Translation. Region: Russian Federation –
Source: Rosneft – Rosneft – An important disclaimer is at the bottom of this article.
Samotlorneftegaz, a Rosneft production asset, has reduced the construction time of wells using multi-stage hydraulic fracturing (MSHF) in deep formations to 5 days from 47 to 42. This result was achieved by using domestically produced new-model HF couplings. They are driven by new-model bushings with soluble balls of a single size.
Rosneft is systematically working on the development of domestic technologies and import substitution. Developments of corporate research institutes and equipment of domestic manufacturing plants are actively implemented at production sites.
The design feature of the new couplings made it possible to ensure the tightness of horizontal wells by fully cementing the shank. This allows for faster multistage hydraulic fracturing and an economic effect of up to 9 million rubles per cycle on one well. With traditional technology, couplings activated by dropping soluble balls of different diameters were used, and horizontal sections were isolated using specialized devices (casing packers), which increased the cost of the operation and extended the drilling time of the well.
The use of new-style couplings makes it possible to carry out hydraulic fracturing operations with an unlimited number of stages and increase the starting flow rate of wells.
Reference:
Samotlorneftegaz is one of the main production assets of Rosneft. The company is developing the largest Samotlor field in Russia, where industrial hydrocarbon production began in 1969. The share of wells with multistage hydraulic fracturing in the total volume of drilling of the company exceeds 86%.
Department of Information and Advertising of PJSC NK Rosneft October 24, 2024
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