CN103823042B - Petrophysical parameter experiment probe under the full cementstone High Pressure Drain condition of a kind of measurement - Google Patents
Petrophysical parameter experiment probe under the full cementstone High Pressure Drain condition of a kind of measurement Download PDFInfo
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- CN103823042B CN103823042B CN201410081640.XA CN201410081640A CN103823042B CN 103823042 B CN103823042 B CN 103823042B CN 201410081640 A CN201410081640 A CN 201410081640A CN 103823042 B CN103823042 B CN 103823042B
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- high pressure
- perforate
- supporting pad
- groove
- filter screen
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- 239000000523 sample Substances 0.000 title claims abstract description 57
- 238000005259 measurement Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000004575 stone Substances 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 241000168254 Siro Species 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Petrophysical parameter experiment probe under the full cementstone High Pressure Drain condition of a kind of measurement: the center, upper surface of probe base is provided with a perforate, the bottom surface of probe base corresponds to position of opening and establishes a groove, the diameter of groove is greater than the diameter of perforate, and groove communicates with perforate; One end of high pressure resistant draining bar plugs and is fixed in this perforate, is provided with supporting pad in groove, and supporting pad touch high pressure resistant draining bar and is plugged in one end in perforate; The below of supporting pad is provided with screen pack; One filter screen thread plate is located at the bottom surface of groove, by the extruding that screws of filter screen thread plate, supporting pad is connected with screen pack; The center of supporting pad and filter screen thread plate is provided with perforate, and the diameter of perforate is equal with high pressure resistant draining bar internal diameter, and supporting pad, filter screen thread plate and high pressure resistant draining bar internal diameter are in a straight line.
Description
Technical field
The present invention relates to one and can measure petrophysical parameter experiment probe under full cementstone High Pressure Drain condition.
Background technology
Underground shale layer not only can as the cap rock of the resources such as oil, gas, water, the also frequent reservoir as these resources, therefore studies mud stone extremely important containing the physical property after fluid.But at present laboratory is used for measuring the probe of physical parameter under fluid saturated rocks High Pressure Drain condition and can only measures dry mud stone or gassiness mud stone, if petrophysical parameter will run into following problem under measuring full cementstone High Pressure Drain condition:
One is that mudstone sample shale index is too high, when the laggard horizontal high voltage of full water is tested, experimental channel can be entered from probe drainage pipeline because of the extruding of high pressure, thus cause the Severe blockage of probe drainage pipeline and experimental channel, cleaning is got up very difficult, even need the probe that more renews and experimental channel, cause serious waste;
Two be shale be squeezed into pipeline too many after sample can be made thoroughly to be out of shape, once having tested rear sample will cancel, and can not carry out further measuring study to it.
Summary of the invention
Under the object of the present invention is to provide the full cementstone High Pressure Drain condition of a kind of measurement, petrophysical parameter experiment is popped one's head in, this probe can carry out petrophysical parameter experiment test under High Pressure Drain condition after the completely full water of mud stone to it, and can ensure that shale can not blocking experiment pipeline, and laboratory sample can not be destroyed.
For achieving the above object, measurement provided by the invention is satisfied petrophysical parameter experiment probe under cementstone High Pressure Drain condition, and its structure is:
The center, upper surface of probe base is provided with a perforate, and the bottom surface of probe base corresponds to position of opening and establishes a groove, and the diameter of groove is greater than the diameter of perforate, and groove communicates with perforate;
One end of high pressure resistant draining bar plugs and is fixed in this perforate, is provided with supporting pad in groove, and supporting pad touch high pressure resistant draining bar and is plugged in one end in perforate;
The below of supporting pad is provided with screen pack;
One filter screen thread plate is located at the bottom surface of groove, by the extruding that screws of filter screen thread plate, supporting pad is connected with screen pack;
The center of supporting pad and filter screen thread plate is provided with perforate, and the diameter of perforate is equal with high pressure resistant draining bar internal diameter, and supporting pad, filter screen thread plate and high pressure resistant draining bar internal diameter are in a straight line.
Described measurement is satisfied under cementstone High Pressure Drain condition in petrophysical parameter experiment probe, and the opening diameter of probe base is identical with high pressure resistant draining bar external diameter, and high pressure resistant draining bar is welded in the perforate of probe base.
