Polymer-laponite composites as filtrate reducer for high temperature and salt resistant drilling fluid: Characterization and performance evaluation

Luo, Yuanhao; Lin, Ling; Luo, Pingya; Li, Xingchun; Ren, Wen; Yi, Tianhai

doi:10.1016/j.colsurfa.2024.133679

Cited by 3 publications

(9 citation statements)

References 46 publications

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“…After the mixture was aged at 240 °C, the interlayer spacing of the base slurry increased to 15.57 Å, indicating that the high temperature enhanced the ability of water molecules to penetrate the bentonite crystal layer and promoted the dispersion of bentonite. However, when the thermal motion is intensified, the probability of collision of bentonite particles is increased, which leads to the increase of the particle size of bentonite . The interlayer spacing of bentonite decreased to 14.35 Å after adding YH-1.…”

Section: Resultsmentioning

confidence: 99%

“…However, when the thermal motion is intensified, the probability of collision of bentonite particles is increased, which leads to the increase of the particle size of bentonite. 15 The interlayer spacing of bentonite decreased to 14.35 Å after adding YH-1. The main reason is that the intercalation and encapsulation of bentonite by YH-1 inhibit the hydration of bentonite.…”

Section: Effect Of Concentration On Filtrationmentioning

confidence: 98%

“…Studies have shown that laponite can enhance the network structure in drilling fluids through hydrogen bonding and electrostatic adsorption. 15 In order to synthesize a fluid loss additive with excellent performance through free radical polymerization, it is necessary to select the appropriate monomer and monomer polymerization ratios and reaction conditions. In recent years, in response to the challenge that polymers tend to degrade under high-temperature conditions, researchers have also tried to introduce nanomaterials into polymer systems to improve the temperature resistance of polymers.…”

Section: Introductionmentioning

confidence: 99%

“…The FL API and FL HTHP of the additive after aging at 220 °C were 7.0 and 28.6 mL, respectively. Studies have shown that laponite can enhance the network structure in drilling fluids through hydrogen bonding and electrostatic adsorption . In order to synthesize a fluid loss additive with excellent performance through free radical polymerization, it is necessary to select the appropriate monomer and monomer polymerization ratios and reaction conditions.…”

Section: Introductionmentioning

confidence: 99%

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Acrylamide-Based Polymer/Laponite Composite as a Filtration Reducer in Water-Based Drilling Fluids

Lin,

Li,

et al. 2024

Energy Fuels

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With deep and ultra-deep drilling engineering, silane coupling agent KH-570 was used to modify the surface of nanolaponite, and acrylamide (AM), 2-acrylamido-2-methylpropanesulfonic acid (AMPS), N-vinylpyrrolidone (NVP), and dimethyldiallylammonium chloride (DMDAAC) were selected as monomers. A new fluid loss agent, YH-1, was synthesized by aqueous solution polymerization, and the copolymer was characterized by infrared spectroscopy, nuclear magnetic resonance hydrogen spectroscopy, TEM, molecular weight analysis, and thermal stability analysis. The results show that the synthesized product is consistent with the molecular structure design goal. The modified nanolaponite was successfully introduced and relatively uniformly distributed in the filtrate reducer, and the molecular weight distribution was wide. After hot rolling at 240 °C for 16 h, it can still maintain good apparent viscosity, plastic viscosity, and dynamic plastic ratio. When the addition amount is 1.5 wt %, the apparent viscosity can still be maintained at 40 mPa•s, and its high-temperature and high-pressure (HTHP) filtration loss is the lowest compared with the domestic and foreign commercial filter loss reducers. Through particle size distribution, scanning electron microscopy, and zeta potential analysis, the surface of the filter cake formed after adding YH-1 was smooth and shiny, and the hydration film of bentonite particles was thicker. The adsorption group is adsorbed on the surface of bentonite particles, and the hydration group ionizes a large number of negatively charged groups, which increases the thickness of the hydration film of the bentonite particles and the potential of the bentonite particles. The addition of nanolaponite enhances the plugging effect of mud cake, improves the impermeability of mud cake, and enhances the filtration performance.

