CEMENTING SLURRY Russian patent published in 2012 - IPC C09K8/467 

Abstract RU 2441897 C1

FIELD: oil and gas industry.

SUBSTANCE: invention refers to the area of oil and gas industry, namely to construction of oil and gas wells and can be used for manufacturing of cementing slurry used for wells fixation. Cementing slurry contains cement, hydroxyethyl cellulose, plasticizing agent, foam suppressant and additionally contains synthetic fibers with diameter 0.001-0.1 and length 1-20 mm, expansion admixture with the following ratio, weight ratio: cement - 100; hydroxyethyl cellulose- 0.2-0.4; plasticizing agent - 0.1-0.5; foam suppressant - 0.2; synthetic fibers - 0.1-4; expansion admixture -0.1-20; water - 49-51.

EFFECT: increased surface of full contact of hardened cementing slurry with ground and casing string.

3 tbl, 1 dwg

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RU 2 441 897 C1

Authors

Zakharov Andrej Leont'Evich

Aramelev Aleksej Sergeevich

Pil'Gun Sergej Jur'Evich

Zakharov Evgenij Gennad'Evich

Dates

2012-02-10Published

2010-12-24Filed