High-frequency FWI velocity model building for hydrocarbon delineation

Lianping Zhang, Souvik Sengupta, Chirag Parekh, Robert Eliott-Lockhart

International Meeting for Applied Geoscience and Energy (IMAGE)

... in our case with SEG positive polarity. Pseudo reflectivity volumes tend to have lower noise levels and better interpretability in some cases than...

Impact of full-wavefield inversion (FWI) based high-resolution model building and Q imaging on exploration and development at Guyana Stabroek

Fuxian Song, Patrick Monigle, Jia Yan, Vikas Gudipati, Xu Li, Sunwoong Lee, Sam Hemmings-Sykes, Ashlika Persaud, James Pape, Lee E Gilchriest, Amir Abdi, Emily Lalli, Anupama Venkataraman, Ramesh Neelamani, Steve Knapp, Krista Solvason

International Meeting for Applied Geoscience and Energy (IMAGE)

... to stratigraphic traps and most are amplitude supported plays. This requires that the imaging be as noise free as possible and that the velocity models accurately...

High resolution imaging by dynamic matching FWI in the presence of AVO effects

Fuchun Gao, Shuqian Dong, Yang He, James Sheng, Faqi Liu, Bin Wang, Carlos Calderon, Yuriy Ivanov, Fanny D. Marcy, Ole E. Aaker

International Meeting for Applied Geoscience and Energy (IMAGE)

... challenging. The imaging objectives in the study are (1) to improve the background velocity model for better migration image and (2) to obtain high...

An immersed boundary topography approach for TTI acoustic propagation

Edward Caunt, Rhodri Nelson, Tim MacArthur, Fabio Luporini, Gerard Gorman

International Meeting for Applied Geoscience and Energy (IMAGE)

... is paramount for the robustness and quality of imaging algorithms including full-waveform inversion (FWI) and reverse-time migration (RTM) (Borisov et al., 2018...

Multi-survey full-waveform inversion gradient balancing with illumination probing method

James Xu, David F. Halliday, Federico G. Andreasi, Xikai Zhao, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Secondly, applying shot-based weights could boost steeply dipping noise such as steeply dipping noise, making the gradient less robust. In this paper, we...

Time-Lapse Imaging of a Hydraulic Stimulation Using 4-D Vertical Seismic Profiles and Fiber Optics in the Midland Basin

Robert Meek, Kevin Woller, Mark George, Robert Hull, Hector Bello, Jed Wagner

Unconventional Resources Technology Conference (URTEC)

... upgoing energy, prestack depth migration was used to image the seismic volumes from the DAS fiber both before and after the stimulation treatments...

An Incised Valley Filled System on a Ngimbang Limestone Sequence at JS-1 Ridge, Offshore East Java Basin, Indonesia

Anom Prasetya, Sidiq Romi, Andri Yumansa, Riza Agustiana, Mukhlis Setiawan, Ikhwan Maulana Harun

Indonesian Petroleum Association

...’s. Nowadays, the challenges are to image and map the deeper and older reservoirs which are seismically challenged due to the noise and pullup effect...

Southern Green River Basin/Moxa Arch

Scott L. Stockton, C.M. Hawkins

Rocky Mountain Association of Geologists

... dominant noise with wavelengths between 100 and 120 ft. Experience has shown that 40 lbs of powder at a depth of 80 ft is the optimum balance between...

THE APPLICATION OF HIGH RESOLUTION SEISMOLOGY TO THE DELINEATION OF FAULTING AND COAL SEAM THICKNESS: A CONTINUING CASE HISTORY

Anthony R. Wagner

North Dakota Geological Society

... and executed: 1) Preliminary seismic noise and source testing; 2) high resolution seismic data acquisition...

AVO and Inversion Contribute to Makassar Exploration Efforts

William L. Soroka, Herry Andiarbowo, Anung Widodo

Indonesian Petroleum Association

... with the subsurface geology (Earth reflectivity series) should produce the seismic data (minus the noise). Seismic data = Earth's reflectivity * Source...

