The Environmental Implication of Gas Flaring in Sapele Community of Delta State, Nigeria

Onuoma, Oseh Jeffrey and Oguamah, Ifeanyi Alex and Olawale, Oluwagbenga Omotara and l Adekanmi, Adeyi Abe The Environmental Implication of Gas Flaring in Sapele Community of Delta State, Nigeria. International Journal of Oil, Gas and Coal Engineering. ISSN 2376-7677

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Abstract

Despite longstanding laws against gas flaring in Nigeria which is the burning of natural gas during oil extraction, and shifting deadlines to end the practice, the activity continues, with serious environmental and health consequences for people living nearby. In the Niger Delta, especially in the Sapele community of Delta State where most of the flaring takes places, residents living near gas flares complain of respiratory problems, skin rashes and eye irritations, as well as damage to agriculture due to acid rain. The major environmental implications considered in this study are environmental pollution, and ecological disturbance or destruction. Several visitations to the neighboring communities like Amukpe and Ugberikoko Communities of Delta State adjacent to most gas flare locations were carried out to ascertain any existence of common environmental hazards. Data were gathered through a well-designed survey and direct and first-hand observation from the flared environment. Different samples at various proximities from the gas flare locations were taken and measurements and experimentations were logically carried out. The result obtained in this study showed some variations away from the flare point in the flow stations. The temperature tends to normalize at 31oC. This result shows a surface temperature elevation of about 1.8 oC above mean normal daily temperature within a distance of 400 m radius away from the flare point. Hence the thermal equilibrium within Sapele localities has been altered. Soil PH is near neutral (6.62-7.88) away from the flare points and the average high soil moisture content ranges between (92% - 94%) as against 96% for the flare points and control distance. These values portray a good omen for these communities under investigation. However, less than or closer to 400 m from the flare point, residents are likely to be exposed to gas flaring effects. Nigerian oil and gas industries should design and develop a gas compression and re-injection facility with the sole objective of achieving zero flaring. The facility should also be designed to ensure export capability and to compress wet and dehydrated gas to gas re-injection wells. Finally, residential buildings should be sited at least 1 km away from the flare point.

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