Decree No 01/09 - Petroleum Operations Regulation

Last updated: 20 January 2022

This regulation stipulates provisions related to crude oil and natural gas developments, including tariffs, pertaining environmental, safety and protection requirements as well as enforcement means and competent authorities. It applies to petroleum undertakings carried out under the Law No. 10/04 – the Petroleum Law.


This decree outlines requirements related to measurement and calibration procedures as well as mandatory programmes, including general development and annual production plans. These plans, which are submitted by the National Oil and Gas Agency, must include an environmental impact study, emphasising solutions and technical information related to pollution control, and a plan for the use of associated natural gas. 


Furthermore, the annual production plans are required to include provisions regarding expected flaring and gas loss. 

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