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The AAPG/Datapages Combined Publications Database

Showing 33,153 Results. Searched 195,502 documents.

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Ascending

Simultaneous Joint Inversion of Electromagnetic, Gravity and Seismic Data for Thrust Belt and Sub-Basalt Imaging

Virgilio Massimo, Stephen Hallinan, Marco Mantovani

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... and phase:TE mode (above),TM mode (below) Finally, the SJI velocity model and the SJI PSDM are presented in Figure 5: Note the improvement...

2009

Analysis of Time-lapse Multicomponent Seismic Data from a Potash Mining Area in Saskatchewan, Canada, #41275 (2014)

Andrew Nicol, Don Lawson

Search and Discovery.com

... paths covering a 45 degree aperture. Through interpretation and travel-time analysis of these data, we have observed weak azimuthal velocity anisotropy...

2014

Quantitative Self-Verification, a Breakthrough in Ultrasonic Metering Technology

Gregor J. Brown, Ross Johnston

Australian Petroleum Production & Exploration Association (APPEA) Journal

... International Smart Ultrasonic Meter Diagnostics – Phase 3 project report (Zanker 2014): Understanding the performance of multipath gas ultra­ sonic flow meters...

2023

Geophysical Techniques Used in Petroleum Exploration in the Ying Ge Hai Area, Zhanjiang, SW Guangdong Province, China

L. William Edwards

Circum Pacific Council Publications

... stacked section is supplemented by color-attribute processing (such as pseudo-interval velocity and phase); depth conversion and RAP* processing have...

1989

Abstract: Evolution Of Mangala Reservoir Model Through The E&P Lifecycle: Learnings And Way Forward; #90315 (2017)

Subhendu Sarkar, Amlan Das, Archana Dhanasetty, Pradeep Singh, Namita Pahwa, Pankaj Kumar, V Kothari

Search and Discovery.com

... of objectives and complexity. Models built during the appraisal phase are fairly simple, created to capture the uncertainty in STOIIP and EUR. During...

2017

Use of Horizontal Seismic Sections to Identify Subtle Traps

Alistair R. Brown, Robert J. Graebner, C. G. Dahm

AAPG Special Volumes

... Seiscrop sections both displaying seismic amplitude have been augmented by the equivalent sections displaying velocity. These were sliced from a volume...

1982

Ultrasonic measurements of elastic anisotropy of granitic rocks for enhanced geothermal reservoirs

Mayra D. L. Carrasquilla, Jake Parsons, Teng Long, Min Sun, Yingcai Zheng, De-Hua Han

International Meeting for Applied Geoscience and Energy (IMAGE)

... MPa in ultrasonic frequency bands. As the confining pressure increases, the results demonstrate significant increases in P-wave velocity and S-wave...

2023

Sand Particle Movement on Migrating Combined-Flow Ripples

Miwa Yokokawa , Fujio Masuda , Noritaka Endo

Journal of Sedimentary Research (SEPM)

... of the arrow shows the relative magnitude of the flow velocity. Each view corresponds to a phase of sand transport in Figure 1. End_Page 42...

1995

Interpretation Methods in the Exploration of Oligocene-Miocene Carbonate Reservoirs, Offshore Northwest Madura, Indonesia

David C. Carter, Dwi Mandhiri, Robert K. Park, Imron Asjhari, Syaiful Basyuni, Sergey Birdus, John P. Bradfield, Ary Iriawan, Meutia Nasfiah, M.A. Agung Nugroho

Indonesian Petroleum Association

... use of isochrons, amplitude, variance images, amplitude versus offset (AVO), acoustic impedance, seismic facies and detailed velocity estimation...

2005

P- and S-Wave Velocity Structures of the Sigsbee Abyssal Plain of the Gulf of Mexico from Ocean Bottom Seismometer Data

Sangmyung D. Kim, Seiichi Nagihara, Yosio Nakamura

GCAGS Transactions

... the bottom of the uppermost layer, has an apparent velocity of 3.0-3.2 km/s. Phase 2 contains the refracted arrivals from the bottom of the second layer...

