The Offshore Installations and Wells (Design and Construction, etc.) Regulations 1996

Provision of drilling etc. information

19.—(1) Where an operation to which this paragraph applies is being carried out on a well the well-operator shall cause to be sent to the Executive, at such intervals as may be agreed or, failing agreement, at intervals of one week calculated from its commencement, a report comprising the following information—

(a) the identifying number, and any slot number, of the well;

(b) the name of any installation or vessel involved;

(c) a summary of the activity in the course of the operation since its commencement, or the previous report;

(d) the diameter and true vertical and measured depths of—

(i) any hole drilled; and

(ii) any casing installed;

(e) the drilling fluid density immediately before making the report; and

(f) in the case of an existing well, its current operational state.

(2) Paragraph (1) applies to—

(a) a drilling operation;

(b) a workover operation;

(c) an abandonment operation;

(d) an operation consisting in the completion of a well;

(e) any other operation of a kind involving substantial risk of the unplanned escape of fluids from a well.