Salvaging tool

• Main Authors: SU HUI, LIU RUJUN, CUI XIAOXUAN, MENG QINGYI, ZI HONGLIANG
• Format: Patent
• Language: Chinese; English
• Published: 10.05.2017
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The embodiment of the invention discloses a salvaging tool. An upper end salvaging joint and a middle end salvaging joint are connected together, and the salvaging tool is connected with exterior equipment through the upper end salvaging joint. The salvaging tool is moved downwards, when the salvaging tool makes contact with a flexible composite oil tube, the salvaging tool enters a first cavity through a first opening, and one suspending end of a first flat hook moves towards the portion, close to the first cavity, of the cavity wall, so that a first flexible part is under a compression state, and the flexible composite oil tube enters the suitable position of the salvaging tool at the upper end; the salvaging tool is lifted upwards, and the first flat hook is under the effect of external force; the suspending end of the first flat hook moves towards the portion, away from the first cavity, of the cavity wall, so that the first flexible part is under a stretching state; and after the first flat hook is inser