Technical research and field application of modified paraffin for selective water plugging;
改性石蜡选择性堵水技术研究与现场应用
Oil based cement slurry is an effectively selective water plugging material whose applications are being highlighted in oil well water control and enhanced oil recovery for its low cost, high selectivity, long working life and wide range of application.
油基水泥浆是一种高效的选择性堵水材料 ,具有价格低廉、选择性好、作用有效期长和适用范围广等优点 ,在油井控水稳油作业中的应用日益受到重视 ,但是国内的研究与应用很少 ,对提高油基水泥浆油 /水置换效率的研究一直未有突破。
A selective plugging agent for oilfields was prepared in laboratory.
以聚丙烯酰胺(HPAM)和木质素磺酸盐(Ga-LS)为主要原料,有机铬类为交联剂,弱碱性物质为pH值调节剂,制得选择性堵水剂。
Test on selective plugging of gel based on solvent substitution method;
该冻胶的选择性堵水性能可由膨胀收缩机理和油水分流机理来解释。
Process of combination of the surfactant huff-puff with selective water shut off and its application;
采油井表面活性剂吞吐与选择性堵水结合工艺及应用
Both selective water shutoff agent W - 1 and profile - controlling agent FW - 1 had the characteristics of adjustable gel - forming time (5 - 40 h) and higher gel strength (10×104-40×104 mPa·s) .
W—1选择性堵水剂及FW-1高效调剖剂具有胶凝时间可调(3～40 h)、凝胶强度高(10×10~4～40×10~4mPa·s)等特点,在大庆油田使用后获得了极高的经济效益和社会效益。
Evaluation of Novel Selective Plugging Agent MX10-2 for Horizontal Well
新型水平井选择性堵水剂MX10-2性能研究
Feasible Study on Water Shutoff with Selective Chemicals in Huizhou 21-1 Oilfield, East Nanhai
南海东部惠州21-1油田选择性化学堵水可行性研究
Selection of Methods of Grouting for Water Blocking-up Based on Fuzzy Decision and Its Application
基于模糊决策的立井堵水注浆方案选择及其应用
Patent Foramen Ovale and Recurrent Stroke Closure is the Best Option?
卵圆孔未闭与复发性卒中经皮封堵术是最佳选择吗?
Does Closure of Patent Foramen Ovale as a Treatment for Migraine with Aura?
卵圆孔未闭的封堵治疗是先兆性偏头痛的选择吗?
Panasonic has chosen the best possibilities for almost all microwave oven expectations without clogging the market with styles that will run out ...
松下选择了最好的可能性几乎都没有期望微波炉市场与风格,堵塞跑出去::
Irrecoverable Blockage Routing Problem and Algorithms;
不可恢复道路堵塞路径选择问题及其算法
Enantioselective Hydrolysis of HMPC Acetate by Microbial Method;
微生物法选择性水解烯丙醇酮乙酸酯
The Application of Selective Nitrilase in Biocatalysis
选择性腈水解酶在生物催化中的应用
Screening of Strains for Enantioselective Hydrolyzing HMPC Acetate;
乙酸烯丙醇酮酯选择性水解菌种的筛选
Study on the Hydraulic and Anti-clogging Performance of Emitters;
滴头水力性能与抗堵塞性能试验研究
A Specific Water-Solubility Fluorescent Molecular Probe for Hypochlorous Acid
一种选择性检测次氯酸的水溶性荧光分子探针
Study on Improving of Bacterial Leaf Streak in Rice by Marker-assisted Selection
水稻细菌性条斑病抗性标记辅助选择研究
Study on Preparation and Electrochemical Property of Ferrihydrite by Selective Extraction Method
选择性溶出法制备水铁矿的电化学性能研究
The sewer lines may then become clogged with inert materials.
废水管路可能被这种惰性物质堵塞。
bioselective chromatography
生物选择（性）层析
(of a membrane) selectively permeable.
（指膜）选择性渗透。
Determination of Ammonia Nitrogen in Waste Water with an Ammonia-ion Selective Electrode
氨离子选择性电极法测定污水中的氨氮含量