2018
DOI: 10.22564/rbgf.v36i2.978
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Isotopic Monitoring of Steam Injection Used to Stimulate Production in Heavy Oil Fields in the Potiguar Basin

Abstract: ABSTRACT. The Alto do Rodrigues, Estreito and Salina Cristal, Potiguar oil fields, produce heavy oils which are derived from distinct production intervals. Steam injection is used to stimulate production, with the steam generated using water transferred by pipe from the Açu River. This work investigates the physicochemical and isotopic characteristics of the surface waters of the region, the water introduced as steam, and the water produced in the wells of the oil fields, in order to determine the contribution… Show more

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“…However, steam injection has some disadvantages, such as the high amount of energy required to obtain it, the high operating cost, and its environmental impact, both due to gas emissions into the atmosphere and the use of river water to generate steam. , Furthermore, when a late stage of injection is reached, the reservoir conditions change, and the steam enters more permeable regions and by-passes the residual oil, leading the production curve to remain constant. Due to these problems, the use of chemical methods for enhanced recovery, such as surfactant and related solutions, associated with the use of steam, is presented as a possible solution to increase the efficiency of heavy oil production and reduce the steam use.…”
Section: Introductionmentioning
confidence: 99%
“…However, steam injection has some disadvantages, such as the high amount of energy required to obtain it, the high operating cost, and its environmental impact, both due to gas emissions into the atmosphere and the use of river water to generate steam. , Furthermore, when a late stage of injection is reached, the reservoir conditions change, and the steam enters more permeable regions and by-passes the residual oil, leading the production curve to remain constant. Due to these problems, the use of chemical methods for enhanced recovery, such as surfactant and related solutions, associated with the use of steam, is presented as a possible solution to increase the efficiency of heavy oil production and reduce the steam use.…”
Section: Introductionmentioning
confidence: 99%