最近,华北油田北京勘探指挥部青年下灰工孔祥友,试制成功了石油井固井下灰自控装置,改变了过去人工操作的落后方式。 六十年代以前,石油井固井下灰靠人工把一袋袋水泥往漏斗里倒,然后再由压风机把经过搅拌的水泥注入井内。这种操作,劳动强度大,粉尘弥漫。 孔祥友于1978年4月来 Recently, Kong Xiaoyou, a young undergraduator at the Beijing Exploration Headquarters of Huabei Oilfield, successfully piloted a cementing submerged automatic control device in a well and changed the way backward man-made operations were conducted in the past. Before the sixties, well cementing and cementing was manually poured into a funnel by hand, and then cement was injected into the well by a blower. This operation, labor-intensive, dust filled. Kong Xiang You arrived in April 1978