Using AVO and LMR Analysis with DHI and Flat-Spot Calibration to Mitigate Reservoir Risk at Stonehouse, Offshore Nova Scotia

Search and Discovery.com

... Flat-spot peak (GWC) Base gas sand polarity flip below flat-spot peak: GWC (follow white dotted line) Figure 2: postulated DHI flat-spot mapped from 3D...

Abstract: 3C Deghosting for Refraction Time-lapse Monitoring; #90187 (2014)

P. B. Wills and K. De Meersman

Search and Discovery.com

... the direction and polarity of the recorded signal. In Figure 2 (Right) these polarization vectors are displayed in relation to a 2C receiver recording...

Abstracts: Oilsands: Not Your Average Seismic Data; #90173 (2015)

David Gray

Search and Discovery.com

... change polarity. Based on these characteristics, these are Class 2 AVO (Rutherford and Williams, 1989). In order to properly tie Class 2 AVO to zero...

Abstract: Anisotropic Moment Tensor Inversion and Visualization Applied to a Dual Well Monitoring Survey; #90224 (2015)

Scott Leaney, Xin Yu, Chris Chapman, Les Bennett, Shawn Maxwell, Jim Rutledge, and John Duhault

Search and Discovery.com

...eeve events were used for calibration (Maxwell et al., 2011). These were distinguished from micro-earthquakes based on observed P polarity as the sle...

Abstract: Digital Expert for DAS Passive Seismic Monitoring: Integration of Image Processing and Geophysical Processing; #91204 (2023)

Takashi Mizuno, Joel Le Calvez, Nicholas Fundytus, and Pierre Bettinelli

Search and Discovery.com

... of the event to the fiber, the polarity of slowness changes at the event depth. This means we can invert the depth of the event by looking at the zero...

Using Modern Cave Systems as Analogs for Paleokarst Reservoirs; #50252 (2010)

Chip Feazel

Search and Discovery.com

... difference does it make? - Consequences to drilling & production 1. Is the underlying layer a carbonate sequence? • Interval velocities • Polarity • AVO...

Gas Hydrates in Canadian Sverdrup Basin, Canadian Arctic Archipelago: A Potential New Focus for Canadian Resource Characterization; #80094 (2010)

Kirk Osadetz, Tom Brent, Zhuoheng Chen, Peter Hannigan, Jacek A. Majorowicz, Jan Safanda

Search and Discovery.com

... amplitude decrease and polarity reversal from water replacing free gas downdip. Note: very-fine grained Christopher Formation underlies Hassel Formation. 4 4...

Multi-Component Seismic (3C) Data Acquisition … A Case Study from Oil India Ltd. Operational Area in Upper Assam Basin, #40728 (2011)

K. L. Mandal, A. K. Khanna, Dr. R. Dasgupta

Search and Discovery.com

... of about 3,500 m there are little or no changes in polarity, which suggests that an offset to depth ration of about 1.5 is reasonable. Synthetic...

Lightning Data - A New Geophysical Data Type; #41184 (2013)

H. R. Nelson, Jr., D. James Siebert, and Les R. Denham

Search and Discovery.com

... the number of flashes, the polarity of the flashes, the peak current and other attributes of the flashes, and mapping these various attributes (Orville...

AVO Attribute Analysis for Gas Hydrate in Shenhu Area; #41228 (2013)

Rui Yang, Nengyou Wu, Zhibin Sha, and Jinqiang Liang

Search and Discovery.com

.... There are three characteristics in fluid factor profile (Figure 6): (1) strong amplitude; (2) Negative polarity of free gas zone top interface; (3) Positive...

From Geophysics to Petroleum Systems within Geological Frame of Romania; #10928 (2017)

Elena-Rodica Stoica-Negulescu

Search and Discovery.com

... changes in polarity and amplitude, helped us to distinguish the "fluid" and "lithological" effect. "Map Analysis" interpretation results proved...

Monterey Formation Lithofacies: Linking a Complex Story of Deposition and Diagenesis to Help Unravel Stratigraphic Relationships, #51488 (2018).

