Experimental study on oil based mudcake removal and enhancement of shear bond strength at cement-formation interface

Lichinga, Kevin Nsolloh; Maagi, Mtaki Thomas; Wang, Qinggui; Hao, Haiyang

doi:10.1016/j.petrol.2019.01.066

Cited by 28 publications

(4 citation statements)

References 7 publications

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“…89 Otherwise, poor filter-cake cleanup may result in pay zone damage, poor cement bond quality and borehole stability, and safety risks. 90 The filter-cake cleanup efficiency of the as-prepared W/O emulsion on a rock sample was found to be less than 22% when the sample is immersed in DI water. However, once the W/O emulsion is inversed to an O/W emulsion, the filter-cake cleanup efficiency is more than 96% over the same time duration.…”

Section: Resultsmentioning

confidence: 99%

“…The filter cakes formed during a drilling procedure should be completely removed prior to the cementing and completion procedure . Otherwise, poor filter-cake cleanup may result in pay zone damage, poor cement bond quality and borehole stability, and safety risks . If a W/O-based drilling fluid can be reversed to an O/W emulsion drilling fluid, the cleanup process or stimulation of the well could potentially be more effective.…”

Section: Resultsmentioning

confidence: 99%

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Phase Inversion of Pickering Emulsions by Electrolyte for Potential Reversible Water-in-Oil Drilling Fluids

Liu

Zhou

et al. 2020

Energy Fuels

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Pickering emulsions show great potential for the petroleum industry, especially those that can realize emulsion inversion in basic conditions. Developing a simple and green approach to control emulsion inversion in basic conditions is highly desirable for harsh conditions and complicated operations. Here we report novel phase inversion of a Pickering emulsion through the controlled wettability of silica nanoparticles (NPs) by N-(2-((2-aminoethyl)amino)ethyl)octadecenamide (C 18 PDA) with Na 2 CO 3 salt addition. A transitional phase inversion from an oil-in-water (O/W) emulsion to a water-in-oil (W/O) emulsion occurs with increasing C 18 PDA surfactant concentration for a given amount of Na 2 CO 3 salt. A subsequent phase inversion from a W/O emulsion to an O/W emulsion then occurs with increasing Na 2 CO 3 salt concentration at a low amount of C 18 PDA surfactant, and demulsification occurs when the Na 2 CO 3 salt concentration is above 94 mM. The stable W/O Pickering emulsions are formed by virtue of adsorption of the C 18 PDA surfactant onto the silica surfaces, which imparts hydrophobicity to the inherently hydrophilic silica NPs and facilitates strong flocculation of the silica particles in the polar solution. However, the hydrophobicity of the silica NPs is reduced by salinity and is suitable for creating O/W emulsions due to the reduced interactions between the NPs and the C 18 PDA surfactant. The possible mechanism for emulsion inversion was investigated by characterizing turbidity, surface tension, contact angle, Fourier transform infrared spectroscopy with thermogravimetric analysis, zeta potentials, etc. The rheological properties of the reversible Pickering emulsion show that there is a smooth transition at the transitional inversion point, which differs from conventional surfactant-stabilized emulsions, in which the viscosity decreases to the minimum at the transitional inversion point. The emulsion phase inversion was also found to be conducive to improving the efficiency of filter-cakes cleanup. We anticipate this smart system to be easily operated and environmentally friendly, making it potentially applicable to real oil fields.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Phase Inversion of Pickering Emulsions by Electrolyte for Potential Reversible Water-in-Oil Drilling Fluids

Liu

Zhou

et al. 2020

Energy Fuels

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“…Many scholars at home and abroad have researched efficient cleaning prelude liquid systems for different kinds of drilling muds. Through the emulsification, chelation, penetration and other effects of specific chemical treatment agents in the system, the mud cake can be removed quickly [20][21][22][23]. However, there are few studies on the application of interface enhancer in the preflush fluid system to further improve the cement strength of the second interfaces.…”

Section: Literatures Reviewmentioning

confidence: 99%

Effect of Composite Interface Enhancer on the Cementation Strength of Shale Formation–Cement Ring Interface

Tian,

Liu,

et al. 2024

Processes

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The cement strength between the cement and the formation is a key factor in determining the cementation sealing capacity. In the shale formation, due to the organic matter content, the cementing quality between the formation and the cement ring is poor, which affects the quality of cementing. It is easy to cause problems such as annulus pressure. To improve the quality of cementing, this paper investigates the effect of amino silane coupling agents, vinyl silane coupling agents and aluminium–zirconate coupling agents on the interface cementation of rock and cement under different conditions. Meanwhile, the effects of different coupling agent compounding on improving the cementation interface cement strength under different temperature and concentration conditions were investigated. This led to the development of a composite interface enhancer. The composite interface enhancer can improve the bond strength between cement and rock by 189.22%. A preflush fluid system was developed to effectively improve the cementation strength of mud shale formations, and its performance was evaluated. The density of the preflush fluid system is 1.15 g·cm−3, and it has good rheology, settlement stability, and filtration loss. In addition, it improves the cementing interface cementing strength between the cement and shale formation.

