RU2018100267A - Буровые текучие среды и способы их применения - Google Patents

Буровые текучие среды и способы их применения Download PDF

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RU2018100267A
RU2018100267A RU2018100267A RU2018100267A RU2018100267A RU 2018100267 A RU2018100267 A RU 2018100267A RU 2018100267 A RU2018100267 A RU 2018100267A RU 2018100267 A RU2018100267 A RU 2018100267A RU 2018100267 A RU2018100267 A RU 2018100267A
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nanocomposite
drilling
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drilling mud
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RU2740054C2 (ru
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Марио Роберто РОХАС
Виттория БАЛЗАМО ДЕ ЭРНАНДЕС
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ЭКОЛАБ ЮЭсЭй ИНК.
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    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02Well-drilling compositions
    • C09K8/04Aqueous well-drilling compositions
    • C09K8/06Clay-free compositions
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    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates
    • C04B14/06Quartz; Sand
    • C04B14/062Microsilica, e.g. colloïdal silica
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    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10Coating or impregnating
    • C04B20/1018Coating or impregnating with organic materials
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    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
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    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
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    • C09K8/46Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
    • C09K8/467Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
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    • C09K8/50Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
    • C09K8/516Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls characterised by their form or by the form of their components, e.g. encapsulated material
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/003Means for stopping loss of drilling fluid
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/13Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/14Methods or devices for cementing, for plugging holes, crevices or the like for cementing casings into boreholes
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    • C04B2103/00Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0045Polymers chosen for their physico-chemical characteristics
    • C04B2103/0051Water-absorbing polymers, hydrophilic polymers
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    • C04B2103/00Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/46Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents
    • C04B2103/465Water-sorbing agents, hygroscopic or hydrophilic agents
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    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00008Obtaining or using nanotechnology related materials
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Claims (27)

1. Буровой раствор, содержащий
источник воды;
закупоривающий агент; и
нанокомпозит, содержащий структуру из ядра и оболочки, в которой ядро содержит наночастицу, имеющую средний размер частицы от примерно 5 нм до 500 нм; и оболочка содержит поперечно-сшитый полимер, содержащий акриламидные повторяющиеся звенья.
2. Буровой раствор по п. 1, отличающийся тем, что закупоривающий агент представляет собой карбонат кальция.
3. Буровой раствор по п. 1 или 2, отличающийся тем, что наночастица содержит диоксид кремния или диоксид титана.
4. Буровой раствор по любому из пп. 1-3, отличающийся тем, что наночастица гидрофобно модифицирована.
5. Буровой раствор по любому из пп. 1-4, отличающийся тем, что полимер дополнительно содержит повторяющиеся звенья, полученные из акриловой кислоты или ее соли, 2-акрилоиламино-2-метилпропан-1-сульфоновой кислоты или ее соли, или комбинации двух или более из них.
6. Буровой раствор по любому из пп. 1-5, отличающийся тем, что сшивающий агент представляет собой N,N'-метиленбисакриламид.
7. Буровой раствор по любому из пп. 1-6, отличающийся тем, что массовое отношение наночастицы к полимеру составляет от примерно 1:100 до 50:50.
8. Буровой раствор по любому из пп. 1-7, отличающийся тем, что нанокомпозит присутствует в растворе в концентрации от примерно 0,5 мас. % до 5 мас. % по массе.
9. Буровой раствор, полученный способом, включающим
a. получение латекса типа «вода в масле», содержащего масло, латексное поверхностно-активное вещество, воду, сшивающий агент и наночастицы, имеющие средний размер частиц от примерно 5 нм до 100 нм;
b. обеспечения воздействия на латекс условий, в которых он полимеризуется с получением нанокомпозитного латекса;
c. необязательно высушивание нанокомпозитного латекса с получением нанокомпозита; и
d. добавление закупоривающего агента и источника воды в нанокомпозит или нанокомпозитный латекс с получением бурового раствора.
10. Буровой раствор по п. 9, отличающийся тем, что латекс не высушивают перед добавлением закупоривающего агента и источника воды.
11. Способ бурения с промывкой, включающий
подачу в ствол скважины углеводородсодержащей горной породы бурового раствора, содержащего источник воды, закупоривающий агент и нанокомпозит, содержащий структуру из ядра и оболочки, в которой ядро содержит наночастицу, имеющую средний размер частицы от примерно 10 нм до 100 нм, и оболочка содержит поперечно-сшитый полимер, содержащий акриламидные повторяющиеся звенья; и
бурение в стволе скважины.
12. Способ по п. 11, отличающийся тем, что часть ствола скважины имеет температуру от примерно 80 ˚C до 200 ˚C, источник воды с высоким общим содержанием твердых веществ или оба варианта.
13. Цементирующая композиция, содержащая
источник воды;
цемент; и
нанокомпозит, содержащий структуру из ядра и оболочки, в которой ядро содержит наночастицу, имеющую средний размер частицы от примерно 5 до 500 нм, и оболочка содержит поперечно-сшитый полимер, содержащий акриламидные повторяющиеся звенья.
14. Применение при бурении с промывкой нанокомпозита, содержащего структуру из ядра и оболочки, в которой ядро содержит наночастицу, имеющую средний размер частицы от примерно 5 нм до 500 нм, и оболочка содержит поперечно-сшитый полимер, содержащий акриламидные повторяющиеся звенья.
15. Применение бурового раствора по любому из пп. 1-10 для бурения с промывкой.
RU2018100267A 2015-06-11 2016-06-09 Буровые текучие среды и способы их применения RU2740054C2 (ru)

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US201562174300P 2015-06-11 2015-06-11
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PCT/US2016/036624 WO2016201061A1 (en) 2015-06-11 2016-06-09 Drilling fluids and methods of use

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