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The AAPG/Datapages Combined Publications Database

Showing 51 Results. Searched 187,807 documents.

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Broadband Seismic Technology and Beyond: Part VIII: BroadSeis in Exploration

Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth

GEO ExPro Magazine

... in the shallow detail and in the fractured basement. Ghost-Free Data As discussed in GEO ExPro, Vol. 11, No.1, BroadSource is a synchronized source with two gun...


A New Seismic Method to Significantly Improve Deeper Data Character and Interpretability

Andrew Long, Guillaume Cambois, Gregg Parkes, Anders Mattsson, Terje Lundsten, Mazin Farouki

Indonesian Petroleum Association

... acquisition has been tested in the southern Browse Basin during 2008 in an effort to remove both source ghost and receiver ghost effects from towed streamer...


Abstract: Physical Modeling for Azimuthal AVO Over a Simulated Fractured Medium; #90174 (2014)

Faranak Mahmoudian, Gary F. Margrave, and Joe Wong

Search and

... the overlapping of the primary and ghost events. The picked reflection amplitudes required corrections to make them suitable for an AVAZ study. In addition...


Marine Seismic Sources: Part II: Air-Gun Arrays for Non Experts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... are caused by the source ghost. Note that the primary-to-bubble ratio is frequency dependent. source directivity In seismic surveying, air-gun arrays...


Modern Marine 3D Seismic Acquisition - Technical Considerations

Chris Walker

Petroleum Exploration Society of Australia (PESA)

.... The resultant information is plotted in a polar form, similar to that used for displaying the directivity response of the seismic source and a typical...


Direction of Crustal Movements Indicated by Earthquake Data: ABSTRACT

William Stauder

AAPG Bulletin

... of other methods, including the use of S waves and the application of surface waves in determining the directivity, dimensions, and initial phase...



Liquan Zheng, Xianqing Li, Ningning Zhong, Xia Lu, Xiangkun Guo

The Society for Organic Petrology (TSOP)

... the directivity of coal rank strip in south of North China becomes more obvious. Its long axis occurs a line of Jiyuan, Zhengzhou and Yongcheng...


Seismic Frequency Bandwidth Constraints in Deepwater Locations

Andrew Long, Iain Buchan

Indonesian Petroleum Association

..., 3/12 – 206/276 filter settings (Hz/dB per octave), 2 ms sample rate 28° C water temperature Note that any source or receiver directivity effects...


ABSTRACT: Restoring High Resolution in Surface Seismic Data; #90051 (2006)

Khalid Alrufaii, Kangan Fang

Search and

... exploration and development efforts. The resolution of seismic data is affected by many factors such as acquisition layout, strength and directivity...


Land Seismic Source Study: ABSTRACT

William A. Schneider

AAPG Bulletin

... spectra, source repeatability, source directivity, and intensity levels from downhole measurements, (2) comparison of surface-wave noise-generation...


Amplitude Versus Offset (AVO) Analysis: Part 7. Geophysical Methods

Allan T. Long, R. C. Anderson

AAPG Special Volumes

.... These corrections are distributed among the surface terms of source, receiver, and offset, plus a single subsurface (CDP or geological) term...


Thermodynamic Basis for Regularity in the Distribution of Oil and Gas Fields

M. A. Lipovskiy

Petroleum Geology: A Digest of Russian Literature

... of formation of pools and from the point of view of possible chemical processes of formation of oil and gas from source material. This problem has not yet...


Marine Seismic Data Acquisition: Part 7. Geophysical Methods

James F. Desler

AAPG Special Volumes

... seismic data acquisition techniques and capabilities have advanced at a rapid pace over the past few years. Today the typical marine seismic source is much...


A Sound Exposure Level (SEL) Study for a 3D Seismic Survey off the WA Coastline, Browse Basin

Andrew S. Long, Jens F. Wisløff, Jaafar Ali, Averrouz Mostavan, David Hedgeland, Alec J. Duncan, Amos L. Maggi, Jeremy Colman

Petroleum Exploration Society of Australia (PESA)

... Statement 2.1 gives specific guidelines regarding acceptable 12300 Sound Exposure Levels (SEL) vs distance thresholds from a seismic source location...


Hearing with Light!

Paul Wood

GEO ExPro Magazine

... a wide frequency range and with a 120dB dynamic range at every point along the fibre. Directivity, equivalent to threecomponent recording...


Multi-Source Design and Penta Source Case Study from the NWS Australia

Edward Hager, Phil Fontana

Petroleum Exploration Society of Australia (PESA)

... the spacing as this would give rise to source directivity problems. Making the spacing narrower would result in smaller cross-line bins which would only...


'Willy And Flipper' On Front line Of Anti-Seismic Campaign

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... community is engaging in an emotional propaganda campaign, pitting 'Willy and Flipper' against the oil and gas industry as it looks at switching its gaze...


Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden

Swee Leng NG, Martin Bayly

Indonesian Petroleum Association

... to compensate for the distortions. • In this paper we discuss this new method and demonstrate its application with a seismic dataset from the Malay Basin...


Expected Ground Shaking Intensities from a Magnitude 7 Earthquake on the Monte Vista-Shannon and Santa Clara Thrust Faults, Santa Clara Valley, Santa Clara County, California

Kenneth W. Campbell, Paul C. Thenhaus, Eugenia M. Sangines, Hope A. Seligson

Pacific Section SEPM

... ground shaking caused by the nearsource effects of source directivity (focusing) and radiation pattern. Based on the results of this study, we suggest...


3D Seismic from Planning to Mapping

A. Kullerud, O. Nipen, H. E. Nordberg

Indonesian Petroleum Association

... probably will occur in the Alpha north and the Gamma area. Consequently a good in-line directivity is desired, i.e. the source energy will be focused...


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