PDF《Directed Inspection & Maintenance》

14 14 DI&

M with Remote Leak Detection 用远程泄漏检测装置进行定向检修(DI&

M) ? The challenge has always been finding those few large leaks among the hundreds of components 在众多装置中查找少数发生泄漏的装置很困难 ? Real-time detection of gas leaks 气体泄漏实时检测 C Quicker identification and repair of leaks 鉴别和维修泄漏更快 C Screen hundreds of components an hour 一小时可以检测很多装置 C Easily screen inaccessible areas 可以很容易地检测难于接近的地区

15 15 Remote Sensing and Leak Detection Video 远程遥感和泄漏检测录像 ? Techniques to find fugitive leaks with new technology and equipment 用新技术和装置检测逃逸性泄漏的技术

5 minutes Available for download at www.epa.gov/gasstar

16 16 Industry Experience 工业经验 ? Over

110 Gas STAR Program Partners across four sectors have reported

593 million m3 cumulative methane emissions reductions via DI&

M 横跨四个部门的110多个天然气之星合作伙伴报道,通过使用 DI&

M方法累积减少甲烷泄漏593百万立方米 Production

154 million m3 Processing

244 million m3 Transmission

65 million m3 Distribution

130 million m3 Source: iSTAR Database, 2008. 26% 22% 41% 11% 销售 130百万立方米 传输 65百万立方米 加工 244百万立方米 生产 154百万立方米

17 17 Ukraine Experience C Cherkassytransgas Natural Gas Transmission Company (CT) 乌克兰的经验- Cherkassytransgas天然气运输公司(CT) ? Surveyed

2 compressor stations in March 2002, using soap solution and catalytic oxidation/ thermal conductivity detectors 2002年3月,用肥皂泡方法和催化氧化/热传导探测器检测了2个压缩机站 C Found

280 leaks 发现有280个压缩机发生泄漏 C Methane emissions of 2,951,900 m3/year 甲烷泄漏速率2,951,900m3/年?Using Hi Flow Sampler? quantified and prioritized leaks 使用Hi流动取样器对泄漏进行量化和排序 C Repaired

227 leaks 修复227处泄漏 C 1,953,900 m3/year emissions reductions (66% of total measured emissions) 泄漏减少速率为1,953,900m3/年(占检测到泄漏的66%) C Initial investment of $19,000 初始投资19,000美元 ? CT expanded the study to

21 other compressor stations CT公司将研究成果扩展到了其他21个压缩机站上

18 18 ? Surveyed

47 regulator stations in November 2005, using catalytic oxidation/ thermal conductivity detectors 2005年11月,用催化氧化/热传导探测器检测47个管理站 C Surveyed 1,007 components 检测1,007个装置 C Found

94 leaks 发现94处泄漏 ? Using Hi Flow Sampler? quantified leaks as 900,000 m3 per year 用Hi流动取样器量化泄漏=900,000m3/年CInitial investment of $30,000 初始投资30,000美元 C Produced revenue from verified carbon credits 从碳检测上获得收益 ? So successful, Kurskgas expanded study beyond initial

47 stations and covered over 3,300 components Kurskgas将研究成果扩展到47家以外压缩机站,覆盖了3,300多个 装置 Kyrgyzstan Experience C Kursk Natural Gas Distribution Company (Kurskgas) 吉尔吉斯斯坦经验-Kursk天然气销售公司(Kurskgas)

19 19 Lessons Learned 取得的经验 ? A successful, cost-effective DI&

M program requires measurement of the leaks 一个成功的、有成本效益的DI&

M程序需要测量泄漏 ? A high volume sampler is an effective tool for quantifying leaks and identifying cost-effective repairs 大容积取样器是量化泄漏和辨别有成本效益维修的有效工具 ? A relatively small number of large leaks contribute most fugitive emissions 只有几个大型泄漏对大多数逃逸泄漏有影响 ? The business of leak detection is changing dramatically with new technology like infrared cameras that make DI&