Research of the turbine prototype for utilization of energy of the compressed gas on oil and gas fields

UDK: 622.276.5.05
Key words: energy conversion, gas, oil, turbine, loop blade, generator
Authors: Ya.A. Sazonov, M.A. Mokhov, V.V. Bondarenko (Gubkin Russian State University of Oil and Gas (National Research University), RF, Moscow)

New technologies must be implemented in order to use compressed gas energy on oil and gas fields rationally. The lack of cheap and reliable equipment leads to poor progress in this area. That is why development of the reliable and easy-to-use turbines for conversion of the gas stream energy to other types of energy is very important nowadays. Additionally, due to well-known problems of the climate change researches have to search for the new ways of additional energy generation without utilization of hydrocarbons. Compressed gas energy might be converted to heat or electrical energy and such options of the technological chain are the most demanded for the arctic regions.

The experimental sample of the heat energy generator is being developed within the scope of the ongoing research studies. One of the most important elements of the generator is turbine which converts compressed gas energy into mechanical energy. Then mechanical energy is converted to hydraulic energy in the pump which pumps the heat agent. The pump is attached to the turbine via transmission. Different types of the transmission might be used, including mechanical and electromechanical.

Maximum rotor mass reduction was the objective of the new turbine development process. Small rotor mass leads to better balance and some additional opportunities for the rotor rotation speed increase with wider area of application of such a turbine. Possibilities of turbine usage without a stator were considered during the designing stage and turbines from the active turbine group are of the particular interest in this case. Turbine blades must be thin, but strong at the same time and that is why loop type blades are considered. It is well-known fact that majority of the design studies are based on the experience accumulated by a huge number of specialists and this principle is important to use, including the information from patents databases.

In order to test the working efficiency of the considered machine – elements and joints models are created. Conversion of the compressed gas energy to mechanical energy principles was tested. Principles of the conversion of mechanical energy to electrical energy and further to heat energy were tested using electromechanical transmission.

References

1. Sazonov I.A., Mokhov M.A., Design of thermoelectric generators for oil

and gas production systems, Indian Journal of Science and Technology,

2015, V. 8 (30), IPL0623, pp. 1–12, URL: http://www.indjst.org/index.php/indjst/

article/viewFile/81878/63184

2. Sazonov I.A., Mokhov M.A., Frankov M.A., Biktimirova D.R., Studying issues

of compressed gas energy recovery, Indian Journal of Science and Technology,

2016, V. 9(19), pp. 1–7, DOI: 10.17485/ijst/2016/v9i19/93904

3. Bondarenko V.V., Mokhov M.A., Sazonov Yu.A., Heat generators modeling

for oil and gas production systems (In Russ.), Neftyanoe khozyaystvo =

Oil Industry, 2015, no. 12, pp. 127–129.

4. Utility patent no. 163491 RF, Rotor lopatochnykh mashin (Rotor of impeller

machine), Inventors: Sazonov Yu.A., Mokhov M.A.

5. Sarwar N., UK Gas pipeline to generate renewable energy through geopressure

technology, Climatico. Independent analysis of climate policy,

10 January 2009, URL: http://www.climaticoanalysis.org/post/uk-gaspipeline-

to-generate-renewable-energy-through-geo-pressure-technology/

6. Kaupert Dr.K., Use better designed turboexpanders to handle flashing

fluids, Hydrocarbon Processing, 2012, URL: http://www.hydrocarbonprocessing.

com/Article/3005111/Use-better-designed-turboexpanders-tohandle-

flashing-fluids.html

7. Patent no. 2467568 EP B1., A method and an apparatus for obtaining energy

by expanding a gas at a wellhead, Inventors: Stefano F., Giacinto L.,

Luciano S.

8. Patent no. 4369373, Method and apparatus for generating electricity

from the flow of fluid through a well, Inventor: Wiseman B.W.

9. Patent no. 5117908, Method and equipment for obtaining energy from

oil wells, Inventor: Hofmann H.

10. Patent no. 6907727, Gas energy conversion apparatus and method, Inventor:

Turchetta J.M.

11. Patent no. 7043905, Gas energy conversion apparatus and method, Inventor:

Turchetta J.M.

12. Patent no. 5606858, Energy recovery, pressure reducing system and

method for using the same, Inventors: Nadiv A., Meir R., Yoel G.

13. Patent no. 2043788, Rotary steam friction motor, Inventor: Adair C.W.

14. Patent no. 7018167, Fluid machinery, Inventor: Minoru Y.

15. Sazonov Yu.A., Osnovy rascheta i konstruirovaniya nasosno-ezhektornykh

ustanovok (Bases for design and construction of pumping and

ejecting plants), Moscow: Neft’ i gaz Publ., 2012, 300 p.

