Simulation of the drilling mud properties at various compositions and inorganic salts concentrations

Akhmetzyanov, R.R.; Zhernakov, V.N.

doi:10.24887/0028-2448-2019-4-33-37

Cited by 2 publications

(1 citation statement)

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“…The WBMs fall into two broad categories: non-dispersed and dispersed. Simple water-gel systems used for drilling of upper intervals in the well are non-dispersed, unlike many advanced polymer systems with low or zero bentonite content [23,24]. Natural clays that enter undispersed systems during drilling are subjected to dissolving, encapsulation and/or flocculation.…”

Section: Introductionmentioning

confidence: 99%

Barite-Free Muds for Drilling-in the Formations with Abnormally High Pressure

Leusheva

Alikhanov

Morenov

2022

Fluids

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This paper discusses problems associated with water-based drilling fluids used for drilling formations with abnormally high pressure. The available solutions are suitable for a narrow range of applications, especially when weighted muds should be used. This paper reviews the experience of searching and developing a new type of drilling mud based on saturated brines. With the referenced papers as the basis, the authors developed compositions of such brine-based drilling muds. A distinctive feature of the considered compositions is the absence of barite, which is often used as a weighting agent. The paper presents a methodology for creating and investigating the proposed drilling fluids. The rheological properties and thermal stability of the muds at various temperatures were studied. The results show that proposed drilling fluids can be efficiently used for drilling formations with abnormally high pressure. It is assumed that the developed muds have greater versatility than analogues.

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Section: Introductionmentioning

confidence: 99%

Barite-Free Muds for Drilling-in the Formations with Abnormally High Pressure

Leusheva

Alikhanov

Morenov

2022

Fluids

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A review of some methods and results of studies in the "well - reservoir" system

Akhmetzyanov

2023

Izvestiâ vysših učebnyh zavedenij. Neftʹ i gaz

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The physicochemical interactions between drilling mud, rock and in-situ fluids in the "well - reservoir" system are of increasing interest to oilfield drilling researchers. Usually, the main aim of research is development of an optimal drilling fluid that provides trouble-free drilling, reducing non-productive time to eliminate various problems, and effectively exposes of oil and gas reservoirs under certain geological conditions. The history of research in this area goes back more than a dozen years. However, given the difficulties of modeling real geological conditions in the laboratory, and the characteristic attachment of previous results to them, there is still plenty of untapped potential. The purpose of this article is a literature review of the applied research methods to assess the level of scientific and technical development, evaluate the achieved research results, a possibility of their distribution to the target objects and further development.

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Simulation of the drilling mud properties at various compositions and inorganic salts concentrations

Cited by 2 publications

References 0 publications

Barite-Free Muds for Drilling-in the Formations with Abnormally High Pressure

Barite-Free Muds for Drilling-in the Formations with Abnormally High Pressure

A review of some methods and results of studies in the "well - reservoir" system

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