Abstract: Automatic Time Picking and Velocity Determination on Full-Waveform Sonic Logs; #90171 (2013)

Lejia Han, Joe Wong, John C. Bancroft, and Robert R. Stewart

Search and Discovery.com

... an automatic picking method based on a modified energy ratio attribute. Noise reduction schemes are used to provide significant improvement on picking...

Abstracts: Application of Shear-wave Splitting Analysis to Fracture Characterization for a Shaunavon Tight Oil Reservoir; #90173 (2015)

N. Chaminda Sandanayake and Richard A. Bale

Search and Discovery.com

... exclusively on the structure and on amplitude information, we are now – in addition - aiming to extract information on stress fields and/or pre-existing...

Eye-Openers from Re-Processing of Oil Sands Seismic Data; #41290 (2014)

David Gray, Seann Day, and Scott Shapper

Search and Discovery.com

... amplitude versus offset (AVO) techniques applied to wide-angle seismic data. Modern 3D seismic data acquired over oil sands plays typically has sufficient...

Petroleum in Carbonate Rocks: GEOLOGICAL NOTES

Edgar W. Owen

AAPG Bulletin

... conditions for preservation of source material of petroleum are those most deficient of suitable reservoir beds and known oil fields. Hypothetical...

Isolated-Cell Pressure Decay Testing for Fast Characterization of Ultra-Low Rock Permeability and Gas Slippage Effects

Maxim Chertov, Roberto Suarez-Rivera

Unconventional Resources Technology Conference (URTEC)

... of pressure variation due to gas diffusion from the smaller dead volume into the pore volume. Fig. 2 gives an example of the improvement of the pressure...

Broadband 4D Seismic Provides New Level of Detail

Yulia Biryaltseva, Tor Vegar Mårdalen, Per-Harald Saure-Thomassen, Marta Wierzchowska, Anastasiya Tantsereva, Julien Oukili

GEO ExPro Magazine

... to the non-deghosted one, an extra version of the data was produced, applying additional amplitude balancing to the final stack (P-UP amplitude scaling...

A new workflow for time-lapse seismic metadata extraction and processing to continuously monitor and predict the CO2 plume front

Feng Chen, Kami Keim

International Meeting for Applied Geoscience and Energy (IMAGE)

... vendors and equipment, including sensor models and cable lengths, may change over time. Moreover, due to the long CCS monitoring project’s lifecycle...

Three-Dimensional Seismic Analysis in the Characterization of a Giant Carbonate Field, Onshore Abu Dhabi, United Arab Emirates

Peter Melville, Omar Al Jeelani, Saeed Al Menhali, Jürgen Grötsch

AAPG Special Volumes

...-way dip closed structure with an amplitude anomaly at the Thamama level (Figure 5). Only a few additional 2-D lines have been shot since the discovery...

Low-Fold 3D Seismic: A Key to Unlocking Exploration Potential Cost-Effectively in the Eromanga Basin

Jennifer Clifford, Alison Goedecke, Michael Giles, Malcolm Horton

Petroleum Exploration Society of Australia (PESA)

... improvement but a cross line scalar, direction of cyclical amplitude variation, provided additional amplitude balancing. Applying this post stack...

Differentiable dynamic time warping divergences in full-waveform inversion

Mahesh Kalita, Lorenzo Casasanta

International Meeting for Applied Geoscience and Energy (IMAGE)

... difference misfit functional is prone to cycle-skipping due to local minima. To address this issue, we propose more effective misfit metrics for FWI...

YPF Drilling Remote Control and Monitoring Center Implementation - A Novel Approach to Drilling Consistency and Optimization in Argentina Unconventional

Luis Lopez, Giovanni Landinez, Cristian Schaj, Dario Collareda

Unconventional Resources Technology Conference (URTEC)

... necessary to thrive in the current economic environment of unconventional activity. To achieve the objective to deliver a consistent improvement...

Bunyu Deep Target Exploration: Implication of Geophysical Data Quality Improvement

Dina Novi Susanti, Helmi Indrajaya, Totong Koesnadi Usman, Aliftama Febrian Wicaksono, Hitler Sijabat, Mohammad Wahyudin, Sugiri

Indonesian Petroleum Association

...Bunyu Deep Target Exploration: Implication of Geophysical Data Quality Improvement Dina Novi Susanti, Helmi Indrajaya, Totong Koesnadi Usman...

