SE539697C2 - System and method for analyzing drill core samples. - Google Patents

System and method for analyzing drill core samples. Download PDF

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Publication number
SE539697C2
SE539697C2 SE1630051A SE1630051A SE539697C2 SE 539697 C2 SE539697 C2 SE 539697C2 SE 1630051 A SE1630051 A SE 1630051A SE 1630051 A SE1630051 A SE 1630051A SE 539697 C2 SE539697 C2 SE 539697C2
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Sweden
Prior art keywords
data
core
drill
cores
drill core
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Application number
SE1630051A
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English (en)
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SE1630051A1 (sv
Inventor
Artursson Mikael
Sjöqvist Axel
Original Assignee
Minalyze Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Minalyze Ab filed Critical Minalyze Ab
Priority to SE1630051A priority Critical patent/SE539697C2/sv
Priority to AU2017230042A priority patent/AU2017230042B2/en
Priority to CA3016136A priority patent/CA3016136C/en
Priority to PCT/SE2017/050205 priority patent/WO2017155450A1/en
Priority to ES17763656T priority patent/ES2906815T3/es
Priority to CN201780012967.3A priority patent/CN108885167B/zh
Priority to EP17763656.0A priority patent/EP3423811B1/en
Priority to US16/082,111 priority patent/US11105785B2/en
Publication of SE1630051A1 publication Critical patent/SE1630051A1/sv
Publication of SE539697C2 publication Critical patent/SE539697C2/sv
Priority to ZA201805386A priority patent/ZA201805386B/en
Priority to CL2018002492A priority patent/CL2018002492A1/es

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24—Earth materials
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/005—Above ground means for handling the core, e.g. for extracting the core from the core barrel
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/02—Prospecting

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  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Sampling And Sample Adjustment (AREA)

