{"id":772,"date":"2020-10-18T22:21:21","date_gmt":"2020-10-18T19:21:21","guid":{"rendered":"https:\/\/adcr.ru\/?p=772"},"modified":"2020-10-18T22:24:31","modified_gmt":"2020-10-18T19:24:31","slug":"2009-1-3","status":"publish","type":"post","link":"https:\/\/adcr.ru\/en\/2009-1-3\/","title":{"rendered":"\"REPORTER of the Association of Drilling Contractors\" N 1, 2009"},"content":{"rendered":"
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\"\"<\/strong><\/h3>\n

PROSPECTS \u00a0FOR \u00a0APPLICATION \u00a0OF \u00a0HIGH\u00a0 PRESSURE \u00a0DRILLING \u00a0AT \u00a0LOW \u00a0CIRCULATION \u00a0RATES.<\/strong><\/em><\/p>\n

Yu.R. Ionesyan \u2013 Ph.D. in Engineering, Professor
G.P. Chaikovsky \u2013 Ph.D. in Engineering, Deputy General Director
V.V. Popko \u2013 Ph.D. in Engineering, Head of Department
OJSC NPO \u201cBurovaya Tekhnika\u201d
S.V. Gladyshev \u2013 Leading Engineer
OOO \u201cVNIIBT \u2013 Burovoy Instrument\u201d<\/strong><\/em><\/p>\n

Development and implementation of an efficient hydraulic program is an important part of the well drilling optimization process. The selection of a circulation rate is traditionally determined by requirements of the drill cuttings transport though the annulus. \u00a0A split-flow turbodrill enables to materially reduce specific rate of circulation. \u00a0This flushing mode allows reducing of bottomhole differential pressure; lower flow turbulence leads to lower water loss which helps to increase drilling performance.\u00a0\u00a0 These turbodrills are able to extend the range of effective application of the turbine drilling, especially when used with PDC bits.<\/p>\n

Key words: turbine drilling; bottomhole flushing; specific flow rate; low circulation rate; braking moment; output performance.<\/em><\/p>\n

PROSPECTS \u00a0FOR \u00a0APPLICATION \u00a0OF \u00a0HIGH\u00a0 PRESSURE \u00a0DRILLING \u00a0AT \u00a0LOW \u00a0CIRCULATION \u00a0RATES.<\/strong><\/p>\n

Yu.R. Ionesyan \u2013 Ph.D. in Engineering, Professor
G.P. Chaikovsky \u2013 Ph.D. in Engineering, Deputy General Director
V.V. Popko \u2013 Ph.D. in Engineering, Head of Department
OAO NPO \u201cBurovaya Tekhnika\u201d
S.V. Gladyshev \u2013 Leading Engineer
OOO \u201cVNIIBT \u2013 Burovoy Instrument\u201d<\/strong><\/em><\/p>\n

Development and implementation of an efficient hydraulic program is an important part of the well drilling optimization process. The selection of a circulation rate is traditionally determined by requirements of the drill cuttings transport though the annulus. \u00a0A split-flow turbodrill enables to materially reduce specific rate of circulation. \u00a0This flushing mode allows reducing of bottomhole differential pressure; lower flow turbulence leads to lower water loss which helps to increase drilling performance.\u00a0\u00a0 These turbodrills are able to extend the range of effective application of the turbine drilling, especially when used with PDC bits.<\/p>\n

Key words: turbine drilling; bottomhole flushing; specific flow rate; low circulation rate; braking moment; output performance.<\/em><\/p>\n

\u00a0<\/p>\n

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