Research on Measurement Methods of MMWD during Gas Drilling

Search and Discovery.com

Quantifying the Impact of a Complex Overburden in Kaieteur Basin: An Integrated Modeling Study from Seismic Survey Design to Quantitative Interpretation

Search and Discovery.com

ABSTRACT: The Late-Quaternary Climatic Signal According to Palynology in a Deep-Sea Turbiditic Levee (Rhone Neofan, Gulf of Lions, Northwest Mediterranean); #90013 (2003)

C. Beaudouin, B. Dennielou, S. Berne, A. Huchon, F. Guichard

Search and Discovery.com

...ABSTRACT: The Late-Quaternary Climatic Signal According to Palynology in a Deep-Sea Turbiditic Levee (Rhone Neofan, Gulf of Lions, Northwest...

ABSTRACT: Geodynamic and palaeoclimatic evolution of the Caspian Sea: Paratethys restriction during Maikop and Productive Series; #90109 (2010)

C.G. Langereis, W. Krijgsman, I. Vasiliev, C.G.C van Baak, M. Stoica, E. Aliyeva, D. Huseynov

Search and Discovery.com

... results show that in general the Eocene basalts and volcanic derived sandand siltstones give a paleomagnetic signal that warrant a more detailed...

Application of Pseudorandom m-Sequences for Seismic Acquisition

Joe Wong

Search and Discovery.com

... and sonar applications where signal-to-noise enhancement is critical. For example, the earliest experiments in detecting radar echoes from Venus...

Abstracts: Interpolation of Nonstationary Seismic Records using a Fast Generalized Fourier Transform; #90173 (2015)

Mostafa Naghizadeh and Kristopher A. Innanen

Search and Discovery.com

... of nonstationary seismic events In seismic data processing, nonstationarity means that the frequency/wavenumber content of the signal varies in time...

Abstracts: Development of a Guided User Interface for Microseismicity Analysis; #90173 (2015)

Ismael Vera Rodriguez and Mauricio D. Sacchi

Search and Discovery.com

... of Alberta, Canada Summary Signal Analysis and Imaging Group (SAIG) at the University of Alberta is developing a Guided User Interface (GUI...

Abstract: Seismic While Drilling (SWD) Techniques: A Journey From 1986 to 2006; #90211 (2015)

Abhishek Anchliya

Search and Discovery.com

... the seismic signal generated by a surface seismic source on seismic sens ors integrated inside t he downhole Borehole Assembly (BHA). Recently introduced...

Abstract: Improving Temporal Resolution of Land Seismic Data with a Stabilized Inverse Q-Filter; #90254 (2016)

Abdullah M. Alshangiti, Peter Pecholcs, Rienk Lakeman, Mohammad Bannagi

Search and Discovery.com

..., distortion of wavelet phase and decrease of spectral amplitudes, especially at high frequencies. This leads to poor resolution and low signal to noise ratio...

Abstract: Can supergrouping enhance low frequencies needed for FWI of 3D land broadband seismic data?; #90254 (2016)

Maxim Dmitriev, Andrey Bakulin, Pavel Golikov, Dmitry Neklyudov

Search and Discovery.com

.... As such, the signal-to-noise ratio (SNR) for these low frequencies is typically even poorer. While most FWI pre-processing approaches are trying to improve SNR using...

Abstract: Quality Enhancement of 3D Seismic Data Using Anisotropic Diffusion Method; #90255 (2017)

Yahya Moradi Chaleshtori, Abdolah Kiani, Keyvan Najafzadeh

Search and Discovery.com

...Abstract: Quality Enhancement of 3D Seismic Data Using Anisotropic Diffusion Method; #90255 (2017) Yahya Moradi Chaleshtori, Abdolah Kiani, Keyvan...

Abstract: DrillCam: An Integrated Real-Time System to Image Ahead and Around the Bit; #90319 (2018)

Abdulaziz Almuhaidib, Yi Luo, Mustafa Al-Ali

Search and Discovery.com

... in real time. The recent advances in seismic sensor sensitivity, high-channel count surveys, signal enhancement, and imaging algorithms, as well...

Abstract: An Integrated Approach for AVA Amplitude Friendly Processing; #90319 (2018)

Arun K. Sarkar, Ahmed A. Alghamdi, Gunawan Romli, Ayman Suleiman, Salah Elhagali

Search and Discovery.com

... characterization including Pre-stack inversion requires careful seismic data processing to preserve signal amplitude. An integrated approach that encompasses...

Time-Lapse Study and Acquisition of Monitor Survey over Carbonate Gas Fields in Sarawak Water, East Malaysia, by Bor Seng Lee, Yip Cheong Kok, Chee Kiong Ngu, and Hua Zhu; #90052 (2006)

Search and Discovery.com

Investigation of the Behavior of Surface Noise within Seismic Arrays of Variable Geophone Density

Search and Discovery.com

Seismic Time-Frequency Analysis by Empirical Mode Decomposition; #41513 (2015)

Jiajun Han, Mirko van der Baan

Search and Discovery.com

... ensemble empirical mode decomposition (CEEMD) decomposes a seismic signal into a sum of oscillatory components, with guaranteed positive and smoothly...

Polarization Filter by Eigenimages and Adaptive Subtraction to Attenuate Surface-Wave Noise; #41565 (2015)

Stephen Chiu, Norman Whitmore, Michael Gurch

Search and Discovery.com

... processing techniques to separate signals from strong surface noise in lieu of signal enhancement through receiver-array summing. The advantages of using...

Field Trip Stop #4: Castle Steam Field and Plant #13

Pacific Section of AAPG

...Field Trip Stop #4: Castle Steam Field and Plant #13 1978 88 88 The discovery well of the Castle Steam Field was the Aminoil (formerly Signal Oil...

Reservoir Rocks Behaving Differently

Thomas Smith

GEO ExPro Magazine

... and upgrade assumptions made decades ago. “We directly image the unique signal that is being generated in porous, permeable and fractured reservoir rocks...

The AVO Response of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma [Abstract]

Roger A. Young, Eric Kubera, Alan Leaver

Oklahoma City Geological Society

... domain filtering and CMP mixing were applied to improve the signal/noise ratio of the data. Despite this improvement, visual inspection of amplitude...

Truncation of Maricopa Sandstone Members, Maricopa Flat, Kern County, California

E. R. Atwill

AAPG Bulletin

... of the writer is to present the subsurface geology of a restricted area in the Maricopa Flat, namely, that one which is locally designated the Signal...

Detection and suppression of strong energy interference waves within the black triangleŽ using a data-driving self-adaptive frequency-decomposition approach

Haifeng Chen, Xiangyang Li, Zhongping Qian, Pengyuan Sun, Xiaoying Qin, Dingyu Xiong

International Meeting for Applied Geoscience and Energy (IMAGE)

... that is ten to ten thousand times stronger than the energy of the effective signal. These noises are often distributed within the near-offset triangle...

Appendix D: Summary of Recommendations to Help Today’s Interpreter Get More Geology Out of 3-D Seismic Data in a Reasonable Period of Time

Alistair R. Brown

AAPG Special Volumes

... the seismic attributes you use Prefer horizon attributes to windowed attributes Use techniques that maximize signal-to-noise ratio...

Reservoir Characterization and Monitoring Using Multi-Transient Electromagnetic (MTEM) (Geophysics Paper 25)

Folke Engelmark

Geological Society of Malaysia (GSM)

... by deconvolving the received voltage for the input current. The source signal is a Pseudo Random Binary Series (PRBS) that combined with vertical stacking...

Key Features of TEM and EM-IP Investigations in South-East Asia (Paper P45)

Y. A. Agafonov, I. V. Bouddo, I. V. Egorov, M. M. Salleh

Geological Society of Malaysia (GSM)

... signals were affected by periodic noise with a frequency of 50 Hz as well as its multiple harmonics. An example of the signal and spectrum affected...