Improved HSEQ and survey efficiency demonstrated with a new remotely operated streamer cleaning tool

Rune Tønnessen, Trygve Skadberg, James Wright, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... that the system was weather-wise operational throughout the entire period in seas up to 3.5 m and wind of 25 kn. Analysis of weather statistics from...

Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data

Search and Discovery.com

... transformed by discrete Fourier transform to the time-domain. (a) (b) Figure 1: Long-offset shot gathers from (a) a real dataset collected...

Abstract: Application of a Tomographic Velocity Model to the Prestack Depth Migration of a Buried Valley; #90172 (2014)

Oluwafemi Ogunsuyi, Douglas R. Schmitt

Search and Discovery.com

... is unknown and further analysis is needed to determine the origin, although it is likely related to the smoothing inherent to any such tomographic...

ABSTRACT: Physical and Chemical Characteristics of Peats from Various Depositional Settings: Development of a Peat Sample Bank

Michael S. Roilins, Arthur D. Cohen, James R. Durlg

The Society for Organic Petrology (TSOP)

... chromatography combined with Fourier Transform infrared spectroscopic and flame ionization detection (Py-GCIFT-IRIFID),and pyrolysis GC with mass...

Determination of Geomechanical Parameters from Geophysical Logs: Section IV. Exploration Methods

M. B. Dusseault

AAPG Special Volumes

.... Other measures of potential interest are: peak amplitude ratios of P- and S-waves; signal spectral density signatures (Fourier transform analysis...

Note on the discovery of Carboniferous amber associated with the seed fern Linopteris obliqua, Sydney Coalfield, Nova Scotia, Canada

Maria Mastalerz, Erwin L. Zodrow

Atlantic Geology

... deconstructed, and a careful record of the process was kept. The megascopic analysis showed that abscised foliage of the tree fern Linopteris obliqua...

Abstract: Robust Singular Spectrum Analysis for Erratic Noise Attenuation; #90187 (2014)

Ke Chen and Mauricio D. Sacchi

Search and Discovery.com

...Abstract: Robust Singular Spectrum Analysis for Erratic Noise Attenuation; #90187 (2014) Ke Chen and Mauricio D. Sacchi AAPG Search and Discovery...

Porosity Evaluation of Shales Using NMR Secular Relaxation

Hugh Daigle, Andrew Johnson, J. P. Gips, Mukul Sharma

Unconventional Resources Technology Conference (URTEC)

... nuclear magnetic resonance (NMR) core analysis system. We constructed two-dimensional maps of T1 and T2 with different echo spacings for the T 2...

Making Interpretable Images from Image Logs

Birger Hansen, Janusz Buczak

AAPG Special Volumes

..., it suffices to know the generator frequency and the rotation speed of the transducer; then a Fourier transform band-stop filter applied to the image...

A Field Investigation of the Relationship Between Oscillation Ripple Spacing and the Near-Bottom Water Orbital Motions

Martin C. Miller , Paul D. Komar

Journal of Sedimentary Research (SEPM)

... of 1,024 seconds (210) for computer spectral analysis using the Fast Fourier Transformation algorithm of Cooley and Tukey (1965). Outputs of the program...

Understanding Dynamic Behavior of Reservoirs During Microseismic Monitoring

Maria A. Krasnova, Jamie P. Rich, Evgeny M. Chesnokov

Unconventional Resources Technology Conference (URTEC)

... recordings obtained from monitor wells distributed at a distance not exceeding 1000m from the source were chosen for analysis. The process of hydraulic...

Proceedings of the First International Conference on The New Basement Tectonics; Frontmatter

Robert A. Hodgson, S. Parker Gay, Jr., Janet Y. Benjamins

Utah Geological Association

... Distinctions Among Lineaments for the Mineral Explorationist R.W. Hodder and V.F. Hollister 453 52. An Application of Optical Fourier Analysis to the Study...

