METHODS FOR PREDICTING PRODUCED SAND OF AN OIL WELL
Laura
Garzon1;
1UNIVERSIDADE FEDERAL DO PARá (UFPA), Belem, Brazil;
Type of Paper: Regular
Id Paper: 37
Topic: 17Abstract:
To initiate oil production from an oil well, a connecting channel is required between the reservoir formations and the wellbore. In cased hole completions, this connecting channel is provided by perforation, and in uncased hole completions, this connecting channel is provided by an open hole through which oil can flow from the oil reservoir formations to the oil well bore. If these formations are permeable with high permeability, oil can flow easily through the sand into production wells. These produced fluids may carry entrained therein sand, particularly when the subsurface formation is unconsolidated. Nevertheless, produced sand is undesirable for many reasons; when it reaches the surface, sand can damage equipment such as valves, pipelines, pumps and separators and for that must be removed from the produced fluids at the surface. Further, the produced sand may partially or completely clog the well, substantially lead to poor performance in wells and, ultimately, inhibiting production, thereby making necessary an expensive work-over. In addition, the sand flowing from the subsurface formation may leave therein a cavity which may result in caving of the formation and collapse of the casing.
One of the challenges faced by oil and gas companies in the wells workover and production operations is the produced sand associated with oil produced. The ability to predict the production of sand for oil wells of a reservoir with the aim of deciding to use different methods of its control is considered a fundamental issue. Therefore, analyzing and examining sand production conditions and choosing the optimal drilling route before drilling a well are very relevant aspects that are not receiving enough attention. Also, in conditions where sand production is unavoidable, it is imperative to choose the right sand control method and wellbore design. For instance, a reliable and adequate prediction of whether the well is sanded or not and the decision whether or not to install packers inside the wellbore is highly important. If the phenomenon of sand production occurs and packers are not installed to prevent sand production, problems will increase along with sand production. In general, the aim of this paper is to review different methods of predicting sand production such as laboratory, field, theoretical and experimental methods that have been used in different parts of the world.
Keywords:
Energy; Engineering; Oil; Petroleum; Reservoirs;
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Garzon L. (2023).
METHODS FOR PREDICTING PRODUCED SAND OF AN OIL WELL.
In F. Kongoli, S.M. Atnaw, H. Dodds, M. Mauntz, T. Turna, A. Faaij, J. Antrekowitsch, G. Hanke, H.W. Kua, M. Giorcelli
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Volume 12 Intl. Symp on Energy, Carbon, Biochar and Cement
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