Dynamic and Static Filtrate-Loss Techniques for Monitoring Filter-Cake Quality Improves Drilling-Fluid Performance

Chesser, B.G.; Clark, David E.; Wise, W.V.

doi:10.2118/20439-pa

Cited by 20 publications

(9 citation statements)

References 4 publications

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“…The appropriate selection of the primary bridging agent will permit the particles to efficiently plug the smaller pores and eventually the other particles in the drilling fluid can be trapped forming a low-permeable seal that reduces the filtrate invasion into the formation. [14].…”

Section: General Consideration Of Filtration In Drilling Fluidsmentioning

confidence: 99%

“…The thinner the filter-cake the less volume of filtrate that invades the formation. Nevertheless, there are some factors that affect both, the build-up of the filter-cake and the filtrate invasion [14,15]. Some of these factors are: time and temperature, differential pressure, compressibility of the filter cake, permeability of the filter-cake, viscosity of drilling fluid and filtrate, solids composition and percentage, and particle size distribution.…”

Section: General Consideration Of Filtration In Drilling Fluidsmentioning

confidence: 99%

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Effect of Microbes on Drilling Fluid Formulation

Jacob¹,

Frank²,

Ebube³

et al. 2021

IJAERS

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Microorganisms square measure thought of to have an effect on the properties of drilling fluids. This work self-addressed the subsequent sections: the character of Micro-organisms, microbic Mechanisms that have an effect on Drilling Fluids, Implications of microbic Contamination and Identification. This work focuses on the likelihood of utilization of microbes as basic material for lubricant. This analysis assess by means that of straightforward however relevant laboratory, the properties of the microbes cultivated from banana skin within the micro-biological laboratory and compared with commonplace drilling fluid. The results were analyzed exploitation applied mathematics and graphical ways. Water based drilling muds were developed with the microbes and characterised to work out the properties like density, rheology and pH within the laboratory and compared with those of the standard laboratory mud. Results showed enhancements in sure properties, but it verified unsuitable in different properties in comparison to straightforward drilling fluid. I.

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Section: General Consideration Of Filtration In Drilling Fluidsmentioning

confidence: 99%

Section: General Consideration Of Filtration In Drilling Fluidsmentioning

confidence: 99%

Effect of Microbes on Drilling Fluid Formulation

Jacob¹,

Frank²,

Ebube³

et al. 2021

IJAERS

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“…Os principais fatores que determinam o dano nas formações dos poros devido à invasão de sólidos são: distribuição do tamanho de partícula, permeabilidade da rocha, distribuição de tamanho dos poros, concentração de sólidos do fluido de perfuração, taxa de circulação de fluido de perfuração e o comportamento reologico (Chesser, et al, 1994).…”

Section: Efeitos Da Distribuição Da Partículaunclassified

Estudo Do Efeito De Material Particulado Na Formação Da Torta De Filtração E Na Invasão De Filtrado

Ferraz¹,

Nogueira²,

Calçada

et al. 2015

Anais Do XX Congresso Brasileiro De Engenharia Química

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calcada@ufrrj.br RESUMO: Partículas sólidas são usadas como adensante e material obturante na formulação de fluidos de perfuração. As características físico-químicas destes materiais têm forte influência na formação da torta e consequentemente na taxa de filtração e invasão de filtrado nas formações rochosas. A invasão indesejável pode causar danos irreversíveis à formação. Desta forma, o controle das propriedades da torta é fundamental no processo de perfuração de poços de petróleo. Neste trabalho, objetivou-se estudar o efeito da forma e da distribuição granulométrica de carbonato de cálcio e da esfera de vidro na taxa de filtração estática. Os experimentos foram realizados em uma célula high temperature/high presssure (HTHP) para a filtração estática e dinâmica em condições compatíveis com aquelas encontradas durante a perfuração de poços de petróleo. Concluiu-se que quando é utilizado um fluido não newtoniano ocorre a influência no volume de filtrado devido à interação da granulometria do carbonato de cálcio e goma xantana. INTRODUÇÃOEm condições overbalance na perfuração dos poços de petróleo, à medida que a broca penetra a rocha reservatório, o fluido de perfuração invade a formação devido ao diferencial de pressão positivo entre o mesmo e o fluido do reservatório (Civan, 2007). Porções do fluido são perdidas para as formações adjacentes, enquanto parte dos sólidos presentes no fluido de perfuração, constituída por partículas menores que os poros da formação, penetra na rocha durante a perda do fluido, tamponando rapidamente a região ao redor do poço. Já as partículas maiores acumulam-se na parede do poço, iniciando a formação do reboco externo.Neste trabalho, foi estudado o efeito da distribuição granulométrica do carbonato de cálcio na taxa de filtração. Foi utilizado um único tipo de carbonato de cálcio e separado em três faixas granulométricas. Cada faixa granulométrica foi utilizada para preparar o fluido de perfuração, sendo todos fluidos base água. Os fluidos foram filtrados sob condição estática de operação.

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“…Inadequate control of the drilling-fluid property is related to borehole instability, excessive torque and drag, pressure differential sticking, and formation damage. The control of drillingfluid filtration characteristics does not include only control of the filtrate volume per unit area and unit time but also the quality of the resulting filter cake formed in the wellbore [6].…”

Section: Introductionmentioning

confidence: 99%

“…(Apparent viscosity (μ α ), cp = 600 ……………………………. (6). Yield point (Y P ), (Ib/100 ft 2 ) = .....………………….…”

mentioning

confidence: 99%

The Influence of XC-Polymer on Drilling Fluid Filter Cake Properties and Formation Damage

Blkoor¹,

Ka²

2013

J Pet Environ Biotechnol

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The filter cake characterization is very essential for doing well selection of the drilling fluids that eliminates the drilling problems such as formation damage. A correct knowledge of filter cake properties gives petroleum engineers a tool for efficiently managing hydrocarbon production process of a field. This study aimed to experimentally investigate the effect of different concentration of XC-Polymer on filter cake properties, filtrate loss and formation damage to select the optimum concentration of the XC-Polymer. High Pressure-High Temperature (HPHT) filter press with ceramic disk device was used to conduct these experiments. Seven samples of water-based drilling were used in this study. The chemical compositions of the filter cake were described by using Scanning Electron Microscopy (SEM). The results show that the optimum concentration of the XC-Polymer in current study is 1.0 lb/bbl (1 g/ 350 ml); it was observed that 1g XC-Polymer per 350 ml of the drilling fluid is sufficient for appropriate optimum rheological efficiency. However, if more than 2 g. of XC-Polymer is added, the fluid loses its property and becomes almost immobile. Thus, at 1.0 g of the XC-Polymer concentration there is a less reduction in permeability of the ceramic disk. At this concentration, we got less reduction in permeability of ceramic disk and good properties of the filter cake. In addition, this is an indicator of less formation damage at this concentration of XC-Polymer.

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Dynamic and Static Filtrate-Loss Techniques for Monitoring Filter-Cake Quality Improves Drilling-Fluid Performance

Cited by 20 publications

References 4 publications

Effect of Microbes on Drilling Fluid Formulation

Effect of Microbes on Drilling Fluid Formulation

Estudo Do Efeito De Material Particulado Na Formação Da Torta De Filtração E Na Invasão De Filtrado

The Influence of XC-Polymer on Drilling Fluid Filter Cake Properties and Formation Damage

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