RE: Paul Vonk presentation4 Nov 2017 12:50
So in January we drilled the sidetrack at Brockham. We drilled that because the Horse Hill well that we drilled in 2914 had two objectives: the Portland field we knew extended into Horse Hill and there was a deeper gas target. So we drilled in 2014, it was the deepest well that was drilled onshore in more than 30 years. Unfortunately the gas wasn't there but in order to reach the gas we drilled through a lot of shale and about 400m of which was the Kimmeridge layers. Well in America there has been a big shake revolution over the last few years, so we sent the samples off to America and said can you tell us whether the shale us good enough and they came back and they said 'it's awesome, it's really great.' The problem is you cannot frack in the UK, well it's not easy, so we said it's nice that we have a good shale but there's not much we can do with that, but what we did have in it was three limestone layers in it. So the idea was at Horse Hill which we tested in 2016 is we perforated those limestone layers. We wash it out, increase the surface area and hopefully we will get like a barrel or two to surface so we can prove that we've got moveable hydrocarbons. Well what happened is that after we perforated it each layer of 20 m flowed 700 barrels so on aggregate 1400 barrels came from two 20 m limestone layers layers in Horse Hill. This happened in March 2016. We had a very bad balance sheet at the time so we said well ok we sell out our minority stake in Horse Hill and we focus back on Brockham. So detailed logging results that we got back from our well in January, we reported this to the market in March and what we found is a 385 m thick Kimmeridge limestone layer and we wanted to know is Brockham the same as Horse Hill, because Horse Hill flowed and are the characteristics that we have at Brockham the same. We did data sharing deal and we found that the maturity is exactly the same, the Kimmeridge is thicker, we have great organic content, we've got gas shows and most importantly it is filled with fractures. 200 m of that is naturally fractured so we ran the ultra wave logging tool through it and you can see he interbedded shale limestone layers in the Kimmeridge, and those fractures that is where the oil is. That is why it was missed in the past. It's like tight but the oil is there. Our colleagues at UKOG drilled the Broadford Bridge well earlier this year. They cored it and the core showed that in a well 30 kms to the SW of us again it's naturally fractured shale / limestone layers and hydrocarbons are in the fractures.
So what we were waiting for after we drilled the well in January and we got the results in March, we asked the OGA to put the well into production from the Kimmeridge. They approved it last week Monday. So we are very happy because that was the last regulatory consent that we required. We are going to perforate a 200 m section and start producing from it the moment we've made a grid connection.