CN204851240U - Induction logger scale device - Google Patents
Induction logger scale device Download PDFInfo
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- CN204851240U CN204851240U CN201520528172.6U CN201520528172U CN204851240U CN 204851240 U CN204851240 U CN 204851240U CN 201520528172 U CN201520528172 U CN 201520528172U CN 204851240 U CN204851240 U CN 204851240U
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- analog scaling
- resistance
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- scaling post
- induction log
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Abstract
The utility model discloses an induction logger scale device is applied to oil field induction logging field, and whole device includes data processing module, cable simulator, equipment stand, resistance allotment box, simulation scale post, pump speed adjusting festival ware and hose, wherein: resistance allotment box, simulation scale post and pump speed adjusting festival ware pass through the circulation flowing space that the hose connection constitutes resistance liquid among the induction logger scale device, and the change of simulation scale conductivity and instrument motion realizes the test to induction logger's detection performance. The utility model discloses simple structure, flexible operation provide the scale device that more accords with well logging reality, reduce instrument measuring error, help promoting the on -the -spot well logging quality of using of instrument, improve stratum comprehensive evaluation of effect.
Description
Technical field
The utility model belongs to petrol resources exploitation technical field, particularly a kind of induction log tool graduation apparatus.
Background technology
Induction log tool all needed to carry out scale before going into the well, and while guarantee instrument normally works, the corresponding relation set up survey data and measure between electrical conductivity, for the evaluation of instrument detection performance and the explanation of log data lay the foundation.Traditional scale method adopts the copper ring of certain diameter fixed resistance computed in advance of connecting to be enclosed within homogeneous formation coil array calibration points replacing known conductivity, a kind of simple linear relationship is set up between induction logging reading and conductivity of homogeneous formation, and by the impact of Kelvin effect in practical logging process, be more complicated nonlinear function between log reading and electrical conductivity, the simplification of scale model reduces the accuracy of apparatus measures.The point that scale method traditional is in addition only applicable to induction log tool surveys simulation, induction log tool translational speed on the impact of measurement result, cannot be unfavorable for the raising of logging efficiency in scale continuous measurement situation.
Summary of the invention
For above problem, the purpose of this utility model is to provide a kind of induction log tool graduation apparatus, and have structure simple, the feature of flexible operation, more realistic logging environment, can meet the scale analysis of continuous measurement.
In order to achieve the above object, the technical scheme that the utility model adopts is: a kind of induction log tool graduation apparatus, comprises data processing module, cable simulator, instrument support, resistance allotment box, analog scaling post, pump speed adjuster and flexible pipe.Wherein: one end of described cable simulator is connected with data processing module by wire, the other end of cable simulator is connected with induction log tool by wire.Induction log tool is unsettled to be placed on instrument support, and induction log tool, through the central through hole of analog scaling post, makes analog scaling column sleeve be connected on induction log tool, the central axis of induction log tool and the central axes of analog scaling post.One end that box is allocated by flexible pipe and resistance in one end of analog scaling post is connected, the other end of analog scaling post is connected by flexible pipe one end with pump speed adjuster, the other end that the other end of pump speed adjuster allocates box by flexible pipe and resistance is connected, and is connected to form a closed-loop path by such.
Described cable simulator is used for modeling logging cable data, and logging data transmission system is carried out log data processing to data processing module.
Described analog scaling post cylinder ringwise, central through hole, the circular planes at analog scaling post two ends has guide hole, flexible pipe is connected with analog scaling post by guide hole, flexible pipe and guide hole contact position scribble waterproof gasket cement, splendid attire resistance liquid in analog scaling post, can simulate different formation conductivities.
Described resistance allotment box, for adding water-soluble conducting medium, is circulated by resistance liquid, changes the concentration of resistance liquid in analog scaling post, thus change scale electrical conductivity.
Described pump speed adjuster flows for driving resistance liquid and regulates the circulation flow rate of resistance liquid, the mobile change of analogue inductive logging instrument.
Described flexible pipe is used for contact resistance allotment box, analog scaling post, pump speed adjuster, and what form resistance liquid circulates space, and resistance liquid flows into from one end of analog scaling post, flows out from the other end of analog scaling post.
Described analog scaling post adopts polyvinyl chloride material.
The utility model utilizes the analog scaling post with certain space to replace traditional calibration loop, scale model is closer to actual formation structure, by adding water-soluble conducting medium, by the circulation of resistance liquid, change the electric conductivity of resistance liquid in analog scaling post, scale electrical conductivity can be changed flexibly, simulation Different Strata characteristic.Flowing additionally by regulating resistance liquid can the relative motion of analogue inductive logging instrument, for the explanation of continuous logging result provides important references.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model induction log tool graduation apparatus.
Fig. 2 is the left view of the analog scaling post of the utility model induction log tool graduation apparatus.
Detailed description of the invention
Below in conjunction with accompanying drawing, structure and working principle of the present utility model is described in detail.
With reference to Fig. 1, a kind of induction log tool graduation apparatus comprises data processing module 1, cable simulator 2, instrument support 4, resistance allotment box 5, analog scaling post 6, pump speed adjuster 7 and flexible pipe 8.Wherein data processing module 1 is connected with one end of cable simulator 2 by wire 9, and the other end of cable simulator 2 is connected with induction log tool 3 by wire 9, forms the measuring system of induction log tool graduation apparatus.Induction log tool 3 is through the central through hole of analog scaling post 6, realize the socket of analog scaling post 6 and induction log tool 3, the central axis of induction log tool 3 and the central axes of analog scaling post 6, during scale, induction log tool 3 is unsettled is placed on instrument support 4.
