Synthesis and mechanism study of temperature-resistant fluid loss reducer for oil well cement

Shen, Yan; Wang, Yongji; Wang, Fuhui; Yang, Shen; Wu, Yanan; Yan, Shengdong

doi:10.1680/jadcr.16.00020

Cited by 15 publications

(2 citation statements)

References 7 publications

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“…And after testing under different water quality conditions, it was found that its water loss effect is not affected by the water quality. Yan et al [116] obtained a novel temperatureresistant copolymers by the free radical copolymerization of AA, AM, SSS, and acrylate poly (ethylene glycol) (APEG) with hydrophilic long chain. The obtained copolymers as filtrate reducer exhibited high ability to control fluid loss.…”

Section: Polymeric Filtrate Reducers From Am-based Copolymersmentioning

confidence: 99%

A Review in Polymers for Fluid Loss Control in Drilling Operations

Li,

Gao,

Zhang

et al. 2024

Macro Chemistry & Physics

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The ever‐increasing consumption of fossil energy highlights the urgent need to develop technologies to ensure the efficient drilling and exploration of oil and gas resources mainly distributed in deep and ultra‐deep layers. The complex geological conditions in deep formations with the feature of high temperature, high pressure and high salinity result in some very high requirements for the performance of drilling fluids. Various additives were demonstrated to decide the physicochemical properties and functional characteristics of water‐based drilling fluids that have been widely used to drill over 80% of wells. As one of the most crucial and most widely used additives in water‐based drilling fluids, various polymeric filtrate reducers play an important role in minimizing fluid loss, maintaining wellbore stability, ensuring drilling safety and efficiency as well as avoiding formation damage. Herein we comprehensively summarized the design, preparation and applications of polymer‐based filtrate reducers for fluid loss control in drilling operation. The spotlight is centered on the design strategies and structure‐property‐performance relationships of polymeric filtrate reducers to minimize fluid loss under high temperature, high pressure, and high salinity conditions in the deep formation. Future perspectives for achieving excellent comprehensive performance are also discussed to motivate new strategies and technologies to design and develop high‐performance water‐based drilling fluids with optimal rheological and filtration properties.This article is protected by copyright. All rights reserved

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Section: Polymeric Filtrate Reducers From Am-based Copolymersmentioning

confidence: 99%

A Review in Polymers for Fluid Loss Control in Drilling Operations

Li,

Gao,

Zhang

et al. 2024

Macro Chemistry & Physics

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“…The Tarim Oilfield reservoirs generally have a large burial depth and well-developed salt formations, which pose significant challenges for water-based drilling fluids in terms of both prolonged hightemperature exposure and high salinity environments [1][2][3][4][5]. To enhance the temperature and salt resistance properties of filtration control agents, two main traditional approaches have been employed [6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Preparation and Application of Environmentally-Friendly Copolymer Filtration Control Agent Based on Hydrogen Bonding

Wu,

Zhang,

et al. 2024

J. Phys.: Conf. Ser.

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Traditional water-based drilling fluids encounter challenges in terms of poor solubility in high-density water-based drilling fluids and difficulty in meeting biotoxicity standards when using heat-resistant polymers as filtration control agents. To address this issue, this study introduces MIL-100 (Fe)-NH2 type MOF due to its excellent catalytic activity, which activates industrial-grade large-sized lignosulfonate sodium. The particle size of lignosulfonate sodium is reduced from micrometer to nanometer scale, significantly enhancing its reactivity in polymerization reactions. The activated lignosulfonate sodium is then used as a raw material and reacted with acrylamide, 2-acrylamido-2-methylpropane sulfonic acid, and catechol to produce a novel polymer filtration control agent named PTASL. Biotoxicity tests demonstrate that both pre-aged and post-aged PTASL exhibit EC50 values exceeding 30,000 mg/L, indicating that they are environmentally friendly polymers with no biotoxic effects.

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Synthesis and characterization of SSS/HAM/AA terpolymer as a fluid loss additive for oil well cement

Zhang

2018

J of Applied Polymer Sci

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A terpolymer comprising of sodium styrene sulfonate (SSS), n-methylol acrylamide (HAM), and acrylic acid (AA) was synthesized by aqueous free radical copolymerization and evaluated as fluid loss additive (FLA) in oil well cement. In this article, HAM is first introduced in the preparation of FLA as an environment-friendly monomer, which effectively improves the adhesion and fluid loss control of the terpolymer. The experimental synthesis conditions were optimized by orthogonal experiments. The molecule weight of the terpolymer was determined by gel permeation chromatography. The molecule structure of the synthesized terpolymer was verified by Xray photoelectron spectroscopy and Fourier transformer infrared spectrum. The thermal stability of the synthesized terpolymer was tested by thermogravimetry (TG). The structure of the terpolymer aqueous solution was observed by scanning electron microscope. The results show that SSS/HAM/AA has an excellent thermal resistant. The thermal degradation is not obvious before 295.2 8C. Furthermore, the microstructure of SSS/HAM/AA in water conducive to good fluid loss control ability. When the dosage of SSS/HAM/AA is up to 2.0% in fresh water cement slurry, the filtration loss [FL (HTHP) ] can be controlled within 50 mL at 90-150 8C. SSS/HAM/AA has an excellent property of reducing filtration loss.

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Synthesis and mechanism study of temperature-resistant fluid loss reducer for oil well cement

Cited by 15 publications

References 7 publications

A Review in Polymers for Fluid Loss Control in Drilling Operations

A Review in Polymers for Fluid Loss Control in Drilling Operations

Preparation and Application of Environmentally-Friendly Copolymer Filtration Control Agent Based on Hydrogen Bonding

Synthesis and characterization of SSS/HAM/AA terpolymer as a fluid loss additive for oil well cement

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