Academic literature on the topic 'Oil and gas leases Ecuador'

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Journal articles on the topic "Oil and gas leases Ecuador"

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Panamito, María Fernanda, Nicole Bec, Valeria Valdivieso, Melissa Salinas, James Calva, Jorge Ramírez, Christian Larroque, and Chabaco Armijos. "Chemical Composition and Anticholinesterase Activity of the Essential Oil of Leaves and Flowers from the Ecuadorian Plant Lepechinia paniculata (Kunth) Epling." Molecules 26, no. 11 (May 27, 2021): 3198. http://dx.doi.org/10.3390/molecules26113198.

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This work aimed to study the chemical composition, cholinesterase inhibitory activity, and enantiomeric analysis of the essential oil from the aerial parts (leaves and flowers) of the plant Lepechinia paniculata (Kunth) Epling from Ecuador. The essential oil (EO) was obtained through steam distillation. The chemical composition of the oil was evaluated by gas chromatography, coupled to mass spectrometry (GC–MS) and a flame ionization detector (GC-FID). The analyses led to the identification of 69 compounds in total, of which 40 were found in the leaves and 29 were found in the flowers of the p
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Valarezo, Eduardo, Vladimir Morocho, Luis Cartuche, Fernanda Chamba-Granda, Magdaly Correa-Conza, Ximena Jaramillo-Fierro, and Miguel Angel Meneses. "Variability of the Chemical Composition and Bioactivity between the Essential Oils Isolated from Male and Female Specimens of Hedyosmum racemosum (Ruiz & Pav.) G. Don." Molecules 26, no. 15 (July 29, 2021): 4613. http://dx.doi.org/10.3390/molecules26154613.

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Hedyosmum racemosum (Ruiz & Pav.) G. is a native species of Ecuador used in traditional medicine for treatment of rheumatism, bronchitis, cold, cough, asthma, bone pain, and stomach pain. In this study, fresh H. racemosum leaves of male and female specimens were collected and subjected to hydrodistillation for the extraction of the essential oil. The chemical composition of male and female essential oil was determined by gas chromatography–gas chromatography equipped with a flame ionization detector and coupled to a mass spectrometer using a non-polar and a polar chromatographic column. Th
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Valarezo, Eduardo, Antoine Vullien, and Dayra Conde-Rojas. "Variability of the Chemical Composition of the Essential Oil from the Amazonian Ishpingo Species (Ocotea quixos)." Molecules 26, no. 13 (June 28, 2021): 3961. http://dx.doi.org/10.3390/molecules26133961.

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Ocotea quixos (Lam.) Kosterm. is an aromatic tree native to Ecuador, whose leaves are used to prepare aromatic beverages to which different health benefits are attributed. In this study, Ocotea quixos leaves were collected in the Amazon region in different environmental conditions and subjected to hydrodistillation to isolate the essential oil. The collection variables used were type of soil, amount of shade, and height; in addition, the presence of twig and leaf age and moisture were used as variables. Chemical composition was analyzed by means of gas chromatography equipped with a flame ioni
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Valarezo, Eduardo, Génesis Gaona-Granda, Vladimir Morocho, Luis Cartuche, James Calva та Miguel Angel Meneses. "Chemical Constituents of the Essential Oil from Ecuadorian Endemic Species Croton ferrugineus and Its Antimicrobial, Antioxidant and α-Glucosidase Inhibitory Activity". Molecules 26, № 15 (29 липня 2021): 4608. http://dx.doi.org/10.3390/molecules26154608.

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Croton ferrugineus Kunth is an endemic species of Ecuador used in traditional medicine both for wound healing and as an antiseptic. In this study, fresh Croton ferrugineus leaves were collected and subjected to hydrodistillation for extraction of the essential oil. The chemical composition of the essential oil was determined by gas chromatography equipped with a flame ionization detector and gas chromatography coupled to a mass spectrometer using a non-polar and a polar chromatographic column. The antibacterial activity was assayed against three Gram-positive bacteria, one Gram-negative bacter
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Espinosa, Sandra, Nicole Bec, Christian Larroque, Jorge Ramírez, Barbara Sgorbini, Carlo Bicchi, and Gianluca Gilardoni. "Chemical, Enantioselective, and Sensory Analysis of a Cholinesterase Inhibitor Essential Oil from Coreopsis triloba S.F. Blake (Asteraceae)." Plants 8, no. 11 (October 25, 2019): 448. http://dx.doi.org/10.3390/plants8110448.

