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Highlights
Zephyr Energy’s State 36 2R well in Utah achieved a peak output of oil and gas without fracture stimulation.
Technological tools confirmed consistent hydrocarbon inflow across the horizontal section of the wellbore.
The company employed acid stimulation and hydrajet perforation methods to align production with geological estimates.
Oil and gas production continues to play a central role in the global energy landscape, marked by exploration activities that aim to maximise reservoir performance. Among companies in this space, Zephyr Energy PLC (LSE:ZPHR), which is associated with FTSE indices, has recently reported early-stage outcomes from its State 36 2R well located in the Paradox Basin of Utah, a development that aligns with ongoing updates surrounding ftse 100 news.
Early Flow Rates Demonstrate Reservoir Productivity
The State 36 2R well yielded a substantial flow of hydrocarbons during its initial test phase. The peak production rate was achieved using an open-hole completion without the aid of fracture stimulation. The well sustained a high flow rate, which consisted of crude oil and natural gas, over the test duration. Operations were carried out using an 18/64 inch choke, maintaining steady pressure at the bottom of the hole, indicating effective reservoir pressure support.
A shorter-duration test, using a smaller 8/64 inch choke over a two-day period, also showed consistent flow levels, demonstrating reservoir responsiveness even under constrained flow conditions. This performance supports the efficiency of the well design and points to productive hydrocarbon zones along the lateral section.
Technological Indicators Point to Reservoir Continuity
Advanced diagnostic technologies such as fibre optic sensors were employed during the testing process. These tools registered a consistent influx of hydrocarbons along the full horizontal section of the well. Such results indicate that a broad section of the targeted geological formation is actively contributing to the overall output.
Previously, assessments had been based on limited data from a shorter interval, which now appears to represent only a fraction of the producing zone. The broader activation seen in the latest results marks a development in understanding the reservoir's overall composition and productivity.
Operational Execution and Water Management
The well was completed without hydraulic fracturing, using a combination of hydrajet perforation and acid stimulation methods. These completion techniques were tailored to match geological expectations and achieved results consistent with internal reservoir quality estimates.
Water handling is a major factor in onshore drilling economics, particularly in the United States. In this case, water production was maintained at minimal levels, reportedly below one percent. This level of water management has operational advantages, reducing associated treatment and disposal requirements, and streamlining the surface infrastructure needed for sustainable production.
Laboratory Analysis and Ongoing Assessment
Fluid samples collected during the testing program are undergoing detailed analysis to determine their physical and chemical characteristics. These analyses are expected to offer further clarity regarding the reservoir’s fluid makeup, with implications for processing and handling logistics.
Future assessments will include modelling and resource estimations based on the accumulated test data. This phase will incorporate both flow measurements and formation response data to evaluate the broader geological characteristics of the Paradox Basin.
Forward Planning and Strategic Alignment
Zephyr Energy has indicated that while fracture stimulation was not necessary for the initial production phase, it remains a future option if production enhancement is required. The current test strategy aligns with the company’s broader approach to resource development in underexplored onshore basins.
Updates relating to the Paradox Basin project, including volumetric estimations and long-term operational planning, are anticipated in upcoming announcements. These developments are being closely monitored by stakeholders tracking ftse 100 news and broader UK-listed energy sector activities.
