Experimental study on the treatment of oil-based drill cutting by pulsed dielectric barrier discharge plasma at atmospheric pressure

Wu, Yongqian; Liu, Ding; Zhang, Cheng; Shao, Tao; Chen, Weijiang

doi:10.1016/j.jclepro.2022.130757

Cited by 16 publications

(1 citation statement)

References 35 publications

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“…Various methods, including landfilling [ 6 ], reinjection [ 7 ], stabilization/solidification [ 8 ], solvent extraction [ 9 ], and chemical cleaning [ 10 ], have been exploited for the treatment of OBDCs. However, these methods have not gained widespread adoption, primarily due to their high cost, low recovery rates, and high requirements for equipment performance.…”

Section: Introductionmentioning

confidence: 99%

Construction of Shale Gas Oil-Based Drilling Cuttings Degrading Bacterial Consortium and Their Degradation Characteristics

Fan,

Gong,

et al. 2024

Microorganisms

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Oil-based drilling cuttings (OBDCs) contain petroleum hydrocarbons with complex compositions and high concentrations, which have highly carcinogenic, teratogenic, and mutagenic properties. In this study, three highly efficient petroleum hydrocarbon-degrading bacteria were screened from OBDCs of different shale gas wells in Chongqing, China, and identified as Rhodococcus sp. and Dietzia sp. Because of their ability to degrade hydrocarbons of various chain lengths, a new method was proposed for degrading petroleum hydrocarbons in shale gas OBDCs by combining different bacterial species. Results showed that the bacterial consortium, consisting of the three strains, exhibited the highest degradation rate for petroleum hydrocarbons, capable of degrading 74.38% of long-chain alkanes and 93.57% of short-chain alkanes, respectively. Moreover, the petroleum hydrocarbon degradation performance of the bacterial consortium in actual OBDCs could reach 90.60% in the optimal conditions, and the degradation kinetic process followed a first-order kinetic model. This study provides a certain technical reserve for the bioremediation of shale gas OBDCs.

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Section: Introductionmentioning

confidence: 99%

Construction of Shale Gas Oil-Based Drilling Cuttings Degrading Bacterial Consortium and Their Degradation Characteristics

Fan,

Gong,

et al. 2024

Microorganisms

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Hydrophobic association copolymer as viscosifier for high‐temperature high‐pressure anti‐sedimentation performance of water‐based drilling fluid

Wang

Qin³

et al. 2022

Polymer Engineering & Sci

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In this study, a new type of amphiphilic copolymer SPXFJ, with amide and sulfonate functional groups, was synthesized via the free radical polymerization method. And the chemical structure and properties of this new polymer were characterized by elemental analysis (EA), X-ray photoelectron spectroscopy (XPS), intrinsic viscosity tests, and thermogravimetric analysis (TGA). The hydrophobic association and thermo-thickening properties of SPXFJ copolymer were investigated through viscometer, contact angle tester, highresolution scanning electron microscope analysis, and X-ray laser static scattering (XLSS) test. The test results indicated that SPXFJ copolymer showed superior amphiphilic properties, especially in the solution condition. Furthermore, a thermo-associative behavior was found in the solution that aged at 180 C. Thus, SPXFJ-based drilling fluid showed a higher temperature resistance. The test results, in both high-temperature aging tests and hightemperature high-pressure (HTHP) downhole simulation tests, showed that the water-based drilling fluid showed excellent anti-sedimentation properties with the use of SPXFJ polymer and can be improved significantly, especially in the high-pressure condition. The water-based drilling fluid of 2.0 g/cm 3 showed no sedimentation of barite powders at 180 C/100 MPa, of which the density deviation just reached approximately 0.06 g/cm 3 .

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Degradation of petroleum pollutants in oil-based drilling cuttings using an Fe2+-based Fenton-like advanced oxidation processes

Chen

Luo

2022

Environ Sci Pollut Res

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Experimental study on the treatment of oil-based drill cutting by pulsed dielectric barrier discharge plasma at atmospheric pressure

Cited by 16 publications

References 35 publications

Construction of Shale Gas Oil-Based Drilling Cuttings Degrading Bacterial Consortium and Their Degradation Characteristics

Construction of Shale Gas Oil-Based Drilling Cuttings Degrading Bacterial Consortium and Their Degradation Characteristics

Hydrophobic association copolymer as viscosifier for high‐temperature high‐pressure anti‐sedimentation performance of water‐based drilling fluid

Degradation of petroleum pollutants in oil-based drilling cuttings using an Fe2+-based Fenton-like advanced oxidation processes

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