---
kind: "section"
citation: "43 C.F.R. § 3264.13"
title: "43"
number: "3264.13"
heading: "What drilling and operational records must I maintain for each well?"
url: "https://uscodex.org/cfr/43/3264.13"
---

# §3264.13. What drilling and operational records must I maintain for each well?


You must keep the following information for each well, and make it available for BLM to inspect, upon request:

- (a) A complete and accurate drilling log, in chronological order;
- (b) All other logs;
- (c) Water or steam analyses;
- (d) Hydrologic or heat flow tests;
- (e) Directional surveys;
- (f) A complete log of all subsequent well operations, such as cementing, perforating, acidizing, and well cleanouts; and
- (g) **Any other information regarding the well that could affect its status.**

## Notes

### Authority

Authority: 30 U.S.C. 1001-1028; 43 U.S.C. 1701 et seq.; and Pub. L. 109-58.

### Source

Source: 72 FR 24400, May 2, 2007, unless otherwise noted.