JP6894039B2 - ダウンホール高出力レーザスキャナツールおよび方法 - Google Patents
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- 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/02—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground by explosives or by thermal or chemical means
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- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0078—Nozzles used in boreholes
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- 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
- E21B43/11—Perforators; Permeators
- E21B43/119—Details, e.g. for locating perforating place or direction
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- 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
- E21B7/15—Drilling by use of heat, e.g. flame drilling of electrically generated heat
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0994—Fibers, light pipes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/30—Collimators
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Laser Beam Processing (AREA)
- Lasers (AREA)
- Earth Drilling (AREA)
Description
Claims (13)
- 地層中の開口部の形状を制御する方法であって、
方向付けユニットに光ファイバーケーブルからレーザービームを放出するステップを含み、前記方向付けユニットは、集束レンズとコリメートレンズとを備え、
前記集束レンズ内でレーザービームを集束させて集束ビームを生成するステップと、
コリメートレンズ内の前記集束ビームをコリメートして、指向性ビームを生成するステップと、
前記指向性ビームを電動マスターに向けるステップを含み、コンパクトスキャナは電動マスターと、さらに電動スレーブを含み、前記電動マスターはマスターミラーとマスタモータとを含み、前記電動スレーブはスレーブミラーとスレーブモータとを含み、
前記電動マスターおよび前記電動スレーブを動作させて制御されたビームを生成するステップを含み、前記制御されたビームは、動作パターンで動作し、
前記制御されたビームをレーザーヘッドに導入するステップを含み、前記レーザーヘッドは、入口レンズと、出口レンズと、エアナイフと、パージノズルと、真空ノズルと、温度センサとを備え、
前記制御されたビームが前記入口レンズおよび前記出口レンズを通過するステップを含み、ここで前記入口レンズおよび前記出口レンズは、前記コンパクトスキャナをデブリから保護し、
前記エアナイフからのガスで前記出口レンズを掃除するステップと、
前記パージノズルからのパージ流体により前記制御されたビームの経路をパージするステップと、
前記開口部を生成するために前記地層を昇華させるステップを含み、前記開口部の形状が前記制御されたビームの前記動作パターンによって決定され、
前記真空ノズルを用いて塵および蒸気をバキュームするステップを含む、方法。 - 前記地層を貫通する坑井内にレーザーツールを延長するステップを含み、ダウンホールの前記レーザーツールは、方向付けユニットと、コンパクトスキャナと、レーザーヘッドとを備え、
レーザーユニットを動作させて前記レーザービームを生成するステップと、
前記レーザービームを、前記光ファイバーケーブルを通して前記レーザーユニットから前記レーザーツールに向けるステップをさらに含む、請求項1に記載の方法。 - 前記動作パターンは、前記電動マスターの回転と前記電動スレーブの回転との比に基づいて決定される、請求項1または2に記載の方法。
- 前記レーザーツールを前記坑井内に延長するステップの前に、前記コンパクトスキャナをプログラミングして前記動作パターンを達成するステップをさらに含む、請求項2に記載の方法。
- 前記地層を昇華させるステップの前に、前記坑井を取り囲むケーシングおよびセメントを貫通するステップをさらに含む、請求項2又は4に記載の方法。
- 前記開口部の形状が楕円形である、請求項1〜5のいずれか1項に記載の方法。
- 前記レーザービームの出力が500W〜2500Wである、請求項1〜6のいずれか1項に記載の方法。
- 地層の開口部の形状を制御するための装置であって、
レーザービームのサイズを操作して指向性ビームを生成するように構成された方向付けユニットであって、集束レンズとコリメートレンズとを備える方向付けユニットと、
前記方向付けユニットに光学的に接続されたコンパクトスキャナであって、前記指向性ビームを導いて制御されたビームを生成するように構成され、電動マスターおよび電動スレーブを含み、前記電動マスターはマスターミラーとマスタモータとを含み、前記電動スレーブはスレーブミラーとスレーブモータとを含み、前記指向性ビームは前記電動マスターに導かれ、前記電動マスター及び電動スレーブが作動して前記制御されたビームを生成し、前記制御されたビームは動作パターンを有する、コンパクトスキャナと、
前記コンパクトスキャナに光学的に接続されたレーザーヘッドであって、前記コンパクトスキャナをデブリから保護するように構成され、入口レンズと、出口レンズと、エアナイフと、パージノズルと、真空ノズルと、温度センサとを備えるレーザーヘッドと、を含む装置。 - 前記レーザービームを生成するように構成されたレーザーユニットと、
前記レーザーユニットに光学的に接続され、前記レーザーユニットから前記方向付けユニットにレーザービームを伝送するように構成された光ファイバーケーブルと、をさらに含み、
前記レーザーユニットは地層内に延在する坑井の近くに位置し、前記光ファイバーケーブルは前記坑井を通って延在し、前記方向付けユニット、前記コンパクトスキャナ、および前記レーザーヘッドは、前記坑井内に配置される、
請求項8に記載の装置。 - 前記集束レンズは前記レーザービームを集束させて集束ビームを生成するように構成され、さらに、前記コリメートレンズは、前記集束ビームをコリメートして前記指向性ビームを生成するように構成される、請求項8または9に記載の装置。
- 前記動作パターンは、前記電動マスターの回転と前記電動スレーブの回転との比によって決定される、請求項8〜10のいずれか1項に記載の装置。
- 前記開口部の形状は、前記制御されたビームの動作パターンによって決定される、請求項8〜11のいずれか1項に記載の装置。
- 前記開口部の形状が楕円形である、請求項8〜12のいずれか1項に記載の装置。
Applications Claiming Priority (3)
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US15/661,104 | 2017-07-27 | ||
US15/661,104 US10415338B2 (en) | 2017-07-27 | 2017-07-27 | Downhole high power laser scanner tool and methods |
PCT/US2018/044025 WO2019023537A1 (en) | 2017-07-27 | 2018-07-27 | TOOL AND METHODS OF HIGH END POWER LASER SCANNER DOWNHOLE |
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JP2020528976A JP2020528976A (ja) | 2020-10-01 |
JP6894039B2 true JP6894039B2 (ja) | 2021-06-23 |
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EP (1) | EP3658849B1 (ja) |
JP (1) | JP6894039B2 (ja) |
KR (1) | KR102439220B1 (ja) |
CN (1) | CN111164374B (ja) |
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WO (1) | WO2019023537A1 (ja) |
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KR102439220B1 (ko) | 2022-09-01 |
KR20200032182A (ko) | 2020-03-25 |
WO2019023537A1 (en) | 2019-01-31 |
EP3658849A1 (en) | 2020-06-03 |
US20190032434A1 (en) | 2019-01-31 |
JP2020528976A (ja) | 2020-10-01 |
CN111164374B (zh) | 2021-10-01 |
SG11202000618QA (en) | 2020-02-27 |
US10415338B2 (en) | 2019-09-17 |
CN111164374A (zh) | 2020-05-15 |
EP3658849B1 (en) | 2022-04-06 |
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