摘要
由碱法酚醛树脂与硼酸制成硼改性酚醛树脂（乙醇溶液），再与粒径0．4～0．8mm的石英砂一起制成树脂涂敷砂．经组分筛选得到实用配方如下（以质量计）：石英砂100％．树脂10％，偶联剂ST-30．15％～0．20％。增韧剂ZF-0.1 0．9％～1．0％。由100g石英砂＋10g树脂＋0．9g增韧剂＋0．2g偶联剂组成、在水介质中于70℃固化反应72小时，再在180～360℃不同温度下老化24小时得到的固结砂样，抗压和抗张强度在老化温度为200℃时最高．分别为12．1和7．7MPa，老化温度300℃时分别为9．7和4．2MPa，符合防砂要求；老化温度在240～300℃时空气渗透率为32．6～34．1时。在以蒸汽吞吐方式开发、油井出砂严重的胜利孤岛稠油油田，从2002年开始用该树脂涂敷砂进行防砂施工128井次，施工成功率98．6％，平均注汽温度305℃，注汽质量流量13．5t／h．平均有效期298天。表5参2。
By reacting alkaline catalyzed phenolic resin with boric acid, a boron containing phenolic resin （BCPR） in ethanol solution is synthesized and used for preparing high temperature resistant resin coated sand （RCS） based on quartz of particle size 0.4-0.8 mm. The working recept of this RCS formulated through ingredient dosage screening experiments is as follows （in mass parts） ： quartz 100 ＋ BCPR 10 ＋ coupling agent ST-3 0.15-0. 20 ＋ flexibilizer ZF-01 0.9-1.0. For the solidified RCS samples composed of 100 g quartz, 10 g BCPR, 0.9 g flexibilizer, and 0.2 g coupling agent, cured in water media at 70℃ in 72 hrs and aged at temperature ranged 180-360℃ in 24 hrs, the compression and the bending strength reach their peak values, 12.1 and 7.7 MPa, when aged at 200℃ and have satisfactory values for sand control, 9.7 and 4.2 MPa, respectively, when aged at 300℃ and the air permeability is in range 32.6-34.1 μm^2 when aged at 240-300℃. In Gudao, Shengli, where the sandstone reservoirs are poorly consolidated and severe sand troubles are encountered in steam huffing-puffing heavy oil wells, 128 sand control operations with this RCS have been performed since 2002 with 98.6% operational successfulness and the oil wells give a positive response in oil productivity in 298 days in average at steam temperature 305℃ and steam injection rate 13.5 t/h in average.
出处
《油田化学》
CAS
CSCD
北大核心
2006年第1期9-11,共3页
Oilfield Chemistry
关键词
树脂涂敷砂
硼改性酚醛树脂
研制
防砂
蒸汽吞吐采油井
胜利孤岛油田
resin coated sand
boron containing phenolic resin
preparation
sand control
steam huffing-puffing productionwells
Gudao oil .fields in Shengli
