JP5544443B2 - 圧力パルス崩壊試験における不確実性減少技法 - Google Patents
圧力パルス崩壊試験における不確実性減少技法 Download PDFInfo
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- JP5544443B2 JP5544443B2 JP2013187289A JP2013187289A JP5544443B2 JP 5544443 B2 JP5544443 B2 JP 5544443B2 JP 2013187289 A JP2013187289 A JP 2013187289A JP 2013187289 A JP2013187289 A JP 2013187289A JP 5544443 B2 JP5544443 B2 JP 5544443B2
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- pressure pulse
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- 238000012360 testing method Methods 0.000 title claims description 30
- 238000000034 method Methods 0.000 title claims description 25
- 230000009467 reduction Effects 0.000 title claims description 8
- 239000011435 rock Substances 0.000 claims description 81
- 239000012530 fluid Substances 0.000 claims description 45
- 238000011144 upstream manufacturing Methods 0.000 claims description 37
- 238000007789 sealing Methods 0.000 claims description 18
- 230000035699 permeability Effects 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 12
- 238000009530 blood pressure measurement Methods 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000005755 formation reaction Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 210000001124 body fluid Anatomy 0.000 description 3
- 239000010839 body fluid Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000035485 pulse pressure Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Description
(2) Hsieh, P.A., J.V. Tracy, C.E. Neuzil, J.D. Bredehoeft, and S.E. Silliman, A transient laboratory method for determining the hydraulic properties of tight rocks-I. Theory, Int. J. Rock Mech. Min. Sci. & Geomech. Abstr. 1981 18 245-252.
(3) Wang, H. F., and D. J. Hart, Experimental error for permeability and specific storage from pulse decay measurements, Int. J. Mech. Min. Sci. Geomech. Abstr. 1993 30, 1173-1176.
(4) Zhang, M., M. Takahashi, R.H. Morin, and T. Esaki, Evaluation and application of the transient-pulse technique for determining the hydraulic properties of low-permeability rocks-Part 2: Experimental application, Geotechnical Testing Journal 2000b; 23, 091-099.
このようにし計算して得た計算値と、本発明による水理試験での測定値の差の和(あるいは、平均値)を、目的関数(Objective function)とし、図2及び図3に示しているように、横軸に透水係数を取り、縦軸に比貯留係数を取る関数(グラフ)として表すことができる。
2 : 上側部ホルダ保持部
2' : 下側部ホルダ保持部
4 : 筐体
6 : O−リング
8 : 上側部ホルダ
8' : 下側部ホルダ
10 : 上流池
20 : 下流池
12 : 上側部エンドプラグ
22 : 下側部エンドプラグ
30、35 : 多孔性ディスク
40 : スリーブ
50 : 本体部流体供給口
60 : 上側部流体供給口
70 : 下流側圧力測定器
80 : 上流側圧力測定器
90、95 : バルブ
100 : 岩石サンプル
P : 圧力パルス
а、b : (流体流入)空間
Claims (10)
- 筐体内部のスリーブ内に岩石サンプルを位置させる段階と、
前記岩石サンプルの左右側にそれぞれ、エンドプラグと多孔性ディスクを装着して、前記岩石サンプルを固定する段階と、
前記固定した岩石サンプルの多孔性ディスクの軸方向外側にそれぞれ、上流池と下流池を連結する段階と、
前記上流池と前記下流池にそれぞれ、圧力測定センサを取り付ける段階と、
閉圧力システムを形成するように、前記スリーブ内に位置した前記岩石サンプルに軸圧と封圧を加える段階と、
