POCS Method for Seismic Data Reconstruction of Irregularly Sampled Data

Elwyn J. Galloway

Search and Discovery.com

... a certain amplitude from the Fourier amplitude spectrum. Early iterations interpolate only the strongest events while later iterations consider...

POCS Method for Seismic Data Reconstruction of Irregularly Sampled Data

Elwyn J. Galloway

Search and Discovery.com

... a certain amplitude from the Fourier amplitude spectrum. Early iterations interpolate only the strongest events while later iterations consider...

Abstract: Reflection Full Traveltime Inversion in the Image Domain; #90319 (2018)

Yue Ma, Tong W. Fei, Yan Wu, Yi Luo

Search and Discovery.com

... are involuntarily and unconsciously hijacked by amplitude information. FTI explicitly extracts the traveltimerelated component from the original gradient, thus...

An integrated workflow centered around elastic FWI for complex subsalt imaging using wide-azimuth data in the southern Gulf of Mexico

Hongyan Li, Riaz Alai, Nolan Brand, Frederico Xavier de Melo, Hugo Enrique Muñoz Cuenca, Wenmiao Liu, Iestyn Williams, Saeeda Hydal, Khaled Abdelaziz, Emmi Sanchez Vargas, Nik Nur Halim C Soh, M Shah B Sulaiman, Sandeep Kumar

International Meeting for Applied Geoscience and Energy (IMAGE)

... at shallow, medium, and deep depths with associated variable geometries. The salt geometry is extremely complex with varying salt velocities due to salt...

"Limits of Accuracy of Present Sonic Logging Equipment"

F. P. Kokesh

Oklahoma City Geological Society

... receivers is considered. It is very difficult to say how much error will be introduced. At the extreme, cycle-skipping occurs. TIME-TO-AMPLITUDE...

Use of Scintillation Apparatus for Exploration of Oil and Gas Pools

A. P. Grumbkov, V. V. Matveev, G. S. Semenov, A. D. Sokolov

Petroleum Geology: A Digest of Russian Literature

... with an oxazolilbenzine (POPOP) additive at a concentration of 0.03 g/1 is used as a catalyst. The control panel consists of a two channel threshold amplitude...

Ireland: South Porcupine Basin

Tony Pedley, Gerrard Spear, Keith Byrne, Polarcus, Lyme Bay Consulting, Providence Resources

GEO ExPro Magazine

... permeability due to diagenesis of the clastic source, derived from erosion of Carboniferous hinterland. Geological Overview The South Porcupine Basin...

Application of Advanced Depth Imaging Technology in Shallow Water Offshore Indonesia

Michael Gidding, Suyang Chen, Steven Wiseman, Moch Asrori, Richard Bolton

Indonesian Petroleum Association

... a small offshore 3D seismic dataset with the primary aim of improving the imaging beneath an area of high amplitude related to a probable gas...

Abstract: Surface-consistent Matching Filter for Time-lapse Processing; #90174 (2014)

Mahdi H. Almutlaq and Gary F. Margrave

Search and Discovery.com

... an industry practice to acquire multiple seismic surveys at regular time intervals to monitor subsurface changes due to hydrocarbon production or fluid...

Extended full-waveform inversion to improve the subsalt imaging in GOM

Guojian Shan, Jingru Chen, Zhemin Tan, John Chen, Yue Wang, Xiaoting Lou, Jennifer Zhang, William Lester

International Meeting for Applied Geoscience and Energy (IMAGE)

... and amplitude discrepancy. Both synthetic and field data examples demonstrate that extended FWI enhance the velocity of complex overburden and improve...

Enhancing seismic data quality: A machine learning approach to denoising and signal damage reduction

Mark Roberts, Olga Brusova, Leandro Gabioli, Alejandro Valenciano

International Meeting for Applied Geoscience and Energy (IMAGE)

... to recover masked input pixels. An improvement in the noise2void implementation came from Laine et al. Figure 1: Location of data used during model...

Evaluating the impact from dual-azimuth, wide-azimuth towed streamer and ocean bottom node acquisitions for Brazil pre-salt exploration: A finite difference modeling study

Lei Zhuo, Jeff Bergeron, Jake Deeds, Robert Brandt, Dirk Erickson

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Robert Brandt, Dirk Erickson Chevron U.S.A. Inc. Summary Seismic imaging for deep-water Brazil pre-salt exploration remains challenging, primarily due...

