Application of fine characterization of carbonate shallow-water shelf biogenic point reef structure in Permian strata of Hechuan area, Sichuan Basin

Tian Mingfeng, Yu Zhilong, Ju Linbo, Jiang Caijun, Qin Suhua, Chaixbing, Fu Dehua, Cao Laisheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... imaging. The resonance filtering method is used to predict the hydrocarbon potential of reef bodies in the high and low sensitive frequency bands...

Predicting and Detecting Carbonate Cemented Zones Within Latrobe Group Reservoirs of the Gippsland Basin

Mark Bunch

Petroleum Exploration Society of Australia (PESA)

... with the same magnitude and phase (arithmetic averages of components of the original complex trace passed after frequency filtering). These subtle phase...

Characterizing Multiple Formations for Gas Production and CO2 Sequestration

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

Unconventional Resources Technology Conference (URTEC)

... into angle stacks ranging from 0-52°. Bandpass filtering is applied to remove low and high frequency noise and amplitude balancing is applied to correct...

Sequence Stratigraphy Applied to Log Interpretation: Improving Methodology by Means of Signal Processing Techniques and Outcrop Calibration; #90017 (2003)

P. J. Y. M. Rabiller, F. Robail, E. Remacha, L. Richard, F.-J. Sancho-Jaquel, F.Climent, L. P. Fernandez

Search and Discovery.com

... between logs and signal, indexed with depth or time respectively, we will use here the term "frequency" although the term of "wave number" is more...

Abstract: Estimation of Q: a Comparison of Different Computational Methods; #90187 (2014)

Peng Cheng and Gary F. Margrave

Search and Discovery.com

... to the calculated spectral ratios over a chosen frequency band. The spectrum modeling method compares the amplitude spectra of the local wavelets directly...

Seismic Exploration of the Val Verde Basin

Lorenz Shock

West Texas Geological Society

... if a large pattern of seismometers is used. Also, if a pattern of shots is fired in the fill material the character and frequency of the initial energy...

An Integrated Approach to 3D Seismic Acquisition Feasibility Studies: Review of Present Techniques and Future Trends

Claude Bordenave, Frederic Merlet, Lotfi Ben Brahim, Nyoman Swatika

Indonesian Petroleum Association

.... The effect of frequency - wave number (FK) filtering is shown. The corresponding FK spectra help in comparing the results. Figure 6. Example of Radon de...

Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia

Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran

Indonesian Petroleum Association

... migration tails disrupt the signal at shallower depths. In order to remove these events before migration, both timedependent frequency filtering and inner...

Seismic simulations of experimental strata

Lincoln Pratson, Wences Gouveia

AAPG Bulletin

... is the filtering effect of the seismic source on the strata. This was discussed previously in terms of the frequency content of the synthetic seismic data...

Shallow Water Seismic Operations on the North West Shelf

T. J. Allen, D. Brown, J. Wardell

Petroleum Exploration Society of Australia (PESA)

... water depths and check for reefs. Some unique shallow-water data processing problems were encountered. In many areas, a very low velocity, low frequency...

Statistical Time-Series Analysis and Sedimentological Tuning of Bedding Rhythms in a Triassic Basinal Succession (Southern Alps, Italy)

Florian Maurer, Linda Hinnov, Wolfgang Schlager

Special Publications of SEPM

... frequency bands involves isolating them from the entire spectrum of frequencies by bandpass filtering. In its simplest form, the filtering is applied...

Near-Wellbore Fracture Diagnosis via Strain Decoupling from Integrated In-Well LF-DAS and DTS Data

Jiayi Song, Weibo Sui, Jiwen Li

Unconventional Resources Technology Conference (URTEC)

..., the sampling frequency was reduced to 2 Hz through down-sampling. Median filtering was then applied to suppress spike noise, followed by direct current...

The 'Geoseis' System: Seismic Prospecting with Detonating Cord - A Line Energy Source

D. W. Thompson

Petroleum Exploration Society of Australia (PESA)

... generation. Pulse Character A linear source such as detonating cord has a built-in directional frequency filtering effect not seen with point sources...

