中华人民共和国石油天然气行业标准SY/T 6125—2006 代替 SY/T6125—1995， SY/T 6259—1996，SY/T 6262—1996气井试气、采气及动态监测工艺规程Technologyprocedures forgaswell testing，gasproducingand performance monitoring2006—07—10发布2007—01—01实施国家发展和改革委员会发布 目 次前言 ···························································································································································I1范围······················································································································································12规范性引用文件··································································································································13术语和定义··········································································································································14试气······················································································································································35采气····················································································································································106动态监测············································································································································147健康、安全和环境管理体系（HSE）·······························································································16附录A（资料性附录）气井常用缓蚀剂性能、效果·············································································21附录B（资料性附录）甲烷等可燃性气体、可燃性液体爆炸极限······················································22免费下载 SY/T 6125—2006前言本标准代替 SY/T6262—1996《气井试气工艺规程》、SY/T6259—1996《气井开采技术规程》和 SY/T6125—1995《采气井动态监测技术规范》。本标准与SY/T6125—1995，SY/T6259—1996和 SY/T 6262—1996相比主要变化如下：a）将 SY/ T 6125-1995，SY/T6259—1996和SY/T 6262—1996三个标准的引用标准整合为规范引用文件作为本标准第 2章，增加了术语和定义作为本标准第3章，将原三个标准的基本内容作为本标准第 4章~第6章，并将原三个标准有关健康、安全与环保的内容整合、补充、完善作为本标准第 7章。b）本标准第 2章中：——增加了 GB/T 11651—1989《劳动防护用品选用规则》、SY/T 5127—2002《井口装置和采油树规范》、SY/T 5325—2005《射孔施工及质量监控规范》、SY/T 6277—2005《含硫油气田硫化氢监测与人身安全防护规程》、SY/T 6361—1998《采油采气注水矿场健康安全与环境管理体系指南》、SY/T 6362—1998《石油天然气井下作业健康、安全与环境管理体系指南》、SY/T 6443—2000《压裂酸化作业安全规定》、SY/T 6581—2003《高压油气井测试工艺技术规程》、SY/T 6610—2005《含硫化氢油气井井下作业推荐作法》九个引用标准；——删除了 SY/T 5156—1993，SY/T 5486—1992，SY/T 5784—1993，SY/T 5604—1993，SY/T 5789—1993，SY/T 5895—1993，SY/T 6023—1994，SY/T 6125—1995八个引用标准。c）本标准第 3章中：——增加了不同类型气井、H2S分压等术语的定义；——增加了H2S阈限值、安全临界浓度、危险临界浓度等术语的定义并赋值；——增加了所有术语的英文。d）本标准第 4章中：——增加了不同类型气井的相应试气测试流程及测试装置的要求；——增加了增产作业内容、工作液及支撑剂的准备和措施后的再求产、再测试及要求；——增加了临界速度流量计的结构图、安全要求及计算公式；——增加了气井测试产量、绝对无阻流量计算公式；——增加了压井、凝析气井、含H2S气井测试的相关要求；——删除了 SY/T 6262—1996中的4.5.1有关垫圈流量计的内容；——删除了 SY/T 6262—1996中的3.9.1含硫气井应配备“防毒面具”；