Described measurement is satisfied under cementstone High Pressure Drain condition in petrophysical parameter experiment probe, and the bottom surface of groove is provided with screw thread, is screwed with filter screen thread plate.
Described measurement is satisfied under cementstone High Pressure Drain condition in petrophysical parameter experiment probe, and screen pack is a set of screen pack with unlike material and different holes order number, selects different screen packs according to the actual conditions of mudstone sample.
Measurement of the present invention is satisfied petrophysical parameter experiment probe under cementstone High Pressure Drain condition, petrophysical parameter experiment test under High Pressure Drain condition can be carried out to it after the completely full water of mud stone, and can ensure that shale can not blocking experiment pipeline, sample can not be destroyed, thus many experiments research can be carried out to mudstone sample, solve the difficult problem measured at present petrophysical parameter under full cementstone High Pressure Drain condition and run into.In addition, probe dismounting of the present invention is simple, can change the screen pack of unlike material or different holes order number according to the actual conditions of mudstone sample at any time, also can superpose which floor screen pack simultaneously and use, substantially increase scientific research efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Primary clustering symbol description in accompanying drawing:
The high pressure resistant draining bar of 1-, 2-welding mouth, 3-probe base, 4-supporting pad, 5-screen pack, 6-filter screen thread plate.
Embodiment
Measurement of the present invention is satisfied petrophysical parameter experiment probe under cementstone High Pressure Drain condition, is made up of parts such as high pressure resistant draining bar, probe base, supporting pad, screen pack, filter screen thread plates.The position perforate of probe base upper center, opening diameter is identical with high pressure resistant draining bar external diameter, and high pressure resistant draining bar passes perforate and is welded on probe base; Bottom center's position recessing of probe base, groove diameter is greater than the opening diameter of upper surface, height is to high pressure resistant draining bar lower end, the tapping of groove lower end is for installing filter screen thread plate, supporting pad, screen pack and filter screen thread plate are from top to bottom installed in groove, make supporting pad, screen pack and filter screen thread plate compact siro spinning technology by the extruding that screws of filter screen thread plate; The center perforate of supporting pad and filter screen thread plate, opening diameter is equal with high pressure resistant draining bar internal diameter; The screen pack of a set of unlike material of probe configuration, different holes order number, can select different screen packs according to the actual conditions of mudstone sample during experiment, or the use which floor screen pack can be superimposed; High pressure resistant draining bar, supporting pad perforate and the perforate of filter screen thread plate are point-blank, supporting pad has elasticity, top closely entirely touch above probe grooves, and below tightly withstands screen pack and filter screen thread plate fits together, and improves the sealing of filter screen thread plate.
Below in conjunction with accompanying drawing, the present invention is elaborated.
Incorporated by reference to Fig. 1.Sonde configuration of the present invention is, the position perforate of probe base 3 upper center, opening diameter is identical with high pressure resistant draining bar 1 external diameter, and high pressure resistant draining bar 1 passes perforate and is welded on probe base 3, for the purpose of firm, between high pressure resistant draining bar 1 and probe base 3, form a welding mouth 2.The position recessing of probe base 3 lower central, groove diameter is greater than upper end opening diameter, height is to high pressure resistant draining bar 1 lower end, the tapping of groove lower end is for installing filter screen thread plate 6, supporting pad 4, screen pack 5 and filter screen thread plate 6 are from top to bottom installed in groove, make supporting pad 4, screen pack 5 and filter screen thread plate 6 compact siro spinning technology by the extruding that screws of filter screen thread plate 6; The center perforate of supporting pad 4 and filter screen thread plate 6, opening diameter is equal with high pressure resistant draining bar internal diameter 1; The screen pack of a set of unlike material of probe configuration, different holes order number, can select different screen packs according to the actual conditions of mudstone sample during experiment, or the use which floor screen pack can be superimposed; High pressure resistant draining bar 1, supporting pad 4 perforate and filter screen thread plate 6 perforate are point-blank, supporting pad 4 has elasticity, top closely entirely touch above probe grooves, and below is tightly withstood screen pack 5 and fit together with filter screen thread plate 6, improves the sealing of filter screen thread plate 6.When carrying out physical properties of rock experiment under full cementstone High Pressure Drain condition, under pressure, after a small amount of shale in sample and water enter filter screen thread plate 6 central passage, shale is filtered net 5 and blocks, water arrives high pressure resistant draining bar 1 by supporting pad 4 central passage after filter screen 5 filters, and discharges finally by high pressure resistant draining bar 1.After having tested, by water from high pressure resistant draining bar 1 inverse injection, a small amount of shale remained in inside screen pack 5 lower surface and filter screen thread plate 6 passage can be rinsed, to keep the clean and unimpeded of drainage channel.This sonde configuration can ensure full cementstone sample, and in the experiment of High Pressure Drain condition physical properties of rock, shale can not blocking experiment pipeline, and sample can not be destroyed, thus can carry out many experiments research to mudstone sample.