Flexible pipe 8 joins end to end in turn for resistance being allocated box 5, analog scaling post 6 and pump speed adjuster 7, form closed loop, in formation induction log tool graduation apparatus, resistance liquid circulates space, resistance liquid flows into from one end of analog scaling post 6, flows out from the other end of analog scaling post 6.
Logging data transmission system for modeling logging cable data, and is carried out log data processing to data processing module 1 by cable simulator 2.
Resistance allotment box 5 is for adding water-soluble conducting medium, and flowed by resistance liquid, the water-soluble conducting medium allocated by resistance in box 5 brings the whole circulating system into, changes the concentration of resistance liquid in analog scaling post 6, and then changes scale electrical conductivity.
Analog scaling post 6 is for the resistivity scale of induction log tool, and analog scaling post 6 can be regarded as by highly identical, the circular cylinder that the inner surface wall of two coaxial pipes that thickness is different, appearance wall and this cavity folded by two pipes are formed.The internal diameter of analog scaling post 6 and the major diameter fit of induction log tool 3 use, the circular planes of analog scaling post 6 liang of bottom surfaces has guide hole 10, flexible pipe 8 is connected with analog scaling post 6 by guide hole 10, flexible pipe 8 and guide hole 10 contact position scribble waterproof gasket cement, splendid attire resistance liquid in analog scaling post 6, according to the difference of resistance liquid concentration, the formation characteristics of different electrical conductivity can be simulated.
Analog scaling post 6 adopts polyvinyl chloride material, and this material is non-conductive, not magnetic conduction, decreases the impact of graduation apparatus self on well logging induced signal.
Pump speed adjuster 7 for driving the flowing of resistance liquid and regulating the circulation flow rate of resistance liquid, analogue inductive logging instrument motion change.
Operating principle of the present utility model is: induction log tool 3 is through the central through hole of analog scaling post 6, analog scaling post 6 is socketed on induction log tool 3, according to scale requirement, a certain amount of water-soluble conducting medium is added in resistance allotment box 5, start pump speed adjuster 7, drive the flowing of resistance liquid in the cyclic space, and make it flow through analog scaling post 6 with certain speed along fixed-direction, by cable simulator 2, metrical information is passed to data processing module 1 after induction log tool 4 works on power and process.
In sum, the utility model provides a kind of induction log tool graduation apparatus, and it is actual that apparatus structure more meets well logging, have structure simple, the feature of flexible operation, more accurately can test the detection performance of induction log tool, promote logging quality, improve stratum overall merit effect.
Claims (4)
1. an induction log tool graduation apparatus, it is characterized in that, comprise data processing module (1), cable simulator (2), instrument support (4), resistance allotment box (5), analog scaling post (6), pump speed adjuster (7) and flexible pipe (8), wherein: one end of described cable simulator (2) is connected with data processing module (1) by wire (9), the other end of cable simulator (2) is connected with induction log tool (3) by wire (9), induction log tool (3) is unsettled to be placed on instrument support (4), induction log tool (3) is through the central through hole of analog scaling post (6), analog scaling post (6) is made to be socketed on induction log tool (3), the central axis of induction log tool (3) and the central axes of analog scaling post (6), one end of analog scaling post (6) is connected with one end that resistance allocates box (5) by flexible pipe (8), the other end of analog scaling post (6) is connected with one end of pump speed adjuster (7) by flexible pipe (8), the other end of pump speed adjuster (7) is connected with the other end that resistance allocates box (5) by flexible pipe (8),
Logging data transmission system for modeling logging cable data, and is carried out log data processing to data processing module (1) by described cable simulator (2);
Described resistance allotment box (5), for adding water-soluble conducting medium, is circulated by resistance liquid, changes the concentration of resistance liquid in analog scaling post (6);
Described pump speed adjuster (7) is for driving the flowing of resistance liquid and regulating the circulation flow rate of resistance liquid, and the mobile of analogue inductive logging instrument changes;
Described flexible pipe (8) is for contact resistance allotment box (5), analog scaling post (6), pump speed adjuster (7), what form resistance liquid circulates space, resistance liquid flows into from one end of analog scaling post (6), flows out from the other end of analog scaling post (6).
2. induction log tool graduation apparatus according to claim 1, it is characterized in that, described analog scaling post (6) cylinder ringwise, the circular planes at analog scaling post (6) two ends has guide hole (10), flexible pipe (8) is connected with analog scaling post (6) by guide hole (10), and flexible pipe (8) and guide hole (10) contact position scribble waterproof gasket cement.
3. induction log tool graduation apparatus according to claim 1, is characterized in that, described analog scaling post (6) adopts polyvinyl chloride material.
4. induction log tool graduation apparatus according to claim 1, is characterized in that, described induction log tool (3) remains static in scale process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520528172.6U CN204851240U (en) | 2015-07-14 | 2015-07-14 | Induction logger scale device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520528172.6U CN204851240U (en) | 2015-07-14 | 2015-07-14 | Induction logger scale device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851240U true CN204851240U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520528172.6U Expired - Fee Related CN204851240U (en) | 2015-07-14 | 2015-07-14 | Induction logger scale device |
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| Country | Link |
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| CN (1) | CN204851240U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005645A (en) * | 2017-12-01 | 2018-05-08 | 西京学院 | A kind of portable compensated neutron logging tool three-stage graduation device |
-
2015
- 2015-07-14 CN CN201520528172.6U patent/CN204851240U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005645A (en) * | 2017-12-01 | 2018-05-08 | 西京学院 | A kind of portable compensated neutron logging tool three-stage graduation device |
| CN108005645B (en) * | 2017-12-01 | 2020-12-01 | 西京学院 | Portable compensation neutron logger three-level graduator |
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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: 20151209 Termination date: 20160714 |
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| CF01 | Termination of patent right due to non-payment of annual fee |