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CORPORATE SOCIAL RESPONSIBILITY

Cost of Environmental Technologies

In fiscal 2016, the INPEX Group continued implementing a range of measures such as reduction of VOC and GHG emissions to reduce its environmental impact.

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Environmental Investments in Fiscal 2016 —Implementation and Effects
(April 2016 to March 2017)
Objective Investment Item Investment Amount
(Thousand Yen)
Environmental
Benefit
Quantitative Evaluation of
Investment Effect or
Reduction of Environmental
Impact (Physical Unit)
Capital
Investment
Operating
Expense
Global warming
prevention
(includes cost
of energy
conservation
measures)
Cleaned gas turbine compressors - 304 Performed regular (monthly) cleaning, since output increases after cleaning Gas turbine output increased by approx. 1,200 kW compared to before cleaning Reduction effect: 31.2 kL/month / 374 kL/year (crude oil equivalent)
Oyazawa Plant — Replaced outdoor lighting facilities - 15,000 Saved energy by adopting LED lighting Energy-saving effect of 0.5 kL/year (crude oil equivalent)
Chiba Field Office — Changed submersible motor pump model 103,828 - Contributed to reduction in power consumption by changing to a high-efficiency, long-life ESPs according to well production capacity Improvement in power consumed per pump discharge volume — Z Base: 1.788 →1.259 kWh/kL /IA Base: 1.012→ 0.956 kWh/kL
Kashiwazaki Iron Plant — Introduced energy-saving facilities (lighting facilities) 3,624 - Converted lighting equipment to LED lighting accompanying reconstruction of the former maintenance shop Energy-saving effect of 0.74 kL/year (crude oil equivalent)
Kashiwazaki Iron Plant — Introduced energy-saving facilities (air conditioning facilities) 6,127 - Introduced gas heat pump air conditioners accompanying reconstruction of the former maintenance shop Energy-saving effect of 0.12 kL/year (crude oil equivalent)
Constructed a switching connection to the Naoetsu LNG Terminal vented gas combustion stripper 16,600 - Curbed venting of methane gas and other gases by switching to the Naoetsu LNG Terminal vented gas combustion stripper (in fiscal 2016, advance construction of a connection only) Not quantifiable
Converted tank truck filling station lighting to LED lamps - 6,100 Converted 24 lighting fixtures to LED lamps due to aging of tank truck filling station lighting Annual reduction of 34,775 kw/h
Technical Research Center — Replaced emergency generator 23,600 - Reduced power consumption by replacing the existing generator with a package-type generator Not quantifiable
Gas Guarico — Installed gas compressor start-up air compressors and incidental equipment 15,320 - Eliminated hydrocarbon gas leakage and venting by using high-pressure compressed air to start up the gas engines that drive gas compressors Annual reduction in vented gas (CH4) of approx. 500 Nm3/year
Sub-total 169,099 21,404    
Conservation of
air quality
Koshijihara Plant — Truck VOC facilities inspected by the manufacturer - 12,030 Inspected truck VOC removal systems VOC emissions reduced
Oyazawa Plant — Replaced VOC removal systems PLC and performed redundancy construction 10,500 - Prevented VOC removal systems malfunction due to PLC aging degradation Not quantifiable
Oyazawa Plant — Replaced VOC removal systems catalyst - 24,982 Replaced VOC removal systems catalyst due to catalyst performance degradation Not quantifiable
Oyazawa Plant — Replaced exhaust gas impurity adsorbents - 15,185 Replaced exhaust gas impurity adsorbents due to adsorbent performance degradation Not quantifiable
Koshijihara Plant Tr-C — Replaced crude oil impurity adsorbents - 21,707 Replaced crude oil impurity adsorbents due to adsorbent performance degradation Not quantifiable
Minami-Aga No. 1 Plant — Performed filter basin cover repair work 30 - Performed filter basin cover repair work to reduce VOCs emitted from gaps due to aging of the cover Not quantifiable
Sub-total 10,530 73,904    
Conservation of
soil and
groundwater
environment
Akita Field Office — Installed lost circulation detectors in wells 9,100 - Installed lost circulation detectors on pumping oil wells (6 wells) in the Akita area and prevented leakage oil due to equipment damage when lost circulation occurs Not quantifiable
Akita Field Office — Installed tank level alarms 4,100 - Installed level switches for liquid level height alarms on measuring tanks, warming tanks, and product tanks at the Niibori Gathering Station Not quantifiable
Naruto No. 1 and No. 2 Gas Plants — Installed oil leak detectors 11,250 - Since drain water containing lubricating oil may flow outside the system if a problem occurs with the treatment system for gas compressor drain water containing lubricating oil, installed oil leak detectors at the ends of external discharge paths Not quantifiable
Sub-total 24,450 0    
Conservation of
the natural
environment
Performed landscaping of vacant land set aside for tanks within the Naoetsu LNG Terminal 29,740 - Mowed vacant land set aside for tanks Not quantifiable
Sub-total 29,740 0    
Other Oyazawa Plant — Modified firefighting equipment 436,500 - Installed large-scale foam extinguishing facilities/installed crude oil tank water spray rings/installed slop tank foam extinguishing lines/converted to remote operation of foam extinguishing master valves/installed oil and grease warehouse firefighting water curtain facilities/converted to remote operation of oil pan drain valves, etc. Not quantifiable
Sub-total 436,500 0    
Investment amount total 670,319 95,308    
Total 765,627    
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Environmental Investments in FY2015

Environmental Investments in FY2014

Environmental Investments in FY2013

Environmental Investments in FY2012

Environmental Investments in FY2011

Environmental Investments in FY2010

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