Method for treating mining pit geological environment by utilizing planting soil prepared from solid wastes

Abstract

The invention provides a method for treating a mining pit geological environment by utilizing planting soil prepared from solid wastes. The method comprises the steps of construction measurement, backfilling compaction and site leveling. During mining pit backfilling, in order to effectively utilize the weight of a dump truck, the compaction effect on a filling layer is increased while materials are laid, an advancing method is adopted for backfilling and unloading, the compaction coefficient of backfilling materials is 0.75, and the backfilling materials contain soil obtained by improving water-based drilling waste cuttings. The method provided by the invention realizes reutilization of the solid wastes, pit treatment backfilling of mining pits and planting of backfilled greening soil, makes up the pain point that no place is arranged for stacking the solid wastes in an early stage and the mining pits and pits cannot be used for planting after being backfilled, improves the geologicalenvironment problem caused by mining activities in the area, and improves the production and living environments of nearby residents. Through the treatment on the mining pit geological environment, the city appearance is well improved, and the will of constructing a harmonious society in China is met.

Description

technical field [0001] The invention belongs to the field of solid waste treatment, in particular to the field of reuse of waste cuttings from water-based drilling. Background technique [0002] One of the unfortunate adverse effects of the exploration and development of oil and gas resources is the accumulation of drilling cuttings. Modern drilling operations generate several types of waste ranging from contaminated water streams to material packaging; however, the most significant waste comes from drilling cuttings from the wellbore. Prior to the 1980s, little thought was given to the disposal of cuttings and excess drilling fluid. This waste is discharged into the sea during offshore operations and buried in the ground during onshore drilling operations. It was not until the 1980s and 1990s, as global environmental awareness grew, that the oil and gas industry and its regulators began to understand and appreciate the potential impact of drilling waste on the environment...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the technical problems in the prior art that oily sludge and drilling solid waste from oil and gas fields cannot be treated and cannot be planted after backfilling, the present invention provides a method for treating the geological environment of mining pits using planting soil prepared from solid waste, which will utilize more Solid waste, so that waste can be reused as a resource, at the same time, eliminate or reduce the impact of adverse geological environmental problems, basically restore the original topography and landform landscape, and restore the geological environment of the treatment area to the greatest extent. During the treatment process After the completion of treatment, no new geological environmental problems will be generated and it will be coordinated with the surrounding environment to improve the natural landscape, ensure the safety of local people's lives and properties, and promote local social and economic development. The supply of green soil further creates the social value of the enterprise and has wide applicability in the field of petroleum solid waste treatment

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