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The development of the sidetracks construction technology at oil fields in Perm region

UDK: 622.243.2
DOI: 10.24887/0028-2448-2019-8-32-35
Key words: sidetrack, small diameter well, multilateral well, invert-emulsion drilling fluid, the Devonian deposits
Authors: V.L. Voevodkin (LUKOIL-Engineering LLC, RF, Moscow), G.V. Okromelidze (PermNIPIneft Branch of LUKOIL-Engineering LLC in Perm, RF, Perm)

The systematic work on search and introduction of the new methods and technologies is conducted on Perm Kray oilfields in order to increase the oil recovery of a productive formation. The sidetraking is one of such technologies that allow to increase the efficiency of oilfields at a late stage of development, to increase the enhanced oil recovery and to return to operating previously drilled oil wells. The development of the sidetrack construction technology in the Perm region oilfields is considered. The methods of cut out sidetrack, currently used in the well construction in the Perm region oilfields, are presents. Great attention is paid to the technology of multilateral wells construction. Drilling of MSS is also aimed at the residual localized oil reserves extraction of and allows to put into operation emergency and non-operating wells, as well as to work on wells which depleted their reserves. At the present level of drilling operations, multilateral well technology is turning into a viable alternative to traditional methods of oilfield development. The experience of the design and testing of multilateral wells construction technology and horizontal sidetrack technology in the oilfields of Perm region is considered. The development and widespread introduction of domestic equipment for multilateral and multi-hole wells construction, all levels of organization of the joint of the additional borehole from TAML-1 to TAML-5, will provide the further development of this technology and the transition from quantitative to new qualitative development of the oil and gas industry.

References

1. Chernyshov S.E., Turbakov M.S., Krysin N.I., The main directions of improving the efficiency of the construction of sidetracks (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2011, no. 8, pp. 98–100.

2. Gilyazov R.M., Sovershenstvovanie tekhniki i tekhnologii bureniya bokovykh stvolov (Improving the technology and technology of drilling sidetracks): thesis of doctor of technical science, Ufa, 1999.

3. Okromelidze G.V., Fefelov Yu.V., Suntsov S.V., Kuchevasov S.I., The experieence of design and construction of multihole wells (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2011, no. 10, pp. 54–55.

4. Lyadova N.A., Il'yasov S.E., Okromelidze G.V. et al., The experience of design and construction of a multihole wells (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2014, no. 3, pp. 58–60.

5. Garshina O.V., Predein A.A., Klykov P.I. et al., Geomechanical modeling as an integral part of a complex approach to wells construction in complicated geological conditions (In Russ.), Neftepromyslovoe delo, 2017, no. 5, pp. 28–33.

The systematic work on search and introduction of the new methods and technologies is conducted on Perm Kray oilfields in order to increase the oil recovery of a productive formation. The sidetraking is one of such technologies that allow to increase the efficiency of oilfields at a late stage of development, to increase the enhanced oil recovery and to return to operating previously drilled oil wells. The development of the sidetrack construction technology in the Perm region oilfields is considered. The methods of cut out sidetrack, currently used in the well construction in the Perm region oilfields, are presents. Great attention is paid to the technology of multilateral wells construction. Drilling of MSS is also aimed at the residual localized oil reserves extraction of and allows to put into operation emergency and non-operating wells, as well as to work on wells which depleted their reserves. At the present level of drilling operations, multilateral well technology is turning into a viable alternative to traditional methods of oilfield development. The experience of the design and testing of multilateral wells construction technology and horizontal sidetrack technology in the oilfields of Perm region is considered. The development and widespread introduction of domestic equipment for multilateral and multi-hole wells construction, all levels of organization of the joint of the additional borehole from TAML-1 to TAML-5, will provide the further development of this technology and the transition from quantitative to new qualitative development of the oil and gas industry.

References

1. Chernyshov S.E., Turbakov M.S., Krysin N.I., The main directions of improving the efficiency of the construction of sidetracks (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2011, no. 8, pp. 98–100.

2. Gilyazov R.M., Sovershenstvovanie tekhniki i tekhnologii bureniya bokovykh stvolov (Improving the technology and technology of drilling sidetracks): thesis of doctor of technical science, Ufa, 1999.

3. Okromelidze G.V., Fefelov Yu.V., Suntsov S.V., Kuchevasov S.I., The experieence of design and construction of multihole wells (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2011, no. 10, pp. 54–55.

4. Lyadova N.A., Il'yasov S.E., Okromelidze G.V. et al., The experience of design and construction of a multihole wells (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2014, no. 3, pp. 58–60.

5. Garshina O.V., Predein A.A., Klykov P.I. et al., Geomechanical modeling as an integral part of a complex approach to wells construction in complicated geological conditions (In Russ.), Neftepromyslovoe delo, 2017, no. 5, pp. 28–33.



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