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The AAPG/Datapages Combined Publications Database

Showing 788 Results. Searched 191,995 documents.

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Abstract: A Digital Telemetry System Implementation of the Dual-Sensor, Bottom-Cable Method

F. J. Barr, J. I. Sanders, D. A. Chamberlain

Geological Society of Malaysia (GSM)

...-sensor method has been implemented. This method places a gimbal geophone unit with each hydrophone in the bottom-cable. The signals from the geopltone...

1991

Slope Stability Monitoring at Boron: ABSTRACT

R. B. Kistler, J. C. Paulsen, L. L. Thomas

AAPG Bulletin

... venture between U.S.BORAX and the U. S. Bureau of Mines. The main components of the system are a bore-hole geophone or electromechanical transducer...

1968

Abstracts: Recovery of Low Frequency Data from 10Hz Geophones; #90173 (2015)

Malcolm B. Bertram, Gary F. Margrave

Search and Discovery.com

... was prompted by a discussion about geophone response at low frequencies, and that the response of a 70% damped element can be approximated by a second-order...

2015

Time-Lapse Imaging of Heavy Oil Reservoirs at Shallow and Deep Using Ultra-Stable Seismic Sources; #41994 (2017)

Junzo Kasahara

Search and Discovery.com

... or 3D geophone array. Using residual waveforms of before and after the injection of vapor or super critical CO2 to reservoirs, we can image the time...

2017

Anisotropy analysis from 3D VSP surveys acquired at Otway site

Sofya Popik, Andrej Bona, Roman Pevzner

Petroleum Exploration Society of Australia (PESA)

... already been reported at the Otway site. Comparison of geophone and DAS VSP data and its application for anisotropy analysis is presented...

2019

Abstract: 4D, 4C: A First for Western

Larry Scott

Petroleum Exploration Society of Australia (PESA)

... time. The 4-C aspect of the survey refers to the use of a three-component geophone and hydrophone at each receiver station. Western Geophysical...

1997

Abstract: Quantitative Evaluation of the Quality of Seismic Repeatability: A Case Study using Differing Metrics; #90211 (2015)

Yajun Zhang and Douglas Schmitt

Search and Discovery.com

... and geophone positions, source signatures, geometry design, and CMP stack fold distribution. Some of the non-repeatability problems can be overcome...

2015

Broadband Seismic Technology and Beyond: Part II: Exorcizing Seismic Ghosts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... hydrophone and geophone measurements to attenuate the effect of ghost reflections from the sea surface. Hydrophone and geophone measurements at 13m...

2013

Exorcising the Ghosts … The New Streamer Technology Launched by PGS

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... to nine meters. hydrophone sensors (measuring pressure) and verti¬cal geophone sensors (measuring particle velocity), leading to improved resolution...

2007

Into the Abyss!

William Wills

GEO ExPro Magazine

... technological challenge is presented. In regions such as the Gulf of Mexico these geophone tools need to be designed to function within very hostile borehole...

2012

Adjustments of Velocity Logs to Tie Geophone Surveys

Warren Hicks

Oklahoma City Geological Society

...Adjustments of Velocity Logs to Tie Geophone Surveys Warren Hicks 1961 135 138 Kokesh, F. P. and Blizard, R. B.: Geometric Factors in Sonic Logging...

1961

Abstract: Comparison of Low-Frequency Data from Co-Located Receivers Using Frequency Dependent Least-Squares-Subtraction Scalars; #90172 (2014)

Kevin W. Hall, Gary F. Margrave, Malcolm B. Bertram

Search and Discovery.com

... sensors recorded on a Sercel 428XL system. The 10 Hz geophone spread was laid out as 80 geophones at 1m spacing to provide more detail of surface motion...

2014

Recording Seismic Data to Evaluate Subtle Subsurface Prospects

Joy J. Anneler

Houston Geological Society Bulletin

... attention must be directed at the weathering problem. The length of cable, geophone response, number, and spacing of geophones per group, group...

1987

Abstract: Low-frequency vibroseis acquisition experiment in Saudi Arabia; #90254 (2016)

Nabil Khadiri Yazami, Van C. Do, Waleed N. Omar, Thierry L. Tonellot

Search and Discovery.com

.... Further amplitude recovery for frequencies below 10 Hz was achieved by applying a geophone inverse filter. We also show the benefits of this low frequency...

2016

Abstract: Processing Challenges and Technologies of Ocean Bottom Node Survey; #90319 (2018)

Ahmed A. Alghamdi, Huang Mingzhong, Saud Aldeghaither, Constantinos Tsingas, Mamadou S. Diallo, Bader Alqarni

Search and Discovery.com

... data before summation is a necessary step for both hydrophone and geophone components to address Scholte and guided waves, high amplitude spikes, air...

2018

Using Multiple Downhole VSP Arrays for Monitoring and Locating Passive Microseisms in the Oil Reservoirs; #41561 (2015)

Zuolin Chen

Search and Discovery.com

... monitoring network composed of multiple VSP downhole geophone arrays in the surrounding wells is calculated. Error analysis illustrates...

2015

Subsurface seismic imaging using drill bit noise

Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... and used to produce an image of the subsurface under the geophone array. A single pilot trace is commonly recorded on the drill string and used to convert...

2019

Dual-sensor streamer data analysis, resolution, penetration and interpretability for a regional deepwater 2D survey on the North West Shelf of Australia

Andrew Long

Southeast Asia Petroleum Exploration Society (SEAPEX)

... ghost attenuation has a significant additional benefit at depth. Keywords: Carnarvon Basin Calibration • Hydrophone • Geophone • Brute Stack • Raw...

2009

Lost Lake Salt Dome, Texas: GEOLOGICAL NOTES

T. Wasson

AAPG Bulletin

... this prospect goes to George M. Bevier, division geologist for the Pure Oil Company at Houston, Texas. The discovery was made by Geophone troup No. 3...

1927

Abstract: In-Situ Equipment Testing, Data Acquisition, and Field Processing of Vertical Seismic Profiles

William H. Borland, Cecelia Hong

Geological Society of Malaysia (GSM)

... quality, and geophone response changes during the survey whenever required. Processing can then be performed (either in realtime, depending on hardware...

1991

Abstract: Challenges of 4C Seismic Acquisition and Processing Offshore Sarawak (Paper 21)

Cyril Wong

Geological Society of Malaysia (GSM)

... component processing. In particular the Hydrophone-geophone combination processing and combined PSDM solution for pp and ps data. P and Z component...

2000

Seismic Data Acquisition Parameters, Northwest Montana: ABSTRACT

Charles C. Perry, Jr., Pete Galvan

AAPG Bulletin

... and reflection analysis, geophone patterns, energy input patterns, offsets, expanding spreads, and specific problems (i.e., traffic, freezing, thawing...

1983

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