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.
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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.
The main basis of the decision-making of play optimization includes:
A. Main target layer structure contour
B. Division and evaluation level of known oil and gas fields and traps
C. Important exploration well s and petroleum discovery
D. The size sequence distribution of reservoirs in the play
Commonly used resource evaluation methods of play include:
A. Trap addition method
B. Reservoir scale sequence method
C. Extrapolation of exploration trend
D. Resource abundance analogy