JP3856811B2 - 液中地層の掘削方法及び装置 - Google Patents
液中地層の掘削方法及び装置 Download PDFInfo
- Publication number
- JP3856811B2 JP3856811B2 JP2005129338A JP2005129338A JP3856811B2 JP 3856811 B2 JP3856811 B2 JP 3856811B2 JP 2005129338 A JP2005129338 A JP 2005129338A JP 2005129338 A JP2005129338 A JP 2005129338A JP 3856811 B2 JP3856811 B2 JP 3856811B2
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- JP
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- Prior art keywords
- laser
- liquid
- submerged
- formation
- pulse
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- Legal status (The legal status 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 status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B43/285—Melting minerals, e.g. sulfur
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/14—Drilling by use of heat, e.g. flame drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C45/00—Methods of hydraulic mining; Hydraulic monitors
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- Mining & Mineral Resources (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Laser Beam Processing (AREA)
- Earth Drilling (AREA)
- Lasers (AREA)
Description
(a)パルスレーザ及び/又は連続波レーザを出力し、レーザパルスエネルギー、レーザビーム品質、レーザパルス幅、レーザ周波数及びレーザ波長からなる群から選ばれた1又は複数のパラメータを調整可能な第1のレーザ発振手段、及び/又は
(b)パルスレーザ及び/又は連続波レーザを出力し、レーザ周波数及びレーザ波長調整可能な第2のレーザ発振手段、
(c)レーザ伝送手段、並びに
(d)レーザ照射手段
を備えたことを特徴とする液中地層の掘削装置である。
P=E×ν ……(1)
となる。ここで、Pはレーザ出力(W)、Eはパルスエネルギー(J)、νは繰り返し周波数である。レーザ出力Pを増加するためには、パルスエネルギーEを増加するか、繰り返し周波数νを増加するかいずれかの手段により達成することができる。
ここで、Fはフルエンス(J/cm2)、Eはパルスエネルギー(J)、Sは面積(cm2)である。
ここで、Iはレーザ強度(W/cm2)、tはパルス幅(sec)である。
ここで、D0はレンズ上のレーザビーム径(半径)、fはレンズの集光距離、λはレーザ波長、M2はビーム品質の評価に使用する特性値である。
13,14 レーザビット
20 レーザ伝送手段
21a,21b,21c,21d,… 単一ファイバ
30 レーザ照射手段
31 レーザ誘起衝撃波発生手段(レーザ照射手段)
32 レーザ誘起衝撃波
33 レーザ誘起ジェット発生手段(レーザ照射手段)
34 レーザ誘起ジェット
35 レーザ誘起音波発生手段(レーザ照射手段)
36 レーザ誘起気泡流
37 レーザ誘起気泡流発生手段(レーザ照射手段)
39 レーザ照射手段
41 第2のレーザ
50 レーザ波長変換手段
60 坑井
61 パイプ
70 電源手段
71 電気ケーブル
80 レーザパルス圧縮手段
90 液
100 複数ファイバヘのレーザ入射手段
109 レーザ
110 複数の単一ファイバ(レーザ伝送手段)
111,111a,111b,111c,… マルチコアファイバ(レーザ伝送手段)
112 バンドルファイバ(レーザ伝送手段)
113 出射ビーム
120 流体循環システム
121、123、124 流体
122 バルブ
130 洋上掘削施設
132 海底坑口装置
134 ライザパイプ
140 地層
200 光ファイバ
201 液
202 プラズマ
203、204 衝撃波
210 気泡
220 管
221 レーザ
222 気泡
223 ジェット
230 気泡
231 レーザ
240 地層
241 屑
Claims (12)
- 液中でのレーザ照射により発生する第1のレーザの誘起力及び/又は液中でのレーザ照射により発生した気泡中を透過する第2のレーザの熱作用により、液中の地層を掘削することを特徴とする液中地層の掘削方法。
- 前記第1のレーザの誘起力は、衝撃波、ジェット流、気泡流若しくは音波、又はこれらの2以上に基づく作用力であることを特徴とする請求項1記載の液中地層の掘削方法。
- 前記第1のレーザは、パルスレーザ又は断続照射された連続波レーザであることを特徴とする請求項1又は2記載の液中地層の掘削方法。
- 前記第2のレーザは、パルスレーザ及び/又は連続波レーザであることを特徴とする請求項1記載の液中地層の掘削方法。
- 前記第1のレーザは、固体レーザであることを特徴とする請求項1〜3のいずれかに記載の液中地層の掘削方法。
- 前記第2のレーザは、固体レーザであることを特徴とする請求項1〜5のいずれかに記載の液中地層の掘削方法。
