Seismic Sedimentology of Cenozoic in Qinan Sag of Huanghua Depression, Eastern China

Xiaomin Zhu and Yanmei Dong

Search and Discovery.com

... phase shift Stratal slicing Interpretation 8 Ricker Wavelet as Function of Phase 0 Impedance 90 Ricker 0 After Hongliu Zeng 2001 9 3450 TR546...

Geosteering through Challenging Fractured Limestone Reservoir Becomes Achievable Utilizing High Definition Multi-Layer Boundary Mapping Technology … Case Study from a Deep Gas Reservoir; #41828 (2016)

Saad A. Al-Ajmi, Chinmaya Pattnaik, Ahmed E. Al-Dawood, Qasem Dashti, Abdul Aziz H. Al-Failakawi, Sandeep Chakravorty, Chandan J. Keot, Khaled M. El-Derini

Search and Discovery.com

... with the novel concept of tilted antennas to provide directional and deep phase shift and attenuation measurements at multi depths of investigations...

Understanding the Seismic Wavelet; Steven G. Henry; Search and Discovery Article #40028 (2001)

Search and Discovery.com

Do Gas Hydrates Occur in Alaminos Canyon, Gulf of Mexico?

Brian C. Tost, Ann E. Cook

Unconventional Resources Technology Conference (URTEC)

... within the target sand with values ranging from 1.3 to 2.1 -m in Hole AC 21-B. Phase-shift and attenuation propagation resistivities for 400 kHz...

Characteristics of Microzonation Modelling in Reservoir Evaluation

Search and Discovery.com

A Gravity Study of the Thermopolis Anticline, Southern Bighorn Basin, Wyoming

R.B. Grannell, P.K. Showalter

Rocky Mountain Association of Geologists

.... The modellng process also requlred a phase shift and slope adjustment (reg~onalres~dualseparation) for each model. to account for the fact that a local...

Correlation of Sedimentary Basins Across the North Atlantic as Obtained from Gravity and Magnetic Data, and Its Relation to the Early Evolution of the North Atlantic: Chapter 9: North Atlantic Perspectives

J. Verhoef, S. P. Srivastava

AAPG Special Volumes

... an anomaly without introducing a phase shift, while the horizontal gradient introduces a phase shift of 90°, which might weaken a lineation. Because both...

Modeling molluscan marine reservoir ages in a variable-upwelling environment

Kevin B. Jones, Gregory W.L. Hodgins, C. Fred T. Andrus, Miguel F. Etayo-Cadavid

PALAIOS

.... (2009) estimated a phase shift on the order of a week (0.02 yr) between temperature and corresponding radiocarbon changes recorded in mollusk shell...

The application of a new machine-learning paradigm based on pretraining and fine-tuning, StorSeismic, on field seismic data

Randy Harsuko, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... predict the SLF from a given SHF well (Figure 4c, bottom left). We observe that the amplitude of the predicted SLF is preserved and no phase shift...

Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings

F. Sandnes, L. Nustt, S. G. Henry

Indonesian Petroleum Association

... of sources and recording equipment is essential. Additional processing may be necessary to correct for phase shift introduced by these operators...

Evaluation of the Texaco Dielectric Log in Central Sumatra

P. T. Cox

Indonesian Petroleum Association

... of the wave. The propagation delay, or phase shift of the wave, may be determined by taking the difference in arrival times (the phase difference...

Gulf Coast Logging

Gunnar J. Teilmann, Robert E. Murphy

New Orleans Geological Society

... is a device which emits microwaves into a formation and measures the transmission speed, phase shift and signal loss of those microwaves. Its original...

Hydraulic fracture-hit detection system using low-frequency DAS data

Xiaoyu Zhu, Ge Jin, Richard Hammack

International Meeting for Applied Geoscience and Energy (IMAGE)

... a consistent correlation between production interference and fracture hits during stimulation in the Denver-Julesburg Basin. DAS uses the phase shift of back...

Enhanced Thermal Recovery and Reservoir Characterization

Christopher Phillips

Pacific Section of AAPG

... and the depth of investigation for the phase shift shallow resistivity (Rps) is approximately 24 inches. If drilling sub-parallel to the bedding near a shale...

