MODERN EFFICIENCY ESTIMATIONS METHODS FOR DIFFERENT TYPES OF IMPACTS ON WELL BOTTOM-HOLE ZONE
Klyukin S.S. LLC “SurgutNIPIneft”, “Surgutneftegaz”, Surgut, the Russian Federation Rezyapov R.I. “RN-Ufanipineft” LLC, Ufa, the Russian Federation Ruslan_Rezyapov@mail.ru
Evaluation of technological efficiency bottom hole treatment today is held after the elections at the current production rate during the year (additional oil through EOR) and declines in produced water.
This evaluation method takes a long time SCR. The accuracy of the estimates additional oil is determined by the adequacy of the model approximating production over the forecast period. The method does not reveal the mechanism of enhanced oil recovery, without which there can be found the most effective HMOs.
Currently, the various oil and gas companies, according to industry guidance documents, mandatory assessment methods technological and economic efficiency impact on the CCD. However, these methods are only stating a fact increase or decrease the well productivity and profitability, but do not reveal the mechanism through which was achieved the success or failure of an HMO. The article deals with the problem of increasing the efficiency of field development through the development of scientifically based methodology for assessing the state of the well bottom zone, aimed at determining the effectiveness and impact study of its mechanism based on thermo-hydrodynamic studies.
Interpretation methods taking into account the influx of HPC allow you to define the parameters of the near-wellbore and remote formation zone
An important factor affecting the accuracy of the well test is to determine the operating ranges, which requires combining the traditional well test with a thermometer and the development of appropriate technology to address this problem.
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