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Keywords: petroleum system
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3722214-MS
... in the Upper Cretaceous contribute to the effective petroleum systems in the basin. With an understanding of all possible generating source rocks in the Upper Cretaceous, an oil to source rock correlation, oil-to-oil correlation, and production allocation in the drainage reservoir is investigated. Weld County...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5281-MS
..., XRD, and XRF data. Source rock maturity of the lower Bakken shale also helps define the Three Forks producing fairway. Results/Observations/Conclusions: The Bakken-Three Forks petroleum system is characterized by low-porosity and permeability reservoirs in the middle Bakken, Pronghorn, and Three Forks...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3297-MS
... basin-centered gas fairway beginning at 2000m and continuing to over 4500m in depth. This fairway steps down from the basin margins into the depths of the Fitzroy Trough and is analogous and correlative to a similar petroleum system that hosts significant gas discoveries on the opposite margin...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-219-MS
... Abstract Production from organic-rich shale petroleum systems is extremely challenging due to the complex rock and flow characteristics. An accurate characterization of shale reservoir rock properties would positively impact hydrocarbon exploration and production planning. We integrate large...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2901558-MS
... Abstract The Niobrara Total Petroleum System (TPS) covers an extensive area across the Rocky Mountain Region, USA. In the Powder River Basin (PRB), the petroleum system consists of source beds in the Upper Cretaceous Niobrara Formation as well as reservoirs in the Upper Cretaceous Frontier...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2691890-MS
... are targeted through horizontal drilling – the Niobrara (A-C Chalks) and Codell formations. The Niobrara consists of alternating chalk and marl units, whereas the Codell Formation consists of a clay-rich sandstone; both were deposited within the Interior Cretaceous Seaway. The petroleum system is overpressured...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2670679-MS
... Abstract The Bakken shale oil play in the Williston Basin of North Dakota and Montana is one of the most prolific resource plays in the U.S. Here we describe play-wide geological and petrophysical characterization of the Bakken petroleum system as a context for determination of oil in place...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2015
Paper Number: URTEC-2155539-MS
... approach based on data from more than 1600 recently drilled wells, integrated into a 3D petroleum systems model. Numerous iterations were conducted to simulate heat flow in the study area. The simulated heat flow calibrated to vitrinite reflectance data from 26 wells suggests that a slight increase...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2015
Paper Number: URTEC-2169797-MS
... Abstract The lower and upper Bakken shales are world class source rocks in the Williston Basin, sourcing reservoirs in the Bakken, upper Three Forks, and lower Lodgepole formations, which comprise the economically significant Bakken Petroleum System (BPS). 10 to 400 billion barrels of oil have...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2015
Paper Number: URTEC-2173390-MS
... thermal maturity in unconventional petroleum systems. Gases released from drill cuttings may provide insight into matrix-bound components of the petroleum system. Cuttings gases commonly exhibit greater composi- tional and stable isotopic variability relative to mud gases sampled from the same intervals...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2015
Paper Number: URTEC-2148989-MS
.... Any reproduction, distribution, or storage of any part of this paper without the written consent of URTeC is prohibited. Abstract The Three Forks Formation is an important part of the Bakken Petroleum System of the Williston Basin. The USGS estimates that 3.7 billion barrels and 3.5 trillion cubic...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 25–27, 2014
Paper Number: URTEC-1922067-MS
... Liquid-rich unconventional petroleum systems have become a significant worldwide exploration target with increased activity over the past years. Unlike the conventional system which requires off structure generation and migration, the liquid-rich unconventional petroleum system requires little...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 25–27, 2014
Paper Number: URTEC-1935162-MS
..., northern Europe, South Africa, central Australia, and the Baltic area. Many of the source rocks are condensed shales within carbonate-evaporite sequences. Compared with other geologic periods, little oil originates from Ordovician source rocks, but they are important sources for some petroleum systems...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 25–27, 2014
Paper Number: URTEC-1922150-MS
... (Figure 1) located in the states of North Dakota and Montana and extending northward into Canada. The Williston basin has undergone a significant increase in recent drilling activity in the Bakken petroleum system, with oil and gas production from that system increasing over 10 fold in the last decade...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 25–27, 2014
Paper Number: URTEC-1926534-MS
... organic-lean. Textural changes can also be observed in core that correlate with variations in organic-richness. structural geology quality source rock North Dakota mudstone study area petroleum system Upstream Oil & Gas nesheim URTeC tyler petroleum system limestone bed source bed...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 12–14, 2013
Paper Number: URTEC-1580098-MS
... that there are multiple active petroleum systems in the Williston Basin (Dow, 1974, Williams, 1974, Osadetz et al., 1992 and 1994, Osadetz and Snowden, 1995). These plays exhibit differing organic facies in the source intervals which require not only an understanding of total organic carbon (TOC) but also kinetics...

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