Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison

Tan Boon Hua, Lothar Schulte

Indonesian Petroleum Association

... unchallenged. However in many situations, a velocity model based on a time variant filtering of the stacking velocities may deliver results similar to the PSDM...

Recognition of Subtle Features in Geologic Maps

J. E. Robinson, D. F. Merriam

CSPG Special Publications

...., and Kanasewich, E. R., 1968, Spatial filtering of structural contour maps: 23rd Intern. Geol. Cong. (Czechoslovakia) Proc., Sec. 13, p. 163-173. Robinson, J...

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

... 0 - m shot spacing. T h e shot spacing errors should have a small effect on reflection geometry since most M C S data were recorded in water depths...

Section Six: Use of Seismic on Diapiric Structures

New Orleans Geological Society

... 8,000 ft was usually poor. But with the advent of the air gun and vastly enhanced processing capabilities, including notch filtering and deconvolution...

Application of Shallow Seismic Reflection in Geoenvironment and Geoengineering Mapping

Umar Hamzah, Abdul Rahim Samsudin, Abdul Ghani Rafek

Geological Society of Malaysia (GSM)

... and to produce seismic sections displayed in this paper. ABEM and Nimbus multichannel seismographs, hammer and explosive sources and 14 hertz geophones were...

S-transform based processing of noisy surface wave record for recovering high-resolution spectrum

Sayan Mukherjee, Mrinal Bhaumik, Tarun Naskar

International Meeting for Applied Geoscience and Energy (IMAGE)

...gure 3) recorded at the IIT Madras campus is used to demonstrate the proposed method's effectiveness. The wavefield is recorded with 4.5 Hz geophones ...

Connecting the Dots: Microseismic-Derived Connectivity for Estimating Reservoir Volumes in Low-Permeability Reservoirs

Alexandre Hugot, Jean-Claude Dulac, Emmanuel Gringarten, Aymen Haouesse

Unconventional Resources Technology Conference (URTEC)

... events produced by stimulating geological structures are measured, for example, by geophones or accelerometers located in nearby wells or at the surface...

The Seismic Facies of a Delta Onlapping an Offshore Island: Fraser River Delta, British Columbia

Harry M. Jol, Michael C. Roberts

CSPG Special Publications

... (Hunter et al., in press). High frequency geophones (50 Hz) were utilized in a twelve channel array. All data were filtered in the field by these high...

Fibre Optic Sensing

Henk Kombrink

GEO ExPro Magazine

... of the field, because the “geophones” are already installed in the wells”, says Garth. “And the repeat surveys are done anyway using ocean bottom nodes, so...

a New Filtering Water Bottle (2): NOTES

J. R. Schubel, E. W. Schiemer, T. W. Kana, G. M. Schmidt

Journal of Sedimentary Research (SEPM)

...a New Filtering Water Bottle (2): NOTES J. R. Schubel, E. W. Schiemer, T. W. Kana, G. M. Schmidt 1972 Vol. 42 No. 2. (June), We have developed a new...

2.2 Basement Involved: 2.2.2 Rifts: A Half-Graben and Tilted Fault Block Structure in the Northern North Sea

A. C. Evans and D. N. Parkinson

AAPG Special Volumes

... (Threlfall, 1981; Hay, 1978). The effect of these movements has been to produce half-grabens where deeply buried Jurassic Kimmeridge Clay formation...

Abstract: Some Workstation Techniques for Defining Reservoirs in Difficult Data Areas; #90171 (2013)

Norm Kalmanovitch, Dennis Meisinger, and Randi Christiansen

Search and Discovery.com

... effect on the deconvolution process that the stacked data is usually limited in useable frequency content. This precludes conventional approaches...

Characterization of Fractured Reservoirs: Mapping Fracture Networks and Linking Fracture Density to Reservoir Properties using Core and Borehole Image Data a Case Study; #51698 (2023)

Ghoulem Ifrene and Doina Irofti

Search and Discovery.com

..., , accounting for the filtering effect caused by the imaging technique.  The differences between the data from the two methods are highlighted...

