Beneficial impacts of receiver arrays on suppressing seismic speckle noise from near-surface heterogeneities: A reflection of 3D seismic acquisition practices in the Middle East

Andrey Bakulin, Ilya Silvestrov, Dmitry Neklyudov

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Pecholcs, 2008). Despite acquisition advances enabling single-sensor recording, the region's major operators continue to favor 9-12 geophone arrays...

Approximate yet essential: Advocating for a comprehensive seismic acquisition equation to guide single-sensor adoption

Andrey Bakulin, Ilya Silvestrov

International Meeting for Applied Geoscience and Energy (IMAGE)

... this transition quantitatively. According to formula (2), substituting a geophone array with N elements requires an N-fold increase in trace density...

Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data

Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin

Indonesian Petroleum Association

... if number of geophone are small and is not effective for near surface study. The application of fix station array acquisition technique is used to compromise...

Integrated Geomechanical Interpretation of Hydraulic Stimulation Operations Using Distributed Vibration Sensing

Michael Williams, Joel Le Calvez, Colin Wilson, Adrian Rodriguez-Herrera

Unconventional Resources Technology Conference (URTEC)

.... In a monitoring well, where we deploy a hybrid borehole geophone array of 3C geophones for accurate microseismic events mapping, we additionally recover...

First Implementation of Hybrid Fiber Optic Cable in Indonesia - Carbon Reduction through Leading-Edge Technology

Marsha Sakina, Dinda Larasati Rahmani, Fajar Tri Prasetia, Cikko Majesta, Francesco Miranda

Indonesian Petroleum Association

... walkabove VSP can take long hours to complete using the conventional vertical seismic imager (VSI) geophone. Therefore, using the hybrid fiber optic cable...

I. Relation of Structural Section to Seismic Section

Robert E. Sheriff

AAPG Special Volumes

... A recorded by geophone 1 might involve reflecting point A1. Another source B recorded by another geophone 2 might involve the same reflecting point. Many...

Seismic Data Obtained Using .50-Caliber Machine Gun as High-Resolution Seismic Source

Michael D. Seeber , Don Steeples

AAPG Bulletin

... configuration. Each geophone group was comprised of ten 28-Hz geophones in a linear array. Group interval was 40 ft (12 m). Recording was done...

Abstract: Estimating the Spectra of Small Events for the Purpose of Evaluating Microseismic Detection Threshholds; #90174 (2014)

N. Ackerley

Search and Discovery.com

... has an intrinsic detection limit of about M-2 at 2 km hypocentral distance. In contrast, a typical low-gain geophone has an intrinsic detection limit...

Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)

Wujin Chen and Anchu Wu

Search and Discovery.com

... by geophone sensors are effective reflection coefficient of the interfaces. Define the reflection coefficient Rn of nth interface, downgoing transmission...

SYNTHETIC SEISMOGRAMS

Search and Discovery.com

Development of Australia's First Hot Fractured Rock (HFR) Underground Heat Exchanger, Cooper Basin, South Australia

D. Wyborn, L. de Graaf, S. Davidson, S. Hann

Petroleum Exploration Society of Australia (PESA)

...). They contain a 3-axis geophone array, with each geophone having a sensitivity of 1.6 volts/em/second. The sensors are similar to ones used at the Ogachi Hot Dry...

Development of a novel seismic acquisition system based on fully autonomous ocean bottom nodes

Fabio Mancini, Ben Hollings, Ted Manning, Henry Debens

Australian Energy Producers Journal

... for a 2D line. Bottom row: spectra of hydrophone, vertical geophone component, and radial geophone component (after X-Y rotation) for all nodes...

The Next Generation of Microseismic Imaging

Marc-André Lambert, Paul West

GEO ExPro Magazine

... geophone doesn't measure the optimal frequency band for microseismic data. True broadband instruments with a good frequency response down to 0.1 Hz...

