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Keywords: imaging
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Proceedings Papers
Cutting-Edge Advances in Offshore CO 2 Monitoring
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35083-MS
...: are critical for the evaluation and identification of potential spill points, can image the opening of natural fractures as pressure increases during CO 2 injection, can map the CO 2 plume as it moves across the field. However, geophysical methods do not answer the critical question is CO 2...
Proceedings Papers
Anchor Project: The Subsurface Journey from Discovery to Development
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35094-MS
... geologist drilling operation clastic rock anchor rock type production control structural geology wilcox 4 reservoir characterization wilcox 1 subsurface journey permeability boundary production monitoring interpretation wilcox 3 anchor project appraisal operation imaging figure 6...
Proceedings Papers
Ocean Bottom Node Seismic and Full Waveform Inversion Towards Better Imaging Over a Complex Sub-Salt Field in Deepwater Gulf of Mexico
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30660-MS
... Abstract The Stampede Field is a sub-salt Miocene field in the deepwater Gulf of Mexico. Although it is a generally well imaged structure, development and production requirements warranted an improved image over the field. A variety of seismic data such as Narrow Azimuth (NAz), Wide Azimuth...
Proceedings Papers
Marine Seismic Source Characterization Using Fiber Optic Sensors
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29267-MS
... seismic source imaging Abstract This laboratory study explores the geophysical imaging applications of a fiber optic sensing system in a marine environment, from fiber installed on pipes or casing to fiber laying on the floor. The most common application with fiber installed on casing is borehole...
Proceedings Papers
Looking Deep Beyond the Wellbore: Mid-Field Hydraulic Fracture Diagnostic
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28715-MS
... inches beyond the wellbore. Far-field microseismic mapping offers an image of micro-earthquakes that are caused by shear slippage during a hydraulic fracture treatment. Although the location of the associated microseismic events enables spatial mapping of the stimulated rock volume, particularly its...
Proceedings Papers
Stones Development: Best in Class Risk Reduction and Cost Improvement During Project Execution
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27850-MS
...) improved subsurface imaging to increase flexibility in well trajectories; (c) deepened integration between completion choices and well designs; (d) technical functionality rationalization; and (e) supply chain improvements. This paper highlights the key change management lessons learned that took place...
Proceedings Papers
A New Method of Semi-Permanent Reservoir Monitoring in Deep Water Using Ocean Bottom Nodes
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-26993-MS
...) systems. Full azimuth and long offset seismic data acquired with a sparse array of ocean bottom nodes and a dense patch of shots has proven to be a very successful technique for both 3D and 4D imaging below complex salt overburden in the deep water Gulf of Mexico, where more than 25 OBN surveys have...
Proceedings Papers
Seismic Processing Workflow with an Integrated Model Building Toolkit Significantly Improves Imaging in Shallow Water, Complex Salt Province
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-26004-MS
... We present a seismic processing workflow that significantly improves subsurface images of hydrocarbon targets in shallow water. Our workflow is dependent on an integrated velocity model building toolkit, which works well for salt geometry and sediment velocity model building. The workflow...
Proceedings Papers
High Quality and Efficient Seismic Acquisition for Frontier Deepwater Areas
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25798-MS
... to target - so as well as providing an image of the drilling targets, the seismic survey is must deliver reliable information about the overburden to mitigate drilling surprises. In addition, economic challenges reflect the need to acquire data over large areas in a cost-effective manner, but without...
Proceedings Papers
Improving the Focus of the ACG Geohazards Image–20 Years of Data Acquisition
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25912-MS
... onto vessels of opportunity, limited the systems that could be used at the time. Therefore, the bathymetric model that was produced, for example, was useful, but limited by a swath bathymetry system that could only image to ~210m of water depth while PSA contract area water depths vary between 96...
Proceedings Papers
How new seismic acquisition and processing technology is delivering high-resolution images
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25241-MS
... Abstract The objective of seismic acquisition and imaging is to recover the true properties of the earth. Major obstacles to obtaining this ideal goal are: the bandwith of the emitted source signals, the spatial sampling of the seismic survey and spatial aliasing, the aperture...
