CN105571567A - Rock core fissure measuring instrument and rock core fissure measuring method - Google Patents
Rock core fissure measuring instrument and rock core fissure measuring method Download PDFInfo
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- CN105571567A CN105571567A CN201410620880.2A CN201410620880A CN105571567A CN 105571567 A CN105571567 A CN 105571567A CN 201410620880 A CN201410620880 A CN 201410620880A CN 105571567 A CN105571567 A CN 105571567A
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- dip
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Abstract
The invention discloses a rock core fissure measuring instrument and a rock core fissure measuring method. The rock core fissure measuring instrument comprises a strike angle measuring scale and a dip angle measuring scale which are combined for use, wherein the strike angle measuring scale is of an annular structure, and 0-360 degrees scale lines are arranged on the edge of the annulus; the dip angle measuring scale is of a transparent disc-shaped structure, and four 0-90 degrees' scale lines are uniformly distributed on the edge of the disc; a rotatable pointer for indicating the dip angle of a fissure is mounted at a central position of the dip angle measuring scale; a poking handle is arranged on the pointer; the dip angle measuring scale is mounted at the 0-degee scale line of the strike angle measuring scale; the planes, to which the dip angle measuring scale and the strike angle measuring scale belong, are perpendicular to each other; the center of the dip angle measuring scale is superposed with the 0-degee scale line of the strike angle measuring scale; the 0-degee scale line of the dip angle measuring scale is parallel to the plane to which the strike angle measuring scale belongs. Through the technical scheme provided by the invention, the rock core fissure occurrence parameter measuring difficulty is overcome; the rock core fissure measuring instrument has the advantages of being low in cost, simple to operate, high in measuring precision and the like.
Description
Technical field
The present invention relates to slit measurer device, specifically rock core slit measurer and measuring method thereof.
Background technology
During the research of fracture oil and gas reservoir, the occurrence (inclination angle, trend) of Reservoir Fracture has very important impact to the migration of oil gas, the Permeability Parameters of subsurface reservoir, the effective exploitation of oil gas.And core observation is the most direct approach obtaining crack figure parameter.
When current actual core observation, the occurrence parameter such as trend, inclination angle measuring crack lacks special survey instrument, and measuring accuracy is low, can not meet measurement requirement.
Measure rock core crack figure parameter conveniently, exactly, meet need of production, special invention devises this measuring instrument, and finds through investigation, the domestic patent of invention that there is no identical type at present.
Summary of the invention
The object of the present invention is to provide rock core slit measurer and measuring method thereof, solve a difficult problem for rock core crack figure parameter measurement; This measuring instrument has with low cost, simple to operate, measuring accuracy advantages of higher.
In order to reach above-mentioned purpose, present invention employs following technical scheme, rock core slit measurer, comprise the angle of strike dip stick of combined use, tendency angle measuring scale, described angle of strike dip stick is a circular ring, and annular edge is with the scale mark of 0-360 degree; Described tendency angle measuring scale is a disc-shaped structure, and disk border is with the angle index line of four uniform 0-90 degree.
Described tendency angle measuring scale center is provided with the fracture dip instruction pointer for being inclined to angle measuring scale.
Described fracture dip instruction pointer is provided with fracture dip pointer and stirs handle.
Described tendency angle measuring scale and angle of strike dip stick orthogonal, 0 degree of scale mark of described angle of strike dip stick coincides with the center of tendency angle measuring scale, and 0 of measurement of dip angle chi degree of scale mark is parallel with angle of strike dip stick place plane.
In order to reach another object above-mentioned, present invention employs following technical scheme, rock core slit measurer is to the measuring method in rock core crack, 1) first instrument is assembled before using, tendency angle measuring scale is arranged on 0 degree of graduation position of angle of strike dip stick, tendency angle measuring scale and angle of strike dip stick orthogonal, and measurement of dip angle chi 0 degree of scale mark is parallel with angle of strike dip stick place plane;
2) when the crack of rock core being measured, first specify on rock core a direction as the supposition north to, draw straight line in rock core side as the markings measuring fracture strike, namely the rock core supposition north is to index line;
3) fracture strike angle is measured: be enclosed within rock core by measuring instrument angle of strike dip stick during measurement, angle of strike dip stick place plane and rock core axes normal; Angular measurement gage is moved towards in rotation makes the center of drift indicator aim at A point on rock core, and the now rock core supposition north is fracture strike angle to the angle of strike dip stick scale reading corresponding to index line; When crack do not cut wear whole rock core time, extend crack and rock core side intersection in rock core side according to crack spread situation, making it to cut and wear whole crack, then measuring according to cutting the crack metering system wearing rock core;
4) fracture dip is measured: keep measuring instrument invariant position, stir handle by fracture dip pointer and push on fracture plane by pointer, the tendency angle measuring scale scale that now pointer is corresponding is the inclination angle in crack;
By above step, complete the angle of strike of a crack and the measurement at inclination angle.