Description

Title of the invention.
System and method for analyzing drill core samples.
Technical area.
The present invention relätes to a system for collecting and processing data on the three-dimensional shape and appearance of drill core samples, e.g. drill core samples that are extracted during exploration for natural resources, including such data concerning characteristic physical features of those drill cores e.g. planar discontinuities, which system comprises a carrier for holding at least one drill core sample. The invention also relätes to a method for measuring, collecting and processing data on the three-dimensional shape and appearance of drill core samples, e.g. such drill core samples that are extracted during exploration for natural resources, including the characteristic physical features of those drill cores such as planar discontinuities and also including orientation marks on the drill core samples' surfaces, the method including spatial analysis of the data, e.g. to calculate the orientation of discontinuities relative to the drill core sample axis and orientation line.
Backqround.
Exploration of the above-mentioned type has long been performed in such a way that, after having found a location with an indicated deposit through well-known methods, an exploration drilling is performed in order to obtain a better basis for a subsequent decision on a full investment in further mining operations. During exploration drilling, cores are extracted and then låter analyzed in detail.
When having extracted drill cores in the field from boreholes, the cores are usually divided into samples of typical lengths around 1 meter and then stored a few cores together in purpose-made trays. The number of samples in each tray is usually 4-6, and they are usually separated in separate compartments and marked regarding original orientation in the bore hole and order of extraction.
Among the drill cores there are a number of cores that contain discontinuities and other physical features of those drill cores e.g. mineral fabric, and it is of great value to obtain data on the location and angles of these discontinuities relative to the core axis and the original position in the bore hole of the cores, since the discontinuities in the drill core are a representation of discontinuities in the bedrock being drilled.
When looking for discontinuities, the samples arecharacterized byocular inspection. Natural planar discontinuities can be measured be their Alpha and Beta angles, the angles being relative to an orientation line on the core sample, applied when extracting the cores from the drill hole in e.g. bedrock, and a longitudinal axis of the core sample. It is also obviously important that the discontinuities are always documented with respect to borehole and core sample depth.
One means for measuring the discontinuities is by using a goniometer that is essentially a short tube of see-through material, which tube comprises marked angle lines and degrees scales around its outer surface area. The tube is positioned with the drill core to be analyzed inside, and by moving it along the core, discontinuities can be measured and documented by comparing the angles of the discontinuity in question with the marking on the tube. One such tube is marketed under the Trade Mark EZY LOGGER. Due to that the measurement, using the EZY LOGGER, is made by ocular inspection and manual recording, it is almost impossible to quality control and reproduce the measurement.
Another way of analyzing is to use the equipment and method that is described in the patent application US2009/0080705, where a 2D photo is used in cooperation with a core holding box that has calibrated walls for calibrating the 2 D photo. This method uses simplifications and assumptions that affects the evaluation.
The common problem with the above approaches is that it is a manual process which can produce a lot of false data.
Summary of the invention and its advantaqes.
An embodiment of the presently presented system for improving the above related process of analyzing drill core structures comprises the following: a. a contactless analytical apparatus for measuring and collecting data on the three-dimensional shape and appearance of at least some part of the outer surface of drill core samples, where the cores have a reference line, which is indicating the "rotational" position the core had in its original place in the bore hole, b. a first data storing means for storing data collected by the analytical apparatus as a 3 D representation, c. a processing unit that applies one or more data evaluation algorithms on the data stored in the first data storage means in order to extract data regarding one or more physical features of the drill cores as an output, referring to the reference line and a longitudinal axis of the core, and d. a second data storage means for storage of the resulting output from the processing unit.
With the presented system, structure data can automatically or semi-automatically be derived from the individual drill cores while also the accuracy of the derived data is improved compared to state of the art technique.
In another embodiment of the system the contactless analytical apparatus comprises a light-based 3D sensor or a laser 3 D sensor. This type of sensors is easily adapted to generate point clouds that can be the basis for the analysis wanted and thus the collected data can be stored as a point cloud in the first data storage means..
One further embodiment the system comprises a visualization means for presenting data generated by the system. With this as an information source an operator can operate the system and e.g. chose and feed parameters for entering into the system and its processor, In another embodiment of the system, wherein the system comprises a component analyzing unit for analyzing elements like minerals etcetera in the core samples, the component analyzing unit being movably arranged and dependent on a distance controlling means for control of the distance between the component analyzing unit and the cores being analyzed, information from the processing unit is used to calculate the distance input to the distance controlling means. The component analyzing unit can then suitably be of an X-ray type. This is component saving as the distance controlling means does not need a distance sensor of its own.
The method according to the invention comprises the steps of a. using an analytical apparatus for contactless measuring and collecting data on the three-dimensional shape and appearance of at least some part of the outer surface of drill core samples, where the cores have a reference line, which is indicating the "rotational" position the core had in its original place in the bore hole, b. storing of the collected data in a first data-storing means as a 3D representation, c. selecting input parameters to mathematical algorithms that are able to create a calculation of a given physical feature in the drill core sample from the collected and stored data combined with the input parameters, d. performing a three-dimensional analysis of physical features of the drill core samples by processing the collected data stored in the first data means and selected parameters in a data processing unit, while relating the analysis to the spatial position of the feature in the drill core samples, referring to the reference line and a longitudinal axis of the core, and storing the results of the three-dimensional analysis.
The system can be both manually and automatically operated, the låter under complete control of a processing unit, implemented by appropriateSoftware.
Summary of the drawinqs.
The invention will hereinafter be further described and explained in connection with embodiments shown in the attached drawings, wherein Fig. 1 shows schematically a system set-up with a carrier for drill cores in scanning position with a 3D scanner, Fig. 2 shows 3D point cloud containing a projection of a discontinuity in a core sample, Fig. 3 shows schematically a core sample being scanned by a 3D line scanning laser equipment, Fig. 4 shows schematically a part of a 3D representation of a drill core where a discontinuity is identified and Fig. 5 shows a block diagram illustrating a method according to the present disclosure.
Description of embodiments.
Figure 1 shows schematically a set up for a three-dimensional scanning of drill cores, taken from bedrocks etcetera. The different components shown in the set up are arranged in a supporting lattice or framework (not shown).
