- The manager of every mine shall ensure that temporarily closed wells for a period exceeding thirty days are monitored periodically and wherever the wells are not monitored, the following precautions shall be taken, namely:(a)it shall be filled with mud or water or oil or salt solution or any special chemical so that the hydrostatic pressure of the fluid column over-balances the formation pressure to prevent leakage of petroleum at the wellhead;(b)the control valves of the Christmas tree shall be completely closed and control wheels be removed;(c)the Christmas tree shall be examined for leakage at least once in thirty days by a competent person authorised for the purpose and in case any leakage is detected during such examination, the competent person shall take immediate steps to stop it;(d)a report of every such examination shall be recorded and maintained by the person who made the examination;(e)the well head shall be preferably covered with suitably designed portable protective cover as a security measure.
