IMPROVING THE DESIGN OF INCLINED WELLS AS THE BASIS FOR THE DEVELOPMENT OF HARD–TO-RECOVER HYDROCARBON RESERVES
Shakulikova G.T. Akhmetov S.М. Medzhidova A.N. Akhmetov N.М. Zaidemova Z.K.
2022National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2022#2Issue 452259 - 270 pp.
The basis for the extraction of hard-to-recover reserves (HTRR) of hydrocarbon raw materials (HM) are technologies for drilling cluster inclined wells. The importance of this approach lies in the fact that the development of HTRR qualitatively affects the growth of the capacity of the extractive and processing industries of the oil and gas complex. This article discusses the methodology for improving the design of cluster inclined wells, which allows to estimate the values of their parameters. This article provides a calculation scheme that allows estimating the values of the parameters of cluster of inclined wells according to the data on the coordinates of their wellheads. For high-quality planning and design of cluster inclined wells, it is necessary to develop (improve) methods for determining the main parameters of the profile, assess the influence of various factors on the choice of profile, which is important in the design of profiles, as well as the justification and selection of technical and technological solutions. Studies have shown that the process of controlling the drilling of a cluster of inclined wells includes a number of successive stages of determining the position of the drilled part of the wellbore in space, making decisions that ensure the orientation of the wellbore in a given direction, and their implementation. Briefly, what has been noted is in the design of cluster drilling of wells, including the assessment and refinement of the coordinates of the wells, taking into account the relative position and distance from the wellhead, the target and the point of preventing the shafts from contacting. An appropriate algorithm is proposed for estimating rectangular coordinates. Using this algorithm, the geographic coordinates of the drilled wellhead and the target point are recalculated in accordance with the projection coordinates. At the same time, it is necessary to check the coincidence of the results of calculations of the geographical coordinates of each well with the values of geographical coordinates provided by the company, to assess the accuracy of the data when moving from one coordinate system to another, according to the scheme given in the article. All of the above stages can form a mathematical basis for setting the problem and developing software for controlling the curvature of the trajectories of wells drilled from well in the field considered in the future.
algorithm , azimuth , cluster drilling , coordinates , curvature , drilling technology , Extractive and processing industries , Inclined wells , projection , trajectory
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Atyrau University of Oil and Gas named after S. Utebaev, Atyrau, Kazakhstan
Azerbaijan State Oil and Industry University, Baku, Azerbaijan
Atyrau University of Oil and Gas named after S. Utebaev
Azerbaijan State Oil and Industry University
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