Speed-control plugging slurry, preparation method thereof and step-by-step plugging method
The invention relates to a speed control plugging slurry and a preparation method and a step-by-step plugging method thereof, the speed control plugging slurry comprises a plugging material and a special plugging material carrying fluid, the special plugging material carrying fluid comprises 100 par...
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Format | Patent |
Language | Chinese English |
Published |
25.11.2022
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Subjects | |
Online Access | Get full text |
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Abstract | The invention relates to a speed control plugging slurry and a preparation method and a step-by-step plugging method thereof, the speed control plugging slurry comprises a plugging material and a special plugging material carrying fluid, the special plugging material carrying fluid comprises 100 parts by weight of water and 3-5 parts by weight of a material suspending agent, and the plugging material comprises 5-8 parts by weight of a small particle size composite plugging agent and 6-12 parts by weight of a skeleton proppant. A material suspending agent is adopted to form a special plugging material carrying liquid, and a speed-controlled plugging slurry with a controllable filtration speed is formed, so that the plugging and stacking efficiency of the plugging material in a crack is improved; and a step-by-step plugging method that the particle size of the skeleton proppant is from small to large is utilized, the crack width factor does not need to be considered, and broad-spectrum crack plugging is achieve |
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AbstractList | The invention relates to a speed control plugging slurry and a preparation method and a step-by-step plugging method thereof, the speed control plugging slurry comprises a plugging material and a special plugging material carrying fluid, the special plugging material carrying fluid comprises 100 parts by weight of water and 3-5 parts by weight of a material suspending agent, and the plugging material comprises 5-8 parts by weight of a small particle size composite plugging agent and 6-12 parts by weight of a skeleton proppant. A material suspending agent is adopted to form a special plugging material carrying liquid, and a speed-controlled plugging slurry with a controllable filtration speed is formed, so that the plugging and stacking efficiency of the plugging material in a crack is improved; and a step-by-step plugging method that the particle size of the skeleton proppant is from small to large is utilized, the crack width factor does not need to be considered, and broad-spectrum crack plugging is achieve |
Author | ZHANG JUN GENG YUNPENG YU YANG LI WENXIA LU FEIFEI FAN SHENG LI YINTING LI SHUANGGUI QI BIAO SHEN QINGYUN FANG JING FANG JUNWEI GAO WEI ZHAI KEJUN |
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DocumentTitleAlternate | 一种控速堵漏浆及其制备方法和逐级堵漏方法 |
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RelatedCompanies | SINOPEC NORTHWEST OIL FIELD COMPANY CHINA PETROLEUM & CHEMICAL CORPORATION |
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Snippet | The invention relates to a speed control plugging slurry and a preparation method and a step-by-step plugging method thereof, the speed control plugging slurry... |
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SubjectTerms | ADHESIVES CHEMISTRY DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS POLISHES |
Title | Speed-control plugging slurry, preparation method thereof and step-by-step plugging method |
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