Wells completion wave technology in complex geological-technical conditions based on real-time hydrodynamic monitoring
UDC: 622.24.065
DOI: -
Authors:
AVERYANOV ALEXEY P.
1,
KUZNETSOV YURI S.1,
SHAKIROV RUSTAM A.1,
SHAMOV NIKOLAY A.1,
SULTANOV DANIR R.1,
FEDOROV VYACHESLAV N.1
1 A.A. Blagonravov Institute of Mechanical Engineering of the Russian Academy of Sciences, Moscow, Russia
Keywords: well completion, secondary penetration, perforation, bottomhole formation zone (BFZ), wave effect, hydrodynamic studies (HDS), optimization, energy intensity, impedance, complex conditions
Annotation:
The authors of the article present a comprehensive oil and gas well completion technology aimed at preserving the reservoir properties (RP) of productive formations (PR) in complex conditions (great depths, complex trajectories, low-permeable reservoirs and abnormal pressure and pressure-temperature conditions). The technology is based on managing the energy intensity of wave action during primary and secondary formations opening, synchronized with real-time hydrodynamic monitoring. The energy models of the bottomhole formation zone (BFZ) and "perforator-formation" interaction, criteria of perforation parameters optimization, a computerized design system and hardware systems for operational pressure/temperature monitoring during perforation have been developed. Industrial implementation in the fields of the Western Siberia and the Volga region (more than 100 wells) has confirmed a 1,5–3-fold increase of specific formation productivity, skin effect decrease and a 50–150 % increase of flow rates compared to traditional methods.
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