Maximising oil recovery from the UKCS

by applying proven polymer injection techniques right from the start

 
 

Orcadian, named for the beautiful Orkney Islands

Orcadian was previously known as Pharis Energy

 
 

Minimising carbon dioxide emissions

through innovative process engineering coupled with facility electrification

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Overview
Polymer flooding
P2244: Pilot & Harbour
P2320: Bowhead et al
P2482: Elke & Narwhal
P2516: Fynn

What we do

Orcadian’s strategy is to secure discovered resources at low cost and to transform those resources into reserves and onto production

The Pilot field is our key asset. The field is well appraised and ready for development, Orcadian has selected, as the very best development concept, a low salinity polymer flood with two wellhead platforms, a dedicated FPSO, and a floating wind turbine. The next step is to secure development partners (either operators or an alliance of contractors) so that we can deliver a fully financed FDP to the OGA.

To support the OGA’s Net Zero initiative we have significantly reduced process heat demands by including heat pumps in our process design and we have selected a floating wind turbine to provide power backed up by highly efficient gas fuelled reciprocating engines to ensure a continuous power supply.

IntroductionHistoryNet Zero Basin

At a glance

79 mmbbls

Proven plus probable reserves
Pilot is well appraised and development ready. Orcadian has submitted a Concept Select Report to the OGA based upon a low salinity polymer flood, the field will be developed using an FPSO and two wellhead platforms with power supplied by a floating wind turbine.
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53 mmbbls

2C contingent resources
The Elke & Narwhal discoveries can be developed using two wellhead platforms tied back to the Pilot FPSO. There are also significant appraisal opportunities on the Elke discovery with contingent resource upside of over 22 mmbbls and prospective resource potential of 61 mmbbls.
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25 mmbbls

2C contingent resources
This licence contains the Blakeney discovery (25 mmbbls, 2C) which can be developed using a wellhead platform tied back to the Pilot FPSO and some minor discoveries. There is also the prime exploration opportunity on our acreage, the 43 mmbbls Bowhead prospect, and channels which may be part of Pilot.
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29 mmbbls

2C cont. resources, mgt estimate
Fynn – Andrew is estimated to hold 50 mmbbls in place, while the heavy oil discovery Fynn – Beauly could hold between 600 mmbbls and 1,300 mmbbls in place, although only between 77 mmbbls and 202 mmbbls lie on this block. Parkmead operate this block which lies in the Outer Moray Firth.
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How polymer flooding works

The addition of a small amount of polymer to the injection water increases the water viscosity. The viscosified water can then sweep the oil with a stable flood front which accelerates production and increases recovery.

In our process design all produced water will be reinjected, thereby avoiding the possibility of releasing any polymer into the sea, but the polymer we add to our injection water is commonly used as a flocculant in water and wastewater treatment, and as a soil conditioner, so is not considered terribly damaging to the environment.

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Experiment on 2,000 cP oil: oil saturation maps during core floods

Orcadian is a company founded by engineers and geologists focussed on applying their ingenuity to creating, and delivering on, oilfield development schemes that deliver remarkable results.

Steve Brown, CEO