2000

Acoustic and Related Properties of Calcareous Deep-Sea Sediments

Edwin L. Hamilton, Richard T. Bachman, Wolfgang H. Berger, Thomas C. Johnson, Larry A. Mayer

Journal of Sedimentary Research (SEPM)

... velocity. The best indices to predict sound velocity are percent sand, mean grain size, and the velocity ratio; this ratio varies from about 1.05 on top...

1982

Depth Prediction Ahead of the Bit: A Case Study from the Singa-1 Discovery Well, South Sumatra

Mark Crawley, David Ginger

Indonesian Petroleum Association

... above the Batu Raja Formation, this phase of the drilling operation became increasingly critical. As drilling continued the SWD velocity information began...

1998

Relating Directional Current Structures of Modern Sediments to the Direction and Velocity of Tidal Current Systems, Five Islands Tidal-Flat Complex, Nova Scotia

George DeVries Klein

Atlantic Geology

...Relating Directional Current Structures of Modern Sediments to the Direction and Velocity of Tidal Current Systems, Five Islands Tidal-Flat Complex...

1966

Integrating Basin Modelling with Geophysical Methods; #120108 (2013)

Hans Martin Helset, Zhijun Du, and Erling Fjær

Search and Discovery.com

... exploration methods. In the exploration phase, seismic and electromagnetic data can be inverted for sediment velocity and resistivity. Using rock physics...

2013

The Evolution of FWI and its Perceived Benefits

Tony Martin, Andrew Long

Australian Petroleum Production & Exploration Association (APPEA) Journal

... towed streamer data lacked the very long offsets and ultra-low frequencies necessary to derive stable velocity updates beyond shallow depths. FWI now...

2019

Chapter 7: Estimating the Thickness of Thin Beds

Tom Wittick

North Texas Geological Society

... with higher acoustic impedance than the host rock and those with lower acoustic impedance than the host rock. Since velocity is normally the dominant...

1992

Estimating the Thickness of Thin Beds

Abilene Geological Society

... the host rock and those with lower acoustic impedance than the host rock. Since velocity is normally the dominant component of the acoustic impedance...

1993

Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf

Vidar Storvoll, Knut Bjrlykke, Nazmul H. Mondol

AAPG Bulletin

... velocity anomalies relative to a baseline for marine shale, North Sea: Petroleum Geoscience, v. 5, p. 321336.Japsen, P., 2000, Investigation of multi-phase...

2005

Abstract: White Noise Suppression in the Time Domain … Part II; #90174 (2014)

Patrick Butler

Search and Discovery.com

... the loss of signal and frequency content under high noise conditions (S/N ~0.14). We will demonstrate the use of this algorithm for data clean up, velocity...

2014

Delineation of Gas Sands by Seismic Stratigraphy in the Pericocal Area, Orinoco Heavy Oil Belt, Venezuela: Section IV. Exploration Methods

J. Licheri, N. Parra

AAPG Special Volumes

...). As a final step the interval velocity sections were obtained from reflection coefficients and zero phase data using the formula: [EQUATION] where Vi...

1987

Wavelet Processing

Lee Lu

Indonesian Petroleum Association

... problems in line-ties, velocity study and even statics. As shown in Figure 1(c) the frequency-dependent phase distortions have been removed...

1978

Simultaneous Joint Inversion of Seismic, Magnetotelluric and Gravity in a Sub-Volcanic Reservoir

Muhammad Irsyad Hibatullah, Maulana hutama Rahma Putra, Firman Syaifuddin Akbar, Dwa Desa Warnana, Fahrenzy Yona Aisha

Indonesian Petroleum Association

... the subsurface, however, there is a challenge when it applies in the volcanic area. A high velocity and high-density properties of volcanic facies can...

2019

Elastic multiparameter full-waveform inversion application on sparse ocean-bottom node data

Denes Vigh, Xin Cheng, Bing Bai, Zongcai Feng, Kate Glaccum

International Meeting for Applied Geoscience and Energy (IMAGE)

... this advantage a step further to pursue a shear velocity update in addition to the pressure velocity field. Introduction During the last 10 plus years, FWI...

2023

A Report on the Renaissance of Gravity in the Deep Water Gulf of Mexico: A Practical View of Integration Methods

Brian S. Anderson, Mark E. Weber, John E. Bain

Houston Geological Society

... the seismologists to refine their migration velocity model for the structure, and as a result, refine the seismic image through reprocessing the data using...

1998

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