CN203948091U - The analogue experiment installation of high angle hole resistivity logging Influence from Eccentric - Google Patents
The analogue experiment installation of high angle hole resistivity logging Influence from Eccentric Download PDFInfo
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- CN203948091U CN203948091U CN201420149228.2U CN201420149228U CN203948091U CN 203948091 U CN203948091 U CN 203948091U CN 201420149228 U CN201420149228 U CN 201420149228U CN 203948091 U CN203948091 U CN 203948091U
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Abstract
The analogue experiment installation of high angle hole resistivity logging Influence from Eccentric, comprise resistivity logging inserting tube, resistivity logging inserting tube distal end jointed rod top stube cable, cable is positioned in the middle of the second drilling rod, the first drilling rod is connected with the first bar pulley, the second drilling rod is connected with the second bar pulley, cable connects side direction pulley and is connected with logging cable winch, logging cable winch is connected with well logging control panel and computer, during operation, first use resistivity logging inserting tube in instrument situation placed in the middle, to measure the resistivity of artificial rock stratum, then by regulating variable height support to change the size of eccentricity, and in the eccentric situation of difference, measure the resistivity of artificial rock stratum, according to well logging control panel, regulate picking rate, and detect the running status of resistivity logging inserting tube, the resistivity signal that resistivity logging inserting tube records, is finally transferred in computer, and preserves, and solves and lacks the eccentric device problem that impact is measured on resistivity logging in high angle hole.
Description
Technical field
The utility model belongs to the Petrophysical measurement method in petroleum gas, CBM exploration and development, particularly the analogue experiment installation of the high angle hole resistivity logging Influence from Eccentric in petroleum gas, CBM exploration and development.
Background technology
Along with greatly developing of petroleum gas, CBM exploration and development, high angle hole quantity has had very large increase.Although deep investigation resistivity logging can be surveyed apart from the longer-distance formation resistivity of well, but due to instrument Action of Gravity Field, Influence from Eccentric often can not be ignored, bias causes the gap between instrument and the upper borehole wall larger, in gap, mud is larger to the contribution of resistivity measurements, makes its resistivity measurements be difficult to reflect the electrical property feature of real undisturbed formation.
In high angle hole, owing to being subject to gravity effect, instrument is easy to be partial to the lower borehole wall, and now the electric field in well must change, and presents asymmetric shape or on-circular symmetry.In high angle hole, log well, be unsuitable for and use centralizer etc. to make instrument placed in the middle, even if use centralizer, Influence from Eccentric is also unavoidable.Therefore, high angle hole Instrumental bias is larger on the impact of high angle hole resistivity logging.
At present, possessor has designed the eccentric simulated experiment on resistivity logging impact to the greatest extent, but bias still belongs to blank aspect the simulated experiment of resistivity logging impact in research high angle hole eye.Lacking of this device, hindered instrument bias and resistivity logging has been responded to the further research that affects mechanism.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, the purpose of this utility model is to provide the analogue experiment installation of high angle hole resistivity logging Influence from Eccentric, can in the eccentric situation of difference, measure the resistivity on stratum, and lack at present the eccentric device problem that impact is measured on resistivity logging of high angle hole for solving.
In order to achieve the above object, the technical solution of the utility model is:
The analogue experiment installation of high angle hole resistivity logging Influence from Eccentric, the resistivity logging inserting tube 3 that comprises the well 2 that is placed in artificial rock stratum 1, resistivity logging inserting tube 3 distal end connect the first drilling rod 4-1, top stube cable 5, cable 5 is positioned in the middle of the second drilling rod 4-2, the first drilling rod 4-1 is connected with the first bar pulley 6-1, the second drilling rod 4-2 is connected with the second bar pulley 6-2, cable 5 connects side direction pulley 7 and is connected with logging cable winch 8, and logging cable winch 8 is connected with well logging control panel 11 and computer 10.
Described side direction pulley 7 is fixed by fixing high trestle 12.
The first described bar pulley 6-1 and the second bar pulley 6-2 are all fixing with adjustable-height support 13 separately.
The utlity model has following beneficial effect: the utility model can be measured the resistivity in different eccentric situations, thereby verify the inherent quantitative relationship between eccentric and resistivity logging response, disclose the eccentric mechanism that affects on resistivity logging; The utility model apparatus structure is simple, easy to operate, adaptable.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present utility model.
In figure, 1-artificial rock stratum, 2-well, 3-resistivity logging inserting tube, 4-1 the first drilling rod, 4-2-the second drilling rod, 5-cable, 6-1-the first bar pulley, 6-2-the second bar pulley, 7-side direction pulley, 8-logging cable winch, 9-signal transmssion line, 10-computer, 11-well logging control panel, 12-fixing high trestle, 13-adjustable-height support.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
With reference to accompanying drawing, the analogue experiment installation of high angle hole resistivity logging Influence from Eccentric, the resistivity logging inserting tube 3 that comprises the well 2 that is placed in artificial rock stratum 1, resistivity logging inserting tube 3 distal end connect the first drilling rod 4-1, top stube cable 5, and cable 5 is positioned in the middle of the second drilling rod 4-2, the first drilling rod 4-1 is connected with the first bar pulley 6-1, the second drilling rod 4-2 is connected with the second bar pulley 6-2, and to keep logger at the uniform velocity in moving process, eccentricity is consistent.Cable 5 connects side direction pulley 7 and is connected with logging cable winch 8, and logging cable winch 8 is connected with well logging control panel 11 and computer 10.
