发明名称 METHOD OF INCREASING OIL RECOVERY FROM FORMATION
摘要 oil production with use of heat, mainly, from reservoirs with heavy, bitumen oil, in complex with drilling of horizontal wells. SUBSTANCE: method includes installation of perforated casing string into horizontal well, cementing of casing-borehole annulus up to horizontal borehole; installation of tubing string into perforated casing string up to its horizontal part; installation into tubing string of the second tubing string up to end of casing string horizontal part; supply of gas to well through annular space between casing string and the first tubing string; supply of heat carrier through the second tubing string to end part of casing string; withdrawal of well product through annular space between the first and second tubing strings up to attaining of preset injectivity. After provision of required injectivity, withdrawal of products from given well is discontinued. Annular space between the first and second tubing strings is filled with gas. Products are withdrawal from neighboring producing wells. EFFECT: provision of preset injectivity of heat carrier with reduced losses of its energy. 2 dwg
申请公布号 RU2191895(C1) 申请公布日期 2002.10.27
申请号 RU20010110962 申请日期 2001.04.25
申请人 OAO VSEROSSIJSKIJ NEFTEGAZOVYJ NAUCHNO-ISSLEDOVATE;OAO VSEROSSIJSKIJ NEFTEGAZOVYJ 发明人 AKHUNOV R.M.;ABDULKHAIROV R.M.;KONDRASHKIN V.F.;GAREEV R.Z.;KAJUMOVA N.R.
分类号 E21B43/24;(IPC1-7):E21B43/24 主分类号 E21B43/24
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