Ministerial Regulation No. 11 establishing safety zones and distance marks for onshore petroleum exploration and production issued under the provisions of the Petroleum Act B.E. 2514 (No. 11 B.E. 2524).

This Ministerial Regulation amends Ministerial Regulation No, 6 B.E. 2514 by substituting the provisions of paragraphs 1 (1) an (2) with new paragraphs providing for the establishment of safety zones and distance marks for onshore petroleum and production operations.