Combined fishing tool
Combined fishing tool. The problems that an existing special fishing tool is high in fishing cost and inflexible in operation during conventional operation of an oil-water well are mainly solved. Themethod is characterized in that the method is characterized by comprising the following steps; wherei...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | Combined fishing tool. The problems that an existing special fishing tool is high in fishing cost and inflexible in operation during conventional operation of an oil-water well are mainly solved. Themethod is characterized in that the method is characterized by comprising the following steps; wherein the bottom of the coupling (1) is connected with an outer hook body (2); a plurality of outer hooks (7) are connected to the outer wall of the bottom of the outer hook body (2), an inner hook body (5) sleeves the middle of the outer hook body (2), an inner hook (8) is connected to the inner wallof the bottom of the inner hook body (5), a spring (3) sleeves the outer hook body (2), and two ends of the spring (3) are abutted between stepped surfaces of the outer wall. The combined fishing toolis used for fishing common underground fallen objects, large well repairing equipment and professional tools are not needed, time and labor are saved, the combined fishing tool is rapid and convenient to use, the well repairin |
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