High-resolution passive surface wave tomography using natural and anthropogenic noise sources in a mineral exploration context

Daniela Teodor, Charles Beard, Laura Pinzon-Rincon, Aurlien Mordret, Franois Lavou, Sophie Beaupretre, Dan Hollis, John McBride, Pierre Bou, Florent Brenguier

International Meeting for Applied Geoscience and Energy (IMAGE)

... vertical geophones deployed according to two overlapping grids: a dense array with 50 m geophone spacing and a sparse array with 150 m geophone...

Leveraging legacy data: An onshore reprocessing case study from eastern Australia

Bahaa Soliman, Catalina L. Ocampo, Oscar Garcia, Andy Walz, Anthony Goodall, Emily Guidry

International Meeting for Applied Geoscience and Energy (IMAGE)

... system (red), geophone array (green) and vibrator sweep (blue) We show how the progress that has been achieved in land seismic data processing technology...

Real-Time Wireless Seismic Acquisition of Microseismic Events for Monitoring Hydrofracing

Doug Crice, Roy Kligfield, Mick Lambert

Unconventional Resources Technology Conference (URTEC)

... cables (Figure 3.), a small box and battery are placed at the geophone station. If one of the new, high-output geophones is used, the effort...

Lithology Identification Using Amplitude Variations with Offset: Examples from South Sumatra

Soman Chacko

Indonesian Petroleum Association

... velocities of the media across the interface. This observation has a direct bearing on sismic data acquired through CDP surveys, where shot-to-geophone...

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...

Siting recharge basins and improving groundwater models using multiple survey methods in Southern California

Nicole Pendrigh, Michael Blazevic, John Jansen, Kristen Marberry

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismic spread, the 24 channel array was moved forward, such that the first geophone was now located where the 24th geophone position was on the previous...

Sub-seafloor reflectivity estimation by upgoing wavefield deconvolution

Hassan Masoomzadeh, Tim Seher, M. A. H. Zuberi

International Meeting for Applied Geoscience and Energy (IMAGE)

... and geophone data to estimate both upgoing and downgoing wave fields. These wavefields contain various orders of data, beginning with direct arrivals...

Application of Interferometric MASW to a 3D-3C Seismic Survey

Shaun Strong, Steve Hearn

Petroleum Exploration Society of Australia (PESA)

... geophone spread and sort the traces by absolute offset (based on Boiero et al., 2011). Correlate every trace against those at greater offset...

High-resolution imaging using least-squares migration in the image domain (LSMi) for a marine distributed acoustic sensing (DAS) 3D-VSP

Ali Sayed, Francesca Twynam, Ran Bachrach, Maud Cavalca, Leo Leon, Maria Shadrina, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... pulse. DAS sensor response is known to differ from the conventional geophone in frequency and amplitude (Bakku, 2015; Sayed et al., 2020, 2021...

Seismic land acquisition designed to identify geology and rock properties over stacked pay interval using HTD 3D3C survey in the Permian Basin

Bruce Karr, Andrew Lewis, Stephen Klug, Ron Bianco

International Meeting for Applied Geoscience and Energy (IMAGE)

... the nominal fold over all offsets. second sweep. The 15Hz VSP geophones struggle to recover frequencies below about 12Hz. A geophone amplitude and phase...

Determining Bedding Slip Planes With Microseismic Processing

Natalia Verkhovtseva, Ben Bagherian, Timur Mukhtarov

Unconventional Resources Technology Conference (URTEC)

...) Where T0 is the P-wave arrival on the geophone located at depth H0 and 𝑇𝑇 𝐻𝐻 𝑚𝑚𝑚𝑚𝑚𝑚 is the P-wave arrival on the geophone depth Hmax. Figure...

AVA on communication cables: Principles and Examples from the North Sea

Ran Bachrach, Ali Sayed, Andrea Murineddu, Pilar Di Martino

International Meeting for Applied Geoscience and Energy (IMAGE)

...ty synthetic PP AVA response of a vertically oriented geophone (𝑣 𝑧 ) and a horizontally oriented geophone (𝑣 𝑥 ) are shown in Figure 3. The directivi...