The disclosed embodiment is designed to comprise a laser distancing and ranging arrangement. Thus a scanning unit 5 is arranged above (as seen in the figure but not shown in detail.) a tray 3, which tray in turn is placed on a carrier 2. The tray 3 is designed to be able to house up to 6 drill cores (not shown) in compartments 8. The scanning unit 5 comprises a digital laser/detector unit which comprises a laser, generating a laser beam, and a distance measuring detector means, optically following the laser spot as it is hitting a target, the spot being arranged to sweep linearly transversely over the core to be measured for the moment, one after the other. The scanning unit thus measures along the laser curve, at a large number of points, with a high resolution the distance of points on the particular curve following the object to be scanned. This generates digitally a curve point cloud, representing a distance curve following the laser line, as the laser beam hits the object to be measured.
As can be seen in the figure 1, the scanning unit 5 is movably arranged and can thus move back and forward in directions marked by X-axis, equally to Scanning axis. So, while scanning from one end of a drill core (not shown) to the other, the scanning unit 5 is arranged, with equidistant small steps in the X directions, to generate a series of digital curve point clouds, with a given resolution, parallel to the Y axis. Added together, those curve point clouds form a 3D representation of the core surface. A scanning unit like the scanning unit 5 is marketed by the company Sitek AB as a "Non-contact distance measurement system". There is also a unit called "Optocator" marketed by LMI3D. With reference to figure 1, the scanning unit 5 is movably arranged with known technology in Z-directions and the carrier 2 is in similar way movable in Y- directions, in order to bring selected cores in scanning position, into the laser field of view, for the scanning unit. Since the cores are mainly cylindrical, the field of view covers nearly 180 degree around the circumference of the core.
A 3 D representation, as mentioned above, can be shown as in fig 2 as a point cloud, in which each individual point also contains data about RGB or greyscale colour, which, if presented on a display, can be interpreted as a "picture". The resolution of the point cloud in fig 2 is changed in order to be clearer to the viewers. In figure 2 can be seen a discontinuity 9. The discontinuity and its position and Alpha and Beta angles can be analyzed as shall be explained below.
In figure 3, which shows schematic representation of a drill core (here with lines and curves instead of a point cloud like the representation in Fig. 2), a laser/detector unit with its radiation shown as a laser output 10 and a sweeping laser beam 11. As the laser beam sweeps, following a sweeping line transverse to the longitudinal axis of the core 1, it hits a part of the curved surface 12 of a mainly cylindrical drill core, positioned beneath the laser in a tray as described above, and a laser spot curve 13 is generated. The laser field of view, as is shown, covers almost half the circumference of the core. On the part of the half of the core that can be seen, the core has a reference line 15, which is indicating the "rotational" position the core had in its original place in the bore hole. The core is of course placed in the tray in such a way that the reference line is "visible", within the field of view, for the scanning unit. The core is also shown with its longitudinal axis 16 marked.
During the sweeping action over the core, the detector means measures the distance of a large number of points along the curved surface, generating a curve point cloud. After that one curve point cloud is completed, the scanning unit generates, with very small incremental steps, repeatedly, curve point clouds along the core. As can be seen in figure 3, a discontinuity 14 is present in the drill core.
In figure 4 is shown a drill core as in figure 3. The discontinuity 14 is marked with three dots, A, B and C. The points A, B and C are marked on three different, separately localized data points from the point cloud, which points are generated as the scanning unit has scanned the core 1. The points A, B and C are here chosen manually by a system operator, but with a computer data analyzing software they can be chosen automatically. Since the "picture" is a digital, three-dimensional point cloud, the three points together define a plane in a three-dimensional space, which intersects the core, and this plane is a good representation of a specific crack in the bedrock, surrounding the bore hole the core is lifted from. Referring now to the reference line 15 and the longitudinal axis 16 of the core, the angles Alpha and Beta of the discontinuity and thereby the crack plane can be calculated by proper software in a computer or a similar processing unit.
Figure 5 shows a block diagram explaining a method for extracting information of a three-dimensional point cloud representing the appearance of a three-dimensional object, in this case especially a drill core.
According to this disclosure, an analytical apparatus for contactless measuring and collecting data on the three-dimensional shape and appearance of at least some part of the outer surface of a drill core sample is used, generating data in a step 20.
The data collected in block 20 is used as an input for a second block step, comprising storing of the collected data in a first data-storing means 21.
For processing of data collected and stored in the first data-storing means 21, input parameters are selected from the stored data and used as selected input in step 22 to mathematical algorithms that are able to create a calculation of a given physical feature in the drill core sample from the stored data combined with the input parameters, e.g physical properties of the drill core.
In the last block 23, finally, comprising a second data storage means, the three-dimensional data stored in the first data storage means 21 is processed in a processing unit with the selected parameters, performing a three-dimensional analysis of physical features of the drill core samples, while relating the analysis to the spatial position of the feature in the drill core samples. The results of the three-dimensional analyses are stored in the second data storage means. The first data storing means and the second data storage means can be combined.
The invention is not limited to the example disclosed and explained above.
The 3D scanner can be of other type as present on the märket as long as it generates a digital three-dimensional data of the scanning object. The laser beam can be arranged in a direction along the longitudinal axis of the core sample to be scanned. The calculation of the plane of a discontinuity can be maid manually, by choosing points in the point cloud representing the surface of the core sample, but can also be made by a computer data analyzing system.
The invention can be used in a system described in WO2011/146014, the content of which is hereby incorporated in this application. This system can be used in combination with a component analyzing unit.
The system and method is also well suited for exploration and analyzing the ground, bedrocks and the like when planning for construction work like tunnels and buildings of different kinds, where information on ground stability is very important. It not limited to ground rocks only but can be used for analyzing other types of drill cores, e.g. concrete drill cores.
It is especially adapted to generate data of Alpha and Beta angles of discontinuities and other planar structures in the core samples, the angles being measured relative to an orientation line on the core sample and a longitudinal axis of the core sample. The system comprises a carrier for holding at least one core sample and an analyzing unit. The invention also relätes to a method for analyzing the structure of drill core samples, e.g. drill core samples that are extracted during the exploration of natural resources such as ore, oil and gas. It is especially adapted to generate information of Alpha and Beta angles of discontinuities in the core samples, the angles being measured relative to an orientation line on the core sample and a longitudinal axis of the core sample.
The physical features sought can be planar discontinuities, geological fabric, ore veins, drill core radius or core volume. Different algorithms apply for different features.
The analysis can include calculation of the acute angle between the drill core axis and the semi-major axis of the elliptical intersection of a plane and the drill core sample (alpha angle) or the rotational angle around the drill core axis between the drill core orientation line and the semi-major axis of the elliptical intersection of a plane and the drill core sample (beta angle) The drill core samples can be such that are extracted during exploration for natural resources, such as mineral resources, oil, and gas, and/or for inspection of bedrock or concrete structures of buildings or construction creations like walls e.g of dams.

