Main results of sampling equipment study

UDK: 622.692.4.05
DOI: 10.24887/0028-2448-2022-4-86-89
Key words: oil, sampling equipment, sample representativity
Authors: I.V. Buyanov (The Pipeline Transport Institute LLC, RF, Moscow), O.V. Aralov (The Pipeline Transport Institute LLC, RF, Moscow), A.M. Korolionok (Gubkin University, RF, Moscow), E.I. Iordansky (The Pipeline Transport Institute LLC, RF, Moscow), N.V. Berezhansky (The Pipeline Transport Institute LLC, RF, Moscow)

By its composition, the oil transported via main pipelines has heterogeneous composition including water, chlorides and mechanical impurities. To provide reliable taking of crude oil mass into account, home oil companies use crude oil custody transfer metering systems, which incorporate sampling equipment (SE). In this paper the authors throw light on the actual theme of studying SE structures, as well as evaluation of actual sample representativity taken from pipelines using SE. Similar studies have become possible owing to 10-year development of special measurement standards in the Russian Federation that permit to perform experimental studies in the area of liquid-gas mixture mass flow rates. Within the testing four SE with nominal diameter DN100 with one and five holes of various input areas were manufactured. The paper explains in detail the flow preparation and sampling procedure that is realized after flow stabilization at both completely and partially opened throttles; at that four liquid samples are taken successively. Water and oil simulator EXXSOL D100 were used as working liquids. The results of performed experimental studies demonstrated that SE versions with five holes of design input areas 98 and 129.035 mm2 are most preferable in comparison with the values specified at the National Primary Special Standard of mass flow rate unit of liquid-gas mixtures GET-195-2011. The obtained experimental results will be used for creating digital twins of both main equipment and CQCS as a whole.  This project is currently implemented in The Pipeline Transport Institute LLC.

References

1. Aralov O.V., Buyanov I.V., Lisin Yu.V. et al., Sovremennoe sostoyanie vedeniya uchetnykh operatsiy s neft'yu i nefteproduktami s primeneniem izmeritel'nykh sistem v Rossii (The current state of accounting operations with oil and oil products using measuring systems in Russia), Moscow: Nedra Publ., 2019, 246 p.

2. Goryunova S.M., Mukhametkhanova L.M., Petukhova L.V., Nikolaeva N.G., Problems of metrological support of the Russian oil complex (In Russ.), Vestnik Kazanskogo tekhnologicheskogo universiteta, 2011, no. 11, pp. 263-266.

3. Yagudin I.R., Petrov V.N., Dresvyannikov A.F., A promising direction in the development of mobile calibration units for measuring crude oil (In Russ.), Vestnik Kazanskogo tekhnologicheskogo universiteta, 2013, no. 4, pp. 203-208.

4. Aralov O.V., Korolenok A.M., Buyanov I.V. et al., Mathematical modeling of devices for sampling oil and oil products from pipelines (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2020, no. 12, pp. 128–130, DOI: 10.24887/0028-2448-2020-12-128-130

5. Solov'ev V.G., Varsegov V.L., Malyshev S.L., Petrov V.N., Development and creation of state primary special standard of a mass flow-rate unit of get 195-2011 gas-liquid mixtures (In Russ.), Vestnik KGTU im. A.N. Tupoleva, 2013, no. 3, pp. 32-38.

6. Petrov V.N., Malyshev S.L., Mukhametshina G.F., On the issue of controlling the process of circulating mixing (In Russ.), Vestnik Kazanskogo tekhnologicheskogo universiteta, 2016, no. 13, pp. 81–83.

7. Tukhvatullin A.R., Korneev R.A., Kolodnikov A.V. et al., Attestatsiya etalonov edinits massovogo i ob"emnogo raskhodov zhidkosti (In Russ.), Vestnik Kazanskogo tekhnologicheskogo universiteta, 2012, no. 18, pp. 245–247.

