ANCHOR Russian patent published in 1995 - IPC

Abstract RU 2044862 C1

FIELD: gas and oil producing industry. SUBSTANCE: pins connected with rod are located in shaped grooves of coupling installed for engagement of end parts of their free ends with inner surface of differential bushing. The latter has channels communicating hydraulic chamber with well space. EFFECT: higher reliability in securing packers in wells. 3 dwg

Similar patents RU2044862C1

Title	Year	Author	Number
OIL WELL DRILLING PACKER	1992	Nagumanov Mirsat Mirsalimovich Nagumanov Marat Mirsatovich	RU2039205C1
PACKER	1997	Nagumanov Mirsat Mirsalimovich Nagumanov Marat Mirsatovich	RU2120023C1
PACKER (VERSIONS)	2000	Nagumanov M.M. Nagumanov M.M.	RU2179228C2
PACKER	1996	Nagumanov Mirsat Mirsalimovich Nagumanova Tamara Shakirovna Nagumanov Marat Mirsatovich	RU2101461C1
PACKER	1998	Nagumanov M.M. Nagumanov M.M.	RU2144129C1
TUBING ANCHOR	2018	Nagumanov Marat Mirsatovich	RU2686131C1
PACKER	1992	Nagumanov Mirsat Mirsalimovich Nagumanov Marat Mirsatovich	RU2044863C1
ANCHOR	0	Nagumanov Mirsat Mirsalimovich Lavkart Evgenij Andreevich	SU953184A1
PACKER	1996	Nagumanov Mirsat Mirsalimovich Nagumanova Tamara Shakirovna Nagumanov Marat Mirsatovich	RU2105864C1
PACKER FOR OPEN BOREHOLES	2013	Nagumanov Marat Mirsatovich Zamarev Arkadij Nikolaevich	RU2531688C1

RU 2 044 862 C1

Authors

Nagumanov Marat Mirsatovich

Dates

1995-09-27—Published

1992-08-18—Filed