JP6209936B2 - 地盤に井戸を構築する方法、この方法で用いられる希釈剤及び洗浄材 - Google Patents
地盤に井戸を構築する方法、この方法で用いられる希釈剤及び洗浄材 Download PDFInfo
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Description
Claims (3)
- 地盤に井戸を構築する井戸の構築方法であって、
生分解性高分子を含有する安定液を注入しつつ削孔を行うことで、前記地盤に孔を形成する削孔工程と、
泥水の粘度を低下させる分散剤を含有する希釈液を前記孔に注入することで、前記孔内の泥水に含まれる土砂を沈降させる希釈工程と、
前記生分解性高分子を分解可能な酵素を含有する洗浄液を前記孔に注入することで、前記孔内の泥膜を分解する洗浄工程と、を行うことを特徴とする井戸の構築方法。 - 生分解性高分子を含有する安定液を注入しつつ削孔を行うことで、地盤に孔を形成する削孔工程と、希釈液を前記孔に注入することで、孔内の泥水に含まれる土砂を沈降させる希釈工程と、前記生分解性高分子を分解可能な酵素を含有する洗浄液を前記孔に注入することで、前記孔内の泥膜を分解する洗浄工程とを行い、前記地盤に井戸を構築する井戸の構築方法に用いられ、
前記希釈液を作製するための希釈剤であって、前記泥水の粘度を低下させる分散剤を含有することを特徴とする希釈剤。 - 生分解性高分子を含有する安定液を注入しつつ削孔を行うことで、地盤に孔を形成する削孔工程と、泥水の粘度を低下させる分散剤を含有する希釈液を前記孔に注入することで、孔内の泥水に含まれる土砂を沈降させる希釈工程と、洗浄液を前記孔に注入することで、前記孔内の泥膜を分解する洗浄工程とを行い、前記地盤に井戸を構築する井戸の構築方法に用いられ、
前記洗浄液を作製するための洗浄材であって、前記生分解性高分子を分解可能な酵素を含有することを特徴とする洗浄材。
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| JP2023005190A (ja) * | 2021-06-28 | 2023-01-18 | 清水建設株式会社 | 井戸の施工方法 |
| JP7724035B1 (ja) * | 2025-07-02 | 2025-08-15 | 株式会社pate.to | ベーラー装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0796675B2 (ja) * | 1988-12-20 | 1995-10-18 | 第一工業製薬株式会社 | 掘削安定液用分散剤 |
| JPH0729120B2 (ja) * | 1990-02-08 | 1995-04-05 | 神奈川県 | 難脱水性沈降物の脱水濃縮法 |
| JPH0784587B2 (ja) * | 1991-07-05 | 1995-09-13 | 日本製紙株式会社 | 安定液の再分散方法 |
| JPH0517932A (ja) * | 1991-07-15 | 1993-01-26 | Konoike Constr Ltd | 安定液を用いて掘削した孔壁面の透水化工法 |
| JPH06116989A (ja) * | 1992-10-01 | 1994-04-26 | N S T Entetsuku Kk | 真空抽出法における抽出井戸水位管理及び井戸内洗浄 方法 |
| US5955401A (en) * | 1996-05-17 | 1999-09-21 | Baroid Technology, Inc. | Clay-free biodegradable wellbore fluid and method for using same fluid |
| JP3624752B2 (ja) * | 1999-08-06 | 2005-03-02 | 東亞合成株式会社 | 土木建設泥水の脱水方法 |
| WO2009089267A2 (en) * | 2008-01-10 | 2009-07-16 | M-I L.L.C. | Viscoelastic surfactant based wellbore fluids and methods of use |
| US20130146289A1 (en) * | 2011-12-07 | 2013-06-13 | Saudi Arabian Oil Company | Two-stage filter cake removal composition for drilling fluids and method of use thereof |
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