THREAD LUBRICANT (VARIANTS) Russian patent published in 2001 - IPC

Abstract RU 2177498 C2

FIELD: mining industry for sealing threaded joints of pipes. SUBSTANCE: lubricant comprises, wt. %: low-molecular polyethylene, 35-50; buretane, 25-38; graphite powder, 12-40; content of 20 mcm particles being 1, 10 mcm particles, 3 and less than 6 mcm particles, the balance. EFFECT: greater reliability of treated joints of pipes operating under well conditions, fewer emergency cases, longer operating time of tools, casing string and tubing strings. 3 cl, 4 dwg, 3 tbl

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RU 2 177 498 C2

Authors

Shakhmaev Z.M.

Rakhmatullin V.R.

Dates

2001-12-27—Published

1999-04-14—Filed