RNS Part 15 Dec 2018 07:23
Update on Workover Operations in Georgia
Wed, 5th Dec 2018 07:00
RNS Number : 4371J
Block Energy PLC
05 December 2018
Block Energy Plc / Index: AIM / Epic: BLOE.L / Sector: Oil and Gas
5 December 2018
Block Energy Plc ("the Company", "Block" or "the Group")
Update on workover operations in Georgia
Highlights
· Successful re-entry of three wells at the Company's Norio field and rigging up at a fourth ahead of the application of a specialised perforation tool selected to significantly enhance recovery rates, which is now in Georgia and shortly to arrive onsite
· The re-entries are the initial element of a multi-well work programme consisting of eight workovers and one sidetrack targeting 250 bopd at Norio by H1 2019
· PNN logging indicates encouraging intervals for perforation
· Potentially excellent payback with total development costs forecast to be recovered within 12 months
· Work to upgrade existing Norio infrastructure on schedule to be completed by year end
Block Energy Plc, the exploration and production company focused on the Republic of Georgia, is pleased to provide an update on its initial work programme focused on achieving a 25-fold increase in production at its Norio oil field to 250 bopd by H1 2019. Block holds a 100% working interest in Norio, which has gross oil reserves of 1.631 million barrels (Source: Competent Person's Report (CPR) completed by Gustavson Associates, 1 January 2018).
The Company is currently preparing four of eight wells for the application of a specialist micro drilling perforation tool which, after being shipped from North America, has landed in Georgia and is due to arrive onsite shortly. The work involves levelling and preparing the ground at the well sites for rig up and access. The programme will enable all four wells are ready for the perforating system by the end of the year.
With the exception of the sidetrack, the Norio workover programme is being carried out using an A50 workover rig. As all of the wells to be worked over have previously produced oil, it is necessary to clean and bleed off each of them to allow a scraper tool to be run down to total depth, ensuring a clear pathway for the wireline, caliper and Pulsed Neutron-Neutron (PNN) logs. The process has been carried out on three wells and is underway on the fourth. So far, the caliper logs have confirmed suitable casing dimensions for the micro drilling system, and the PNN logs indicate encouraging perforation intervals.
The perforation tool has been selected to bypass suspected damage caused by historic heavy mud drilling. It replaces conventional shaped charge perforation with a micro drilling technique able to cut horizontal drain holes at multiple levels. Following the application of the system, new or refurbished pumps will be installed to bring the wells to production.