Environmental Impact Assessment

1. Assessment Methodology

This Environmental Impact Assessment (EIA) evaluates the potential effects of the proposed drilling activities on the local ecosystem. It utilizes baseline data collected over a 12-month period regarding marine biodiversity, water quality, and sediment composition. The assessment follows the source-pathway-receptor model to identify potential impacts and define appropriate mitigation measures. We have engaged independent environmental consultants to ensure the objectivity and scientific rigor of this study.

2. Marine Life Protection

To minimize acoustic disturbance, soft-start procedures and acoustic deterrent devices will be used during pile driving and seismic surveys to allow marine mammals to vacate the area. A 500-meter exclusion zone is enforced, with dedicated Marine Mammal Observers (MMOs) on duty during daylight hours. Real-time Passive Acoustic Monitoring (PAM) is mandatory during all heavy operations and at night to detect cetacean vocalizations.

Benthic surveys have been conducted to map sensitive habitats such as cold-water coral reefs. Anchor patterns and subsea infrastructure locations have been optimized to avoid physical impact on these vulnerable ecosystems.

3. Emissions Control

Flaring is restricted to emergency safety relief only. We employ high-efficiency flare tips to ensure complete combustion when flaring is unavoidable. All diesel engines on the rig are Tier 4 compliant, utilizing Selective Catalytic Reduction (SCR) technology to minimize NOx emissions. Fugitive methane emissions are monitored continuously using infrared camera technology and fixed point sensors, with a leak detection and repair (LDAR) program in place.

4. Waste Management

We operate under a zero-discharge policy for non-aqueous drilling fluids (NADF). All cuttings are treated on board to recover base oil and then shipped to shore for final processing and disposal. Domestic waste is segregated at source and compacted for recycling. Food waste is macerated to <25mm before discharge in accordance with MARPOL Annex V regulations, only when the vessel is more than 12 nautical miles from land.