COMPOSITION FOR PREPARATION OF PROCESS LIQUIDS OF OIL AND GAS WELLS Russian patent published in 2008 - IPC C09K8/42 C09K8/52 C09K8/58 C09K8/60 

Abstract RU 2329290 C1

FIELD: chemistry.

SUBSTANCE: invention pertains to the oil-and-gas industry, and more specifically to compositions for preparing process liquids. The composition for preparing process liquids of oil and gas wells contains a source of salts in form of a flux of calcium nitrate, and at least, one component from the group: potassium chloride flux, carnallite flux, concentrate of mineral halite, with ratio of components, adding up to the following content of salt, in mass %: potassium chloride 25.0-60.0, magnesium chloride 1.0-28.0, calcium nitrate 1.0-50.0, sodium nitrate 5.0-75.0, and target additive 0.01-1.5 % of the mass of the given mixture salts. The invention is developed in subclaims.

EFFECT: wide assortment of resources due to use of wastes of inorganic production with simultaneous increase of collector properties of the bottom-hole formation zone.

6 cl, 4 tbl, 1 ex

Similar patents RU2329290C1

Title Year Author Number
WELL KILLING METHOD 2005
  • Lazarev Sergej Grigor'Evich
RU2277629C1
METHOD FOR PRESERVING COLLECTING PROPERTIES OF FACE-ADJACENT AREA OF PRODUCTIVE BED OF OIL-EXTRACTIVE WELL 2003
  • Lazarev S.G.
RU2245998C1
METHOD OF WELL KILLING 2002
  • Lazarev S.G.
RU2212527C1
BASE FOR KILL FLUIDS AND WELL COMPLETION 2006
  • Kirillin Viktor Ivanovich
  • Matveev Jurij Gennad'Evich
  • Ashigjan Dmitrij Grigor'Evich
  • Jamaliev Vil' Uzbekovich
  • Grigor'Ev Sergej Jur'Evich
  • Pisarev Konstantin Aleksandrovich
RU2347797C2
HEAVY WELL-KILLING LIQUID WITHOUT SOLID PHASE WITH A DENSITY OF UP TO 1450 kg/m3 2021
  • Grosheva Tatyana Viktorovna
  • Prokoshev Valentin Valentinovich
  • Ryabkov Ivan Ivanovich
  • Usachev Evgenij Andreevich
RU2778752C1
METHOD FOR PREPARING PROCESS LIQUIDS OF OIL AND GAS WELLS 2008
RU2387687C2
WELL STOPPING METHOD 2003
  • Drinevskij S.A.
RU2250360C1
METHOD FOR TEMPORARILY BLOCKING A PRODUCTIVE FORMATION UNDER CONDITIONS OF ABNORMALLY LOW FORMATION PRESSURES 2022
  • Gasumov Ramiz Alidzhavad-Ogly
  • Minchenko Yuliya Sergeevna
  • Kostyukov Sergej Vladimirovich
  • Tolpaev Vladimir Aleksandrovich
RU2788935C1
OIL-AND-GAS WELL KILL FLUID 2005
  • Volkov Vladimir Anatol'Evich
  • Belikova Valentina Georgievna
  • Turapin Aleksej Nikolaevich
RU2279462C1
HEAVY WELL-KILLING LIQUID WITHOUT SOLID PHASE WITH A DENSITY OF UP TO 1600 kg/m 2021
  • Grosheva Tatyana Viktorovna
  • Prokoshev Valentin Valentinovich
  • Ryabkov Ivan Ivanovich
  • Usachev Evgenij Andreevich
RU2782915C1

RU 2 329 290 C1

Authors

Lazarev Sergej Grigor'Evich

Dates

2008-07-20Published

2006-12-08Filed