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The AAPG/Datapages Combined Publications Database

Showing 398 Results. Searched 195,354 documents.

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Gas Well/Water Well Subsurface Contamination: Tools of Investigation; #80292 (2013)

Rick Railsback

Search and Discovery.com

...  (hydrophone) • Will detect flow within wellbore or  behind pipe • Turbulent fluid flow • Gas expansion • Disturbance of gas/liquid interface Noise Logs...

2013

Gas Well / Water Well Subsurface Contamination; #80339 (2013)

Rick Railsback

Search and Discovery.com

... Surveys) • Sensor is an underwater microphone  (hydrophone) • Will detect flow within wellbore or  behind pipe • Turbulent fluid flow • Gas expansion...

2013

Seismic Imaging of the SW South China Sea Deep Crustal Structure Shows Evidence for a Ductile Lower Crust during Rifting; #30404 (2015)

M. Delescluse, T. Pichot, N. Chamot-Rooke, M. Pubellier, Y. Qiu, G. Sun, J. Wang, J.-L. Auxiètre

Search and Discovery.com

... OBS = Ocean Bottom Seismometer • Hydrophone (records pressure variations) • Geophones (f>4.5Hz): records ground motion on three components...

2015

Experiences with Dual-Sensor Towed Streamer Acquisition and Imaging in the Eastern Mediterranean, #41831 (2016).

Martin Widmaier, Oystein Lie

Search and Discovery.com

.... Lie, 2010, Comparison of deep tow conventional hydrophone and dualsensor streamer seismic offshore Egypt (abstract): SEG Technical Program Expanded...

2016

Why Make Jungle Acquisition More Difficult? Leave the Cables in the Warehouse

Greg J. Schurter, Supriyono, James Keggin, Michael Pfister, Dave Howe, Mark Foster

Indonesian Petroleum Association

... of the hydrophone, the pressure sensor equivalent of the geophone. Near the end of WWI, military interests had begun developing technology for deploying...

2010

Sources of Data

Mike Shepherd

AAPG Special Volumes

... motion into electronic signals. The offshore equivalent of a geophone is a hydrophone, which records the pressure pulses returning through the sea...

2009

Seismic Refraction and Reflection Studies in the Timor-Aru Trough System and Australian Continental Shelf: Convergent Margins

R. S. Jacobson , G. G. Shor Jr. , R. M. Kieckhefer , G. M. Purdy

AAPG Special Volumes

... ship. Hydrophone suspensions were modified by the addition of wax floats and lead weights to decouple the hydrophone from the surface motion...

1979

Regional Geologic Framework Off Northeastern United States

John Schlee , John C. Behrendt , John A. Grow , James M. Robb , Robert E. Mattick , P. T. Taylor , Barbara J. Lawson

AAPG Bulletin

... penetration (about 7 sec two-way travel time on the shelf) achieved through computer enhancement of returns recorded from a 24-channel hydrophone...

1976

Seismic Imaging Technology: Part I: Acquisition

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

.... Ideally, is it necessary to shoot from “all” directions? In the late 1980’s Texaco attempted to develop vertical hydrophone cables for full azimuth...

2008

Reservoir Monitoring Technology

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... in 1986, because survey vessels towing lengthy hydrophone streamers have to steer well clear of permanent field installations (particularly platforms...

2009

Reservoir Monitoring Technology Part IV: The Valhall LoFS Project

Olav Inge Barkved, Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... geophones and one hydrophone) provide a live signal throughout each survey. The cables are connected to a recording system at the central platform...

2009

Report on Investigations to Delineate the Ancestral River Valley Systems of the Chesapeake Bay

J. R. Schubel, C. F. Zabawa

Atlantic Geology

..., approximately 250 joules, is concentrated at a frequency of about 5000 Hz. The reflected signals were received with a tenelement hydrophone array, filtered...

1972

The Impact of Modern Seismic in an Old Field

A. M. Kamis, W. R. Van Der Vlugt

Southeast Asia Petroleum Exploration Society (SEAPEX)

... using a Telseis spread (Figure 4). In this survey, data transmission from hydrophone to recording instruments was carried by FM radio transmitters...

1988

High-frequency FWI on Clair OBN dataset Challenges and successes

Matvey Romanenko, Lee Saxton, Dan Davies, James Sheng, Faqi Liu, Jan Gromotka, Yang He

International Meeting for Applied Geoscience and Energy (IMAGE)

... was smoothed prior to FWI. FWI was run on raw hydrophone field data for the first four frequency bands (3 Hz, 5 Hz, 6 Hz and 8 Hz) with multiple iterations...

2023

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

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... sources (two air-gun arrays) and 12 hydrophone cables equipped for a 3D investigation. GeoExPro Vol. 7, No. 2, March 2010 Copyright © 2018...

2010

Marine Seismic Sources: Part III: A Feeling for Decibels

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... that would be measured by a single hydrophone (reference 1 µPa @ 1 m) in the water. To convert to sound pressure of a similar intensity in air...

2010

Marine Seismic Sources: Part IV

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... recorded on large aperture hydrophone arrays are mono-pulsed, lasting 100 μs, and have pronounced directionality, with extremely intense (on-axis) source...

2010

Alaska: The Start of Something Big

Thomas Smith

GEO ExPro Magazine

... out the newly acquired lease area. They used hydrophone soundings around lakes (dynamite had been banned in the protected Moose Range) to map...

2011

North Belut 3D Seismic Processing Experience: The First High-Resolution High-Density Q-Marine Survey Conducted in Indonesia

Andreas T. Waluyo, Michael I. Challis

Indonesian Petroleum Association

... • • • • • • • • • • • • • • • • • Input data at 6.25m hydrophone spacing (804 traces per cable) Calibrated Marine Source processing including Debubble Q-Receiver...

2008

Marine Seismic Sources: Part XII: Sound in the Sea

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... of underwater detection systems. The French physicist Paul Langevin developed what he termed a "hydrophone" as a mechanism for ships to more readily detect...

2012

Broadband Seismic Technology and Beyond: Part IV: PGSs GeoStreamer „ Mission Impossible

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... with an elegant solution. He suggested simply estimating from the hydrophone signal what the ideal geophone recording should be for GEO ExPro...

2013

Broadband Seismic Technology and Beyond: Part V: PGS's GeoStreamer „ A Double Win

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... to overcome many historical geophysical and operational challenges of conventional hydrophone-only streamers. The GeoStreamer is a ‘double win’. LASSE...

2013

Broadband Seismic Technology and Beyond: Part VII: CGGs BroadSeis „ A Change of Thinking

Lesse Amundsen, Martin Landrø

GEO ExPro Magazine

... in the hydrophone data, or towing pairs of streamers at different depths to yield a fuller frequency range by combining the streamer measurements into deghosting...

2014

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