BLIND WELL REAMING DEVICE Russian patent published in 2011 - IPC E21B7/28 

Abstract RU 2410518 C1

FIELD: oil and gas industry.

SUBSTANCE: invention refers to construction industry, and namely to reaming devices of the wells drilled in the soil, and can be used for reaming blind wells at erection of bored piles. Device for reaming blind wells involves the operating tip made of sector plates hinged on the end of cylindrical housing, which is front as to direction of well reaming. Inside that housing there rigidly fixed is vibrator of circular vibrations and spreading mechanism of sector plates, which is made in the form of the ring installed on outer side of cylindrical housing with possibility of being moved throughout its length, which is connected by means of stiff rods to drive of back-and-forth movement.

EFFECT: reaming of blind wells in soil for drilled piles.

2 cl, 5 dwg

Similar patents RU2410518C1

Title Year Author Number
DEVICE FOR FORMING HELICAL PROFILE ON WELL WALLS FOR BORED PILES 2011
  • Romakin Nikolaj Egorovich
RU2470133C2
DEVICE FOR FORMING HELICAL PROFILE ON WELL WALLS FOR BORED PILES 2011
  • Romakin Nikolaj Egorovich
RU2478754C1
DEVICE TO PRODUCE WELLS IN SOIL BY IMPACT METHOD 2012
  • Borisov Evgenij Gennad'Evich
  • Kuz'Min Mikhail Mikhajlovich
  • Matrosov Sergej Il'Ich
RU2517267C1
DEVICE FOR CAST-IN-PLACE PILE FORMING IN GROUND 2000
  • Sboev V.M.
  • Tkach Kh.B.
  • Zajtsev A.A.
  • Lubjagin A.V.
  • Kritskij M.Ja.
RU2250959C2
CONTINUOUS HOLLOW DIE FOR INSTALLATION OF CAST-IN-PLACE PILES BY INDENTATION METHOD AND METHOD OF CAST-IN-PLACE PILE INSTALLATION BY MEANS OF CONTINUOUS HOLLOW DIE FOR CAST-IN-PLACE PILES BY INDENTATION 2023
  • Chesnokov Georgij Vladimirovich
RU2817367C1
APPARATUS FOR MAKING CAST-IN PLACE PILE IN SOIL 0
  • Boris Miroslav Vasilevich
SU1062343A1
DEVICE FOR FORMING CAST-IN-PLACE PILE IN GROUND 1996
  • Sboev V.M.
  • Tkach Kh.B.
  • Fedorov V.K.
  • Annamatov A.M.
RU2126072C1
APPARATUS FOR FORMING HOLES WITH EXPANSIONS FOR CAST-IN-PLACE PILES 0
  • Feklin Valentin Ivanovich
  • Mironenko Anatolij Nikolaevich
SU1139821A1
PLATE FOR TESTING SOILS IN BOREHOLE 0
  • Krasnyj Yurij Mikhajlovich
  • Ivanov Vladimir Yurevich
  • Shulev Vladimir Leonidovich
SU1114739A1
APPARATUS FOR EXPANDING HOLES FOR CAST-IN-PLACE PILES 0
  • Pushkarevich Valerij Semenovich
  • Efremenko Vladimir Mikhajlovich
  • Khazanova Tatyana Evgenevna
SU1109507A1

RU 2 410 518 C1

Authors

Romakin Nikolaj Egorovich

Gubatenko Mark Sergeevich

Dates

2011-01-27Published

2009-07-29Filed