China oil network news as of January 28th, 416 wells in Qinghai oilfield is put on the "Iron Mask", from the source to eradicate the pollutants landing, the Qaidam basin ecological protection zone no trinidad.
Qinghai oilfield has developed for 63 years, in 50s and 60s production of wells in low efficiency, without producing an invalid state. Because part of the wellhead is open for a long time, the fluid overflow from the wellbore is easy to cause ground pollution. In order to strengthen the green mine construction, to ensure the ecological environment of oil and gas area in Qinghai oilfield is not damaged, the second half of 2017, diagnostic investigation has no economic value of old wells, to install the regular oil well production device, as they put on the "Iron Mask", to avoid the occurrence of wellbore oil and water spillage accident of environmental pollution from the source. At the same time the implementation of permanent closure has no production capacity of old wells wellhead.
Strengthen the management of Qinghai oilfield and emission monitoring on environmental protection facilities, strict emission of 280 points (mouth) implementation of environmental monitoring 953 times, ensure the "three wastes" emissions standards; to manage the Sebei gas field produced water and other 32 environmental risk projects; clean up 87 thousand cubic meters of sewage sludge, hazardous waste disposal of 2020.92 tons; isolation the disposal of waste gas containing 279 radiation pipeline.
In order to solve the pollution problem on the job site, the downhole operation company adopts the closed connection process in the field of overhaul and oil production, and installs and climbs the tank device of the liquid storage tank, so as to realize the closed cycle and strictly prohibit the liquid leakage. Environmental protection barrels of Nanyishan oilfield each site are equipped with storage of industrial waste. "Industrial garbage in the environmental bucket is managed by a special person, cleaning up regularly, handling professional disposal and eliminating two pollution." Zhang Junfeng, the director of the operating area, introduced.
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