Chapter One: Introduction to AAPG Memoir 42/SEG Investigations in Geophysics, No. 9, 7th Ed.

Alistair R. Brown

AAPG Special Volumes

... wavelets (Figure 1-5). For thinner beds than this, the top and base reflections are still visible but the amplitude is progressively attenuated until...

Microbially induced carbonate precipitations to improve residual soil at various temperatures

Henry Ting Pek Kong, Khairul Anuar Kassim, Murtala Umar, Muttaqa Uba Zango, Abubakar Sadiq Muhammed, Kamarudin Ahmad

Geological Society of Malaysia (GSM)

... improvement technique. The main aim of this study was to determine the most suitable temperature for MICP to improve tropical residual soil. The physical...

A Comparative Study of 3-D Noise Attenuation Techniques

Daniel Wheaton, Yendri, Kusnarya

Indonesian Petroleum Association

... and amplitude mapping. When viewed in the common source mode, linear noise trains are difficult to recognize; and appear random with significant phase...

Abstract: Ground Improvement for Soft Soil Stabilisation in Coastal Areas

V. R. Raju

Geological Society of Malaysia (GSM)

...Abstract: Ground Improvement for Soft Soil Stabilisation in Coastal Areas V. R. Raju 282 Ground improvement for soft soil stabilisation in coastal...

Comparison of Seismic Reconvolution and Gabor Deconvolution in Improving Seismic Images to Detect Local Fluid Trapping

Madaniya Oktariena, Wahyu Triyoso

Indonesian Petroleum Association

...’t be recorded due to the small value of its reflection coefficient. Trace recorded in seismic data is a filtered version of the real subsurface...

Joint OBN and 3D DAS-VSP data acquisition and processing in East China Sea

G. Yu, G. M. He, Z. L. Cao, H. B. Liu, J. J. Li, Y. Z. Chen, J. J. Wu, J. G. Li, X. M. Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., amplitude compensation, deconvolution, wavefield separation, velocity analysis and imaging. According to the characteristics of offshore 3-D VSP...

Chapter 10-part 3: 3-D Depth Image Interpretation

William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel

AAPG Special Volumes

... are completely illuminated, blue the least. Note the low illumination just below salt. Also note the amplitude changes on the horizon of interest not due...

Abstract: A Comparison of 5D Reconstruction Methods; #90187 (2014)

A. Stanton, N. Kreimer, D. Bonar, M. Naghizadeh, and M. D. Sacchi

Search and Discovery.com

... preservation of amplitudes. Introduction 5D Reconstruction aims to provide a fully sampled noise free estimate of the data. The majority...

Implications of Elastic Anisotropy in Direct Probabilistic Inversion; Examples from Offshore Australia

Partha Pratim Mandal, Andre Eduardo de Souza, Rob Ross, Shane Squire, Yahya Basman

Southeast Asia Petroleum Exploration Society (SEAPEX)

... and a decrease in far angle wavelet amplitude, despite the simple low-frequency anisotropy profiles used. In addition, an improvement in synthetic seismic cross...

ABSTRACT: Optimization of shockwave generation in water conditions for coal fracturing

Fei Ren, Lei Ge, Thomas Rufford, Huilin Xing, Victor Rudolph

The Society for Organic Petrology (TSOP)

... discharge circuit settings and the corresponding effects on the shock pressure amplitude in an integrated system, then applied the system for coal...

ABSTRACT: Subsalt AVO, by Richard O. Lindsay and Davis W. Ratcliff; #91019 (1996)

Search and Discovery.com

Fullwave Sonic Analysis: New Methodologies for Characterizing Near-Wellbore Reservoir Properties

Search and Discovery.com

Heavy Oil Routine Service Cycle Time Improvement

Ponco Adi Winarto

Indonesian Petroleum Association

...Heavy Oil Routine Service Cycle Time Improvement Ponco Adi Winarto IPA15-E-226 PROCEEDINGS, INDONESIAN PETROLEUM ASSOCIATION Thirty-Ninth Annual...