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The AAPG/Datapages Combined Publications Database

Showing 2,009 Results. Searched 188,956 documents.

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Two-dimensional seismic refraction tomography of a buried bedrock valley at Hallsands beach, Devon, United Kingdom

Eric B. Avalos, David H. Malone, Eric W. Peterson, William P. Anderson, and Roland W. Gehrels

Environmental Geosciences (DEG)

... to the beach and 7 normal to the beach, with either 12 or 24 geophones at 5-m (16-ft) spacing. Eight sediment cores were used to calibrate the velocity model...

2016

Modification of Sediment Size Distributions

William F. Tanner

Journal of Sedimentary Research (SEPM)

... components), censoring of a single component, truncation of a single component, filtering of a single component, or a combination of these. Simple mixing...

1964

Spatial Analysis of Basement and Cover Linears by Optical Diffraction - Methods, Results, and Interpretation

Howard J. Pincus, Thomas W. Doe

Utah Geological Association

.... The networks of very fine, parallel lines in the filtered images are artifacts introduced by the filtering. We can suppress this effect where...

1974

ABSTRACT: Structural Filter

Dong Liu

Houston Geological Society Bulletin

.... By preserving edge effect, the filter can also preserve lateral amplitude variation with offset (AVO) in most horizontal and dipping events presented...

2012

Analysis Techniques and Signal Enhancement Methods Applied to the Bellshill Lake Stratigraphic Trap Program: ABSTRACT

R. J. Graebner, D. F. Brennan

AAPG Bulletin

... record quality, to examine the effect of each factor on the signal-to-noise ratio, and to evaluate the field techniques developed from the test results...

1963

Analysis Techniques and Signal Enhancement Methods Applied to Bellshill Lake Stratigraphic Trap Program: ABSTRACT

R. J. Graebner, D. F. Brennan

AAPG Bulletin

... which influenced record quality, to examine the effect of each factor on the signal-to-noise ratio, and to evaluate the field techniques developed from...

1963

Southern Green River Basin/Moxa Arch

Scott L. Stockton, C.M. Hawkins

Rocky Mountain Association of Geologists

... of high-resolution techniques. These include high-frequency geophones (30 Hz), and a short group interval (110 ft). Dynamite source was used because...

1985

Characterization of Fracture Length and Conductivity from Tracer Test and Production Data with Ensemble Kalman Filter

Siavash Hakim Elahi, Behnam Jafarpour

Unconventional Resources Technology Conference (URTEC)

... a small-scale earthquake event that can be recorded by geophones, and subsequently processed and analyzed to locate the event source and estimate its...

2015

Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

... of only 2 msec, a modest amount, the effect is attenuation of frequencies above 90 Hz. Improve resolution thus requires less filtering because...

1976

Two-step filtering of ground magnetic data for archaeological investigation at Sungai Batu, Kedah, Malaysia

Sabiu Bala Muhammad, Rosli Saad, Mokhtar Saidin, Rais Yusoh, Mustapha Adejo Mohammed, Yakubu Mingyi Samuel

Geological Society of Malaysia (GSM)

...Two-step filtering of ground magnetic data for archaeological investigation at Sungai Batu, Kedah, Malaysia Sabiu Bala Muhammad, Rosli Saad, Mokhtar...

2018

High Frequency Borehole Seismic Acquisition and Its Applications for Reservoir Delineation of the Bunyu Field, Onshore Kalimantan, Indonesia

Adriansyah, Patricius Sembiring, Mohammed Badri, Azhar Akhtar

Indonesian Petroleum Association

... energy to be captured at an increasing distance away from the well. This approach minimizes the effect of near surface scattering of seismic energy...

2005

A Multi-Domain Approach to Completion and Stimulation Design in the Marcellus Shale

Courtney MacDonald, James Brewer, Mahmut D. Cakici, David Rampton, Karan Dick, Abhijit Mookerjee, Brian D. Clark, Utpal Ganguly

Unconventional Resources Technology Conference (URTEC)

... a first-pass filtering based on event magnitude and distance from the geophones placed in the vertical section of the monitor well, the microseismic...

2013

Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta

J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis

AAPG Bulletin

...Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis 1969...

1969

The Use of Seismic Refraction Method in Slope Failure Investigation

Khairul Anuar Mohd. Nayan, Rahman Yaccup, Abd. Rahim Samsudin, Umar Hamzah, Abd. Ghani Rafek

Geological Society of Malaysia (GSM)

... out with a Bison 5012 Instantaneous Floating Point seismograph which enable stacking of trace records with a 14 Ib hammer. The geophones were...

1997

Well Spacing and the Identification of Subsurface Drainage Systems

J.E. Robinson

CSPG Bulletin

... sufficient amplitude to overcome the effect of gridding. In this instance, filtering has done more harm than good, even though spatial filtering is one...

1981

Seismic Investigation of a Surface Collapse Feature at Weeks Island Salt Dome, Louisiana

Richard D. Miller, Jianghai Xia, Richard S. Harding, James T. Neal, John W. Fairborn, Don W. Steeples

Environmental Geosciences (DEG)

... (Healey et al., 1991) and arrays of three L28E 40-Hz geophones. On-site walkaway wave testing concentrated on source/receiver geometries and recording...

1995

Seismic Monitoring of Hydraulic Fracturing Activity at the Marcellus Shale Energy and Environment Laboratory (MSEEL) Site, West Virginia

Abhash Kumar, Erich V. Zorn, Richard Hammack, William Harbert

Unconventional Resources Technology Conference (URTEC)

... to the inherent high-cut/low-pass filtering property of the earth. As the borehole geophones are likely to be closer to the origin point of LPLD seismicity...

2017

Extended Abstract: Analysis of a Discontinuity Surface within Point Bar Deposits of False River, Louisiana

Martial J. Morrison, Juan M. Lorenzo, Peter D. Clift, Kory M. Konsoer

GCAGS Transactions

..., using 24 horizontal component geophones at 1-m spacing. The seismic source consisted of a ground recoil device that fires a shotgun shell horizontally...

2016

Multi-Component Digital Receivers: Comparison of Subsurface and Conventional Surface Datasets; #41566 (2015)

Tagir Galikeev, Jason Criss, Vince Rodych

Search and Discovery.com

... are widely used in the seismic industry and have better and broader amplitude and phase characteristics than conventional geophones, which translates...

2015

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).

Geoff Mansfield, Subhash Chandra, Peter Carver

Search and Discovery.com

..., intervals, charge sizes, and hole patterns ii. Different receiver intervals, arrays, and depths iii. Single geophones cemented into place iv. Swath...

2016

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).

Geoff Mansfield, Subhash Chandra, Peter Carver

Search and Discovery.com

..., intervals, charge sizes, and hole patterns ii. Different receiver intervals, arrays, and depths iii. Single geophones cemented into place iv. Swath...

2016

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