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Onnagawa tight oil unconventional concept play

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10 December 2019

Onnagawa tight oil unconventional concept play

Report summary

The Onnagawa is a middle Miocene-aged, bio-siliceous formation found throughout Japan. The Onnagawa is part of the petroleum system associated with numerous oil and gas fields in the Akita and Niigata districts. It is considered to be the main source rock for the Ayukawa field in northern Honshu in the Akita prefecture along the Sea of Japan coastline. JAPEX started to produce tight oil from Onnagawa formation at Ayukawa oil field in 2014.

Table of contents

  • The Opportunity
  • What to watch

Tables and charts

This report includes 1 images and tables including:

  • Onnagawa Shale - First commercial production started in Ayukawa oil field.

What's included

This report contains:

  • Document

    Onnagawa tight oil unconventional concept play

    PDF 1.02 MB

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