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The AAPG/Datapages Combined Publications Database
Showing 8,924 Results. Searched 200,619 documents.
Statistical Time-Series Analysis and Sedimentological Tuning of Bedding Rhythms in a Triassic Basinal Succession (Southern Alps, Italy)
Florian Maurer, Linda Hinnov, Wolfgang Schlager
Special Publications of SEPM
..., thus the maximum resolution Lomb (1976) and Scargle (1982) and is usually applied to time of the tool is limited to its length (7.62 cm). Signal...
2004
Formation Evaluation and Fluid Identification Derived from Formation Chlorine of Carbonate Reservoir in China
YUE WANG, YU ZHANG, XIAO XING WANG, BAO YAN JIANG, JIN LONG WU, XIAN RAN ZHAO, DAI GUO YU, FENG PAN, KAI XUAN LI, FAN LEI
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The depth of investigation (DOI) of chlorine from spectroscopy measurements is approximately 20.32 to 25.4 cm for 90% of the signal. The various DOI values...
2021
Identification of Fracture Zone in Field A Using Maximum Entropy Method
Aditya T. Pratama, Leonard J.I. Lisapaly
Indonesian Petroleum Association
... Method (MEM). It is well known that higher frequency components of seismic signal are significantly absorbed by the fracture. This absorption affects...
2005
Low-frequency Seismic Noise: The Music of Oil?
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... of the seismic background noise within (red curve) and outside (black curve) the boundaries of the reservoir. The low-frequency signal anomalies...
2008
Reservoir Monitoring Technology Part IV: The Valhall LoFS Project
Olav Inge Barkved, Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... geophones and one hydrophone) provide a live signal throughout each survey. The cables are connected to a recording system at the central platform...
2009
An Integrated Multi-Analysis Procedure That Qualifies DHI’s: A Case History in the Louisiana Hackberry Trend
Russell Hoopes, W. M. Aber, Jr.
Bulletin of South Texas Geological Society
... lines. Figure 3. Hydrocarbon Pattern Index (HPI) Spectral Decomposition (D-COMP) (Figure 4), is a spectral enhancement technique utilizing...
1990
The Use of Geoelectrical Imaging Surveys for the Delineation of Different Subsurface Geological and Man-Made Features
S. S. Abdul Nassir, C. Y. Lee
Geological Society of Malaysia (GSM)
... . Moreover it has partially suppressed the effect of electrical noise on the field measurements as well as strengthened the voltage signal to noise ratio...
1999
Applications of near-field hydrophone data imaging in a shallow water environment: A case study from offshore Egypt
Mahmoud El-Attar, Omar Hossam, Azat Kireev, Arindam Kanrar, Usama Fathy Abdel-Kader, Kai Zhang, Jacob Deeds, Jordan Hassler
International Meeting for Applied Geoscience and Energy (IMAGE)
... operations and to generate the shot-by-shot far-field signature which is typically used in signal processing steps such as designature and source wavelets...
2022
A new reverse time migration denoising method based on diffusion filtering with X-shaped denoising operator
Chongpeng Huang, Yingming Qu, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
.... In order to make the effective signal and low-frequency noise relatively amplitude-preserving separation, we propose a new denoising method for RTM based...
2022
Filling in the Blanks
Paul Sandvik, Ed Hager, Muhammad Adnan, Daniel Sturko, Polarcus
GEO ExPro Magazine
... kilometre, ensuring that the required signal-to-noise ratio (SNR) could be achieved with the appropriate processing. Make it Fast The processing...
2019
Fine description of composite channel sand bodies based on multiseismic attribute CMY fusion technology
Zhenglong Zhang, Jianli Wang, Hebing Tang, Xuetong Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., narrow width, thin thickness, and complex relationship. On the basis of post stack seismic data processing of high signal to noise ratio targets...
2023
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)
... changes in signal from near to far offsets in all azimuths. Primary Objectives • PP and PS data geometry differences • PP and PS data registration • PP...
2023
3D Vertical Seismic Profiling Acquired Using Fibre-Optic Sensing DAS - Results from the CO2CRC Otway Project
Julia Correa, Barry Freifeld, Roman Pevzner, Andrej Bona, Konstantin Tertyshnikov, Thomas Daley, Michelle Robertson, Dmitry Popik
Petroleum Exploration Society of Australia (PESA)
... technique that detects the acoustic signal along a fibre-optic cable. One of the main advantages in the use of DAS is that it can measure thousands...
