Use of Seismic Surveying with the Method of Regulated Directional Reception in Exploration for Reefs in the Southern Cis-Urals

F. I. Khat’yanov, Ya. I. Shul’ts, V. V. Kuryayeva

Petroleum Geology: A Digest of Russian Literature

..., exploration of the reef masses which occur at great depth (1500-2500 m) is difficult and expensive. Such exploration is carried out by combined geophysical...

Seismic and Thermal Characterization of a Bottom-simulating Reflection in the Northern Gulf of Mexico

Deborah R. Hutchinson, Patrick E. Hart, Carolyn D. Ruppel, Fred Snyder, Brandon Dugan

AAPG Special Volumes

...     explains the misfit, one might expect a correlation between depth (i.e., traveltime) to the top of salt and the degree of temperature misfit at the BSR...

3D large residual static corrections based on first breaks in CMP gather

Feng Faquan, Deng Zhiwen, Cai Xiwei, Hu Chaojun, Huang Yuanyi, Zou Xuefeng, Du Zhongdong, Wang Haili, Wang Mingliang

International Meeting for Applied Geoscience and Energy (IMAGE)

... affects the seismic imaging quality. In complex areas, due to lateral great variations in weathering velocity and thickness, it is hard to build accurate...

1.3 Igneous Structures: The Little Murray Ridge

R. S. White

AAPG Special Volumes

..., the vertical exaggeration of the time sections is about 10:1. As depth into the sediment increases, the increase in seismic velocity causes greater vertical...

Deep Sea Stratigraphy: Abyssal Sediment Waves

G. S. Mountain and B. E. Tucholke

AAPG Special Volumes

... traveltime and in depth. The accompanying line drawing in time shows irregular discontinuous reflectors immediately above the erosional unconformity...

Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology

Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia

Indonesian Petroleum Association

... elevations of shots and receivers of OBC data, iterative converted-wave velocity (vc) and effective vp/vs ratio (e) analyses and prestack converted wave...

Basement Structure and Sediment Distribution in Northwest Atlantic Ocean

Brian E. Tucholke , Virginia A. Fry

AAPG Bulletin

.... 519-535. Houtz, R. E., 1980, Comparison of velocity-depth characteristics in western North Atlantic and Norwegian Sea sediments: Journal...

Obtaining Low Frequencies for Full Waveform Inversion by Using Augmented Physics

Eldad Haber, Eran Treister, Elliot Holtham

Petroleum Exploration Society of Australia (PESA)

... data in the frequency or time domain are being fitted by changing the velocity of the media under investigation. The problem is nonlinear...

Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)

Sunjay Sunjay,

Search and Discovery.com

... constitutes a key first step that facilitates the estimation of a velocity model for depth imaging. For these reasons, improving the quality of time...

Geometry of winglike clastic intrusions adjacent to a deep-water channel complex: Implications for hydrocarbon exploration and production

Christopher A.-L. Jackson, Mads Huuse, Gillian P. Barber

AAPG Bulletin

... is not depth converted, using an interval velocity of 2.647 km/s derived from wells within the survey area (Table 1), all two-way traveltime measurements...

Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 4: 3-D Seismic Interpretation of an Upper Permian Gas Field in Northwest Germany

H. E. C. Swanenberg, F. X. Fuehrer

AAPG Special Volumes

... definition and resolution of the target horizon at 3500 to 4000 m depth (corresponding to 2.2 to 2.4 sec two-way traveltime) is severely influenced...

Facies Mapping from Three-Dimensional Seismic Data: Potential and Guidelines from a Tertiary Sandstone-Shale Sequence Model, Powderhorn Field, Calhoun County, Texas

Hongliu Zeng , Milo M. Backus , Kenneth T. Barrow , Noel Tyler

AAPG Bulletin

... resistivity (mean normalized to 2 ohm m), (c) differential depth (the depth relative to 1524 m reference), (d) effective porosity, (e) P-wave velocity, (f...

