2016 Kimmeridge tests6 Sep 2018 00:42
Mining Sector: Solo up on Horse Hill-1 flow test
Tuesday, March 1, 2016 - 15:59
Solo Oil (LON:SOLO) was up in late trading after announcing that Horse Hill Developments Limited had informed the company that water-free 40-degree API, light, sweet oil has flowed naturally to surface at a stabilised rate in excess of 900 barrels per day.
This production in the Horse Hill-1 (HH-1) well comes from an 88-foot perforated zone within the Upper Kimmeridge limestone interval at a depth of approximately 840 metres below ground level.
Flow of dry oil, restricted using a 1-inch choke, commenced with a rod pump at around 13:45 hrs yesterday at an initial instantaneous rate in excess of 700 barrels per day. At approximately 14:00 hrs the well started flowing naturally and the pump was stopped. Natural flow rose to over 900 bopd at 14:15 hrs. The flow of dry oil then stabilised from 14:15 to approximately 18:30 hrs still at a rate in excess of 900 bopd.
As a consequence of flow being initialised via rod pump, the initial natural flow rates stated above were further restricted by the pump rods within the 2 7/8-inch production tubing. The well was shut in at approximately 18:30 hrs to remove the pump rods. The well was then reopened and natural flow recommenced at 22:30 hrs in order to obtain a further stabilised flow period and reservoir engineering data.
As previously announced, on completion of this Upper Kimmeridge test, operations will move to the shallower Portland sandstone oil reservoir at approximately 615 metres below ground level.
Solo chairman Neil Ritson said: "This result, coming shortly after the successful test of the Lower Kimmeridge limestone, is a clear and unequivocal demonstration of the potential of this exciting new play. Two zones independently testing at high natural flow rates clearly indicates that oil can be extracted at high rates even from vertical wells without significant stimulation. The results obtained to date are truly ground breaking and move the Kimmeridge limestone play in the Weald Basin firmly in the direction of commercial production."
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