CN101936705A - High-temperature high-pressure dynamic mud shale expansion amount tester - Google Patents
High-temperature high-pressure dynamic mud shale expansion amount tester Download PDFInfo
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- CN101936705A CN101936705A CN 201010201755 CN201010201755A CN101936705A CN 101936705 A CN101936705 A CN 101936705A CN 201010201755 CN201010201755 CN 201010201755 CN 201010201755 A CN201010201755 A CN 201010201755A CN 101936705 A CN101936705 A CN 101936705A
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Abstract
The invention relates to a monitoring instrument for the expansion rate of formation substances in oil exploitation, in particular to a high-temperature high-pressure dynamic shale expansion amount tester, which comprises an angular displacement detection device, an amplification device (4), an air inlet pipe (6), a shale containing barrel (7), a magnetic ripple stirring barrel (8), a test rod (9), a stirring barrel connecting magnet (12), an external driving magnet, a constant-temperature heating sleeve (14), a liquid containing cup (15) and a motor (16), and is characterized in that the motor drives the external driving magnet to rotate, so that the internal magnetic ripple stirring barrel (8) rotates, the shale expansion amount is transmitted to the amplification device (4) through the test rod (9), and is transmitted to the angular displacement detection device through the amplification effect of the amplification device (4). The measuring device is completely isolated from the measured body, and the measuring body is completely of a mechanical structure, so that the measuring reliability is ensured, and the defect that the sensor cannot work under the conditions of high temperature and high pressure is overcome.
Description
Technical field
The present invention relates to the monitoring instrument of mud shale expansion rate in stratum in a kind of oil exploitation, is a kind of High Temperature High Pressure dynamic swelling quantitative determination instrument specifically.
Background technology
In Petroleum Exploration Engineering or oil exploitation process, the mud shale stratum imbibition is one of principal element that influences borehole wall stability, High Temperature High Pressure dynamic swelling instrument, can be preferably under uniform temperature and pressure condition, and the simulation drilling condition, study test shale hydration expansion characteristics, and estimate preferred anti-collapse dose, provide a kind of advanced person's means of testing, fields such as the antiswelling agent evaluation that can be used for recovering the oil, geology ground.
The measuring instrument of traditional High Temperature High Pressure shale hydration expansion characteristics, measuring accuracy is not high, poor repeatability, stability is bad, and all is static, can not simulation well under dynamic environment.And the electrical type sensor package that the measuring instrument of traditional High Temperature High Pressure shale hydration expansion characteristics adopts lost efficacy under the condition of High Temperature High Pressure in the closed container of High Temperature High Pressure easily.
The present invention aims to provide a kind of novel High Temperature High Pressure dynamic swelling quantitative determination instrument, solved dynamic environment in the simulation drilling process, solved simultaneously, sensor is inoperable shortcoming under high-temperature and high-pressure conditions, and has fundamentally solved the high precision measurement problem of mud shale High Temperature High Pressure dynamic swelling amount.
Summary of the invention
In order to realize this goal of the invention, the present invention is achieved by the following technical solutions:
A kind of High Temperature High Pressure dynamic swelling quantitative determination instrument comprises that angular displacement sensor, outside induction installation (magnet), inner magnet, gear multiplying arrangement, draft tube, shale contain bucket, magnetic agitation tube, reference test bar, be connected magnet, temperature sensor, heated at constant temperature cover, liquid holding cup motor with the magnetic agitation tube.It is characterized in that driven by motor magnet rotates, make inner magnetic force churn rotate, the magnetic agitation tube processes spiralling stirring vane outward, simulation drilling well dynamic condition.The mud shale expansion amount is delivered to gear by reference test bar, makes through the amplification of gear set the inner magnet rotation to form airtight test environment fully, and use suspension type shale to contain bucket, shale is contained bucket and gone up a perforate.
Aforesaid High Temperature High Pressure dynamic swelling quantitative determination instrument, driven by motor magnet rotates, and makes inner magnetic force churn rotate, and the magnetic agitation tube processes spiralling stirring vane outward, and stirring vane can be simulated the drilling well dynamic condition and be stirred test liquid.
