SE/?Z9(8639)(I|:2006AA11A1E3)+8O1S(I|:07ZA119)sT。Te:,o,1970M3,=,V;C1VY/。:(610039)+8gdu999|。:(028)87720534。E-mail:jinhuit163.comCNGF_!BN1o5谭金会1何太碧1杨菡2林秀兰1(1.vY2.SF2Bgrs).CNG 加气站设备安全风险评价的关键问题.天然气工业,2008,28(11):117-120.K1随着城市加气站的蓬勃发展和国家大力提倡的城际间加气站网络建设逐步展开,CNG 汽车加气站及设备保有量与日俱增,加气站设备安全风险评价十分必要和迫切。提出了加气站设备选型及安全风险评价必须遵循“安全第一,性能第二,成本第三”的基本原则,对其安全风险评价中的关键问题进行了深入研究:加气站安全事故的表现形式及爆炸危险区域划分;安全风险评价应考虑的关键系统及关键部件;安全风险评价易忽略的危险因素主要易损件的安全可靠性及使用寿命、气质问题、在线检测系统及报警系统、辅助电加热(保温)、降温及强制通风设备、含油率问题。明确了加气站安全风险评价应从站内扩展到站外,并对储气型式的安全风险评价提出了新的判断标准。据此为政府部门加强安全监管、加气站业主加强安全自评提出了切实有效的操作性建议。5M压缩天然气汽车加气站设备安全风险分析“E”、“EB”W,SF_y!H。S/“863”9?v|“uUSI”5,u#vwW,edASQ,1、,1T!。6,F_+y,A!、1p。、NBy1.1qVL#Pp1qvdD、,D、oD、Af、D、D、F6_D、hD#5Vr、)Ws、Vr、-、Vr、3dAs。?CSqVL#PpB46。tqN,Yv,j。2.5YVr,9Bv。3.L_#dL_!1LsN、LH2S_N。F_vX!,_:c:c,T?s。?CBtF_d(NJ)M!。Aj,;!5,55。4.F()、#rJVCV,8。B、F_!BN#、0、/6S,vrIBN J .v:1S,2005(4). 3b,Zo,5.CNGF_+/5J .v:1S,2006(1):14-15. 45,Zo,f,.CNGF_S!Pf J.?, 2006, 26(8):144-145;2006,26(9):138-140.(2008-09-28I uW)120F? 2008M11Add:Sichuan Logging Company of CNPC Sichuan-Changqing Drilling &Exploration Corporation, Jiangbei District, Chongqing400021,P.R.ChinaTel:+86-23-6735 2402Mobile:+86-13527546705E-mail:slcygphotmail.com148www.trqgy.cn/e/abstracts.aspGALVANICCORROSIONBEHAVIORSOF DOWNHOLEMATERIALSINSOUROILANDGASWELLSZHAO Hua-lai1,2, JIANG Fang1,2, LI Xun1,2, XIAN Ning1,2 ,LI Tian-lei1,2(1 Southwest Branch of ChinaPetroleum Engineering Co., Ltd.;2 CN PC Key Laboratory for Material Test and Evaluation Center of Si-chuan Sour G as and Oil Fields).NATUR.GAS IND.VO LUME 28, ISSUE 11, pp.114-116, 11/25/2008.(ISSN 1000-0976;InChinese)ABSTRACT:Serious results will be possibly caused by the galvanic corrosion on the downhole equipments like oil casing pipesand packers in those sour oil and gas wells.However, few studies can be found in present China on the galvanic corrosion be-havior in this sector and so no practical reference can be obtained.Aiming at this problem, this study was carried out on thegalvanic corrosion behaviors of typical low-alloy steel VM80SS as oil casing pipes and nickel-based alloy as packers under packerfluids in the Luojiazhai gas field of the Sichuan basin.An electrochemical test method was taken into use for measuring the po-tential and current of the Inconel 718-VM80SS couple with four different cathode/anode ratios, and the obtained results werecompared with those achieved by the zero-gravity test.The effects on the galvanic corrosion by different cathode/anode ratiowere discussed and galvanic potential was found to be increased logarithmically and galvanic current increased linearly with theincreasing of cathode/anode area ratio.This paper suggested that the galvanic corrosion should be determined by measurementunder different kinds of electrolyte environment.SUBJECT HEADINGS:low-alloy steel, nickel-based alloy, packer fluid, contact corrosion, corrosion experimentZHAO Hua-lai(assistant engineer), born in 1982, holds an M.Sc.degree, and is now engaged in studies of corrosion and an-ticorrosive works in oil and gas fields.Add:Southwest Branch of China Petroleum Engineering Co., Ltd., No.25, Xiaoguanmiao Hou Street, Chengdu, SichuanProvince 610017,P.R.ChinaTel:+86-28-8601 4471Mobile:+86-13438450061E-mail:zhaohualaicpe-sw.comMAINISSUESINSAFETYRISKASSESSMENTONTHE EQUIPMENTSATCNGFILLINGSTATIONSTAN Jin-hui1, HE Tai-bi1, YANG Han2, LIN Xiu-lan1(1 School of Transportation &Automotive Engi-neering, Xihua University;2 PetroChina Southwest Marketing Company).NATUR.GAS IND.VOL-UME 28, ISSUE 11, pp.117-120, 11/25/2008.(ISSN 1000-0976;InChinese)ABSTRACT:With the vigorously dev