2018
Eavesdrop during sand cleanout well intervention with distributed acoustic sensing
Ivan Lim Chen Ning, Bradley Barnum, Xinhui Min, Monika Valjak, Brian Arias, Yanfen Zhang, Kai Sun, Ozzy Isabu
International Meeting for Applied Geoscience and Energy (IMAGE)
... signals from near-DC to kilohertz. Depending on the frequency of the signal of interest, the DAS measurements are a product of mechanical and thermal...
2024
The challenges and countermeasures in precisely describing complex fault-block reservoirs: A case study of the Dagang Zilaitun Oilfield
Liu Zhen, Zhang Junhua, Zou Chunli, Zhang Weichao
International Meeting for Applied Geoscience and Energy (IMAGE)
... it difficult to trace the strata, and conventional methods fail to establish accurate well-seismic correlations. 2. Data has a low signal-to-noise ratio...
2024
Low-Base Frequency Helicopter AEM Data from a Square-Wave System -Helitem2
Adam Smiarowski, Graham Konieczny
Petroleum Exploration Society of Australia (PESA)
...-noise receiver and a 50% duty cycle square pulse transmitter waveform to achieve increased signal detectability for deep and covered targets. A series...
2019
Reservoir prediction technology based on tuning spectral decomposition
Wang Qingzhen, Wang Jianhua, Zheng Ying
International Meeting for Applied Geoscience and Energy (IMAGE)
... reduction, resolution enhancement, sedimentary cycle analysis, reservoir identification and description, channel detection, micro-fault interpretation...
2024
Delineating cobalt targets from a galvanic and inductive source Sub-Audio Magnetics (SAM) at the Carlow Castle project, Western Australia
Daniel Eremenco, Russell Mortimer, Ed Mead
Petroleum Exploration Society of Australia (PESA)
... the magnetic field response generated by a time varying artificial electrical signal channelled between two current electrodes. This electric current...
2019
An assessment of compressive seismic reconstruction in the Delaware Basin, Lea County, New Mexico
Andrew Lewis, Taylor Mackay, Joel Latchman, Tao Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and imaging are gaining considerable attention. Compressive sensing theory suggests that there is a high probability to recover signal beyond traditional...
2024
Observations of Induction Dielectric Measurements and Their Role in Determining Thermal Maturity of Organic Mudrocks
John C. Rasmus, Dean Homan, Gong Li Wang, Natalie Uschner
Unconventional Resources Technology Conference (URTEC)
... is prohibited. Abstract Observations of wireline induction measurements in gas bearing organic mudrocks have shown that the quadrature or out-of phase signal...
2018
Seismic Technology Takes-On New Product
Leif Larsen
Petroleum Exploration Society of Australia (PESA)
... this po lluting signal in the field, so t he only option i s to ensure that it is not acq uired i n the first place. O nshore, the same problems exist...
2005
Mid-Slope Bottom Currents off the Louisiana Coast
W. J. Wiseman, Jr., and H. H. Roberts
GCAGS Transactions
... with significant variability in the associated thermal signal. The periods of strong variability are slightly longer than one week. These periodic current bursts...
1999
Clay Structure Water and Clay Bound Water Measured by NMR Relaxometry
Z. Harry Xie
Unconventional Resources Technology Conference (URTEC)
... structure, 23 MHz NMR relaxation time measurements were conducted on a clay mineral sample to monitor the NMR signal changes with the water content...
2024
AAPG Memoir 76, Chapter 16: Pore Pressure ahead of the Bit: An Integrated Approach
Nader C. Dutta, William H. Borland, W. Scott Leaney, Richard Meehan, and W. Les Nutt
AAPG Special Volumes
.... The VSP data are more suitable for this task than surface seismic data because they commonly have higher bandwidths and better signal- to-noise ratios...
2001
Sources of Periplatform Carbonates: Northwest Providence Channel, Bahamas: REPLY
Mark R. Boardman, A. Conrad Neumann
Journal of Sedimentary Research (SEPM)
... overprint" on an original signal, as suggested by Droxler and Schlager (1985; Droxler et al. 1983; Droxler 1984), cannot be ignored. Evidence suggests...
1985