CASE STUDY Partnership solves unique well intervention challenge BACKGROUND Located in west-central Alberta, the Cardium formation is a sandstone deposit encased in thick shale and is the main producing interval of a number of different oil fields, including Garrington, Brazeau, Willesden Green and Pembina. Pembina is the largest conventional oil field in Canada and is estimated to contain 9.3 billion barrels of original oil in place. While

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