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Whitebark Energy encounters quality oil-bearing reservoir in Rex-3 well at Wizard Lake Project in Canada

The Rex-3 well results provide strong support for additional development drilling in 2020 once the production facilities are operational.

Whitebark Energy Ltd - Whitebark Energy Ltd drills up to 3,673 metres at Rex-3 well within the Wizard Lake Project ahead of schedule
Rex-­3 is the third horizontal well drilled in the multi­-well development of the Wizard Lake Oilfield

Whitebark Energy Ltd (ASX:WBE) has drilled up to 3,673 metres measured depth (MD) at the Rex-3 well on budget and ahead of schedule at the Wizard Lake Oil & Gas Project in Alberta, Canada.

Indications are that an ‘excellent’ quality reservoir has been encountered with oil shows and porosities up to 23% over horizontal intervals of at least 1,800 metres.

The well was drilled in just eight drilling days, a day ahead of schedule, with the horizontal section being 2,098 metres, 298 metres longer and deeper than originally planned.

This was due to the presence of a continuous reservoir while drilling to the toe.

Additional metres

Managing director David Messina said: “We are very excited that Rex-3 has encountered superior reservoir qualities to Rex-2.

“We took advantage of being ahead of schedule and budget and drilled an additional 300 metres in the horizontal section to maximise our exposure to the reservoir.

“The speed and efficiency of drilling continue to impress us, and we thank our team and contractors involved in the drilling of this third Rex well.

“It is also important to note that we drilled horizontally for almost 2.1 kilometres without challenge and this means we can plan longer development wells with a high degree of confidence.

“We are obviously looking forward to completing and flow testing the well in the next 10-14 days.”

Preparing for frac program

The drilling company is now readying the well in preparation for a frac program of the Rex reservoir zone in the horizontal section of the well.

This program, which is expected to start within 10 days, may change once the results of the drilling program have been further analysed.

Whitebark will use sliding frac sleeves to isolate each zone and focus the frac energy to ensure maximum penetration of the zone.

Rex­-3 is the third horizontal well to be drilled in the multi­-well development of the Wizard Lake Oilfield and was drilled from the same pad as Rex­-1 and Rex­-2 following a drill path parallel to and around 300 metres to the east of Rex­-2.

The well penetrated the overlying sparky coals at 1,398 metres TVD and the top of the Rex sand unit at 1,403 metres TVD both within 2 metres of prognosis.

An excellent quality reservoir was encountered over a minimum of 1,800 metres of the horizontal well with free oil noted on the shakers while oil shows (fluorescence and cut) and elevated gas readings were noted in the reservoir section.

Free oil on the shakers at Rex­-3.

By drilling Rex­-3 deeper towards the toe, the well passed out of the base of the channel as planned but importantly remained in oil up to that time establishing a new lowest known oil in the channel complex and confirming a minimum oil column of 49 metres.

Rex­-3 has confirmed the Wizard Lake field extends to the east and south of previous wells while maintaining excellent quality reservoir properties over a wide area.

The Rex-3 well results validate the geological model and provide strong support for additional development drilling in 2020 once the production facilities are operational.

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