Described side direction pulley 7 is fixed by fixing high trestle 12.
The first described bar pulley 6-1 and the second bar pulley 6-2 are all fixing with adjustable-height support 13 separately.
The utility model test process is: first, for the preparation of artificial rock stratum 1 and the well 2 of simulated experiment, place resistivity logging inserting tube 3.During operation, first use resistivity logging inserting tube 3 in instrument situation placed in the middle, to measure the resistivity of artificial rock stratum 1, then by regulating variable height support to change the size of eccentricity, and in the eccentric situation of difference, measure the resistivity of artificial rock stratum.In resistivity logging process, according to well logging control panel 11, regulate picking rate, and detect the running status of resistivity logging inserting tube.The resistivity signal that resistivity logging inserting tube 3 records, through cable 5, holding wire 9, control panel 11, is finally transferred in computer 10, and preserves.
Resistivity logging inserting tube eccentric system is comprised of drilling rod 4, bar pulley 6 and adjustable-height support 13.Bar pulley 6 is fixing by adjustable-height support 13, in order to carry out the resistivity simulation experiment under different Influence from Eccentric, regulates the height of support 13, to change the size of its eccentricity.
Application the utility model, resistivity logging inserting tube at the uniform velocity moves according to well logging actual speed from left to right, i.e. the resistivity of rock stratum in different eccentric situations in detectable high angle hole; By contrasting the resistivity recording under resistivity, eccentric different situations under condition without acceptance of persons, realize the simulated experiment of high angle hole Influence from Eccentric, find out the inherent quantitative relationship between Influence from Eccentric and resistivity logging response in high angle hole.Therefore, can be more real in quantification simulation high angle hole the eccentric mechanism that affects on resistivity logging response be crucial innovation of the present utility model place.
The utility model provides a kind of experimental facilities that can simulate the response of high angle hole resistivity logging, and this device has important practical value for verifying the eccentric mechanism that affects on resistivity logging response.
In the analogue experiment installation of this high angle hole Influence from Eccentric, the hole angle along design in artificial rock stratum 1 drills through high angle hole eye 2.Under high angle hole eye condition, log well, due to Action of Gravity Field, instrument is easy to be partial to the borehole wall under well, thereby causes resistivity logging tool to be subject to eccentric impact.
Claims (3)
1. the analogue experiment installation of high angle hole resistivity logging Influence from Eccentric, it is characterized in that, the resistivity logging inserting tube (3) that comprises the well (2) that is placed in artificial rock stratum (1), resistivity logging inserting tube (3) distal end connects the first drilling rod (4-1), top stube cable (5), cable (5) is positioned in the middle of the second drilling rod (4-2), the first drilling rod (4-1) is connected with the first bar pulley (6-1), the second drilling rod (4-2) is connected with the second bar pulley (6-2), cable (5) connects side direction pulley (7) and is connected with logging cable winch (8), logging cable winch (8) is connected with well logging control panel (11) and computer (10).
2. the analogue experiment installation of high angle hole resistivity logging Influence from Eccentric according to claim 1, is characterized in that, described side direction pulley (7) is fixed by fixing high trestle (12).
3. the analogue experiment installation of high angle hole resistivity logging Influence from Eccentric according to claim 1, is characterized in that, the first described bar pulley (6-1) and the second bar pulley (6-2) are all fixing with adjustable-height support (13) separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149228.2U CN203948091U (en) | 2014-03-28 | 2014-03-28 | The analogue experiment installation of high angle hole resistivity logging Influence from Eccentric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149228.2U CN203948091U (en) | 2014-03-28 | 2014-03-28 | The analogue experiment installation of high angle hole resistivity logging Influence from Eccentric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203948091U true CN203948091U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420149228.2U Expired - Fee Related CN203948091U (en) | 2014-03-28 | 2014-03-28 | The analogue experiment installation of high angle hole resistivity logging Influence from Eccentric |
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| CN (1) | CN203948091U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878061A (en) * | 2020-06-29 | 2020-11-03 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Visual experimental apparatus of operation tool string trafficability characteristic in inclined shaft |
| CN111878062A (en) * | 2020-06-29 | 2020-11-03 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Visual experiment method for trafficability of operation tool string in inclined shaft |
-
2014
- 2014-03-28 CN CN201420149228.2U patent/CN203948091U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878061A (en) * | 2020-06-29 | 2020-11-03 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Visual experimental apparatus of operation tool string trafficability characteristic in inclined shaft |
| CN111878062A (en) * | 2020-06-29 | 2020-11-03 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Visual experiment method for trafficability of operation tool string in inclined shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20150328 |
|
| EXPY | Termination of patent right or utility model |