The value of technology lies in promotion. Has been widely favored in the thin oil well area of ​​France PCM screw pump production technology, the technology to promote the application of the tentacles successfully extended Shushan 1-39-036 heavy oil wells. As of May 8, the measures well smooth production of 46 days, screw pump working condition completely normal. As an emerging mechanical lifting technology, screw pump has many advantages such as low investment, high system efficiency and obvious energy-saving effect. Since 2006, the technology has been popularized and applied 33 wells in the Shuguang thin oil block of Liaohe Oilfield, and achieved good energy-saving and stimulation effect. Is there a breakthrough in this technology for an old oilfield that accounts for more than 72.4% of the heavy oil throughput development? Since 2007, the technical staff of Dawn Production Plant has cooperated with experts from French PCM Company and quickly found the root cause. In the heavy oil well area under the initial pump, the bottom hole temperature exceeds 180 degrees Celsius, while the conventional screw pump stator temperature limit of only 120 degrees Celsius. Therefore, the screw pump production technology high temperature test has become the focus of research. After the screw pump stator rubber formulations improved, March 21, Shu mining plant selected wells in the buried hill Shushan 1-39-036 Liaohe Oil Region for the first high-pressure screw pump production technology test. Well temperature was tested after the thirteenth cycle of the well was swallowed. The temperature in the middle of the reservoir was 192 degrees Celsius. Argument that the use of PCM high temperature screw pump technology is feasible. March 22, after the measures to open the pump production, open production wells on the day of 27 tons, pump efficiency 67.5%, normal production. As of May 8, average daily production of 38.1 tons of daily crude oil and 38 tons of daily crude oil in Shu 1-39-036 well and daily output of 3.3 tons decreased from 62 degrees Celsius to 78 degrees Celsius in the early well opening period and have already passed the high-temperature period of the steam stimulation oil well. It shows that the high temperature screw pump test achieved substantial success. Experts believe that the French PCM high temperature screw pump in the thick oil wells have promotion prospects.
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