CN105571567B - Rock core slit measurer and its measuring method - Google Patents
Rock core slit measurer and its measuring method Download PDFInfo
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- CN105571567B CN105571567B CN201410620880.2A CN201410620880A CN105571567B CN 105571567 B CN105571567 B CN 105571567B CN 201410620880 A CN201410620880 A CN 201410620880A CN 105571567 B CN105571567 B CN 105571567B
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Abstract
The invention discloses rock core slit measurer and its measuring method, wherein measuring instrument includes the combined angle of strike measuring scale used, tendency angle measuring scale, and angle of strike measuring scale is a circular ring, and annular edge carries 0 360 degree of graduation mark；Tendency angle measuring scale is a transparent disc shape structure, and disk border is with four 0 90 degree uniform of angle index lines；Tendency angle measuring scale center, which is provided with, to be rotatably used to indicate that fracture dip indicates pointer, is provided with pointer and is stirred handle.Tendency angle measuring scale is arranged on 0 degree of graduation mark position of angle of strike measuring scale, plane where both is orthogonal, 0 degree of graduation mark in center and angle of strike measuring scale of tendency angle measuring scale coincides, and 0 degree of graduation mark of measurement of dip angle chi is parallel with plane where angle of strike measuring scale.The present invention solves the problem of rock core crack figure parameter measurement；The measuring instrument has the advantages that cost is cheap, simple to operate, and measurement accuracy is high.
Description
Technical field
The present invention relates to slit measurer device, specifically rock core slit measurer and its measuring method.
Background technology
When fracture oil and gas reservoir is studied, the occurrence of Reservoir Fracture（Inclination angle, trend）Migration, subsurface reservoir to oil gas
Permeability Parameters, the effective exploitation of oil gas have very important influence.And core observation is to obtain crack figure parameter most
Direct approach.
When current actual core observation, measure the occurrence such as trend, the inclination angle in crack parameter and lack special survey tool,
Measuring accuracy is low, it is impossible to meets measurement request.
For convenience, rock core crack figure parameter is accurately measured, meets production needs, spy's invention devises this measurement
Instrument, and find that the current country there is no the patent of invention of same type through investigation.
The content of the invention
It is an object of the invention to provide rock core slit measurer and its measuring method, solves rock core crack figure parameter
The problem of measurement；The measuring instrument has the advantages that cost is cheap, simple to operate, and measurement accuracy is high.
In order to reach above-mentioned purpose, present invention employs following technical scheme, rock core slit measurer, including combined make
Angle of strike measuring scale, tendency angle measuring scale, the angle of strike measuring scale is a circular ring, and annulus side
Marginal zone has the graduation mark of 0-360 degree；The tendency angle measuring scale is a disc-shaped structure, and disk border is equal with four
The angle index line of the 0-90 degree of cloth.
The fracture dip that the tendency angle measuring scale center is provided with for being inclined to angle measuring scale indicates pointer.
Fracture dip pointer, which is provided with, on the fracture dip instruction pointer stirs handle.
The tendency angle measuring scale and angle of strike measuring scale are orthogonal, 0 degree of quarter of the angle of strike measuring scale
Degree line coincides with being inclined to the center of angle measuring scale, and 0 degree of graduation mark of measurement of dip angle chi and angle of strike measuring scale institute
It is parallel in plane.
In order to reach above-mentioned another object, present invention employs following technical scheme, rock core slit measurer splits to rock core
The measuring method of seam, 1）Instrument is first assembled using preceding, 0 degree scale of the angle measuring scale installed in angle of strike measuring scale will be inclined to
Position, is inclined to angle measuring scale and angle of strike measuring scale is orthogonal, and 0 degree of graduation mark of measurement of dip angle chi and angle of strike
Plane where measuring scale is parallel；
2）When being measured for the crack of rock core, specified first on rock core a direction as assume the north to,
Markings of the straight line as measurement fracture strike are drawn in rock core side, i.e. rock core assumes the north to index line；
3）Measure fracture strike angle：Measuring instrument angle of strike measuring scale is enclosed on rock core during measurement, angle of strike measurement
Plane where chi is vertical with rock core axis；Angular measurement chi is moved towards in rotation makes the center of dipmeter be aligned with A points on rock core, this
Shi Yanxin assume the north to the angle of strike measuring scale scale reading corresponding to index line be fracture strike angle；When crack does not have
When cutting through whole rock core, extend crack and rock core side intersection according to crack spread situation in rock core side, be allowed to cut through whole
Individual crack, then measured according to the crack metering system for cutting through rock core；
4）Measure fracture dip：Keep measuring instrument position constant, handle is stirred by fracture dip pointer and pushes pointer
On fracture surface, now tendency angle measuring scale scale corresponding to pointer is the inclination angle in crack；
By above step, the angle of strike of a crack and the measurement at inclination angle are completed.
