The Offshore Installations (Safety Case) Regulations 2005

Regulation 17

SCHEDULE 6PARTICULARS TO BE INCLUDED IN A NOTIFICATION OF WELL OPERATIONS

1.  The name and address of the well operator.

2.  Where the well operation is to be carried out—

(a)from an installation, the name of the installation and the name and address of the duty holder for that installation; or

(b)by means of a vessel, the name of that vessel.

3.  Particulars of the fluids to be used to control the pressure of the well.

4.  Particulars of any plant, not described in the current safety case for the installation, which is to be used in connection with the well operation.

5.  Particulars of the type of well, its number, and slot number, and the name of any field development of which it may be part.

6.  A description of the well operation and a programme of works which includes—

(a)the date on which each well operation is expected to commence and finish; and

(b)the intended operational state of the well at the end of each well operation.

7.  A description of—

(a)any activities on or in connection with an installation or a vessel during the well operation described pursuant to paragraph 6 which may involve any hazards with the potential to cause a major accident; and

(b)such hazards.

8.  In the case of a well which is to be drilled—

(a)particulars, with suitable diagrams, of—

(i)the location of the top of the well;

(ii)the directional path of the well-bore;

(iii)its terminal depth and location; and

(iv)its position, and that of nearby wells, relative to each other;

(b)particulars of the geological strata and formations, and of fluids within them, through which it will pass, and of any hazards with the potential to cause a major accident which they may contain;

(c)the procedures for effectively monitoring the direction of the well-bore, and for minimising the likelihood and effects of intersecting nearby wells; and

(d)a description of the design of the well, including the limits on its safe operation and use.

9.  In the case of an existing well—

(a)a diagram of the well;

(b)a summary of earlier operations in relation to it;

(c)the purposes for which it has been used;

(d)its current operational state;

(e)its state of repair;

(f)the physical conditions within it; and

(g)its production capacity.

10.  Where a well operation is to be carried out by means of a non-production installation or a vessel—

(a)particulars of—

(i)the meteorological and oceanographic conditions to which that installation or, as the case may be, vessel may foreseeably be subjected;

(ii)the depth of water; and

(iii)the properties of the sea-bed and subsoil

at the location at which the well operation will be carried out; and

(b)a description of how the well operator and—

(i)the owner of the installation; or

(ii)the operator and owner of the vessel

involved in the well operation will co-ordinate their management systems so as to reduce the risks from a major accident to comply with the relevant statutory provisions.