Broadband Marine Seismic, Does Acquisition Make a Difference?

Martin Bayly, Sandeep Kumar Chandola, Low Cheng Foo, Abdul Aziz Muhamad, Swee Leng Ng

Indonesian Petroleum Association

.... However, noise at frequency extremes will limit this process and other shaping methods. The final results show remarkably similar end results despite...

A Simple Guide to Depth Conversion: Part I

Ashley Francis

GEO ExPro Magazine

... an over-interpretation and is usually just regression of noise. Only if groups of wells exhibited different V0 (for the same gradient k) might an uplift...

Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data

Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin

Indonesian Petroleum Association

... Annual Convention Proceedings, 2017 hydrophones also contain various forms of noise. To remove these types of noise, a frequency filter applied...

Abstracts: Making New with Old: Reprocessing Vintage Seismic Data from the Western Arctic Islands using Modern Methods; #90173 (2015)

Mathieu J. Duchesne, Virginia I. Brake, and Tom Brent

Search and Discovery.com

.... Types of artifacts Data artifacts can be regrouped in 2 different noise categories: coherent and random. When noise is said to be coherent, it means...

Abstract: Comparing Seismic Resolution and Signal and Noise Quality between Dense Point-receiver and Conventional Data over the Bakken Formation in North Dakota, by Banik, Niranjan C.; Salama, Antoun; Egan, Mark; Koesoemadinata, Adam; El-Kaseeh, Khadir G.; #90163 (2013)

Search and Discovery.com

Abstract: Low-Frequency Tremor Signals from a Hydraulic Fracture Treatment in Northeast British Columbia, Canada; #90187 (2014)

David W. Eaton, Mirko van der Baan, Jean-Baptiste Tary, and Kim Pike

Search and Discovery.com

...) microseismic events, from stage H1-3. Noise characteristics of the surface sites were also extensively studied. Non-coherent noise from the surface...

Recent Advances in Marine Acquisition Technology and their Application to Basins Off Shore South America

Peter Watterson, Rob Ross, Steve Whidden

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... in 2006 indicated these types of surveys did indeed provide a stepchange improvement in subsalt imaging. Subsequently largescale, multiclient multi-vessel...

Frequency-dependent seismic-stratigraphic and facies interpretation

Hongliu Zeng

AAPG Bulletin

... may address seismic events and seismic facies of different geologic scales. Analysis of frequency-driven seismic-interference patterns may...

The Next Generation of Microseismic Imaging

Marc-André Lambert, Paul West

GEO ExPro Magazine

... radiated from microseismic events is small by definition and recorded signals are often weak and masked by noise. The critical signal-to-noise ratio (SNR...

Abstract: Lamb Waves Recorded in Microseismic Monitoring Wellbores; #90174 (2014)

Andy St-Onge

Search and Discovery.com

... has been examined to identify coherent signal and noise. The objective was to better understand events recorded on the data. The signal and noise...

First Results of Inaugural Deployments of the Australian National Ocean Bottom Seismograph Fleet

Alexey Goncharov, Ashby Cooper, Peter Chia, Michal Malinowski

Petroleum Exploration Society of Australia (PESA)

..., shooting vessel noise, and, possibly, some other types of energy). Spectral characteristics of this complex ‘interference mix’ will be analysed in two types...

Auto-identification and Real-time Warning Method of Multiple Type Events During Multistage Horizontal Well Fracturing

Mingze Zhao, Yue Li, Yuyang Liu, Bin Yuan, Siwei Meng, Wei Zhang, He Liu

Unconventional Resources Technology Conference (URTEC)

..... Figure 2. Schematic representation of the characteristics of different types of events at different stages of the fracturing process Table 1...

Abstract: Hydraulic Fracture Monitoring: Integrating Multi-Scale Borehole-Based Geophysical Measurement to Improve Formation Understanding, by Le Calvez, Joel; Puckett, Mark; #90163 (2013)

Search and Discovery.com

Subsurface Image Comparison between Active Seismic Data and Interferometry Seismic for a Mud Volcano Case in Wringin Anom, East Java

Triswan Madani Ade Surya, Nur Rochman Muhammad, Nathasya Abigail, Firman Syaifuddin

Indonesian Petroleum Association

.... Different types of layers (soil or rock) will have different velocity. This method can also estimate the depth of the sea by detecting the time needed...

Abstract: Is Surface Monitoring Biased Towards Specific Source Mechanisms?; #90310 (2017)

Pierre Roux

Search and Discovery.com

... out the existence of peculiar source mechanisms patterns observed during hydraulic fracture stimulation. A vast majority of microseismic events...

Abstract: Interpreting Microseismicity Generated by Hydraulic Stimulation: Is Surface Monitoring Biased Towards Specific Source Mechanisms?; #90319 (2018)

Pierre Roux

Search and Discovery.com

... of peculiar source mechanisms patterns observed during hydraulic fracture stimulation. A vast majority of microseismic events indeed exhibits a “dip...

ABSTRACT: Future of Microseismic Analysis: Integration of Monitoring and Reservoir Simulation; #90122 (2011)

Leo Eisner, Vladimir Grechka, and Sherilyn Williams-Stroud

Search and Discovery.com

... have different frequencies. Thus, for a single microseismic event, we invert noise-contaminated traveltimes for 12 quantities: x-, y-, z- AAPG Search...

Abstract: Multiple and Noise Attenuation with Tau-P Seismic Data Processing

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

... geometry and noise characteristics. In an original shot gather, multiples are not periodic in time for all non-zero offsets. The T-p transform separates...

Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)

Juefu Wang and Shaowu Wang

Search and Discovery.com

... processing flow except that data is corrected to surface instead of flat datum. Based on the characteristics of land data, the data is preconditioned...

Filtering of Depositional Events and the Completeness of Sedimentary Sequences

Kevin D. Crowley

Journal of Sedimentary Research (SEPM)

.... Each of these filters has a different effect on the record of depositional events; the first filter is a discretization filter, whereas the second...

Cross-Well Seismology: A New Production Tool

B. N. P. Paulsson, R. T. Langan

Indonesian Petroleum Association

... to improve the signal-to-noise ratio. It is possible that modifications of these two types of sources will make them more acceptable in the future. Another...

Tulip Field 3D Coil Shooting Survey„Preliminary Data Processing Results

Michele Buia, Riccardo Vercesi, Michelle Tham, Dmitry Nikolenko, Andreas Tyasbudi Waluyo, Swee Leng Ng

Indonesian Petroleum Association

... in this survey, to name a few: turn noise due to acquiring data while the vessel and cables were tracking continuously in circles, very severe multiple energy...

Constraining Geomechanical Model Development by Utilizing Microseismic Derived Fracture Characteristics

Adam M. Baig, Ted Urbancic, Jonathan Gallagher, Eric Von Lunen, John W. Crowley

Unconventional Resources Technology Conference (URTEC)

... waveforms. At smaller scale lengths, signal to noise ratios can be low, and events may not be observed at high enough quality to permit SMTI. To extend...

Noise Identification in Passive Seismic Hydrocarbon Reservoir Microtremor Data

Muhammad Fadhillah Akbar, Afnimar, Andri Dian Nugraha, Dimmas Ramadhan, Guntur Mulyanagara

Indonesian Petroleum Association

... of ocean wave and coastal structure (Berger et al., 2004). This interval can be different for every survey. To reduce noise-floor variations, band...

Theory and Applications  of Vertical Variability Measures  from Markov Chain Analysis

John H. Doveton

AAPG Special Volumes

.... The discrimination of reflection frequency characteristics between synthetic seismograms from known facies types allows a lithostratigraphic classification...