Research on the method of tapping potential for fracturing production of third class reservoirs in the second and third class synchronous drilling test area of Daqing oilfield Sazhong development zone

Changxiao Zhou

doi:10.1117/12.3004857

25 September 2023 Research on the method of tapping potential for fracturing production of third class reservoirs in the second and third class synchronous drilling test area of Daqing oilfield Sazhong development zone

Changxiao Zhou

Author Affiliations +

Proceedings Volume 12788, Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023); 127880G (2023) https://doi.org/10.1117/12.3004857
Event: Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023), 2023, Kuala Lumpur, Malaysia

Abstract

The second and third class oil reservoirs in Sazhong Development Zone of Daqing Oilfield are distributed horizontally and longitudinally, and it is difficult to subdivide and develop. The third class reserves of the second class oil reservoirs account for 41% (25.9% off-balance sheet). In order to realize simultaneous exploitation of reservoir potential in Pu II group, the three types of reservoirs that are difficult to be used by chemical flooding should be explored in the water flooding stage. However, the three types of reservoirs have the characteristics of poor development and poor connectivity, so it is necessary to achieve fine exploitation through measures. Taking BQ block of Sazhong Development Zone of Daqing Oilfield as an example, this paper has achieved good results by optimizing potential Wells, designing reasonable fracture penetration ratio and optimizing fracturing technology. Field practice has proved that compared with ordinary perforating production, the strength of sandstone production in fractured well is increased from 2.48m³ /d.m to 5.1m³ /d.m, and daily oil production is increased by 3.76t.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Changxiao Zhou "Research on the method of tapping potential for fracturing production of third class reservoirs in the second and third class synchronous drilling test area of Daqing oilfield Sazhong development zone", Proc. SPIE 12788, Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023), 127880G (25 September 2023); https://doi.org/10.1117/12.3004857

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KEYWORDS

Design and modelling

Standards development

Plutonium

Polymers

Numerical simulations

Permeability

Sand

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