UKOG's interim results RNS30 Jun 2020 09:13
Update re HH -2z:
... It is now clear from the image logs recorded in the well, that both the oil and water flow originated from a series of extensive natural fractures, primarily at the toe of the well, although there are also further natural fractures observed higher up in the well. The plug was initially successful in returning flow to the reported high oil cut, however water cut built up, necessitating the well to be produced intermittently as the water disposal costs outweighed oil revenues.
The HH-2z well is currently shut in for a long duration pressure build up test to re-assess its connected oil volume. Consequently, the company has sought an extension to the current test permission in order to ensure that sufficient data is available to enable the correct forward decisions to be made.
We are reviewing a number of options for the future use of HH-2z, including stimulation to return it into long-term oil production, sidetracking the well to a different subsurface location and possibly converting it into a future water re-injection well to further reduce future operating costs (as foreseen in the Horse Hill field development plan presented to the OGA earlier this year).