Code of Federal Regulations Title 30. Mineral Resources § 30.250.864 Erosion

You must have a program of erosion control in effect for wells or fields that have a history of sand production. The erosion-control program may include sand probes, X–ray, ultrasonic, or other satisfactory monitoring methods.You must maintain records for each lease that indicate the wells that have erosion-control programs in effect. You must also maintain the results of the programs for at least 2 years and make them available to BSEE upon request.