生物酶洗井射孔液技术(精品)

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,生物酶洗井射孔液技术,东营盛世石油科技有限责任公司,对于常规直井、斜井完井洗井射孔时，使用我们的,SUN-B2,生物酶解堵增产剂，进行洗井射孔技术，可以有效地清洁近井地带，消除水伤害、清洁油垢、降粘解堵，诱导油流，提高近井地带渗透率，让油气井达到最佳的投产状态，取得良好的经济成果。,一、作用机理,生物酶解堵剂能够迅速清洁近井地带和井筒中的油垢，剥落粘附油膜、清洁孔吼、诱导油流；,降低油水界面张力，加强扩散作用，消除水伤害。,螯合剂解除无机垢，疏通扩大渗流孔道。,二、射孔洗井液配方建议,1,、,SUN-B2,生物酶洗井射孔液,2%,2,、,SUN-B2,生物酶洗井射孔液,2%+0.5%-1%,螯合剂,用,2m,以内的过滤海水、水源水、清水等配置。,三、室内试验研究,油砂清洁试验,左边为清水，右边,5%,生物酶洗井射孔液,渗透率恢复值测定实验,编号,药剂浓度,K,0,（,md,）,K,1,（,md,）,K,2,（,md,）,渗透率恢复值,1,2%SUN-B2,407,275,378,92.87%,2,2%SUN-B2+0.5%,螯合剂,578,355,539,93.25%,3,4%SUN-B2,388,272,367,94.59%,4,4%SUN-B2+1%,螯合剂,400,275,379,94.75%,将所取稠油样配成油水比为,7,：,3,的混合液体，以混合液体积为基准加入不同量的,SUN-B2,生物酶洗井射孔液，在电动搅拌器,1200r/min,下搅拌均匀，在,55,下测量粘度。结果如下：,清水配制浓度,%,水油比,降粘率,%,0.5,3,：,7,98.3,1,3,：,7,98.9,2,3,：,7,99.1,5,3,：,7,99.7,降粘率测定实验,降压实验,岩心编号,气测,渗透率，,md,酶浓度，,%,水驱压力梯度，,at/cm,注酶压力梯度，,at/cm,注酶压力梯度下降百分数，,%,后续水驱压力梯度，,at/cm,后续水驱压力梯度下降百分数，,%,人造,D-10,53.7,0.5,0.236,0.117,50.42,0.089,62.29,人造,D-11,53.7,1,0.214,0.098,54.21,0.069,67.76,人造,D-12,53.7,2,0.383,0.133,65.27,0.111,71.02,人造,D-13,53.7,5,0.255,0.051,80.00,0.012,95.29,生物酶驱油实验,岩心编号,气测渗透率，,md,酶浓度，,%,水驱采收率，,%,酶驱采收率增加，,%,总采收率，,%,人造,4,号,98,0.5,55.3,9.7,65,人造,5,号,98,1,54.1,11.5,65.6,天然,6,号,76,0.5,33.9,8.6,42.5,天然,7,号,35.5,2,44.5,9.7,54.2,人造,D-14,53.7,0.5,48.8,6.9,55.7,人造,D-15,53.7,1,49.6,7.4,57,人造,D-16,53.7,2,49.9,8.1,58,人造,D-17,53.7,5,50.5,8.5,59,非均质,5,50.5,2,49.7,6.5,56.2,水锁问题的解决,SUN-B2,浓度，,%,初始渗透率,10,-3,m,2,水伤害后渗透率,10,-3,m,2,处理后渗透率,10,-3,m,2,渗透率恢复率,%,0.5,13.51,6.71,12.20,90.30,1,50.61,29.27,45.94,90.77,2,27.27,14.35,24.85,91.13,5,16.02,10.07,14.78,92.26,表、界面张力的测定,选用现场原油，依据,SY/T5370-1999,测定不同浓度下,SUN-B2,生物酶洗井射孔液的表面张力以及油水界面张力，结果如表,1,所示：,生物酶洗井射孔液浓度，,%,0.5%,1%,2%,5%,表面张力，,mN/m,24.6,23.8,22.9,22.1,界面张力，,mN/m,0.62,0.56,0.51,0.49,水分子扩散作用,SUN-B2,浓度，,%,0,0.5,1,2,5,相对扩散系数,100,137.36,139.50,146.27,148.88,SUN-B2,生物酶洗井射孔液在水中的扩散作用,SUN-B2,生物酶洗井射孔液在原油中的扩散作用,SUN-B2,浓度，,%,0,0.5,1,2,5,相对扩散系数,100,117.87,119.94,126.12,124.11,与破乳剂配伍性,与原油当地的破乳剂配伍性良好，不影响破乳。,与地层长时间接触不伤害地层,加入螯合剂与无机垢溶解率关系,螯合剂加量，,%,0.5,0.6,0.7,0.8,0.9,1.0,垢的浓度（,mg/l,）,CaCO3(482),89.9,91.6,93.9,98.1,99.9,100,垢的浓度（,mg/l,）,MgCO3(813),86.2,89.8,91.7,98.8,99.4,99.8,A-B102,井生物酶防水过滤海水完井洗井工艺：,该井新井投产，,140,枪弹油管传输射孔，精密复合微孔滤砂管防砂，下电泵采油（带测压装置），采用油层套管完井，孔隙度,31.733%,，渗透率,533.50910-3um2,，有效厚度,155.4m,。,选用入井液：,1,）基液：过滤海水,浊度值小于,20NTU,。,2),修井液、压井液：,A,过滤海水,+2%SUN-B,生物酶解堵剂，,60m,3,B,过滤海水,+2%SUN-B,生物酶解堵剂，,40m,3,；（射孔后见油洗井用）。,投产后日油,65,吨，含水,25%,，取得了良好的投产效果。,SUN-B2,生物酶解堵剂,6,万元,/,吨。,四、现场使用方法举例,盛世石油科技公司,真诚奉献,