3D anisotropic wavefield simulation with an advanced time-space domain temporal high-order SGFD solution

Xinquan Wang, Long Wu, Yunshan Lei, Panpan Lv, Huibing Zhao, Xiaoling Guo

International Meeting for Applied Geoscience and Energy (IMAGE)

... obvious phase-shift error, while the new NLS-FD (16, 6) yield nearly dispersion-free result because the waveform matches the reference much better. If one...

Bayesian joint inversion of controlled source electromagnetic and magnetotelluric data to infer presence of a freshwater aquifer offshore New Jersey

Daniel Blatter, Kerry Key, Anandaroop Ray, Chloe Gustaffson, Rob Evans

Petroleum Exploration Society of Australia (PESA)

...) method, which actively generates EM fields and measures their attenuation and phase shift at receivers offset from the transmitter. The measured EM...

Reservoir Characterization Using Seismic Attributes and Inversion Analysis of Globigerina Limestone Reservoir, Madura Strait, Indonesia

Muhammad Tajul Arifin, Angus J. Ferguson

Indonesian Petroleum Association

... phase shift was applied to the derived amplitude spectrum. The wavelet that was used in the inversion process is the statistical wavelet derived from...

Using NMR to Quantify Mineralization-induced Porosity Changes in Varied Lithologies: IOR and Carbon Storage Applications

Shaina Kelly, Jacob Tielke, Michael Dick, Dragan Veselinovic

Unconventional Resources Technology Conference (URTEC)

... a reduction in amplitude (attenuation) and a change in peak position (phase shift) that is a function of the permeability of the core. Using custom...

Measurement and Analysis of CO2 Adsorption and Permeability in Shales In Application to Geological Carbon Storage

Shengyu Yao, Deniz M. Paker, Aruvin Prakasan, Ram R. Ratnakar, Birol Dindoruk

Unconventional Resources Technology Conference (URTEC)

..., a notable finding was the plateau in adsorption observed at higher pressures, particularly as CO 2 transitioned into its supercritical phase...

Orbital Forcing and Sedimentary Sequences

Alfred G. Fischer, David J. Bottjer

Journal of Sedimentary Research (SEPM)

... periods gives rise to interference, phase shift, and combination tones. When these forcing functions impinge on atmospheric and oceanic processes...

Structural imaging in the Rocky Mountain Foothills (Alberta) using magnetotelluric exploration

Wen Xiao, Martyn Unsworth

AAPG Bulletin

... angle can also be defined and is the phase shift between Ex and Hy at a given frequency. If the apparent resistivity increases with decreasing frequency...

Land, Marine and Transition Zone Seismic Operations in PPL 123, Papua New Guinea

Alan G. Fenwick, Robert J. Paul

Papua New Guinea (PNG) Petroleum Convention Proceedings

... gradient existed between it and the Turama River. This resulted in an effective phase shift of the tides and it was further discovered that the shift...

Extrapolated surface-wave dispersion inversion

Hongyu Sun, Laurent Demanet

International Meeting for Applied Geoscience and Energy (IMAGE)

... the Rayleigh waves phase velocity dispersion image using the Phase-Shift method (Park et al., 1998). With the extrapolated low-frequency data, we can pick...

Tide- and River-Generated Mud Pebbles from the Fluvial To Marine Transition Zone of the Mekong River Delta, Vietnam

Marcello Gugliotta, Yoshiki Saito, Van Lap Nguyen, Thi Kim Oanh Ta, Toru Tamura, Sojiro Fukuda

Journal of Sedimentary Research (SEPM)

... the software SHAPE (Iwata and Ukai 2002). To avoid errors due to the phase shift of the harmonics, Fourier power spectrums (FPSs), which are generally used...

Shelfedge Dynamics and the Nepheloid Layer in the Northwestern Gulf of Mexico

David W. McGrail, Michael Carnes

Special Publications of SEPM

... with a phase shift be tween them could be attributed to the passage of an the velocity internal Second wave 12 hour FREQUENCY a Gravity dis...