harbour energy plc on thursday reported a 40 rise in production for the first half of the year which was boosted by a full contribution from the premier portfolio and its uk investment program which has seen a number of new wells bought online heres what the ftse 250listed oilandgas company had to say production averaged 211000 barrels of oil equivalent per day 1h 2021 151 kboepd split 196 kboepd uk  15 kboepd international and 111 kboepd liquids  100 kboepd gas over the period operating costs for the first half were 542 million equating to 142barrels of oil equivalent on a unit of production basis 1h 2021 150boe lower than the prior period due to higher volumes and a weaker pound sterling to us dollar exchange rate following the startup of tolmount and completion of the majority of the summer maintenance campaigns we have narrowed our 2022 production guidance to 200210 kboepd reflecting reduced uncertainty second half production is anticipated to be slightly lower than in the first half reflecting planned shutdowns at beryl aele and catcher in july and august now largely completed harbour now expects unit operating costs on a full year basis to be at the low end of the 1516boe guidance range assuming a 125gbp exchange rate for the remainder of the year full year 2022 capex guidance is reduced from 13 billion to 12 billion primarily due to the delayed arrival of two rigs in the uk the revised guidance reflects an increase of 30 over 2021 and includes significant drilling activity in the second half of the year including at jarea and beryl in the uk chim sao in vietnam and block 30 in mexico forecast free cash flow for the full year 2022 increased to 1820 billion after c 500 million of uk tax payments before dividends and share buybacks forecast to be net debt free in 2023 unchanged shares at 0715 gmt were up 3440 pence or 8 at 46490 pence