Preparation and Hydrogelling Performances of a New Drilling Fluid Filtrate Reducer from Plant Press Slag

Long, Wenjun; Zhu, Xialei; Zhou, Fengshan; Zhang, Yan; Evelina, Amutenya; Liu, Jinliang; Wei, Zhongjin; Ma, Liang

doi:10.3390/gels8040201

Cited by 17 publications

(15 citation statements)

References 60 publications

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“…The natural macromolecular polymers selected were xanthan gum (XC) [ 30 ], natural modified polymer (P-H) and vegetable gum (MVG). MVG is a polymeric material containing a polysaccharide such as galactomannose as the main component, which is extracted from the roots, stems and leaves of woody plants or herbs [ 31 ].…”

Section: Resultsmentioning

confidence: 99%

Gel Stability of Calcium Bentonite Suspension in Brine and Its Application in Water-Based Drilling Fluids

Zhang

Chen

Zhou

et al. 2022

Gels

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With the development of the oil industry and the increasingly complex drilling environment, the performance of drilling fluids has to be constantly improved. In order to solve the problem of bentonite dispersion and hydration in a saline medium, a drilling fluid additive with good performance and acceptable cost was sought. The effects of several water-soluble polymers, such as cellulose polymers, synthetic polymers and natural polymers, on the rheology and gel suspension stability of calcium-based bentonite were compared in this study. Among the examined polymers, the xanthan gum biopolymer (XC) was the least negatively affected in the saline medium used. However, its high price limits its industrial application in oil and gas drilling fluids. In this study, a salt-tolerant polymer, modified plant gum (MVG), was prepared by a cross-linking modification of a natural plant gum, which is abundant and cheap. Then, a salt-tolerant polymer mixture called SNV was prepared, composed of the salt-resistant natural polymer MVG and the biopolymer XC. The salt tolerance and pulping ability of SNV and common water-soluble polymers were evaluated and compared. We then selected the most suitable Herschel–Bulkley model to fit the rheological curve of the SNV–bentonite aqueous suspension system. SNV improved the rheological properties of the calcium-based bentonite slurry and the dispersion stability of bentonite. In an SNV concentration of 0.35%, the apparent viscosity (AV) of the base slurry increased from 2 mPa·s to 32 mPa·s., and the low shear reading value at 3 rpm increased from 0 dia to 5 dia. This could greatly improve the viscosity and cutting carrying capacity of the bentonite drilling fluid. The bentonite drilling fluid prepared with SNV could be directly slurried with brine and even seawater; this means that when drilling in ocean, coastal saline water and high-salinity-surface saline water areas, the slurry preparation cost and preparation time can be conveniently reduced.

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Section: Resultsmentioning

confidence: 99%

Gel Stability of Calcium Bentonite Suspension in Brine and Its Application in Water-Based Drilling Fluids

Zhang

Chen

Zhou

et al. 2022

Gels

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“…Hydrogels' exceptional qualities are now the primary reason for their widespread usage in the petroleum sector [20][21][22], agriculture [23], building industry [24,25], hygiene products [26], and materials for controlled release devices [27]. Hydrogels utilized in cementitious materials are usually made of a copolymer of acrylate salt-acrylamide or a cross-linked polymer of acrylate salt [28].…”

Section: Introductionmentioning

confidence: 99%

Improving the Self-Healing of Cementitious Materials with a Hydrogel System

Wang

Habibi²,

Marzouki

et al. 2022

Gels

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Despite cement’s superior performance and inexpensive cost compared to other industrial materials, crack development remains a persistent problem in concrete. Given the comparatively low tensile strength, when cracks emerge, a pathway is created for gas and water to enter the cementitious matrix, resulting in steel reinforcement corrosion which compromises the durability of concrete. Superabsorbent hydrogels have been developed as a novel material for enhancing the characteristics of cementitious materials in which they have been demonstrated to decrease autogenous shrinkage and encourage self-healing. This study will detail the design and application of polyelectrolyte hydrogel particles as internal curing agents in concrete and provide new findings on relevant hydrogel–ion interactions. When hydrogel particles are mixed into concrete, they generate their stored water to fuel the curing reaction that results in less cracking and shrinkage, thereby prolonging the service life of the concrete. The interaction of hydrogels with cementitious materials is addressed in this study; the effect of hydrogels on the characteristics and self-healing of cementitious materials was also studied. Incorporating hydrogel particles into cement decreased mixture shrinkage while increasing the production of particular inorganic phases within the vacuum region formerly supplied by the swollen particle. In addition, considering the control paste, cement pastes containing hydrogels exhibited less autogenous shrinkage. The influence of hydrogels on autogenous shrinkage was found to be chemically dependent; the hydrogel with a delayed desorption rate displayed significantly low shrinkage in cement paste.

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“…Many governments and international agencies are promoting the use of alternative raw materials to decrease pollution and waste. A clear example is the gradual replacement of petroleum compounds with natural products [ 1 , 2 ]. Semi-solid lubricants such as greases are generally highly structured colloidal dispersions that possess a two-phase structure consisting of a thickener agent (traditionally metallic soaps or synthetic polymers) and a fluid oil lubricant (generally mineral or synthetic oils).…”

Section: Introductionmentioning

confidence: 99%

Impact of Vegetable Oil Type on the Rheological and Tribological Behavior of Montmorillonite-Based Oleogels

Martín-Alfonso

Rubio‐Valle

Hinestroza

et al. 2022

Gels

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We formulated and characterized oleogels based on montmorillonite clay and vegetable oils that could serve as eco-friendly semi-solid lubricants. In particular, we studied the influence of the physical-chemical properties of olive, castor, soybean, linseed, and sunflower oils on the rheological, chemical, thermal, and tribological properties of the semi-solid lubricants. We prepared the oleogels via the highly intensive mixing of vegetable oils with clay at a concentration of 30 wt.%. The oleogels exhibited shear-thinning, thixotropy, structural recovery, and gel-like behavior commonly related to that of a three-dimensional network. The results were corroborated via XRD measurements showing the presence of intercalated nanoclay structures well-dispersed in the vegetable oil. Empirical correlations between the content of saturated (SFAs), unsaturated (UFAs), mono-unsaturated (MUFAs) and poly-unsaturated (PUFAs) fatty acids and the plateau modulus of the aerogels were found. From these experimental results, we can conclude that the fatty acid profile of the vegetable oils exerts an important influence on the rheological and tribological properties of resulting clay and vegetable oil oleogels.

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Preparation and Hydrogelling Performances of a New Drilling Fluid Filtrate Reducer from Plant Press Slag

Cited by 17 publications

References 60 publications

Gel Stability of Calcium Bentonite Suspension in Brine and Its Application in Water-Based Drilling Fluids

Gel Stability of Calcium Bentonite Suspension in Brine and Its Application in Water-Based Drilling Fluids

Improving the Self-Healing of Cementitious Materials with a Hydrogel System

Impact of Vegetable Oil Type on the Rheological and Tribological Behavior of Montmorillonite-Based Oleogels

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