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The AAPG/Datapages Combined Publications Database

Showing 2,206 Results. Searched 195,364 documents.

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Abstract: Increasing Seismic Resolution by Decreasing Receiver Spacing; #90171 (2013)

David C. Henley, Kevin W. Hall, Malcolm Bertram, and Eric Gallant

Search and Discovery.com

... of very closely spaced geophones recorded individually. Using 3C geophones spaced 1m apart, we demonstrated the benefits of seismic acquisition...

2013

Chapter 12: Microseismic Monitoring in Early Haynesville Development

Peter M. Duncan, William B. Barker, Leo Eisner, Peter G. Smith, Kevin Smith, Sherilyn Williams-Stroud

AAPG Special Volumes

.... The Haynesville posed some particular difficulties to monitoring with geophones placed at near reservoir depths in nearby wells. Being in the early stages...

2013

Geophysical Data for Geologic Study

R. C. Dunlap, Jr.

AAPG Bulletin

... reproducible characteristic makes possible the of one variable at a time. Thus, we can evaluate the effect of the single change. This brings us...

1956

The Seismic Exploration of the Mahakam Delta, or "Nine Years Shooting in Rivers, Swamps and Very Shallow Offshore"

Guy Roux

Indonesian Petroleum Association

... on surface shooting conditions. The efficiency of the air-gun system and of the pressure geophones was rapidly dropping where the water depth was less than...

1977

Abstract: On the Interpretation of Resonance Frequencies Recorded During Microseismic Experiments; #90187 (2014)

Jean Baptiste Tary, Mirko van der Baan, and David Eaton

Search and Discovery.com

...-frequency (5-50 Hz) resonance frequencies are found on the borehole geophones as well as two arrays of broadband stations on the surface. The spatial...

2014

TV Filter Decon Before and After Stack and Effect of Noise on Decon: ABSTRACT

John F. Bradshaw

AAPG Bulletin

... on the deconvolution process, the effect of the order in which the process is carried out, and the visual signal enhancement by filtering after...

1968

Accelerometer vs. Geophone Response: A Field Case History

Search and Discovery.com

... inverse filter and an empirical scaling constant. Acceleration-domain spectra from geophones and MEMS accelerometers from an oilfield survey at Violet...

2013

Abstract: Identification of local maxima in regional geochemical datasets

Stephen Amor

Atlantic Geology

... background is particularly high, for example in the Flowers River region, filtering the data has the equally desirable effect of drawing attention...

2013

Abstract: Crack-tip Stress Field, Coulomb Failure, and the Spectral Characteristics of Tensile Rupture; #90174 (2014)

David W. Eaton and Chad M. Hogan

Search and Discovery.com

... offset, given by the parameter τ. This model leads to a filtering effect represented by a factor ξ that modifies the spectra as follows: . (3) Figure 2b...

Unknown

History of Oil: A Time for Reflection

M. Quentin Morton

GEO ExPro Magazine

... the f ­ reezing of the ice had a similar effect. But that was in the days of old-style single-fold shooting, which was replaced by common depth shooting...

2022

Merging inverse-Q filtering and deconvolution

A. R. Schoepp, G. F. Margrave

CSPG Special Publications

...Merging inverse-Q filtering and deconvolution A. R. Schoepp, G. F. Margrave 1998 167 168...

1998

Wavelet transform filtering of tube waves

Bingwen Du, Larry Lines

CSPG Special Publications

...Wavelet transform filtering of tube waves Bingwen Du, Larry Lines 1998 198 199...

1998

Mapping Stratigraphic Traps with Seislog

Roy O. Lindseth

Indonesian Petroleum Association

... conventional seismic trace. This is due primarily to the filtering effects of the earth and the recording system which normally attenuates or removes...

1977

Abstract: Ground Roll Attenuation via SVD and Adaptive Subtraction; #90171 (2013)

Peter Cary and Changjun Zhang

Search and Discovery.com

...-shaped zones at near offsets about the source. Traditional filtering methods such as F-K or tau-p filtering can be very effective at attenuating ground...

2013

Abstract: Ground Roll Attenuation via SVD and Adaptive Subtraction; #90171 (2013)

Peter Cary and Changjun Zhang

Search and Discovery.com

...-shaped zones at near offsets about the source. Traditional filtering methods such as F-K or tau-p filtering can be very effective at attenuating ground...

2013

Structure of Colorado Basin and Continent-Ocean Crust Boundary off Bahia Blanca, Argentina: Rifted Margins

W. J. Ludwig , J. I. Ewing , C. C. Windisch , A. G. Lonardi , F. F. Rios

AAPG Special Volumes

... of hydrophones and sonobuoys). Low-frequency amplifiers for the detection of refracted waves were operated without low-cut filtering, hence the low...

1979

Basic Seismic Processing: Part 7. Geophysical Methods

Peter M. Duncan

AAPG Special Volumes

..., are removed by filtering the recording. Where organized (nonrandom) noise is recognized, one usually tries to determine the origin of this noise to better...

1992

The 'Geoseis' System: Seismic Prospecting with Detonating Cord - A Line Energy Source

D. W. Thompson

Petroleum Exploration Society of Australia (PESA)

... generation. Pulse Character A linear source such as detonating cord has a built-in directional frequency filtering effect not seen with point sources...

1985

Seismic Acquisition and Processing

Bruce S. Hart

Special Publications of SEPM

... recorded for each shot . The effect is identical, but uch ore cost effective, to oving the entire line of geophones . 26 26 Seis ic Acquisition...

2000

Computer Exploration in Graham County, Kansas: ABSTRACT

Joseph E. Robinson

AAPG Bulletin

... without the distorting effect of regional trends and conflicting small-scale features. A variety of computer techniques display potential prospects...

1983

Improving Depth Prediction Accuracy of Quantified Drilling Hazards

W. Scott Leaney, William H. Borland

Geological Society of Malaysia (GSM)

... frequency. The effect is that standard geophones are limited in the bandwidth that they can record and so even if sources could generate a broad-band...

1996

Abstract: Inverse scattering Internal Multiple Prediction on Physical Modeling Data; #90174 (2014)

M. Hernandez, K. Innanen, and J. Wong

Search and Discovery.com

... linear electric motors, arrays of small ultrasonic source and detector transducers, amplifiers, and signal digitization, see Figure1 (left panel...

2014

THE APPLICATION OF HIGH RESOLUTION SEISMOLOGY TO THE DELINEATION OF FAULTING AND COAL SEAM THICKNESS: A CONTINUING CASE HISTORY

Anthony R. Wagner

North Dakota Geological Society

... to a common datum based on the location of the geophones on the ground. In resampling and filtering, the frequency content of the data...

1984

Applications of Shallow High-Resolution Seismic Reflection to Environmental Problems

Richard D. Miller, William E. Doll, Carlene Merey, William E. Black

Environmental Geosciences (DEG)

... and geologic settings. Gochioco, L. M., 1991, Tuning effect and interference reflections from thin beds and coal seams: Geophysics, v. 56, p. 1288–1295...

1994

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