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美国GRANT石油工具公司生产的套管刮削器可以刮除掉套管内壁上的铁锈、粘附的水泥块、硬化的泥饼、石蜡、沥青以及套管壁上的射孔毛口、嵌在孔内的射孔子弹等,从而有利于顺利地进行采油、采气作业和完井前、后的各种井下作业。 此外,使用刮削器还可以清除掉由于下入钻头和打捞工具等在套管内壁上造成的毛刺和伤痕。这样,在套管内进行中途测试时,就能在套管内顺利地起、下套管封隔器,使封隔器
The casing scraper produced by GRANT Petroleum Tools Co., Ltd in the United States scrape off the rust on the inner wall of the casing, the cement block to be adhered, the hardened mud cake, the paraffin, the asphalt and the perforation burrs on the wall of the casing, Within the perforation bullets, etc., which is conducive to smooth oil and gas production operations and before and after completion of a variety of downhole operations. In addition, the use of a scraper can also remove burrs and scratches on the inner wall of the casing due to drill bits and fishing tools. In this way, during the midway test in the bushing, the bushing packer can be successfully activated and lowered in the bushing so that the packer