Aforesaid High Temperature High Pressure dynamic swelling quantitative determination instrument, the mud shale expansion amount is delivered to gear by reference test bar, makes through the amplification of gear set to form the inner magnet rotation airtight test environment fully, and amplified measured physical quantity.
Aforesaid High Temperature High Pressure dynamic swelling quantitative determination instrument uses suspension type shale to contain bucket, and shale is contained bucket and gone up perforate.Liquid fully contacts with mud shale like this, and makes the instrument volume-diminished.
Measurement mechanism of the present invention and measured body are isolated fully, are physical construction fully in the test body, do not have any electronic original part, thereby make the internal work temperature can be up to more than 250 degrees centigrade, and conventional maximum operating temperature has only 150 degrees centigrade.Simultaneously, owing to adopt full-closed structure, whole test still and extraneous no any dynamic seal (packing) problem, thus make the still internal pressure to improve greatly, and the highest test pressure can reach 15MP.Utilize magnetic force ripple churn not only to realize the dynamic agitation of mud, and utilize ripple to realize the motion of mud, thereby can simulate actual drilling process better in vertical direction along the test specimens peripheral direction.The present invention is based on pure mechanical enlarger, realized utilizing the enlarging function of pure mechanical system, make that measuring accuracy is higher small displacement; The present invention utilizes the NS strong magnet to realize that non-contact type stirs driving and magnet induction type or camera image identification mode and detects angular displacement, has solved the airtight problem of test still.
Description of drawings
Fig. 1 is the cross-sectional view of the first embodiment of the present invention.
Fig. 2 is the cross-sectional view of the second embodiment of the present invention.
Among Fig. 1,1-cover plate, 2-high temperature high voltage resistant transparency glass plate, 3-camera, 4-multiplying arrangement (dial gauge or clock gauge), the shockproof oil of 5-, 6-draft tube, 7-shale Sheng bucket, 8-magnetic force ripple churn, 9-reference test bar, 10-mud shale, 11-test liquid, 12-are connected magnet, 13-temperature sensor, 14-heated at constant temperature cover, 15-liquid holding cup, 16 motors with the magnetic agitation tube.
Among Fig. 2,1-angular displacement sensor, the outside induction installation (magnet) of 2-, 3-inner magnet, 4-multiplying arrangement (gear set amplification), the shockproof oil of 5-, 6-draft tube, 7-shale Sheng bucket, 8-magnetic force ripple churn, 9-reference test bar, 10-mud shale, 11-test liquid, 12-are connected magnet, 13-temperature sensor, 14-heated at constant temperature cover, 15-liquid holding cup, 16-motor with the magnetic agitation tube.
Embodiment
Be somebody's turn to do the embodiment of inventing below in conjunction with description of drawings, but not as the qualification to summary of the invention:
High Temperature High Pressure dynamic swelling instrument as shown in Figure 1, comprise heated at constant temperature cover 14, put into liquid holding cup 15 in the heating jacket, fill a certain amount of test liquid 11 in the liquid holding cup, shale is contained bucket 7 and is suspended on the liquid holding cup 15, and shale is contained in the bucket 7 and filled mud shale sample 10, carry out gas boosting by draft tube 6, by heating jacket 14 heating, temperature sensor 13 is gone into liquid holding cup 15 inside by hole depth, records accurate internal temperature.On the magnetic force ripple churn 8 magnet 12 is arranged, externally under the rotation of motor 16, stir, shale is contained on the bucket 7 porose, and test liquid can enter mud shale sample 10 by the hole.Mud shale sample 10 produces expansion after soaked with liquid, the amount that expands is delivered to multiplying arrangement 4 (dial gauge or clock gauge) by reference test bar 9, multiplying arrangement 4 (dial gauge or clock gauge) is preceding transparent form 2, camera 3 can be had an X-rayed the reading of multiplying arrangement 4 (dial gauge or clock gauge) through transparent window 2, machine image recognition software reading numerical values as calculated, thus measure the numerical value of swell increment.
