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Helium One Global (AIM:HE1), the leading helium exploration company in Tanzania, announced the commencement of drilling operations at the Itumbula West-1 (ITW-1) well on 26 July 2024. This marks a significant step forward in the company's exploration efforts, following promising initial results earlier in the year.
Drilling and Testing Plans
The ITW-1 well is set to undergo an extended well test (EWT), targeting two primary intervals: the fractured Basement and the faulted Karoo. This follows a successful flow of 4.7% helium to the surface during a drill stem test (DST) conducted in February 2024. Before initiating the EWT, the well will be deepened further into the Basement to maximize the exploration potential.
Advanced Monitoring and Testing Technologies
Helium One has engaged Geolog to perform mudlogging and testing while drilling, monitoring helium gas shows. Preliminary observations have already indicated above-background levels of helium and hydrogen during the drilling process, particularly while drilling out the 9⅝" shoe and re-entering the original wellbore.
To ensure precise measurement and validation of helium gas shows, a portable mass spectrometer and a field pressure-volume-temperature specialist are on site. These tools and personnel will also collect downhole samples during the EWT, providing critical data for further analysis.
Collaboration with Global Technology Leaders
In addition to its in-house expertise, Helium One has contracted SLB (formerly Schlumberger), a renowned global technology company, for fluid services. SLB's surface well testing equipment is currently en route to the operating location, underscoring the project's high technical standards and the company's commitment to thorough testing and data collection.
Projected Timeline and Future Prospects
The Phase III operations, which include drilling from spud to the completion of the EWT, are expected to take approximately five weeks. This timeline is crucial for Helium One to gather comprehensive data on the well's potential and to plan future exploration and development activities effectively.
