发明名称 METHOD OF WELL DRILLING
摘要 FIELD: oil-and-gas producing industry. SUBSTANCE: method may be used in production of oil, gas, etc., in exploration of oil and gas fields, and in earth drilling for investigation purposes. Distinguishing feature of the method is the fact that joining of drill pipes to one another and their disconnection in the course of drilling are carried out for one revolution by one laser beam tool and without interruption of drilling process. EFFECT: higher productivity and reliability of drilling equipment. 2 cl, 2 dwg
申请公布号 RU2147664(C1) 申请公布日期 2000.04.20
申请号 RU19980110714 申请日期 1998.06.01
申请人 ZAKRYTOE AKTSIONERNOE OBSHCHESTVO "TEKHNOLAZER" 发明人 ZABELIN A.M.;MIKUL'SHIN G.JU.
分类号 E21B7/00;B23K26/00;E21B17/04 主分类号 E21B7/00
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