Interpretation of phase flow rates by zones in extended horizontal wells with intelligent completion
UDC: 622.276.346+622.276.057+622.276.04
DOI: 10.33285/2413-5011-2023-1(373)-39-45
Authors:
SOLODOV PETR A.1,2,
POLYAKOV DMITRIY V.
1,2,
GAVURA ALEXANDER V.1,2
1 National University of Oil and Gas "Gubkin University", Moscow, Russia
2 LUKOIL-Engineering LLC
Keywords: extended wells, intelligent completion, oil rim, water and gas breakthroughs, downhole telemetry, phase flow rates of zones, electric permittivity, Joule – Thomson effect
Annotation:
The article proposes a method for determining zone-by-zone phase flow rates in extended horizontal wells equipped by intelligent completions with downhole telemetry. The main objects of smart wells introduction are reservoirs with oil rims, the zone-by-zone control of flow rates along the length of the horizontal section of the well during their development should minimize breakthroughs of unwanted fluids – water and natural gas of the gas cap. The presence of three phases in well production causes difficulties in multiphase flow metering for each zone of the horizontal wellbore. Understanding the phase fraction and flow rate volume by zones is required for reasonable zone-by-zone control of production to optimize production both in short and long terms. The developed approach to interpreting flow rates by zones is based on data integration from downhole sensors and mathematical models application that connect electromagnetic and physical parameters of the reservoir fluid flow with fractions of components.
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