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Showing 3,536 Results. Searched 200,636 documents.
A Critical Review of Data Quality and Content Applied to FWS and Similar Tools
M. Wiltshire
Petroleum Exploration Society of Australia (PESA)
... solved by these tools, principally in soft rocks, because of inherently poor seismic wave propagation efficiencies. Rapid attenuation of seismic waves...
2004
Is there a Satisfactory Classification for Southeast Asian Tertiary Basins
Charles S. Hutchison
Southeast Asia Petroleum Exploration Society (SEAPEX)
... attenuation and sinking over long periods of time. Good examples in the region are the Szechwan and Khorat Basins. Trenches. In the case...
1984
3D Finite-Difference Acoustic Modeling to Address Advance Seismic Imaging Challenges in Bintuni Bay, Irian Jaya Barat: Part I of II
Yayat Supriatna, Angke Nuraeni, Supriyono, Greg J. Schurter, Carl J Regone, Nurul Kabir
Indonesian Petroleum Association
... direction with a source interval of 150 m. No multiple attenuation was applied before migration. Figure 7 shows the time slice at target level and cross...
2007
Time Variations of Natural Gamma Radiation
Robert S. Foote, Nathan E. Frick
Environmental Geosciences (DEG)
... system with the monthly rainfall amount. Groundwater attenuation of radiation intensity was observed in the winter months compared to higher intensity...
2001
Pre-Stack Calibration to Well Data: Intercept & Gradient Scaling A Case Study From the Norwegian North Sea
Nguyen Nam, Larry Fink
Indonesian Petroleum Association
..., anisotropy, attenuation, and other noise, are also not discussed in this paper. Regardless of the cause, this paper provides details about how to match...
2007
Advances in Geophysical Techniques for the Detection of Drilling Hazards and Their Application to Seismic Exploration
D. C. N. Pratt, Tong Pow Mun
Southeast Asia Petroleum Exploration Society (SEAPEX)
... in the preservation of amplitudes. Ostrander, 1984 stated that non-geologic factors can cause amplitude variations. These include: array attenuation, event tuning...
1990
Innovative seismic surveying and imaging in Bonaparte Basin for future energy resources
David Barlass, Shivaji Maitra, Nigel Seymour
Australian Energy Producers Journal
...), turn noise attenuation and simultaneous deghosting and designature (Caprioli et al. 2019), followed by joint subtraction of water-layer and surface...
2025
Full Waveform Inversion: Early Start of Model Building Process to Resolve the Complex near Surface Model in the Exmouth Sub-Basin, North West Shelf Australia
Lianping Zhang, Haryo Trihutomo, Yuelian Gong, BeeJik Lim, Alexander Karvelas
Australian Petroleum Production & Exploration Association (APPEA) Journal
... update 02 Frequency band 02 update Least square FWI Preprocessing (Broadband processing, Noise attenuation, Demultiple) CIP Tomography update 03 CIP...
2018
Gravity Field of the North Fiji Basin
James N. Kellogg, Dibya R. Kansakar
Circum Pacific Council Publications
... Isacks, 1971, Lateral variations of seismic wave attenuation in the upper mantle above the inclined zone of the Tonga island arc: D e e p anomaly...
1994
Current Production Logging
C. B. Davenport, R. S. Millhone
Indonesian Petroleum Association
... Injection Profiling Sonic logging techniques involve attenuation, reflection, refraction, and travel time concepts. All tools may suffer from multipath...
1981
Data processing workflow for reflections from cement-formation interface in ultrasonic pitch-catch measurement in cased hole
Shaopeng Shi, Hua Wang, Meng Li, Aihua Tao
International Meeting for Applied Geoscience and Energy (IMAGE)
... the attenuation of the casing flexural wave (primary A0) and reflection waves from the cement-formation interface (TIE). Although the TIE is critical...
2022
The Tsunami Survey Offshore Sumatra, a Cooperative Geo-Technical Project for Deep Crustal Study WesternGeco/Schlumberger/CNRS-IPG Paris/BPPT
Soelistijani M, Martin Bayly, Tim Bunting, Satish C. Singh
Indonesian Petroleum Association
... considerable earth attenuation. Source and cable tow depths were also modeled for optimum signal strength. One such model is shown in Figure 2...
2008
Azimuthal Variations in Reflection Seismic Data: Measurements Governed by the In-Situ Horizontal Stress Field and/or Vertical Aligned Fractures
Heloise B. Lynn, Walter S. Lynn
West Texas Geological Society
..., amplitude, amplitude gradient, frequency and attenuation (Q). The increased use of wide-azimuth 3-D P-wave surveys has dramatically increased...
