Yellow River Drilling Company 5 unconventional well construction achievements

The Yellow River Drilling Company 5 vigorously implements scientific drilling, and speeds up the development of unconventional wells. Combined with unconventional well types and stratigraphic features, it starts with bit selection, strict construction design, improved regional model and optimized drilling tool combination. Strengthening key tasks such as technological innovation and promotion and application of new technologies has solved a series of unconventional well construction problems and ensured the normal construction of unconventional wells. As of March 4, 2013, the company's construction of the oilfield focused on unconventional wells drilling 10, 9 wells, the cumulative drilling footage of 41,599 meters, the well quality and cementing quality of the wells reached 100%. It was highly praised by Party A. In the construction of the unconventional Jingfan 154-Ping 4 well, the company broke through the mindset and challenged the PDC drill bit to play slowly in the conglomerate layer. After comprehensive technical considerations, the high-performance PDC bit was optimized, and the PDC bit was successfully solved. The problems of slow aging and poor trajectory control in straight and large wells have created a mechanical drilling rate of 11.3 m/h for the same type of wells in the Fan 154 block, 53 days for the construction period, and 4 hours for the drilling cycle for 34 days and 12 hours. The high production index of the project creates the shortest drilling cycle record for the same type of well in the block.

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