An Inhibition Properties Comparison of Potassium Chloride and Polyoxypropylene Diamine in Water-based Drilling Fluid

Zhong, Hanyi; Qiu, Zhengsong; Huang, Weian; Cao, Jie; Wang, F. W.; Zhang, X. B.

doi:10.1080/10916466.2011.561265

Cited by 14 publications

(4 citation statements)

References 8 publications

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“…The increase in fluid loss depicts the suppressing of bentonite swelling by the tested surfactants as they impede the bentonite hydration by reducing its water affinity. Similar phenomena were observed in applications of other inhibitors in clay-based drilling fluids [ 49 , 77 ].…”

Section: Resultssupporting

confidence: 78%

“…The filtrate loss volume of less than 15 mL is considered favorable for a smooth drilling operation. However, the addition of shale inhibitors in the bentonite-based drilling mud slightly increased the amount of filtrate loss described by API standards [ 77 ]. Therefore, the formulations having gemini surfactants show a higher fluid loss and filter cake thickness.…”

Section: Resultsmentioning

confidence: 99%

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Evaluation of Clay Hydration and Swelling Inhibition Using Quaternary Ammonium Dicationic Surfactant with Phenyl Linker

et al. 2020

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Water-based drilling fluids are extensively used for drilling oil and gas wells. However, water-based muds cause clay swelling, which severely affects the stability of wellbore. Due to two adsorption positions, it is expected that cationic gemini surfactants can reduce the clay swelling. In this work, quaternary ammonium dicationic gemini surfactants containing phenyl linkers and different counterions (Cl− and Br−) were synthesized, and the effect of variation in counterions on swelling and hydration properties of shales was studied. Numerous water-based drilling fluid formulations were prepared with different concentrations of surfactants to study the swelling inhibition capacity of surfactants. The performance of surfactant-containing drilling muds was evaluated by comparing them with base drilling mud, and sodium silicate drilling mud. Various experimental techniques were employed to study drilling mud characteristics such as rheology and filtration. The inhibition properties of drilling mud formulations were determined by linear swelling experiment, capillary suction time test, particle size distribution measurement, wettability measurements, and X-ray Diffraction (XRD). Experimental results showed that surfactant-based formulation containing bromide counterion exhibited superior rheological properties as compared to other investigated formulations. The filtration test showed that the gemini surfactant with chloride counterion had higher filtrate loss compared to all other formulations. The bentonite swelling was significantly reduced with increasing the concentration of dicationic surfactants as inhibitors, and maximum reduction in the linear swelling rate was observed by using a formulation containing surfactant with chloride counterion. The lowest capillary suction timer (CST) was obtained in the formulation containing surfactant with chloride counterion as less CST indicated the enhanced inhibition capacity. The particle size measurement showed that average bentonite particle size increased upon the addition of surfactants depicting the inhibition capacity. The increase in basal spacing obtained from XRD analysis showed the intercalation of gemini surfactants in interlayers of bentonite. The contact angle measurements were performed to study the wettability of the bentonite film surface, and the results showed that hydrophobicity increased by incorporating the surfactants to the drilling fluid.

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Section: Resultssupporting

confidence: 78%

Section: Resultsmentioning

confidence: 99%

Evaluation of Clay Hydration and Swelling Inhibition Using Quaternary Ammonium Dicationic Surfactant with Phenyl Linker

et al. 2020

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“…There are various inhibitors, including amines, acrylamides, imines, glycerol, glycols, silicates, and biomolecules, generally used in shale operations. Potassium salts are widely used and are one of the earliest shale inhibitors used in the industry . The swelling of the clay minerals is restricted due to ion exchange between the inhibitor and the existing clay minerals.…”

Section: Introductionmentioning

confidence: 99%

“…Potassium salts are widely used and are one of the earliest shale inhibitors used in the industry. 16 The swelling of the clay minerals is restricted due to ion exchange between the inhibitor and the existing clay minerals. The potassium salts and polymers were combined to reduce the salt concentrations in water-based mud and consequently exhibited better inhibition properties than pure potassium chloride (KCl).…”

