METHOD OF WELLHEAD SETUP IN DRILLING WITH ABOVE-WATER ARRANGEMENT OF BLOWOUT PREVENTER EQUIPMENT

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to mining industry and can be used in the drilling of wells with the ocean top. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - improving method by u0443u043cu0435u043du044cu0448u0435u043du0438u00a0 opportunity loss of sustainability in emerging conductor temperature u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0u0445 and kn u0430u0447u0438u0442u0435u043bu044cu043du044bu0445 depths u043cu043eu0440u00a0.method u0440u0435u0430u043bu0438u0437u0443u0435u0442u0441u00a0 device u0434u043bu00a0 u043eu0431u0432u00a0u0437u043au0438 u0443u0441u0442u044cu00a0 during drilling with the ocean top placement u043fu0440u043eu0442u0438u0432u043eu0432u044bu0431u0440u043eu0441u043eu0432u043eu0433u043e u043eu0431u043eu0440u0443u0434u043eu0432u0430u043du0438u00a0. it includes the column heads (gab) 1, the u043au043eu043du0434u0443u043au0442u043eu0440u0435 (to) 2, the support (4, u043au043eu043du0446u0435u043du0442u0440u0438u0447u043du043e placed between 2 and u0432u043eu0434u043eu043eu0442u0434u0435u043bu00a0u044eu0449u0435u0439 column (vc) 3 the emphasis in its upper butt. with the gab 1 and 4 u0441u0432u00a0u0437u0430u043du044b bung counter 8.the ferrule 4 is u0432u043du0443u0442u0440u0435u043du043du00a0u00a0 u043au043eu043du0443u0441u043du043eu0439 and outside the ferrule 4 has a circular projection 5 at its upper part u0434u043bu00a0 u0432u0437u0430u0438u043cu043eu0434u0435u0439u0441u0442u0432u0438u00a0 with ac 3. the ledge 5 have vertical slots to accommodate them; 8. between the inner surface and the outer surface of the ferrule 4 to 2 is u043au043bu0438u043du043eu0432u0430u044f suspension in the form of u043au043bu0438u043du044cu0435u0432 7 with u043du0430u0441u0435u0447u043au043eu0439. way is as follows.after descent and u0446u0435u043cu0435u043du0442u0438u0440u043eu0432u0430u043du0438u044f to 2 mc 3 are cut at the design height. at its upper butt set (4). u043du0430u0442u00a0u0433u0438u0432u0430u044eu0442 to 2 and fix it in u0432u0442u0443u043bu043au0435 u043au043bu0438u043du044cu0435u0432 4 through 7. cut to 2 to the calculated height and set it u043fu0440u0438u0432u0430u0440u0438u0432u0430u044eu0442 gab 1, and then the last. in the vertical slots set at 8 so that they interact with the bung gab 1 and 4.then the counter 8 u043fu0440u0438u0432u0430u0440u0438u0432u0430u044eu0442 to gab 1 and u0432u0442u0443u043bu043au0435 4. the gab 1 set u043fu0440u043eu0442u0438u0432u043eu0432u044bu0431u0440u043eu0441u043eu0432u043eu0435 equipment and continue to deepen the well. the proposed method u043fu043eu0437u0432u043eu043bu00a0u0435u0442 to prevent the loss of the conductor and reduces metal consumption u043eu0431u043eu0440u0443u0434u043eu0432u0430u043du0438u00a0 u0434u043bu00a0 u043eu0431u0432u00a0u0437u043au0438 ust wells. 2 u0441.u043f.u0444 - lu, 2).