UKCS: More oil in the basementIllumination of Top Basement at Lancaster, Lincoln and Warwick. Source: RPS Energy

UKCS: More oil in the basement

According to RPS Energy contingent resources of 604 MMboe are trapped at Lincoln, which would make it the second producing basement field in the UK.

Lincoln Crestal (205/26b-14) is the second well in a three-well programme on the Greater Warwick Area, following the Warwick Deep well.

On September 2nd, Hurricane finalized a 720 m horizontal section of fractured Precambrian basement reservoir.

Seismic line showing weaker Basement pick on the southern flank of Lincoln. Source: RPS Energy Report 2017

Hurricane Interpreted basement faults in Lincoln. Source: RSP Energy report 2017

A week later the company confirms that a drill stem test on the Lincoln Crestal well has produced oil to surface, resulting in a flare. The well was shut-in to enable a planned pressure build-up test.

On September 12th, Hurricane Energy presented the final well results.

Highlights

  • Maximum stable flow rate of 9,800 bopd on ESP
  • Lincoln confirmed to contain light, 43° API oil
  • No formation water produced
  • Well now planned to be suspended as a future producer

The well flowed at an average rate of 4,682 bopd under natural conditions.

Lincoln Crestal is planned to be tied-back to the Aoka Mizu FPSO during 2020, subject to further technical evaluations, regulatory consent and final investment decision by the joint venture.

The Transocean Leader semi-submersible rig will now move to the location for the third well in the 2019 GWA drilling programme, 204/30b-A ‘Warwick West’.

Map showing planned 2019 well locations (205/30b-A Warwick West, 205/26b-B Lincoln Crestal and 205/26b- ‘Warwick Deep) over GWA. Source: Hurricane Energy

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