Section: Introductionmentioning

confidence: 99%

Investigation of Filtration and Shale Inhibition Characteristics of Chitosan-N-(2-hydroxyl)-propyl trimethylammonium Chloride as Drilling Fluid Additives

Doley,

Mahto,

Rajak

et al. 2024

ACS Omega

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Hydrated shale formations often lead to severe drilling problems and may lead to wellbore instability. These instabilities can result in issues such as bit balling, borehole collapse, formation damage, stuck pipe, and low drilling rates. Keeping these fundamental issues with drilling in shale formation in mind, this study is aimed at designing a water-based drilling fluid system for effective shale inhibition, ensuring enhanced wellbore stability and drilling efficiency. The designed mud system comprises a typical base fluid along with newly synthesized chitosan derivative chitosan-N-(2-hydroxyl)-propyl trimethylammonium chloride (HACC) as an additive. This additive was found to be soluble in water and conducive for shale inhibition. The derived product was characterized by field emission scanning electron microscopy, thermogravimetric analysis, and Fourier-transform infrared spectroscopy (FTIR). Various drilling fluid tests, including filtration and rheological experiments, were conducted to evaluate its proficiency as a drilling mud additive. The results showed improvement in rheological and filtration properties after hot rolling at 100 °C in comparison to a conventional shale inhibitor, polyethylenimine. As we increase the concentration of synthesized chitosan derivative from 0.3 to 1.5 w/v%, the filtration loss is reduced from 40% to 65% as compared to the base fluids. Shale recovery tests were also conducted using shale samples from an Indian field to assess its viability for field application. The addition of 0.3 to 1.5 w/ v% chitosan derivative resulted in high shale recovery above 88% to 96% at 100 °C compared to polyethylenimine, which showed a change in recovery from 62% to 73%. HACC intercalates into clay platelets, reducing the interlayer spacing between particles and preventing clay from hydrating and swelling. This mechanism of inhibition is evaluated by X-ray diffraction, FTIR, and zeta potential analysis. This bolsters the hypothesis of using the synthesized chitosan derivative as a shale inhibitor.

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Synthesis and properties of a novel ionic liquid copolymer shale inhibitor

Bai,

Chen,

et al. 2023

J of Applied Polymer Sci

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As oil reserves in shallow wells continue to deplete, the drilling industry must shift its focus toward extracting oil from deeper and more complex formations. Water‐based drilling fluid inhibitors are currently limited in their ability to withstand high temperatures. In the current work, for the first time, the application of 1‐vinyl‐3‐ethylimidazolium bromide salt‐allyl alcohol polyoxyethylene ether‐2‐acrylamide‐2‐methylpropanesulfonic acid (PIAA) as the shale inhibitor is reported. The incorporation of ionic liquids has made PIAA promising to be an effective shale inhibitor for high‐temperature‐tolerant water‐based drilling fluids. The high‐temperature resistance (300°C) of PIAA was verified through thermogravimetric test. Through mud ball, shale rolling recovery, and linear swelling experiments, we found that PIAA yielded the lowest swelling rate (27.3%) in the 24‐h linear swelling rate test, as compared to HMA‐15 (46.1%) and FA‐367 (31.2%). This confirmed the superior corrosion inhibition performance of PIAA. In addition, we investigated the inhibition mechanism using Zeta potential and other tests. Bentonite inhibition can be achieved through the coating of bentonite particles by PIAA, which effectively plugs shale pores, neutralizes negative charges on the surface of bentonite particles, and adsorbs them onto particle surfaces. Overall, PIAA has excellent high‐temperature resistance and inhibition properties.

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An Inhibition Properties Comparison of Potassium Chloride and Polyoxypropylene Diamine in Water-based Drilling Fluid

Cited by 14 publications

References 8 publications

Evaluation of Clay Hydration and Swelling Inhibition Using Quaternary Ammonium Dicationic Surfactant with Phenyl Linker

Evaluation of Clay Hydration and Swelling Inhibition Using Quaternary Ammonium Dicationic Surfactant with Phenyl Linker

Investigation of Filtration and Shale Inhibition Characteristics of Chitosan-N-(2-hydroxyl)-propyl trimethylammonium Chloride as Drilling Fluid Additives

Synthesis and properties of a novel ionic liquid copolymer shale inhibitor

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