ONGC CBM Asset, Bokaro – Bokaro CBM Block Six Monthly Compliance – April to September, 2019 Ref. EC: F. No. J-11011/430/2011-IA II (I) Specific Conditions S. Conditions Compliance No. As proposed, no forest land shall be used for the There is no forest land used for proposed facilities activities. ongoing project activities. However, 1. prior forest clearance will be taken if any activity/well site comes under forest land. Compensation for the land acquisition to the land oustees, The Land Acquisition (LAQ) if any, and also for standing crop shall be paid as per the department is acquiring land as per National Resettlement and Rehabilitation Policy (NRRP) LARR act. All lands are acquired at 2. 2007 or State Government norms. It may be ensured that places where human settlement is not compensation provided shall not be less than the norms of there. Therefore, resettlement and the NRRP, 2007. rehab is not applicable. The surface facilities shall be installed as per the All OISD & DGMS guidelines are 3. applicable codes and standards, international practices followed for establishment of surface and applicable local regulations. facilities. Ambient air quality shall be monitored near the closest AAQ is monitored as per the said human settlements as per the National Ambient Air condition. ANNEXURE-I Quality Emission Standards (NAAQES) issued by the 4. Ministry vide G.S.R. No. 826(E) dated 16th November, 2009 for PM10, PM2.5, S02, NOx, CO, CH4, VOCs, HC, Non-methane HC etc. Efforts shall be made to improve the ambient air quality of the area. Mercury shall also be analyzed in air, water and drill Mercury is analyzed as per the 5. cuttings twice during drilling period. condition. ANNEXURE-II The flare system shall be designed as per good oil field CBM gas flaring has not taken place. practices and Oil Industry Safety Directorate (OISD) The project was under establishment guidelines. The company shall take necessary measures state and there was no production of to prevent fire hazards and soil remediation as needed. At CBM gas. 6. the place of ground flaring, the flare pit shall be lined with refractory bricks and efficient burning system. In case of overhead flare stacks, the stack height shall be provided as per the regulatory requirements and emissions from stacks shall meet the MOEF/CPCB guidelines. The company shall make the arrangement for control of The rig engine and DG sets are noise from the drilling activity and DG sets by providing provided with acoustic enclosure. All necessary mitigation measures such as proper acoustic machines are CPCB complied/ 7. enclosures to DG sets and meet the norms notified by the conforming and have sufficient stack MoEF. Height of all the stacks/vents shall be as per the height. CPCB guidelines. The company shall comply with the guidelines for disposal The notification G.S.R.546 (E) is of solid waste, drill cutting and drilling fluids for onshore followed for “Onshore Drilling drilling operation notified vide GSR. 546(E) dated 30th Operations”. August, 2005. Only WBM (water based mud) is used in drilling of CBM wells. The chemicals used in mud 8. preparation are basically consisting of XC-polymer, Poly-amine and NIFA, which non-toxic in nature. Drill cuttings (DC) are separated from drilling fluid (DF). The DF is stored in waste pit lined with HDPE liner. Page 2 of 6 During well drilling, wastewater shall be segregated into Drilling operations are in compliance waste drilling fluid and drill cuttings. Drill cutting shall be with notification G.S.R.546 (E). Please stored onsite impervious HDPE lined pit for solar refer compliance of Point No. 8. evaporation and drying. Effluent shall be properly treated 9. and treated effluent shall conform to CPCB standards. The produced water shall be stored onsite HDPE lined pit for solar evaporation and reuse in drilling of new wells and fire hydrant system. Domestic effluent shall be disposed off through septic tank followed by soak pit. Water produced during drilling shall be reused in drilling of Dewatering will be carried out during other core/test wells. activation of CBM wells. The produced water will be treated at ETP in GCS 10. through pipeline which is being installed in phased manner. The treated produced water may be used for drilling of other upcoming wells. Ground water quality monitoring shall be done to assess if Ground water monitoring is carried out 11. produced water storage or disposal has any effect. and the report is attached as ANNEXURE-III Drilling wastewater including drill cuttings, wash water Drilling operations are in compliance shall be collected in disposal pit lined with HDPE lining, with notification G.S.R.546 (E). Please evaporated or treated and shall comply with the notified refer compliance of Point No. 8. HDPE 12. standards for on-shore disposal on land. Proper lined pits are used for the same. toxicological analysis shall be done to ensure