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The AAPG/Datapages Combined Publications Database

Showing 11,094 Results. Searched 195,688 documents.

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Ascending

Marine Seismic Sources: Part I: Air-Guns for Non Experts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... of frequencies. However, as we will explain, the source ghost (see Box 3) has a detrimental effect on broad-band spectrum. the source ghost The time...

2010

Characterization of a Sediment Core from Potential Gas-hydrate-bearing Reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff Formations of Alaska's North Slope: Part 4Nuclear Magnetic Resonance Core Studies

R. F. Sigal, C. Rai, C. Sondergeld, B. Spears, W. J. Ebanks Jr., W. D. Zogg, N. Emery, G. McCardle, R. Schweizer, W. G. McLeod, J. Van Eerde

AAPG Special Volumes

... in the shape of the spectrum. The simplest explanation for this is a reduction in surface relaxivity produced by cleaning and resaturation.For most...

2009

Multi-Attribute Analysis of a Low-Frequency Passive Seismic Method for Hydrocarbon Indicator Prospecting: Case Study in Cemara Field, Cirebon, West Java, Indonesia

Dimmas Ramadhan, Andri Dian Nugraha, Afnimar, Muhammad Fadhillah Akbar, Guntur Mulyanagara

Indonesian Petroleum Association

... consist of: 1. Power Spectral Density (PSD) 3 Hz This attribute measures the spectrum amplitude (PSD) at 3 Hz from the vertical component. (Fig. 4...

2013

The Future of Marine Seismic Acquisition?

Luc Haumonté

GEO ExPro Magazine

... of the processing gain, which can be improved with a 16 km higher coverage. 16km Another area of improvement over the years is signal 8 km 8km spectrum...

2017

Simultaneous source wide azimuth seismic acquisition using low frequency Gemini source in eastern Mediterranean Sea

Shangli Ou, Shelley Zaragoza, Zachary Lawrence, Lindsey Donaldson, Chris Tapie, Kim Begay-Jackson, Brian deMartin, Ares Ouzounis, Jie Shu, Luigi Pastore, Gita Febriany

International Meeting for Applied Geoscience and Energy (IMAGE)

... removed) can be found in Figure 5. Because the two sources have very different strengths and peak amplitudes, the spectrum power is normalized...

2023

Marine Vibrator Concepts for Modern Seismic Challenges

Andrew Long, Rune Tenghamn

Petroleum Exploration Society of Australia (PESA)

.... Alternatives to conventional air gun arrays for flexible and creative acquisition geometries, 2. Low power alternatives to air gun arrays...

2018

Abstract: Nuclear Power in Space Exploration and on Earth: An Overview

Michael D. Campbell, P.G.

Houston Geological Society Bulletin

...Abstract: Nuclear Power in Space Exploration and on Earth: An Overview Michael D. Campbell, P.G. 2009 28 28 51 5 When Apollo 11 touched down...

2009

Wave-, Tide-, and Current-Controlled Sandbodies of Miocene Molasse, Western Switzerland

Peter Homewood , Philip Allen

AAPG Bulletin

... contains very large coquina banks ashioned by vigorous (? tidal) currents and reworked by fair-weather waves. Wave power, calculated from preserved...

1981

Colour amplifies relief shading

Peter Kovesi

Petroleum Exploration Society of Australia (PESA)

... derived from natural data have an amplitude spectrum that decays inversely proportional to the frequency raised to some power. That is, the amplitude...

2019

Understanding the causes of low frequency shadow below gas hydrates

Ayman Noor M. Qadrouh, Saad Alajmi

Petroleum Exploration Society of Australia (PESA)

... of the centroid frequency of the power spectrum is estimated as a function of the travelled distance. Then, 1D experiments perform to quantify the frequency loss...

2019

Abstract: Do You Have a Moment: the Importance of Instrumentation in Moment Magnitude Estimation; #90224 (2015)

W. Greig and N. Spriggs

Search and Discovery.com

... to a nominal criterion defined below. Estimating moment magnitude depends on imaging the flat, low frequency portion of the Brune displacement spectrum...

2015

Abstract: Arrow, ERM Form Braemar 2 Power Station Partnership

PESA Staff

Petroleum Exploration Society of Australia (PESA)

...Abstract: Arrow, ERM Form Braemar 2 Power Station Partnership PESA Staff australian news Arrow, ERM Form Braemar 2 Power Station Partnership...

2008

Remote Sensing of Oil Spills

K. P. B. Thomson, S. Ross, H. E. Howard-Lock

CSPG Special Publications

... imagery techniques operating in the visible range of the spectrum, microwave systems and active or specialised techniques. Each of these three categories...

1975

Analysis of Artificially Matured Shales With Confocal Laser Scanning Raman Microscopy: Applications to Organic Matter Characterization

Grant A. Myers, Kelsey Kehoe, Paul Hackley

Unconventional Resources Technology Conference (URTEC)

... maps were collected from each Bakken sample, with each map consisting of a single diffraction-limited spot-size spectrum per 1 µm2 in rectangular...

2017

Low Power Magnification Photography of Thin Sections: NOTES

S. Duncan Heron, Jr.

Journal of Sedimentary Research (SEPM)

...Low Power Magnification Photography of Thin Sections: NOTES S. Duncan Heron, Jr. 1968 Vol. 38 No. 3. (September), Thin sections of any type of rock...

1968

Abstract: Noise and its Effect on Microseismic Event Locations; #90174 (2014)

Neda Boroumand and Henry Bland

Search and Discovery.com

... surface noise resulting from power lines, pump jacks, generators or vehicles driving or constantly running at surface. Coherent noise, since more...

2014

Identification of Fracture Zone in Field AŽ Using Maximum Entropy Method

Aditya T. Pratama, Leonard J.I. Lisapaly

Indonesian Petroleum Association

...) The power spectral density obtained by using the maximum entropy technique is equivalent to the power spectral density of an autoregressive (AR) process...

2005

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

Patrick Butler

Search and Discovery.com

... a considerable advantage in processing the low amplitudes at the top end of the wavelet's spectrum. It will be shown, with the aid of cross correlations...

2014

A Stitch in Time!

Kim Gunn Maver, Helge Aven, Neil Hodgson, Paolo Esestime, Spectrum

GEO ExPro Magazine

...A Stitch in Time! Kim Gunn Maver, Helge Aven, Neil Hodgson, Paolo Esestime, Spectrum 35/3-5 35/3-5 31/2-8 31/2-8 30/6-23 30/6-23 30/9-22 30/9-22...

2013

Geothermal Development in the Pacific Basin: Problems, Issues and Answers

Carel Otte

Circum Pacific Council Publications

..., Issues and Answers 1 Carel Otte Union Geothermal Division, Union Oil Company of California Los Angeles, California Geothermal energy for power generation...

1982

Use of Airplane Photographs in Geologic Mapping

Walter A. English

AAPG Bulletin

... inches. Other things being equal, a better picture can be taken with a 12-inch lens than with an 8-inch lens, because less covering power is required...

1930

Olympus Rising: A Step Change in North Carnarvon Basin Imaging

Julian Mather, Nicolas Hand, Spectrum

GEO ExPro Magazine

...Olympus Rising: A Step Change in North Carnarvon Basin Imaging Julian Mather, Nicolas Hand, Spectrum Olympus Rising A Step Change in North Carnarvon...

2017

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