CN206192265U - A thickness of oil measurement system that is used for oil field reserves aassessment to sample - Google Patents
A thickness of oil measurement system that is used for oil field reserves aassessment to sample Download PDFInfo
- Publication number
- CN206192265U CN206192265U CN201621200592.2U CN201621200592U CN206192265U CN 206192265 U CN206192265 U CN 206192265U CN 201621200592 U CN201621200592 U CN 201621200592U CN 206192265 U CN206192265 U CN 206192265U
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- CN
- China
- Prior art keywords
- measuring electrode
- pipe sleeve
- acquisition circuit
- inner pipe
- signal acquisition
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- Expired - Fee Related
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to a thickness of oil measurement system that is used for oil field reserves aassessment to sample, its characterized in that: it is including surveying buret, oscillator, signal acquisition circuit, AD converter and calculating unit, wherein it includes inlayer pipe box, lower measuring electrode, goes up measuring electrode, outer pipe box to survey buret, descend measuring electrode, last measuring electrode's one end to connect the output of oscillator, lower measuring electrode, the other end connection of going up measuring electrode respectively signal acquisition circuit's signal input part, signal acquisition circuit's signal output part connects gradually AD converter and calculating unit.
Description
Technical field
The utility model is related to a kind of reservoir reserve evaluation areas, and in particular to a kind of to assess sampling for oilfield reserve
Core intersection measuring system.
Background technology
In oil reservoir development early stage, generally require and oil reservoir to be developed is analyzed and commented with assessment technique using oil pool analysis
A series of valency, to obtain oil deposit parameters.Further, the knowledge to oil-gas-water layer can be completed based on the oil deposit parameter of above-mentioned acquisition
The other and prediction to oil-gas Layer reserves.
At present, predicting oil/gas layer reserves are based primarily upon individual well well logging profit and explain and determine core intersection.It is then based on described
Individual well well logging profit explains that the core intersection for determining obtains the average core intersection value on oil reservoir development area；In conjunction with correlation
Oil deposit parameter, calculates oil-gas Layer reserves.The method of above-mentioned calculating oil-gas Layer reserves is for the combination of single storage lid, simple oil water relation
Fault block oil reservoir relatively be applicable.
Oil well sampling is a daily data admission job in oil pool analysis and appraisal, and its sampled data belongs to oil
The field firsthand information, thus sampled data accuracy will directly affect predicting oil/gas layer reserves accuracy.
The content of the invention
The utility model is in view of the shortcomings of the prior art, it is proposed that a kind of core intersection is surveyed by way of electric capacity
The core intersection measuring system for oilfield reserve assessment sampling of amount.
The technical solution of the utility model is as follows：
A kind of core intersection measuring system for oilfield reserve assessment sampling, it is characterised in that：It includes measurement pipe, shakes
Swing device, signal acquisition circuit, A/D converter and computing unit, wherein the measurement pipe include inner pipe sleeve, lower measuring electrode,
Upper measuring electrode, outer pipe sleeve；Lower measuring electrode, one end of upper measuring electrode distinguish the output end of connection oscillator, lower measurement
Electrode, the other end of upper measuring electrode connect the signal input part of the signal acquisition circuit；The letter of the signal acquisition circuit
Number output end is sequentially connected A/D converter and computing unit；
The inner pipe sleeve is arranged on inside outer pipe sleeve, and the cavity between the inner pipe sleeve and outer pipe sleeve is equipment
Chamber；The lower measuring electrode, upper measuring electrode are arranged on the inwall of inner pipe sleeve, and the oscillator, signal acquisition circuit are set
In the equipment cavity；The A/D converter and computing unit are arranged on outside the measurement pipe.
The inner pipe sleeve and outer pipe sleeve are concentric cylinder.
The lower end closed of the equipment cavity.
The lower measuring electrode, upper measuring electrode are separately positioned on the offside of inner pipe sleeve inwall.
Technique effect of the present utility model is as follows：
1st, a kind of core intersection measuring system for oilfield reserve assessment sampling of the present utility model, the electricity based on contrast
Appearance formula measure core intersection, with simple structure, it is easy to use the characteristics of.When in use, measurement pipe can enter well with oil pipe
Under, it is safe and reliable.
2nd, due to the lower end closed of equipment cavity, therefore oscillator and signal acquisition circuit may be provided at the vicinity of electrode, subtract
Few line error, can also isolate, it is to avoid interference of the environmental factor to measurement result with operating environment in addition.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
The utility model is illustrated below in conjunction with the accompanying drawings.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.Specific embodiment described herein is only used to explain the utility model,
It is not used to limit the utility model.
As shown in figure 1, core intersection measuring system of the present utility model includes measurement pipe 1, oscillator 2, signal acquisition electricity
Road 3, A/D converter 4, computing unit 5.Wherein, measurement pipe 1 includes inner pipe sleeve 11, lower measuring electrode 12, upper measuring electrode
13rd, outer pipe sleeve 14；Measuring electrode 12, the difference connection oscillator 2 of upper measuring electrode 13 are wherein descended, oscillator 2 is produced periodically
Alternating voltage.Lower measuring electrode 12, the signal output part of upper measuring electrode 13 are sequentially connected signal acquisition circuit 3, A/D converter
4th, computing unit 5.Lower measuring electrode 12, upper measuring electrode 13 are attached to the inwall of inner pipe sleeve 11, inner pipe sleeve 11 and outer layer
Pipe sleeve 14 is concentric cylinder, and annular space between the two is equipment cavity, and oscillator 2, signal acquisition circuit 3 are arranged at setting
In standby chamber.The lower end closed of equipment cavity simultaneously, when entering in oil reservoir under measurement pipe 1, inside equipment cavity not having liquid enters
Enter.