Compared to prior art, the present invention has following beneficial effect:
This slit measurer of the present invention comprises angle of strike dip stick (annulus with 0-360 degree scale mark), tendency angle measuring scale (the transparent plastic disc with angle index, scale is respectively four 0-90 degree), fracture dip instruction pointer, a few part such as pointer fluctuation handle etc.This measuring instrument have reasonable in design, reading is direct, the feature such as easy to use, cheap.Use this instrument can measure the occurrence parameter such as trend, inclination angle in the crack on rock core easily and accurately, for the development characteristics studying crack further provides basic data.
Accompanying drawing explanation
Fig. 1 is rock core slit measurer front view of the present invention;
Fig. 2 is rock core slit measurer vertical view of the present invention;
Fig. 3 is rock core slit measurer application schematic diagram of the present invention.
In figure, angle of strike dip stick 1, tendency angle measuring scale 2, fracture dip instruction pointer 3, angle of strike dip stick scale 4, fracture dip pointer stir handle 5, lithology relatively the north to index line 6, fracture strike angle ∠ BOA7, crack squint angle ∠ COD8, fracture plane 9, tendency angle measuring scale scale 10.
Embodiment
Detailed description for the present invention and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the present invention.
With reference to accompanying drawing 1-3, rock core slit measurer, comprise the angle of strike dip stick 1 of combined use, tendency angle measuring scale 2, described angle of strike dip stick is a circular ring, and annular edge is with the scale mark of 0-360 degree, i.e. angle of strike dip stick scale 4; Described tendency angle measuring scale is a transparent disc shape structure, and disk border is with the angle index line of four uniform 0-90 degree, is namely inclined to angle measuring scale scale 10.Described tendency angle measuring scale center is provided with the fracture dip instruction pointer 3 for being inclined to angle measuring scale.Described fracture dip instruction pointer is provided with fracture dip pointer and stirs handle.0 degree of scale mark of described angle of strike dip stick coincides with the center of tendency angle measuring scale, described tendency angle measuring scale and angle of strike dip stick orthogonal, and 0 of measurement of dip angle chi degree of scale mark is parallel with angle of strike dip stick place plane.
Concrete steps of the present invention are as follows:
(1) first instrument is assembled before using, tendency angle measuring scale 2 is arranged on 0 degree of graduation position of angle of strike dip stick 1, tendency angle measuring scale 2 is orthogonal with angle of strike dip stick, and measurement of dip angle chi 0 degree of scale mark is parallel with angle of strike dip stick place plane;
(2) when the crack of rock core being measured, first specify on rock core a direction as (assuming that) north to, draw straight line in rock core side as the markings measuring fracture strike, namely the rock core supposition north is to index line 6;
(3) fracture strike angle ∠ BOA7 is measured: be enclosed within rock core by measuring instrument angle of strike dip stick 1 during measurement, angle of strike dip stick 1 place plane and rock core axes normal; Angular measurement gage is moved towards in rotation makes the center of drift indicator aim at A point on rock core, and now rock core is fracture strike angle ∠ BOA7 to the angle of strike dip stick scale reading corresponding to index line in the north relatively; When crack do not cut wear whole rock core time, extend crack and rock core side intersection in rock core side according to crack spread situation, making it to cut and wear whole crack, then measuring according to cutting the crack metering system wearing rock core.
(4) fracture dip ∠ COD8 is measured: keep measuring instrument invariant position, stir handle 5 by fracture dip pointer and push on fracture plane 9 by pointer, the tendency angle measuring scale scale that now pointer is corresponding is the inclination angle ∠ COD in crack.
By above step, complete the angle of strike of a crack and the measurement at inclination angle.
The foregoing is only preferred embodiment of the present invention, be not used to limit the scope of the claims of the present invention, other use the equivalence of patent spirit of the present invention to change, and all should all belong to the scope of the claims of the present invention.
