CN112835126A - Artificial anisotropy test well and preparation method thereof - Google Patents
Artificial anisotropy test well and preparation method thereof Download PDFInfo
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- CN112835126A CN112835126A CN202110093082.9A CN202110093082A CN112835126A CN 112835126 A CN112835126 A CN 112835126A CN 202110093082 A CN202110093082 A CN 202110093082A CN 112835126 A CN112835126 A CN 112835126A
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- artificial rock
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000011435 rock Substances 0.000 claims abstract description 63
- 239000011347 resin Substances 0.000 claims abstract description 42
- 229920005989 resin Polymers 0.000 claims abstract description 42
- 239000000835 fiber Substances 0.000 claims abstract description 31
- 239000004744 fabric Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000005553 drilling Methods 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 5
- 238000007605 air drying Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009918 complex formation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V13/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by groups G01V1/00 – G01V11/00
Abstract
The invention discloses an artificial anisotropy test well and a preparation method thereof, wherein the artificial anisotropy test well comprises artificial rock, the artificial rock comprises a plurality of layers of resin fiber cloth, resin is filled between two adjacent layers of resin fiber cloth, a drill hole is vertically or horizontally or obliquely arranged on the artificial rock, the drill hole is used as a well hole, the drill hole is a through hole, when the artificial rock is used, the artificial rock is buried underground, the artificial rock is fully filled with water, and a sound wave instrument is arranged in the drill hole, so that debugging, testing and calibration of the sound wave instrument can be carried out. The invention can control the quality of the acoustic wave instrument in China and promote the development of the acoustic wave instrument.
Description
Technical Field
The invention belongs to test equipment of acoustic wave instruments in the petroleum logging industry, and particularly relates to an artificial anisotropy test well and a preparation method thereof.
Background
With the continuous deepening of exploration and development, the difficulty of oil exploitation in China is increasing. This requires methods and techniques for logging well that can provide more detailed information describing the formation in multi-dimensional geometric space under complex formation conditions such as heterogeneous, anisotropic, fractured, etc.
At present, acoustic instruments with deeper radial detection depth and azimuth evaluation of the stratum with well-periphery heterogeneity are being developed at home and abroad. The problems of quality control, calibration and calibration of the acoustic wave instrument are always the difficult problems of the development of the acoustic wave instrument.
Disclosure of Invention
The invention aims to provide an artificial anisotropy test well and a preparation method thereof, which aim to overcome the defects in the prior art and can control the quality of acoustic wave instruments in China and promote the development of the acoustic wave instruments.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an artificial anisotropy test well, includes artificial rock, artificial rock includes a plurality of layers of resin fiber cloth, and has filled the resin between the adjacent two-layer resin fiber cloth, the last perpendicular setting or the level setting or the slope of artificial rock are provided with the drilling, the drilling is as the well hole, and the drilling is the perforating hole, and when using, buries artificial rock underground, and artificial rock is whole to be filled with water, sets up the sound wave instrument in drilling, can carry out sound wave instrument debugging, experiment and demarcation promptly.
Further, the resin fiber cloth layers have the same size.
Further, the interlayer distances between adjacent resin fiber cloths are the same.
A method of making an artificial anisotropic test well according to claim 1, comprising the steps of:
the method comprises the following steps: manufacturing a glue sealing device according to the length, width or diameter outline dimension of the designed artificial rock and fixing;
step two: laying a plurality of layers of resin fiber cloth in a sealing device, and applying force around the resin fiber cloth to ensure that the resin fiber cloth is flat and ensure that the interlayer spacing is the same;
step three: resin is poured, and vacuum pumping is carried out while pouring, so that no bubbles are generated in the artificial rock;
step four: air-drying and forming to form artificial rock;
step five: and drilling holes on the artificial rock according to the size of the measured instrument and the measurement requirement to obtain the artificial anisotropy test well.
