EA201991026A1 - HIGH DENSITY WATER FLUIDS - Google Patents

HIGH DENSITY WATER FLUIDS

Info

Publication number
EA201991026A1
EA201991026A1 EA201991026A EA201991026A EA201991026A1 EA 201991026 A1 EA201991026 A1 EA 201991026A1 EA 201991026 A EA201991026 A EA 201991026A EA 201991026 A EA201991026 A EA 201991026A EA 201991026 A1 EA201991026 A1 EA 201991026A1
Authority
EA
Eurasian Patent Office
Prior art keywords
present
bromide
water
zinc
free aqueous
Prior art date
Application number
EA201991026A
Other languages
Russian (ru)
Other versions
EA039138B1 (en
Inventor
Кристофер Дж. Налепа
Якобус Н. Лауэн
Юньци Лю
Грегори Х. Ламбет
Сриниваса С. Годавартхи
Кевин Коппола
Original Assignee
Альбемарл Корпорейшн
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Альбемарл Корпорейшн filed Critical Альбемарл Корпорейшн
Publication of EA201991026A1 publication Critical patent/EA201991026A1/en
Publication of EA039138B1 publication Critical patent/EA039138B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/05—Aqueous well-drilling compositions containing inorganic compounds only, e.g. mixtures of clay and salt
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells

Abstract

Настоящее изобретение относится к композициям бесцинкового водного солевого раствора. Эти композиции бесцинкового водного солевого раствора имеют плотность примерно 14,3 фунтов на галлон (1,71 кг/л) или больше и истинную температуру кристаллизации примерно 20°F (-6,7°C) или ниже и содержат воду и одну или несколько неорганических бромидных солей, при условии, что когда присутствует бромид кальция, присутствует также одна или несколько других водорастворимых неорганических солей, когда присутствует бромид лития, бромид кальция отсутствует, когда присутствует бромид висмута(III), присутствует также одна или несколько других водорастворимых неорганических солей, и когда присутствует бромид марганца(II) и истинная температура кристаллизации составляет примерно 10°F (-12,2°C) или ниже, присутствует также одна или несколько других водорастворимых неорганических солей. Предлагаются также способы образования этих композиций бесцинкового водного солевого раствора.The present invention relates to zinc-free aqueous saline compositions. These zinc-free aqueous brine compositions have a density of about 14.3 pounds per gallon (1.71 kg/L) or greater and a true crystallization temperature of about 20°F (-6.7°C) or less, and contain water and one or more inorganic bromide salts, provided that when calcium bromide is present, one or more other water-soluble inorganic salts are also present, when lithium bromide is present, no calcium bromide is present, when bismuth(III) bromide is present, one or more other water-soluble inorganic salts are also present, and when manganese(II) bromide is present and the true crystallization temperature is about 10°F (-12.2°C) or lower, one or more other water-soluble inorganic salts are also present. Methods are also provided for forming these zinc-free aqueous brine compositions.

EA201991026A 2015-06-26 2015-07-23 High density aqueous well fluids EA039138B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201562185171P 2015-06-26 2015-06-26

Publications (2)

Publication Number Publication Date
EA201991026A1 true EA201991026A1 (en) 2019-12-30
EA039138B1 EA039138B1 (en) 2021-12-09

Family

ID=69061902

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201991026A EA039138B1 (en) 2015-06-26 2015-07-23 High density aqueous well fluids

Country Status (1)

Country Link
EA (1) EA039138B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL153232A0 (en) * 2002-12-02 2003-07-06 Bromine Compounds Ltd PREPARATION OF CaBr2 HYDRATES AND USES THEREOF
US20050101490A1 (en) * 2003-11-11 2005-05-12 Vollmer Daniel P. Cellulosic suspensions of alkali formate and method of using the same
MX2007007279A (en) * 2004-12-14 2007-08-14 Mi Llc High density brines for use in wellbore fluids.
US9650558B2 (en) * 2011-02-02 2017-05-16 Baker Hughes Incorporated Oil field treatment fluids

Also Published As

Publication number Publication date
EA039138B1 (en) 2021-12-09

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