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Diatomite

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Journal Articles
Journal: SPE Journal
SPE J. 26 (06): 4089–4108.
Paper Number: SPE-200772-PA
Published: 15 December 2021
... with a commercial simulator that served as a surrogate without the need to build a 3D geological model. In this paper, the network model is reconstructed to account for complex reservoir conditions of mature fields and successfully apply it to a diatomite reservoir in the San Joaquin Valley, California, for rapid...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 20–22, 2021
Paper Number: SPE-200772-MS
... of mature fields and successfully apply it to a diatomite reservoir in the San Joaquin Valley (SJV) for rapid history matching and optimization. The reservoir is simplified into a network of 1-D connections between well perforations. These connections are discretized into grid blocks and the grid...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-1049
... ABSTRACT: We developed a numerical model to simulate steam-water injection into fractured diatomite formations. To mitigate the high nonlinearity in both the EOS of the water substance and the behavior of a fracture-matrix system, our formulations are simplified from actual system behavior...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 23–27, 2017
Paper Number: SPE-185632-MS
... Abstract It is difficult to produce oil from diatomite due to unique rock properties such as low permeability, high porosity, fine laminations, and fractures. Steam injection is a promising enhanced oil recovery method for diatomite, but the generation and injection of steam may lead to large...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 23–27, 2017
Paper Number: SPE-185686-MS
... Abstract Diatomite oil reservoirs are unconventional. They hold billions of barrels of oil in a tight rock matrix with unusual physical properties, and contain a stress-sensitive natural fracture system that introduces a strong permeability anisotropy during fluid injection. Perhaps the most...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 23–27, 2017
Paper Number: SPE-185710-MS
... Abstract The commercial production of oil from the low permeability and shallow Opal A diatomite in California has been one of the most important resource development accomplishments of recent times. Corresponding oil-in-place estimates range from 24 to 80 billion barrels with oil recovery...
Journal Articles
SPE Res Eval & Eng 20 (03): 726–737.
Paper Number: SPE-174006-PA
Published: 10 November 2016
...Zhengming Yang; Alfredo Urdaneta Summary Premature water breakthrough negatively affects waterfloods in low permeability, naturally fractured reservoirs such as the South Belridge Diatomite. Premature water breakthrough reduces the effectiveness of waterflooding by partially or entirely bypassing...
Journal Articles
SPE Prod & Oper 32 (03): 238–251.
Paper Number: SPE-173365-PA
Published: 25 August 2016
...Sahil Malhotra; George T. Merrifield; Jye R. Collins; Cynthia Lynch; Dave Larue; Angela M. Madding Summary Coiled-tubing (CT) fracturing has been applied successfully in multistage vertical-well stimulation in the Belridge diatomite in the Lost Hills field. This same methodology was used...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 27–30, 2015
Paper Number: SPE-174022-MS
... Abstract Cyclic steam stimulation (CSS) in the California Opal A diatomite has been a successful commercial oil recovery technique since the 1990s. This paper analyzes the production performance of several California CSS diatomite projects comparing actual and calculated steam-oil ratios, SOR...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 27–30, 2015
Paper Number: SPE-174006-MS
... Abstract Premature water breakthrough (water recycling) negatively affects waterfloods in low permeability, naturally fractured reservoirs such as the South Belridge Diatomite. Water recycling reduces the effectiveness of waterflooding by partially or entirely bypassing the reservoir matrix...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 3–5, 2015
Paper Number: SPE-173365-MS
... Abstract Coiled tubing fracturing has been successfully applied in multi-stage vertical well stimulation in the Belridge diatomite in the Lost Hills field. This same methodology was used to complete two northwest-trending horizontal wells drilled on the northeast flank of the Lost Hills...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170985-MS
... Abstract The Monterey siliceous diatomite resource is an unconventional resource which traps several billion barrels of heavy oil in San Joaquin Valley. Thermal processes, such as steam injection, have been successfully used to stimulate heavy oil production from diatomite reservoirs since...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170918-MS
... enhanced recovery Fluid Dynamics Upstream Oil & Gas flow in porous media Artificial Intelligence relative permeability measurement phase saturation Schembre fractional flow relative permeability imbibition wettability permeability water saturation diatomite core sample...
Proceedings Papers

Paper presented at the SPE Western North American and Rocky Mountain Joint Meeting, April 17–18, 2014
Paper Number: SPE-169513-MS
... Abstract Cyclic steam stimulation (CSS) has been used in California since the 1960s. It has been used as an effective method for commercial oil recovery from the very low permeability diatomite formation since about the mid-1990's. Santa Maria Energy (SME) operates a CSS project in the Opal...
Journal Articles
SPE Res Eval & Eng 17 (01): 26–36.
Paper Number: SPE-165333-PA
Published: 31 December 2013
... while still capturing the essence of thermal physics. To our knowledge, there is no systematic study of this nature available in the literature. We have tested this approach in the Belridge diatomite steamdrive project. The study confirmed that steamflood incremental oil production in a light‐oil...
Proceedings Papers

Paper presented at the SPE Western Regional & AAPG Pacific Section Meeting 2013 Joint Technical Conference, April 19–25, 2013
Paper Number: SPE-165321-MS
... Abstract Cyclic steam injection has been used in California since the 1960s. It has been used as a commercial technique to recover oil from diatomite since the mid-1990's. This paper is a synopsis of the analysis and interpretation of over three years of steam injection flow rate, pressure...
Proceedings Papers

Paper presented at the SPE Western Regional & AAPG Pacific Section Meeting 2013 Joint Technical Conference, April 19–25, 2013
Paper Number: SPE-165333-MS
... dependency of the basic PVT parameters. The use of a calibrated EOS to predict isothermal and thermal phase behavior is common oil industry practice. A calibrated EOS generally predicts reliable phase behavior ( Nagarajan et al., 2007 ). The Belridge Diatomite field, located in south California, covers...
Journal Articles
SPE Res Eval & Eng 15 (06): 712–724.
Paper Number: SPE-153138-PA
Published: 06 December 2012
... to address the underperformance. The case study is for the South Belridge diatomite in California. This hydraulically fractured diatomite reservoir is currently under waterflood and steamflood. A methodology is proposed to establish the production expectation from historical production data. For primary...
Journal Articles
SPE Res Eval & Eng 15 (03): 385–392.
Paper Number: SPE-133860-PA
Published: 12 June 2012
...Anthony S. Murer; Greg R. McNeish; Ted Urbancic; Marc Prince; Adam M. Baig Summary Nine wells were drilled to test cyclic steam stimulation as a recovery mechanism in the diatomite reservoir in the Belridge field. Micro-seismic monitoring was proposed to evaluate steam-chest and fracture growth...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, March 21–23, 2012
Paper Number: SPE-153138-MS
... Belridge diatomite. Utilizing available field data, the flow regime diagram can be used to diagnose common operational issues. Two aspects are generally considered for the surveillance application: 1) the plot of the oil-cut function Y versus cumulative liquid production for diagnosing the flood...

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