"REPORTER of the Association of Drilling Contractors" N 4, 2012

FLUSHING MULTIPHASE FLOW «WATER & NITROGEN» OF OIL WELL AFTER HYDRAULIC FRACTURING OF FORMATION
Alexander N. Papusha – deputy chairman of department of continuum mechanics and offshore engineering, Dr.Tech.Sci., the Murmansk State Technical University, papushaan@mstu.edu.ru papushaan@mstu.edu.ru
Mikhail E. Nepomiluev - Senior design engineer, Coiled Tubing Service, Schlumberger, postgraduate student, department of continuum mechanics and offshore engineering, the Murmansk State Technical University, mnepomiluev@slb.com mnepomiluev@slb.com
Tatiana N. Silkina – mining engineer, mirabel1812@gmail.com mirabel1812@gmail.com

УДК 622.279.04
Key words: simulation of cleanout program after a fracturing operation, multiphase flow, normalization of bottom hole condition.
The article focuses on verification process of cleanout program simulation after a fracturing operation and proppant extraction from an oil well with the help of gas-liquid flow “water + nitrogen” and using Coiled Tubing at Sutorminskoye field.The paper provides comparing of two modeling methods of proppant extraction. This methods bases on usage a standard computer program CoilCADE-WellboreSimulator (Schlumbeger) and the software system OLGA , which has not been used previously for such processes in explicit form. The implication of cleanout program simulation with help of multiphase flows have allowed to define that both programs show similar qualitative and quantitative results. This significantly extends the applicability of the software system OLGA for cleanout simulation in an oil well after fracturing operation with usage of Coiled Tubing.

FLUSHING MULTIPHASE FLOW «WATER & NITROGEN» OF OIL WELL AFTER HYDRAULIC FRACTURING OF FORMATION
Alexandr N. Papusha – deputy chairman of department of continuum mechanics and offshore engineering, Dr. Tech. Sci., the Murmansk State Technical University, papushaan@mstu.edu.ru
Mikhail E. Nepomiluev — Senior design engineer, Coiled Tubing Service, Schlumberger, postgraduate student, department of continuum mechanics and offshore engineering, the Murmansk State Technical University, mnepomiluev@slb.com
Tatiana N. Silkina – mining engineer, mirabel1812@gmail.com

Key words: simulation of cleanout program after a fracturing operation, multiphase flow, normalization of bottom hole condition.
The article focuses on verification process of cleanout program simulation after a fracturing operation and proppant extraction from an oil well with the help of gas-liquid flow “water + nitrogen” and using Coiled Tubing at Sutorminskoye field.
The paper provides comparing of two modeling methods of proppant extraction. This methods bases on usage a standard computer program CoilCADE-WellboreSimulator (Schlumbeger) and the software system OLGA , which has not been used previously for such processes in explicit form. The implication of cleanout program simulation with help of multiphase flows have allowed to define that both programs show similar qualitative and quantitative results. This significantly extends the applicability of the software system OLGA for cleanout simulation in an oil well after fracturing operation with usage of Coiled Tubing.

 

Издан 4 номер за 2021 год ежеквартального научно — технического и производственного журнала "Bulletin of the Association of Drilling Contractors"

ISSN 2073-9877

The scientific and technical journal, “Bulletin of the Association of Drilling Contractors”, is listed by the Higher Attestation Commission of the RF Ministry of Education and Science as one of the leading refereed journals and publications that feature main scientific results of doctoral and candidate’s dissertations.

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