8. Kupkenov R.R. et al., Oil products purity monitoring in transportation through the main pipelines (In Russ.), Nauka i tehnologii truboprovodnogo transporta nefti i nefteproduktov = Science & Technologies: Oil and Oil Products Pipeline Transportation, 2019, V. 9, no. 3, pp. 342–352, DOI: 10.28999/2541-9595-2019-9-3-342-352.

By its composition, the oil transported via main pipelines has heterogeneous composition including water, chlorides and mechanical impurities. To provide reliable taking of crude oil mass into account, home oil companies use crude oil custody transfer metering systems, which incorporate sampling equipment (SE). In this paper the authors throw light on the actual theme of studying SE structures, as well as evaluation of actual sample representativity taken from pipelines using SE. Similar studies have become possible owing to 10-year development of special measurement standards in the Russian Federation that permit to perform experimental studies in the area of liquid-gas mixture mass flow rates. Within the testing four SE with nominal diameter DN100 with one and five holes of various input areas were manufactured. The paper explains in detail the flow preparation and sampling procedure that is realized after flow stabilization at both completely and partially opened throttles; at that four liquid samples are taken successively. Water and oil simulator EXXSOL D100 were used as working liquids. The results of performed experimental studies demonstrated that SE versions with five holes of design input areas 98 and 129.035 mm2 are most preferable in comparison with the values specified at the National Primary Special Standard of mass flow rate unit of liquid-gas mixtures GET-195-2011. The obtained experimental results will be used for creating digital twins of both main equipment and CQCS as a whole.  This project is currently implemented in The Pipeline Transport Institute LLC.

References

1. Aralov O.V., Buyanov I.V., Lisin Yu.V. et al., Sovremennoe sostoyanie vedeniya uchetnykh operatsiy s neft'yu i nefteproduktami s primeneniem izmeritel'nykh sistem v Rossii (The current state of accounting operations with oil and oil products using measuring systems in Russia), Moscow: Nedra Publ., 2019, 246 p.

2. Goryunova S.M., Mukhametkhanova L.M., Petukhova L.V., Nikolaeva N.G., Problems of metrological support of the Russian oil complex (In Russ.), Vestnik Kazanskogo tekhnologicheskogo universiteta, 2011, no. 11, pp. 263-266.

3. Yagudin I.R., Petrov V.N., Dresvyannikov A.F., A promising direction in the development of mobile calibration units for measuring crude oil (In Russ.), Vestnik Kazanskogo tekhnologicheskogo universiteta, 2013, no. 4, pp. 203-208.

4. Aralov O.V., Korolenok A.M., Buyanov I.V. et al., Mathematical modeling of devices for sampling oil and oil products from pipelines (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2020, no. 12, pp. 128–130, DOI: 10.24887/0028-2448-2020-12-128-130

5. Solov'ev V.G., Varsegov V.L., Malyshev S.L., Petrov V.N., Development and creation of state primary special standard of a mass flow-rate unit of get 195-2011 gas-liquid mixtures (In Russ.), Vestnik KGTU im. A.N. Tupoleva, 2013, no. 3, pp. 32-38.

6. Petrov V.N., Malyshev S.L., Mukhametshina G.F., On the issue of controlling the process of circulating mixing (In Russ.), Vestnik Kazanskogo tekhnologicheskogo universiteta, 2016, no. 13, pp. 81–83.

7. Tukhvatullin A.R., Korneev R.A., Kolodnikov A.V. et al., Attestatsiya etalonov edinits massovogo i ob"emnogo raskhodov zhidkosti (In Russ.), Vestnik Kazanskogo tekhnologicheskogo universiteta, 2012, no. 18, pp. 245–247.

8. Kupkenov R.R. et al., Oil products purity monitoring in transportation through the main pipelines (In Russ.), Nauka i tehnologii truboprovodnogo transporta nefti i nefteproduktov = Science & Technologies: Oil and Oil Products Pipeline Transportation, 2019, V. 9, no. 3, pp. 342–352, DOI: 10.28999/2541-9595-2019-9-3-342-352.


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