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The fresh leaves of Coreopsis triloba S.F. Blake, collected at Cerro Villonaco in Loja, Ecuador, were investigated with respect to their essential oil (EO). The chemical composition was determined qualitatively through gas chromatography coupled with mass spectrometry (GC-MS) and quantitatively by gas chromatography coupled with flame ionization (GC-FID), using relative response factors (RRF) based on the enthalpy of combustion. The essential oil contained between 92.5% and 93.4% of monoterpene hydrocarbons, with (E)-β-ocimene being the main component (35.2–35.9%), followed by β-phellandrene (
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Valarezo, Eduardo, Jonathan Xavier Rivera, Edgar Coronel, Miguel Andrés Barzallo, James Calva, Luis Cartuche, and Miguel Angel Meneses. "Study of Volatile Secondary Metabolites Present in Piper carpunya Leaves and in the Traditional Ecuadorian Beverage Guaviduca." Plants 10, no. 2 (February 10, 2021): 338. http://dx.doi.org/10.3390/plants10020338.

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Piper carpunya Ruiz & Pav. is an aromatic shrub native to Ecuador, the leaves of which are used to prepare the traditional beverage Guaviduca. Different health benefits are attributed to the guaviduca beverage, which is consumed as a traditional and folk medicine. In this study, fresh P. carpunya leaves were collected in the winter and summer and subjected to hydrodistillation for the extraction of the essential oil. The guaviduca beverage was prepared by infusion in water and the volatile compounds were isolated by liquid–liquid extraction. Chemical composition and enantioselective analys
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Percy, David R., and David McGillivray. "Overlapping Remedies and the Unexpected Termination of Oil and Gas Leases." Alberta Law Review 49, no. 2 (December 1, 2011): 251. http://dx.doi.org/10.29173/alr117.

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The freehold oil and gas lease in Canada has had a perilous and uncertain existence. In the early cases, the courts applied a literal interpretation of the leases, resulting in numerous unexpectedly terminated leases. In recent years, there has been a resurgence of cases involving terminated leases. Modern case law recognizes that the failure of a lease can create liabilities in both tort and restitution, but courts have faced difficulties in dealing with the overlapping compensatory and restitutionary remedies. The modern case law has been heavily criticized, but the authors argue that there
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Hardwicke-Brown, Mungo, R. Ben Rogers, Sandy McLeod, and Chris Orr. "Recent Developments of Interest to Oil and Gas Lawyers." Alberta Law Review 40, no. 1 (May 1, 2002): 215. http://dx.doi.org/10.29173/alr506.

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This article is a compilation of recent Canadian decisions of interest to oil and gas lawyers. The authors discuss a variety of cases in areas such as lands, leases and titles, administrative law, contracts, torts, the environment, tax and royalties.
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Bartlett, Richard H. "The Effect of Low Oil and Gas Prices on Freehold Oil and Gas Leases: A Problem of Interpretation." Alberta Law Review 29, no. 1 (January 1, 1991): 1. http://dx.doi.org/10.29173/alr693.

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Freehold oil and gas leases seek to reconcile the interests of the lessor and the lessee by providing in the habendum a clause for an initial primary term and "so long thereafter as there is production''. Both Canadian and United States jurisprudence indicate that leases will terminate if production is not' 'in paying quantities''. A test as to whether or not oil or gas is being produced in paying quantities is whether the value of the oil or gas produced exceeds the operating costs. If production fails this test then it must be considered whether a reasonably prudent operator would have conti
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Bankes, Nigel, and Alicia Quesnel. "Recent Judicial Developments of Interest to Oil and Gas Lawyers." Alberta Law Review 38, no. 1 (June 1, 2000): 294. http://dx.doi.org/10.29173/alr521.

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In this article, the authors identify and discuss recent cases that impact on the oil and gas industry. These cases cover different areas of law including constitutional law, lands, leases, and titles, industry agreement, and fiduciary obligations.
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Dissertations / Theses on the topic "Oil and gas leases Ecuador"

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Wawryk, Alexandra Sophia. "The protection of indigenous peoples' lands from oil exploitation in emerging economies." Title page, contents and abstract only, 2000. http://web4.library.adelaide.edu.au/theses/09PH/09phw346.pdf.

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Bibliography: leaves 651-699. "Through case studies of three emerging economies - Ecuador, Nigeria and Russia - this thesis analyses the factors present to a greater or lesser degree in emerging economies, such as severe foreign indebtedness and the absence of the rule of law, that undermine the effectiveness of the legal system in protecting indigenous peoples from oil exploitation. Having identified these factors, I propose that a dual approach to the protection of indigenous peoples' traditional lands and their environment be adopted, whereby international laws that set out the rights of in
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Reis, Diego Araújo. "Os Efeitos da aplicação dos royalties petrolíferos sobre as finanças públicas dos municípios brasileiros." Pós-Graduação em Economia, 2013. https://ri.ufs.br/handle/riufs/4569.

