Advanced developments in environmentally friendly lubricants for water-based drilling fluid: a review

Zhang, Xiangyang; Li, Daqi; Zhu, Heming; Ma, Jun; An, Yuxiu

doi:10.1039/d2ra03888a

Cited by 39 publications

(11 citation statements)

References 64 publications

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“…They impart lubricating properties into two moving surface contacts under extreme temperature and pressure conditions [ 84 ]. Generally, the friction coefficient of oil-based drilling fluid is about 0.08, while that of water-based drilling fluid is more than 0.2, which is much higher than that of oil-based drilling fluid [ 85 ].…”

Section: Application Of Elastomer In Drilling Fluidsmentioning

confidence: 99%

Research Progress of Elastomer Materials and Application of Elastomers in Drilling Fluid

Yang

Jiang

2023

Polymers

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An elastomer is a material that undergoes large deformation under force and quickly recovers its approximate initial shape and size after withdrawing the external force. Furthermore, an elastomer can heal itself and increase volume when in contact with certain liquids. They have been widely used as sealing elements and packers in different oil drilling and development operations. With the development of drilling fluids, elastomer materials have also been gradually used as drilling fluid additives in drilling engineering practices. According to the material type classification, elastomer materials can be divided into polyurethane elastomer, epoxy elastomer, nanocomposite elastomer, rubber elastomer, etc. According to the function classification, elastomers can be divided into self-healing elastomers, expansion elastomers, etc. This paper systematically introduces the research progress of elastomer materials based on material type classification and functional classification. Combined with the requirements for drilling fluid additives in drilling fluid application practice, the application prospects of elastomer materials in drilling fluid plugging, fluid loss reduction, and lubrication are discussed. Oil-absorbing expansion and water-absorbing expansion elastomer materials, such as polyurethane, can be used as lost circulation materials, and enter the downhole to absorb water or absorb oil to expand, forming an overall high-strength elastomer to plug the leakage channel. When graphene/nano-composite material is used as a fluid loss additive, flexibility and elasticity facilitate the elastomer particles to enter the pores of the filter cake under the action of differential pressure, block a part of the larger pores, and thus, reduce the water loss, while it would not greatly change the rheology of drilling fluid. As a lubricating material, elastic graphite can form a protective film on the borehole wall, smooth the borehole wall, behaving like a scaly film, so that the sliding friction between the metal surface of the drill pipe and the casing becomes the sliding friction between the graphite flakes, thereby reducing the friction of the drilling fluid. Self-healing elastomers can be healed after being damaged by external forces, making drilling fluid technology more intelligent. The research and application of elastomer materials in the field of drilling fluid will promote the ability of drilling fluid to cope with complex formation changes, which is of great significance in the engineering development of oil and gas wells.

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Section: Application Of Elastomer In Drilling Fluidsmentioning

confidence: 99%

Research Progress of Elastomer Materials and Application of Elastomers in Drilling Fluid

Yang

Jiang

2023

Polymers

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“…The reasonable particle size distribution was conducive to plugging pores, in which the large sized particles play a key bridging role, whereas smaller sized particles enter into the internal voids and ll the pores between the large particles without percolation. [61][62][63] It is reasonable that SA is able to maintain a wide particle size distribution, which effectively prevents water from penetrating pores in the formation and improves the integrity of the borehole.…”

Section: Mechanism Analysis Of Ltrationmentioning

confidence: 99%

Sodium alginate as an eco-friendly rheology modifier and salt-tolerant fluid loss additive in water-based drilling fluids

et al. 2022

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“…[15,16] To resolve the above problems and achieve better performance of water-based drilling fluids during drilling operations, some additives have been widely employed to change the physicochemical properties and improve the applicable properties of waterbased drilling fluids. [8][9][10][11][12][13][14][15][16][17][18][19][20][21] According to the functions of additives and the requirements of drilling formation, the additives for drilling fluid can be classified into several categories, including filtrate reducers, shale control inhibitors, surface-active agents, lost circulation materials, emulsifiers, foaming agents, defoamers, calcium reducers, corrosion inhibitors, pH-control additives, bactericides, temperature stability agents, viscosity modifier, alkalinity, pipe-freeing agents, lubricants, flocculants, dispersants, thinners and weighting materials. Among these additives, the filtrate reducers, also called as filtration reducers, fluid loss controllers and fluid loss control agents, are the largest amounts of additives in water-based drilling fluids.…”

Section: Introductionmentioning

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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Advanced developments in environmentally friendly lubricants for water-based drilling fluid: a review

Abstract: A comprehensive review of the research on water-based drilling fluid lubricants in recent years was carried out, and its types, evaluation methods, and action mechanisms are summarized in detail.

Cited by 39 publications

References 64 publications

Research Progress of Elastomer Materials and Application of Elastomers in Drilling Fluid

Research Progress of Elastomer Materials and Application of Elastomers in Drilling Fluid

Sodium alginate as an eco-friendly rheology modifier and salt-tolerant fluid loss additive in water-based drilling fluids

A Review in Polymers for Fluid Loss Control in Drilling Operations

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