The effect of the chemical nature of emulsifiers of some fatty acid derivatives and ethanolamines on the oil-based drilling fluids properties

UDK: 622.24.063
DOI: 10.24887/0028-2448-2018-1-42-47
Key words: emulsifier, surfactant, invert emulsion, oil-based mud, oil-in-water emulsion mud, oil-based drilling fluid
Authors: V.A. Yanovsky (Tomsk State University, RF, Tomsk), M.O. Andropov (Tomsk State University, RF, Tomsk), R.A. Churkin (Tomsk State University, RF, Tomsk), R.S. Fakhrislamova Tomsk State University, RF, Tomsk), A.D. Fenzel (Tomsk Polytechnic University, RF, Tomsk), K.M. Minaev (Tomsk Polytechnic University, RF, Tomsk)

The current research is devoted to the comparative examination of the properties of oil-based drilling fluid which are stabilized by condensation product of fatty and resin acids of tall oil with the ethanolamines. It is proved that the chemical nature of the emulsifier has a crucially different impact on the properties of oil-based drilling fluid. The drilling fluids which contain fatty acid diethanolamide or triethanolamine ethers as emulsifiers, ranging from 4 to 40 g/dm³, have similar rheological and filtration properties. At the same time, diethanolamide based drilling fluids with regard to mean and high density of the emulsifier, demonstrate strong electrical stability performance and can be up to 450–480 V. On the contrary, monoethanolamides of the fatty acids form oil-based drilling fluid which exhibit much higher structural-mechanical properties: having virtually the same plastic viscosity such muds demonstrated characteristics of the dynamic and gel strength which are 2–3 times higher than the similar indicators of the drilling fluids, stabilized by diethanolamide or by triethanolamine ethers. The nature of the emulsifiers under study also leads to the fundamental differences in the filtration properties of oil-based drilling fluid. The filtration of the drilling fluids on the base of diethanolamide and triethanolamine ethers is on average 4–6 cm2 (per 30 min) and tends reduce gradually when the concentration of the emulsifier is increased. On the contrary, the analogous drilling fluids containing monoethanolamide demonstrate the increase of the filtrate loss (up to 15–22 cm2) which is observed in high emulsifiers concentration region.

References

1. Glushchenko V.N., Obratnye emul’sii i suspenzii v neftegazovoy promyshlennosti (Inverted emulsions and suspensions in oil-and-gas industry), Moscow: Interkontakt Nauka Publ., 2008, 725 p.

2. Kravchuk M.V., Bliznyukov V.Yu., Ulyasheva N.M., Logachev Yu.L., Experience of formulation simulation of hydrocarbon-based weighted drilling solutions with specified process parameters (In Russ.), Stroitel’stvo neftyanykh i gazovykh skvazhin na sushe i na more, 2016, no. 2, pp. 19-23.

3. Arslanbekov A.R., Lutfullin A.A., Medentsev A.V., Mosin V.A., Korolev A.V., Drilling in oil-wet reservoirs with oil based mud systems (In Russ.), Burenie i neft’, 2014, no. 9, pp. 29-32.

4. Grigor’ev M.S., Sidorov D.N., Vlasov E.N., Korolev A.V., Ryabtsev P.L., RUO UNIDRIL for drilling wells with abnormally high pressure in the Yamal - Nenets autonomous district recipe development (In Russ.), Burenie i neft’, 2017, no. 3, pp. 46-48.

5. Konesev V.G., Khomutov A.Yu., Application of oil-based drilling muds in reservoir rocks of Gazpromneft-Noyabrskneftegas JSC fields (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2016, no. 5, pp. 44-45.

6. Shishkov S.N., Koshelev V.N., Shishkov V.S., Zavorotny V.L., Unwater-base drilling fluids. Problems, prospects of development and domaine of application (In Russ.), Burenie i neft’, 2008, no. 3, pp. 26-29.