Claims (4)
1. petrophysical parameter experiment probe under the full cementstone High Pressure Drain condition of measurement, its structure is:
The center, upper surface of probe base is provided with a perforate, and the bottom surface of probe base corresponds to position of opening and establishes a groove, and the diameter of groove is greater than the diameter of perforate, and groove communicates with perforate;
One end of high pressure resistant draining bar plugs and is fixed in this perforate, is provided with supporting pad in groove, and supporting pad touch high pressure resistant draining bar and is plugged in one end in perforate, and supporting pad has elasticity;
The below of supporting pad is provided with screen pack;
One filter screen thread plate is located at the bottom surface of groove, by the extruding that screws of filter screen thread plate, supporting pad is connected with screen pack;
The center of supporting pad and filter screen thread plate is provided with perforate, and the diameter of perforate is equal with high pressure resistant draining bar internal diameter, and supporting pad, filter screen thread plate and high pressure resistant draining bar internal diameter are in a straight line.
2. measurement according to claim 1 is satisfied petrophysical parameter experiment probe under cementstone High Pressure Drain condition, and wherein, the opening diameter of probe base is identical with high pressure resistant draining bar external diameter, and high pressure resistant draining bar is welded in the perforate of probe base.
3. measurement according to claim 1 is satisfied petrophysical parameter experiment probe under cementstone High Pressure Drain condition, and wherein, the bottom surface of groove is provided with screw thread, is screwed with filter screen thread plate.
4. measurement according to claim 1 is satisfied petrophysical parameter experiment probe under cementstone High Pressure Drain condition, and wherein, screen pack is a set of screen pack with unlike material and different holes order number, selects different screen packs according to the actual conditions of mudstone sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081640.XA CN103823042B (en) | 2014-03-07 | 2014-03-07 | Petrophysical parameter experiment probe under the full cementstone High Pressure Drain condition of a kind of measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081640.XA CN103823042B (en) | 2014-03-07 | 2014-03-07 | Petrophysical parameter experiment probe under the full cementstone High Pressure Drain condition of a kind of measurement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103823042A CN103823042A (en) | 2014-05-28 |
| CN103823042B true CN103823042B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410081640.XA Expired - Fee Related CN103823042B (en) | 2014-03-07 | 2014-03-07 | Petrophysical parameter experiment probe under the full cementstone High Pressure Drain condition of a kind of measurement |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546662B (en) * | 2016-10-31 | 2019-11-08 | 中国科学院地质与地球物理研究所 | Rocks acoustic velocity test method under the conditions of a kind of full cement rock High Pressure Drain |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4710948A (en) * | 1985-12-13 | 1987-12-01 | Atlantic Richfield Company | Geologic core holder with composite barrel |
| CN201429594Y (en) * | 2009-04-29 | 2010-03-24 | 长安大学 | High-pressure infiltration consolidation instrument |
| CN102419363A (en) * | 2011-12-05 | 2012-04-18 | 中国石油大学(华东) | Core clamping mechanism |
-
2014
- 2014-03-07 CN CN201410081640.XA patent/CN103823042B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4710948A (en) * | 1985-12-13 | 1987-12-01 | Atlantic Richfield Company | Geologic core holder with composite barrel |
| CN201429594Y (en) * | 2009-04-29 | 2010-03-24 | 长安大学 | High-pressure infiltration consolidation instrument |
| CN102419363A (en) * | 2011-12-05 | 2012-04-18 | 中国石油大学(华东) | Core clamping mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 泥岩蠕变行为试验研究;万玲等;《2009年度海峡两岸工程力学研讨会》;20091231;第197-202页 * |
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| CN103823042A (en) | 2014-05-28 |
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Granted publication date: 20160120 |