Understanding 3D and 4D inversion outputs from broadband seismic on a mature field

Mikhail Baturin, Moez El Amri, Luis Pernia-Soto

International Meeting for Applied Geoscience and Energy (IMAGE)

...). A strong low cut frequency filtering applied to the inversion input broadband seismic data at 64Hz showed the setting more precisely (Fig.7). Figure 7...

First Implementation of Hybrid Fiber Optic Cable in Indonesia - Carbon Reduction through Leading-Edge Technology

Marsha Sakina, Dinda Larasati Rahmani, Fajar Tri Prasetia, Cikko Majesta, Francesco Miranda

Indonesian Petroleum Association

... applying these processes, the optimum frequency of the data is identified to ensure that the filtering process removes only noise by attenuating...

S-transform based processing of noisy surface wave record for recovering high-resolution spectrum

Sayan Mukherjee, Mrinal Bhaumik, Tarun Naskar

International Meeting for Applied Geoscience and Energy (IMAGE)

... the available wavefield transformation methods, the most popular ones are time intercept-phase slowness (𝜏-𝑝) (McMechan and Yedlin, 1981), frequency...

Seismic Acquisition in the Sub-Andean Belt of Bolivia

Jair R. de S. Soares Filho, Roberto D. Chaves

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., field processed seismograms were analyzed in the shot domain (common shot gathers) after few steps that included frequency range filtering and spectral...

Advances in Seismic Acquisition in the Sabana de Bogotá, Colombia

Jair Rodrigues de Salles Scares Filho, Mario Geraldo de Freitas

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... substantial quality improvements relative to pre-existing data, with a broader frequency range enabling better vertical resolution, and also more continuity...

Advanced digital tools for passive seismic monitoring of a heavy oil field at Cold Lake, Alberta, Canada

Adarsh Kumar Gupta, Stefano Scaini, Ravi Singh, Simona Costin, Colin Brisco, Raj Janakkumar Bhutwala, Shelly Dutta, Monomita Chattopadhyay, Divyanshu Yadav, Taylor Fink

International Meeting for Applied Geoscience and Energy (IMAGE)

... into Frequency and Mel spectrograms for prediction. The SA-DEEP model also accounts for expert input by adjusting its classification sensitivity...

5-D Interpolation Compensates for Poor Sampling, by Daniel Trad; #41504 (2014).

Search and Discovery.com

Application of SVM machine learning high-resolution fusion inversion in stratigraphic correlation

Lyu Huaxing, Zhang Weiwei, Chen Zhaoming, Zhang Zhenbo, Liu Junyi, Xu Hao

International Meeting for Applied Geoscience and Energy (IMAGE)

... only acts as a weak constraint and the intermediate frequency part of inversion result does not come from seismic data. Band-limited wavelet used...

Multiple Aliasing Problems in Marine Data

P. Chia, C. O. Kuek, P. Ward, K. S. Lee

Geological Society of Malaysia (GSM)

... of the aliased noise with shot domain FK filtering was another possibility considered. In fact, the noise with a velocity of 1500 m/s will alias in the shot domain...

Chapter Nine: Inversion and Interpretation of Impedance Data

Rebecca B. Latimer

AAPG Special Volumes

... to check on log crossplots. Filtering the log data both on the low and high end of the frequency range allows for the determination that the sands...

An approach for three-dimensional quantitative carbonate reservoir characterization in the Pampo field, Campos Basin, offshore Brazil

Danilo Jotta Ariza Ferreira, and Wagner Moreira Lupinacci

AAPG Bulletin

..., A combined time-frequency filtering strategy for Q-factor compensation of poststack seismic data: Geophysics, v. 82, no. 1, p. V1–V6, doi...

Seismic speckle as multiplicative noise explaining land reflections distorted by near-surface scattering

Andrey Bakulin, Dmitry Neklyudov, Ilya Silvestrov

International Meeting for Applied Geoscience and Energy (IMAGE)

... such stacking, the absolute amplitude level experiences a substantial reduction across the entire frequency band, reaching -10-20 dB or more. Also...