SWIVEL WITH UPPER DRIVE Russian patent published in 1995 - IPC

Abstract RU 2027846 C1

FIELD: land and offshore drilling rigs. SUBSTANCE: swivel with upper drive has body with stem. Built-in stem are rotary drive and hydraulic pushers for screwing with rack mechanism. Rack mechanism is installed for interaction with toothed rim of supporting flange. Swivel has in its lower part a sleeve square in cross-section installed in mating socket of carriage taking up reactive torque from rotary drive and hydraulic pushers. EFFECT: higher efficiency. 3 dwg

Similar patents RU2027846C1

Title	Year	Author	Number
TOP-DRIVEN DRILLING DEVICE	1995	Litvinov Anatolij Ivanovich	RU2105861C1
UPPER POWER DRIVE FOR DRILLING DEVICE	2003	Binder Ja.I. Khoroshanskij E.Ja. Saprykin A.G. Jatskevich A.A.	RU2237790C1
DRILL PIPE ROTARY HEAD OF DRILLING RIGS	1992	Litvinov A.I.	RU2018623C1
SWIVEL	0	Mamedov Makhmud Ali Turan Ogly	SU1477896A1
WINCH	2001		RU2192385C1
WELL DRILL RIG	0	Mansurov Rafik Mansurovich	SU1723298A1
POST TURNING MECHANISM	2001	Bogdanov V.O. Klochikhin N.V. Klochikhina T.G. Konopkin A.F. Moshkin V.S. Neverov A.G. Okon'Skij A.B. Pyr'Ev A.A. Pjatkin V.A. Khaliulin A.G.	RU2221736C2
WRENCH FOR OPERATING LOCK JOINT OF DRILL PIPES	0	Ivanov Boris Nikolaevich Urman Fridrikh Mikhajlovich Shejtelman Pavel Arkadevich	SU1002510A1
UNIVERSAL HIGH-TORQUE HIGH-RPM ELECTRIC DRIVE OF PIPELINE SHUTOFF VALVES AND ACCESSORIES	2011	Sidorov Petr Grigor'Evich Raspopov Vladimir Jakovlevich Dmitriev Andrej Vladimirovich Pashin Aleksandr Aleksandrovich Tereshkin Mikhail Vladimirovich Vedeshkin Jurij Vladimirovich Pljasov Aleksej Valentinovich	RU2457385C1
MANIPULATOR	0	Somov Aleksandr Nikolaevich	SU1094734A1

RU 2 027 846 C1

Authors

Litvinov A.I.

Sukhov V.A.

Surkov A.V.

Zakharov S.V.

Dates

1995-01-27—Published

1991-12-02—Filed