Employing Nano-sized Additives as Filtration Control Agent in Water-based Drilling Fluids: Study on Barium Sulfate, Bentonite, Surface-modified Bentonite, Titanium Oxide, and Silicon Oxide

Nooripoor, Vahid; Nazemi, Rasoul; Hashemi, Abdolnabi

doi:10.1080/15567036.2020.1805049

Cited by 10 publications

(3 citation statements)

References 39 publications

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“…However, the filter cake formed by adding the fluid loss additive has a dense structure (as shown in Figure 10), and there are basically no obvious connected holes. According to the analysis, as the negatively charged copolymer molecular chain was wrapped over the surface of cement particles, the long chain structure of the fluid loss additive was deformed under the action of pressure, filling part of the holes and connected channels of filter cake, making it more difficult for free water to pass through mud cake, so as to achieve the purpose of fluid loss [42][43][44][45].…”

Section: Zeta Potential Analysis Of Filter Cakementioning

confidence: 99%

The Development of Anti-Salt Fluid Loss Additive for Cement-Metakaolin Slurry with Semi-Saturated/Saturated Saline Water: The Application of Maleic Anhydride

Li,

Yin,

Zhou

et al. 2024

Processes

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Conventional fluid loss additives have difficultly controlling the water loss of cement–metakaolin slurry with semi-saturated brine cement slurry and limiting it to less than 50 mL (30 min)−1. This paper describes the development of an anti-salt fluid loss additive for metakaolin–cement systems. This study adopted the aqueous solution polymerization method; selected four kinds of monomers, namely 2-Acrylamido-2-methylpropane sulfonic acid (AMPS), N,N-Dimethylacrylamide (DMAA), acrylamide (AM), and methyl acrylate (MA); and performed a single-factor experiment on the proportion of monomer, reaction temperature, initiator dosage, and developed fluid loss additive, which has a high salt tolerance and temperature tolerance. This fluid loss additive can resist salt until saturation, and it can control fluid loss in 24 mL·(30 min)−1 when its dosage is 2%. The fluid loss additive can achieve the effect of fluid loss reduction by increasing the filtrate viscosity, forming a flexible elastic adsorption layer via adsorption, and blocking mud cake pores.

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Section: Zeta Potential Analysis Of Filter Cakementioning

confidence: 99%

The Development of Anti-Salt Fluid Loss Additive for Cement-Metakaolin Slurry with Semi-Saturated/Saturated Saline Water: The Application of Maleic Anhydride

Li,

Yin,

Zhou

et al. 2024

Processes

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“…It flows in from the drill pipe and out in the gap between the drill pipe and the formation, and it has various effects such as carrying rock chips, protecting the well bore, balancing the formation pressure, assisting in breaking rock, etc. [ 14 , 15 ]. Its performance determines the success or failure of drilling.…”

Section: Introductionmentioning

confidence: 99%

A Novel Amphoteric Ion-Modified, Styrene-Based Nano-Microsphere and Its Application in Drilling Fluid

Zhang,

Liu,

Sun

et al. 2023

Materials

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With the gradual depletion of shallow oil and gas, deep oil and gas has become the focus of development. However, deep formations generally face the challenge of high-temperature and high-salinity, and drilling fluid agents are prone to failure, leading to drilling fluid intrusion into the formation that can cause serious drilling accidents such as well bore collapse. For this, a styrene-based nano-microsphere (SSD) modified with amphoteric ions was developed, with a particle size of 228 nm which could resist temperatures up to 200 °C and sodium chloride (NaCl) up to saturation. SSD has significant salt-responsive properties and its aqueous dispersion becomes transparent with increasing salinity. The SSD provided superior plugging performance in solutions containing NaCl, with a core plugging efficiency of 95.2%, and it was significantly better than the anion-modified microspheres. In addition, in drilling fluids under high temperature and high-salinity conditions, the SSD promotes particle gradation of drilling fluids and improves the zeta potential through its own plugging and synergistic effect with clay, which significantly improves the comprehensive performance of drilling fluids, such as stability, rheological performance, and filtration reduction performance. The development of SSD provides a new idea for research of high-temperature and high-salinity-resistant drilling fluid agents.

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“…Among all of the nanofluids, 4 wt % titania-based fluid has minimum spurt loss and fluid loss along with less filter cake permeability. Filtration experiments of nanofluid showed that nanoparticles can be used as filtration control agents for LPLT and HPHT conditions . Acrylamide-based polymers and biopolymers were employed to investigate the shale inhibition mechanism in water-based drilling fluids.…”

Section: Introductionmentioning

confidence: 99%

Influence of Hydrophobically Modified Polymer and Titania Nanoparticles on Shale Hydration and Swelling Properties

et al. 2020

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Drilling fluid additives play a vital role in modifying the drilling fluid properties for the ease of drilling operations in oil and gas wells. In this work, two different drilling fluid additives such as titanium oxide nanoparticles and a hydrophobically modified associative polymer were employed to develop several drilling fluid formulations. Various drilling fluid formulations were made by varying the concentrations of the nanoparticles and polymer to study the rheology, filtration, and shale inhibition properties. Rheological and filtration properties of the drilling fluid formulation were determined to study the performance of drilling fluid formulations. TEM analysis of drilling fluid was carried out to study the interactions and distribution of drilling fluid additives. SEM analysis of shale was performed to investigate the surface texture and distribution of additives on the shale surface. Shale inhibition characteristics were evaluated by performing hot rolling dispersion and linear swelling tests of shale. Experimental results exhibited that the addition of nanoparticles and the polymer enhanced rheological properties and reduced fluid loss. However, the synergistic effect of the nanoparticles and polymer was far more prominent on rheological and filtration properties. TEM analysis of drilling fluid formulations revealed the homogenous distribution additives in the drilling fluids. A SEM analysis of shale surfaces after the hot rolling test disclosed that nanoparticles plugged the micropores and covered the defects in the shale surface. A hot rolling dispersion test showed that the dispersion of shale was reduced by the addition of nanoparticles and the polymer in the drilling fluid formulation. The minimum dispersion and least swelling of shale were observed with the formulation containing both nanoparticles and the polymer. Therefore, based on shale inhibition results, the titania nanoparticles and associative polymer can be used as potential additives for drilling fluids.

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Employing Nano-sized Additives as Filtration Control Agent in Water-based Drilling Fluids: Study on Barium Sulfate, Bentonite, Surface-modified Bentonite, Titanium Oxide, and Silicon Oxide

Cited by 10 publications

References 39 publications

The Development of Anti-Salt Fluid Loss Additive for Cement-Metakaolin Slurry with Semi-Saturated/Saturated Saline Water: The Application of Maleic Anhydride

The Development of Anti-Salt Fluid Loss Additive for Cement-Metakaolin Slurry with Semi-Saturated/Saturated Saline Water: The Application of Maleic Anhydride

A Novel Amphoteric Ion-Modified, Styrene-Based Nano-Microsphere and Its Application in Drilling Fluid

Influence of Hydrophobically Modified Polymer and Titania Nanoparticles on Shale Hydration and Swelling Properties

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