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Keywords: carbonate
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Proceedings Papers
Using LWD Borehole Image Iinterpretation for Drilling Optimization: A Brazilian Pre-Salt Case Study
Available to PurchaseRomulo Reis Aguiar, Laura Lima Angelo Dos Santos, João Pedro Tocantins, Jodi Ross, Rafael Meda, Shashank Garg
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32549-MS
... log analysis cutter vibration normal force image log drill bit rop peak drilling data acquisition production control presented rop carbonate software Introduction In recent years, the operator significantly expanded its presence in Brazil. and the operator is consolidating its...
Proceedings Papers
A New Insight into Hybrid Surfactant and Low Salinity/Engineered Water Injections in Carbonates Through Geochemical Modeling
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31128-MS
... techniques (Hirasaki et al., 2011). Oil recovery is even more challenging in carbonates compared to sandstone reservoirs. Carbonate reservoirs hold more than 60% of the world's oil and 40% of the world's gas reserves. In addition, approximately 70% of the Middle East reserves are held in carbonate reservoirs...
Proceedings Papers
Integrated Use of 3D Seismic, Multibeam Sonar, and ROV To Confirm Deepwater Benthic Communities and Archeological Sites in the Gulf of Mexico
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24227-MS
... in the deep water GOM that are interpreted to be hard substrates suitable for benthic organisms. Where deep ocean currents are adequate to wash the fine hemipelagic mud off these carbonates, the latter becomes a clean, suitable substrate for benthic organisms. Unfortunately, 3-D seismic has a vertical sample...
Proceedings Papers
Understanding Engineering Challenges Posed by Natural Hydrocarbon Infiltration and the Development of Authigenic Carbonate
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2011
Paper Number: OTC-21253-MS
... Abstract Infiltration of shallow soils by naturally occurring hydrocarbons has been documented in several deepwater environments worldwide. The potential for significant soil modification, such as the development of authigenic carbonates and alteration of the generally expected background...
Proceedings Papers
Backscatter Characterization of Seep-Associated Seafloor Features in the Vicinity of Bush Hill, Northwest Green Canyon, Gulf of Mexico
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20662-MS
... Abstract MultiBeam Echo Sounder (MBES) bathymetric and backscatter data are used to discriminate the backscatter response of four seafloor features: a carbonate mound, a hydrate mound, a small mud volcano, and pockmarks in the vicinity of the welldocumented Bush Hill seep site. Each...
Proceedings Papers
SS: Geohazard Risk Assessment; Risk Matrix for Nonrecurrent Geohazards: A Tool for Risk Management
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20014-MS
... data, data handling errors). sediment concentration seafloor bsr proxy reservoir characterization inversion carbonate knowledge hazard assessment assessment geological process pockmark gas hydrate geophysical index gh occurrence upstream oil & gas dissociation risk...
Proceedings Papers
SS: Canadian: Atlantic Development: The Sydney Basin of Eastern Canada An Overlooked Carboniferous Basin with Demonstrated Petroleum Potential Thoughts, Facts and Musings
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20266-MS
... characterization new brunswick nova scotia shale carbonate sandstone structural geology mukhopadhyay limestone maritime basin OTC 20266 The Sydney Basin of Eastern Canada; An Overlooked Carboniferous Basin With Demonstrated Petroleum Potential; Thoughts, Facts and Musings D. Jack MacDonald, TriJac...
Proceedings Papers
Recent observations of deep water pockmarks in West Africa - Impacts on E&P activities
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19352-MS
...), or a thermogenic origin (from a source rock " kitchen??). Whatever its origin, once the methane-enriched fluid reaches the seafloor, it creates a morphology anomaly (crater-like depression), often associated with mineral precipitation, including methane-derived authigenic carbonates. In addition, pockmarks...
Proceedings Papers
Hydrate Prevention using MEG instead of MeOH: Impact of experience from major Norwegian developments on technology selection for injection and recovery of MEG
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2005
Paper Number: OTC-17355-MS
... loop MEG systems with salt- and water removal are carbonate scale deposits in pipeline and recovery systems, accumulation of corrosion products and other small particles and carry-over/foaming. A holistic approach for proper design and prevention of these and other incidents are presented...
Proceedings Papers
Surficial Gas Hydrates, Part of the Fluid and Gas Expulsion Response Spectrum: Identification From 3D Seismic Data
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2002
Paper Number: OTC-14033-MS
... by precipitation of 13 C-depleted Ca-Mg carbonates. Other precipitates such as barite have also been observed in slow-tomoderate flux settings. At the other end of the expulsion spectrum are response features derived from rapid delivery of fluids (including fluidized sediment) and gases to the seafloor. Mud...
