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辽宁省辽中县在大量发展机井工作中,发挥了职工的钻研精神,创造成功木管真空井,比一般机井(套管井)具有以下优点:1.出水多:吸力大,水源面广,出水量增加50%左右。2.成本低:一般作一眼机井需5,000余元,而作木管真空井只需250元。3.节省钢铁:每眼井按节省3,000斤钢管计算,全县1,214眼机井共节省钢材1,800吨。
Liaozhong County, Liaoning Province, in the development of a large number of wells, has played a worker’s spirit of study to create a successful wood tube vacuum wells than the average shaft (cased hole) has the following advantages: 1. Out of water and more: suction, water surface, water Increase about 50%. 2. Low cost: generally make a look machine wells need more than 5,000 yuan, and for the tube vacuum well only 250 yuan. 3. Saving steel: According to the calculation of saving 3,000 kilos of steel pipe per well, a total of 1,214 tons of steel shafts were saved in the county with a total saving of 1,800 tons of steel.