DOWNHOLE PIPE CUTTER Russian patent published in 1997 - IPC

Abstract RU 2091562 C1

FIELD: oil and gas producing industry, particular, shooting-blasting apparatuses used for pipe breakdown in well. SUBSTANCE: the offered pipe cutter has cylindrical body 6 with side covers 5. Installed in body is explosive charge 1 with annular cumulative hollow covered with lining 4 and means of initiation 2, 3. Cover 5 has projection in form of truncated cone whose small base is adjacent to cover. Sizes of all members are offered in the invention description. EFFECT: enhanced efficiency. 8 dwg

Similar patents RU2091562C1

Title Year Author Number
SHAPED CHARGE 2002
  • Golubev V.A.
  • Mochalov M.A.
RU2197702C1
METHOD OF BLAST CUTTING OF METALWORKS AND LINE SHAPED CHARGE FOR ITS REALIZATION 1994
  • Eremenko A.S.
  • Novikov S.A.
  • Lobanov V.N.
  • Prokhorov S.V.
RU2091697C1
DEVICE FOR CUTTING BY BLASTING 1998
  • Novikov S.A.
  • Bat'Kov Ju.V.
  • Skokov V.I.
  • Lobanov V.N.
  • Kislinskij V.P.
  • Andreevskikh L.A.
  • Kovalev N.P.
RU2155262C2
QUICK-ERECTED DEVICE FOR LOCALIZATION OF EXPLOSION PRODUCTS 1999
  • Motorikin G.P.
  • Zhogin V.P.
RU2168107C1
FACING FOR SHAPED CHARGE 2002
  • Vakhrushev V.V.
  • Golubev V.A.
  • Uskov A.A.
  • Kharlamov M.V.
RU2217687C2
METHOD AND DEVICE FOR EXPLOSIVE CUMULATION OF MAGNETIC ENERGY 1998
  • Boriskin A.S.
  • Dimant E.M.
RU2156026C2
MAGNETIC-EXPLOSION HELICAL GENERATOR 1999
  • Chernyshev V.K.
  • Chernyshev V.V.
  • Egorychev B.T.
RU2169425C2
GEAR FOR DYNAMIC LOADING 1993
  • Bel'Skij V.M.
  • Lin Eh.Eh.
  • Pashchenko Eh.N.
  • Tikhomirov B.P.
  • Khabarov I.P.
RU2113703C1
SHOOTING-BLASTING DEVICE 1994
  • Gubachev V.A.
  • Mikhajlov A.L.
  • Shutov V.I.
RU2100762C1
AMMUNITION 2003
  • Vasetskij V.N.
  • Klopov B.A.
  • Svirskij O.V.
RU2232971C1

RU 2 091 562 C1

Authors

Skokov V.I.

Kovalev N.P.

Dates

1997-09-27Published

1994-09-07Filed