Log requirements generally

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  1. (a) It shall be the duty of the owner of any well drilled for gas or oil to keep a careful and accurate log of the drilling of the well.

  2. (b) The log shall show:

    1. (1) The character and depth of the formation passed through or encountered in the drilling of the well; and

    2. (2) The location and depth of the water-bearing strata, together with the character of the water encountered from time to time; and

    3. (3) At what point the water was shut off, if at all, and if not, so state in the log; and

    4. (4) The depth at which oil-bearing or gas-bearing strata is encountered; and

    5. (5) The character of the oil-bearing or gas-bearing strata; and

    6. (6) Whether all water overflowing or underlying the oil-bearing or gas-bearing strata was successfully and permanently shut off, so as to prevent the percolation or penetration into the oil-bearing or gas-bearing strata.

  3. (c) The log shall:

    1. (1) Be verified by the person in charge of the drilling;

    2. (2) Be attested as correct by the owners of the well;

    3. (3) Be filed with the county clerk of the county in which the well is located, and preserved by him or her in the public records; and

    4. (4) Definitely describe the location of the well.


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