Paragraph 18 Section 1C: MaterialsF1
Drilling mud, drilling mud additives and the components thereof, specially formulated to stabilise oil and gas wells during drilling, to recover drill cuttings to the surface and to lubricate and cool the drilling equipment in the well.
Annotations
Textual amendments
- F1
Schs. 1A-1I inserted (29.9.2026) by The Iran (Sanctions) (Amendment) Regulations 2026 (S.I. 2026/983), regs. 1(2), 13