Subsurface Process Improvement to Minimize Subsurface Uncertainties for Workover Optimization, A Case Study from Mature Waterflood Field, Central Sumatera Basin, Indonesia; #42540 (2020)

Ardi Nazamzi, Irdas Muswar, Shuhaimi Mohd Mokhtar

Search and Discovery.com

...Subsurface Process Improvement to Minimize Subsurface Uncertainties for Workover Optimization, A Case Study from Mature Waterflood Field, Central...

Extracting Reservoir Properties from 3-D Seismic Attributes at Ubi-Sikladi Fields, Central Sumatra

Hazairin, Bambang Wisnu H., Kent M. Mangold

Indonesian Petroleum Association

... average seismic amplitude and reservoir properties that relate to the quality of reservoir sand development. Porosity, shale volume, and water saturation...

West of Shetland: SHarp Broadband 2D Regional Well Tie Survey

Ian T. Edwards, Global Multi-Client Surveys and New Ventures

GEO ExPro Magazine

.... The results of this seismic survey have been well received by industry due to the improved imaging throughout the entire geological section, but especially...

High-Resolution Model Building in a Full-Azimuth Nodal Survey in the GOM

Sandip Chattopadhyay, Gary Rodriguez, Tefera Eshete, Guy Hilburn, TGS

GEO ExPro Magazine

...-to-seismic ties. The improvements are due to proper well-to-seismic calibration, anisotropic parameter estimation and multiazimuth tomographic inversion...

Tackling data challenges in land FWI: A case study

Victor Lopez, Yun Dong Guo, QingYang Li, Bin Yu, Changhua Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...-spiking and ground roll attenuation. During the FWI process, the shallow part of the model was updated using diving wave information. However, due...

Pitfalls in CSEM Inversion; a Case Study of a False Positive (Paper A5)

V. Ganesan, H. T. Pederson, S. K. Chandola, N. N. Halim

Geological Society of Malaysia (GSM)

... with an isotropic approach can generate artifacts due to oversimplification. In this paper, we show an example of such an artifact and demonstrate...

Abstract: Al-Khalij Field (Block 6.Qatar) Development Optimization: A New Dedicated Reprocessing, by Enrico Zamboni; #90105 (2010)

Search and Discovery.com

A Method for Calculating Pseudo Sonics from E-Logs in a Clastic Geologic Setting

Joe H. Smith

GCAGS Transactions

... al. (1975) and Kim (1964) explored the cross-plot method and offer suggestions for improvement. Wyllie et al. (1958) developed several algorithms...

Imaging of Shallow Coal Structures Using 2D6C Mini-SOSIE

Shaun Strong, James Alderman, Steve Hearn

Petroleum Exploration Society of Australia (PESA)

... Left (Figure 2a) and Right (Figure 2b) records were taken. Due to complexities in the near surface the two records have slight variations in amplitude...

Seismic Stratigraphy and Global Changes of Sea Level: Part 9. Seismic Interpretation of Clastic Depositional Facies: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation

J. B. Sangree , J. M. Widmier

AAPG Special Volumes

... units. Shelf environments are characterized by general parallelism of reflections. Changes in reflection amplitude, frequency, continuity, interval...

Seismic Stratigraphy and Global Changes of Sea Level, Part 9: Seismic Interpretation of Clastic Depositional Facies

J. B. Sangree , J. M. Widmier

AAPG Bulletin

... units. Shelf environments are characterized by general parallelism of reflections. Changes in reflection amplitude, frequency, continuity, interval...

Automatic detection of DAS-recorded microseismic fracture reflections

Youfang Liu, Ivan Lim, Chen Ning, Kurt Nihei

International Meeting for Applied Geoscience and Energy (IMAGE)

... reflection detection Due to the stronger amplitude of S-wave compared with Pwave (caused by the DAS directional sensitivity and microseismic source radiation...

Abstract: Robust Surface-Consistent residual Statics and Phase Correction…Part 1; #90224 (2015)

Nirupama Nagarajappa and Peter Cary

Search and Discovery.com

... deconvolution (Cary et al. 1993) is to attempt to whiten the amplitude spectrum and zero the phase. Due to noise and other factors, we expect that phase errors...