CN102338759B - Standard sample of whole diameter nuclear magnetic resonance rock sample analyzer - Google Patents
Standard sample of whole diameter nuclear magnetic resonance rock sample analyzer Download PDFInfo
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- CN102338759B CN102338759B CN201010231391.XA CN201010231391A CN102338759B CN 102338759 B CN102338759 B CN 102338759B CN 201010231391 A CN201010231391 A CN 201010231391A CN 102338759 B CN102338759 B CN 102338759B
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Abstract
The invention relates to a standard sample of a whole diameter nuclear magnetic resonance rock sample analyzer. The standard sample comprises a cavity structure and a standard sample solution. The cavity structure consists of a cylindrical housing and glass test tubes, and 43 cylindrical small holes with a diameter of 1cm and length of 10cm are uniformly distributed inside the cylindrical housing of the cavity structure. The glass test tubes with the standard sample solution are placed in the small holes. The cylindrical housing material is made of polytetrafluor, the standard sample solution includes a copper sulfate solution with a mass concentration of 300ppm-3000pp. The standard sample of a whole diameter nuclear magnetic resonance rock sample analyzer in the invention speeds up rock sample (with a diameter less than 12cm) porosity measuring by nuclear magnetic resonance, improves the device measuring accuracy, and makes the whole diameter nuclear magnetic resonance rock sample analysis technology more perfect.
Description
Technical field:
Patent of the present invention relates to a kind of while measuring rock sample factor of porosity for full diameter nuclear magnetic resonance rock analyser, the standard model that calibration is used.
Background technology
In recent years, nuclear magnetic resonance rock analytical technology had been widely used in the fields such as nuclear magnetic resonance logging, nuclear magnetic resonance log and low permeability reservoir evaluation.But for particular lithologic reservoir, as reservoirs such as conglomerate, limestone, pyrogenic rock, because the nonuniformity of this class sample is very strong, the representativeness of landwaste or little core sample is poor, cannot accurately reflect formation characteristics.Therefore, full diameter nuclear magnetic resonance rock analytical instrument is subject to everybody approval gradually.Because the standard model principal ingredient of common nuclear magnetic resonance rock analyser has certain toxicity, it directly cannot be extended in full diameter instrument.Early stage method is to utilize artificial sand rock or Berea sandstone to calibrate, and this calibrating method only has a calibration sample, exists error larger, and before each measurement, all needs to vacuumize saturated, operates cumbersome.Therefore, full diameter nuclear magnetic resonance rock analytical standard sample becomes the bottleneck of full diameter nuclear magnetic resonance rock analytical technology development, is badly in need of research and development and is applicable to the standard model that full diameter nuclear magnetic resonance instrument uses.
Summary of the invention
The object of this invention is to provide a kind of full diameter nuclear magnetic resonance rock analyser standard sample, solve full-hole core Scaling Problem, improve full diameter rock sample porosity measurement precision, promote the development of full diameter nuclear magnetic resonance rock technology in petroleum exploration and development.
Full diameter nuclear magnetic resonance rock analytical standard sample of the present invention consists of cavity body structure and standard sample solution; Cavity body structure consists of cylinder blanket and glass test tube, in the cylinder blanket of cavity body structure, be uniformly distributed 43 diameter 1cm, length is the cylindrical aperture of 10cm, in aperture, be placed with glass test tube, standard sample solution is contained in glass test tube, the material of cylinder blanket is polytetrafluoro, and standard sample solution composition is copper-bath, and mass concentration is 300ppm～3000pp.
The effect of invention
The research and development of full diameter nuclear magnetic resonance rock analyser standard sample are successful, accelerated the speed of nuclear magnetic resonance technique measurement rock sample (diameter is less than 12cm) factor of porosity, improved the measuring accuracy of instrument, make full diameter nuclear magnetic resonance rock analytical technology more perfect.
