Distributed Acoustic Sensing Vertical Seismic Profiling (DAS VSP) in an Exploration Well in the Gulf of Mexico—Case Study

A. Martinez, S. Ali, G. Zemlicka, S. Ruiz, C. Moyer, G. Richard, E. Bergersen, T. Campbell, B. Adkins, and J. Bassil

GCAGS Transactions

...) utilizes geophones strung at various depths within a borehole to record shots from a rig-deployed air-gun source, in the case of a Zero Offset VSP...

Acoustic modelling with elastic AVA effects

Robin P. Fletcher, James Hobro, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

... effects with terms that control linearized elastic reflection amplitude effects. We focus on the modelling and do not detail its potential use within FWI...

Abstract: Remote Classification of Seabed Types Derived from Interferometric Sonar Data, by S. Hadden and C. Green; #90923 (1999)

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Thermodynamic Basis for Regularity in the Distribution of Oil and Gas Fields

M. A. Lipovskiy

Petroleum Geology: A Digest of Russian Literature

... of formation of pools and from the point of view of possible chemical processes of formation of oil and gas from source material. This problem has not yet...

Marine Seismic Data Acquisition: Part 7. Geophysical Methods

James F. Desler

AAPG Special Volumes

... seismic data acquisition techniques and capabilities have advanced at a rapid pace over the past few years. Today the typical marine seismic source is much...

Efficient acquisition and imaging of high-resolution seismic data with the continuous wavefields method

Tilman Klver, Torben Hy

International Meeting for Applied Geoscience and Energy (IMAGE)

... by different sources. This method provides significant improvements in source-side sampling both inline and crossline without penalty on acquisition...

A Sound Exposure Level (SEL) Study for a 3D Seismic Survey off the WA Coastline, Browse Basin

Andrew S. Long, Jens F. Wisløff, Jaafar Ali, Averrouz Mostavan, David Hedgeland, Alec J. Duncan, Amos L. Maggi, Jeremy Colman

Petroleum Exploration Society of Australia (PESA)

... Statement 2.1 gives specific guidelines regarding acceptable 12300 Sound Exposure Levels (SEL) vs distance thresholds from a seismic source location...

Multi-Source Design and Penta Source Case Study from the NWS Australia

Edward Hager, Phil Fontana

Petroleum Exploration Society of Australia (PESA)

... the spacing as this would give rise to source directivity problems. Making the spacing narrower would result in smaller cross-line bins which would only...

Evaluating HD weathering surveys and surface seismic with DAS in a sand dune environment

Andrey Bakulin, Ezzedeen Alfataierge, Roman Pevzner

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Distributed Acoustic Sensing (DAS) offers a potentially more attractive alternative with less cost, provided the directivity challenge can be solved. DAS...

Hearing with Light!

Paul Wood

GEO ExPro Magazine

... a wide frequency range and with a 120dB dynamic range at every point along the fibre. Directivity, equivalent to threecomponent recording...

The application of phased-array vibrator system in deep seismic exploration

Minghao Yu, Xiangbo Gong, Xiaojie Wan

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the phased-array vibrator system, which is a special phased-array vibrator system with a delay time of 0ms. The source signal and its correlation detection...

'Willy And Flipper' On Front line Of Anti-Seismic Campaign

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... community is engaging in an emotional propaganda campaign, pitting 'Willy and Flipper' against the oil and gas industry as it looks at switching its gaze...

Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden

Swee Leng NG, Martin Bayly

Indonesian Petroleum Association

... to compensate for the distortions. • In this paper we discuss this new method and demonstrate its application with a seismic dataset from the Malay Basin...

Expected Ground Shaking Intensities from a Magnitude 7 Earthquake on the Monte Vista-Shannon and Santa Clara Thrust Faults, Santa Clara Valley, Santa Clara County, California

Kenneth W. Campbell, Paul C. Thenhaus, Eugenia M. Sangines, Hope A. Seligson

Pacific Section SEPM

... ground shaking caused by the nearsource effects of source directivity (focusing) and radiation pattern. Based on the results of this study, we suggest...