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Section: Resultsmentioning

confidence: 99%

Section: Effect Of Concentration On Filtrationmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Acrylamide-Based Polymer/Laponite Composite as a Filtration Reducer in Water-Based Drilling Fluids

Lin,

Li,

et al. 2024

Energy Fuels

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“…All reagents were of analytical grade and not further purified. According to ref , m-LAP and m-SiO 2 were prepared by modifying LAP and SiO 2 with KH570, respectively.…”

Section: Methodsmentioning

confidence: 99%

Polymer–SiO₂/Laponite Composite as a Filtrate Reducer for High-Temperature and High-Salt Drilling Fluids

Lin,

Luo

2024

ACS Appl. Nano Mater.

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Water-based drilling fluids are prone to contamination by high temperatures and high salt, resulting in a deteriorated filtration performance of the drilling fluids, posing a significant threat to the safety of drilling operations. This study utilized N,N-dimethylacrylamide (DMAA), 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS), dimethyldiallylammonium chloride (DMDAAC), N-vinylpyrrolidone (NVP), and nanomaterials (nano-SiO 2 and nanolaponite) to prepare a polymer nanocomposite NP-3 as a filtratef reducer for drilling fluids. The thermal stability evaluation of the polymer solution revealed that the thermal degradation temperature order of the different structural units of the polymer is DMAA < AMPS ≈ DMDAAC < NVP, and the temperature resistance of NP-3 in the solution is 220 °C. Evaluation of drilling fluid performance demonstrated that 3.5 wt % NP-3 enabled the drilling fluid to resist contamination from 15 wt % NaCl at 230 °C, with an American Petroleum Institute (API) filtration loss and high-temperature and high-pressure (HTHP) filtration loss after hot rolling of 4.2 and 22.0 mL, respectively. At high temperatures, the degradation of the polymer composite releases nanoparticles, which enhance the density of the filter cake, allowing for adjustable and enhanced control of filtration performance of drilling fluids under high-temperature and high-salty conditions.

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Laponite®—From Dispersion to Gel—Structure, Properties, and Applications

Brunchi,

Morariu

2024

Molecules

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Laponite® (LAP) is an intensively studied synthetic clay due to the versatility given by its layered structure, which makes it usable in various applications. This review describes the multifaceted properties and applications of LAP in aqueous dispersions and gel systems. The first sections of the review discuss the LAP structure and the interactions between clay discs in an aqueous medium under different conditions (such as ionic strength, pH, temperature, and the addition of polymers) in order to understand the function of clay in tailoring the properties of the designed material. Additionally, the review explores the aging phenomenon characteristic of LAP aqueous dispersions as well as the development of shake-gels by incorporating LAP. The second part shows the most recent studies on materials containing LAP with possible applicability in the drilling industry, cosmetics or care products industry, and biomedical fields. By elucidating the remarkable versatility and ease of integration of LAP into various matrices, this review underscores its significance as a key ingredient for the creation of next-generation materials with tailored functionalities.

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Polymer-laponite composites as filtrate reducer for high temperature and salt resistant drilling fluid: Characterization and performance evaluation

Cited by 3 publications

References 46 publications

Acrylamide-Based Polymer/Laponite Composite as a Filtration Reducer in Water-Based Drilling Fluids

Acrylamide-Based Polymer/Laponite Composite as a Filtration Reducer in Water-Based Drilling Fluids

Polymer–SiO₂/Laponite Composite as a Filtrate Reducer for High-Temperature and High-Salt Drilling Fluids

Laponite®—From Dispersion to Gel—Structure, Properties, and Applications

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Polymer-laponite composites as filtrate reducer for high temperature and salt resistant drilling fluid: Characterization and performance evaluation

Cited by 3 publications

References 46 publications

Acrylamide-Based Polymer/Laponite Composite as a Filtration Reducer in Water-Based Drilling Fluids

Acrylamide-Based Polymer/Laponite Composite as a Filtration Reducer in Water-Based Drilling Fluids

Polymer–SiO2/Laponite Composite as a Filtrate Reducer for High-Temperature and High-Salt Drilling Fluids

Laponite®—From Dispersion to Gel—Structure, Properties, and Applications

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Polymer–SiO₂/Laponite Composite as a Filtrate Reducer for High-Temperature and High-Salt Drilling Fluids