Proceedings Papers
High Resolution Imaging Using Sea Surface Related Multiples
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25095-MS
... Abstract In marine oil and gas exploration of seismic data acquisition, both primary and multiple reflections are recorded at the streamers. In seismic data processing, primaries are usually used as signal to image the subsurface; multiples are regarded as noise to be removed (SRME) (Verschuur...
Proceedings Papers
AUV-Based 3D Laser Inspection for Structural Integrity Management in Deepwater Fields
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25381-MS
...References References Tangirala , S. , , "Integrated Autonomy for the Inspection of Underwater Structures Using Autonomous Underwter Vehicles" ., AUVSI Washington : s.n., AUVSI11 , 2011 . McLean , J.W. "High Resolution 3-D Underwater Imaging" , SPIE Conference...
Proceedings Papers
Depth Uncertainty Estimation for a Subsalt Development in the Lower Tertiary, Deepwater Gulf of Mexico
Available to PurchaseYi Yang, James Chao, Bassel Almoughraby, Konstantin Osypov, Raquel Medina, Maisha Amaru, Cory Hoelting
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24135-MS
... uncertainty estimates that were obtained are being used in building the next generation static model for St. Malo. Subsurface setting and reference imaging A collaborative, multi-organization depth uncertainty analysis was conducted (involving two E&P companies and a geophysical contractor) over the St...
Proceedings Papers
Subsalt Imaging Using Tilted Orthorhombic Reverse Time Migration
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24123-MS
... Abstract In recent years, it has become the standard practice in deep water Gulf of Mexico (GOM) to perform seismic imaging assuming tilted transverse isotropy (TTI) symmetry to describe the anisotropic effects of wave propagation in salt-withdrawal mini-basins. When compared to isotropic...
Proceedings Papers
Incorporating Attenuation In Model Building And Imaging
Available to PurchasePaul Farmer, Robert Bloor, Zhijiang Luo, Guoquan Chen, Mohamed Dolliazal, Jianyong Bai, Chao Wang, Zheng-Zheng Zhou, David Yingst
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24149-MS
... is difficult to identify. Correcting for attenuation during the model building and imaging stages of processing creates the opportunity to relate attenuation factors to the subsurface model and hence have geologic constraints on the attenuation factors and permits the application of a attenuation correction...
Proceedings Papers
High-Resolution 3D Laser Imaging for Inspection, Maintenance, Repair, and Operations
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24107-MS
... Abstract In January 2011, 3D at Depth was awarded a RPSEA contract to bring high-resolution three-dimensional (3D) laser imaging technology from the lab into an underwater environment for the oil and gas industry. Throughout the project, CDL Inc. provided expert engineering support...
Proceedings Papers
Kaombo, from Exploration Towards Development : A Decade of Progress in Subsalt Imaging
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24132-MS
... performance computing capacities. Second, new acquisition techniques such as wide-azimuth have improved the illumination of the subsurface, filling gaps in the images. Lastly, progress in depth imaging led to a better understanding of the structures, which improved the description of the subsurface...
Proceedings Papers
Anisotropic Imaging in Complex Media: Step Change in Quality and Interpretability of the Results
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24206-MS
... Abstract The soaring cost of drilling in deep-water environments leads to a strong demand for high-quality interpretable images and associated models, both products of seismic imaging, in many basins around the world. Anisotropic models more closely represent the real earth's properties. Using...
Proceedings Papers
Challenges in Seismic Imaging and Reservoir Characterization of Presalt Oilfields in Offshore Brazil
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24173-MS
... Abstract Until very recently, the petroleum system of Brazilian presalt reservoirs could not count on good enough seismic imaging to support the seismic interpretation. In the 90's, the decision of Petrobras to expand its exploration frontiers towards the sedimentary basins of EspÍrito Santo...
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