Blowout in Gas Well of Oil India Limited at Baghjan, Tinsukia 27 July 2020

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Environmental Impact Assessment

• TERI Study on Air Quality & Noise Level: Recording of data at already installed analysers is in progress.Sample collection for monitoring of air quality and noise levelfor analysis isalso being carried out.
• TERI study on Bioremediation of Sludge: The first phase of sample collectionprior to bio remediation job is being carried out jointly by OIL and TERI team in andaround Baghjan blow out well site.
• CSIR-NEIST Seismological Study: Seismological recording carried out by CSIR-NEIST has been completed. Data is being analysed for submission of final report. Other Geo-Physical monitoring is being continued by CSIR- NEIST.
• IIT– Guwahati Study on Thermal Mapping & Sonic Measurement:Interpretation of the collected data will be carried out using specialized software at IIT Guwahati and the report will be submitted soon.

Preparation for Capping the Well

• Final Preparation for Capping Operation: Activities at well site commenced since early morning today. New studs have been transferred to the site for replacing the deformed and damaged studs of the lowermost casinghead housing flange (13-3/8″).
• Final Preparation for Killing Operation:Well killing fluid is ready to be transferred to site subject to receiving signal from Core Technical Team at site.
• Water Deluge System: All six numbers of High Discharge CMT Water Pumps are operational at site for spraying water to the well head during theoperation. Total 8 nos. of water pumps are available for filling both the water reservoirs periodically.

Relief and Rehabilitation

• Surveyfor Damage Assessment: Survey for assessment of damage for compensation in both Doomdooma and TinsukiaCircle is in progress. Total number of families surveyed till 26.07.2020 both combined in Doomdooma andTinsukia circle is

Law and Order/Bandhs/Blockades etc.

• Closure of Wells: Production still continues to be affected due to forceful closure of few Oil & Gas wells connected to Baghjan EPS.
• Blockade at Drilling/Workover Locations: Drilling and workover operation still continue to be affected due to forceful closure of operation at few of the locations.

Impact onOil/GasProduction due to Protests

• Due to stoppage/blockades of several producing wells, there was production loss of 254 MT of Crude Oil and 1.02 MMSCM of Natural Gas as reported on 26-07-2020. Cumulative production loss since 27^th May, 2020 due to bandhs and blockades: 17,071 MT Crude oil, 39.59 MMSCM of natural gas.