Revolutionary Achievement: Record-Breaking Performance of the Rotary Vertical Drilling System at Wira Shaft

Wira Shaft - Rotary Vertical Drilling System
Underground at Prominent Hill. Image credit: OZ Minerals.
Summary:

In the field of vertical drilling, advancements are always on the horizon. Recently, Raising Australia managed to break the existing record with their Rotary Vertical Drilling System (RVDS) at the Prominent Hill operation. This event signifies a major milestone in the history of vertical drilling and underscores the capabilities of modern drilling systems.

Key Takeaways:

1. Raising Australia  achieved a new RVDS record at the Wira Shaft, with a total of 702.6 m of development over 324.19 hours.

2. The RVDS is a reliable and accurate drilling system, as demonstrated in over 450 projects worldwide.

3. The Wira Shaft mine expansion project is expected to extend the mine life until at least 2036.

In the field of vertical drilling, advancements are always on the horizon. Recently, Raising Australia managed to break the existing record with their Rotary Vertical Drilling System (RVDS) at the Prominent Hill operation. This event signifies a major milestone in the history of vertical drilling and underscores the capabilities of modern drilling systems.

“The achievement is a testament to the reliability, accuracy, and efficiency of the RVDS,” said a representative from Raising Australia.

Image Source: International Mining

Rotary Vertical Drilling System: A Brief History

The RVDS was first introduced by MICON, a leading name in the drilling industry, and has since proven its worth in over 450 projects across the globe. This programmable and self-steering device has shown its reliability and accuracy by deflecting less than 0.1% over the drilling distance on average.

Record-Breaking Performance

The recent record-breaking performance at the Wira Shaft is particularly notable because it exceeded the previous record set in 2013. A total of 702.6 m of development over 324.19 hours now makes the pilot hole at the Wira Shaft the longest single unit pass using the MICON RVDS.

The Wira Shaft Project

Byrnecut Group, the parent company of Raising Australia, was entrusted with the Wira shaft work. The mine was under the ownership of OZ Minerals, which has recently become a part of BHP. This project is a part of the shaft sinking project at Wira, and the recent record was achieved as a part of this endeavor.

Contribution to Mine Life Extension

BHP stated in its full-year results that the Wira shaft mine expansion project is currently under construction. The hoisting shaft is anticipated to extend the mine life until at least 2036 and may potentially provide access to mineralization outside the current mine plan.

The Rotary Vertical Drilling System: An In-depth Look

The RVDS consists of two modules integrated into the lower part of the bottom hole assembly between the drill bit and the first string stabilizer. A read-out unit, complete with a pressure transducer, an interface unit, and a computer in the driller cabin, completes the system.

Conclusion

In conclusion, the record-breaking performance of the RVDS at the Wira Shaft is a testament to Raising Australia’s commitment to innovation and the overall capabilities of the RVDS. This achievement not only sets a new benchmark in the drilling industry but also promises a brighter future for mining operations.

Rotary Vertical Drilling

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