非生物(无机)气

大庆油田伴生气中硫化氢成因的探讨

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  • (1.吉林大学地球科学学院,吉林 长春 130061; 2. 大庆油田有限责任公司勘探开发研 究院,黑龙江 大庆 163712; 3.大庆油田有限责任公司天然气分公司,黑龙江 大庆 1 63757)
王连生(1966-),男,黑龙江宝清人,高级工程师,在读博 士研究生,主要从事石油地质研究.

收稿日期: 2005-11-10

  修回日期: 2005-12-30

  网络出版日期: 2006-02-20

基金资助

基金项目:〖H TSS〗国家油气专项“大庆探区外围中新生代断陷盆地群演化与油气远景”(编号:XQ-2004 -07)资助.

THE DISCUSSION OF THE ORIGIN OF SULFURETED HYDROGEN IN ASSOCIATED GAS OF DAQING PLACANTICLINE

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  • 1.Jilin University, Changchun 130026, China; 2. Exploration and Development Research Institute of Daqing Oilfield Company Ltd., Daqing 163712, China; 3. Natural Gas Branch of Daqing Oilfield Company Ltd., Daqing 163757, China

Received date: 2005-11-10

  Revised date: 2005-12-30

  Online published: 2006-02-20

摘要

大庆长垣在20世纪80年代以前伴生气中基本不含H2S,90年代以后发现油田伴生气中含有H2S,到2002年H2S含量已超过200 mg/m3(总外输),腐蚀油气管道的现象时有发生。对取自大庆长垣的8个样品(H2S气体和FeS粉末)进行了硫同位素分析,结果显示δ34S值在+12.73‰~+16.10‰之间,认为H2S成因与生物作用关系不大,其很可能是松辽盆地基底石炭―二叠系中硫酸盐热化学还原作用(TSR)所生成。

本文引用格式

王连生;刘立;郭占谦;马志红;迟东辉; . 大庆油田伴生气中硫化氢成因的探讨[J]. 天然气地球科学, 2006 , 17(1) : 51 -54 . DOI: 10.11764/j.issn.1672-1926.2006.01.51

Abstract

 There was no H2S in the associated gas of Daqing placanticline before the 80s  of last century. By the middle of 90s, the content of H2S in the associated ga s was detected. At the year of 2002, the content of H-2S reached 200 mg/m3 an d many oil pipes were eroded. By analyzing the 8 samples(H2S gas and FeS powde r) collected from Daqing placanticline, the values of δ34S of 8 samples v ary at the range of +12.73‰~+16.10‰. The isotope feature of this H2S is qui te different compare with the H2S which generated by bacterial sulfate reducti on(BSR) in other oilfield. The H2S maybe associate with the Thermochemical Sul fate Reduction(TSR) in the rock of Permo-Carboniferous in the basement of Songl iao basin.

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