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“…In the following work (Lichinga, et al, 2019), it was developed for the implementation in laboratory conditions of chemical washing, consisting of a mixture of NaOH and alkylpolyglycoside, which has a low density and viscosity. Said fluid acts as an emulsifier to remove the oil-based crust from the surface of the wellbore.…”

Section: Introductionmentioning

confidence: 99%

On the Issue of Preparing the Wellbore for Its Fastening

Akhundov¹,

Sarbopeeva²,

Bayamirova³

et al. 2023

SGTS

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Бас редактор ЖҰРЫНОВ Мұрат Жұрынұлы, химия ғылымдарының докторы, профессор, ҚР ҰҒА академигі, Қазақстан Республикасы Ұлттық Ғылым академиясының президенті, АҚ «Д.В. Сокольский атындағы отын, катализ және электрохимия институтының» бас директоры (Алматы, Қазақстан) H = 4 Ғылыми хатшы АБСАДЫКОВ Бахыт Нарикбайұлы, техника ғылымдарының докторы, профессор, ҚР ҰҒА жауапты хатшысы, А.Б. Бектұров атындағы химия ғылымдары институты (Алматы, Қазақстан) H = 5 Р е д а к ц и я л ы қ а л қ а: ӘБСАМЕТОВ Мәліс Құдысұлы (бас редактордың орынбасары), геология-минералогия ғылымдарының докторы, профессор, ҚР ҰҒА академигі, «У.М. Ахмедсафина атындағы гидрогеология және геоэкология институтының» директоры (Алматы, Қазақстан) H = 2 ЖОЛТАЕВ Герой Жолтайұлы (бас редактордың орынбасары), геология-минералогия ғылымдарының докторы, профессор, Қ.И. Сатпаев тындағы геология ғылымдары институтының директоры (Алматы, Қазақстан) Н=2 СНОУ Дэниел, Рһ.D, қауымдастырылған профессор, Небраска университетінің Су ғылымдары зертханасының директоры (Небраска штаты, АҚШ) H = 32 ЗЕЛЬТМАН Реймар, Рһ.D, табиғи тарих мұражайының Жер туралы ғылымдар бөлімінде петрология және пайдалы қазбалар кен орындары саласындағы зерттеулердің жетекшісі (Лондон, Англия) H = 37 ПАНФИЛОВ Михаил Борисович, техника ғылымдарының докторы, Нанси университетінің профессоры (Нанси, Франция) Н=15 ШЕН Пин, Рһ.D, Қытай геологиялық қоғамының тау геологиясы комитеті директорының орынбасары, Американдық экономикалық геологтар қауымдастығының мүшесі (Пекин, Қытай) H = 25 ФИШЕР Аксель, Ph.D, Дрезден техникалық университетінің қауымдастырылған профессоры (Дрезден, Берлин) Н = 6 КОНТОРОВИЧ Алексей Эмильевич, геология-минералогия ғылымдарының докторы, профессор, РҒА академигі, А.А. Трофимука атындағы мұнай-газ геологиясы және геофизика институты (Новосибирск, Ресей) H = 19 АГАБЕКОВ Владимир Енокович, химия ғылымдарының докторы, Беларусь ҰҒА академигі, Жаңа материалдар химиясы институтының құрметті директоры (Минск, Беларусь) H = 13 КАТАЛИН Стефан, Рһ.D, Дрезден техникалық университетінің қауымдастырылған профессоры (Дрезден, Берлин) H = 20 СЕЙТМҰРАТОВА Элеонора Юсуповна, геология-минералогия ғылымдарының докторы, профессор, ҚР ҰҒА корреспондент-мүшесі, Қ.И. Сатпаев атындағы Геология ғылымдары институты зертханасының меңгерушісі (Алматы, Қазақстан) Н=11 САҒЫНТАЕВ Жанай, Ph.D, қауымдастырылған профессор, Назарбаев университеті (Нұр-Сұлтан, Қазақстан) H = 11 ФРАТТИНИ Паоло, Рһ.D, Бикокк Милан университеті қауымдастырылған профессоры (Милан, Италия) H = 28 «Известия НАН РК. Серия геологии и технических наук».

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Experimental study on oil based mudcake removal and enhancement of shear bond strength at cement-formation interface

Cited by 28 publications

References 7 publications

Phase Inversion of Pickering Emulsions by Electrolyte for Potential Reversible Water-in-Oil Drilling Fluids

Phase Inversion of Pickering Emulsions by Electrolyte for Potential Reversible Water-in-Oil Drilling Fluids

Effect of Composite Interface Enhancer on the Cementation Strength of Shale Formation–Cement Ring Interface

On the Issue of Preparing the Wellbore for Its Fastening

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