7. Minaeva E.V., Nedelko E.S., Skotnov S.N., Yarovenko O.I., Vafin R.F., Malakhova R.D., Developing and implement high-weighted muds. oil based drilling muds with a flat rheology profile for penetration of productive horizons with high pressures (In Russ.), Neft’. Gaz. Novatsii, 2014, no. 9 (188), pp. 30-33.

8. Il’yasov S.E., Popov S.G., Orgomelidze G.V. et al., Emulsion drilling fluids - trends in technology development (In Russ.), Territoriya NEFTEGAZ, 2011, no. 11, pp. 14–17.

9. Yanovskiy V.A., Churkin R.A., Andropov M.O., Kosova N.I., Synthesis and study of properties of emulsifiers for reverse emulsions based on derivatives of acids of tall oil distillate and ethanolamines (In Russ.), Vestnik Tomskogo gosudarstvennogo universiteta, 2013, V. 370, pp. 194–199.

10. Yanovsky V.A., Andropov M.O., Fakhrislamova R.S., Churkin R.A., Minaev K.M., Ulyanova O.S., Rheological properties of inverse emulsions stabilized by ethanolamides of tall oil fatty acids, MATEC Web Conf., 2016, V. 85, pp. 1-7.

11. Minaev K., Epikhin A., Novoseltsev D., Andropov M., Yanovsky V., Ulyanova O., Research of inverted emulsions properties on the base of new emulsifiers, IOP Conf. Ser. Earth Environ., 2014, V. 21, pp. 1-6.

12. Mäki-Arvela1 P., Tkacheva A., Dosmagambetova I., Chapelliere Y., Hachemi I., Kumar N., Aho A., Murzin D.Y., Thermal and catalytic amidation of stearic acid with ethanolamine for production of pharmaceuticals and surfactants, Top. Catal, 2016, V. 59, pp. 1151-1164.

13. Maag H., Fatty acid derivatives: Important surfactants for household, cosmetic and industrial purposes, J. Am. Oil Chem. Soc., 1984, V. 61, no. 2, pp. 259-267.

14. Kroll H., Nadeau H., The Chemistry of lauric acid-diethanolamine condensation products, J. Am. Oil Chem. Soc., 1957, V. 34, no. 6, pp. 323-326.

15. Hermoso J., Martinez-Boza F., Gallegos C., Influence of aqueous phase volume fraction, organoclay concentration and pressure on invert-emulsion oil muds rheology, J. Ind. Eng. Chem, 2015, V. 22, pp. 341-349.

The current research is devoted to the comparative examination of the properties of oil-based drilling fluid which are stabilized by condensation product of fatty and resin acids of tall oil with the ethanolamines. It is proved that the chemical nature of the emulsifier has a crucially different impact on the properties of oil-based drilling fluid. The drilling fluids which contain fatty acid diethanolamide or triethanolamine ethers as emulsifiers, ranging from 4 to 40 g/dm³, have similar rheological and filtration properties. At the same time, diethanolamide based drilling fluids with regard to mean and high density of the emulsifier, demonstrate strong electrical stability performance and can be up to 450–480 V. On the contrary, monoethanolamides of the fatty acids form oil-based drilling fluid which exhibit much higher structural-mechanical properties: having virtually the same plastic viscosity such muds demonstrated characteristics of the dynamic and gel strength which are 2–3 times higher than the similar indicators of the drilling fluids, stabilized by diethanolamide or by triethanolamine ethers. The nature of the emulsifiers under study also leads to the fundamental differences in the filtration properties of oil-based drilling fluid. The filtration of the drilling fluids on the base of diethanolamide and triethanolamine ethers is on average 4–6 cm2 (per 30 min) and tends reduce gradually when the concentration of the emulsifier is increased. On the contrary, the analogous drilling fluids containing monoethanolamide demonstrate the increase of the filtrate loss (up to 15–22 cm2) which is observed in high emulsifiers concentration region.

References

1. Glushchenko V.N., Obratnye emul’sii i suspenzii v neftegazovoy promyshlennosti (Inverted emulsions and suspensions in oil-and-gas industry), Moscow: Interkontakt Nauka Publ., 2008, 725 p.

