超稠油油藏深部封窜调剖技术的研究  

Technology of Deep Channel Blocking and Profile Control for Super Heavy Oil Researviors

作　　者：王正东 

机构地区：[1]中国地质大学(北京),北京100083

出　　处：《石油化工高等学校学报》2006年第4期65-67,共3页Journal of Petrochemical Universities

摘　　要：为解决辽河油田杜-84块超稠油油藏蒸汽吞吐开采过程中井间汽窜和调整吸汽剖面，提高蒸汽吞吐效果，研制了热固性封窜调剖剂，该封窜调剖剂热固性树脂（质量分数为5％～20％）＋橡胶胶粉＋交联剂（质量分数为2％～12％）构成。该封窜调剖剂粘度较低（100-200mPa·S），便于注入施工，具有很好的分选性，容易进入高渗层或大孔道，可有效地减少对低渗透层的伤害，60℃成胶时间在8～59h可调，在原始水测渗透率为5．800，10．153，15，181μm^2的岩心中，热固性封窜调剖剂的封堵强度分别为0．71，0．75，0．77MPa／cm，封窜调剖剂固化后在330℃高温老化60d，成胶骨架不破坏，封堵率达到98％以上。目前，该封窜调剖剂已在辽河油田得到应用，取得很好效果。A kind of thermosetting channel blocking agent was developed and used to solve such problems as steam channeling and bad steam absorbing profile between wells in the course of steam huff ＆ puff production in IM - 84 block super heavy oil researvior. The agent was composed of thermosetting resin（mass fraction is 15 % -20% ）, rubber gelling powder and cross linking agent（ mass fraction is 2% -12 % ）. The agent has such advantages as low porosity （100-200 mPa·s）, easy injection operation, good sorting, easily getting into high permeability formation and large pores, decreasing the contamination on low permeability formation, adjustable gelling time at 60℃ （8 - 59 h）, its blocking strength in cores being 0.71,0.75 and 0.77 MPa/cm respectively corresponding to water measuring permeabilities of 5. 800,10. 153 and 15. 181μm^2 respectively, gelling skeleton remaining good after the agent being aged under 330℃ for 60 d and blocking ratio being over 98 %. At present, this kind of channel blocking agent finds application in Liao he oil field and effective result is obtained.

关 键 词：超稠油油藏 深部封窜 高温调剖剂 地下成胶 

分 类 号：TE358.3[石油与天然气工程—油气田开发工程] TE39