AAPG Rocky Mountain Section 63rd Annual Meeting

Search and Discovery.com

Continuous Sea-Floor Spreading in Red Sea: An Alternative Interpretation of Magnetic Anomaly Pattern

J. L. Labrecque , N. Zitellini

AAPG Bulletin

..., An analysis of near-bottom magnetic anomalies: sea-floor spreading and the magnetized layer: Geophysical Journal of the Royal Astronomical Society, v...

Diagenesis of Gulf Coast Clayey Sediments and Its Possible Relation to Petroleum Migration

John F. Burst

AAPG Bulletin

... Service Carte Geol. Bull., t. 17, fasc. 4, p. 287-310. MacEwan, D. M. C., 1956, Fourier transform methods I, a direct method of analyzing...

Abstract: 5D Interpolation and Regular Upsampling: Ill-suited or Fit-for-purpose?; #90187 (2014)

Mike J. Perz and Peter W. Cary

Search and Discovery.com

... problem may be posed as: “Given the incomplete input data volume, find a complete data volume whose associated spatial Fourier spectrum is at once sparse...

Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).

Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong

Search and Discovery.com

... how to reduce the effects of gas cloud and improve structure imaging. In the proposed workflow, matching pursuit Fourier interpolation (MPFI...

Investigation of a Gravity High — Offshore Newfoundland

A. P. Le Bis

CSPG Special Publications

.... In the frequency domain (Fourier transform), if the deflection of the plate is z for a sinusoidal load of amplitude hpg and spatial angular frequency w...

Section Five: Use of Gravity Methods on Diapiric Structures

New Orleans Geological Society

...-Filter Maps Swartz (1954) used two-dimensional Fourier transforms to study the filtering effect of ring residual operators. He illustrated how this or any...

Importance of Structural and Tectonic Inheritance for Unconventional Basin Play Prospectivity: An Example From the Powder River Basin

Michael Tischer, Grant Zimbrick, Michael Dolan

Unconventional Resources Technology Conference (URTEC)

... distribution will follow that trend. However, analysis of available maturity and temperature data shows two major southwest-tonortheast trending...

Comparison study on the adsorption of a synthetic textile dye using bentonite and surfactant modified bentonite

Mark Jeeva, Wan Zuhairi Wan Yaacob

Geological Society of Malaysia (GSM)

... for the pH adjustment (Jin et al., 2013). Chemical analysis and physical characterization The FTIR spectra of NK and HMK were obtained using a Fourier...

Application of Fullwaveform Tomography to VSP Walkaway Data

Eric Takam Takougang, Youcef Bouzidi

Petroleum Exploration Society of Australia (PESA)

...: Geophysics, 71, H1-H11. Kamei, R., Pratt, R.G., and Tsuji, T., 2014, Misfit functionals in Laplace-Fourier domain waveform inversion, with application...

Simulation of the Seismic Records (DAS) in a Borehole Throughout CO2 Storage Procedures

José Pulido, Yiyu Ni

Unconventional Resources Technology Conference (URTEC)

... and optimizing the data analysis behind acquisitions. URTeC 3870123 2 Introduction Monitoring carbon capture and storage (CCS) technologies can...

Karst Cavern Identification and Deep Imaging in the Delaware Basin Using Magnetotellurics

Patricia de Lugão, Eric Corrêa, Berthold Kriegshäuser, Isaac Santos, Ludwig Kriegshauser

Unconventional Resources Technology Conference (URTEC)

... of the electric and magnetic fields. The time series are then Fourier-transformed to the frequency domain. The ratio of orthogonal electric over magnetic field...

Abstract: How much well do you need in Acoustic Impedance Inversion?; #90174 (2014)

Heather J. E. Lloyd and Gary F. Margrave

Search and Discovery.com

... and inverse Fourier transformed to produce the acoustic impedance inversion. Selecting an appropriate low cut-off frequency is not always a simple task...