发明名称 |
HEAT-RESISTANT CATIONIC DRILLING MUD |
摘要 |
FIELD: construction.SUBSTANCE: invention relates to water-based drilling fluids and can be used, when drilling oil and gas wells, in drilling unstable clay rocks in terrigenous and saline deposits in conditions of high temperatures of up to 200 °C. Cationic drilling mud contains, wt%: gel powder 3-5; polydadmac 1.75-3.50; cationic polymer Rosfloc KF 0.5-2; Polyvinyl pyrrolidone 0.3-3.0; water - rest.EFFECT: technical effect consists in improvement of solution fastening properties and preservation of stability (integrity) of well shaft walls at simultaneous increase of inhibiting properties of solution.1 cl, 1 dwg, 3 tbl |
申请公布号 |
RU2602262(C1) |
申请公布日期 |
2016.11.10 |
申请号 |
RU20150143546 |
申请日期 |
2015.10.12 |
申请人 |
Obshchestvo s ogranichennoj otvetstvennostju "Nauchno-issledovatelskij institut prirodnykh gazov i gazovykh tekhnologij - Gazprom VNIIGAZ" |
发明人 |
Gajdarov Azamat Mitalimovich;KHubbatov Andrej Atlasovich;Gajdarov Mitalim Magomed-Rasulovich;Alekseev Vladimir Vadimovich;Izjumchenko Dmitrij Viktorovich;Ponomarenko Dmitrij Vladimirovich;Kulikov Konstantin Vladimirovich;Ilalov Ramil Salakhutdinovich;Vasilev Vjacheslav Georgievich |
分类号 |
C09K8/24 |
主分类号 |
C09K8/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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