China Autowashing truck column contains a list of China's Ministry of Industry and Information Technology's well-washing trucks' autos. All 12 categories 33 manufacturers 31 well-washing vehicle brands 295 well-washing vehicle product information, the latest well-washing vehicle announcements, environmental protection bulletins , fuel announcements, exemption announcements, pictures, news, and the most timely information on the prices of well-washing trucks.
Overview The well-washing vehicle is mainly used for cleaning, sand-washing, pressure testing and other operations of the injection well during oil field oil production operations, and is mainly composed of a chassis, a pay frame, a lift box, a three-cylinder plunger pump, an intake manifold, and a discharge manifold. , high pressure elbow box, water tank and other components.
The main technical parameters
Maximum pressure: 35MPa
Plunger diameter: 100mm
Stroke: 160mm
Use In the long-term water injection process, a small amount of mechanical impurities and oil contained in the water accumulate in the stratum near the wellbore, which reduces the water absorption capacity of the stratum, thereby contaminating the water injection well, resulting in increasing water injection pressure year after year, or even blocking the stratum. Affect the production of oil wells. In order to ensure normal water injection and achieve high oil production and stable production, the injection wells must be cleaned regularly.
Under normal circumstances, the well-washing wastewater is returned to the joint station for treatment and then injected back into the formation. However, the injection wells of a single well or a remote small oilfield are relatively dispersed. Generally, no well-washing wastewater recovery pipeline is provided. Usually, the well-washing wastewater is directly discharged into the wastewater pit near the wellsite for natural evaporation and infiltration, or collected by a tanker for centralized treatment. The former has an impact on the soil and vegetation and destroys the surrounding environment, while the latter is expensive to handle.
The use of well-washing vehicles to wash wells can avoid huge investment in pipelines, reduce the impact on the main process of sewage treatment stations, achieve wastewater in the well-washing process, eliminate sewage, improve sewage treatment capacity, save water resources, reduce production costs of wells, and protect the ecological environment. Improve crude oil recovery.
structure Well wash truck structure
Well-washing vehicles are generally assembled on trucks by cyclones, multi-cavity sewage treatment tanks and sewage purification tanks, in which the multi-cavity sewage treatment tank consists of an oil slick, adsorption and coalescence separation chamber, sedimentation chamber, adsorption filter chamber, and purification. Treatment chamber composition.
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