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Changes occurred with the enactment of Law 9478 of 1997, led to some municipalities a financial condition inside, due to the higher inflow of royalties from oil and natural gas. The increase in revenue from royalties from oil and natural gas also ran on the other hand, the extraordinary expansion of the oil sector and the escalation of international prices of raw materials. The sum of these features plus a recipe mean expressive, is an important opportunity to expand investment and to meet the social demands. Royalties are derived from the operation of a nonrenewable resource, which implies t
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Froemming, Douglas Schiavoni. "A distribui????o das rendas do petr??leo e a efici??ncia na gest??o financeira dos munic??pios do estado de S??o Paulo." FECAP - Faculdade Escola de Com??rcio ??lvares Penteado, 2015. http://132.0.0.61:8080/tede/handle/tede/386.

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Made available in DSpace on 2015-12-03T18:33:12Z (GMT). No. of bitstreams: 1 Douglas_Schiavoni_Froemming.pdf: 909162 bytes, checksum: f58083bdabbc536634558bada9dca381 (MD5) Previous issue date: 2015-02-10<br>The federal decentralization promoted by the Constitution of 1988 raised the Brazilian municipalities to the important role in the dissemination of public policies. Once they are closest to the population, the decisions made at the municipal level are readily perceived by users and citizens. On the other hand, the social demands and the management of the administrative structure need eff
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Tanaka, Carlos Alberto. "O controle externo na aplicação de royalties do petróleo em municípios brasileiros." Universidade Tecnológica Federal do Paraná, 2017. http://repositorio.utfpr.edu.br/jspui/handle/1/2706.

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Este estudo apresenta uma avaliação da atuação do controle externo exercido pelos Tribunais de Contas na aplicação de royalties e participação especial do petróleo nos municípios brasileiros, compensações financeiras devidas pela exploração de reservas de petróleo no território brasileiro e transferidas pela União. Ao associar os conceitos de federalismo fiscal, incrementalismo, teoria das externalidades, transparência, accountability, rendas do petróleo e o sistema de orçamento público, sob a ótica da relação entre planejamento e controle, buscou estabelecer as bases teóricas para as análises
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Williamson, Ryan M. "Impacts of oil and gas development on sharp-tailed grouse on the Little Missouri National Grasslands, North Dakota /." 2009. http://wfs.sdstate.edu/wfsdept/Publications/Theses/Williamson,%20Ryan%20M.%20M.S.-2009.pdf.

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Manopimoke, Wirote. "Transaction costs and choice of petroleum contract." Thesis, 1989. http://hdl.handle.net/10125/9217.

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Books on the topic "Oil and gas leases Ecuador"

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Royalty Management Program (U.S.). Oil and gas payor handbook. [Denver, Colo.?: Dept. of the Interior, Minerals Management Service, Royalty Management Program], 1986.

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Institute, Pennsylvania Bar. Estate planning issues affecting oil and gas leases. [Mechanicsburg, PA]: Pennsylvania Bar Institute, 2010.

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Saskatchewan. Saskatchewan Energy and Mines. Oil and gas regulatory/administrative review: Report. [Saskatchewan]: Saskatchewan Energy and Mines, 1993.

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The oil and gas lease in Canada. 2nd ed. Toronto: University of Toronto Press, 1985.

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The oil and gas lease in Canada. 4th ed. Toronto: University of Toronto Press, 2008.

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Canada. Indian and Northern Affairs Canada. Indian oil & gas Canada. Ottawa, Ont: Indian and Northern Affairs Canada, 1991.

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Handbook on drafting oil and gas exploration agreements. [Chicago]: Section of Natural Resources, Energy, and Environmental Law, American Bar Association, 1991.

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Lucas, Alastair R. Oil and gas law in Canada. Toronto: Carswell, 1990.

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Gas, Alaska Division of Oil and. Proposed Beaufort Sea areawide oil and gas lease sale: Alaska Coastal Management Program consistency analysis. Anchorage]: Alaska Dept. of Natural Resources, Division of Oil and Gas, 2009.

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Oil and gas leasing in the 181 area of the Gulf of Mexico: Report (to accompany S. 2253). [Washington, D.C: U.S. G.P.O., 2006.