there is no hazardous material, Copy of toxicological analysis shall be submitted to Ministry's Regional Office at Bangalore. Only water based drilling mud shall be used. The drilling Only water based mud (WBM) is used mud shall be recycled, Hazardous waste shall be in CBM drilling operations. ONGC disposed of as per Hazardous Waste (Management, CBM Asset has taken grant for 13. Handling and Transboudary Movement) Rules, 2008. The Hazardous Waste Facility. recyclable waste (oily sludge) and spent oil shall be ANNEXURE-IV disposed of to the authorized recyclers/re-processors. The Company shall take necessary measures to prevent ONGC CBM Asset, Bokaro has fire fire hazards, containing oil spill and soil remediation as department with competent fire 14. needed. At place of ground flaring, the overhead flaring personnel. Firefighting equipment are stack With knockout drums shall be installed to minimize installed at drilling and other potential gaseous emissions during operation. places of concern. To prevent underground coal fire, preventive measures CBM extraction technology does not shall be taken for ingress of ambient air during withdrawal pose any underground coal fire threat. inside the coal seams by adopting technologies including Instead, the chances of coal fire is vacuum suction. Gas detectors for the detection of CH greatly reduced after CBM extraction. 15. 4 and H2S shall be provided. Hand-held CH4 gas detectors are there in installations and well sites. The gas analysis of CBM from wells shows no trace of H2S. The design, material of construction, assembly, RoU (Right of Use) for pipe line inspection, testing and safety aspects of operation and network is in conformity of OISD maintenance of pipeline and transporting the natural guidelines. gas/oil shall be governed by ASME/ANSI 8 31.8/831.4 16. and OISD standard 141. Pipeline wall thickness and minimum depth of burial at river crossing and casings at rails, major road crossings should be in conformity with ANSI/ASME requirements. The company shall develop a contingency plan for H2S H2S release/hazard is prominent in oil release including all necessary aspects from evacuation to wells. As mentioned earlier, gas resumption of normal operations. The workers shall be analysis of CBM from CBM wells 17. provided with personal H2S detectors in locations of high shoes no trace of H2S. risk of exposure along with self containing breathing apparatus. Page 3 of 6 Adequate well protection system shall be provided like CBM wells are considerably low Blow Out Preventor (BOP) or diverter systems as required pressure wells in comparison to based on the geological formation of the blocks. conventional natural gas wells. 18. However, BOP is used as safety measure during drilling and work over operations. The top soil removed shall be stacked separately for Being complied. 19. reuse during restoration process. Emergency Response Plan shall be based on the ERP is prepared as per the laid guidelines prepared by OISO, DGMS and Govt. of India. guidelines of safety statutory 20. Recommendations mentioned in the Risk Assessment & authorities. Consequence Analysis and Disaster Management Plan shall be strictly followed. Project proponent shall comply with the environment EMP is being complied for 21. protection measures and safeguards recommended in the environmental protection. EIA/EMP/risk analysis report/disaster management plan. The company shall take measures after completion of All relevant measures will be taken drilling process by well plugging and secured enclosures, care upon abandonment of drill site at decommissioning of rig upon abandonment of the well and later phase upon completion of life drilling site shall be restored in original condition. In the cycle of the project. 22. event that no economic quantity of hydrocarbon is found a full abandonment plan shall be implemented for the drilling site in accordance with the applicable Indian Petroleum Regulations. Occupational health surveillance of the workers shall be PME of workers is done on timely 23. carried out as per the prevailing Acts and Rules. basis. Company shall adopt Corporate Environment Policy as ONGC has formulated its Corporate per the Ministry's O.M. No. J-11013/41/2006-IAII(I) dated Environment Policy as per said MoEF 24. 26th April, 2011 and implemented. O.M. which is being implemented at every ONGC work centres. Provision shall be made for the housing of construction All construction workers are local labour within the site with all necessary infrastructure and residents of the operational area. For facilities such as fuel for cooking, mobile toilets, mobile site three rest shelters are made for 25. STP, Safe drinking water, medical health care, crèche etc. workers to relax. Safe drinking water The housing may be in the form of temporary structures to and emergency vehicle is provided to be removed after the completion of the project.