Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2

B. A. Hardage

AAPG Special Volumes

..., the geophone is clamped at a fixed recording depth, but the source is moved to various offset distances. In both instances, a flat, horizontal reflector can...

Deepwater debrites and linked megaturbidites in confined basins: An example from the Onnuri Basin, East Sea of Korea

Deniz Cukur, In-Kwon Um, Jong-Hwa Chun, Gwang-Soo Lee, Gee-Soo Kong, Samuel Y. Johnson, Senay Horozal

Journal of Sedimentary Research (SEPM)

... Sea, lies at water depths of 2,000 to 2,500 m, deepening gradually to the north. It is characterized by a flat seafloor except for a few islands...

Seismic Profiles of the Powder River Basin, Wyoming

W. Richard Moore

Rocky Mountain Association of Geologists

... reflector is diminished over the top of the remnant, possibly indicating deposition of thinner sandstones. Reflections above the Dakota, up to the Sussex...

A Comprehensive Approach to Depth Imaging in Thrust Belt Environments

Ron Schmid, Brian Link, Patrick Butler

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... violates our traditional NMO and CDP assumptions. Added to these subsurface challenges are the additional considerations of rapid elevation changes (up...

Pre-Stack Calibration to Well Data: Intercept & Gradient Scaling … A Case Study From the Norwegian North Sea

Nguyen Nam, Larry Fink

Indonesian Petroleum Association

... the seismic wavelet, are not discussed in this paper. The causes for AVO scaling problems, such as multiples, incorrect velocity, residual NMO...

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands

Subhash Chandra, Geoff Mansfield, Peter Carver

Petroleum Exploration Society of Australia (PESA)

... data to enhance the imaging . simplistic flow and reliance on the flat layer assumptions of conventional NMO and Stack. The 2005 seismic section...

DAS seismic monitoring of the shallow CO2 controlled-release experiment at the South West Hub In-Situ Laboratory

K. Tertyshnikov, R. Pevzner, B. Freifeld, L. Ricard, A. Avijegon

Petroleum Exploration Society of Australia (PESA)

...; the wavefield separation has been performed and seismograms were NMO corrected. Figure 2 shows the results of the processing: panels from left to right...

Abstract: Variable Depth Streamer Acquisition: Enhancing Interpretation with Broadband Marine Seismic; #90174 (2014)

R. Soubaras, R. Dowle, and R. Sablon

Search and Discovery.com

... are overlain on the water bottom reflector for reference. The resolvability of the dipping nearsurface reflectors is greatly improved with the deghosted...

G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset

Norman S. Neidell

AAPG Special Volumes

... approaches as represented by seismogram synthesis assume a flat-layered subsurface and so the vertical travel paths employed are also taken to be normal...

Abstract: Anisotropy-Preserving 5D Interpolation by Hybrid Fourier Transform; #90224 (2015)

Juefu Wang and Shaowu Wang

Search and Discovery.com

... applying the interpolation. This new method does not require this effort. Furthermore, multiples or dipping events are usually not flat after NMO...

Abstract: AVO Analysis of a 2D Seismic Line in the Malay Basin (Paper 9)

Dashuki Mohd, Idrus Mohd Shuhud

Geological Society of Malaysia (GSM)

... at every 1 km interval, Radon velocity filtering and NMO correction. The NMO corrected CMP gathers were used for AVO analysis. The AVO analysis...

Abstract: Non-First-Break Solution for Shallow Velocity Anomaly Problem; #90211 (2015)

Emil Blias

Search and Discovery.com

...-density automatic non-hyperbolic NMO picking, (ii) Analytical NMO inversion to estimate shallow velocity structure, (iii) Non-linear horizonbased traveltime...

