43121400 - Well-intervention equipment

CPV code 43121400 in the EU Common Procurement Vocabulary refers to Well-intervention equipment. It sits at level 5 of the CPV hierarchy as a subcategory within the 43 division. This code is nested directly under 43121000, narrowing the broader category into the specific area of well-intervention equipment. As a leaf code, 43121400 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns well-intervention equipment. Contracting authorities across the EU use 43121400 in TED notices and national procurement portals to signal that a tender relates to well-intervention equipment.