2006
Broadband reconstruction of seismic signal with generative recurrent adversarial network
Zhijun Zhang, Wei Song, Wei Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., frequency-related attenuation and scattering (Sun et al., 2009; van der Baan, 2012; Ahadi and riahi, 2013). Generally, geometric expansion compensation...
2022
3D density imaging of cosmic-ray muography with adjustable angular resolutions
Chenyan Wu, Dikun Yang, Zhongchang Chen, Ke Wang, Tao Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... the attenuation of muon flux in rocks (Alvarez et al., 1970). Muons of cosmic origin are produced in the upper atmosphere and are constantly and uniformly...
2022
Subsurface Surveillance in Low Permeability Oil Reservoir at Tanjung Field Barito Basin South Kalimantan
Trisakti Kurniawan, Bambang Prasetiyo, Darwin Tangkalalo
Indonesian Petroleum Association
... consistency, such as random noise attenuation, but it did not help much so conditioning or reprocessing on the raw gather seismic data was recommended...
2010
High resolution petrophysical and geomechanical characterization for subsurface stress prediction in the Permian Basin
Emmanuel Oyewole, Brian Crawford
International Meeting for Applied Geoscience and Energy (IMAGE)
...) scanning. DECT measures the attenuation of high and low energy X-ray beams as they “pass” through a given material. The resulting, x-ray attenuation...
2022
Improving Cement Bond Logs in Water Disposal Wells: A Case Study of Step Change Optimization Until Achieving the Excellence
C. Sutama, A. Salehpour, F. Inayah, D. Mathews, D. Mueller
Indonesian Petroleum Association
... and for water gaps larger than 9 µm; the attenuation rate was close to the free-pipe attenuation rate. Because even very small microannuli can severely...
2012
Borehole tube wave generation by an incident P-wave at a fluid-filled fracture
Abdullah Alsawidan
International Meeting for Applied Geoscience and Energy (IMAGE)
...ture characterization by means of attenuation and generation of tube waves in fractured crystalline rock at Mirror Lake, New Hampshire: Journal of Geo...
2022
Direct observation of transient fluid pressure surge and resonance in a fluid-filled fracture
Yuesu Jin, Nikolay Dyaur, Yingcai Zheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... and attenuation: Journal of Geophysical Research-Solid Earth, 120, 1080–1107, doi: https://doi.org/10.1002/2014JB011286. Manga, M., M. Brumm, and M. L...
2022
Improving the image below complex overburden geology with FWI and Q-tomography: A case study at Etame license area, offshore Gabon
Richard Huang, Chong Chung, Benjamin Cole, Ivan Berranger, Ika Novianti, Paul Ware
International Meeting for Applied Geoscience and Energy (IMAGE)
...-tomography and receiver 3D de-ghosting, de-signature, survey matching, and 3D surface-related multiple attenuation. We start from a velocity...
2022
Solving Water Well Problems and Complaints in Areas of Unconventional Resource Development
John V. Fontana, David M. Seneshen
Unconventional Resources Technology Conference (URTEC)
... (Std. Op. Procedure #175) in Oklahoma for evaluating natural attenuation on remediation projects. This method is the most commonly used at various labs...
2013
Reservoir Modelling and Amplitude Analysis, South Lho Sukon, N. Aceh
J. C. den Boer, R. O. Ugland, W. Soeria Atmaja
Indonesian Petroleum Association
... and the seismic amplitude observations. Figure 11. A section of the Full Wave Train recording of the SLS-C1 sonic. The increasing signal attenuation...
1989
An immersed absorbing boundary condition for scalar wavefield modeling under topography
KeJi Chen, Hanming Chen, Hui Zhou
International Meeting for Applied Geoscience and Energy (IMAGE)
... Geologists Immersed absorbing boundary condition longitudinal attenuation. Figure 5 proves the feasibility of our proposed method. Conclusions (c...
2022
Improved Understanding and Interpretability Beneath the Complex Accretionary Section in West Timor, Indonesia, Via Marine Broadband Seismic and Beam Depth Migration
Mazin Farouki, Felice D'Alterio, Erika Gentile
Indonesian Petroleum Association
... structure. Unique aspects of this implementation include near-vertical steep dip imaging, residual multiple attenuation, and the ability to detect...
2012