发明名称 |
METHOD OF WELL CLEANUP DURING ITS OPERATION |
摘要 |
FIELD: oil and gas production, mining industry. SUBSTANCE: in process of well cleanup clogging is ripped by rotation of pipes with fluke and ripper without opening of fluke. Clogging is sucked right after ripping through ripper and holes located at level of perforation holes in well casing. Fluke is removed from well. It is possible to fill up part of fluke and pipes above it with well fluid before start of ripping by short-time resting of ripper in clogs of sump and opening of fluke. Step-by-step well cleanup is also possible by ripping and suction of portion of clogging with repetition of cycles of ripping and suction till well is cleaned or fluke is filled. EFFECT: enhanced efficiency of well cleanup. 2 cl, 1 dwg
|
申请公布号 |
RU2203394(C1) |
申请公布日期 |
2003.04.27 |
申请号 |
RU20020122784 |
申请日期 |
2002.08.27 |
申请人 |
TEKH";OOO GEO |
发明人 |
JAKSHIGULOV S.M.;KANDAUROVA G.F.;NURMUKHAMETOV R.S.;JUSHKOV A.A.;KONOVALOV S.E. |
分类号 |
E21B37/00;E21B43/18;(IPC1-7):E21B37/00 |
主分类号 |
E21B37/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|