Subtle Discontinuity Detection and Mapping for Carbon Sequestration Assessment in the Illinois Basin

J. H. McBride, R. W. Keach II, H. E. Leetaru, W. J. Nelson

AAPG Special Volumes

.... Significant seals for preventing CO2 migration from the Mt. Simon reservoir include the New Albany Shale, the Maquoketa Shale, and the Eau Claire Formation...

Evidence for Microseepage in CO2-EOR Monitoring and Verification; #80717 (2020)

Ronald W. Klusman

Search and Discovery.com

... in producing/consuming carbon-containing compounds. One is searching for a small, deep-sourced signal in the presence of substantial near-surface noise...

A Conceptual Model for Sources of Oils in Gulf Coast Cenozoic Reservoirs

Doris M. Curtis

GCAGS Transactions

... of source rock by deep burial under a younger depocenter; (3) generation and expulsion of hydrocarbons from the source rock; (4) migration...

Abstract: Migration of Velocity Spectra: An Example from the Timor Sea, by J. C. Beasley and R. Klotz; #91015 (1992).

Search and Discovery.com

Abstract/Excerpts: Hydrocarbon Migration - An Old Friend or Foe?, by Robert G. Tscherny and Marek Kacewicz; #120098 (2013)

Search and Discovery.com

Improvement of Seismic Depth Imaging on Carbonate Reef Through the Application of Common Reflection Angle Migration: An Example From Salawati Basin, Indonesia

Search and Discovery.com

Hydraulic fracturing during the formation and deformation of a basin: A factor in the dewatering of low-permeability sediments

John W. Cosgrove

AAPG Bulletin

.... If they are the same, the strikes are random (see Cosgrove, 1998). In the previous discussion I assumed that the state of stress at any depth...

Insight into Albian Carbonate Geology in Angola

Bernard Tillement

CSPG Bulletin

... are encountered at random. Clastic material consisting of quartz, feldspar and mica is especially abundant in the Bufalo-Pacassa area (Fig. 5...

Formation of Reactivation Surfaces Within Superimposed Deltas and Bedforms

Peter J. McCabe , Colin M. Jones

Journal of Sedimentary Research (SEPM)

... the delta crest, the rate of erosion of a ripple's stoss-side increases. As the reattachment flow, causing this erosion, is controlled by the migration...

AVO Response for Gas Sands of the Monserrate Formation, Upper Magdalena Valley of Colombia

C.J. Dueñas, M. G. de Freitas, A. Mantilla

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... Deconvolution (Spiking, minimum phase) Velocity analyses Refraction statics Spike & Noise burst Pre-stack Time Migration Figure 3. A flow chart showing...

Uncertainty Analysis on Environmental Impacts of Hydraulic Fracturing

Abbas Movassagh, Elaheh Arjomand, Dane Kasperczyk, James Kear, Tess Dance

Australian Petroleum Production & Exploration Association (APPEA) Journal

.... Accordingly, a triangular distribution is considered to create the random input para­ meters for fracturing simulations. An artificial case study...

Origin of Dolomite in the Arbuckle Group, Arbuckle Mountains, Oklahoma

William E. Ham

Panhandle (Texas) Geological Society

... there is no apparent control and the dolomite has random distribution. The third occurrence of dolomite in the Arbuckle group is a type well known...

Colgrade Field Winn Parish, Louisiana

Robert E. Nelson

GCAGS Transactions

... of the discovery well was based on random drilling. The discovery well, the W. O. Weaver et. al., #1 D. O. Pray, was spudded on August 18, 1959, and completed...

Clay-Mineralogy and Boron Determinations of the Shales from the Reindeer Well, Mackenzie River Delta, N.W.T., Canada

P. Bayliss, A. A. Levinson

CSPG Bulletin

... Coast clayey sediments and its possible relation to petroleum migration: Am. Assoc. Petroleum Geologists Bull., v. 53, p. 73-93. Chamney, T. P., 1969a...

A Mineral Variation Series of Beach Sands from Cedar Point, Ohio

F. J. Pettijohn, J. D. Ridge

Journal of Sedimentary Research (SEPM)

... of the "heavies" was then mounted in Canada balsam for study under the microscope. The "lights" were not investigated. About 300 grains in random...