High Temperature High Pressure dynamic swelling instrument as shown in Figure 2, comprise heated at constant temperature cover 14, put into liquid holding cup 15 in the heating jacket, fill a certain amount of test liquid 11 in the liquid holding cup, shale is contained bucket 7 and is suspended on the liquid holding cup 15, and shale is contained in the bucket 7 and filled mud shale sample 10, carry out gas boosting by draft tube 6, by heating jacket 14 heating, temperature sensor 13 is gone into liquid holding cup 15 inside by hole depth, records accurate internal temperature.On the magnetic force ripple churn 8 magnet 12 is arranged, externally under the rotation of motor 16, stir, shale is contained on the bucket 7 porose, and test liquid can enter mud shale sample 10 by the hole.Mud shale sample 10 produces expansion after soaked with liquid, the amount that expands is delivered to multiplying arrangement 4 (gear set amplification) by reference test bar 9 swell increment is carried out processing and amplifying, form the angular displacement of inner magnet 3 then, on the outside induction installation 2 magnet is arranged, magnet induction inner magnet 3 is rotated, and also shape has a certain degree.On the outside induction installation 2 synchronous angular displacement sensor 1 is housed and measures angular displacement, thereby measure the numerical value of swell increment.
Measurement mechanism of the present invention and measured body are isolated fully, are physical construction fully in the test body, do not have any electronic original part, thereby make the internal work temperature can be up to more than 250 degrees centigrade, and conventional maximum operating temperature has only 150 degrees centigrade.Simultaneously, owing to adopt full-closed structure, whole test still and extraneous no any dynamic seal (packing) problem, thus make the still internal pressure to improve greatly, and the highest test pressure can reach 15MP.
The present invention utilizes magnetic force ripple churn, process spiralling stirring vane in the magnetic force ripple churn outside, stirring vane rotation agitated liquid, not only realized the dynamic agitation of mud along the test specimens peripheral direction, and utilize ripple to realize the motion of mud in vertical direction, thereby can simulate actual drilling process better, simulation drilling well dynamic condition.
The present invention is based on pure mechanical enlarger, realized utilizing the enlarging function of pure mechanical system, make that measuring accuracy is higher small displacement.
The present invention utilizes the NS strong magnet to realize that non-contact type stirs driving and magnet induction type or camera image identification mode and detects angular displacement, has solved the airtight problem of test still.
In sum, the invention provides a kind of novel High Temperature High Pressure dynamic swelling quantitative determination instrument, solved dynamic environment in the simulation drilling process, solve sensor inoperable shortcoming under high-temperature and high-pressure conditions simultaneously, and fundamentally solved the high precision measurement problem of mud shale High Temperature High Pressure dynamic swelling amount.
Claims (7)
1. High Temperature High Pressure dynamic swelling quantitative determination instrument, comprise the Angular Displacement Detecting device, multiplying arrangement (4), draft tube (6), shale is contained bucket (7), magnetic force ripple churn (8), reference test bar (9), churn connects magnet (12), external drive magnet, heated at constant temperature cover (14), liquid holding cup (15), motor (16), it is characterized in that, driven by motor external drive magnet rotates, make inner magnet Reeb line churn (8) rotate, the shale expansion amount is delivered to multiplying arrangement (4) by reference test bar (9), and the amplification of process multiplying arrangement (4) is delivered to the Angular Displacement Detecting device.
2. High Temperature High Pressure swell increment analyzer according to claim 1 is characterized in that magnetic force ripple churn processes spiralling stirring vane outward, and stirring vane rotation agitated liquid can be simulated the drilling well dynamic condition.
3. High Temperature High Pressure swell increment analyzer according to claim 1 is characterized in that, described Angular Displacement Detecting device is contactless magnetic force coupling measurement device, and multiplying arrangement (4) is that gear set amplifies.
4. High Temperature High Pressure swell increment analyzer according to claim 3 is characterized in that, described non-contact type magnetic coupling measurement device comprises angular displacement sensor (1), outside induction installation (2) and inner magnet (3).
5. High Temperature High Pressure swell increment analyzer according to claim 1 is characterized in that, described Angular Displacement Detecting device is that camera detects machine image recognition as calculated and measures, and its multiplying arrangement (4) is dial gauge or clock gauge.
6. High Temperature High Pressure swell increment analyzer according to claim 1 is characterized in that, described shale is contained bucket (7) and adopted suspended structure, processes the outer at an upper portion thereof, hangs on the interior edge of liquid holding cup (15).
