Abstract: Optimising Reservoir Characterisation Through Seismic Data Conditioning: A Case Study of Block22/NCMA4, Trinidad; #90238 (2015)

Dale Baptiste, Russ Creath, and Vishal Nagassar

Search and Discovery.com

... to a 50Hz dominant frequency wavelet. The AVO products are now calibrated to well data and conform to observations in the real seismic data. The result...

Abstract: Thin-layer Reservoir Prediction Method of Rifted Basin Based on Low-Resolution Seismic Data; #90307 (2017)

Ke Weili, Zhang Guangya, Zheng Yonglin, Liu Aixiang, Yu Yongjun, Huang Tongfei

Search and Discovery.com

..., the spectrum subdivision using wavelet transform, was carried out on the pure wave seismic data and then generated separate data with effective high...

Impedance Inversion May Help Characterize Reservoir, by Satinder Chopra and Ritesh Kumar Sharma; #41099 (2012).

Search and Discovery.com

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

... show synthetic seismic profiles with 60Hz, 35Hz and 20Hz ricker wavelet being convolved respectively. It is impossible for us to distinguish the sand...

The Eastern Paratethys During the Messinian Salinity Crisis; #51651 (2020)

Yuliana Rostovtseva, Alena Rybkina

Search and Discovery.com

... programme (Hammer et al., 2001) was used for spectral analysis (Lomb-Scargle periodograms), including REDFIT (Schulz and Mudelsee, 2002) and wavelet...

Fluid Identification in Complex Carbonate Reservoir: An Example from Mexico’s Poza Rica Field

Search and Discovery.com

Seismic Profile Through Patrick Draw-Table Rock Area, East Flank Rock Springs Uplift, Wyoming

Robert T. Ryder, Myung W. Lee, Warren F. Agena, Robert C. Anderson

Wyoming Geological Association

... pinchout edge between wells 3 and 4. An 8- to 70-Hz symmetrical band-pass filter simulated the source wavelet. The 8- to 70-Hz seismic model of Anderson...

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

... this a Relative Elastic Inversion (REI). This is an alternative to AVO for exploration, with the important advantages that the seismic wavelet has been...

Remote Sensing Underground

Dragana Todorovic-Marinic

GEO ExPro Magazine

... frequency of the seismic wavelet. Spectral Decomposition exposes a signal-band view of the subsurface that reveals stratigraphic and/or structural...

Reservoir Characterization for Gas Production and CO2 Sequestration

Adriana Gordon, Raul Cova, Evan Mutual, Bill Goodway, Scott Leaney, Wendell Pardasie, Matt Ng

Unconventional Resources Technology Conference (URTEC)

... was also performed to correct for geological transmission shadowing. Wavelet extraction was performed using the Blackman-Tukey (B-T) (Walden, 1998) method...

The UK West Central Graben: A Broadband Seismic Perspective

Gregor Duval, CGG

GEO ExPro Magazine

... are twofold. First, the introduction of lower frequencies into the signal reduces the side-lobes of the zero-phased wavelet which interferes...

South Falkland Basin: Darwinian Evolution

Bruce Farrer, Chris Rudling

GEO ExPro Magazine

... the overburden affects in multiple prediction. An early focus resulting in an improved dataset for the on low frequency preservation and interpreter. wavelet...

Genesis and regularity of bright spots in Guantao Formation and its significance for oil and gas indication

Jinhui Zhang, Zhijun Zhang, Hongtao Shen, Hongbo Ding

International Meeting for Applied Geoscience and Energy (IMAGE)

... is set as 2.3g/cm3, and the velocity of sandstone is set as 2450m/s, and the density is 2.17g/cm3. Forward modeling adopts 30HZ Rick wavelet...

South Halfway 3D: An example of a challenging onshore acquisition and subsequent processing and a unique way of performing a prestack elastic inversion on a difficult dataset

Marianne Rauch, Doug Brost, Hassan Odhwani, Aravind Nangarla, Adriana Gordon

International Meeting for Applied Geoscience and Energy (IMAGE)

... the solid ground and boggy area, 2 individual inversions were performed. One using a higher frequency wavelet and one a lower Although the seismic...

Try Before You Buy!

Lars Zühlsdorff, Trond Haugland

GEO ExPro Magazine

... 25 GEO Physics Comparison between 1D convolution and 3D convolution as based on the same wavelet and reflectivity grid. 3D convolution takes both...

Deep learning based wavefield separation method for VSP data

Gang Feng, Qin Su, Zhe Yang, Wei Yang, Jian-Hua Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... parameters are shown in Table 1. Table 1 forward parameters Type parameters Wavelet Domain frequency Maximum record time Time sample rate Ricker...

Direct exact nonlinear resolution enhanced inversion for fluid modulus and porosity

Xiao Chen, Zhaoyun Zong, Yu Chen, Yushen Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismic wavelet propagation and are not impacted by dispersion attenuation, resulting in low inversion resolution. As a result, we establish...

Deep water OBN multiple prediction from local reflectivity in the Stolt domain

Cesar Ricardez

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the wavelet, however, all free surface multiples are predicted. Given their complementary attributes, MWD and SRME are often both employed to predict...

The Jason Geoscience Workbench: "Teamware" for Finding Oil & Gas - The Smart Way

Paul D. Vrolijk

Petroleum Exploration Society of Australia (PESA)

... methods for 44 PESA News February/March 1997 single well/single wavelet estimation and multi well/ multi wavelet estimation . Deviated wells...

Meta-Attributes: A New Concept for Reservoir Characterization and Seismic Anomaly Detection

Fred Aminzadeh

GCAGS Transactions

... attributes are derived from the original seismic wavelet response, the original wavelet should include all the information Figure 1. Evolution...

Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 4: 3-D Seismic Interpretation of an Upper Permian Gas Field in Northwest Germany

H. E. C. Swanenberg, F. X. Fuehrer

AAPG Special Volumes

... of composite wavelet characteristics, because changes in the reflection shape cannot usually be attributed to variations of a single parameter...

Estimating Porosity from Determinsitic Inversion (Paper C6)

M. Sams, T. J. Focht, J. Ting

Geological Society of Malaysia (GSM)

... the likely success and limitations. Using a wavelet derived from a near angle stack of the real seismic data, we generate through convolution a synthetic...

Enhanced Resolution Seismic and New Subsurface Insights: Miocene Section, St. Mary Parish, Louisiana

V. Egorov, C. I. Puryear, R. Tharimela, J. Jurasin

GCAGS Transactions

... that pre-existing noise, wavelet estimation, and processing errors permit. To remove frequencies beyond the reliability threshold, the spectrally...

Ekofisk: First of the Giant Oil Fields of Western Europe: REPLY

Owen D. Thomas , L. K. S. Popham

AAPG Bulletin

... variations in wavelet character, frequency, amplitude, phase, and interval velocity have lithologic and stratigraphic significance. The key to interpreting...

Abstract: Using A 3D PSDM Simulator to Facilitate Overburden and Survey Consistent Modelling of the 4D Seismic Response of the Norne Field; #90171 (2013)

A. Drottning and M. Branston

Search and Discovery.com

... combines a detailed reflectivity model of the target with an overburden-survey-wavelet filter (SimPLI filter) in the wavenumber domain, providing a direct...