Ansila Energy has successfully completed the pumping of a hydraulic fracture stimulation of the Siciny-2 well (Gora).

Chris Lewis, Technical Director, commented: 
”With successfully pumping the frac we have hit a major milestone in the appraisal of the tight gas Carboniferous reservoir in the Siciny-2 well. We are now looking forward to flowing the well and gathering data later this month and into 2020.”

Siciny-2 well with upper and lower frac tree installation prior to frac pump. 

Following completion of the Siciny-2 well “mini frac” announced on 10 December 2019, Halliburton have successfully completed pumping of a hydraulic fracture by pumping water, frac gel, and ceramic proppant into the Carboniferous reservoir across the two perforated intervals at 3,413 metres and 3,272 metres. The complete frac program was pumped with stable pump rate and pressure throughout. Once the frac was completed the well was shut in and then subsequently opened up, the flow-back of the frac fluids from the reservoir was commenced and the well is currently flowing back the frac fluids to surface. This will continue for a number of days, prior to testing. 

Following flow back the well will be shut-in for a period to run in production tubing, a packer and downhole pressure gauges via the Ekranpol workover rig in preparation for the isochronal well test, to be followed by a longer flowing period and a long term transient pressure build-up test to gather reservoir data over an extended period. The pressure build up data, together with the flow rate data, will confirm the potential commerciality of the Siciny-2 well.   

The following operational timeline highlights the remaining wellsite operations at Siciny-2 targeting 2C contingent resources of 1.6 Tcf, which are planned to occur during the remainder of December 2019 and Q1 2020.

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