BRIDGING MIX Russian patent published in 1995 - IPC

Abstract RU 2029067 C1

FIELD: oil producing industry. SUBSTANCE: bridging mix contains, mas.%: portland cement 93.46-98.04 and slag dust of aluminum production. Slag dust is mixed with portland cement. Added to mixture is service water with water-to-cement ratio of 0.5. EFFECT: higher efficiency of mix utilization due to increased stress in grout at simultaneous increase of coherence of cement stone with restricting surfaces. 1 tbl

Similar patents RU2029067C1

Title	Year	Author	Number
GROUTING MORTAR	1994	Bortsov V.P. Baluev A.A. Bastrikov S.N.	RU2082872C1
GROUTING MORTAR	1993	Bortsov V.P. Baluev A.A. Bastrikov S.N.	RU2078906C1
BRIDGING COMPOSITION	1992	Bortsov V.P. Negomedzjanov V.R. Vertoprakhova L.A. Koshelev A.T. Denisov V.S. Dobrjanskij V.G.	RU2036298C1
GROUTING MORTAR	1989	Bortsov V.P. Nagomedzjanov V.R.	RU1662152C
LIGHTED OIL-WELL SLURRY	1991	Nefedov V.A. Gnatus' N.A. Gjunner T.V.	RU2014436C1
COMPOUND FOR ISOLATION OF FORMATIONS, LOST CIRCULATION CONTROL AND CEMENTING OF WELLS	1992	Sharipov А.U. Dolganskaja S.I. Rjabova L.I.	RU2019682C1
RAW MIX FOR PREPARATION OF LIGHT-WEIGHT AIR-ENTRAINED CONCRETE	1991	Gnatus' N.A. Nefedov V.A. Shmal' G.I.	RU2036885C1
CEMENTING COMPOSITION	0	Katenev Evgenij Petrovich Ostapenko Albert Aleksandrovich Alekseenko Tatyana Nikolaevna Brintsev Anatolij Ivanovich	SU1138481A1
PLUGGING-BACK COMPOUND	0	Klyusov Anatolij Aleksandrovich Lepnev Eduard Nikolaevich Zakharchenko Leonid Mikhajlovich Shcherbich Nikolaj Efimovich	SU1668631A1
PLUGGING-BACK SOLUTION	0	Kurbanov Yaragi Mammaevich Nikashin Sergej Eduardovich Kalugina Nina Yakovlevna	SU1795083A1

RU 2 029 067 C1

Authors

Negomedzjanov V.R.

Bortsov V.P.

Denisov V.S.

Slepov V.V.

Volkova S.S.

Dates

1995-02-20—Published

1992-06-15—Filed