Analysis of Sonic Well Logs Applied to Erosion Estimates in the Bighorn Basin, Wyoming

Henry P. Heasler , Natalya A. Kharitonova

AAPG Bulletin

... by other workers (Rubey and Hubbert, 1959; Magara, 1976a; Sclater and Christie, 1980; Korvin, 1984). Linear porosity-depth relationships have been...

Anisotropic elastic full-waveform inversion for crosswell seismic data for Wyoming CarbonSAFE project

Olga Podgornova, Shujaat Ali, Ting Lei, Peng Li, Matthew Johnson, Lu Lee, Zunsheng Jiao, J. Fred McLaughlin, Erik Borchardt, Lin Liang, Pierre Bettinelli, Joel Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... for the horizontal shear velocity from the crossline component and vertical shear velocity from the inline component. In some depth intervals, sonic gamma...

Building a three-dimensional near-surface geologic and petrophysical model based on borehole data: A case study from Chemery, Paris Basin, France

Paola Sala, Marcel Frehner, Nicola Tisato, O. Adrian Pfiffner

AAPG Bulletin

... near-surface layer, or the velocity of the deeper unweathered layers (Telford et al., 1990). From the seismic traveltime-depth relationships measured...

Use of Seismic Surveying for Exploration of Oil and Gas Fields in the Fergana Valley

B. S. Vol’vovskiy, I. S. Vol’vovsky, B. B. Tal’-Virskiy

Petroleum Geology: A Digest of Russian Literature

... greatly depending on their velocity, degree of attenuation, and depth of occurrence of the corresponding refracting horizons. In the Pri-Adyr and Adyr...

Phase-encoded waveform inversion for multiples

Yike Liu, Bin He, Xiao-Bi Xie, Yingcai Zheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... reflections. However, if the initial model is strongly biased from the true velocity, the increasing nonlinearity generated by multiples in the data can cause...

Finite Difference Modelling: Part IV

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... interpretation. The exact acoustic velocity at which the wave moves from one point to another depends on the physical properties of the medium. For constant...

Acoustic Tomography for Reservoir Surveillance: Reservoir Characterization and Modeling

J. H. Justice, M. E. Mathisen, A. A. Vassiliou, S. Singh , P. S. Cunningham, J. R. Bulau

AAPG Special Volumes

... Characterization Seismic traveltime tomography reconstructs the seismic velocity field between two boreholes. To the extent that these velocity...

Contractional Growth Faulting in the Mexican Ridges, Gulf of Mexico

Luis Enrique Salomon-Mora, Mario Aranda-Garcia, Juan Rogelio Roman-Ramos

AAPG Special Volumes

.... This fold is at a water depth of 1930 m (6332 ft) with an average wavelength of 8 km (4.9 mi). TWT = two-way traveltime; MOD = Miocence-Oligocene...

3D surface-consistent residual statics estimation by deep learning

Han Wang, Jie Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... maximization associated with stacking velocity analysis. However, 3D velocity analysis is time-consuming and the massive number of trace correlations...

Ultrasound Tomography Optimalization by Using Robotic Application

Albertus Ariel Rahadi, Tedy Setiawan

Indonesian Petroleum Association

... of the conducted research are given in the form of P wave velocity from a sample and its tomography result by using MSIRT method (Modified Simultaneous Iterative...

ABSTRACT:MULTICOMPONENT OBC (4C) PRESTACK TIME IMAGING OVER PAMBERI, LRL BLOCK, OFFSHORE TRINIDAD

Tony Johns, Carmen Vito and Raul Sarmiento

Geological Society of Trinidad & Tobago

... be achievable through depth tomography with more detailed anisotropic traveltime ray tracing. The remarkable amplitude differences noted (of shear...

A New Method of Multiple Attenuation: Multiple Identification and Subtraction

Search and Discovery.com

... is two-way traveltime at offset x and 0 respectively, x is offset, and v is velocity. Data Examples In first synthetic data example (model...

Effect of Zechstein Supergroup (Z1 cycle) Werrahalit pods on prospectivity in the southern North Sea

John R. Underhill, Kirsten L. Hunter

AAPG Bulletin

.... The velocity effect has led to major discrepancies between prognosed and actual depth for deeper, highly prospective, Rotliegend Group, Leman Sandstone Formation...