Accompanying drawing explanation
The full diameter nuclear magnetic resonance rock analytical standard of Fig. 1 sample sectional view
The full diameter nuclear magnetic resonance rock analytical standard of Fig. 2 sample cut-open view
In figure, 1. housing, 2. glass test tube
The full diameter nuclear magnetic resonance rock calibration line of Fig. 3
Embodiment
Full diameter nuclear magnetic resonance rock analytical standard sample of the present invention consists of cavity body structure and standard sample solution; Cavity body structure consists of cylinder blanket 1 and glass test tube 2, in the cylinder blanket of cavity body structure, be uniformly distributed 43 diameter 1cm, length is the cylindrical aperture of 10cm, in aperture, be placed with glass test tube, standard sample solution is contained in glass test tube, the material of cylinder blanket is polytetrafluoro, and standard sample solution composition is copper-bath, and mass concentration is 300ppm～3000pp.
Full diameter nuclear magnetic resonance rock analyser standard sample one has 3, is respectively factor of porosity 5%, 15% and 25%.As shown in Figure 3, be the calibration line that utilizes these three calibration samples to measure, very good from the figure linearity, reached 1.Solved and because calibration line is inaccurate, caused the error of measuring factor of porosity, it is more accurate that the calibration line that utilizes full diameter calibration sample to measure calculates factor of porosity.
Claims (1)
1. a full diameter nuclear magnetic resonance rock analyser standard sample, is characterized in that: cavity body structure and standard sample solution, consist of; Cavity body structure consists of cylinder blanket and glass test tube, in the cylinder blanket of cavity body structure, be uniformly distributed 43 diameter 1cm, length is the cylindrical aperture of 10cm, in aperture, be placed with glass test tube, standard sample solution is contained in glass test tube, the material of cylinder blanket is polytetrafluoro, and standard sample solution composition is copper-bath, and mass concentration is 300ppm～3000ppm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010231391.XA CN102338759B (en) | 2010-07-14 | 2010-07-14 | Standard sample of whole diameter nuclear magnetic resonance rock sample analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010231391.XA CN102338759B (en) | 2010-07-14 | 2010-07-14 | Standard sample of whole diameter nuclear magnetic resonance rock sample analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102338759A CN102338759A (en) | 2012-02-01 |
| CN102338759B true CN102338759B (en) | 2014-08-06 |
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| CN201010231391.XA Active CN102338759B (en) | 2010-07-14 | 2010-07-14 | Standard sample of whole diameter nuclear magnetic resonance rock sample analyzer |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254401B (en) * | 2018-01-15 | 2022-01-18 | 中南大学 | Method for testing rock by using nuclear magnetic resonance spectrometer |
| CN110715888B (en) * | 2019-05-30 | 2022-04-22 | 西南石油大学 | Method for measuring size distribution change of sulfur deposit pores of high-sulfur-content gas reservoir core |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1763563A (en) * | 2004-10-21 | 2006-04-26 | 北京大学 | Apparatus and method for measuring stratum rock physical property by rock NMR relaxation signal |
| CN1987438A (en) * | 2006-12-22 | 2007-06-27 | 上海神开石油化工装备集团有限公司 | Method of nuclear magnetic resonant rock sample analyzer label sample recipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6690166B2 (en) * | 2001-09-26 | 2004-02-10 | Southwest Research Institute | Nuclear magnetic resonance technology for non-invasive characterization of bone porosity and pore size distributions |
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2010
- 2010-07-14 CN CN201010231391.XA patent/CN102338759B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1763563A (en) * | 2004-10-21 | 2006-04-26 | 北京大学 | Apparatus and method for measuring stratum rock physical property by rock NMR relaxation signal |
| CN1987438A (en) * | 2006-12-22 | 2007-06-27 | 上海神开石油化工装备集团有限公司 | Method of nuclear magnetic resonant rock sample analyzer label sample recipe |
Non-Patent Citations (4)
| Title |
|---|
| 核磁共振全直径岩心分析仪磁体的研制;焦玮玮 等;《南京大学学报(自然科学)》;20050731;第41卷(第4期);全文 * |
| 核磁共振岩心实验分析的标准样品研究;谢然红 等;《核电子学与探测技术》;20070331;第27卷(第2期);全文 * |
| 焦玮玮 等.核磁共振全直径岩心分析仪磁体的研制.《南京大学学报(自然科学)》.2005,第41卷(第4期),全文. |
| 谢然红 等.核磁共振岩心实验分析的标准样品研究.《核电子学与探测技术》.2007,第27卷(第2期),全文. |
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| CN102338759A (en) | 2012-02-01 |
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