CN107903881B - 一种高温高密度高矿化度水基钻井液的聚合物降滤失剂 - Google Patents
一种高温高密度高矿化度水基钻井液的聚合物降滤失剂 Download PDFInfo
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- CN107903881B CN107903881B CN201711097202.2A CN201711097202A CN107903881B CN 107903881 B CN107903881 B CN 107903881B CN 201711097202 A CN201711097202 A CN 201711097202A CN 107903881 B CN107903881 B CN 107903881B
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- 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
- C09K8/06—Clay-free compositions
- C09K8/12—Clay-free compositions containing synthetic organic macromolecular compounds or their precursors
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
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Abstract
Description
钻井液配方 | 单位 | 实验1 | 实验2 | 实验3 |
饱和盐水 | 克 | 286 | 294 | 293 |
碳酸氢钠 | 克 | 0.5 | 0.5 | 0.5 |
氢氧化钠 | 克 | 1.5 | 1.5 | 1.5 |
聚合物A | 克 | 2 | 2 | 2 |
聚合物B | 克 | 4 | 2 | 3 |
聚合物C | 克 | 2 | 2 | 3 |
亚硫酸钠 | 克 | 1.50 | 1.50 | 1.50 |
石墨 | 克 | 4 | 4 | 4 |
重晶石 | 克 | 376 | 380 | 375 |
黄原胶 | 克 | 0.12 | 0.15 | 0.15 |
超细钙 | 克 | 23 | 13 | 13 |
Claims (11)
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CN201711097202.2A CN107903881B (zh) | 2017-11-09 | 2017-11-09 | 一种高温高密度高矿化度水基钻井液的聚合物降滤失剂 |
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CN201711097202.2A CN107903881B (zh) | 2017-11-09 | 2017-11-09 | 一种高温高密度高矿化度水基钻井液的聚合物降滤失剂 |
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CN107903881A CN107903881A (zh) | 2018-04-13 |
CN107903881B true CN107903881B (zh) | 2020-09-08 |
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CN112979883B (zh) * | 2021-03-17 | 2022-03-25 | 江苏富淼科技股份有限公司 | 一种抗高温抗盐型聚合物、其制备方法和应用 |
CN114181682A (zh) * | 2021-12-21 | 2022-03-15 | 中海油田服务股份有限公司 | 抗高温抗盐交联聚合物降滤失剂及其制备方法和应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1630181A1 (de) * | 2004-07-22 | 2006-03-01 | Clariant GmbH | Thermostabiles, wasserlösliches, bei hohen Temperaturen vernetzbares Polymer |
CN104311730A (zh) * | 2014-08-22 | 2015-01-28 | 中国石油化工集团公司 | 一种钻井液用增黏剂及其制备方法 |
CN105017474A (zh) * | 2014-04-29 | 2015-11-04 | 中国石油化工股份有限公司 | 一种低摩阻降滤失剂及其制备方法与应用 |
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US9816022B2 (en) * | 2013-05-31 | 2017-11-14 | Halliburton Energy Services, Inc. | Ampholyte polymeric compounds in subterranean applications |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1630181A1 (de) * | 2004-07-22 | 2006-03-01 | Clariant GmbH | Thermostabiles, wasserlösliches, bei hohen Temperaturen vernetzbares Polymer |
CN105017474A (zh) * | 2014-04-29 | 2015-11-04 | 中国石油化工股份有限公司 | 一种低摩阻降滤失剂及其制备方法与应用 |
CN104311730A (zh) * | 2014-08-22 | 2015-01-28 | 中国石油化工集团公司 | 一种钻井液用增黏剂及其制备方法 |
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