XU Guiqin, XIE Shuixiang, REN Wen, ZHANG Mingdong, PAN Lifang, LIU Guoyu, YUE Changtao, LI Songhui. Green treatment agent for waste polysulfonate drilling fluid solid phase resourceful utilization[J]. Oil Drilling & Production Technology, 2023, 45(6): 683-689. DOI: 10.13639/j.odpt.202308040
Citation: XU Guiqin, XIE Shuixiang, REN Wen, ZHANG Mingdong, PAN Lifang, LIU Guoyu, YUE Changtao, LI Songhui. Green treatment agent for waste polysulfonate drilling fluid solid phase resourceful utilization[J]. Oil Drilling & Production Technology, 2023, 45(6): 683-689. DOI: 10.13639/j.odpt.202308040

Green treatment agent for waste polysulfonate drilling fluid solid phase resourceful utilization

  • With increasingly stringent national environmental protection requirements, the effective disposal of polysulfonate drilling waste has become an urgent issue for oil and gas enterprises. The traditional disposal methods such as curing landfill and preparing building materials have some shortcomings such as potential environmental risks and limited absorptive capacity, while the abundant organic matter in polysulfonate drilling waste remains underutilized. Utilizing greening soil prepared from polysulfonate drilling waste (V204H10) enables resourceful and harmless treatment of V204H10. By employing the response surface method, we obtained the optimal formulation of the improver with a mass ratio of 4.00∶1.80∶0.15∶0.15∶1.00∶3.00 for biomass activated carbon, sodium humate, compound biological fertilizer, fish bone meal, citric acid, and bionic curing agent, respectively. The soil germination index of JH-greening soil prepared using this amendment was significantly higher than that of V204H10. Moreover, COD, pH, organic matter content, and total petroleum hydrocarbon concentrations in JH-greening soil all complied with relevant national standards, while the heavy metal content in the leaching solution met GB/T 14848—2017 Groundwater Quality criteria. This technology introduces a novel approach to the harmless disposal of polysulfonate drilling waste and enhances their comprehensive resource utilization rate.
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