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德国Preussag和BEB公司及挪威Statoil公司合用进行了一次大规模聚合物驱先导性试验工程，Vorhop－Knesebeck（简称V－K）油藏埋深约1200m。储集岩为固结砂岩、孔隙度27％，平均渗透率1μm2。油藏温度56℃，在油藏条件下原油粘度为4mPa·s、油藏地层盐水总矿化度为220g／1TDS，该地层盐水地用作聚合物注入及混配水。尽管该油藏水驱采收率已经很高，但预计采用生物聚会物驱还能增采约8％原始石油地质储量的原油。为了寻找最佳生产和注入方案，进行了油藏数值模拟。2口位于封闭构造上的生产井进行生产。注入了0．4PV的聚合物段塞。约需汪入80t黄原胶。黄原胶由Statoil公司在容积约为30m3的先导性试验发酵器中生产。根据矿场需要对黄原胶生产过程进行了优化。1989年12月开始注入聚合物。在聚合物注入过程中没有发生任何注入问题。聚合物注入约5个月后在一口井中观察到了聚合物注入响应。另一口井一年后也观察到了注入响应。
Preussag, Germany, and Statoil of Norway conducted a pilot pilot project on large-scale polymer flooding. The Vorhop-Knesebeck (V-K) reservoir has a depth of about 1200 m. The reservoir rocks are consolidated sandstone with a porosity of 27% and an average permeability of 1μm2. The reservoir temperature is 56 ℃, the viscosity of crude oil is 4mPa · s under reservoir conditions, and the total salinity of the formation water is 220g / 1TDS. The saline water is used as polymer injection and mixed water. Despite the high waterflood recovery efficiency of this reservoir, biopolymer flooding is expected to add crude oil to about 8% of the original petroleum geological reserve. In search of the best production and injection scenario, reservoir numerical simulation was performed. 2 production wells located in a closed structure for production. A 0.4 PV plug of polymer was injected. Approximately Wang into 80t xanthan gum. Xanthan gum is produced by Statoil in a pilot test fermentor with a volume of about 30 m 3. Xanthan gum production process is optimized according to the needs of the mine. 1989 December began injection of polymer. No injection problems occurred during the polymer injection. Polymer injection response was observed in one well after about 5 months of polymer injection. Injection injection was also observed one year after the other well.