贵州织金区块煤层气单井控压产气阶段排采制度研究
- 无痕
-
17 次阅读
-
0 次下载
-
2018-11-28 12:17:30
文档简介:
贵州织金区块煤层气单井控压产气阶段排采制度研究2014年第8期中州煤炭第224期贵,kltI织金区块煤层气单井控压产气阶段排采制度研究邵凯旋(平煤股份二矿,河南平顶山467000)摘要:煤层气单井排采控压产气阶段的关键问题是如何合理制订排采制度。以贵州省织金试验区煤层气开发排采资料为依托,分析了织金煤层气藏特征,探讨了产气量、产水量、套压、液面深、井底流压等排采动态参数间的规律,提出了井底流压稳定值的计算方法,并研究了井底流压的控制,最后给出了适合该区块排采制度的建议。关键词:煤层气单井;控压产气;排采制度;井底流压中图分类号:TD712文献标志码:A文章编号:1003—0506(2014)08—0106—04ResearchonCoalbedMethaneSingleWellProductionSystemswithControlPressureinZhijinBlockofGuizhouProvinceShaoKaixuan(No.2CoalMine,PingdingshanTiananCoalCo.,Ltd.,Pingdingshan467000,China)Abstract:Howtodeterminethereasonableproductionsystemsarethekeyfactorsintheproductionstagesofthesinglecoalbedmethanewellwiththecontrolpressure.BasedontheproductiondataofthecoalbedmethanedevelopmentexperimentalzoneintheZhijinblockofGuizhouProvince,thecoalbedmethanereservoircharacteristicswereanalyzed.Thedynamicparameterswerediscussedduringtheproduction,includingthegasproductionrate,waterproductionrate,casingpressure,depthlevelofthefluidandthebottomholeflowingpressure.Anewcomputingmethodofstablebottomholefl
评论
发表评论