SU893994A1 - Clayless washing mud and its production method - Google Patents
Clayless washing mud and its production method Download PDFInfo
- Publication number
- SU893994A1 SU893994A1 SU772547077A SU2547077A SU893994A1 SU 893994 A1 SU893994 A1 SU 893994A1 SU 772547077 A SU772547077 A SU 772547077A SU 2547077 A SU2547077 A SU 2547077A SU 893994 A1 SU893994 A1 SU 893994A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- polymer
- magnesium sulfate
- solution
- calcium
- clay
- Prior art date
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Description
(54) БЕЗГЛИНИСТЬЙ ПРОМНВОЧНШ РАСТВОР И СПОСОБ ЕГО:ПОЛУЧЕНИЯ(54) PLAINLESS PLASTIC SOLUTION AND ITS WAY: OBTAINING
II
Изобретение относитс к растворам дл заполнени и промывки горных вь работок , а также дл промывки при бурении глубоких скважин на нефть и газ.The invention relates to solutions for filling and washing mining operations, as well as for washing when drilling deep wells for oil and gas.
Известны безглинистые раство1ма, например промывочный раствор на осно не гидрогел магни , состо щий из хлористых солей кали и магни , каустической соды и воды с последунмцей обработкой его химреагентами П .Known clay-free solutions, for example, a wash solution based on hydrogel magnesium, consisting of potassium and magnesium chloride salts, caustic soda and water, followed by its treatment with chemicals P.
Недостатки таких растворов - большое число ингредиентов в составе, сложна схема стабилизации с использованием нескольких химреагентов,повышенна фильтраци и сложность приготовлени . По этим причинам указанные растворы примен ютс дл бурени только в мощных соленых толщах.The drawbacks of such solutions are a large number of ingredients in the composition, a complex stabilization scheme using several chemicals, increased filtration and preparation complexity. For these reasons, these solutions are used for drilling only in thick saline strata.
Известен также безглинистый промывочный раствор на основе воды, содержащий сульфат магни , хлорид кальии и полимер 2 .Also known is a non-clay water based wash solution containing magnesium sulphate, calcium chloride and polymer 2.
Однако такой раствор имеет невысокую стабильность, поскольку тверда фаза диспергирована механически.However, such a solution has a low stability, since the solid phase is mechanically dispersed.
Известен безглинистый промывочный раствор, содержащий хлористый кальций и сернокиагаый магний, полимер и воду, при следукщем соотношении компонентов , вес. %:Known non-clay wash solution containing calcium chloride and sulphide magnesium, polymer and water, with the following ratio of components, weight. %:
Хлористый кальций Calcium chloride
15-20 15-20
10 Сернокислый магний 15-20 Полимер 0,1 Вода10 Magnesium sulphate 15-20 Polymer 0,1 Water
Осталь-. ноеThe rest. a little
Получают этот раствор путем при15 готовлени рассолов смешением до образовани пасты и введением в нее полимера . Полимер создает оболочки вокруг кристаллов гипса, прекраща их рост и ; оставл при этом часть This solution is obtained by preparing brines by mixing until a paste is formed and the polymer is introduced into it. The polymer creates a shell around the gypsum crystals, stopping their growth and; left with the part
20 молекул электролитов непрореагировавшими . Известный расвтор обладает высокой степенью тикостронности, требующей дл обеспечени возможности20 electrolyte molecules unreacted. Known rasvtor has a high degree of tikostronnosti demanding
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772547077A SU893994A1 (en) | 1977-11-22 | 1977-11-22 | Clayless washing mud and its production method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772547077A SU893994A1 (en) | 1977-11-22 | 1977-11-22 | Clayless washing mud and its production method |
Publications (1)
Publication Number | Publication Date |
---|---|
SU893994A1 true SU893994A1 (en) | 1981-12-30 |
Family
ID=20734579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU772547077A SU893994A1 (en) | 1977-11-22 | 1977-11-22 | Clayless washing mud and its production method |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU893994A1 (en) |
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1977
- 1977-11-22 SU SU772547077A patent/SU893994A1/en active
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