1. (a) A log and history for each well showing chronologically the following applicable data:

   1. (1) Character and depth of formations, water-bearing strata, oil and gas-bearing zones, and lost circulation zones encountered.
   2. (2) Casing size, kind, top, bottom, perforations, and attached equipment used.
   3. (3) Tubing size, and depth, type and location of packers, safety devices, and other tubing equipment used.
   4. (4) Hole size.
   5. (5) Cementing and plugging operations including time, depth, slurry volume and composition, fluid displacement, fill, pressures used, and down-hole equipment used.
   6. (6) Drillstem and formation tests including time, depth, pressures, and recovery (volume and description).
   7. (7) BOPE installation, inspections, pressure tests, and drills.
   8. (8) Shut-off, pressure, and lap tests of casing.
   9. (9) Depth and type of all electrical, physical or chemical logs, tests, or surveys run.
   10. (10) Wellhead specifications and method of production.
2. (b) Core record showing the depth, character, and fluid content of all cores, including sidewall cores, so far as determined.
3. (c) Filing records.
4. (d) Records at wellsite.

The operator of any well shall keep, or cause to be kept, an accurate record of each well consisting of but not limited to the following:

History

1. Repealer of subsections (c) and (d) filed 8-13-76 as procedural and organizational; effective upon filing (Register 76, No. 33).