RU97109207A - WAY OF REAGENT TREATMENT OF WELLS - Google Patents

WAY OF REAGENT TREATMENT OF WELLS

Info

Publication number
RU97109207A
RU97109207A RU97109207/03A RU97109207A RU97109207A RU 97109207 A RU97109207 A RU 97109207A RU 97109207/03 A RU97109207/03 A RU 97109207/03A RU 97109207 A RU97109207 A RU 97109207A RU 97109207 A RU97109207 A RU 97109207A
Authority
RU
Russia
Prior art keywords
solution
technological
surfactant
wells
medium
Prior art date
Application number
RU97109207/03A
Other languages
Russian (ru)
Other versions
RU2106484C1 (en
Inventor
В.Т. Гребенников
Абдельазиз Али-аль Куайти
Original Assignee
В.Т. Гребенников
Абдельазиз Али-аль Куайти
Filing date
Publication date
Application filed by В.Т. Гребенников, Абдельазиз Али-аль Куайти filed Critical В.Т. Гребенников
Priority to RU97109207A priority Critical patent/RU2106484C1/en
Priority claimed from RU97109207A external-priority patent/RU2106484C1/en
Application granted granted Critical
Publication of RU2106484C1 publication Critical patent/RU2106484C1/en
Publication of RU97109207A publication Critical patent/RU97109207A/en

Links

Claims (1)

Способ реагентной обработки скважин, включающей последовательную закачку в пласт технологических растворов с кислой, нейтральной и щелочной реакцией среды, взаимодействующих с кольматирующими образованиями природного и/или техногенного генезиса, отличающийся тем, что первоначально в пласт подают в качестве технологического раствора с кислой реакцией среды 5 - 12% водный раствор натрия бисульфат с добавкой ПАВ 0,5 - 2,0% в объеме, равном объему пор обрабатываемой зоны, оставляют его на реагирование на 2 - 6 часов, после чего в пласт подают в качестве технологического раствора с нейтральной реакцией среды 0,2 - 0,5% буферный водный раствор ПАВ в объеме 0,5 - 1,5 м3 и затем в качестве технологического раствора с щелочной реакцией среды 5 - 8% водный раствор натрия бикарбонат с добавкой 0,4 - 1,5% ПАВ в объеме, равном 0,6 - 0,8 объема первого технологического раствора, после чего производят освоение скважины до достижения пластового флюида из скважины.A method of reagent treatment of wells, including the sequential injection of technological solutions into the formation with an acidic, neutral and alkaline reaction of the medium interacting with the clogging formations of natural and / or technogenic genesis, characterized in that initially the reservoir is supplied with a technological solution with an acidic reaction of the medium 5 - A 12% aqueous solution of sodium bisulfate with the addition of a surfactant of 0.5 - 2.0% in a volume equal to the pore volume of the treated zone, leave it to react for 2 to 6 hours, after which it is fed into the reservoir stve technological solution with neutral pH of 0.2 - 0.5% buffered aqueous solution of the surfactant in the amount of 0.5 - 1.5 m 3 and then as a process solution having an alkaline reaction medium is 5 - 8% aqueous sodium bicarbonate solution was supplemented with 0.4 - 1.5% surfactant in a volume equal to 0.6 - 0.8 of the volume of the first technological solution, after which the well is developed until the formation fluid from the well is reached.
RU97109207A 1997-06-03 1997-06-03 Method for reagent treatment of well RU2106484C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU97109207A RU2106484C1 (en) 1997-06-03 1997-06-03 Method for reagent treatment of well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97109207A RU2106484C1 (en) 1997-06-03 1997-06-03 Method for reagent treatment of well

Publications (2)

Publication Number Publication Date
RU2106484C1 RU2106484C1 (en) 1998-03-10
RU97109207A true RU97109207A (en) 1998-09-10

Family

ID=20193692

Family Applications (1)

Application Number Title Priority Date Filing Date
RU97109207A RU2106484C1 (en) 1997-06-03 1997-06-03 Method for reagent treatment of well

Country Status (1)

Country Link
RU (1) RU2106484C1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2617135C1 (en) * 2015-12-22 2017-04-21 Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий - Газпром ВНИИГАЗ" Method of cleaning bottomhole zone from clay formations
RU2679936C1 (en) * 2018-03-06 2019-02-14 Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий - Газпром ВНИИГАЗ" Method of cleaning bottomhole formation zone from clay formations
RU2693056C1 (en) * 2018-05-16 2019-07-01 Общество с ограниченной ответственностью "Научное предприятие "Технологии прогресса" Method for reagent processing of well
RU2708924C1 (en) * 2018-12-27 2019-12-12 Общество с ограниченной ответственностью "Фонд НДК" Method of increasing oil recovery of carbonate oil formation with recovery of formation pressure
RU2728401C1 (en) * 2019-06-14 2020-07-29 Публичное акционерное общество «Татнефть» имени В.Д. Шашина Acid treatment method of productive formation

Similar Documents

Publication Publication Date Title
US4056146A (en) Method for dissolving clay
EG23268A (en) A novel fluid system having controllable reversible viscosity.
ATE243297T1 (en) METHOD AND AQUEOUS LIQUIDS WHICH USE HYDROPHOBIC MODIFIED GUARGUMS TO REDUCE FLUID LOSSES
PL188964B1 (en) Method of intensifying methane production from underground coal beds
RU93051355A (en) METHOD FOR REGULATING IRON IN AQUEOUS LIQUID FOR HYDRAULIC FRACTURE OF OIL LAYER
RU97109207A (en) WAY OF REAGENT TREATMENT OF WELLS
RU2000110874A (en) METHOD FOR DEVELOPMENT OF OIL DEPOSIT IN CARBONATE COLLECTORS OF CRACKED-POROUS TYPE
US4773483A (en) Method for selectively plugging subterranean formations with polysulfides
RU2106484C1 (en) Method for reagent treatment of well
SU1063952A1 (en) Method of declaying water wells
RU2086760C1 (en) Method for removing sedimentations from injection wells
RU95113060A (en) METHOD FOR UNDENSELING COAL LAYER (OPTIONS)
EP0196199A3 (en) Stabilizing polysaccharide solutions for tertiary oil recovery at elevated temperature
RU2134344C1 (en) Method of treating oil bed
RU2110678C1 (en) Method for treating bottom-hole zone of bed
RU2166076C1 (en) Method of well treatment
SU1245716A1 (en) Method of preventive treatment of gas-bearing and outburst-hazardous coal seams
RU2139987C1 (en) Method for treating bottom-hole zone of bed
RU96107502A (en) METHOD FOR THERMOCHEMICAL TREATMENT OF BOTTOM-HOLE ZONE AND WELL BORE
US4773480A (en) Method for selectively plugging deep subterranean formations with polysulfides
RU2105141C1 (en) Method for development of oil deposit with low-permeable clay-bearing reservoir
SU1244252A1 (en) Method of agent treatment of well traversing sandy water-bearing beds
SU1268715A1 (en) Method of preventing deposition of inorganic salts in oilfield equipment
RU2052086C1 (en) Process of working of well in carbonate collector
RU2001252C1 (en) Method for increasing oil recovery