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Assessment of reasonability of production wells transfer to well workover stage

Gasumov, R. A. ; Gasumov, E. R.

SOCAR Proceedings, 2022-12 (4)

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  • Título:
    Assessment of reasonability of production wells transfer to well workover stage
  • Autor: Gasumov, R. A. ; Gasumov, E. R.
  • É parte de: SOCAR Proceedings, 2022-12 (4)
  • Descrição: The article discusses predicting the critical parameters of production wells to assess the need to transfer them to well workover stage and put on the program of geological and technical measures (GTM). A methodology for substantiating and assessing the influence of critical values of reservoir parameters on the operation of production wells is presented. Three stages of transferring wells to workover are considered: geological, technological and analytical, and the procedure for assessing their effectiveness. The procedure for calculating the shut-in time of wells and gas losses during the transition of production wells to workover, determining the parameters of the technological regime after geological and technical measures are considered. A method has been developed for predicting the time of well shut-in due to flooding (self-killing) and assessing the timing of its operation with production flow rates at the final stage of field development. The results of the study of dependence of the critical height of the liquid column on the bottomhole pressure and the average daily flow rate of the Cenomanian well, the scheme for revealing the dependence of gas water contact level on the reservoir pressure and the volume of the sampled gas are presented. The procedure for calculating the technical and geological-production state of wells is considered according to the diagnostic rating assessment. Keywords: field; gas well; prediction; critical parameter; cenomanian; flooding; flow rate; pressure.
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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