Geology-geophysics-data mining solution enhances the identification of deep fault-karst carbonate reservoirs

Fei Tian, Jiangyun Zhang, Wenxiu Zhang, Wenhao Zheng, Wang Zhang, Zhongxing Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... (I1); 2) Seismic inversion: Spectral shaping and diffusion filtering algorithms were used to expand the domain frequency and denoise the post-stack...

Sequential Shrinking Particle Swam Optimization (SSPSO) and Hierarchical K-Means Clustering Methods to Improve Probabilistic History Matching and Forecast

Theoza Nopranda

Indonesian Petroleum Association

... to the stochastic nature of the PSO algorithm, the three experiments might give different results. After filtering the variants with the objective function...

Exploration Potential of the Diablo Platform—Delaware Basin Margin, Trans-Pecos Texas

Douglas B. Swift, James J. Reeves, Richard J. Erdlac, Jr., Kenneth T. Barrow, Alexander P. Schoellkopf

West Texas Geological Society

... had a significant effect on sedimentation in west Texas. Several episodes of movement characterized the long positive history of the Diablo Platform...

Reflection Seismics Case Studies in Quaternary Deposits of East Coast Peninsular Malaysia

Umar Hamzah, Abd. Rahim Samsudin, Abdul Ghani Rafek, Noraini Surip

Geological Society of Malaysia (GSM)

... as a seismic energy source. 14 Hz Mark geophones were used to receive the signals which were subsequently subjected to 100 Hz analogue low-cut filtering...

Application of time-lapse full waveform inversion of vertical seismic profile data for the identification of changes introduced by CO2 sequestration

Anton Egorov, Andrej Bóna, Roman Pevzner, Stanislav Glubokovskikh, Konstantin Tertyshnikov

Petroleum Exploration Society of Australia (PESA)

... inversion package (Köhn 2011). Multiscale approach is applied by filtering the data with low-pass filters in time domain (Bunks, et al. 1995...

Advances on land vibroseis source technology towards low frequencies

Zhouhong Wei

International Meeting for Applied Geoscience and Energy (IMAGE)

.... (2012) have demonstrated a good example that conventional vibrators combined with low-dwell sweeps and 10-Hz geophones can emit and record frequencies...

Development of deep learning method for automatic seismic first break picking

Albert Farkhutdinov, Ruslan Malikov, Izat Shahsenov

International Meeting for Applied Geoscience and Energy (IMAGE)

... datasets from Canadian sites known as Lalor, Brunswick, Halfmile, and Sudbury. Data were acquired using dynamite sources. Geophones were used at all sites...

Applications of Broadband Land Seismology; #70253 (2017)

Zhang Ruijie

Search and Discovery.com

... KZ28LF vibrator (Prototype) 1.5Hz signal was recorded by conventional geophones(10Hz) in both downhole and the surface (long-offset (30km) 2D acquisition...

Workflows to Improve the Resolution of Post-Stack Seismic Data and Attributes from the Malay Basin (Paper P31)

A. E. Barnes, M. F. A. Rahim, A. R. Ghazali

Geological Society of Malaysia (GSM)

... processing are spectral blueing and coherency filtering. Spectral blueing increases seismic data resolution by increasing the bandwidth and boosting...

Seismological Signal Processing: ABSTRACT

Milo M. Backus

AAPG Bulletin

... linear filtering for the reversal of signal alteration resulting from the seismic propagation path provides useful results in earthquake analysis...

Digital Seismograms: ABSTRACT

Carl H. Savit

AAPG Bulletin

... be used effectively with large-scale computers to perform virtually any type of linear or non-linear filtering, correlation, weighted stacking...

ABSTRACT: Enhancing Aeromagnetic Data from Sedimentary Basins Using Texture-Based Filtering, by Mike Dentith and Duncan Cowan; #90913(2000).

Search and Discovery.com