Compared to prior art, the invention has the advantages that：
The slit measurer of the invention includes angle of strike measuring scale（Annulus with 0-360 degree graduation marks）, squint angle
Spend measuring scale（The transparent plastic disc with angle index, scale are respectively four 0-90 degree,）, fracture dip refers to
Several parts such as pin, pointer fluctuation handle.The measuring instrument has that reasonable in design, reading is direct, the spy such as easy to use, cheap
Point.The occurrence parameters such as trend, the inclination angle in the crack on rock core can be easily and accurately measured using the instrument, for further research
The development characteristics in crack provide basic data.
Brief description of the drawings
Fig. 1 is rock core slit measurer front view of the present invention；
Fig. 2 is rock core slit measurer top view of the present invention；
Fig. 3 is rock core slit measurer application schematic diagram of the present invention.
In figure, angle of strike measuring scale 1, tendency angle measuring scale 2, fracture dip instruction pointer 3, angle of strike measuring scale
Scale 4, fracture dip pointer stir handle 5, the lithology north relatively to index line 6, fracture strike angle ∠ BOA7, crack squint angle
∠ COD8, fracture surface 9, tendency angle measuring scale scale 10.
Embodiment
Detailed description for the present invention and technology contents, coordinate brief description of the drawings it is as follows, but accompanying drawing only provide reference with
Purposes of discussion, not it is used for being any limitation as the present invention.
Referring to the drawings 1-3, rock core slit measurer, including the combined angle of strike measuring scale 1 used, tendency angle are surveyed
Gage 2, the angle of strike measuring scale is a circular ring, and annular edge carries the graduation mark of 0-360 degree, that is, moves towards
Angle measuring scale scale 4；The tendency angle measuring scale is a transparent disc shape structure, and disk border is uniform with four
0-90 degree angle index line, that is, be inclined to angle measuring scale scale 10.The tendency angle measuring scale center is provided with
Fracture dip for being inclined to angle measuring scale indicates pointer 3.Fracture dip is provided with the fracture dip instruction pointer to refer to
Pin stirs handle.0 degree of graduation mark of the angle of strike measuring scale coincides with being inclined to the center of angle measuring scale, the tendency
Angle measuring scale and angle of strike measuring scale are orthogonal, and 0 degree of graduation mark of measurement of dip angle chi and angle of strike measuring scale
Place plane is parallel.
The present invention comprises the following steps that：
（1）Instrument is first assembled using preceding, angle measuring scale 2 will be inclined to installed in 0 degree of scale position of angle of strike measuring scale 1
Put, be inclined to angle measuring scale 2 and angle of strike measuring scale is orthogonal, and 0 degree of graduation mark of measurement of dip angle chi and angle of strike
Plane where measuring scale is parallel；
（2）When being measured for the crack of rock core, specified first on rock core a direction as (it is assumed that) north to,
Markings of the straight line as measurement fracture strike are drawn in rock core side, i.e. rock core assumes the north to index line 6；
（3）Measure fracture strike angle ∠ BOA7：Measuring instrument angle of strike measuring scale 1 is enclosed on rock core during measurement, moved towards
The place plane of angle measuring scale 1 is vertical with rock core axis；Angular measurement chi is moved towards in rotation makes A on the center and rock core of dipmeter
Point alignment, now rock core relatively the north to the angle of strike measuring scale scale reading corresponding to index line be fracture strike angle
∠BOA7；When crack does not cut through whole rock core, extend crack and rock core side according to crack spread situation in rock core side
Intersection, it is allowed to cut through whole crack, is then measured according to the crack metering system for cutting through rock core.
（4）Measure fracture dip ∠ COD8：Keep measuring instrument position constant, stirring handle 5 by fracture dip pointer will
Pointer is pushed on fracture surface 9, and now tendency angle measuring scale scale corresponding to pointer is the inclination angle ∠ COD in crack.
By above step, the angle of strike of a crack and the measurement at inclination angle are completed.
Presently preferred embodiments of the present invention is the foregoing is only, is not used to limit the scope of the claims of the present invention, other are with this
The equivalence changes of the patent spirit of invention, it all should all belong to the scope of the claims of the present invention.
Claims (2)
1. rock core slit measurer, it is characterised in that including the combined angle of strike measuring scale used, tendency angular surveying
Chi, the angle of strike measuring scale is a circular ring, and annular edge carries the graduation mark of 0-360 degree；The tendency
Angle measuring scale is a transparent disc shape structure, and disk border carries the angle index line of four uniform 0-90 degree；Institute
State the fracture dip that tendency angle measuring scale center is provided with for being inclined to angle measuring scale and indicate pointer；Incline in the crack
Fracture dip pointer, which is provided with, on angle instruction pointer stirs handle；The tendency angle measuring scale and angle of strike measuring scale are mutual
Vertically, 0 degree of graduation mark of the angle of strike measuring scale coincides with being inclined to the center of angle measuring scale, and measurement of dip angle chi
0 degree of graduation mark and angle of strike measuring scale where plane it is parallel.
