# The Iran (Sanctions) (Nuclear) (EU Exit) Regulations 2019, Paragraph 8: Section 1A: Equipment


Drilling wellheads, blowout preventers and Christmas or production trees and the specially designed components thereof, meeting the API and ISO specifications for use with oil and gas wells, and for the purposes of this paragraph—
(a) a “blowout preventer” is a device typically used at ground level (or, if drilling underwater, at the seabed) during drilling to prevent the uncontrolled escape of oil and/or gas from the well;
(b) a “Christmas tree or production tree” is a device typically used to control flow of fluids from the well when it is complete and oil and/or gas production has started;
(c) “API and ISO specifications” refers to the American Petroleum Institute specifications 6A, 16A, 17D and 11IW and the International Standards Organisation specifications 10423 and 13533 for blowout preventers, wellhead and Christmas trees for use on oil and/or gas wells.

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Source: https://www.legislation.gov.uk/uksi/2019/461/schedule/1a/paragraph/8 (the official version)
Page: https://openlegislation.uk/iran-sanctions-nuclear-eu-exit-regulations-2019/schedule-1a/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.