资源描述:
《试井分析_毕业论文___答辩》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、在油气出开发屮试井分析越来越重要,在油气田开发屮,试井是地层评价和生产动态分析的重要手段之一,试井对评价井的产能,求取地层参数,评价井下措施效果等方面都是必不可少的。试井分析包括T扰试井和脉冲试井。但是,日前试井资料没有得到很好地利用。一方面是试井分析解释人员常常由于不能掌握比较丰富的油藏动态资料,对试井资料的处理解释不够深入,存在一定的局限性,抓不住储层动态变化特征;另一方面是油山开发管理者对试井成果的有效利用不够,仅限于对试井资料所得的地层压力、储层污染分析等方面的应用,也忽视了储层动态的变化特征。认为要进一步深入研究试井资料所反映出来的
2、丰富的油藏动态信息,加强对不稳定试井资料的对比分析,包括同井的历史测试资料对比、邻井的测试资料对比等等,进行纵向和横向的对比分析。关键词:试井分析;干扰试井;脉冲试井;试井曲线;油藏动态AbstractIntheoilandgasdevelopmentoilandgasfielddevelopmentinformationevaluationandporduction.Inoilfielddevelopment,welltestingisaimportantmethodforanalysisofformationandreservoirper
3、formance.Thereservoirperformanceinformationwhichthetransientwelltestreflectsisveryabundant,welltestanalysisincludinginterferencetestsandpulsewelltesting.However,atpresent,theapplicationofwelltestdataisonlyindividualwellandsinglewelltestandthetestdataisapplytoreservoirveryli
4、mitedly・Itsreasonliesin:interpretercannotgraspformation^performanceandinterpretmoredetailsbecausehavingnoabunda.reservoirperformancedata.Intheotherhand,thefields9managersandtechnicistusethewelltestesresultsverylimitedly.Inmostinstances,formationpressureanddamageareappliedin
5、fields,developmentandtheformationperformanceisignored・thereby,theauthorthinkthatstudyingtheformationdynamicbyanalyzingreservoirmodelvariationisaefficientmethod,andanalyzingthereservoirperformance,atthesametime,itisnodoubtthattheformationparametersobtainedbywelltestdatum,but
6、whatisimportantisthatthereservoircharacteristicsinformationattainedbyit.So,weshouldanalyzeadequatelyreservoirmodelvariationandstudyformationdynamic,accordingly,recognizingreservoirbetter,enhancingreservoirmanagement,instructingreservoirdevelopment,whichshouldbeattachedimpor
7、tancetoinviewoftheinvestigatorsforanalyzingthewelltestdatumandreservoirdevelopmentmanagers.KeyWords:Welltestanalysis;Interferencetest;Pulsewelltesting;Welltestcurves;Reservoirperformances目录第1章概述1第2章试井分析的基本理论及发展简史32.1试井及其目的32.2多井试井分析方法42.3T扰试井技术判断井间连通性的方法72・4脉冲试井及目的82.5脉冲试井与
8、普通干扰试井有以卜•优点92・6现代试井技术解释92・7试井解释方法的发展过程102・8产能试井和不稳定试102.9脉冲试井与普通干扰试井有以下优点112.10弱脉