Production at the Horndean oilfield in Hampshire increased last month (January 2025) following a workover in late 2024, a partner has reported.
UK Oil & Gas plc (UKOG), which has a 10% interest in Horndean, announced oil production averaged 200 barrels of oil per day (bopd) in January 2025.
The company said this was 60% up on the same time in 2024.
It followed the deeper seating of a downhole pump in the final quarter of the year, UKOG said. The installation of electric pumps in 2023 also led to increased production, the company added.
Official data reviewed by DrillOrDrop, showed the field reported production of 125 bopd in January 2024.
But according to the data, published by the North Sea Transition Authority (NSTA), Horndean oil production was 196bopd in October 2024 and 170bopd November 2024, the most recent data publicly available at the time of writing.
The field reported a monthly average of 129 bopd from December 2023-November 2024.
According to the NSTA data, Horndean was the UK’s seventh biggest onshore oil producer in November 2024. In June 2024, it was ranked sixth. The field fell to 11th place in July and August 2024, before rising to seventh in September 2024, the data shows.
Increased production at Horndean appears to have coincided with higher volumes of vented gas, according to the data.
The field vented the largest volume of unburned gas for a UK onshore oil field in four of the past 12 months for which data is available, including November 2024.
Predictions
UKOG said the site operator, Star Energy, now forecasts that Horndean will produce 61,195 barrels of oil in 2025. This assumes an average daily rate of 168 bopd.
If achieved, the total for 2025 would be 24% higher than the 49,402 barrels produced in 2024, UKOG said. The 2024 total had been 11% higher than had been forecast, it added.
- Today’s formal statement on Horndean was the first by UKOG about its oil and gas portfolio since 28 June 2024. That announcement was also about Horndean: the field’s resources.
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