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1. Embodied Energy and GHG Emissions from Material Use in Conventional and Unconventional Oil and Gas Operations

Author:
Brandt, Adam R.
Source:
Environmental Science & Technology 2015 v.49 no.21 pp. 13059-13066
ISSN:
1520-5851
Subject:
capital; case studies; cement; drilling; embodied energy; emissions factor; environmental impact; greenhouse gas emissions; greenhouse gases; infrastructure; models; oil fields; oils; primary energy; processing equipment; wells; North Dakota
Abstract:
... Environmental impacts embodied in oilfield capital equipment have not been thoroughly studied. In this paper, we present the first open-source model which computes the embodied energy and greenhouse gas (GHG) emissions associated with materials consumed in constructing oil and gas wells and associated infrastructure. The model includes well casing, wellbore cement, drilling mud, processing equipme ...
DOI:
10.1021/acs.est.5b03540

2. Net energy analysis of Bakken crude oil production using a well-level engineering-based model

Author:
Brandt, Adam R.,   et al.   ; Yeskoo, Tim; Vafi, Kourosh;     Show all 3 Authors
Source:
Energy 2015 v.93 pp. 2191-2198
ISSN:
0360-5442
Subject:
drilling; embodied energy; emulsions; energy content; models; oils; petroleum; wells; North Dakota
Abstract:
... Since 2005, production of oil from the Bakken formation of North Dakota has increased substantially, and the region now supplies about 1.5% of global oil output. This study presents a first engineering-based assessment of the energy intensity of Bakken crude oil production and computes the resulting NER (net energy return) from Bakken hydrocarbon production. The energy required to drill, produce, ...
DOI:
10.1016/j.energy.2015.10.113

3. Uncertainty in Regional-Average Petroleum GHG Intensities: Countering Information Gaps with Targeted Data Gathering

Author:
Brandt, Adam R.,   et al.   ; Sun, Yuchi; Vafi, Kourosh;     Show all 3 Authors
Source:
Environmental Science & Technology 2015 v.49 no.1 pp. 679-686
ISSN:
1520-5851
Subject:
carbon; greenhouse gas emissions; greenhouse gases; models; oil fields; petroleum; uncertainty
Abstract:
... Recent efforts to model crude oil production GHG emissions are challenged by a lack of data. Missing data can affect the accuracy of oil field carbon intensity (CI) estimates as well as the production-weighted CI of groups (“baskets”) of crude oils. Here we use the OPGEE model to study the effect of incomplete information on the CI of crude baskets. We create two different 20 oil field baskets, on ...
DOI:
10.1021/es505376t

4. Optimization of carbon-capture-enabled coal-gas-solar power generation

Author:
Brandt, Adam R.,   et al.   ; Brodrick, Philip G.; Kang, Charles A.; Durlofsky, Louis J.;     Show all 4 Authors
Source:
Energy 2015 v.79 pp. 149-162
ISSN:
0360-5442
Subject:
absorption; carbon dioxide; coal; discount rate; electricity costs; heat; natural gas; power generation; power plants; prices; solar energy; steam; tax credit
Abstract:
... Computational optimization is used to determine the optimal design and time-varying operations of a carbon dioxide capture retrofit to a coal-fired power plant. The retrofit consists of an amine-based temperature-swing absorption system, to which process steam is supplied from an auxiliary unit. Two candidate auxiliary heat sources are explored: natural gas and solar thermal. The NPV (net present ...
DOI:
10.1016/j.energy.2014.11.003

5. Oil Sands Energy Intensity Assessment Using Facility-Level Data

Author:
Brandt, Adam R.,   et al.   ; Englander, Jacob G.; Elgowainy, Amgad; Cai, Hao; Han, Jeongwoo; Yeh, Sonia; Wang, Michael Q.;     Show all 7 Authors
Source:
Energy & Fuels 2015 v.29 no.8 pp. 5204-5212
ISSN:
1520-5029
Subject:
bitumen; data collection; energy; greenhouse gas emissions; greenhouse gases; mining; models; oil sands; petroleum; transportation
Abstract:
... The energy intensity and fugitive emissions of oil sands extraction are modeled using detailed public data sets to provide more accurate estimates of energy use. Facility-level energy consumption and environmental emission data are collected on a monthly basis for 24 operating oil sands projects (7 mining projects and 17 in situ projects) over the periods of 2005–2012 (for mining projects) and 200 ...
DOI:
10.1021/acs.energyfuels.5b00175

6. Well-to-Wheels Greenhouse Gas Emissions of Canadian Oil Sands Products: Implications for U.S. Petroleum Fuels

Author:
Brandt, Adam R.,   et al.   ; Cai, Hao; Yeh, Sonia; Englander, Jacob G.; Han, Jeongwoo; Elgowainy, Amgad; Wang, Michael Q.;     Show all 7 Authors
Source:
Environmental Science & Technology 2015 v.49 no.13 pp. 8219-8227
ISSN:
1520-5851
Subject:
bitumen; carbon dioxide; energy; feedstocks; gasoline; greenhouse gas emissions; greenhouse gases; oil sands; petroleum; surface mining; system boundary; transportation; United States
Abstract:
... Greenhouse gas (GHG) regulations affecting U.S. transportation fuels require holistic examination of the life-cycle emissions of U.S. petroleum feedstocks. With an expanded system boundary that included land disturbance-induced GHG emissions, we estimated well-to-wheels (WTW) GHG emissions of U.S. production of gasoline and diesel sourced from Canadian oil sands. Our analysis was based on detailed ...
DOI:
10.1021/acs.est.5b01255