GROUTING MORTAR Russian patent published in 1998 - IPC

Abstract RU 2120538 C1

FIELD: grouting mortars; may be used in drilling oil and gas wells. SUBSTANCE: grouting mortar has oil-well cement and plasticizer in the form of polyelectrolyte complex of resorcinol-formaldehyde oligomers and polyethylene-polyamine stabilized with formaldehyde. Content of plasticizer in mortar amounts to 0.05-0.45%. EFFECT: higher efficiency of plasticization and increased strength of cement stone. 1 tbl

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RU 2 120 538 C1

Authors

Simonenko L.I.

Anisimov A.A.

Gukasova N.M.

Zlotnikov G.P.

Khachko S.I.

Dates

1998-10-20—Published

1996-05-14—Filed