New technologies must be implemented in order to use compressed gas energy on oil and gas fields rationally. The lack of cheap and reliable equipment leads to poor progress in this area. That is why development of the reliable and easy-to-use turbines for conversion of the gas stream energy to other types of energy is very important nowadays. Additionally, due to well-known problems of the climate change researches have to search for the new ways of additional energy generation without utilization of hydrocarbons. Compressed gas energy might be converted to heat or electrical energy and such options of the technological chain are the most demanded for the arctic regions.

The experimental sample of the heat energy generator is being developed within the scope of the ongoing research studies. One of the most important elements of the generator is turbine which converts compressed gas energy into mechanical energy. Then mechanical energy is converted to hydraulic energy in the pump which pumps the heat agent. The pump is attached to the turbine via transmission. Different types of the transmission might be used, including mechanical and electromechanical.

Maximum rotor mass reduction was the objective of the new turbine development process. Small rotor mass leads to better balance and some additional opportunities for the rotor rotation speed increase with wider area of application of such a turbine. Possibilities of turbine usage without a stator were considered during the designing stage and turbines from the active turbine group are of the particular interest in this case. Turbine blades must be thin, but strong at the same time and that is why loop type blades are considered. It is well-known fact that majority of the design studies are based on the experience accumulated by a huge number of specialists and this principle is important to use, including the information from patents databases.

In order to test the working efficiency of the considered machine – elements and joints models are created. Conversion of the compressed gas energy to mechanical energy principles was tested. Principles of the conversion of mechanical energy to electrical energy and further to heat energy were tested using electromechanical transmission.

References

1. Sazonov I.A., Mokhov M.A., Design of thermoelectric generators for oil

and gas production systems, Indian Journal of Science and Technology,

2015, V. 8 (30), IPL0623, pp. 1–12, URL: http://www.indjst.org/index.php/indjst/

article/viewFile/81878/63184

2. Sazonov I.A., Mokhov M.A., Frankov M.A., Biktimirova D.R., Studying issues

of compressed gas energy recovery, Indian Journal of Science and Technology,

2016, V. 9(19), pp. 1–7, DOI: 10.17485/ijst/2016/v9i19/93904

3. Bondarenko V.V., Mokhov M.A., Sazonov Yu.A., Heat generators modeling

for oil and gas production systems (In Russ.), Neftyanoe khozyaystvo =

Oil Industry, 2015, no. 12, pp. 127–129.

4. Utility patent no. 163491 RF, Rotor lopatochnykh mashin (Rotor of impeller

machine), Inventors: Sazonov Yu.A., Mokhov M.A.

5. Sarwar N., UK Gas pipeline to generate renewable energy through geopressure

technology, Climatico. Independent analysis of climate policy,

10 January 2009, URL: http://www.climaticoanalysis.org/post/uk-gaspipeline-

to-generate-renewable-energy-through-geo-pressure-technology/

6. Kaupert Dr.K., Use better designed turboexpanders to handle flashing

fluids, Hydrocarbon Processing, 2012, URL: http://www.hydrocarbonprocessing.

com/Article/3005111/Use-better-designed-turboexpanders-tohandle-

flashing-fluids.html

7. Patent no. 2467568 EP B1., A method and an apparatus for obtaining energy

by expanding a gas at a wellhead, Inventors: Stefano F., Giacinto L.,

Luciano S.

8. Patent no. 4369373, Method and apparatus for generating electricity

from the flow of fluid through a well, Inventor: Wiseman B.W.

9. Patent no. 5117908, Method and equipment for obtaining energy from

oil wells, Inventor: Hofmann H.

10. Patent no. 6907727, Gas energy conversion apparatus and method, Inventor:

Turchetta J.M.

11. Patent no. 7043905, Gas energy conversion apparatus and method, Inventor:

Turchetta J.M.

12. Patent no. 5606858, Energy recovery, pressure reducing system and

method for using the same, Inventors: Nadiv A., Meir R., Yoel G.

13. Patent no. 2043788, Rotary steam friction motor, Inventor: Adair C.W.

14. Patent no. 7018167, Fluid machinery, Inventor: Minoru Y.

15. Sazonov Yu.A., Osnovy rascheta i konstruirovaniya nasosno-ezhektornykh

ustanovok (Bases for design and construction of pumping and

ejecting plants), Moscow: Neft’ i gaz Publ., 2012, 300 p.



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