Lower measuring electrode 12, upper measuring electrode 13 are thin sheet of metal electrode；Oscillator 2 is generation periodic AC voltage
LC oscillators.To avoid lower measuring electrode 12, upper measuring electrode 13 from contacting accidentally, can be by lower measuring electrode 12, upper measuring electrode
13 offsides for being separately positioned on the inwall of inner pipe sleeve 11, namely on the inwall of inner pipe sleeve 11, lower measuring electrode 12, upper measurement
Electrode 13 is oppositely arranged.
Before entering in oil reservoir under measurement pipe, the big probable value of estimation core intersection, can determine to survey afterwards according to estimated value in advance
Lower measuring electrode 12, the position of upper measuring electrode 13 and length in buret 1.Measuring electrode 13 is first set to contact oil reservoir upper table
Face, lower measuring electrode 12 contacts oil reservoir lower surface.Signal acquisition circuit 3 lower measuring electrode 12, on measuring electrode 13 dielectric
Constant receives signal when changing, signal is input into computing unit 5, is used to calculate current core intersection by A/D converter 4, realizes
The on-line measurement of core intersection.
It should be pointed out that above institute specific embodiment can make those skilled in the art that this practicality is more fully understood newly
Type is created, but limitation the utility model is created never in any form.Therefore, although this specification referring to the drawings and embodiment to
Utility model is created and has been carried out detailed description, it will be understood by those skilled in the art, however, that still can be new to this practicality
Type is created and modified or equivalent, and in a word, all do not depart from the technical side of the spirit and scope of the utility model creation
Case and its improvement, it all should cover in the middle of the protection domain for creating patent in the utility model.
Claims (5)
- It is 1. a kind of to assess the core intersection measuring system sampled for oilfield reserve, it is characterised in that：It includes measurement pipe, vibration Device, signal acquisition circuit, A/D converter and computing unit, wherein the measurement pipe include inner pipe sleeve, lower measuring electrode, on Measuring electrode, outer pipe sleeve；Lower measuring electrode, one end of upper measuring electrode distinguish the output end of connection oscillator, lower measurement electricity Pole, the other end of upper measuring electrode connect the signal input part of the signal acquisition circuit；The signal of the signal acquisition circuit Output end is sequentially connected A/D converter and computing unit；The inner pipe sleeve is arranged on inside outer pipe sleeve, and the cavity between the inner pipe sleeve and outer pipe sleeve is equipment cavity； The lower measuring electrode, upper measuring electrode are arranged on the inwall of inner pipe sleeve, and the oscillator, signal acquisition circuit are arranged on institute State in equipment cavity；The A/D converter and computing unit are arranged on outside the measurement pipe.
- It is 2. a kind of as claimed in claim 1 to assess the core intersection measuring system sampled for oilfield reserve, it is characterised in that： The inner pipe sleeve and outer pipe sleeve are concentric cylinder.
- 3. a kind of as claimed in claim 1 or 2 to assess the core intersection measuring system sampled for oilfield reserve, its feature exists In：The lower end closed of the equipment cavity.
- 4. a kind of as claimed in claim 1 or 2 to assess the core intersection measuring system sampled for oilfield reserve, its feature exists In：The lower measuring electrode, upper measuring electrode are separately positioned on the offside of inner pipe sleeve inwall.
- It is 5. a kind of as claimed in claim 3 to assess the core intersection measuring system sampled for oilfield reserve, it is characterised in that： The lower measuring electrode, upper measuring electrode are separately positioned on the offside of inner pipe sleeve inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200592.2U CN206192265U (en) | 2016-11-07 | 2016-11-07 | A thickness of oil measurement system that is used for oil field reserves aassessment to sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200592.2U CN206192265U (en) | 2016-11-07 | 2016-11-07 | A thickness of oil measurement system that is used for oil field reserves aassessment to sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206192265U true CN206192265U (en) | 2017-05-24 |
Family
ID=58734472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621200592.2U Expired - Fee Related CN206192265U (en) | 2016-11-07 | 2016-11-07 | A thickness of oil measurement system that is used for oil field reserves aassessment to sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206192265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494290A (en) * | 2021-08-02 | 2021-10-12 | 中国石油化工股份有限公司 | Oil layer thickness measurement system based on big data |
-
2016
- 2016-11-07 CN CN201621200592.2U patent/CN206192265U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494290A (en) * | 2021-08-02 | 2021-10-12 | 中国石油化工股份有限公司 | Oil layer thickness measurement system based on big data |
| CN113494290B (en) * | 2021-08-02 | 2023-11-14 | 中国石油化工股份有限公司 | Oil layer thickness measurement system based on big data |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20171107 |