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Book chapters on the topic "Oil and gas leases Ecuador"

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Campbell, C. J. "Ecuador." In Campbell's Atlas of Oil and Gas Depletion, 245–47. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-3576-1_53.

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"16. Termination of Productive or Potentially Productive Leases." In The Oil & Gas Lease in Canada, 367–83. Toronto: University of Toronto Press, 2008. http://dx.doi.org/10.3138/9781442688711-020.

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Conference papers on the topic "Oil and gas leases Ecuador"

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Skinner, D. R. "Liquid Extraction From Produced Gas on small Oil Leases." In SPE Production Operations Symposium. Society of Petroleum Engineers, 1985. http://dx.doi.org/10.2118/13820-ms.

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Lohrenz, J. "Profitabilities on Federal Offshore Oil and Gas Leases: A Review." In SPE Hydrocarbon Economics and Evaluation Symposium. Society of Petroleum Engineers, 1987. http://dx.doi.org/10.2118/16313-ms.

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Vasconez, Danilo, Wilmar Pastrana, Marcia Benavides, Renato Vallejo, and Carlos Dahik. "Instrumented Docking Perforating Gun System: Field Experience Results in Ecuador." In SPE Asia Pacific Oil & Gas Conference and Exhibition. Society of Petroleum Engineers, 2020. http://dx.doi.org/10.2118/202241-ms.

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Lafournere, Jean-Paul, Jorge Dutan, Michelle Naranjo, Florent Bringer, Andreas Suter, Jorge Vega, and Jorge Bolanos. "Unveiling Reservoir Characteristics of a Vintage Field, Shushufindi Project, Ecuador." In SPE Western Venezuela Section South American Oil and Gas Congress. Society of Petroleum Engineers, 2013. http://dx.doi.org/10.2118/171389-ms.

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Gherasim, Janelle E., Victor A. Sanjinez Guzman, Kyle C. Tebbs, and Steven H. Emerman. "MODELING THE ENVIRONMENTAL IMPACTS OF POTENTIAL OIL PIPELINE LEAKS IN THE PÁRAMO REGION UPON THE WATER SUPPLY FOR QUITO, ECUADOR." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-304632.

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Benalcazar, Fernando L., and Mark William Thurber. "Building Stakeholder Consensus For An Oil Pipeline In Lago Agrio, Ecuador." In SPE International Conference on Health, Safety, and Environment in Oil and Gas Exploration and Production. Society of Petroleum Engineers, 2008. http://dx.doi.org/10.2118/111539-ms.

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Corbett, Chip, Jean-Paul Lafournere, Jorge Bolanos, Maria Janeth Bolanos, Mik Frorup, and Gustavo Marin. "The Impact of Layering on Production Predictions from Observed Production Signatures, Shushufindi Project, Ecuador." In SPE Western Venezuela Section South American Oil and Gas Congress. Society of Petroleum Engineers, 2013. http://dx.doi.org/10.2118/171387-ms.

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McMillen, Sara J., and Mala Pattanyek. "Risk Assessment For Livestock: A Case Study From Ecuador." In SPE International Conference on Health, Safety, and Environment in Oil and Gas Exploration and Production. Society of Petroleum Engineers, 2008. http://dx.doi.org/10.2118/111955-ms.

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Puckett, Robert, Maurilio Solano, and Michael Krejci. "Intelligent Well System with Hydraulic Adjustable Chokes and Permanent Monitoring Improves Conventional ESP Completion for an Operator in Ecuador." In SPE Asia Pacific Oil and Gas Conference and Exhibition. Society of Petroleum Engineers, 2004. http://dx.doi.org/10.2118/88506-ms.

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Aleman, Miguel Angel, and Sixto Mendez. "The Villano Field - A New Approach to Environmental Studies in Ecuador." In SPE International Conference on Health, Safety and Environment in Oil and Gas Exploration and Production. Society of Petroleum Engineers, 2000. http://dx.doi.org/10.2118/61012-ms.

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Reports on the topic "Oil and gas leases Ecuador"

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Sen, Anupama, and Tirthankar Chakravarty. Auctions for Oil and Gas Exploration Leases in India. Oxford Institute for Energy Studies, December 2013. http://dx.doi.org/10.26889/9781907555855.

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Herrnstadt, Evan, Ryan Kellogg, and Eric Lewis. The Economics of Time-Limited Development Options: The Case of Oil and Gas Leases. Cambridge, MA: National Bureau of Economic Research, May 2020. http://dx.doi.org/10.3386/w27165.

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