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The AAPG/Datapages Combined Publications Database

Showing 5,805 Results. Searched 195,354 documents.

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Abstract: Multifocusing 3D Diffraction Imaging for Dectection of Fractured Zones in Mudstone Reservoirs; #90224 (2015)

Alana Schoepp, Evgeny Landa, Stephane Labonte

Search and Discovery.com

... in diffraction traveltime trajectories (Berkovitch et al., 2009). The presented case study shows that diffraction imaging offers a new perspective...

2015

Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

..., the difference sections should contain no horizontal reflections i.e. DMO should not in any way alter horizontal reflections. Diffraction hyperbolas...

1996

Combining seismic reservoir characterization workflows with basin modeling in the deepwater Gulf of Mexico Mississippi Canyon area

Wisam H. AlKawai, Tapan Mukerji, Allegra Hosford Scheirer, and Stephan A. Graham

AAPG Bulletin

... modeled the compaction curves of the custom lithologies in the model following Athy’s law (Athy, 1930; Smith, 1971): where is the porosity...

2018

Seismic Diffraction Imaging of Reservoir Fractures with DAS Seismic Data in a Horizontal Well

Brian Fuller

Unconventional Resources Technology Conference (URTEC)

... the source locations. Prior to the data processing discussion it is worthwhile to discuss the expected form of travel time curves of recorded diffraction...

2022

Integrating Sieving and Laser Data to Obtain Bulk Grain-Size Distributions

Pedro Dinis, Ana Castilho

Journal of Sedimentary Research (SEPM)

... the feasibility of using laser diffraction to measure sand-size particles by analyzing the representativeness of laser samples and quantifying the deviations...

2012

Accuracy of Calcite/Dolomite Ratios by X-Ray Diffraction and Comparison with Results from Staining Techniques: METHOD PAPER

Richard P. Gensmer , Malcolm P. Weiss

Journal of Sedimentary Research (SEPM)

...Accuracy of Calcite/Dolomite Ratios by X-Ray Diffraction and Comparison with Results from Staining Techniques: METHOD PAPER Richard P. Gensmer...

1980

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

... of many diffraction curves generated by each of many boulder-like anomalies in the subsurface. Figure 2 shows another depth section and associated seismic...

1992

Application of Zero Offset 2D CRS-Stack Method for Low Fold Data: Synthetic and Real Data Examples

R. Sule, A. Hendriyana, P. D. Anggraini, Fatkhan, Alfian, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

... is a second-order traveltime approximation of paraxial ray, which is given in terms of central ray coordinate of midpoint-half offset for segment...

2009

Oil-Gas Prospects of the Miocene Sediments of the Baku Archipelago

M. B. Kheirov, N. Yu. Khalilov

Petroleum Geology: A Digest of Russian Literature

... with glycerine and then is reduced to 9.80-9.90A after heating to 550-580°C. See Fig. 1. Figure 1. Diffraction curves of fine pelitic fraction of clays...

1978

Seismic Stratigraphy of the Bahamas

John W. Ladd , Robert E. Sheridan

AAPG Bulletin

... traveltime in northwest Tongue of the Ocean, suggesting a rift-drift unconformity and deposition on thinned continental crust. No such unconformity is seen...

1987

Abstract: Simultaneous P-P and P-S Waveform Inversion Algorithm Using Pre-Stack Time Imaging Method ; #90187 (2014)

Hassan Khaniani, John C. Bancroft, and Eric von Lunen

Search and Discovery.com

... P-S data. This facilitates the updating process using the parameters of traveltime and amplitudes of scatter point. GeoConvention 2013: Integration...

2014

Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014)

Andrew V. Barrett

Search and Discovery.com

... function, relating the surface to the image point in terms of traveltime as well as compensating for amplitude changes along the raypath. Commonly...

2014

Very High-Resolution Seismics as a Tool for Sequence Stratigraphy Applied to Outcrop Scale--Examples from Eastern Tyrrhenian Margin Holocene/Pleistocene Deposits

F. L. Chiocci

AAPG Bulletin

... of acoustic signals (see Figure 2); and (5) disturbing acoustic noises in the seismic profile such as ringing, multiple reflections, and diffraction hyperbolae...

1994

Uncertainty in the Estimation of Volume of Shale from Well Log Data; #42342 (2019)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... of techniques such as X-ray diffraction, infrared spectroscopy and electron microscopy are available, which help us understand the type of clay minerals present...

2019

Structural Trend Analysis by Axial Surface Mapping: Discussion

Donald S. Stone

AAPG Bulletin

... Pico beds below (Figure 5A). This unconformity also is ignored by Shaw et al., but is visible on seismic profiles [about 0.7 s two-way traveltime (TWT...

1996

Diapirs of Magdalena Delta: DISCUSSION

M. M. Ball

AAPG Bulletin

... that these reflections are very probably diffracted water-wave arrivals. For instance, where the curves are well defined (Shepard et al., 1968, Fig. 6, left side...

1969

Finite Difference Modelling: Part IV

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

...: minimum traveltime implies minimum travelled distance in any direction. In Figure 2 (upper row) we show a 2D slice through the spherical wavefront where...

2019

A Regression Technique for the Analysis of Shales by X-ray Diffractometry

John M. Cubitt

Journal of Sedimentary Research (SEPM)

... analyses of sediments by X-ray diffraction produce erratic results because of the variety of errors involved in these determinations. Analysis of variance...

1975

Abstract: Petrofabric Studies of Some Fine-Grained Rocks by Means of X-Ray Diffraction

Ju-chin Chen

Houston Geological Society Bulletin

...Abstract: Petrofabric Studies of Some Fine-Grained Rocks by Means of X-Ray Diffraction Ju-chin Chen 1966 16 16...

1966

Synthetic Array Curves from Dual Induction Logs, #40889 (2012)

Guoyu Hu, Ingo Geldmacher

Search and Discovery.com

...Synthetic Array Curves from Dual Induction Logs, #40889 (2012) Guoyu Hu, Ingo Geldmacher Synthetic Array Curves from Dual Induction Logs* Guoyu Hu1...

2012

A Comparison of Two Methods of Quantitative Mineralogical Analysis of Sedimentary Rocks: NOTES

M. J. Kaye , A. C. Dunham , D. M. Hirst

Journal of Sedimentary Research (SEPM)

... No. 2. (June), An attempt is made to assess the relative merits of quantitative X-ray diffraction analyses and optical modal analyses of sedimentary...

1968

Application of Seismic Multiattribute Analysis for Carbonate Buried Hill Reservoir Characterization

Xuetong Liu, Tongxing Xia, Jiyan Cai, Min Gong

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the strata and has higher prediction accuracy. The fusion attribute of residual diffraction wave and improved ant tracking can reduce...

2023

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