The fracking operations of Polish shale on two Baltic Basin concessions has brought “encouraging results”, San Leon Energy announced today.
The company completed the first flow back, testing and analysis of the Ordovician shale at the Lewino-1G2 well in Gdansk W Concession.
The well pumped over 11,000 barrels of fluid and 95 tons of sand proppant at an average of 120 barrels per minute, at a depth of 3,545.5 to 3,550 meters.
This was the highest frac pump rate ever performed outside the US, pumped at a maximum pressure of 12,200 psi, the company said.
San Leon is planning additional vertical fracs in Lewino-1G2 in the Ordovician shale, to include a re-fracing at the existing fractured zone.
A separate first frac took place at Rogity-1 well on the Braniewo S Concession, which has brought “encouraging results”.
San Leon has mapped a large Cambrian structure at the Rogity-1 well, which it is analysing as a sweet spot for oil production via fractures.
Following the clean-up of the first frac out of a three-stage fracking programme, the accumulated oil was sampled.
Further clean up and testing is planned for later this month, the company announced.
Both operations were set out to investigate the frackability and production potential of the shale deposits.
“We are delighted to prove the presence of mobile oil in the Cambrian tight sand of Rogity-1,” said Oisin Fanning, San Leon executive chairman.
“ We look forward both to the further clean-up and testing of this secondary target, as well as to the fracking of the overlying primary shale oil targets.
“The amount of data collected along with the flow of burnable gas from the Lewino-1G2 well is an excellent result for this initial frac at Lewino and exceeded our expectations for San Leon’s first frac in the basin and further underpins our belief that we are in one of the highest potential blocks in the basin.
“We are at a critical stage in our shale gas exploration in Poland and we are excited to have flowed gas to surface and to have recovered the necessary information to continue to prove this play.”