First Look at Seismic Data from a Towed Dual-Sensor Streamer

Andrew Long, Natasha Hendrick, Rune Tenghamn

Petroleum Exploration Society of Australia (PESA)

... spectrum) is matched to the flat zero phase hydrophone spectrum. This step takes in to acco unt the difference in the sens it ivities between the two...

Risk Management in Exploration and Production; #41889 (2016)

Sudhir Pai, Tim Perrin

Search and Discovery.com

... criteria indicate consistent performance QSB-OBC 6.0 s 0.0 s Field test results show data quality of 3DSA single hydrophone CRG and Q-Seabed hydrophone...

Improving Seismic Quality

Jane Whaley

GEO ExPro Magazine

.... The development of WesternGeco’s Q-Marine, which uses a fully-braced acoustic network to position each hydrophone, allowed the theoretical concept of Over/Under...

Marine Seismic Sources: Part I: Air-Guns for Non Experts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... by a hydrophone below the gun, has three characteristic features: the direct arrival produced when the gun fires; the source ghost; and the bubble...

Enhancing Resolution and Improving Imaging: The New Dual-Sensor Seismic Streamer

Natasha Hendrick, Andrew Long, Rune Tenghamn

Indonesian Petroleum Association

... receiver-ghost wavefield with opposite polarity. The down-going pressure wavefield recorded by a hydrophone will have the opposite polarity to the up...

3-D Seismic Data Acquisition in Southern Louisiana: Considerations for Technical and Commercial Success [Abstract]

Steve Knapp, Kevin Callaghan, Randy Sides

New Orleans Geological Society

... drilling rig for placement of hydrophone in water filled hole. D) Airgun barge operation in the Mississippi River. Surveys of this type require...

Simultaneous 3D 4C - OBC & VSP Walkaway Survey in the Attaka Field, East Kalimantan, Indonesia

Bill Borland, Phil Johnston, Mike Reblin, Suta Vijaya, Omar Kulbrandstad, Muhammad Idrees, Scott Leaney, Jan van de Mortel

Indonesian Petroleum Association

... on the ocean bottom. Each 3-component receiver station will also have a hydrophone, thus is commonly referred to as 4-component Ocean Bottom Cable recording...

Deep Seismic Exploration of the South Caspian Basin: Lithosphere-Scale Imaging of the World's Deepest Basin

James H. Knapp, Camelia C. D. Knapp, John A. Connor, John H. McBride, Mike D. Simmons

AAPG Special Volumes

... parameters (airgun source of 52,111 cm3 [3180 in.3] at 1900 psi [13 MPa], 25 m [82 ft] hydrophone spacing, 5100 m [17,716 ft] streamer length, 4 ms...

ABSTRACT: CRUSTAL-SCALE IMAGING OF THE ABSHERON RIDGE (SOUTH CASPIAN SEA) REVEALED BY DEEP SEISMIC REFLECTION PROFILING; #90024 (2004)

Camelia C. Diaconescu, James H. Knapp, John Connor

Search and Discovery.com

... recorded with standart industry parameters (airgun source of 3180 cm3 at 1900 psi, 25 m hydrophone spacing, 50 m shot spacing, 5400 m streamer lentgh, 4...

Listening with Light!

Jane Whaley

GEO ExPro Magazine

... Hydrophone Each optical sensing unit contains 3 fibre-optic accelerometers and a hydrophone. Light pulsed down the fibres is reflected off mirrors...

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

Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth

GEO ExPro Magazine

...-field hydrophone measurements (Ziolkowski 1982, Poole 2013). This acquisitionbased approach delivers a more accurate estimation of the bubble effect...

Extending the Range and Geographical Applicability of the Q-Marine Solution

Tim Bunting

Petroleum Exploration Society of Australia (PESA)

... which utilise dual-streamer collected. Up until now t his has been achieved 1 Hz) of the raw sing le sensor hydrophone tow depths to mit igate...

Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 7: Shallow 3-D Seismic and a 3-D Borehole Profile at Ekofisk Field

John A. Dangerfield

AAPG Special Volumes

... × 2 km survey was collected with flip-flop acquisition, using single water guns as the sources, and recording 1.5 s of data. The twin hydrophone cables...

Analysis of High Resolution Seismic Data: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation

Herman C. Sieck, George W. Self

AAPG Special Volumes

..., and a towed transducer array with an accompanying towed hydrophone. One such system is Acoustipulse®, which is a single channel, high resolution, marine...

Abstract: Sub-Salt and Sub-Basalt Imaging Using Long Offset and Multicomponent Seismic Data, by J. Gaiser, N. Jones, and P. Fontana; #90923 (1999)

Search and Discovery.com

Understanding Planet Earths Processes: Transformative, Real-Time, Cabled Ocean Observatory, North-East Pacific (WHERE/NEPTUNE Canada)

Search and Discovery.com

..., and a laser optical plankton counter. A hydrophone will be deployed in the vicinity of the canyon, which will be able to detect slope failures...

Abstract: Benefits of Hydrophones for Land Seismic Monitoring; #90172 (2014)

Eric Forgues, Estelle Rebel

Search and Discovery.com

... in m/s. An impedance of 2*106 kg/m-2/s-1 (1600 m/s * 1225 kg/m3) is used to balance hydrophone and geophone responses. This correction is applied to all...

Abstract: Efficient Broadband Marine Acquisition and Processing for Improved Resolution and Deep Imaging; #90172 (2014)

Ed Kragh, Tim Brice, Tony Curtis, Josef Heim, Deepak Kapadia, Morten Svendsen

Search and Discovery.com

... idea for depths of 6 m and 20 m. The left panel shows the vertical incidence hydrophone ghost notches and the right panel shows stacked images...

First Results of Inaugural Deployments of the Australian National Ocean Bottom Seismograph Fleet

Alexey Goncharov, Ashby Cooper, Peter Chia, Michal Malinowski

Petroleum Exploration Society of Australia (PESA)

... Hz) seismometer with a titanium housing; (2) hydrophone (flat frequency response from 1 Hz to 30 KHz) attached to the fourth channel of the digitiser...

Marine Multicomponent Seismic – The New Issues in the Developing Revolution

Jason Robinson

Indonesian Petroleum Association

... consist of a hydrophone, a vertical geophone and two horizontal geophones oriented perpendicular to one another. Conventional marine towed streamers...

Recording and Processing Procedures for Multi-channel Seismic-Reflection Data Collected in the Western Ross Sea, Antarctica

S. V. Dadisman, H. F. Ryan, D. M. Mann

Circum Pacific Council Publications

... long, 24-channel hydrophone streamer connected to a high-density digital recording system. During most of the cruise 12 sec of M C S data were recorded...

Broadband Data from Flat Streamers: Considerations for Acquisition and Processing

Phil Fontona, Edward Hager

Indonesian Petroleum Association

...” hydrophone-only streamers towed at a single depth. The basic premise of these techniques relies on there being sufficient signal-to-noise at the frequencies...

Magnetic and Seismic Reflection Studies on Continental Shelf off Portuguese Guinea, Guinea, and Sierra Leone, West Africa

Robert L. McMaster , Jelle De Boer , Asaf Ashraf

AAPG Bulletin

... pressures and was fired at 1- or 2-sec intervals. The hydrophone array, 8 m long, contained 10 variable-reluctance, pressure-sensitive detectors...

Grabbing a Larger Share of the Market

Halfdan Carstens

GEO ExPro Magazine

... and one hydrophone; two of the geophones are used for particle velocity measurements in horizontal directions, one is used for particle velocity...

Long Beach Unit 3-D Survey

George E. Otott Jr., Donald D. Clarke, Todd A. Buikema

Pacific Section of AAPG

... 1995. Only geophones were placed on the beach and in the surf zone. Beyond the surf zone, geophone/hydrophone pairs were placed at each receiver...