3.1 Originally in Place Resources

The resource overview shall be completed for all fields and discoveries, unless otherwise agreed with the Directorate. Fields and discoveries often have projects also in higher resource classes with associated resources.

• Expected resource class as of 31 December of the current year shall be used as a basis for the reporting.
• Only the Norwegian percentage of the resources is stated according to the distribution provided in the Scope.
• For reporting objects where several discoveries are reported, resources for each individual discovery should be given separately.

Hydrocarbons originally in place shall be reported for each deposit available on the reporting object. The hydrocarbons are categorised into oil, associated liquid (condensate), associated gas and/or free gas, independently of the sales products. Gas volumes shall be reported at the actual calorific value. All estimates shall be given with uncertainty: high (P10), low (P90) and base estimate (expected value).
In the reporting of hydrocarbons originally in place, condensate should be reported as associated liquid, regardless of the sales product.

3.2 Recoverable Resources

Recoverable resources shall be stated for all projects reported on the object.

The resources should be reported as sales products; oil, NGL, condensate and gas. The sales products shall, to the greatest extent possible, be reported in the same way as they will be reported to the Directorate (DISKOS – Saleable Production) in the regular monthly reporting. This means that condensate sold as oil should be reported as oil, and associated liquid from gas fields shall be reported as oil if the liquid is sold as oil. Recoverable gas comprises quantities which are sold, physically delivered, or planned to be delivered from the asset.

If there are any changes to the definition of sales products during the operating period of a field, the date of the change should be reflected in the RNB reporting. This means the change should be reflected in the same way as it is reported to DISKOS (Saleable Production).

Gas flared or used for fuel shall not be included in the resource base.

For all projects the high (P10), low (P90) and base estimate (expected value) shall be reported for recoverable resources.

Table 3‑1 Uncertainty categories

RC1-5
For projects in RC1-5, the recoverable resources are normally equivalent to the sum of the reported sales profiles. However, some fields and discoveries with commercial agreements for swaps/borrowing/deferral of volumes need special handling (see section 4.3.1.6 below for more information).

At least one Project Group shall be prepared for each resource class in which a project is reported.

In total, the field/discovery should not report negative resource estimates, but fields and discoveries can have projects with negative resource estimates.

Reporting of historical production from fields where production has ceased has been challenging to get correct. Fields that have ceased production shall report the total production for the prior production period as a separate project with RC0, where the production for all products is identical to what has been reported to DISKOS (Saleable Production). Fields without potential for further activity and where all cessation costs have been spent before the previous year, should not be reported.

RC6 and RC7:
For projects in RC6 and 7 only report recoverable resources including information about evaluations that have been performed, and further plans for the project are provided in the explanation “RC6-7Description”.
 
RC7A:
For projects in RC7A, the resource estimate should reflect a long-term expectation of the final recovery factor for the field/discovery due to anticipated technological development. The low estimate should reflect a long-term expectation of the final recovery factor for the field/discovery assuming a moderate technological development. The high estimate should reflect a more optimistic, long-term objective for the final recovery factor for the field/discovery assuming an expansive technological development.

RC8:
Estimates must be provided for recoverable resources in prospects located within separate production licences or unitized fields that, if discovered, will highly likely be tied into the field or discovery in which they are reported in. Prospects that extend into adjacent production licences must be reported with the total estimated volumes. It must be ensured that the same prospect is not reported simultaneously by other fields/discoveries. The resource estimate must be risk- weighted and should reflect the estimated volumes multiplied by the probability of making a discovery.

Explanation and comments about changes in the reserve- and resource estimates: Changes in the reserve- and resource estimates compared to the previous RNB reporting must be entered in “ResourceExplanation”. If the change in reserves for oil and gas is ± 0,5 million Sm3 o.e. or more, the reasons for the change must be described. As a minimum, these reasons should include whether the changes are due to development decisions, well decisions or updates to the model and assumption.

Changes in total recoverable resource estimates of more than 5 per cent are considered significant and must be explained.