Offshore Oil and Gas

Offshore Oil and Gas

We provide the following services to our clients internationally:

  • Government/ Environmental Regulator/ Statutory Planning Liaison and Briefing
  • Environmental Impact Assessment
  • Environmental Management, Monitoring and Auditing during Seismic and Drilling Operations
  • Marine Mammal (MMO), Passive Acoustic Monitoring (PAM) for seismic surveys
  • Environmental Management Systems, HSEMS, ISO 14000/18000 or EMAS.
  • Risk Assessments, QRA.
  • Oil Spill Contingency Planning, Modelling.
  • Education and training in various aspects of offshore environmental management and mitigation
  • Marine Ecological Survey

We provide environmental services for all stages of the offshore exploration and production cycle through to the decommissioning phase. We undertake specific marine surveys to support any requirements during exploration and appraisal phases of projects.  We also provide the necessary expertise to enable environmental planning for all off‑ shore oil and gas field infrastructure development. This may include the preparation of oil spill contingency plans, marine and atmospheric dispersion modelling, risk assessments (including QRA), sensitivity mapping, and provide a framework for appropriate monitoring and auditing work. This relates to construction and installation of fixed, floating and subsea production facilities and export facilities.

Case Studies

EIA for offshore seismic survey, Sierra Leone

cs-sierra-leoneOur team was commissioned to undertake an Environmental and Social Impact Assessment (ESIA) for a multi-client 2D Seismic Survey covering majority of offshore concession areas in Sierra Leone. Services included; EPA-SL liaison, stakeholder engagement along entire coastline of Sierra Leone, EIA disclosure to affected communities, press and radio coverage, Community Development Planning. Monitoring during operations includes Marine Mammal Observing and Fisheries reporting to EPA-SL.

Reliance Industries, Environmental Services for Offshore Blocks 18 and 41, Oman

Our team has provided multi-scope environmental services to Reliance Industries related to their operations for these blocks between 2006 and 2010. The scope of services includes: 

  • Permit applications for exploration to statutory authorities
  • Preparation of EIAs for offshore 3D-Seismic data acquisition, bathymetric and side scan sonar surveys, as well as seabed coring
  • Preparation of detailed baseline surveys
  • Provision of MMOs & environmental reporting during seismic surveys to authorities
  • Assessment of impacts of offshore Controlled Source Electro Magnetic survey (CSEM)
  • Provision of MMOs & Environmental Observers during CSEM survey. Assessment of survey impacts, compliance audits and reporting to Ministry of Environment & Climate Affairs
  • Offshore environmental monitoring (MMO) / auditing during exploratory drilling

ESIA and Marine Mammals Surveys for Offshore Blocks in Liberia

In 2009, our team was commissioned by Anadarko Petroleum Corporation to undertake an ESIA for 2D and 3D seismic surveys in Liberia. This was subsequently followed by provision of Marine Mammal Observers (MMO’s) and Passive Acoustic Monitoring (PAM) for offshore seismic surveys. Since, 2009 our involvement in studies for the offshore O&G industry in Liberia has continued and we are currently providing EPA liaison Environmental Observers (MMO’s) for a 6 month 3D seismic survey, offshore Liberia for TGS-NOPEC Geophysical Co. ASA.

DNO International AS Environmental consultancy, Oman and UAE

Our team is providing multi-scope services to DNO International for assets in Oman and UAE. The scope of services includes:

  • Ongoing environmental support and development of environmental management systems, monitoring for DNO’s assets in Oman and UAE.
  • EIA and field development support for West Bukha, Oman and Saleh field, UAE drilling and production.
  • Offshore monitoring and auditing during drilling.
  • Climate, energy and emissions reporting.