Infrared thermometer tracing and leak detection are fast and accurate
Single well injection pipelines often experience perforation and perforation. Some of the puncture points are located at a depth of 30-100 centimeters below the cement floor inside and outside the polymer injection station building.
Previously, it was common to follow the "overflow point" of the mixed liquid and hit the cement floor to find the "puncture point", which is twice the effort in the past. The technical personnel of the Gudong Third Production Center of Shengli Oilfield have utilized the temperature sensitive characteristics of infrared thermometers to quickly and accurately locate pipeline leakage points.
Generally, the mixture of polymer mother liquor and sewage is transported to the wellhead in the polymer injection well pipeline, with a temperature of around 40 ℃. The mixed liquid coming out of the puncture point migrates along the large underground porosity, and can transfer for over 10 meters in length. It then overflows from the weak point, which is the overflow point. During the transfer process of the mixed liquid, the temperature gradually decreases, i.e. the overflow point temperature * is low, while the puncture point temperature * is high.
When actually searching for leaks, simply hold an infrared thermometer and move along the path of temperature increase from the overflow point, and find the high temperature point to find the puncture point. Multiple leak detection tests have proven that this method is time-saving and labor-saving, with an accuracy of 100%, and can greatly reduce the range of hitting cement floors. This year, infrared thermometers were used to detect leaks 15 times, reducing the pipeline processing time by 6 hours on average per well and increasing the injection volume of polymer solution by 680 cubic meters.
The infrared thermometer can also be used to monitor strong current areas such as control cabinets and distribution boards in the station, accurately and timely detecting abnormal situations such as false connections and looseness at the connection points of AC contactors. The operation is simple and does not affect the normal operation of the equipment.