Confirming Reservoir Geometry and Exploration Opportunity through 5D Interpolation PSDM in The Sub-ophiolite Zone, Banggai Sula Basin, Central Sulawesi

Mufied Ahmad, Dadang Ramdan, Yudi Herdiana, Abdullah Nurhasan, Arif Budi Mulyawan

Indonesian Petroleum Association

... velocity analysis. Several spots in the northern part underneath the ophiolite showed relatively flat gathers after NMO correction with minimum residual...

Three-Dimensional Seismic Analysis in the Characterization of a Giant Carbonate Field, Onshore Abu Dhabi, United Arab Emirates

Peter Melville, Omar Al Jeelani, Saeed Al Menhali, Jürgen Grötsch

AAPG Special Volumes

... with the (A) conventional (NMO) and (B) longer offsets processing (AAMO). The section is flattened at Base Tertiary to make the shallow-generated multiples...

Seismic Characterization of the Fiordland Gas-hydrate Province, New Zealand

Miko Fohrmann, Andrew R. Gorman, Ingo A. Pecher

AAPG Special Volumes

... in this region exhibit classic characteristics indicative of a reflector at the base of the gas-hydrate stability zone: (1) they predominantly have a negative...

Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014)

Saul E. Guevara, Gary F. Margrave, and William M. Agudelo

Search and Discovery.com

... are identified by 1 and 2 in Figure 1(a). Borehole 1 was located in a flat area on a Quaternary Formation, about 400 m away from a river on its flood...

Abstract: Static Corrections Via Raypath Interferometry: Recent Field Experience; #90224 (2015)

David C. Henley

Search and Discovery.com

... conventional statics correction methods, is a set of NMO-corrected source or receiver gathers. Each gather is transformed to the radial trace (RT) domain...

Combined P and S Waves Survey for Hydrocarbon Exploration

Basuki Puspoputro

Indonesian Petroleum Association

... seismic data acquisition. Generated P-waves are reflected by reflector (R) as P-waves and S-waves (converted waves P/SV). Vp/Vs Ratio Laboratory...

Gas-Filled Jurassic Entrada Erg Sandstones at Flat Rock Field, Uintah County, Utah

John Dyer, Dan Donoho

Rocky Mountain Association of Geologists

...Gas-Filled Jurassic Entrada Erg Sandstones at Flat Rock Field, Uintah County, Utah John Dyer, Dan Donoho 2008 155 178 Flat Rock Field lies...

Gas-Filled Jurassic Entrada Erg Sandstones at Flat Rock Field, Uintah County, Utah

John Dyer, Dan Donoho

Utah Geological Association

...Gas-Filled Jurassic Entrada Erg Sandstones at Flat Rock Field, Uintah County, Utah John Dyer, Dan Donoho 2008 155 178 Flat Rock Field lies...

Geophysical Corner Articles from September 1996 – present, Compiled

Search and Discovery.com

Abstracts: CDP Noise Attenuation Using Local Linear Models; #90173 (2015)

Todor I. Todorov and Gary F. Margrave

Search and Discovery.com

... attenuation has been successfully applied on seismic volumes. In this publication we look at the problem of noise attenuation on CDP NMO-corrected...

Velocity Analyses of Near Seafloor Strata Based on Multichannel Seismic Data from the Tonga Platform

Jeffrey E. Cole, Dennis M. Mann

Circum Pacific Council Publications

... were produced of reflector coherency as a function of stacking velocity and two-way travel time (Figure 6). These coherency plots were used...

Abstracts: Time-Lapse VSP Data Analysis from Weyburn CO2 Project; #90173 (2015)

Amin Baharvand Ahmadi, Igor Morozov

Search and Discovery.com

... and calibrate the NMO-corrected VSP data to the surface seismic records, the VSP to CDP transformation was conducted by using the same CDP binning...

U-net based primary alignment

Ricard Durall, Ammar Ghanim, Norman Ettrich

International Meeting for Applied Geoscience and Energy (IMAGE)

... Ettrich Fraunhofer ITWM, Germany Summary Aligning primary reflections in seismic normal moveout (NMO) corrected gathers is a crucial part of seismic...