2. Kravchuk M.V., Bliznyukov V.Yu., Ulyasheva N.M., Logachev Yu.L., Experience of formulation simulation of hydrocarbon-based weighted drilling solutions with specified process parameters (In Russ.), Stroitel’stvo neftyanykh i gazovykh skvazhin na sushe i na more, 2016, no. 2, pp. 19-23.

3. Arslanbekov A.R., Lutfullin A.A., Medentsev A.V., Mosin V.A., Korolev A.V., Drilling in oil-wet reservoirs with oil based mud systems (In Russ.), Burenie i neft’, 2014, no. 9, pp. 29-32.

4. Grigor’ev M.S., Sidorov D.N., Vlasov E.N., Korolev A.V., Ryabtsev P.L., RUO UNIDRIL for drilling wells with abnormally high pressure in the Yamal - Nenets autonomous district recipe development (In Russ.), Burenie i neft’, 2017, no. 3, pp. 46-48.

5. Konesev V.G., Khomutov A.Yu., Application of oil-based drilling muds in reservoir rocks of Gazpromneft-Noyabrskneftegas JSC fields (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2016, no. 5, pp. 44-45.

6. Shishkov S.N., Koshelev V.N., Shishkov V.S., Zavorotny V.L., Unwater-base drilling fluids. Problems, prospects of development and domaine of application (In Russ.), Burenie i neft’, 2008, no. 3, pp. 26-29.

7. Minaeva E.V., Nedelko E.S., Skotnov S.N., Yarovenko O.I., Vafin R.F., Malakhova R.D., Developing and implement high-weighted muds. oil based drilling muds with a flat rheology profile for penetration of productive horizons with high pressures (In Russ.), Neft’. Gaz. Novatsii, 2014, no. 9 (188), pp. 30-33.

8. Il’yasov S.E., Popov S.G., Orgomelidze G.V. et al., Emulsion drilling fluids - trends in technology development (In Russ.), Territoriya NEFTEGAZ, 2011, no. 11, pp. 14–17.

9. Yanovskiy V.A., Churkin R.A., Andropov M.O., Kosova N.I., Synthesis and study of properties of emulsifiers for reverse emulsions based on derivatives of acids of tall oil distillate and ethanolamines (In Russ.), Vestnik Tomskogo gosudarstvennogo universiteta, 2013, V. 370, pp. 194–199.

10. Yanovsky V.A., Andropov M.O., Fakhrislamova R.S., Churkin R.A., Minaev K.M., Ulyanova O.S., Rheological properties of inverse emulsions stabilized by ethanolamides of tall oil fatty acids, MATEC Web Conf., 2016, V. 85, pp. 1-7.

11. Minaev K., Epikhin A., Novoseltsev D., Andropov M., Yanovsky V., Ulyanova O., Research of inverted emulsions properties on the base of new emulsifiers, IOP Conf. Ser. Earth Environ., 2014, V. 21, pp. 1-6.

12. Mäki-Arvela1 P., Tkacheva A., Dosmagambetova I., Chapelliere Y., Hachemi I., Kumar N., Aho A., Murzin D.Y., Thermal and catalytic amidation of stearic acid with ethanolamine for production of pharmaceuticals and surfactants, Top. Catal, 2016, V. 59, pp. 1151-1164.

13. Maag H., Fatty acid derivatives: Important surfactants for household, cosmetic and industrial purposes, J. Am. Oil Chem. Soc., 1984, V. 61, no. 2, pp. 259-267.

14. Kroll H., Nadeau H., The Chemistry of lauric acid-diethanolamine condensation products, J. Am. Oil Chem. Soc., 1957, V. 34, no. 6, pp. 323-326.

15. Hermoso J., Martinez-Boza F., Gallegos C., Influence of aqueous phase volume fraction, organoclay concentration and pressure on invert-emulsion oil muds rheology, J. Ind. Eng. Chem, 2015, V. 22, pp. 341-349.



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