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Trap preparatory prospecting should focus on the entire play and select favorable tertiary structures as breakthrough points to quickly discover oil and gas fields.

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The basic task of trap preparatory prospecting is to take the optimal trap as the overall object, reveal the oil and gas content of the optimal trap through wildcat well drilling, so as to discover oil and gas fields, and calculate Indicated PIIP and Inferred PIIP of reserves to provide objects for reservoir appraisal exploration.

Trap preparatory prospecting is to carry out exploration work on the most favorable oil and gas play selected during the detailed investigation of the play, from the beginning of trap preparation to the entire process of trap preparatory prospecting and proved up of oil and gas fields.

For traps where drilling fails, a decision must be made to abandon exploration.

For traps that have obtained oil and gas flow, early reservoir description, Indicated PIIP and Inferred PIIP of reserves calculation are required.

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