Further, the following steps are also included between the fourth step and the fifth step: and C, intercepting and measuring a small sample aiming at the artificial rock formed in the step four, and accurately measuring the density, the longitudinal and transverse wave speed and the anisotropy value of the small sample to be used as a nominal value and a design value for calibration.
And furthermore, when the artificial anisotropy test well obtained in the fifth step is used for debugging, testing and calibrating the sound wave instrument, a metal sleeve is embedded at the position of the artificial rock drill hole to protect the artificial rock, then the artificial rock is stably installed and is filled with water, the sound wave instrument can be debugged, measured and calibrated, and the measured value is calibrated with the nominal value of the small sample.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention is to drill holes on artificial rock formed by resin poured into a plurality of layers of resin fiber cloth which are uniformly distributed according to requirements, wherein the layer number, the layer spacing and the size of the resin fiber cloth are determined by calculation according to designed anisotropic data values, the external processing dimensions of the artificial rock, such as the size of the drilled hole, the drilling direction and the like are determined according to the use requirements, the artificial rock is buried underground and installed in place according to the test site and the construction requirements, and is filled with water, so that the debugging, the test and the calibration of an acoustic wave instrument can be carried out.
Drawings
FIG. 1 is a schematic diagram of an artificial anisotropic rock;
FIG. 2 is a schematic diagram of an artificial horizontal anisotropy test well;
FIG. 3 is a schematic diagram of an artificial vertical anisotropy test well;
FIG. 4 is a schematic diagram of an artificial sloped anisotropy test well.
Wherein: 1. resin fiber cloth; 2. a resin; l is the length of the artificial rock; w is the width of the artificial rock; h is the height of the artificial rock; phi is the borehole diameter; theta is the included angle between the inclined borehole and the horizontal plane.
Detailed Description
The invention is described in further detail below:
the utility model provides an artificial anisotropy test well, includes artificial rock, artificial rock includes a plurality of layers of resin fiber cloth (1), and has infused resin (2) between the adjacent two-layer resin fiber cloth (1), the size of a plurality of layers of resin fiber cloth (1) is the same, and the interlamellar spacing between the adjacent resin fiber cloth (1) is the same, vertical setting or level setting or slope are provided with the drilling on the artificial rock, the drilling is as the well hole, and the drilling is the perforating hole, and when using, buries artificial rock underground, and artificial rock is whole to be filled with water, sets up the sound wave instrument in drilling (well hole), can carry out sound wave instrument debugging, experiment and demarcation promptly.
A preparation method of an artificial anisotropic test well comprises the following steps:
the method comprises the following steps: manufacturing a glue sealing device according to the length, width or diameter outline dimension of the designed artificial rock and fixing;
step two: laying a plurality of layers of resin fiber cloth in a sealing device, and applying force around the resin fiber cloth to ensure that the resin fiber cloth is flat and ensure that the interlayer spacing is the same;
step three: resin is poured, and vacuum pumping is carried out while pouring, so that no bubbles are generated in the artificial rock;
step four: air-drying and forming to form artificial rock;
step five: and drilling holes on the artificial rock according to the size of the measured instrument and the measurement requirement to obtain the artificial anisotropy test well.
The method also comprises the following steps between the fourth step and the fifth step: and C, intercepting and measuring a small sample aiming at the artificial rock formed in the step four, and accurately measuring the density, the longitudinal and transverse wave speed and the anisotropy value of the small sample to be used as a nominal value and a design value for calibration.
When the artificial anisotropy test well obtained in the fifth step is used for debugging, testing and calibrating the sound wave instrument, a metal sleeve is embedded at the position of a drilled hole (a borehole) of the artificial rock so as to protect the artificial rock, then the artificial rock is stably installed and is filled with water, the debugging, the measurement and the calibration of the sound wave instrument can be carried out, and the measured value is calibrated with the nominal value of the small sample.
The invention is described in further detail below with reference to the following figures and specific examples:
an artificial anisotropic test well is formed by drilling holes on artificial rock (shown in figure 1) formed by pouring resin into a plurality of layers of resin fiber cloth which are uniformly distributed, wherein the number of layers, the layer spacing and the size and the thickness of the resin fiber cloth are determined by calculation according to designed anisotropic data values, the shape processing sizes of the artificial rock, such as the size, the drilling hole direction and the like, are determined according to the use requirements, the artificial rock is buried underground and installed in place according to the test site and construction requirements, and water is filled in the artificial rock, so that debugging, testing and calibration of a sound wave instrument can be carried out.
In the preparation, the first step: according to the length, width or diameter of the designed artificial rock, the glue sealing device is manufactured and fixed. The second step is that: and (3) paving a plurality of layers of resin fiber cloth, and applying force around the resin fiber cloth to ensure that the resin fiber cloth is flat and the interlayer spacing is the same. The third step: and (3) resin is poured while vacuumizing, so that no bubbles are generated in the rock. The fourth step: and (5) air-drying and forming. The fifth step: and intercepting and measuring the small sample, and accurately measuring the density, the longitudinal and transverse wave speed, the anisotropy value and the like of the small sample to be used as a nominal value and a design value for calibration. And a sixth step: in artificial rock the drilling is measured as required (horizontal or vertical anisotropy, angular anisotropy, as shown in figures 2, 3 and 4, respectively) according to the dimensions of the instrument to be measured. The seventh step: 1 metal sleeve is embedded in the artificial rock drill hole to protect the rock. Eighth step: the artificial rock is stably installed and filled with water, instrument debugging, measurement and calibration can be carried out, and a measured value is calibrated with a nominal value of a small sample.
If the condition exists, a sealing device can be installed on the rock hole, and the acoustic wave instrument is placed in a constant-pressure environment, so that the acoustic wave instrument is fully coupled, and the measurement accuracy of the acoustic wave instrument is achieved.
Claims (6)
1. The utility model provides an artificial anisotropy test well, its characterized in that, includes artificial rock, artificial rock includes a plurality of layers of resin fiber cloth (1), and has filled into resin (2) between adjacent two-layer resin fiber cloth (1), the last perpendicular setting or the level setting or the slope of artificial rock are provided with the drilling, the drilling is as the well hole, and the drilling is the perforating hole, and when using, buries artificial rock underground, and artificial rock is whole to be filled with water, sets up the sound wave instrument in drilling, can carry out sound wave instrument debugging, experiment and demarcation promptly.
2. An artificial anisotropy test well according to claim 1, characterized in that the several layers of resin fiber cloth (1) are of the same size.
3. An artificial anisotropy test well according to claim 1, characterized in that the interlamellar spacings between adjacent resin fiber cloths (1) are the same.
4. A method of preparing an artificial anisotropic test well according to claim 1, comprising the steps of:
the method comprises the following steps: manufacturing a glue sealing device according to the length, width or diameter outline dimension of the designed artificial rock and fixing;
step two: laying a plurality of layers of resin fiber cloth in a sealing device, and applying force around the resin fiber cloth to ensure that the resin fiber cloth is flat and ensure that the interlayer spacing is the same;
step three: resin is poured, and vacuum pumping is carried out while pouring, so that no bubbles are generated in the artificial rock;
step four: air-drying and forming to form artificial rock;
step five: and drilling holes on the artificial rock according to the size of the measured instrument and the measurement requirement to obtain the artificial anisotropy test well.
5. The method for preparing an artificial anisotropic test well according to claim 4, further comprising the following steps between the fourth step and the fifth step: and C, intercepting and measuring a small sample aiming at the artificial rock formed in the step four, and accurately measuring the density, the longitudinal and transverse wave speed and the anisotropy value of the small sample to be used as a nominal value and a design value for calibration.
6. The method for preparing the artificial anisotropy test well according to the claim 5, characterized in that when the artificial anisotropy test well obtained in the step five is used for debugging, testing and calibrating the sound wave instrument, a metal sleeve is embedded at the position of the artificial rock drill hole to protect the artificial rock, then the artificial rock is stably installed and filled with water, so that the sound wave instrument can be debugged, measured and calibrated, and the measured value is calibrated with the nominal value of the small sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093082.9A CN112835126A (en) | 2021-01-23 | 2021-01-23 | Artificial anisotropy test well and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110093082.9A CN112835126A (en) | 2021-01-23 | 2021-01-23 | Artificial anisotropy test well and preparation method thereof |
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| CN112835126A true CN112835126A (en) | 2021-05-25 |
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| CN202110093082.9A Pending CN112835126A (en) | 2021-01-23 | 2021-01-23 | Artificial anisotropy test well and preparation method thereof |
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Citations (8)
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|---|---|---|---|---|
| CN2653523Y (en) * | 2002-11-22 | 2004-11-03 | 辽河石油勘探局测井公司 | Electroacoustic imaging logging analogue test device |
| CN102536199A (en) * | 2012-02-16 | 2012-07-04 | 中国石油天然气集团公司 | Controllable source while-drilling nuclear logging tool calibration device and calibration method |
| CN102900423A (en) * | 2012-09-29 | 2013-01-30 | 中国石油天然气集团公司 | Gel-based solid physical simulator for electrical logging detector and forming method of gel-based solid physical simulator |
| CN103048178A (en) * | 2013-01-22 | 2013-04-17 | 中国石油大学(华东) | Method for preparing artificial rock core of simulated carbonate rock for acoustics experiment |
| CN104237385A (en) * | 2014-09-12 | 2014-12-24 | 中国石油大学 | Test device and method for evaluating compressibility of shale reservoir by virtue of acoustic emission |
| US20170066283A1 (en) * | 2015-09-08 | 2017-03-09 | Silia ABOU ARBID | Material And Method For An Artificial Rock |
| CN106869843A (en) * | 2017-04-24 | 2017-06-20 | 中国石油大学(华东) | A kind of oil-water well Physical increasing yield and injection effect assessment analogue experiment method |
| CN109031425A (en) * | 2018-05-24 | 2018-12-18 | 中国科学院声学研究所 | A kind of acoustic logging anisotropy graduation apparatus and method |
-
2021
- 2021-01-23 CN CN202110093082.9A patent/CN112835126A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2653523Y (en) * | 2002-11-22 | 2004-11-03 | 辽河石油勘探局测井公司 | Electroacoustic imaging logging analogue test device |
| CN102536199A (en) * | 2012-02-16 | 2012-07-04 | 中国石油天然气集团公司 | Controllable source while-drilling nuclear logging tool calibration device and calibration method |
| CN102900423A (en) * | 2012-09-29 | 2013-01-30 | 中国石油天然气集团公司 | Gel-based solid physical simulator for electrical logging detector and forming method of gel-based solid physical simulator |
| CN103048178A (en) * | 2013-01-22 | 2013-04-17 | 中国石油大学(华东) | Method for preparing artificial rock core of simulated carbonate rock for acoustics experiment |
| CN104237385A (en) * | 2014-09-12 | 2014-12-24 | 中国石油大学 | Test device and method for evaluating compressibility of shale reservoir by virtue of acoustic emission |
| US20170066283A1 (en) * | 2015-09-08 | 2017-03-09 | Silia ABOU ARBID | Material And Method For An Artificial Rock |
| CN106869843A (en) * | 2017-04-24 | 2017-06-20 | 中国石油大学(华东) | A kind of oil-water well Physical increasing yield and injection effect assessment analogue experiment method |
| CN109031425A (en) * | 2018-05-24 | 2018-12-18 | 中国科学院声学研究所 | A kind of acoustic logging anisotropy graduation apparatus and method |
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Application publication date: 20210525 |