Claims (5)
1. rock core slit measurer, is characterized in that, comprise the angle of strike dip stick of combined use, tendency angle measuring scale, described angle of strike dip stick is a circular ring, and annular edge is with the scale mark of 0-360 degree; Described tendency angle measuring scale is a transparent disc shape structure, and disk border is with the angle index line of four uniform 0-90 degree.
2. rock core slit measurer according to claim 1, is characterized in that, described tendency angle measuring scale center is provided with the fracture dip instruction pointer for being inclined to angle measuring scale.
3. rock core slit measurer according to claim 2, is characterized in that, described fracture dip instruction pointer is provided with fracture dip pointer and stirs handle.
4. rock core slit measurer according to claim 3, it is characterized in that, described tendency angle measuring scale and angle of strike dip stick orthogonal, 0 degree of scale mark of described angle of strike dip stick coincides with the center of tendency angle measuring scale, and 0 of measurement of dip angle chi degree of scale mark is parallel with angle of strike dip stick place plane.
5. rock core slit measurer is to the measuring method in rock core crack, it is characterized in that, 1) first instrument is assembled before using, tendency angle measuring scale is arranged on 0 degree of graduation position of angle of strike dip stick, tendency angle measuring scale and angle of strike dip stick orthogonal, and measurement of dip angle chi 0 degree of scale mark is parallel with angle of strike dip stick place plane;
2) when the crack of rock core being measured, first specify on rock core a direction as the supposition north to, draw straight line in rock core side as the markings measuring fracture strike, namely the rock core supposition north is to index line;
3) fracture strike angle is measured: be enclosed within rock core by measuring instrument angle of strike dip stick during measurement, angle of strike dip stick place plane and rock core axes normal; Angular measurement gage is moved towards in rotation makes the center of drift indicator aim at A point on rock core, and now rock core is fracture strike angle to the angle of strike dip stick scale reading corresponding to index line in the north relatively; When crack do not cut wear whole rock core time, extend crack and rock core side intersection in rock core side according to crack spread situation, making it to cut and wear whole crack, then measuring according to cutting the crack metering system wearing rock core;
4) fracture dip is measured: keep measuring instrument invariant position, stir handle by fracture dip pointer and push on fracture plane by pointer, the tendency angle measuring scale scale that now pointer is corresponding is the inclination angle in crack;
By above step, complete the measurement moving towards angle and inclination angle of a crack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410620880.2A CN105571567B (en) | 2014-11-07 | 2014-11-07 | Rock core slit measurer and its measuring method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410620880.2A CN105571567B (en) | 2014-11-07 | 2014-11-07 | Rock core slit measurer and its measuring method |
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| CN105571567A true CN105571567A (en) | 2016-05-11 |
| CN105571567B CN105571567B (en) | 2017-11-17 |
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Cited By (5)
| 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 |
| CN106323143A (en) * | 2016-11-03 | 2017-01-11 | 中南大学 | Method and device for measuring dip angle of rock core fracture |
| CN108333181A (en) * | 2018-01-08 | 2018-07-27 | 苏州中汽检测技术服务有限公司 | A kind of full-automatic quality detecting system for fatigue test specimen |
| CN108766175A (en) * | 2018-06-22 | 2018-11-06 | 东华理工大学 | Core and crack paleomagnetism redirect demonstrating model device |
| CN109725132A (en) * | 2019-02-21 | 2019-05-07 | 中国石油大学(华东) | Measure a kind of short-cut method of crack figure in straight well core |
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| 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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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 |
Cited By (9)
| 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 |
| CN106323143A (en) * | 2016-11-03 | 2017-01-11 | 中南大学 | Method and device for measuring dip angle of rock core fracture |
| CN106323143B (en) * | 2016-11-03 | 2019-05-17 | 中南大学 | A kind of measurement method and device of core crack dip |
| CN108333181A (en) * | 2018-01-08 | 2018-07-27 | 苏州中汽检测技术服务有限公司 | A kind of full-automatic quality detecting system for fatigue test specimen |
| 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 |
| CN108766175A (en) * | 2018-06-22 | 2018-11-06 | 东华理工大学 | Core and crack paleomagnetism redirect demonstrating model device |
| 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 |
| CN109725132A (en) * | 2019-02-21 | 2019-05-07 | 中国石油大学(华东) | Measure a kind of short-cut method of crack figure in straight well core |
| 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 |
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| CN105571567B (en) | 2017-11-17 |
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