7. High Temperature High Pressure swell increment analyzer according to claim 6 is characterized in that, described shale is contained on bucket (7) sidewall and is processed with liquid flowing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010201755XA CN101936705B (en) | 2010-06-17 | 2010-06-17 | High-temperature high-pressure dynamic mud shale expansion amount tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010201755XA CN101936705B (en) | 2010-06-17 | 2010-06-17 | High-temperature high-pressure dynamic mud shale expansion amount tester |
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| Publication Number | Publication Date |
|---|---|
| CN101936705A true CN101936705A (en) | 2011-01-05 |
| CN101936705B CN101936705B (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010201755XA Expired - Fee Related CN101936705B (en) | 2010-06-17 | 2010-06-17 | High-temperature high-pressure dynamic mud shale expansion amount tester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590476A (en) * | 2012-02-10 | 2012-07-18 | 浙江大学 | Vertisol expansion coefficient measurement device and application thereof |
| CN103604360A (en) * | 2013-11-14 | 2014-02-26 | 中国矿业大学 | Cantilever differential type ground crack displacement testing instrument |
| CN105043889A (en) * | 2015-08-06 | 2015-11-11 | 三峡大学 | Rock expansion testing apparatus with soaking-air drying circulation effect considered |
| CN112595284A (en) * | 2021-03-04 | 2021-04-02 | 山东胜工检测技术有限公司 | Special calibration device for shale dilatometer and installation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279444A (en) * | 1980-01-07 | 1981-07-21 | Occidental Oil Shale, Inc. | Jetting out weak areas for forming an in situ oil shale retort |
| CN1091795A (en) * | 1993-12-06 | 1994-09-07 | 河海大学 | Expansive rock soil local detector |
| CN2700883Y (en) * | 2004-06-03 | 2005-05-18 | 余维初 | Non-contact high temperature and high pressure intelligent expanding instrument |
| CN200993652Y (en) * | 2006-12-22 | 2007-12-19 | 青岛胶南分析仪器厂 | High temperature high-pressure mud shale expansion measuring equipment |
-
2010
- 2010-06-17 CN CN201010201755XA patent/CN101936705B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279444A (en) * | 1980-01-07 | 1981-07-21 | Occidental Oil Shale, Inc. | Jetting out weak areas for forming an in situ oil shale retort |
| CN1091795A (en) * | 1993-12-06 | 1994-09-07 | 河海大学 | Expansive rock soil local detector |
| CN2700883Y (en) * | 2004-06-03 | 2005-05-18 | 余维初 | Non-contact high temperature and high pressure intelligent expanding instrument |
| CN200993652Y (en) * | 2006-12-22 | 2007-12-19 | 青岛胶南分析仪器厂 | High temperature high-pressure mud shale expansion measuring equipment |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590476A (en) * | 2012-02-10 | 2012-07-18 | 浙江大学 | Vertisol expansion coefficient measurement device and application thereof |
| CN102590476B (en) * | 2012-02-10 | 2014-06-25 | 浙江大学 | Vertisol expansion coefficient measurement device and application thereof |
| CN103604360A (en) * | 2013-11-14 | 2014-02-26 | 中国矿业大学 | Cantilever differential type ground crack displacement testing instrument |
| CN105043889A (en) * | 2015-08-06 | 2015-11-11 | 三峡大学 | Rock expansion testing apparatus with soaking-air drying circulation effect considered |
| CN105043889B (en) * | 2015-08-06 | 2017-09-05 | 三峡大学 | It is a kind of to consider the rock expansion tester that immersion air-dries ringing |
| CN112595284A (en) * | 2021-03-04 | 2021-04-02 | 山东胜工检测技术有限公司 | Special calibration device for shale dilatometer and installation method thereof |
| CN112595284B (en) * | 2021-03-04 | 2021-05-28 | 山东胜工检测技术有限公司 | Special calibration device for shale dilatometer and installation method thereof |
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| Publication number | Publication date |
|---|---|
| CN101936705B (en) | 2012-03-14 |
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Granted publication date: 20120314 Termination date: 20120617 |