Application of advanced technologies for treating sulfurous petroleum gas using molecular sieves

UDK: 66.074.5.097.094.2
DOI: 10.24887/0028-2448-2021-1-80-81
Key words: gas purification, hydrogen sulphide, adsorption, synthetic zeolite
Authors: O.V. Akimov (Zarubezhneft JSC, RF, Moscow), A.A. Ahmadeev (Zarubezhneft JSC, RF, Moscow), I.A. Kabanov (Zarubezhneft JSC, RF, Moscow), A.V. Svetkin (Zarubezhneft JSC, RF, Moscow)

In the context of periodic changes in legislative requirements in the field of rational use of hydrocarbon resources, as well as tightening of norms and restrictions on emissions of pollutants into the atmosphere, increasing fines and payments, Zarubezhneft JSC is faced with an acute problem of urgent liquidation of systems for flaring and dispersing associated petroleum gas, and also with the need to design and implement effective ways to use it. With the correct choice of the option to increase the level of useful APG utilization and timely monitoring of the process of its implementation, investment in such projects is not only a method of fulfilling legislative norms in terms of the effective use of 95% of produced gas, but also an economically justified procedure for making a profit. The article describes existing design solutions for the preparation of associated petroleum gas from the Kharyaga field. The adsorption properties of foreign and domestic molecular sieves were investigated under conditions of an abnormally high content of hydrogen sulfide in the feed stream. The idea of increasing the profitability of the Gas Program facilities by carrying out a comprehensive gas treatment in one stage is presented. The main goals and objectives of the project are: decrease in costs in the preparation of associated petroleum gas; selection of the optimal option for gas desulfurization; replication of technology at similar facilities.

The use of the new adsorption system made it possible to increase the profitability of gas desulfurization and achieve 99.9% of gas purification from harmful impurities in one stage. The results of the pilot operation of the molecular sieve gas treatment unit showed the prospects and the possibility of replicating this technology in the oil industry.

References

1. Bekirov T.M., Promyslovaya i zavodskaya obrabotka prirodnykh i neftyanykh gazov (Field and plant processing of natural and petroleum gases), Moscow: Nedra Publ., 1980, 283 p.

2. Murin V.I. et al., Tekhnologiya pererabotki prirodnogo gaza i kondensata (Natural gas and condensate processing technology), Part 1, Moscow: Nedra-Biznestsentr Publ., 2002, 517 p.

3. Kel'tsev N.V., Osnovy adsorbtsionnoy tekhniki (Basics of adsorption technology), Moscow: Khimiya Publ., 1976, 512 p.

In the context of periodic changes in legislative requirements in the field of rational use of hydrocarbon resources, as well as tightening of norms and restrictions on emissions of pollutants into the atmosphere, increasing fines and payments, Zarubezhneft JSC is faced with an acute problem of urgent liquidation of systems for flaring and dispersing associated petroleum gas, and also with the need to design and implement effective ways to use it. With the correct choice of the option to increase the level of useful APG utilization and timely monitoring of the process of its implementation, investment in such projects is not only a method of fulfilling legislative norms in terms of the effective use of 95% of produced gas, but also an economically justified procedure for making a profit. The article describes existing design solutions for the preparation of associated petroleum gas from the Kharyaga field. The adsorption properties of foreign and domestic molecular sieves were investigated under conditions of an abnormally high content of hydrogen sulfide in the feed stream. The idea of increasing the profitability of the Gas Program facilities by carrying out a comprehensive gas treatment in one stage is presented. The main goals and objectives of the project are: decrease in costs in the preparation of associated petroleum gas; selection of the optimal option for gas desulfurization; replication of technology at similar facilities.

The use of the new adsorption system made it possible to increase the profitability of gas desulfurization and achieve 99.9% of gas purification from harmful impurities in one stage. The results of the pilot operation of the molecular sieve gas treatment unit showed the prospects and the possibility of replicating this technology in the oil industry.

References

1. Bekirov T.M., Promyslovaya i zavodskaya obrabotka prirodnykh i neftyanykh gazov (Field and plant processing of natural and petroleum gases), Moscow: Nedra Publ., 1980, 283 p.

2. Murin V.I. et al., Tekhnologiya pererabotki prirodnogo gaza i kondensata (Natural gas and condensate processing technology), Part 1, Moscow: Nedra-Biznestsentr Publ., 2002, 517 p.

3. Kel'tsev N.V., Osnovy adsorbtsionnoy tekhniki (Basics of adsorption technology), Moscow: Khimiya Publ., 1976, 512 p.



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