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Results of pilot tests of mobile unit for well production treatment

UDK: 622.276.8
Key words: oil treatment, crude oil, separator, oil settler, thermochemical unit
Authors: O.V. Tretyakov, A.V. Usenkov (LUKOIL-PERM LLC, RF, Perm), A.A. Lekomtsev, P.Yu. Ilyushin, S.V. Galkin (Perm National Research Polytechnic University, RF, Perm)
The article is devoted to the results of pilot tests of mobile unit for well production treatment developed by the authors at preliminary water discharge unit "Rassvet" of LUKOIL-PERM LLC. Mobile unit consists of four process units arranged on two grounds, providing a comfortable hospital transport, installation at the existing facility and the installation. This mobile unit is designed for oilfield fluid treatment on a scale of 1: 100. The main block allows to carry out oil and water treatment process by settling water emulsion in three process apparatuses using heating system, applying chemical reagents and fresh water. Unit allows to simulate the process of oil and water treatment objects, to conduct trials of new equipment and technology, to improve the quality of oil treatment and waste water with the possibility of additional outfitting and testing of new tools and equipment without changing the current process on the commercial units. During the pilot testing period it was tested four technologies that have reduced the content of suspended solids and oil in produced water in 4.5-5 times up to 10 mg/l. The recommendations for improving the quality of the product are prepared for implementation in the workplace.

References

1. Galimov R.M., Chumakov G.N., Burtasov S.E., Evaluation of energy efficiency

of field well production gathering systems in CDNG no. 7 LLC"LUKOIL-PERM"

(In Russ.), Vestnik Permskogo natsional'nogo issledovatel'skogo politekhnicheskogo

universiteta. Geologiya. Neftegazovoe i gornoe delo = Bulletin of

Perm National Research Polytechnic University. Geology. Oil & Gas Engineering

& Mining, 2013, no. 7, pp. 35–46.

2. Utility patent no. 127 323, Modul'nyy kompleks ustanovki podgotovki nefti

(Modular complex of oil treatment unit), Inventors: Soldatkin B.I., Sokolovskiy

P.A., Ivanchik O.D.

3. Patent no. CN 204417422, Skid-mounted crude oil dehydrating device, Inventors:

Xu Na, Zhang Qiaosheng, Zhang Xiaolong, Zhou Zidong, Ma Yong,

Bai Zhenjun, Zhao Qiuya, Huo Fuyong, Zhang Ping, Wang Changyao.

4. Patent no. 9157035 US, Local produced oil dehydrator, Inventors: Ball IV W.D.,

Johnson G.L.

5. Application for invention no. 2016114262, Ustanovka podgotovki skvazhinnoy

produktsii (Installation of preparation of downhole product).

6. Tronov V.P., Promyslovaya podgotovka nefti (Field oil treatment), Moscow:

Nauka Publ., 1977, 271 p.

7. Mironov E.A., Zakachka stochnykh vod neftyanykh mestorozhdeniy v produktivnye

i pogloshchayushchie gorizonty (Injection of wastewater of oil

fields to the productive and lost circulation horizons), Moscow: Nedra Publ.,

1976, 168 p.

8. Medvedev V.F., Sbor i podgotovka neustoychivykh emul'sii na promyslakh

(Gathering and preparation of unstable emulsions in the fields), Moscow:

Nedra Publ., 1987, 144 p.

The article is devoted to the results of pilot tests of mobile unit for well production treatment developed by the authors at preliminary water discharge unit "Rassvet" of LUKOIL-PERM LLC. Mobile unit consists of four process units arranged on two grounds, providing a comfortable hospital transport, installation at the existing facility and the installation. This mobile unit is designed for oilfield fluid treatment on a scale of 1: 100. The main block allows to carry out oil and water treatment process by settling water emulsion in three process apparatuses using heating system, applying chemical reagents and fresh water. Unit allows to simulate the process of oil and water treatment objects, to conduct trials of new equipment and technology, to improve the quality of oil treatment and waste water with the possibility of additional outfitting and testing of new tools and equipment without changing the current process on the commercial units. During the pilot testing period it was tested four technologies that have reduced the content of suspended solids and oil in produced water in 4.5-5 times up to 10 mg/l. The recommendations for improving the quality of the product are prepared for implementation in the workplace.

References

1. Galimov R.M., Chumakov G.N., Burtasov S.E., Evaluation of energy efficiency

of field well production gathering systems in CDNG no. 7 LLC"LUKOIL-PERM"

(In Russ.), Vestnik Permskogo natsional'nogo issledovatel'skogo politekhnicheskogo

universiteta. Geologiya. Neftegazovoe i gornoe delo = Bulletin of

Perm National Research Polytechnic University. Geology. Oil & Gas Engineering

& Mining, 2013, no. 7, pp. 35–46.

2. Utility patent no. 127 323, Modul'nyy kompleks ustanovki podgotovki nefti

(Modular complex of oil treatment unit), Inventors: Soldatkin B.I., Sokolovskiy

P.A., Ivanchik O.D.

3. Patent no. CN 204417422, Skid-mounted crude oil dehydrating device, Inventors:

Xu Na, Zhang Qiaosheng, Zhang Xiaolong, Zhou Zidong, Ma Yong,

Bai Zhenjun, Zhao Qiuya, Huo Fuyong, Zhang Ping, Wang Changyao.

4. Patent no. 9157035 US, Local produced oil dehydrator, Inventors: Ball IV W.D.,

Johnson G.L.

5. Application for invention no. 2016114262, Ustanovka podgotovki skvazhinnoy

produktsii (Installation of preparation of downhole product).

6. Tronov V.P., Promyslovaya podgotovka nefti (Field oil treatment), Moscow:

Nauka Publ., 1977, 271 p.

7. Mironov E.A., Zakachka stochnykh vod neftyanykh mestorozhdeniy v produktivnye

i pogloshchayushchie gorizonty (Injection of wastewater of oil

fields to the productive and lost circulation horizons), Moscow: Nedra Publ.,

1976, 168 p.

8. Medvedev V.F., Sbor i podgotovka neustoychivykh emul'sii na promyslakh

(Gathering and preparation of unstable emulsions in the fields), Moscow:

Nedra Publ., 1987, 144 p.



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