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The AAPG/Datapages Combined Publications Database

Showing 1,143 Results. Searched 195,387 documents.

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Abstract: Acquiring Low Frequencies : Sweeps, Sensors, Sampling and Stories; #90224 (2015)

Olivier Winter, Anna Leslie, and Forest Lin

Search and Discovery.com

... as a summation surface, a bigger zone of influence results in a larger signal summation order. The signal-to-noise ratio after migration is thus...

2015

Abstract: The Distribution of Oil and Natural Gas Deposits in the Earth’s Crust in Relation to Pt, Ni, and Cr Mineralization Along Great Circles

N. Thamm, Robert A. Hodgson

Utah Geological Association

... of observation and thought toward the present summation, and one realizes that his conclusions here cannot be taken lightly. They may, in fact, point...

1974

Summary of Conspicuous Geologic Features of the Lower Tertiary Sequence

V. Standish Mallory

AAPG Special Volumes

... and tuffaceous siltstones is a part of local Refugian volcanism. In summation, the five Eocene stages may be grouped into (1) the lower stages characterized...

1959

Abstract: Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations (Paper 23)

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

Geological Society of Malaysia (GSM)

... stretch formulation or Integral/Summation (Kirchhoff-style) methods with provisions for spatial aliasing and dip constraints. Fourier transform methods...

1995

Experiment in the Use of Grouped Shots Using the Common Depth Point Method

M. D. Malykhin, Ye. I. Murashko, V. I. Rikhter, A. F. Sokolov

Petroleum Geology: A Digest of Russian Literature

... kg). The following measures are recommended: Use of symmetrical observation layouts. In this case retaining multiplicity of summation...

1979

A New Apparatus for Recording Particle Size Distribution

C. L. Bascomb

Journal of Sedimentary Research (SEPM)

... the transducer is fed to a recorder, which traces an accumulation curve. The first derivative (slope of the curve) gives a summation curve of the particle size...

1968

Porosity: Part 5. Laboratoy Methods

M. Peter Cone, David G. Kersey

AAPG Special Volumes

... 205------------------------ [EQUATION (2)] [EQUATION (3)] Porosity can also be determined by adding (using summation of fluids) the individual...

1992

A Critique of the "McLaren Method" for Defining Sediment Transport Paths: REPLY

Patrick McLaren, Donald Bowles

Journal of Sedimentary Research (SEPM)

... using a vector summation technique. Although we have attempted several such approaches, we have been unable to improve on the "line-by-line" examination...

1991

Abstract: Multiple Attenuation Using MultiFocusing Technology; #90224 (2015)

Marianne Rauch–Davies, Alex Berkovitch, Kostya Deev, and Evgeny Landa

Search and Discovery.com

... the offset traveltimes for the multiples using the identified MF attributes and compute a multiple model based on the partial coherent summation...

2015

Abstract: Smart Supergrouping Improves Residual Static Estimation in Areas with Challenging Seismic Data Quality; #90254 (2016)

Pavel Golikov, Maxim Dmitriev, Andrey Bakulin, Dmitry Neklyudov, Rienk Lakeman

Search and Discovery.com

... intervals using simple assumptions and smart summation techniques that have proven to work well for field data of different complexity. We perform smart...

2016

Abstract: Time Lapse Passive Seismic Emissions and Fracture Images From Microseismic; #90000 (2016)

Charles Sicking, Jan Vermilye, Alfred Lacazette, Pete Geiser, Laird Thompson

Search and Discovery.com

..., and therefore are invisible to conventional MEQ microseismic methods. TFI captures LPLD energy. In summary, the semblance-based summation methods used...

2016

Abstract: Hilbert Transform of Distributed Acoustic Sensing (DAS) fiber optic data: A new attribute to assess hydraulic fracturing in Marcellus Shale; #90308 (2017)

Payam Kavousi Ghahfarokhi Timothy R. Carr

Search and Discovery.com

... fracture stimulation (one SEGY file for every 30 seconds). The first attribute is the energy attribute: a summation of the squared amplitude of the DAS...

2017

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