ABSTRACT: A New Gradient Operator with Applications in Geophysics, by Alfaraj, Mohammed; Wang, Yuchun E.; Luo, Yi; #90141 (2012)

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Exploring naturally fractured reservoirs: A case study

Anand Prakash, Manayer Al-Abdullah, Abu Ghneej Ali Faleh Naser, Al-Otaibi Talal Mutlaq Mohammed, Bhaskar Chakrabarti, Rinaldi Mulyono, Vishnu Chilumuri, Al-Meshilah Thuwaini, Talal F. Al-Adwani, Amar Nada Mohamad Amar, Al-Otaibi Ahmad Homoud

International Meeting for Applied Geoscience and Energy (IMAGE)

...’ are excellent source rocks and unconventional shale hydrocarbon reservoirs. The Lower, Middle and Upper Najmah Limestone units mainly consist...

Acquisition trial of deep smart DAS uphole: Evaluating high-productivity drilling with dual rotary and fiber cable deployment

Andrey Bakulin, Ezzedeen Alfataierge, Richard Berquist, Francois Hermal

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the shallowest traces due to the near-field effect and offset source. Finite-difference simulation with proper DAS gauge length and directivity modeling...

Application of generalized radon transform migration to crosswell seismic geometry

Shujaat Ali, Olga Podgornova, Takashi Mizuno, Joel Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... with a magnetically clamped Z-Trac source (Nalonnil et al., 2013) that uses two orthogonal horizontal force downhole vibrators to generate seismic signal...

3D Seismic from Planning to Mapping

A. Kullerud, O. Nipen, H. E. Nordberg

Indonesian Petroleum Association

... probably will occur in the Alpha north and the Gamma area. Consequently a good in-line directivity is desired, i.e. the source energy will be focused...

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

... what it would be with vertical incidence. The directivity of source and receiver arrays also reduces steep dip resolution, mainly by distorting...

Assessment of the permanent seismic sources for borehole seismic monitoring applications: CO2CRC Otway Project

Sinem Yavuz, Julia Correa, Roman Pevzner, Barry Freifeld, Todd Wood, Konstantin Tertyshnikov, Sofya Popik, Michael Robertson

Petroleum Exploration Society of Australia (PESA)

... geosequestration applications. Additionally, the repeatability of both source and receiver location has a big impact on the effectiveness...

Acquisition geometry design based on full-wavefield migration

Billy A. Revelo Obando, Gerrit Blacquire

International Meeting for Applied Geoscience and Energy (IMAGE)

... matrix, respectively. Together they describe the survey geometry as well as the source and receiver properties (directivity, sensitivity, etc.). Matrix...

DAS seismic monitoring of the shallow CO2 controlled-release experiment at the South West Hub In-Situ Laboratory

K. Tertyshnikov, R. Pevzner, B. Freifeld, L. Ricard, A. Avijegon

Petroleum Exploration Society of Australia (PESA)

... and general application to seismic exploration. The approach uses fibre optic cables to record seismic energy; such receivers have a certain directivity...

Feasibility and QC of 4D Reservoir Monitoring Projects

Andrew Long, Per Arild Reksnes, Barbara Kajl, Martin Widmaier, Sverre Strandenes

Petroleum Exploration Society of Australia (PESA)

... number of streamers separated by 25m (bin -sizes as smal l as 6.25 m x 6.25 m). Furthermore, single-source acquisition has become cost-effective...

Abstract: Towards Using Seismic Moment Tensor Inversions to Infer Reservoir Rock Properties; #90174 (2014)

Adam M. Baig, Ted I. Urbancic, Eric von Lunen, and Jason Hendrick

Search and Discovery.com

... the propagation of the event away from the source. The source term contains a directivity described by the moment tensor that, in turn, describes the radiation...