includes:

(a) a lease; and

(b) an agreement as varied by an agreement or by agreements.

means:

(a) petroleum in a form in which petroleum is commonly sold; or

(b) a product that is derived from petroleum and is of a kind that is commonly sold;

means:

(a) any naturally occurring hydrocarbon, whether in a gaseous, liquid, or solid state;

(b) any naturally occurring mixture of hydrocarbons, whether in a gaseous, liquid, or solid state; or

means:

(a) stabilised crude petroleum oil;

(b) liquid petroleum obtained from naturally occurring petroleum gas; or

means:

(a) a source of petroleum in a State (which, without limiting the generality of the foregoing, may be a production area within the meaning of section 5B of the

Excise Tariff Act 1921

); or

means a production source together with the plant and facilities (wherever situated) used in, or in relation to, the production of market petroleum from that source (other than plant and facilities used in, or in relation to, the refining or transport of market petroleum).

means a resource rent royalty agreement described in Schedule 1.

means a revenue‐sharing agreement described in Schedule 2.

(2) For the purposes of this Act: