CN102338759A - 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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- CN102338759A CN102338759A CN201010231391XA CN201010231391A CN102338759A CN 102338759 A CN102338759 A CN 102338759A CN 201010231391X A CN201010231391X A CN 201010231391XA CN 201010231391 A CN201010231391 A CN 201010231391A CN 102338759 A CN102338759 A CN 102338759A
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- rock sample
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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 when being used for full diameter nuclear magnetic resonance rock sample analyser and measuring the rock sample factor of porosity, the standard model that calibration is used.
Background technology
In recent years, nuclear magnetic resonance rock sample analytical technology had been widely used in fields such as nuclear magnetic resonance logging, nuclear magnetic resonance log and low permeability reservoir evaluation.But for the particular lithologic reservoir, like reservoirs such as conglomerate, limestone, pyrogenic rock, because the nonuniformity of this type sample is very strong, landwaste or little core sample representative relatively poor can't accurately reflect formation characteristics.Therefore, full diameter nuclear magnetic resonance rock sample analytical instrument receives everybody approval gradually.Because the standard model principal ingredient of common nuclear magnetic resonance rock sample analyser has certain toxicity, can't it directly be extended in the full diameter instrument.Early stage method is to utilize artificial sandstone or Berea sandstone to calibrate, and this calibrating method has only a calibration appearance, exists error bigger, and all need vacuumize saturatedly before each the measurement, operates cumbersome.Therefore, full diameter nuclear magnetic resonance rock sample analytical standard appearance becomes the bottleneck of full diameter nuclear magnetic resonance rock sample analytical technology development, is badly in need of research and development and is fit to the standard model that full diameter nuclear magnetic resonance apparatus uses.
Summary of the invention
The purpose of this invention is to provide a kind of full diameter nuclear magnetic resonance rock sample analyser standard sample, solve full-hole core calibration problem, improve full diameter rock sample porosity measurement precision, promote the development of full diameter nuclear magnetic resonance rock sample technology in petroleum exploration and development.
Full diameter nuclear magnetic resonance rock sample analytical standard appearance of the present invention is made up of cavity body structure and standard sample solution; Cavity body structure is made up of cylinder blanket and glass test tube; Even 43 diameter 1cm that distribute in the cylinder blanket of cavity body structure, length is the cylindrical aperture of 10cm, is placed with glass test tube in the aperture; Standard sample solution is contained in the glass test tube; The material of cylinder blanket is to gather tetrafluoro, and the standard sample solution composition is a copper-bath, and mass concentration is 300ppm～3000pp.
The effect of invention
The successful development of full diameter nuclear magnetic resonance rock sample analyser standard sample has been accelerated the speed that nuclear magnetic resonance technique is measured rock sample (diameter is less than 12cm) factor of porosity, has improved the measuring accuracy of instrument, makes full diameter nuclear magnetic resonance rock sample analytical technology more perfect.
Description of drawings
The full diameter nuclear magnetic resonance of Fig. 1 rock sample analytical standard appearance sectional view
The full diameter nuclear magnetic resonance of Fig. 2 rock sample analytical standard appearance cut-open view
Among the figure, 1. housing, 2. glass test tube
The full diameter nuclear magnetic resonance of Fig. 3 rock sample calibration line
Embodiment
Full diameter nuclear magnetic resonance rock sample analytical standard appearance of the present invention is made up of cavity body structure and standard sample solution; Cavity body structure is made up of cylinder blanket 1 and glass test tube 2; Even 43 diameter 1cm that distribute in the cylinder blanket of cavity body structure, length is the cylindrical aperture of 10cm, is placed with glass test tube in the aperture; Standard sample solution is contained in the glass test tube; The material of cylinder blanket is to gather tetrafluoro, and the standard sample solution composition is a copper-bath, and mass concentration is 300ppm～3000pp.
Full diameter nuclear magnetic resonance rock sample 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 appearance to measure, see that from figure the linearity is very good, reached 1.Solved the error that causes the measurement factor of porosity owing to calibration line is inaccurate, it is more accurate that a calibration line that utilizes full diameter calibration appearance to measure calculates factor of porosity.
Claims (1)
1. a full diameter nuclear magnetic resonance rock sample analyser standard sample is characterized in that: be made up of cavity body structure and standard sample solution; Cavity body structure is made up of cylinder blanket and glass test tube; Even 43 diameter 1cm that distribute in the cylinder blanket of cavity body structure, length is the cylindrical aperture of 10cm, is placed with glass test tube in the aperture; Standard sample solution is contained in the glass test tube; The material of cylinder blanket is to gather tetrafluoro, and the standard sample solution composition is a copper-bath, and mass concentration is 300ppm～3000pp.
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 true CN102338759A (en) | 2012-02-01 |
| CN102338759B CN102338759B (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254401A (en) * | 2018-01-15 | 2018-07-06 | 中南大学 | A kind of rock NMR instrument sample carries bed and its application method |
| CN110715888A (en) * | 2019-05-30 | 2020-01-21 | 西南石油大学 | Method for measuring size distribution change of sulfur deposit pores of high-sulfur-content gas reservoir core |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030057947A1 (en) * | 2001-09-26 | 2003-03-27 | Qingwen Ni | Nuclear magnetic resonance technology for non-invasive characterization of bone porosity and pore size distributions |
| 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 |
-
2010
- 2010-07-14 CN CN201010231391.XA patent/CN102338759B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030057947A1 (en) * | 2001-09-26 | 2003-03-27 | Qingwen Ni | Nuclear magnetic resonance technology for non-invasive characterization of bone porosity and pore size distributions |
| 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 (2)
| Title |
|---|
| 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)》, vol. 41, no. 4, 31 July 2005 (2005-07-31) * |
| 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》, vol. 27, no. 2, 31 March 2007 (2007-03-31) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254401A (en) * | 2018-01-15 | 2018-07-06 | 中南大学 | A kind of rock NMR instrument sample carries bed and its application method |
| CN110715888A (en) * | 2019-05-30 | 2020-01-21 | 西南石油大学 | Method for measuring size distribution change of sulfur deposit pores of high-sulfur-content gas reservoir core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102338759B (en) | 2014-08-06 |
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