph W. Knapp

Kansas Geological Society

..., mathematically we can derive wavelets that taper in both time directions, to positive infinity and to negative infinity. The zero-phase wavelet...

Using New Techniques to Extract Stratigraphic Information from Seismic Data in Tight Gas Reservoirs

Heidy Correa, Fa Dwan, David Potter

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... be described with a series of wavelets with given frequency and amplitude characteristics. In a given time, spectral decomposition is performed...

New Approach: Using Relative Inversion with Spectral Decomposition to Distinguish Thin Layers in the 33-Series Sand Reservoirs of the Widuri Field, Southeast Sumatra, Indonesia

Ratih Muliani, Reza Widiatmo, Heri Gunawan, Pranowo Nugroho, Hairunnisa, Awal Mandong, Rino Saputra

Indonesian Petroleum Association

... Decomposition The recorded seismic trace can be considered as a composition of several wavelets with a different peak frequency. For each...