In many construction operations of oil and gas exploration and development, workover operations are a very important link. Well repair operations include off operations, in-cylinder cycle operations, and rotary operations. The workover rig is the main necessary equipment for workover and underground operation. It is much smaller than the drilling machine well and it is very good to distinguish the two. According to the operating structure, the workover rig is divided into two types: track-type and tire-type. Let's briefly introduce the workover rig. The basic structure of the workover rig: It mainly includes a cab, a frame assembly, a suspension assembly, an axle assembly, a power system, a transmission system, a brake system, a steering mechanism, and an electrical system. The top of the workover rig is equipped with a crane, the crane is composed of a pedestal, a fast rope wheel, a dead rope wheel, a middle wheel, a fishing wheel, a plurality of hydraulic winch pulleys, a two-tiered table lifting rope pulley and a support board, a tension rope support board, etc. . The workover rig is a large and valuable equipment. Special attention must be paid to observing the operating procedures and safety precautions during the use. When the workover rig is in operation, it is necessary to check the lubricating oil level of the engine, the liquid level in the radiator, and the oil level in the diesel tank. Check whether there is any foreign matter that affects the engine rotation around the engine. After the engine starts, check whether the oil pressure is normal. , And then listen to whether the engine has abnormal noise, whether the engine is generating electricity, pumping air pump is normal, whether it reaches the required temperature. The workover rig is a kind of oil drilling and production equipment. According to various configurations can be divided into the following categories: According to the walking chassis is divided into: vehicle-mounted and self-propelled. In accordance with the power is divided into: single (chassis power source), double hair (on the table with another engine as a source of power), electric (installed on the stage motor), dual power (installed on the engine and motor power source) . According to the type of derrick, it is divided into: single section derrick and double section derrick. According to the function, there are six types of workover rigs: drilling rigs, drilling and repairing machines, desert workover rigs, tidal flat workover rigs, inclined well workover rigs, and blowout workover rigs. According to the structure type, it can be divided into three types: double-drum workover rig, no-rope workover rig and non-pressurizing workover rig. According to the lifting load is divided into: 20t, 30t, 40t, 80t, 100t, 120t, 150t, 180t, 225t different load models. With the development and competition of petroleum and other resources in China, related equipment for oil production is gradually improving both in terms of technology and innovation. There are many manufacturers of workover rigs in China, each with its own characteristics and expertise. The scale of large manufacturers is very large, and many products are also exported. For example: Nanyang No.2 Machine Factory, Jianghan No.4 Machine Factory, Tianjin Dongfangxianke Petroleum Equipment Company, and Tonghua Sihai Petroleum Machinery Co., Ltd. are all suppliers of petroleum and petrochemical products in China. The company has a long history and has a good reputation, production and service capabilities. Living in the national advanced level.
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