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A model of dynamic confinement during drilling in pressurized boreholes

✍ Scribed by J.J. Kollé


Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
439 KB
Volume
30
Category
Article
ISSN
0148-9062

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Dynamics of the pressure relaxation in a
✍ R.M. Khafizov; I.G. Khusainov; V. Sh. Shagapov 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 554 KB

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