COMPOSITION FOR ELIMINATION OF INTER-STRING GAS SHOWS IN GAS WELL LOCATED IN ICE-RICH PERMAFROST ROCKS Russian patent published in 2016 - IPC C09K8/506 E21B33/138 

Abstract RU 2588499 C1

FIELD: oil and gas industry.

SUBSTANCE: invention relates to oil and gas industry, specifically to elimination of inter-string gas shows in oil and gas wells, located in ice-rich permafrost rocks (PFR). Composition for elimination of inter-string gas shows in gas well located in ice-rich PFR contains, wt%: high-viscosity carboxymethyl cellulose (CMC) 12.0-17.0, bentonite clay 8.0-15.0; asbestos crumbs 13.0-20.0, water-methanol solution taken at a ratio of 70:30 - balance.

EFFECT: higher efficiency of elimination of inter-string gas shows.

1 cl, 1 tbl

Similar patents RU2588499C1

Title Year Author Number
METHOD FOR ELIMINATION OF INTERNAL GAS SHOWINGS IN WELL 2008
  • Kustyshev Aleksandr Vasil'Evich
  • Krjakvin Dmitrij Aleksandrovich
  • Shcherbich Nikolaj Efimovich
  • Lesnichenko Andrej Gennad'Evich
  • Zhuravlev Valerij Vladimirovich
  • Nemkov Aleksej Vladimirovich
  • Kustyshev Denis Aleksandrovich
RU2373377C1
ABANDONMENT METHOD FOR WELL WITH GAS SHOW IN TUBING-CASING ANNULUS 2005
  • Kustyshev Aleksandr Vasil'Evich
  • Zozulja Grigorij Pavlovich
  • Kustyshev Igor' Aleksandrovich
  • Shcherbich Nikolaj Efimovich
  • Obidnov Viktor Borisovich
  • Lakhno Elena Jur'Evna
  • Kustyshev Denis Aleksandrovich
RU2305754C2
METHOD OF CORRECTION OF INTERSTRING GAS MANIFESTATIONS IN WELL 1999
  • Dudov A.N.
  • Akhmetov A.A.
  • Sharipov A.M.
  • Khadiev D.N.
  • Kirjakov G.A.
  • Zhukovskij K.A.
RU2144130C1
NEUTRAL DENSIFYING FLUID FOR WELLS 2002
  • Asadullin M.Z.
  • Sakhipov F.A.
  • Baranov A.A.
  • Agzamov F.A.
  • Latypov A.G.
  • Akhmed Salekhsaid Al' Samavi
  • Ibragim A.S.
  • Jakh'Ja M.A.-S.
RU2208132C1
METHOD OF EMERGENCY KILLING OF FLOWING GAS WELL IN PRESENCE OF PERMAFROST ROCKS 2015
  • Sekhniashvili Vladimir Amiranovich
  • Kustyshev Aleksandr Vasilevich
  • Shtol Anton Vladimirovich
  • Kustyshev Denis Aleksandrovich
  • Kustyshev Igor Aleksandrovich
  • Zhuravlev Valerij Vladimirovich
RU2591866C1
LIGHT-WEIGHT ALCOHOL-SALT SOLUTION FOR THAWING OF GAS WELLS IN PERMANENTLY FROZEN HIGH-ICY ROCKS ZONE 2012
  • Kustyshev Denis Aleksandrovich
  • Chizhov Ivan Vasil'Evich
RU2560739C2
METHOD OF DISPOSAL OF WELL DRILLING WASTE INTO ABANDONED WELL 2015
  • Kustysheva Irina Nikolaevna
  • Kustyshev Igor Aleksandrovich
  • Zhuravlev Valerij Vladimirovich
  • Krushevskij Sergej Vladimirovich
  • Ivanova Larisa Sergeevna
  • Bagrova Nadezhda Valerevna
  • Antonov Maksim Dmitrievich
RU2616302C1
DRILLING FLUID FOR FLUSHING OF LONG-DISTANCE STEEPLY INCLINED WELLS UNDER CONDITIONS OF PERMAFROST AND HIGHLY COLLOIDAL CLAY ROCKS, AND ITS APPLICATION METHOD 2011
  • Kashkarov Nikolaj Gavrilovich
  • Verkhovskaja Nadezhda Nikolaevna
  • Plaksin Roman Valerievich
  • Novikova Elena Vladimirovna
  • Senjushkin Sergej Valer'Evich
RU2483091C1
METHOD OF ABANDONMENT OF OIL-AND-GAS WELL WITH PRODUCTION STRING MULTIPLE UNTIGHT SECTIONS 2010
  • Kustyshev Igor' Aleksandrovich
  • Kustyshev Denis Aleksandrovich
  • Chizhov Ivan Vasil'Evich
  • Afanas'Ev Akhnaf Vasil'Evich
  • Rakhimov Stanislav Nikolaevich
  • Kustyshev Aleksandr Vasil'Evich
RU2441135C1
GAS WELL CONSERVATION METHOD 2005
  • Kustyshev Aleksandr Vasil'Evich
  • Zozulja Grigorij Pavlovich
  • Kustyshev Igor' Aleksandrovich
  • Shcherbich Nikolaj Efimovich
  • Obidnov Viktor Borisovich
  • Kustyshev Denis Aleksandrovich
RU2301880C2

RU 2 588 499 C1

Authors

Zhuravlev Valerij Vladimirovich

Kustyshev Aleksandr Vasilevich

Panikarovskij Evgenij Valentinovich

Kustysheva Irina Nikolaevna

Dates

2016-06-27Published

2015-03-25Filed