A High Resolution Seismic Stratigraphy Study, Central Sumatra Basin Indonesia

Untung Suryanto, W. A. Wycherly

Indonesian Petroleum Association

... and cultural noise. We also wished to determine target depths at which the method was no longer effective. All the wells tied by the survey had good...

Southwest Lake Arthur Field, Cameron Parish, Louisiana: Case Histories

Vito A. Gotautas, George E. Gordon, Johnnie Johnson, Clyde Lee

AAPG Special Volumes

... the prospect was drilled initially to test a dip--fault closure, it resulted in a stratigraphic-trap discovery, and subsequent horizontally "stacked...

Determining Maximum Horizontal Stress with Microseismic Focal Mechanisms - Case Studies in the Marcellus, Eagle Ford, Wolfcamp

Alireza Agharazi

Unconventional Resources Technology Conference (URTEC)

... in the direction of maximum shear stress acting on the fracture plane, a linear relationship is formed between and magnitudes for each event. After...

Time-lapse crosswell seismic monitoring of CO2 injection at the Nagaoka CCS site using elastic full-waveform inversion

Rie Nakata, Nori Nakata, Aaron Girard, Masaru Ichikawa, Ayato Kato, David Lumley, Zique Xue

International Meeting for Applied Geoscience and Energy (IMAGE)

... to calibrate amplitudes and remove noise and tube wave arrivals. After applying the bandpass filtering of 50-250 Hz, the amplitude variations between...

ABSTRACT: Seismic detection of faults and fractures; #90136 (2011)

Santinder Chopra

Search and Discovery.com

... noise free and should have optimum frequency content for meeting the desired goals. Certain types of noise can be addressed by the interpreter through...

Abstract: Diffraction Imaging Using Multiplication Imaging Condition; #91204 (2023)

Dongliang Zhang, Constantine Tsingas

Search and Discovery.com

... filtering is a straightforward method to split the negative- and positive-dip structure. RESULTS In the synthetic and real data set tests, the subsurface...

Danish Sector: Insight into Mature and Deeper Plays

Will Bradbury, Steve Drewell, Gulnara Hickman, TGS

GEO ExPro Magazine

...-offset domains were applied to target the removal of coherent and incoherent noise. Once the dataset was relatively clean of incoherent noise, TGS...

Angolan Kwanza Basin … Expanding Proven Opportunities

Madhurima Bhattacharya, Harrison Moore

GEO ExPro Magazine

... was fully addressing the seismic interference (SI) noise caused by other seismic vessels conducting acquisition in the area as well as coherent noise from...

2.2 Basement Involved: 2.2.2 Rifts: A Half-Graben and Tilted Fault Block Structure in the Northern North Sea

A. C. Evans and D. N. Parkinson

AAPG Special Volumes

... was introduced which involved dip filtering of CDP gathers. The CDP tack was weighted to improve the continuity of deep reflections. Finally, the section...

Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary

Bruce Hart

PTTC

... grids, the signal to noise characteristics associated with the surface sediment, and environmental factors such as vegetation, animal life and urban...

Unsupervised machine learning for seismic facies classification applied in presalt carbonate reservoirs of the Bzios Field, Brazil

Dbora Ribeiro Barretto, Pedro Henrique Cunha de Macedo, Wagner Moreira Lupinacci, Raisa Carvalho Silva

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Figure 2) consisted in: (1) data preconditioning, using a structural-oriented smooth filtering (Hale, 2009) to attenuate background noise and enhance...

THE APPLICATION OF HIGH RESOLUTION SEISMOLOGY TO THE DELINEATION OF FAULTING AND COAL SEAM THICKNESS: A CONTINUING CASE HISTORY

Anthony R. Wagner

North Dakota Geological Society

... and executed: 1) Preliminary seismic noise and source testing; 2) high resolution seismic data acquisition...

The Effects of Seismic Data Conditioning on Pre-Stack Simultaneous Impedance Inversion

Scott W. Singleton

GCAGS Transactions

... not the case (for instance, if dipping coherent energy were present), dip or spatial filters would need to be used prior to S/N enhancement. To attack...

Application of intelligent fault identification and sealing evaluation technology in Lukeqin area

Sun bo, Lin Yu, Guo Xiang, Yin Xue Bin, Nie Zhiwei, Liu Hongyan

International Meeting for Applied Geoscience and Energy (IMAGE)

... network (CNN) deep learning is applied in practice. It has obvious improvement in profile fault imaging, plane fault combination and deep noise resistance...

ABSTRACT: Improved AVO analysis based on the CRS method; #90051 (2006)

Henning Trappe, Juergen Pruessmann

Search and Discovery.com

... expected in areas of strong dip, and at deep targets with a low signal -to-noise ratio...

ABSTRACT Seismic Characterization of the Internal Fault Architecture from a Deepwater Fold and Thrust System, Niger Delta, #90123 (2011)

David Iacopini, Rob Butler

Search and Discovery.com

... discontinuities (thrusts) we first performed noise cancellation through the seismic volume and then produced a steering volume using structurally-oriented dip...

ABSTRACT: Imaging Structural Geology with Dip and Directional Dip, by Aqrawi, Ahmed A.; Boe, Trond Hellem; #90141 (2012)

Search and Discovery.com

Recent Exploration in PEPs 109 and 110, Onshore Gippsland Basin

S. R. Greaves

Petroleum Exploration Society of Australia (PESA)

... was utilized with I 0 m group interval and 30 m vibrator point interval. This configura• tion enabled a high spatial sampling in areas of steep dip...

Abstract: Multiple Attenuation Using MultiFocusing Technology; #90224 (2015)

Marianne Rauch–Davies, Alex Berkovitch, Kostya Deev, and Evgeny Landa

Search and Discovery.com

... of MultiFocusing (MF) is the enhancement of the signal-to-noise ratio of both stacked sections and prestack data through stacking a much larger number...

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

... reflections, with no conversion to shear or head waves, are recorded). There is no coherent noise (including multiples) and no "burst-out" noise included...

Abstract: High Resolution Radon Transforms based Compressive Sensing Principles, by Y. Ma and Y. Luo, #90188 (2014)

Search and Discovery.com

Integrated Approach to Overcome Marginal Field Challenges and Extend the Field Life

Hasrony Maridhona, Marwa Al Harthy, Aisha Mubarak Al-Badi, Anam Al Balushi

Indonesian Petroleum Association

... to evaluate remaining potential of the field. A reprocessing effort was introduced in 2015 with post stack 3D dip filtering to retrieve real geological...

Turning high resolution FWI model into pseudo-reflectivity: A case study using sparse OBN

Bing Bai, Yao Yu, Ruoyu Gu, Shenghong Tai, Denes Vigh

International Meeting for Applied Geoscience and Energy (IMAGE)

... in terms of illumination compensation and noise reduction and provides a supplementary volume to the migration image. Pseudo-reflectivity also has...

Polygonal Fault System in the Great South Basin, New Zealand; #42267 (2018)

Jianjun Li, Jie Qi

Search and Discovery.com

... is applied to sharpen structural and stratigraphic discontinuities and smear the incoherent noise on coherence. Fault images are co-render enhanced...

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...