前記閉圧力システム内の前記岩石サンプルに、前記上流池を介して圧力パルスを加える段階と、
前記圧力パルスが崩壊しながら得られた圧力パルスの変動から、透水係数と比貯留係数を求める段階とを含み、
前記透水係数と比貯留係数を求める段階は、
計算で得た透水係数と比貯留係数の計算値と、前記圧力測定センサで得た前記圧力パルスの変動測定値の差の和、又は、その平均値を示した目的関数のグラフから、このグラフ内の等高線の最小値を示す座標値を読み出し、この最小値を、前記岩石サンプルの透水係数と比貯留係数と決めることを特徴とする圧力パルス崩壊試験における不確実性減少技法。 - 前記スリーブの材質は、ゴムであることを特徴とする請求項1に記載の圧力パルス崩壊試験における不確実性減少技法。
- 前記岩石サンプルに軸圧と封圧を加える段階は、
流体流入空間に流体を供給して圧力を加えることを特徴とする請求項1に記載の圧力パルス崩壊試験における不確実性減少技法。 - 前記流体は、オイルであることを特徴とする請求項3に記載の圧力パルス崩壊試験における不確実性減少技法。
- 筐体内部のスリーブ内に岩石サンプルを位置させる段階と、
前記岩石サンプルの左右側にそれぞれ、エンドプラグと多孔性ディスクを装着して、前記岩石サンプルを固定する段階と、
前記固定した岩石サンプルに、上流池と下流池を連結する段階と、
前記上流池と前記下流池にそれぞれ、圧力測定センサを取り付ける段階と、
前記上流池の大きさを調節するための2つのバルブを離隔して位置させる段階と、
前記スリーブ内に位置した前記岩石サンプルに軸圧と封圧を加えて、閉圧力システムを形成する段階と、
前記閉圧力システム内の前記岩石サンプルに、前記上流池を介して圧力パルスを加える段階と、
前記圧力パルスが崩壊しながら得られた圧力パルスの変動から、透水係数と比貯留係数を求める段階とを含み、
前記透水係数と比貯留係数を求める段階は、
計算で得た透水係数と比貯留係数の計算値と、前記圧力測定センサで得た前記圧力パルスの変動測定値の差の和、又は、その平均値を示した目的関数のグラフから、このグラフ内の等高線の最小値を示す座標値を読み出し、この最小値を、前記岩石サンプルの透水係数と比貯留係数と決めることを特徴とする圧力パルス崩壊試験における不確実性減少技法。 - 前記スリーブの材質は、ゴムであることを特徴とする請求項5に記載の圧力パルス崩壊試験における不確実性減少技法。
- 前記圧力パルスを加える段階は、
前記離隔した2つのバルブをそれぞれ制御して、前記上流池の大きさが調整された状態で、前記上流池を介して圧力パルスを加える段階であることを特徴とする請求項5に記載の圧力パルス崩壊試験における不確実性減少技法。 - 前記圧力パルスを加える段階を複数回繰り返して得た目的関数のグラフを重畳して表示することにより、前記岩石サンプルの前記透水係数と比貯留係数の不確実性を減少させることを特徴とする請求項7に記載の圧力パルス崩壊試験における不確実性減少技法。
- 前記岩石サンプルに軸圧と封圧を加える段階は、
流体流入空間に流体を供給して、圧力を加えることを特徴とする請求項5に記載の圧力パルス崩壊試験における不確実性減少技法。 - 前記流体は、オイルであることを特徴とする請求項9に記載の圧力パルス崩壊試験における不確実性減少技法。
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KR1020120100488A KR101245333B1 (ko) | 2012-09-11 | 2012-09-11 | 압력 펄스 붕괴 시험에서의 불확도 감소 기법 |
KR10-2012-0100488 | 2012-09-11 |
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US (1) | US9335245B2 (ja) |
JP (1) | JP5544443B2 (ja) |
KR (1) | KR101245333B1 (ja) |
CN (1) | CN103674801B (ja) |
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US10302543B2 (en) | 2015-05-07 | 2019-05-28 | The Uab Research Foundation | Full immersion pressure-pulse decay |
CN104914028B (zh) * | 2015-05-08 | 2018-02-09 | 山东科技大学 | 假三轴高压渗透试验仪 |
CN105424575B (zh) * | 2015-11-10 | 2019-06-11 | 中国石油天然气股份有限公司 | 一种确定渗透率的方法和装置 |
KR101800796B1 (ko) * | 2016-08-16 | 2017-11-27 | 한국지질자원연구원 | 극저투수율암석의 투수율 측정 장치 및 그 방법 |
KR101999279B1 (ko) * | 2017-06-13 | 2019-07-11 | 이성종 | 탄소섬유를 이용한 x-ray CT촬영용 압력장치 |
US10845292B2 (en) * | 2017-06-19 | 2020-11-24 | Saudi Arabian Oil Company | Method for correcting low permeability laboratory measurements for leaks |
US11079313B2 (en) * | 2019-05-17 | 2021-08-03 | Saudi Arabian Oil Company | Methods and systems for determining core permeability pulse decay experiments |
CN110823779B (zh) * | 2019-11-19 | 2022-09-16 | 西南石油大学 | 一种岩心夹持器和组合式岩心夹持模型 |
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US4552011A (en) * | 1982-09-28 | 1985-11-12 | Phillips Petroleum Company | Establishing a differential pressure across a core sample or calibrating a differential pressure transducer |
