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)

..., we illustrate our approach to these challenges. We employed a sourceindependent objective function and pseudo-reflectivity on Reflection Full...

Abstract: Inserting Stratigraphic Deconvolution into the Possessing Flow to Improve the Resolution of AVO; #90172 (2014)

Norm Kalmanovitch

Search and Discovery.com

... contain the same reflectivity sequence; but in the VSP trace this reflectivity sequence is convolved 2 AAPG Search and Discovery Article #90172 © CSPG...

Abstract: Time Domain Least-squares Prestack Migration; #90172 (2014)

Ricardo C. Rebollo, Mauricio D. Sacchi

Search and Discovery.com

... 1a portrays a reflectivity model used to test our algorithm. Figure 1b is the image obtained by NMO followed by stacking the gathers produced...

Abstract: Kirchhoff Imaging in a Matrix Form. Part I: Modelling; #90174 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

Search and Discovery.com

..., modelling can be repeated by multiplication of the matrix to the reflectivity models. Introduction Each subsurface point may be considered...

Tuning Effects' Impact on Seismic, by Gwang Lee, Keumsuk Lee, and Han Kim, #40474 (2009)

Search and Discovery.com

Lidar Intensity as a Remote Sensor of Rock Properties; #40618 (2010)

Darrin Burton and Lesli J. Wood

Search and Discovery.com

... What controls intensity? i=intensity Lidar equation: ρ=target reflectivity (Pfeifer et al, 2007) α=angle of incidence i = ρ cos(α) / r2 ƞsys C r...

Vp/Vs Ratio of a Heavy Oil Reservoir from Canada, #41598 (2015).

Carmen Dumitrescu, Larry Lines

Search and Discovery.com

... attributes P- and S-wave impedance reflectivity, particularly for Vp/Vs ratio estimates. Additional rock properties, such as rigidity and incompressibility...

3D Prestack Waveform Inversion - A Real Data Example from the Rock Springs Uplift, Wyoming, #70258 (2017).

Josiane Pafeng, Subhashis Mallick, Hema Sharma

Search and Discovery.com

... and a forward model named reflectivity method to iteratively compute synthetic data and compare them to observed data until the best match is obtained...

Relative Rock Properties … An Alternative to Estimate Reservoir Properties from Seismic Data; #42177 (2018)

Alvaro Chaveste

Search and Discovery.com

... that of the seismic and it remains mostly unchanged during the inversion process. The LFM is created from non-reflectivity data, usually well-logs and seismic...

Innovative seismic surveying and imaging in Bonaparte Basin for future energy resources

David Barlass, Shivaji Maitra, Nigel Seymour

Australian Energy Producers Journal

... of the water bottom (Mahdad et al. 2024). The resultant water-bottom reflectivity was used in the generalised deterministic waterlayer demultiple scheme (GDWD...

Buscador: The 'Searcher-Engine for Oil' in Mexico's Hottest Hotspot

Karyna Rodriguez, Neil Hodgson, Searcher

GEO ExPro Magazine

... contourite systems; and good shallow and deep water reflectivity enabling regional source rock mapping for thermal maturity and migration pathway...

A practical approach for applying Bayesian logic to determine the probabilities of subsurface scenarios: Example from an offshore oilfield

P. Craig Smalley, Christopher D. Walker, and Paul G. Belvedere

AAPG Bulletin

... was predicted to contain oil down to the regional oil–water contact (OWC) in all three of the known reservoir sands, by analogy with most of the rest...

Differential petroleum charging controlled by movements of two strike-slip faults in the Shunbei area, Tarim Basin, northwestern China

Fuyun Cong, Jinqiang Tian, Fang Hao, Qi Wang, Jianzhang Liu, and Zicheng Cao

AAPG Bulletin

... in the appearance of crude oils from the SHB1 fault zone and the SHB5 fault zone. (B) Crossplot of oil density versus colloid and asphaltene content. (C) Crossplot...

Chapter 3: Stratigraphic Descriptions

Thomas X. Homza, Steven C. Bergman

AAPG Special Volumes

... and condensate pay (water saturation < 60%). Fifty-five sidewall cores (both rotary and percussion) were recovered from the interval and indicate...

Monitoring Sea-floor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico

Erika Geresi, Ross Chapman, Tom McGee, Bob Woolsey

AAPG Special Volumes

... (CMRET) with the general objectives of (1) acquiring very high-resolution seismic reflection profiles in 850 m (2789 ft) of water depth, (2) studying...

Response of the Shelf Floor to Flow

Donald J. P. Swift

Special Publications of SEPM

.... migrate towards positions of equilibrium, in which the net landward fluid force, averaged over a wave cycle, is balanced by the In shallow water...

Architecture of the Georgia Basin Southwestern British Columbia

T.D.J. England, R.M. Bustin

CSPG Bulletin

.... Geological Society of America, Bulletin, v. 103, p. 336-362. England, T.D.J. and Hiscott, R.N. 1992. Lithostratigraphy and deep-water setting...

Seismic Evidence for Timing of Shallow Salt Emplacement on the Texas Continental Slope

Lila M. Beckley , E. William Behrens

GCAGS Transactions

... ft) and 4500 m (15,000 ft) respectively. On the Texas slope, water bottom reflectivity is somewhat higher than on the central slope (e.g., multiples...

Reefal Complexes in Mesozoic Sequences: Australia's North West Shelf Region

N. F. Exon, J. B. Colwell, P. E. Williamson, M. T. Bradshaw

Indonesian Petroleum Association

...(1), 131-44. Barber, P.M., 1988, The Exmouth Plateau deep water frontier: a case history, in P.G. & R.R. Purcell (Eds), The North West Shelf Australia...

A new model for assessing trap integrity and oil preservation risks associated with postrift fault reactivation in the Timor Sea

Anthony Gartrell, Wayne R. Bailey, Mark Brincat

AAPG Bulletin

... black lines denote faults with high postrift strains and prolonged sedimentary growth histories. Note that paleo-oil water contact locations...

Fluorescence Microscopy in Oil Shale and Coal Studies

Adrian Hutton

Special Publications of SEPM

... of properties. Crelling and Dutcher (1980) compared the ICCP and Spackman systems as "form versus substance". The practical significance of the Spackman...

Behavior of Grain Size Characteristics on Reflective and Dissipative Foreshores, Broken Bay, Australia

Edward Bryant

Journal of Sedimentary Research (SEPM)

... in the level of wave power. Reflective beaches have waves approaching almost shore-normal because of the nullification of deep-water variation...

Reservoir Compartmentalization of the Morrow Sandstone at Sorrento Field, Southeastern Colorado

Sandra McDonald Mark

Rocky Mountain Association of Geologists

... Field, channeling surface water flow and creating the incised valley into which the reservoir sandstone was deposited. Some of these faults were later...

Is There Value in Reprocessing Legacy Marine Streamer Seismic for Improved Resolution? A Recent Example from Indonesia

Dmitri Skorinski, Ted Manning

Indonesian Petroleum Association

... demonstrates the value of reprocessing a vintage towed-streamer dataset acquired in a high-tidal-current, shallow-water environment from Berau Bay, Papua...

Late Miocene Turbidite Horizon in Blake-Bahama Basin

R. E. Sheridan , Xenia Golovchenko , J. I. Ewing

AAPG Bulletin

... sediments took place after the deposition of a prominent flat-lying reflector (Fig. 3). The high reflectivity and widespread nature of this reflector...