知识与财富的链接
光杆落物打捞器是一种新型打捞工具，主要用于打捞重量较轻的细长光杆式井下落物（如测斜仪器，测井仪器等），详细介绍了该工具的结构，工作原理及使用注意事项，在两口井的成功应用表明，该工具能有效地捞获井下落鱼，具有很好的经济效益和社会效益。
The polished rod fishing tool is a new type of fishing tool and is mainly used to fish long slim, not heavy rod type fishes. The paper introduces the structures, working principles and usage information of this tool. The successful applications in two wells show that this tool can effectively retrieve down hole fishes and has remarkable economic & social benefits.
