JP2016164332A - 海底資源の採掘方法及び海底資源採掘用スラリー - Google Patents
海底資源の採掘方法及び海底資源採掘用スラリー Download PDFInfo
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- 239000002002 slurry Substances 0.000 title claims abstract description 67
- 238000005065 mining Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000011247 coating layer Substances 0.000 claims abstract description 23
- 230000005484 gravity Effects 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 5
- 230000006866 deterioration Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000013535 sea water Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
【解決手段】海底表面10の上にスラリーを流出させ、スラリーで海底表面を覆い被覆層12を形成する被覆層形成工程を行う。被覆層12の下方に位置する海底資源を採掘する採掘工程を行う。
【選択図】図3
Description
まず、被覆層形成工程を行う。具体的には、図1に示すように、海底表面10の上にスラリー11を流出させる。そうすることにより、海底表面10のうち、海底資源を採掘しようとする部分を覆う。その後、スラリー11は、図2に示す被覆層12を形成する。被覆層12は、海底表面10のうち、少なくとも、海底資源を採掘しようとする部分を覆っている。
次に、被覆層12の下方に位置する海底資源を採掘する(採掘工程)。具体的には、図3に示すように、パイプ13を被覆層12を貫通させて海底に挿入する。そして、そのパイプ13を経由して、被覆層12の下方に位置している海底資源を採掘する。
11 スラリー
12 被覆層
13 パイプ
Claims (6)
- 海底表面の上にスラリーを流出させ、前記スラリーで海底表面を覆い、被覆層を形成する被覆層形成工程と、
前記被覆層の下方に位置する海底資源を採掘する採掘工程と、
を備える、海底資源の採掘方法。 - 前記採掘工程において、パイプを前記被覆層を貫通させて海底に挿入し、前記パイプを経由して海底資源を採掘する、請求項1に記載の海底資源の採掘方法。
- 前記スラリーとして、比重が2.5g/cm3以下のスラリーを用いる、請求項1又は2に記載の海底資源の採掘方法。
- 前記被覆層形成工程において、懸濁物質量が、1000mg/l以下となるように、前記スラリーを流出させる、請求項1〜3のいずれか一項に記載の海底資源の採掘方法。
- 前記スラリーとして、水硬性スラリーを用いる、請求項1〜4のいずれか一項に記載の海底資源の採掘方法。
- 前記スラリーとして、非水硬性スラリーを用いる、請求項1〜4のいずれか一項に記載の海底資源の採掘方法。
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JPH02240323A (ja) * | 1989-03-13 | 1990-09-25 | Nippon Kaihatsu Doboku Kk | 低流動性コンクリート・モルタルの水中打設方法 |
JPH03235814A (ja) * | 1990-02-14 | 1991-10-21 | Hazama Gumi Ltd | 固化材料の水中打設装置および水中打設方法 |
JP2003214082A (ja) * | 2002-01-18 | 2003-07-30 | Tobishima Corp | ガスハイドレート掘採方法とその装置 |
JP2004044148A (ja) * | 2002-07-10 | 2004-02-12 | Kajima Corp | 地盤改良工法 |
JP3106588U (ja) * | 2004-07-14 | 2005-01-06 | 有限会社ベル工業 | 土壌ガス採集器具 |
JP2012021357A (ja) * | 2010-07-16 | 2012-02-02 | Taiyo Kogyo Corp | 海底に噴出した原油の回収方法 |
JP2012172418A (ja) * | 2011-02-22 | 2012-09-10 | Nippon Steel Engineering Co Ltd | メタンハイドレートからのメタンガス採取装置及びメタンハイドレートからのメタンガス採取方法 |
US20130074757A1 (en) * | 2011-08-12 | 2013-03-28 | Mcalister Technologies, Llc | Systems and methods for extracting and processing gases from submerged sources |
JP2013529729A (ja) * | 2010-06-22 | 2013-07-22 | カギ,エイドリアン | 水中の油井の暴噴後の油流出を克服する方法、及び、方法を実行するための設備 |
JP2014111248A (ja) * | 2013-03-28 | 2014-06-19 | Penta Ocean Construction Co Ltd | 汚染浮泥の封じ込め工法及びそれに使用する水中打設装置 |
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2015
- 2015-03-06 JP JP2015044312A patent/JP6565226B2/ja active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02240323A (ja) * | 1989-03-13 | 1990-09-25 | Nippon Kaihatsu Doboku Kk | 低流動性コンクリート・モルタルの水中打設方法 |
JPH03235814A (ja) * | 1990-02-14 | 1991-10-21 | Hazama Gumi Ltd | 固化材料の水中打設装置および水中打設方法 |
JP2003214082A (ja) * | 2002-01-18 | 2003-07-30 | Tobishima Corp | ガスハイドレート掘採方法とその装置 |
JP2004044148A (ja) * | 2002-07-10 | 2004-02-12 | Kajima Corp | 地盤改良工法 |
JP3106588U (ja) * | 2004-07-14 | 2005-01-06 | 有限会社ベル工業 | 土壌ガス採集器具 |
JP2013529729A (ja) * | 2010-06-22 | 2013-07-22 | カギ,エイドリアン | 水中の油井の暴噴後の油流出を克服する方法、及び、方法を実行するための設備 |
JP2012021357A (ja) * | 2010-07-16 | 2012-02-02 | Taiyo Kogyo Corp | 海底に噴出した原油の回収方法 |
JP2012172418A (ja) * | 2011-02-22 | 2012-09-10 | Nippon Steel Engineering Co Ltd | メタンハイドレートからのメタンガス採取装置及びメタンハイドレートからのメタンガス採取方法 |
US20130074757A1 (en) * | 2011-08-12 | 2013-03-28 | Mcalister Technologies, Llc | Systems and methods for extracting and processing gases from submerged sources |
JP2014111248A (ja) * | 2013-03-28 | 2014-06-19 | Penta Ocean Construction Co Ltd | 汚染浮泥の封じ込め工法及びそれに使用する水中打設装置 |
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