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Falcon's drilling success in Beetaloo Basin

Published by , Editorial Assistant
Oilfield Technology,

Beetaloo W-1 well

Drilling operations have successfully concluded on the Beetaloo W-1 well. Results encountered are very encouraging, with the well drilled to a total depth (TD) of 3173 m.

Preliminary evaluation of this vertical exploration well confirms:

  • The continuation of the regionally pervasive Middle Velkerri formation approximately 85 km south of the Kalala S-1 and Amungee NW-1H wells.
  • A gross interval of over 570 m shale gas sequence with net pay exceeding 150 m.
  • Middle Velkerri shale falls in a highly prospective gas mature depth window.
  • Excellent gas shows at two prospective shale sweet spots at the top and base of the Middle Velkerri formation, comparable to those encountered during the 2015 drilling programme.
  • The Lower Kyalla formation, considered as a secondary shale target, provided excellent gas shows within a 150 m thick liquid rich sequence.
  • Conventional coring in the Lower Kyalla formation along with sidewall cores and extensive wireline logging in the Middle Velkerri formation will enable a full-scale evaluation of prospectivity in the southern part of the Beetaloo basin. As planned, the well was cased to TD and suspended.

    Rig 185 has been released and demobilised.

    Hydraulic Stimulation of the Horizontal Amungee NW-1H Well

  • Hydraulic stimulation of the horizontal Amungee NW-1H well has been completed.
  • 11 hydraulic stimulation stages were performed over a 1000 m horizontal section.
  • The flow back of hydraulic stimulation fluids has commenced, and gas should start flowing back to surface in the next week or two.
  • Northern Territory Government Moratorium

    Falcon notes the statement made by Chief Minister Michael Gunner, of the newly elected Government in relation to the introduction today of a moratorium on hydraulic fracturing in the Northern Territory, Australia.

    The Chief Minster has stated that:

    "The moratorium on hydraulic fracturing of onshore unconventional reservoirs within the Northern Territory will remain in place until government has thoroughly considered the recommendations of the (independent scientific) inquiry."

    The joint venture will work with the new Government to understand their moratorium policy and shall cooperate with them as required during their scientific inquiry.

    Philip O'Quigley CEO of Falcon commented on the results:

    "The results of Beetaloo W-1 to date and the successful hydraulic stimulation of Amungee NW-1H represent further positive steps for the exploration phase of the program. Encountering significant net pay in the Middle Velkerri formation, 85 km from our 2015 drilling programme along with significant net pay in the Lower Kyalla formation is very encouraging.

    Updates to the market shall be provided as the evaluation of Beetaloo W-1 is completed and a steady gas flow rate is established on Amungee NW-1H. We will also provide further information on the moratorium as it becomes available."

    For more information, please visit:

    Adapted from a press release by Louise Mulhall

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