Proceedings Papers
Stylolites in a Back-Reef Dolomite from the Permian Basin of New Mexico and West Texas
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 30–May 3, 2001
Paper Number: OTC-13229-MS
... ABSTRACT Stylolites have been reported in basinal, reef, forereef, and backreef carbonates within the Permian Basin of West Texas and southeastern New Mexico. They are described as serrated interfaces between carbonate rock units and are composed of their insoluble residues. Samples...
Proceedings Papers
Comparison of Small Salt-Cored Diapirs (Northern Gulf of Mexico Slope) With Green Knoll Beyond The Sigsbee Escarpment: Variability in Surface Expression and Seismic Character
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2000
Paper Number: OTC-12103-MS
... and authigenic carbonate formation. Recognizing the characteristics that distinguish these mound types is a fundamental part of evaluating seafloor features and their geohazards potential. This paper contrasts two mound-like features on the upper slope that have salt cores which penetrate to near the modern...
Proceedings Papers
Campos Basin, Brazil, a Model for Producing Atlantic Type Basins
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 1997
Paper Number: OTC-8487-MS
... carbonates. In 1979, Cretaceous and Eocene turbidities became important targets and until 1984, Eocene and Oligoceneturbidities represented 50% of the targets. In 1984, activities were directed towards deepwater and by 1990, Eocene, Oligocene and Miocene turbidities represented 90% of the targets...
Proceedings Papers
Estimates Of Salt Dynamical Motion And Hydrocarbon Trapping Around A Salt Diapir In The Gulf Of Mexico
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 1996
Paper Number: OTC-8012-MS
... caused the weakening; the observed salt 'mushroom' implies a fractured or incompetent Jurassic carbonate underlying the Top Cretaceous chalk; A secondary target for hydrocarbon retention is the Jurassic sediments with the salt mushroom as a tight sealing cover, and the salt stock as a lateral updip...
Proceedings Papers
Liuhua 11-1 Development - Batch Drilling Program is Successful in the South China Sea
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 1996
Paper Number: OTC-8173-MS
.... The test was of a horizontal delineation well that was drilled in 1988. The resemoir is comprised of carbonates of the Lower Miocene Zhujiang Formation. The section above the reservoir is a thick sequence of Lower Miocene to recent marine clay stones. The overall development program calls for drilling...
Proceedings Papers
Sand and Gravel Resources on the Atlantic Continental Shelf: A New Look
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 1992
Paper Number: OTC-6803-MS
... as differences in mineral content, from carbonate-rich sediments in the South Florida area to quartz-rich sediments north of Cape Hatteras. Sand and gravel volumes were calculated for each of the map areas and include identified and undiscovered resource categories. The North Atlantic map area contains...
Proceedings Papers
Seismic and Visual Observation of Seepage-Related Structures on the Continental Slope, Northern Gulf of Mexico
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 1992
Paper Number: OTC-6850-MS
... in turn settle along the flanks. This structure is clearly a mud volcano. The Mississippi Canyon example is an elliptical mound less than 20 m of relief and located in 700 m of water. Extensive benthic communities are observed along with broken and tilted blocks of authigenic carbonate. This structure...
Proceedings Papers
The Lower Miocene Liuhua Carbonate Reservoir, Pearl River Mouth Basin, Offshore People's Republic of China
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 1991
Paper Number: OTC-6511-MS
... ABSTRACT Since the drilling in January 1987 of the Liuhua 11-1-lA discovery well, six additional wells, four on the primary structure and one each on two satellite structures, have drilled and tested this lower Miocene reservoir carbonate. Deposition of the carbonates took place in isolated...
Proceedings Papers
Takula Oil Field and the Greater Takula Area, Cabinda, Angola
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–10, 1990
Paper Number: OTC-6269-MS
... carbonates of Lower Cretaceous age. It was not until late in 1979, however, that a far more significant hydrocarbon accumulation was found in the Cenomanian sands of the Vermelha Formation. All four fields produce primarily from Vermelha sands deposited on a trend of structures whose genesis was controlled...
Proceedings Papers
Gulf of Mexico Hydrocarbon Seep Communities: Part IV Descriptions of Known Chemosynthetic Communities
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 1989
Paper Number: OTC-5954-MS
... ABSTRACT The Geochemical and Environmental Research Group (GERG) at Texas A&M University has discovered vent-type, chemosynthetic communities associated with our recent findings of widespread hydrocarbon seepage, gas hydrates and authigenic carbonate on the Texas/Louisiana continental...
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