Dynamics of the pressure relaxation in a “depressurized” borehole
A problem of the pressure relaxation in a borehole after its “depressurization” is considered. An integral equation describing the evolution of the pressure in the borehole is obtained. It is shown that, by a choice of the initial bulk gas content and the height of the Impermeable part of the boreho...
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| Veröffentlicht in: | Journal of applied mathematics and mechanics 2009, Vol.73 (4), p.443-448 |
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| container_title | Journal of applied mathematics and mechanics |
| container_volume | 73 |
| creator | Khafizov, R.M. Khusainov, I.G. Shagapov, V. Sh |
| description | A problem of the pressure relaxation in a borehole after its “depressurization” is considered. An integral equation describing the evolution of the pressure in the borehole is obtained. It is shown that, by a choice of the initial bulk gas content and the height of the Impermeable part of the borehole, it is possible to obtain that the half-period of the pressure relaxation in the borehole lies within limits which are convenient for the technical realization of “depressurization”. Nomograms are constructed which enable one, when the values of the borehole parameters are known, to estimate the permeability of the surrounding porous medium using the half-period of the pressure relaxation. |
| doi_str_mv | 10.1016/j.jappmathmech.2009.08.006 |
| format | Article |
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Casing. Preparing wells for production</subject><subject>Energy</subject><subject>Exact sciences and technology</subject><subject>Flows through porous media</subject><subject>Fluid dynamics</subject><subject>Fuels</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Nonhomogeneous flows</subject><subject>Physics</subject><subject>Prospecting and production of crude oil, natural gas, oil shales and tar sands</subject><issn>0021-8928</issn><issn>0021-8928</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqNkM1Kw0AQx4MoWKvvEAS9Jc7ma3e9SVs_oOBFz8t0MyFb8uVuKuqpD6Iv1ycxpUV69DQD85v_MD_Pu2QQMmDZzTJcYtfV2Jc16TKMAGQIIgTIjrwRQMQCISNxfNCfemfOLQEYh0yMvNn0s8HaaOe3hd-X5HeWnFtZ8i1V-IG9aRvfND76m_V3Tvup-aJ8s_7xF62lsq3o3DspsHJ0sa9j7_V-9jJ5DObPD0-Tu3mgY5H2gdALiDKSeUQFYJonXEjNQXDOE5AZxYiUIYEsSBRJxhKdY7HQPIVI5pySeOxd73I7276tyPWqNk5TVWFD7cqpOGWpzGI5gLc7UNvWOUuF6qyp0X4qBmprTi3VoTm1NadAqMHcsHy1v4JOY1VYbLRxfwlRxNIUknTgpjuOhpffDVnltKFGU24s6V7lrfnPuV-sbo34</recordid><startdate>2009</startdate><enddate>2009</enddate><creator>Khafizov, R.M.</creator><creator>Khusainov, I.G.</creator><creator>Shagapov, V. 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| fulltext | fulltext |
| identifier | ISSN: 0021-8928 |
| ispartof | Journal of applied mathematics and mechanics, 2009, Vol.73 (4), p.443-448 |
| issn | 0021-8928 0021-8928 |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Applied sciences Crude oil, natural gas and petroleum products Drilling. Casing. Preparing wells for production Energy Exact sciences and technology Flows through porous media Fluid dynamics Fuels Fundamental areas of phenomenology (including applications) Nonhomogeneous flows Physics Prospecting and production of crude oil, natural gas, oil shales and tar sands |
| title | Dynamics of the pressure relaxation in a “depressurized” borehole |
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