试析桩西炮眼封堵技术研究

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1、天津大学硕士学位论文桩西炮眼封堵技术研究姓名：吴柏志申请学位级别：硕士专业：化学工程指导教师：杨桂琴;缪明才2001.1.1中文提要f炮眼纠堵技术是改善油1+]丌发效果达到控水稳油目的的重要IZ投i术之。Ii时L二仃的炮眼到堵技术包括水泥炮眼封堵技术和蚪瓴M惜小球炮眼土寸堵技术两种。其中水泥炮眼封堵技术仔在施上_小安令、幼；、托ft毖伞造成大修事故的问题，环氧树脂小球炮眼封堵技术则存

2、雎缩崮化型炮眼封堵剂，以钙土、水泥为主要原料的炮眼封堵的颅处理荆、以及现场炮眼封堵塑王王茎，形成了适于现场应用的炮眼封堵技术。经胜利油田桩西、纯梁、滨南、胜采、临盘等采油厂以及华北、人港、中原、辽河等油阳51井次的现场实施表明，该技术具有堵得浅、堵得。卜、用量少(平均每个炮眼5kg)、费用低、有效期长、施工I艺陶草(稚压差作用压实固化，不会出现卡管柱等事故)、适合不

3、司油臧条件要求等优点，措施成功率可达98％。f本文所研究的炮眼封堵技术进一步完善了油KI堵水技术，具有技术创新性和良好的推广应用价值。厂一7／关键词：炮眼3封堵，树脂，堵水剂，油井，水井天津人学顶十学

4、位论文ABSTRACTTheperforationpluggingtechniqueisoneoftheimportanttechniquestOimprovetheresultsofoilfield’SdevelopmentsandtorealizetheaimsofwatercontrolandstableproductionAtpresent，twotechniquestOplugperforationhavebeendeveloped．Inoneoftechniques，cementisused．ButcementCallsticktheoperating

5、toolstrings，evensometimesamajorrepairisneeded．Sothistechniquecannotoperatesafely．Intheothertechnique，smallepoxyresinparticleisselectedForthistechnique，itisdifficulttOchooseaproperopportunitytOinjectagents．Italsohassuchdisadvantagesasshorteffectivetime，poorresultforheterogeneousformati

6、on．Hence，thesetwotechniquesCan’tmeettherequirementswellforfieldoperation．Anewtechniqueincludingperforation—pluggingagent，pretreatmentagentandmatchingfieldoperationalprocesshasbeensuggested．Theperforation-pluggingagentisakindofinorganicparticlearoundwhichthereisphenolformaldehyderesin，

7、andthepretreatmentagentismainlycomposedofcementandterraresinThisperforation—pluggingtechnologyhasbeenappliedin51wellsofShengli．Huabei，Dagang，Zhongyuan，LiaoheOilfieldetc．．Theresultsconfirmthatthistechnologyhastheadvantageasfollowing：pluggingshallowandfirmly,requitinglowdose(5kgperforat

8、ionpluggingagentforonewellequally)，beingeffectivelongtimeandsuitillgforallkindsofreservoirconditions．ItsSUCCESSratiocanreach98％．Thiscreativetechnologyinthepaperfurtherprefectwaterpluggingprocess．andcanbeusedwidelyinoilfield．Keyword：perforation，plug，resin，waterpluggingagent，oilproducti

9、onwel