Evaluation of a naturally derived tannin extracts biopolymer additive in drilling muds for high-temperature well applications

Ismail, Abdul Razak; Norddin, M. N. A. Mohd; Latefi, Nur A. S.; Oseh, Jeffrey O.; Ismail, Issham; Gbadamosi, Afeez; Agi, Augustine

doi:10.1007/s13202-019-0717-7

Cited by 19 publications

(8 citation statements)

References 36 publications

(73 reference statements)

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“…For PAC LV, it displayed a negative effect on both the 10 s and 10 min gels, especially the 2.0 g concentration and the difference between these gels exceeds 10 lb/100ft 2 . This could need extra pump pressure to break the gels when changing from non-flow to flow conditions, which in turn can adversely affect pump efficiency and cause fractures in poor formations (Ismail et al 2019). It, therefore, holds that, if higher concentrations of PAC LV are introduced into the complex WBDF system as per this study, it might result in flocculation (Oseh et al 2019c, d).…”

Section: The Rheological Characteristics Of Wbdfs Investigated With Pmentioning

confidence: 81%

Improvement of rheological and filtration characteristics of water-based drilling fluids using naturally derived henna leaf and hibiscus leaf extracts

Ismail

Mohd

Basir

et al. 2020

J Petrol Explor Prod Technol

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Biodegradable additives are required to minimize the environmental hazards from drilling fluid wastes. This study explores the feasibility of the applications of henna leaf extracts (HLE) and hibiscus leaf extracts (HBLE) as ecological benign products in water-based drilling fluids (WBDFs). Rheological and filtration characterizations were carried out on the WBDFs to detect the effects of different concentrations (1, 2, 10, 20, 30, and 40 g) of these plant extracts at 78 and 300 °F. The results of 1 and 2 g of the plant extracts were compared with those of low-viscosity polyanionic cellulose (PAC LV). Compatibility test was carried out using 25 g/L of the green additives on base fluid (A-0), and the swelling rate of sodium bentonite in distilled water was also considered using 1, 10, and 20 g of the green additives. The findings showed that HLE and HBLE significantly reduced the filtrate loss between 62% and 67% and between 64% and 76%, respectively, and improved the rheological characteristics of the WBDF system between 10 and 40 g. PAC LV showed a greater effect on the rheological properties than the green additives in equal amounts (1 and 2 g), but it exhibited flat high and progressive gels which can lead to mechanical pipe sticking. The test data also showed that the inclusion of HLE and HBLE in the WBDF demonstrated larger impact on the mud cake than PAC LV. The cake thickness of the WBDF was reduced in the following order: 30–32% (by HLE), 32–33% (by HBLE), and 24–27% (by PAC LV). This interprets the outstanding filtration characteristics of green additives. Further, compatibility test data confirmed that the green additives are compatible with the other base fluid additives and the swelling behavior of sodium bentonite verified that the green plants are effective in inhibiting bentonite swelling. Here, the Henna extracts displayed higher inhibition property than the Hibiscus product. Notwithstanding, both products showed excellent inhibition property and a strong viscosity enhancing effect on the WBDF system.

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Section: The Rheological Characteristics Of Wbdfs Investigated With Pmentioning

confidence: 81%

Improvement of rheological and filtration characteristics of water-based drilling fluids using naturally derived henna leaf and hibiscus leaf extracts

Ismail

Mohd

Basir

et al. 2020

J Petrol Explor Prod Technol

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“…The newly developed RMTE deflocculant was found to be temperature resistant and stable with high temperatures. Furthermore, Reference [61] studied the extraction of RMTE using various solvents and concluded that water is the safest solvent to use since it is safer and less costly than methanol and yields the most RMTE.…”

Section: Unmodified Tannin-based Deflocculantsmentioning

confidence: 99%

“…Second, the performance of TBD as a deflocculant, with and without thermal ageing treatment, is contrasted with each other by using a commercial deflocculant as a control agent [61]. According to [64], thermal ageing using hot rolling treatments reduces rheological parameters and thermal ageing statically raises the same parameters.…”

Section: High Temperature-tolerance Of Tannin-based Deflocculantsmentioning

confidence: 99%

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Tannin-Based Deflocculants in High Temperature High Pressure Wells: A Comprehensive Review