Jon Schwalbach, Kevin Bohacs, Will Berelson

Search and Discovery.com

...-Resolution Magnetic Polarity Stratigraphy of Shell Beach Section of the Monterey Formation in Pismo Basin, California, in R.E. Garrison (ed.), Japan-U.S....

Sequence Stratigraphy of the Post-Jurassic in the Algoa and Gamtoos Basins: Implications for Hydrocarbon Potential in the Eastern Cape, South Africa; #11200 (2019)

Marvel M. H. Makhubele, Emese Bordy

Search and Discovery.com

...). early HST HST Genetic Sequence Figure 8.The 3D seismic dataset is reverse polarity, where an increase in acoustic impedance is represented...

Marine Seismic Data Collection in Indonesia

W. Rodney Cotton

Indonesian Petroleum Association

... polarity. The system is therefore sensitive to vertical pressures such as seismic reflections and insensitive to horizontal pressures caused by stresses...

The San Juan Basin: A Complex Giant Gas Field, New Mexico and Colorado

James E. Fassett

Rocky Mountain Association of Geologists

...–372. Fassett, J.E., and M.B. Steiner, 1997, Precise age of C33n-C32r magnetic polarity reversal, San Juan Basin, New Mexico and Colorado, in O.J....

The Relationship of Gravitational and Magnetic Anomalies to the Process of Granitization

L. N. Elanskii Л. Н. Еланскии

Petroleum Geology: A Digest of Russian Literature

... of appearance of inverse polarity was proposed by L. D. Bersudskii (2). Applying this interpretation to the concrete geologic conditions of the Russian...

SEISMIC REFLECTION SURVEYING FOR OIL AND GAS FIELDS IN NORTH CENTRAL TEXAS

TED COUGHRAN

Fort Worth Geological Society

... with the Caddo and Mississippian reflections. Consideration of matching synthetic seismograms to seismic sections brings up the subject of the polarity...

A Method for Calculating Pseudo Sonics from E-Logs in a Clastic Geologic Setting

Joe H. Smith

GCAGS Transactions

... caused reflection polarity errors at sand boundaries. The ILD curve should not be used for DTP calculation in areas with a significant presence of high...

New Perspectives on the Structural Evolution of the Bass Basin: Implications for Petroleum Prospectivity

A. M. Cummings, R. R. Hillis, P. R. Tingate

Petroleum Exploration Society of Australia (PESA)

... Location Half-graben Polarity D D Thicken towards NE Thicken towards SW Figure 1. A) Location diagram and structural elements of the offshore Bass...

Wavelet Processing

Lee Lu

Indonesian Petroleum Association

... polarity determination. Better correlation between seismic and well log data. obtaining more realistic wavelets for modelling. Improved velocity...

Thrust deformation in the Maimon Belt and Los Ranchos Formation, central Hispaniola: Evidence for early Cretaceous ophiolite emplacement. emplacement.

Draper, G., Gutierrez, G. and Lewis, J.F.

Geological Society of Trinidad & Tobago

... magmas. We suggest that both phenomena are related to a previously proposed subduction polarity reversal event. INTRODUCTION Hispaniola is a mature...

Two statistical attributes for evaluating attenuation response due to gas hydrates

Emily Jackson, Heather Bedle, Thang Ha

International Meeting for Applied Geoscience and Energy (IMAGE)

... evident when they cross-cut stratigraphic layers as they roughly parallel the ocean bottom, albeit with opposite polarity. Although BSRs are good...

Lessons learned and applications of bottom-simulating reflectors

Karyna Rodriguez, Neil Hodgson

International Meeting for Applied Geoscience and Energy (IMAGE)

...) (Figure 1). The BSR has opposite polarity to the seabed and often cross-cuts stratigraphy. It is also characterised by a free gas zone below which may...

Address by Professor S. K. Runcorn on Palaeomagnetism

J. R. Patterson

CSPG Bulletin

.... It is suggested that the Earth's field is generated from a primary field produced by fluid motions in the core. In this scheme, the polarity...

Interactive Interpretation of 2D Seismic Data

Alistair Brown

Geological Society of Malaysia (GSM)

... modes. He may use variable area/wiggle trace (Fig. 8), wiggle trace only, dual polarity variable area or, in order to maximize dynamic range, full...