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Basic requirements and features of well drilling technology for dual completion of several horizons

Authors

Deryaev Annaguly Rejepovich

Rubric:Engineering sciences in general
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This article discusses the basic requirements and features of well drilling technology for dual completion (DC) of several horizons. A number of problems encountered during the simultaneous operation of several horizons, mainly with different characteristics (reservoir pressure, permeability, porosity, saturation pressure, oil viscosity, and others) are described   productive formations and solutions for their development by independent grids of wells, as well as dependent factors for choosing the design of the wells of the DC. The article substantiates the position that the use of expanding packers on a hydrocarbon solution after 72 hours to expand and completely isolate the zone of productive formations in the open borehole, reducing the cementing of the open borehole, as well as excluding the colmatation of productive formations with cement mortar.

Keywords

shoe
annular space
gap
casing string
wellhead
preventer.
conductor
oil and gas phenomenon

Authors

Deryaev Annaguly Rejepovich

References:

  1. Деряев А.Р. Особенности технологии бурения для одновременной раздельной эксплуатации скважин / (научная монография). – Петрозаводск: МНЦП “Новая наука”, 2022. – с. 1–371.
  2. Деряев А.Р. Опыт бурения скважин с горизонтальным окончанием ствола в Западном Туркменистане. / Сборник статей института “Небитгазылмытаслама” выпуск 2(29). – Aшгабат: Туркменская Государственная служба печати.  2012.– с. 277–285.
  3. Деряев А.Р. [Гулатаров Х.Г.]. Исследование конструкции горизонтальной скважины для добычи нефти и газа. / Сборник статей. Моделирование процессов разработки газовых месторождений и прикладные задачи теоретической газогидродинамики. – А: Ылым, 1998. – с. 49–57.

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