PROTECTOR Russian patent published in 2010 - IPC E21B17/10 

Abstract RU 2402671 C1

FIELD: oil and gas production.

SUBSTANCE: protector for shielding power cable in well consists of seat and slot for installation of power cable, of reflectors interacting with internal channel of production string and of channel enveloping tubing string. Also in the channel of the protector for tubing string enveloping there are made circular grooves and there are installed flexible split tooth rings with differently directed pointed vertexes on external and internal surfaces. Radial threaded orifices are cut between the grooves; there are installed lock screws interacting with surface of tubing when they are screwed to fix the protector. Notably, hardness of pointed vertexes of the split rings exceeds or is equal to hardness of surface of tubing.

EFFECT: raised reliability of protector fixation with power cable on external surface of tubing.

2 cl, 5 dwg

Similar patents RU2402671C1

Title Year Author Number
PROTECTOR 2009
  • Khalaev Grigorij Grigor'Evich
RU2402672C1
PROTECTOR 2009
  • Khalaev Grigorij Grigor'Evich
RU2403372C2
PROTECTOR 2009
  • Khalaev Grigorij Grigor'Evich
RU2401934C1
PROTECTOR FOR PROTECTION OF FORCE CABLE IN A WELL 2003
  • Khalaev G.G.
RU2250345C1
PROTECTOR FOR PROTECTION BOTH OF POWER CABLE, AND CAPILLARY TUBE IN WELL 2008
  • Khalaev Grigorij Grigor'Evich
RU2393325C1
PROTECTOR 2009
  • Khalaev Grigorij Grigor'Evich
RU2403373C1
PROTECTOR FOR PROTECTION OF POWER CABLE IN A WELL 2002
  • Khalaev G.G.
RU2249668C2
SHOCK ABSORBER OF ELECTRIC CENTRIFUGAL PUMP IN WELL 2010
  • Khalaev Grigorij Grigor'Evich
RU2446315C2
PROTECTOR FOR WELL POWER CABLE 2002
  • Khalaev G.G.
RU2250977C2
POWER CABLE PROTECTIVE DEVICE IN WELL 2000
  • Kul'Pin V.D.
  • Shkol'Nyj N.M.
  • Tomashevskij P.M.
  • Druzhinin E.Eh.
  • Khalaev G.G.
RU2204685C2

RU 2 402 671 C1

Authors

Khalaev Grigorij Grigor'Evich

Dates

2010-10-27Published

2009-07-21Filed