overview of environment mgt in oil&gas sub-sector

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Presented by Eng. James L. Ngeleja Principal Environmental Management Officer-NEMC

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OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR. Presented by Eng. James L. Ngeleja Principal Environmental Management Officer-NEMC. National Environment Management Framework. National CONSTITUTION-Clean Environment for ALL Tanzanians - PowerPoint PPT Presentation

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Page 1: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

Presented by Eng. James L. NgelejaPrincipal Environmental Management Officer-

NEMC

Page 2: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

National Environment Management Framework

National CONSTITUTION-Clean Environment for ALL Tanzanians

Since 1995 VPO is CHARGED with Environment Management national-wide

1997 National Environment Policy established.

2004 EMA –A framework legislation enacted2005 EMA implementation started

Page 3: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

Contd Environment MgtEMA2004 Mandates NEMC on EIA

processes, Environmental Compliance and Enforcement, Research, Awareness.

VPO-DoE Charged with Overall Environment Management Coordination and Strategic Environmental Assessment

EMA2004 Require sectors to manage environmental issues in their respective sectors

Page 4: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

OIL&NATURAL GAS RESOURCESThese are finite resources that need to

be managed and regulated carefully in order to benefit ALL Tanzanians.

Environment impacts in Oil& Gas are in both Upstream/Mid and Downstream

UPSTREAM-Exploration (seismic surveys-off/on shore)

Mid stream (Gas processing)Downstream(Transmission, power uses-

e.t.c

Page 5: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

NATURAL GAS PRODUCTION-UPSTREAM

Exploration is both in marine & Terrestrial environments

Marine—Deep Sea Exploration e.g Zafarani, Lavani, Njuani

Terrestrial– Lakes Tanganyika; Nyasa; Rukwa & Natron, Mukuranga

Page 6: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

SEISMIC SURVEYS(Project level)These surveys are conducted in both marine and

terrestrial and have environmental impacts. The surveys are investigations on the sub-surface for geo-physical information and data

Marine seismic surveys use seismic air guns. Potential environmental impacts include coral reefs,e.t.c

Terrestrial/on-shore surveys have environmental impacts e.g land uses; biodiversity loss

The use of environmental sensitivity maps is crucial

Page 7: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

DRILLINGExploratory drillings are follow up operations

after seismic surveys and have significant environmental impacts

Drilling operations introduce a wide range of complex chemical compounds to the environment. These are drilling fluids that could be oil-based, synthetic and water-based. These fluids circulate in the borehole to control temperatures and pressure as well as lubricating the drill bits and removing the drilling cuttings.

One production platform can discharge 60-70ton/day

Page 8: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

NATURAL GAS POWER GENERATION

Natural Gas is environmentally friendly globally

Natural gas is both for Adaptation and Mitigation to address Climate Change

Natural gas utilization in Tanzania plays a significant role of adaptation

In 2001, natural gas contributed 40% of power generated, hydro 41% imported oil 19%

Page 9: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

NATURAL GAS ADAPTATION&MITIGATIONNatural gas plays a role in the national power

mix along side hydro,thermal(oil) and at small extent biomass

Natural gas offers business opportunity in the carbon market-Example:Mtwara Power Plant/FormerArtumas-Wenceworth whereby about 7000tons carbon per year are bought by Dutch Govt in climate mitigation

Natural gas is versatile for small cogeneration applications-Example:TCC,Urafiki Textiles

Page 10: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

Downstream Oil and Gas Environmental ManagementKey Regulatory InstitutionsNEMC—EIA Reviews, Environmental

MonitoringOSHA– Occupational Healthy and

safetyEWURA—Licences, Price RegulationTPDC—Sector DevelopmentMEM—Overall Sector developmentTBS---Standards for compliance

Page 11: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

STRATEGIC ENVIRONMENT ASSESSMENT(SEA)&SDCoordinated by VPO-DoE,SEA is a systematic

process for assessing/evaluating environmental,social,economic& health impacts of a policy, regulation,plan,strategy &bill

SEA ensures that environmental, social &economic aspects are integrated in implementing a sector initiative such as the oil& gas in order to achieve Sustainable Development(SD)

SD means development that meets the needs of present generation without compromising the ability of future generation to meet their needs

Page 12: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

ESCBP to be Funded by World BankThe Project Objective—Capacity

building to regulatory institutions in areas of best environmental management including SESIA

Skills development Support to PPP in natural gas

development—due to its intensive capital requirement

Page 13: OVERVIEW OF ENVIRONMENT MGT IN OIL&GAS SUB-SECTOR

THANK YOU