Better Accuracy from Sidescan Records: The Object-Chord Method

Malcolm James, P. M. Tong

Geological Society of Malaysia (GSM)

..., imponderables remain: the cable will not run in a straight line to the fish, the feathering angle will change, results will still show 20, 30, 40 metre...

Abstract: Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations (Paper 23)

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... distances and azimuths, large cable feathering angles, etc. We recommend during test-line evaluation to compare the velocity spectrum at a preselected CDP...

Abstract: Better Accuracy from Sidescan Records: The Object-Chord Method

Malcolm Jones

Geological Society of Malaysia (GSM)

... Jalan Ampang, 50450 Kuala Lumpur. Tel: 2434622/2434776/2434890. Telex: SCHLUM MA 31335. Cable: SCHLUMEAD. GEOLOGICAL SOCIETY OF MALAYSIA PETROLEUM...

CGG 3D Surface-Related Multiple Modelling: A Unique Approach, #41590 (2015).

David Le Meur, Antonio Pica, Terje Weisser

Search and Discovery.com

... and multiples through the target volume is modelled using the one-way wave equation. The method therefore handles well the problems of cable feathering...

“The Explosion in Marine Seismic Technology – How to Choose the Right Tool”

William S. French, Svein Vaage

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... Extensive modeling is used to design MC3D surveys for optimum delineation of all reservoir types present in the survey area. Marine Vertical Cable...

Three-Dimensional Seismic Method: Part 7. Geophysical Methods

Oz Yilmaz

AAPG Special Volumes

... geometries often complicate the process of stacking the data in a common-cell gather. Cable feathering in marine 3-D surveys can result in traveltime...

DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

... of feathering. But when the cable bends into curve and geophones are no more on a straight line, then there will still be the problem for applying shot profile...

Application of General Surface Multiple Prediction, a True Azimuth 3D Surface Related Multiple Elimination Technique, in the Deep Water Area of the Eastern Makassar Strait

Andreas T. Waluyo, Frank Büker

Indonesian Petroleum Association

..., a target test line was selected. The target test line is a sub-surface line formed from the combination of a source and an outer cable of a sailline...

Modern Marine 3D Seismic Acquisition - Technical Considerations

Chris Walker

Petroleum Exploration Society of Australia (PESA)

... source/twin streamer geometry was at the leading edge of technology. Today, with multi• vessel towed streamer configurations, ocean bottom cable...

Ocean Bottom Node (OBN) Seismic Survey at Gorgon Gas Field

Ronald Cupich, Birgit Cropp

Australian Petroleum Production & Exploration Association (APPEA) Journal

... imaging issues was modelled at various acquisition directions and compared to a full azimuth OBN solution. Also, cable feathering observed in legacy...

Essentials of Streamer Marine 3-D Surveys, by Malcolm Lansley, #40140 (2004).

Search and Discovery.com

The Technology of Long Cable Snubbing Fishing through Coiled Tubing in Horizontal Shale Gas Wells

Search and Discovery.com

Water column corrections: Joint water velocity inversion for 4D marine surveys

Didier Lecerf, Mathieu Lange, Andrew Oates, Jyoti Kumar

International Meeting for Applied Geoscience and Energy (IMAGE)

... estimation is not biased by dip effects and cable feathering. In the proposed method, each sail line is migrated independently using a reference homogenous...

Some 3D Seismic Applications Offshore Sarawak

Ronald Hoogenboom

Geological Society of Malaysia (GSM)

..., particularly in structurally complex areas, is the main advantage of 30 seisrnic over conventional 20. Streamer cable positioning errors in the Presented...

Ocean-bottom-cable dual-sensor summation: A robust approach

Jianwu Jiao, Stewart Trickett, Brian Link

CSPG Special Publications

...Ocean-bottom-cable dual-sensor summation: A robust approach Jianwu Jiao, Stewart Trickett, Brian Link 1998 101 102...

Re-imaging of 2D legacy data in Brazils Equatorial Margin via pseudo-3D model building

David Butler, Daryineth Fernandez, Oscar Perez, Raul Ysaccis, Jason Thekkekara, Juan Perdomo, Christopher McMorland, Aurora Rodriguez Castelan

International Meeting for Applied Geoscience and Energy (IMAGE)

...es. Limitations of 2D acquisition include out-of-plane energy which we are unable to image correctly and cable feathering. Additionally, legacy 2D acquisitio...

High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach

Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal

Indonesian Petroleum Association

... to strong currents in the area. This technique addresses poor far-offset coverage due to feathering variations (Priasati and Mustafa, 2011). Broadband...

Resolving geological complexity with legacy streamer survey, part 2: Application of DM FWI to sub-optimally acquired data

Nebojsa Pralica, Milos Cvetkovic, Seet Li Yong, Daniel Davies, Jon Rogers

International Meeting for Applied Geoscience and Energy (IMAGE)

... are extending the application of DM FWI to shorter cable lengths (6km and 7km) for 3D and 2D NAZ streamer data, focusing on Atlantic passive margin...

Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... in source-receiver distances and azimuths, large cable feathering angles, etc. We recommend during test-line evaluation to compare the velocity spectrum...

Shallow Water Seismic Operations on the North West Shelf

T. J. Allen, D. Brown, J. Wardell

Petroleum Exploration Society of Australia (PESA)

... types considered were the bay cable and the floating streamer. A bay cable is similar to the analogue cable used, but is allowed to sink to the bottom...

Illuminating Resolution

Paul Wood

GEO ExPro Magazine

... kilometres. But offshore, early 3D surveys had to be acquired with seismic vessels that towed only a single airgun array source and cable of hydrophone...

The contribution of recent developments in signal processing technology and geological constraints to the reimaging of narrow-azimuth streamer data in the north-eastern Gulf of Mexico

Hongyan Li, Jarred Hostetler, Nadxieli De La Rosa Perez, Hugo Enrique Munoz Cuenca, Zhao Ge, Wilson Ibanez, Courtney Steichen, Ruoyu Gu, Jarrod Hutson, Michiru Tomida

International Meeting for Applied Geoscience and Energy (IMAGE)

... slanted-streamer narrow-azimuth (NAZ) surveys. One survey was acquired using simultaneous shooting with four sources and an 8-km cable, and the other survey...

Hawaii Deep-Water Cable Program Phase I Study

G.N. Okura, G.A. Chapman

Circum Pacific Council Publications

...Hawaii Deep-Water Cable Program Phase I Study G.N. Okura, G.A. Chapman © Circum-Pacific Council for Energy and Mineral Resources 2009 – Transactions...

Aspects to the Resolving Power of 3D Seismic Surveys

Wolfgang Houba

Geological Society of Malaysia (GSM)

... data processing can also be achieved by dynamically changing the bin location according to the degree of cable feathering along the ship's track...

Highlights of 3D Surveys, Offshore Sarawak

H. J. E. Schmidt

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... This has resulted in the cost saving of mislocated wells and, in general, optimise appraisal and development drilling. Streamer cable positioning...