Imitating the effects of drilling fluid invasion on the strength behaviors of hydrate-bearing sediments: An experimental study

Pei, Jun; Zhang, Boning; Zhao, Jinzhou; Kvamme, Bjørn; Coffin, Richard B.; Li, Haitao; Bai, Ruiling

doi:10.3389/feart.2022.994602

Cited by 6 publications

(3 citation statements)

References 84 publications

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“…M-MMH has a hydrotalcite-like structure. During the formation process, part of the Mg 2+ in brucite is replaced by Al 3+ isomorphs; the crystal structure does not change and a magnesium–aluminum hydroxide octahedral structure layer is formed, which is hydrotalcite-like and comprises a crystal layer unit of hydrotalcite [ 30 ]. Hydrotalcite is a kind of one-sided, brucite-like, surface-overlapping structure, as shown in Figure 13 .…”

Section: Resultsmentioning

confidence: 99%

Multi-Mixed Metal Hydroxide as a Strong Stratigraphic Nanoclay Inhibitor in Solid-Free Drilling Fluid

Zhang

Wang

et al. 2022

Nanomaterials

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Solid-free drilling fluid has more advantages as a new type of drilling fluid compared with traditional drilling fluid, such as improving drilling efficiency, protecting oil and not having clay particles clog the oil and gas layer. In this study, Zn/Cu/Fe-doped magnesium–aluminum hydroxide (Mg-Al MMH) was prepared using the co-precipitation method and evaluated in solid-free drilling fluid. The inhibition mechanism of synthesized hydroxide was analyzed by X-ray diffraction, laser particle-size analysis and thermogravimetric analysis. The samples were directly used as drilling fluid base muds for performance evaluation. The results showed that the linear expansion rate of 4% M6-Fe was only 12.32% at room temperature within 2 h, that the linear expansion rate was 20.28% at 90 °C and that the anti-swelling rate was 81.16% at room temperature, indicating that it has a strong inhibition ability at both room temperature and at high temperatures. Meanwhile, the possibility of multi-mixed metal hydroxide as a drilling fluid base mud is discussed in this study. We found that 4% M6-Fe exhibited low viscosity, a high YP/PV ratio and high temperature resistance, and its apparent viscosity retention rate reached 100% rolled at 200 °C for 16 h, with a YP/PV ratio of 2.33.

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Section: Resultsmentioning

confidence: 99%

Multi-Mixed Metal Hydroxide as a Strong Stratigraphic Nanoclay Inhibitor in Solid-Free Drilling Fluid

Zhang

Wang

et al. 2022

Nanomaterials

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“…Effects of hydrate formation, stress states, temperature, sediment type, particle arrangement, as well as shear rate on strength parameters and deformation were analyzed in many works (Lijith et al, 2019;Ding et al, 2022;Zeng et al, 2023). However, studies on heterogeneous formation and its failure mechanisms are still at their infant stage, which limits the geological risk prediction and control (Dong et al, 2019;Pei et al, 2022). Besides, the mechanical characteristics of HBS under special conditions differ from the laboratory conditions, which needs further studies by considering the practical engineering effects, such as wellbore instability during drilling hydrate and hydraulic fracturing in hydrate reservoirs (McConnell et al, 2012;Zhang et al, 2021;Pratama et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

Geomechanical properties of hydrate-bearing strata and their applications

Dong,

Liu,

Gong

et al. 2024

Adv. Geo-Energy Res.

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Natural gas hydrate is an alternative potential energy source that contributes to depressurizing the pressure of energy supply and environmental pollution in the future. Field hydrate production has a close association with geological risks. In this regard, accurate estimation of strength and deformation properties is crucial to risk prevention and control during hydrate development. However, the geomechanical properties of hydratebearing sediments and their applications remain unclear. Herein, this work provides a comprehensive summary of studies on the mechanical characteristics of hydrate-bearing sediments and their applications in field trials. It starts with the main research methods, including laboratory tests, constitutive modeling, and numerical simulations, followed by the effects of clay content, hydrate distribution, and morphology on mechanical properties. Besides, typical applications of geomechanical parameters are examined and discussed. Finally, the challenges and perspectives of mechanical studies on hydrate-bearing sediments are presented, which is favorable for the evaluation and control of geological risks during hydrate exploration and development.

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“…Wei et al (2022a) and Wu et al (2022) conceive structure and parameter group optimization proposals to economically extract gas from hydrate reservoirs. Wei et al (2022b) and Pei et al (2022) summarize recent progresses on the drilling techniques on hydrate-bearing sediments and reveal geotechnical behaviors when drilling fluid invading associated layers through experimental studies.…”

mentioning

confidence: 99%

Editorial: Gas hydrate appearance, accumulation, exploration and exploitation in continental margins

Guan²,

Wan³

et al. 2023

Front. Earth Sci.

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Editorial on the Research Topic Gas hydrate appearance, accumulation, exploration and exploitation in continental margins Gas hydrate (GH) is so fascinating whether in exploring natural principle of geological evolution or for pursuing economic benefits of human sustainable development. GH plays an essential role in global carbon cycle and climate change. Two prominent events, the Paleocene-Eocene thermal maximum (PETM) and the three submarine Storegga Slides off Norway's continental shelf, are typical consequences subjected to GH dissociation with scales from global continental to local shelf (Paull et al., 2007;Ruppel and Kessler, 2017). Spanning from cold Alaska and Siberia permafrost zones, to busy merchant nautical routes in warm seas, like the north South China Sea (SCS), Nankai Trough, northeast India Ocean, and northern Gulf of Mexico, many governments and petroleum companies pay great interests on utilizing the huge resource potential of GHs.Our Research Topic is divided into two format-separate and content-coherent volumes, aims to deepen theoretical cognition and broaden technological applications on the exploration and exploitation of GH-bearing sediments, including the appearance, accumulation, and abundance. A total of 30 research papers and abstracts publishing in this topic present exciting and distinguishing detections and conceptions on understanding the properties of GHs.General natural principles of geology, geochemistry and geophysics are extensively adopted to explore GH-related system in fields. Ai et al. (2022), Feng C. et al., Feng J. et al. (2022), and Kong et al. (2022 focus on the records of methanogenesis and anaerobic oxidation of methane in shallow sediments and investigate related methane seepage activities in northern SCS. ), Liu et al., Song et al. and Xing et al. (2022 use in-situ seismic and logging data and drilling cores to investigate the existence and characteristics of GH in sediments. In addition, many authors theoretically evaluate the influence of sedimentary geological structure on the accumulation of free gases and hydrates (

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Imitating the effects of drilling fluid invasion on the strength behaviors of hydrate-bearing sediments: An experimental study

Cited by 6 publications

References 84 publications

Multi-Mixed Metal Hydroxide as a Strong Stratigraphic Nanoclay Inhibitor in Solid-Free Drilling Fluid

Multi-Mixed Metal Hydroxide as a Strong Stratigraphic Nanoclay Inhibitor in Solid-Free Drilling Fluid

Geomechanical properties of hydrate-bearing strata and their applications

Editorial: Gas hydrate appearance, accumulation, exploration and exploitation in continental margins

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