A kind of 2. measuring method of the rock core slit measurer of usage right requirement 1, it is characterised in that
1）Instrument is first assembled using preceding, 0 degree graduation position of the angle measuring scale installed in angle of strike measuring scale, tendency will be inclined to
Angle measuring scale and angle of strike measuring scale are orthogonal, and 0 degree of graduation mark of measurement of dip angle chi and angle of strike measuring scale institute
It is parallel in plane；
2）When being measured for the crack of rock core, a direction is specified first on rock core as assuming the north in rock core
Markings of the straight line as measurement fracture strike are drawn in side, i.e. rock core assumes the north to index line；
3）Measure fracture strike angle：Measuring instrument angle of strike measuring scale is enclosed on rock core during measurement, angle of strike measuring scale institute
It is vertical with rock core axis in plane；Angular measurement chi is moved towards in rotation makes the center of dipmeter be aligned with A points on rock core, now rock
The heart relatively the north to the angle of strike measuring scale scale reading corresponding to index line be fracture strike angle；When crack is not cut
When wearing whole rock core, extend crack and rock core side intersection according to crack spread situation in rock core side, be allowed to cut through and entirely split
Seam, is then measured according to the crack metering system for cutting through rock core；
4）Measure fracture dip：Keep measuring instrument position constant, handle is stirred by fracture dip pointer pointer is pushed into crack
On face, now tendency angle measuring scale scale corresponding to pointer is the inclination angle in crack；
By above step, the measurement for moving towards angle and inclination angle of a crack is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410620880.2A CN105571567B (en) | 2014-11-07 | 2014-11-07 | Rock core slit measurer and its measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410620880.2A CN105571567B (en) | 2014-11-07 | 2014-11-07 | Rock core slit measurer and its measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105571567A CN105571567A (en) | 2016-05-11 |
| CN105571567B true CN105571567B (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410620880.2A Active CN105571567B (en) | 2014-11-07 | 2014-11-07 | Rock core slit measurer and its measuring method |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052534A (en) * | 2016-05-19 | 2016-10-26 | 中国地质大学（武汉） | Drilling rock core level dip meter |
| CN106323143B (en) * | 2016-11-03 | 2019-05-17 | 中南大学 | A kind of measurement method and device of core crack dip |
| CN108333181B (en) * | 2018-01-08 | 2023-10-10 | 苏州中汽检测技术服务有限公司 | Full-automatic quality detection system for fatigue test sample |
| CN108766175B (en) * | 2018-06-22 | 2023-05-23 | 东华理工大学 | Model device for demonstrating redirection of core and fracture paleo-geomagnetism |
| CN109725132B (en) * | 2019-02-21 | 2021-05-25 | 中国石油大学(华东) | Simple method for determining fracture occurrence in vertical well core |
| CN113686274B (en) * | 2021-08-23 | 2024-05-10 | 重庆交通大学 | Dangerous rock crack water depth measurement method, dangerous rock collapse early warning method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1144537A (en) * | 1997-07-30 | 1999-02-16 | Agency Of Ind Science & Technol | Apparatus and method for measuring azimuth of plane structure using cylindrical sample |
| CN103308033A (en) * | 2012-03-15 | 2013-09-18 | 韩国地质资源研究院 | Apparatus for measuring trend and plunge |
| CN103869366A (en) * | 2014-02-27 | 2014-06-18 | 中国石油天然气股份有限公司 | Method and device for determining fracture strike |
| CN103983236A (en) * | 2014-06-01 | 2014-08-13 | 中国石油大学(华东) | Inclined shaft core fissure orientation method |
-
2014
- 2014-11-07 CN CN201410620880.2A patent/CN105571567B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1144537A (en) * | 1997-07-30 | 1999-02-16 | Agency Of Ind Science & Technol | Apparatus and method for measuring azimuth of plane structure using cylindrical sample |
| CN103308033A (en) * | 2012-03-15 | 2013-09-18 | 韩国地质资源研究院 | Apparatus for measuring trend and plunge |
| CN103869366A (en) * | 2014-02-27 | 2014-06-18 | 中国石油天然气股份有限公司 | Method and device for determining fracture strike |
| CN103983236A (en) * | 2014-06-01 | 2014-08-13 | 中国石油大学(华东) | Inclined shaft core fissure orientation method |
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| Publication number | Publication date |
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| CN105571567A (en) | 2016-05-11 |
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