Fang Oil Field is located in the Fang District,
Chiang Mai Province and is the first to have been developed in Thailand Figure 1.1. This field is managed and operated by the Defence Energy Department. In the past, the primary production rate of this field was 1,200 barrels per day.
The production rate has declined to as much as 700 barrels per day. Thus, it is necessary to find the method for increasing the production rate. One of the methods is to plan for additional production wells in existing oil fields and exploration wells in new areas.