- パルスレーザ及び/又は連続波レーザを出力し、レーザパルスエネルギー、レーザビーム品質、レーザパルス幅、レーザ周波数及びレーザ波長からなる群から選ばれた1又は複数のパラメータを調整可能な第1のレーザ発振手段、及び/又はパルスレーザ及び/又は連続波レーザを出力し、レーザ周波数及びレーザ波長調整可能な第2のレーザ発振手段と、レーザ伝送手段と、レーザ照射手段とを備えたことを特徴とする液中地層の掘削装置。
- さらに、レーザ波長変換手段及び/又はレーザパルス圧縮手段を備えたことを特徴とする請求項7記載の液中地層の掘削装置。
- 前記レーザ発振手段を空洞内パイプ中に配設したことを特徴とする請求項7又は8記載の液中地層の掘削装置。
- レーザ発振手段とレーザ照射手段からなるレーザビットを、空洞内パイプ中の先端に配設しことを特徴とする請求項7〜9の何れかに記載の液中地層の掘削装置。
- 前記レーザビットは、レーザ波長変換手段及び/又はレーザパルス圧縮手段を備えたことを特徴とする請求項10記載の液中地層の掘削装置。
- 前記レーザ伝送手段は、単一ファイバと複数のファイバとから成り中間にレーザ入射手段を有するファイバ、複数の単一ファイバ、マルチコアファイバ又はバンドルファイバを備えたことを特徴とする請求項7〜11の何れかに記載の液中地層の掘削装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005129338A JP3856811B2 (ja) | 2005-04-27 | 2005-04-27 | 液中地層の掘削方法及び装置 |
PCT/JP2006/305234 WO2006117935A1 (ja) | 2005-04-27 | 2006-03-16 | 液中地層の掘削方法及び装置 |
US11/659,730 US7802384B2 (en) | 2005-04-27 | 2006-03-16 | Method and device for excavating submerged stratum |
CA2576756A CA2576756C (en) | 2005-04-27 | 2006-03-16 | Method and device for excavating submerged stratum |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005129338A JP3856811B2 (ja) | 2005-04-27 | 2005-04-27 | 液中地層の掘削方法及び装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006307481A JP2006307481A (ja) | 2006-11-09 |
JP3856811B2 true JP3856811B2 (ja) | 2006-12-13 |
Family
ID=37307740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005129338A Active JP3856811B2 (ja) | 2005-04-27 | 2005-04-27 | 液中地層の掘削方法及び装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7802384B2 (ja) |
JP (1) | JP3856811B2 (ja) |
CA (1) | CA2576756C (ja) |
WO (1) | WO2006117935A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008090692A1 (ja) | 2007-01-26 | 2008-07-31 | Japan Drilling Co., Ltd. | レーザを用いた岩石の加工方法及びその装置 |
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-
2005
- 2005-04-27 JP JP2005129338A patent/JP3856811B2/ja active Active
-
2006
- 2006-03-16 US US11/659,730 patent/US7802384B2/en not_active Expired - Fee Related
- 2006-03-16 WO PCT/JP2006/305234 patent/WO2006117935A1/ja active Application Filing
- 2006-03-16 CA CA2576756A patent/CA2576756C/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008090692A1 (ja) | 2007-01-26 | 2008-07-31 | Japan Drilling Co., Ltd. | レーザを用いた岩石の加工方法及びその装置 |
US8256530B2 (en) | 2007-01-26 | 2012-09-04 | Japan Drilling Co., Ltd. | Method of processing rock with laser and apparatus for the same |
Also Published As
Publication number | Publication date |
---|---|
CA2576756A1 (en) | 2006-11-09 |
US20090126235A1 (en) | 2009-05-21 |
CA2576756C (en) | 2012-12-18 |
JP2006307481A (ja) | 2006-11-09 |
WO2006117935A1 (ja) | 2006-11-09 |
US7802384B2 (en) | 2010-09-28 |
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