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PetroNeft successfully drills Tungolskoye No. 5 well in Western Siberia


Published Oct 15, 2014
PetroNeft Resources

PetroNeft says that the vertical pilot hole of the Tungolskoye No. 5 (T-5) well has been successfully drilled. The Upper Jurassic J1 oil reservoir horizon was intersected at -2,495.8 metres true vertical depth subsea (TVDSS), which is approximately 11 metres high to the T-1 well to the south.

This is consistent with expectations and confirms the structural interpretation of Tungolskoye. Preliminary evaluation of the logs indicates that the J1 interval consists of at least 8.2 metres of net pay. An open hole test was conducted over this interval and tested at a pro-rated inflow of 100 bopd unstimulated.

The part of the well below about 800 metres will now be sealed with cement plugs to isolate the reservoir before drilling down at a different angle to properly position a new horizontal section. The well will first be drilled down to a depth of approximately -2,490 metres TVDSS and then casing will be set. Baker Hughes will then take over in order to drill the horizontal section in the reservoir. The process is expected to take approximately 3 to 4 weeks, after which the horizontal section of the well will be tested.

Tags: PetroNeft Resources plc




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