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Soft steam reforming technology for the processing of associated petroleum-gas from the field Gazprom Neft PJSC

UDK: 622.323
Key words: associated gas, beneficial use, steam reforming, fuel gas, fuel quality, internal combustion engine, additional power generation
Authors: A.I. Vlasov (Gazpromneft NTC LLC, RF, Saint-Petersburg), D.V. Samofalov (Gazprom Neft PJSC, RF, Saint-Petersburg), Yu.V. Guyo, P.L. Kozyrev (Gazpromneft-Vostok LLC, RF, Tomsk), V.A. Kirillov (Boreskov Institute of Catalysis, Siberian Branch of RAS, RF, Novosibirsk), Yu.V. Aristovich, M.A. Gritsay (BI Technology LLC, RF, Saint-Petersburg)

A new catalytic technology - Soft Steam Reforming, intended for conversion of associated petroleum gas (APG) in the gas mixture consisting of about 75-90 % (by mole) of methane. The process is carried out in presence of a steam-to nickel-containing catalyst at temperatures of 250-350 °C and a molar ratio of H2O/C2+ was 0.4-0.6. As a result, the process contained in Putney petroleum gas heavy homologues of methane (hydrocarbons C2+) with a conversion of above 90 % are converted into a gas mixture having a methane number close to 100, Bottom Shui calorific value of about 31.8 MJ/m3 and Wobbe index (lower) 41.0 MJ/m3. This gas can be effectively used as fuel for gas turbine and gas turbine power units.

Soft Steam Reforming process was developed at the Boreskov Institute of Catalysis (Siberian Branch of the Russian Academy of Sciences, Novosibirsk), engineering calculations and technological solutions made a subsidiary of the Institute of Catalysis - LLC "BI Technology". Technology has come a full cycle of working out: laboratory studies on model mixtures, bench-pilot tested on real associated gas, industrial tests in a pilot plant with capacity of APG 300 m3/h at Southwest Krapivinskoye field of Gazpromneft-Vostok in 2015. Soft Steam Reforming technology is protected by patents of the Russian Federation.

References

1. Vernikovskaya M.V., Snytnikov P.V., Kirillov V.A., Sobyanin V.A., Technological

and economic advantages of processing following oil gases into the

methane-hydrogen gas mixture for the power units supply (In Russ.), Neftepererabotka

i neftekhimiya, 2012, no. 11, pp. 7–12.

2. Adzhiev A.Yu., Purtov P.A., Podgotovka i pererabotka poputnogo

neftyanogo gaza v Rossii (Treatment and processing of associated gas in Russia),

Krasnodar: Publ. EDVI, 2014, 349 p.

3. Rybakov B.A., Burov V.D., Rybakov D.B., Trushin K.S., Features flaring of associated

gas in gas turbine units (In Russ.), Turbiny i Dizeli, 2008, no. 3, pp. 2–8.

4. Kalla R., Jansson P., Converting low quality gas into a valuable power

source, Wartsila technical Journal, 2013, pp. 61–65.

5. Patent no. 2442819 RF, Method and device for processing associated oil

gases, Inventors: Snytnikov P.V., Kirillov V.A., Sobyanin V.A., Belyaev V.D., Kuzin

N.A., Kireenkov V.V., Amosov Yu.I., Polyanskaya T.V., Popova M.M.,

Potemkin D.I.

6. Patent no. 2443764 RF, Operating method of device for preparation of associated

petroleum gases to be used in power plants, Inventors: Snytnikov

P.V., Kirillov V.A., Sobyanin V.A., Belyaev V.D., Kuzin N.A., Kireenkov V.V., Amosov

Yu.I., Polyanskaya T.V., Popova M.M., Potemkin D.I.

7. Utility patent no. 160799 RF, Ustroystvo dlya polucheniya vodorodsoderzhashchey

gazovoy smesi (A device for producing hydrogen-containing

gas mixture), Inventors: Kuznetsov A.N., Dyagtyarev A.V., L.N. Kim, V.A. Kirillov,

V.N. Misnik, M.A. Misharin, A.V. Sazonov, Sulimskiy D.M., Frolov E.V.



A new catalytic technology - Soft Steam Reforming, intended for conversion of associated petroleum gas (APG) in the gas mixture consisting of about 75-90 % (by mole) of methane. The process is carried out in presence of a steam-to nickel-containing catalyst at temperatures of 250-350 °C and a molar ratio of H2O/C2+ was 0.4-0.6. As a result, the process contained in Putney petroleum gas heavy homologues of methane (hydrocarbons C2+) with a conversion of above 90 % are converted into a gas mixture having a methane number close to 100, Bottom Shui calorific value of about 31.8 MJ/m3 and Wobbe index (lower) 41.0 MJ/m3. This gas can be effectively used as fuel for gas turbine and gas turbine power units.

Soft Steam Reforming process was developed at the Boreskov Institute of Catalysis (Siberian Branch of the Russian Academy of Sciences, Novosibirsk), engineering calculations and technological solutions made a subsidiary of the Institute of Catalysis - LLC "BI Technology". Technology has come a full cycle of working out: laboratory studies on model mixtures, bench-pilot tested on real associated gas, industrial tests in a pilot plant with capacity of APG 300 m3/h at Southwest Krapivinskoye field of Gazpromneft-Vostok in 2015. Soft Steam Reforming technology is protected by patents of the Russian Federation.

References

1. Vernikovskaya M.V., Snytnikov P.V., Kirillov V.A., Sobyanin V.A., Technological

and economic advantages of processing following oil gases into the

methane-hydrogen gas mixture for the power units supply (In Russ.), Neftepererabotka

i neftekhimiya, 2012, no. 11, pp. 7–12.

2. Adzhiev A.Yu., Purtov P.A., Podgotovka i pererabotka poputnogo

neftyanogo gaza v Rossii (Treatment and processing of associated gas in Russia),

Krasnodar: Publ. EDVI, 2014, 349 p.

3. Rybakov B.A., Burov V.D., Rybakov D.B., Trushin K.S., Features flaring of associated

gas in gas turbine units (In Russ.), Turbiny i Dizeli, 2008, no. 3, pp. 2–8.

4. Kalla R., Jansson P., Converting low quality gas into a valuable power

source, Wartsila technical Journal, 2013, pp. 61–65.

5. Patent no. 2442819 RF, Method and device for processing associated oil

gases, Inventors: Snytnikov P.V., Kirillov V.A., Sobyanin V.A., Belyaev V.D., Kuzin

N.A., Kireenkov V.V., Amosov Yu.I., Polyanskaya T.V., Popova M.M.,

Potemkin D.I.

6. Patent no. 2443764 RF, Operating method of device for preparation of associated

petroleum gases to be used in power plants, Inventors: Snytnikov

P.V., Kirillov V.A., Sobyanin V.A., Belyaev V.D., Kuzin N.A., Kireenkov V.V., Amosov

Yu.I., Polyanskaya T.V., Popova M.M., Potemkin D.I.

7. Utility patent no. 160799 RF, Ustroystvo dlya polucheniya vodorodsoderzhashchey

gazovoy smesi (A device for producing hydrogen-containing

gas mixture), Inventors: Kuznetsov A.N., Dyagtyarev A.V., L.N. Kim, V.A. Kirillov,

V.N. Misnik, M.A. Misharin, A.V. Sazonov, Sulimskiy D.M., Frolov E.V.





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