US4506542A (en) * | 1983-04-22 | 1985-03-26 | Chandler Engineering Company | Apparatus and procedure for relative permeability measurements |
US4571985A (en) * | 1983-11-17 | 1986-02-25 | The United States Army Corps Of Engineers As Represented By The Secretary Of The Army | Method and apparatus for measuring the hydraulic conductivity of porous materials |
US5417104A (en) * | 1993-05-28 | 1995-05-23 | Gas Research Institute | Determination of permeability of porous media by streaming potential and electro-osmotic coefficients |
CN2188205Y (zh) | 1993-10-22 | 1995-01-25 | 西南石油学院 | 岩石物性参数测试装置 |
US5813798A (en) * | 1997-03-28 | 1998-09-29 | Whiffen; Greg | Piecewise continuous control of groundwater remediation |
JP3041417B2 (ja) | 1998-06-19 | 2000-05-15 | 工業技術院長 | 岩石試験体の透水試験装置 |
JP3503927B2 (ja) * | 1998-09-07 | 2004-03-08 | 財団法人電力中央研究所 | 三軸セル、三軸試験装置および三軸試験方法 |
US6321317B1 (en) * | 1998-12-16 | 2001-11-20 | Hewlett-Packard Co | Apparatus for and method of multi-dimensional constraint optimization in storage system configuration |
US6415648B1 (en) * | 1999-02-18 | 2002-07-09 | Colorado School Of Mines | Method for measuring reservoir permeability using slow compressional waves |
US6178808B1 (en) * | 1999-08-12 | 2001-01-30 | Wisconsin Alumni Research Foundation | Apparatus and method for testing the hydraulic conductivity of geologic materials |
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US6986281B1 (en) * | 2004-06-30 | 2006-01-17 | Battelle Energy Alliance, Llc | Exfiltrometer apparatus and method for measuring unsaturated hydrologic properties in soil |
FI20045353A (fi) | 2004-09-24 | 2006-03-25 | Sandvik Tamrock Oy | Menetelmä kiven rikkomiseksi |
US7882726B2 (en) * | 2007-05-08 | 2011-02-08 | Porous Materials, Inc. | Compression vacuapore for determination of pore structure characteristics of hydrophobic materials under compressive stress |
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CN201532351U (zh) * | 2009-11-13 | 2010-07-21 | 中国科学院武汉岩土力学研究所 | 一种利用变容积压力脉冲法测试岩石气体渗透系数的装置 |
US8806954B1 (en) * | 2010-11-16 | 2014-08-19 | U.S. Department Of Energy | Steady state method to determine unsaturated hydraulic conductivity at the ambient water potential |
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- 2013-09-10 CN CN201310410037.7A patent/CN103674801B/zh not_active Expired - Fee Related
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US20140069183A1 (en) | 2014-03-13 |
JP2014055500A (ja) | 2014-03-27 |
KR101245333B1 (ko) | 2013-03-19 |
CN103674801B (zh) | 2015-10-07 |
CN103674801A (zh) | 2014-03-26 |
US9335245B2 (en) | 2016-05-10 |
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