Fokuo¹,

Aggrey²,

Rockson³

et al. 2021

ACES

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Clay deflocculants that are commonly used in water-based muds under high temperature high pressure (HTHP) oilwell drilling conditions have been found to contain chromium which is toxic. Tannin-based deflocculants are regarded as a more environmentally friendly and suitable alternative to the chrome-based deflocculants. However, tannin-based deflocculants have not been studied extensively and understood completely, and for the past two years, there have not been many active pieces of research in the area. To advance research in the area, there is a need to critically and holistically review research works that have been done so far on tannin-based deflocculants as drilling mud additives to identify research challenges and opportunities. This review paper provides an overview of tannin-based deflocculants used in water-based muds under HTHP drilling conditions, including the various forms, thermal stability, deflocculating ability and environmental acceptance of the deflocculant. The review revealed that under HTHP conditions, modified and unmodified tannin-based deflocculants both deflocculate water muds well and are thermostable. However, only a few studies have been conducted on their usage as deflocculants at temperatures of 150˚C or above. The research gaps identified if pursued could advance the use of tannin-based deflocculants as green substitutes for the conventional chrome-based deflocculants.

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“…In plants the formation of indigestible PAC-protein complexes gives rise to the anti-feeding effect and protects the plants from herbivores [ 7 ]. Industrially, PAC extracts are still widely used in the leather industry [ 8 ], the adhesive industry [ 9 ], as additives to animal feed [ 10 ], the wine industry [ 11 ], as flocculants [ 12 , 13 , 14 ], and as mud-drilling additives [ 13 ]. Pharmacological properties include anti-oxidant activity [ 15 , 16 , 17 ], Alzheimer’s disease inhibition [ 18 ], anti-cancer activity [ 19 , 20 ], anti-diabetic [ 21 , 22 ], anti-microbial [ 23 , 24 ] and anti-cardiovascular diseases [ 25 , 26 ].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Commercial Proanthocyanidins. Part 6: Sulfitation of Flavan-3-Ols Catechin and Epicatechin, and Procyanidin B-3

2020

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Proanthocyanidins (PACs) are natural plant-derived polymers consisting of flavan-3-ol monomers. Quebracho (Schinopsis lorentzii and balansae) heartwood and mimosa (Acacia mearnsii) bark extracts are the major industrial sources of PACs. These commercial extracts are often sulfited to reduce their viscosity and increase their solubility in water. The chemical process of sulfitation is still poorly understood regarding stereochemical influences during the reaction and during the cleavage of the interflavanyl bond of oligomers. To gain a better understanding of sulfitation, two diastereomeric flavan-3-ol monomers were sulfited under industrial conditions, and procyanidin B-3 (catechin-4α→8-catechin) were sulfited to investigate interflavanyl bond cleavage with sulfitation at C-4. Treatment of diastereomeric flavan-3-ols 2R,3S-catechin and 2R,3R-epicatechin with NaHSO3 at 100 °C in aqueous medium afforded the enantiomeric (1R,2S)- and (1S,2R)-1-(3,4-dihydroxyphenyl)-2-hydroxy-3-(2,4,6-trihydroxyphenyl)propane-1-sulfonic acid, respectively. Utilizing computational NMR PD4 calculations it was determined that the direction of stereoselective nucleophilic attack is controlled by the C-3 configuration of the flavan-3-ols catechin and epicatechin. Sulfitation of the catechin-4α→8-catechin dimer 7 (procyanidin B-3) under the same conditions led to the cleavage of the interflavanyl bond yielding the C-4 sulfonic acid substituted catechin momomer. From the heterocyclic ring coupling constants it was determined that nucleophilic attack occurs from the β-face of the dimer leading to the 2,3-trans-3,4-cis isomer as product.

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Evaluation of a naturally derived tannin extracts biopolymer additive in drilling muds for high-temperature well applications

Cited by 19 publications

References 36 publications

Improvement of rheological and filtration characteristics of water-based drilling fluids using naturally derived henna leaf and hibiscus leaf extracts

Improvement of rheological and filtration characteristics of water-based drilling fluids using naturally derived henna leaf and hibiscus leaf extracts

Tannin-Based Deflocculants in High Temperature High Pressure Wells: A Comprehensive Review

Analysis of Commercial Proanthocyanidins. Part 6: Sulfitation of Flavan-3-Ols Catechin and Epicatechin, and Procyanidin B-3

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