UWI meaning in oil and gas
Definition
Unique Well Identifier
UWI means Unique Well Identifier. API twelve digit (99-999-99999-99) code structure. First two digits represent State Code or Pseudo State Code. Three Following Digits represent County code or Pseudo County Code. Five…
API twelve digit (99-999-99999-99) code structure. First two digits represent State Code or Pseudo State Code. Three Following Digits represent County code or Pseudo County Code. Five Following Digits represent Unique Well Code, Sequential number to represent the no. of wells permitted for each country. Last two digits indicates whether well is sidetrack or wellbore, it is allowed to use WB(original hole) and ST(SideTrack).
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