COMPOSITION FOR SECONDARILY OPENING PRODUCTIVE OIL BED Russian patent published in 1999 - IPC

Abstract RU 2133258 C1

FIELD: oil and gas production. SUBSTANCE: composition designed for use when drilling and rebuilding oil and gas wells as perforation fluid contains, wt. %: polyacrylamide, 0.0003-0.0015; nonionic surfactant, 0.003-0.01; peroxide compound-based reagent, 0.1-0.5; and potassium and/or sodium salt-mineralized water, the balance. As a result, composition is conferred on property to completely restore permeability of bottom zone of productive oil bed mudded with polymer-containing drilling fluid in the course of drilling and simultaneously to prevent formation of water-oil emulsion on appearance of bed fluids in hole and to break water-oil emulsion escaping bed. EFFECT: improved performance characteristics. 3 tbl

Similar patents RU2133258C1

Title Year Author Number
METHOD OF PROCESSING PRIMARILY FLAT HORIZONTAL WELL HOLE FOR REMOVAL OF MUD BULK FROM BOTTOM-HOLE FORMATION ZONE 2011
  • Il'Jasov Sergej Evgen'Evich
  • Natsepinskaja Aleksandra Mikhajlovna
  • Garshina Ol'Ga Vladimirovna
  • Kokhan Konstantin Vladimirovich
  • Voevodkin Vadim Leonidovich
  • Grebneva Faina Nikolaevna
RU2467163C1
METHOD FOR COLMATAGE REMOVAL FROM BOTTOMHOLE FORMATION ZONE UPON FIRST OPENING TO RESTORE PERMEABILITY AND POROSITY OF HEADER 2013
  • Voevodkin Vadim Leonidovich
  • Natsepinskaja Aleksandra Mikhajlovna
  • Garshina Ol'Ga Vladimirovna
  • Il'Jasov Sergej Evgen'Evich
  • Kokhan Konstantin Vladimirovich
  • Grebneva Faina Nikolaevna
RU2540767C1
CLAYLESS DRILLING FLUID 1998
  • Kazakova L.V.
  • Natsepinskaja A.M.
  • Mosin V.P.
  • Juzhaninov P.M.
  • Tataurov V.G.
  • Il'Jasov S.E.
RU2136716C1
HYDROPHOBIC MICELLAR ACID-BASED COMPOUND FOR KILLING, DEVELOPMENT AND COMPLETION OF PRODUCING STRATA DRILLED WITH USE OF NON-AQUEOUS BASED MUDS 2014
  • Il'Jasov Sergej Evgen'Evich
  • Okromelidze Gennadij Vladimirovich
  • Garshina Ol'Ga Vladimirovna
  • Khvoshchin Pavel Aleksandrovich
  • Nekrasova Irina Leonidovna
  • Popov Semen Georgievich
  • Borovkova Irina Sergeevna
RU2540742C1
HYDROCARBON-BASED EMULSION DRILLING MUD 2002
  • Kotel'Nikov V.A.
  • Angelopulo O.K.
  • Shchukin V.N.
  • Lubjanyj D.A.
  • Evstifeev S.V.
  • Shits L.A.
RU2211239C1
METHOD OF MULTIPHASE MUDDING OF PRODUCTIVE STRATUM 2002
  • Magalimov A.A.
  • Sidorov L.S.
  • Takhautdinov R.Sh.
RU2235750C1
REAGENT FOR TREATMENT OF DRILLING MUD 1999
  • Natsepinskaja A.M.
  • Tataurov V.G.
  • Grebneva F.N.
  • Garshina O.V.
  • Sukhikh Ju.M.
  • Zakharov E.G.
  • Okromelidze G.V.
  • Fefelov Ju.V.
RU2154084C1
COMPOSITION FOR REPEATED EXPOSURE OF PRODUCING OIL FORMATION 1990
  • Krysin N.I.
  • Ishmukhametova A.M.
  • Isaev M.G.
  • Popova N.A.
  • Rybka V.S.
  • Gorshenev S.A.
  • Il'Jasov S.E.
SU1804722A3
WELL CONSTRUCTION METHOD 2010
  • Gazizov Ajdar Almazovich
  • Gazizov Almaz Shakirovich
  • Shastina Elena Igorevna
RU2429338C1
METHOD OF PREPARING WELLS TO CEMENTATION 1999
  • Tataurov V.G.
  • Natsepinskaja A.M.
  • Il'Jasov S.E.
  • Kuznetsova O.G.
  • Sukhikh Ju.M.
  • Fefelov Ju.V.
RU2137906C1

RU 2 133 258 C1

Authors

Tataurov V.G.

Natsepinskaja A.M.

Grebneva F.N.

Dates

1999-07-20Published

1997-06-06Filed