Claims (7)

1. System för insamling och bearbetning av data avseende den tredimensionella formen ochutseendet av borrkärneprover (1), t.ex. borrkärneprover som utvinnes vid prospektering avnaturresurser, inklusive sådana data som avser karakteristiska, fysiska egenskaper hosdessa borrkärnor, t.ex. plana diskontinuiteter, vilket system innefattar en bärare (2) för atthålla minst ett borrkärneprov, vilket system kännetecknas av a. en beröringsfri analysapparat (5) för att mäta och samla data om dentredimensionella formen och utseendet av åtminstone en del av den yttre ytan avborrkärneproverna (1), där kärnorna har en referenslinje (15) som indikerar"rotations"-positionen kärnan hade på sin ursprungliga plats i borrhålet, b. ett första datalagringsorgan (21) för lagring av data som samlats in avanalysapparaten som en 3 D-representation, c. en bearbetningsenhet som tillämpar en eller flera datautvärderingsalgoritmer på datalagrad i det första datalagringsorganet (21) för att extrahera data avseende fysiskaegenskaper hos borrkärnorna (1) som utmatning, med hänvisning till referenslinjen(15) och en längdaxel (16) hos kärnan, och d. ett andra datalagringsorgan för lagring av den resulterande utmatningen frånbearbetningsenheten.
2. System enligt krav 1, kännetecknat av att den beröringsfria analytiska apparaten innefattaren på ljus baserad 3D-sensor.
3. System enligt krav 1 eller 2, kännetecknat av att systemet innefattar ettvisualiseringsorgan för att presentera data genererad av systemet.
4. System enligt något av kraven ovan, kännetecknat av att samlade data sparas som ettpunktmoln i det första datalagringsorganet.
5. System enligt något av kraven ovan, varvid systemet innefattar en komponentanalysenhetför att analysera element såsom mineraler etcetera i kärnproverna, varvidkomponentanalysenheten är rörligt anordnad och beroende av ett avståndskontrollorgan förstyrning av avståndet mellan komponentanalysenheten och kärnorna som analyseras, ochkännetecknas av att informationen från bearbetningsenheten används för att beräknaavståndsinmatningen till avståndskontrollorganet.
6. System enligt krav 5, kännetecknat av att komponentanalysenheten är av röntgentyp.
7. Metod för insamling och behandling av data avseende den tredimensionella formen ochutseendet av borrkärneprover, t.ex. sådana borrkärneprover som extraheras underprospektering av naturresurser, inklusive de karakteristiska, fysikaliska egenskaperna hosdessa borrkärnor, såsom plana diskontinuiteter och även innefattande orienteringsmärken påborrkärnproverna, varvid metoden innefattar rumslig analys av data, t.ex. för att beräknaorienteringen av diskontinuiteter i förhållande till borrkärneprovets axel och orienteringslinje,vilken metod kännetecknas av stegen av att använda en analytisk apparat för kontaktlös mätning och insamling av data pä dentredimensionella formen och utseendet av åtminstone en del av den yttre ytan avborrkärnprover, där kärnorna har en referenslinje (15) som indikerar "rotations"-positionen som kärnan hade pä sin ursprungliga plats i borrhälet, att lagra insamlade data i ett första datalagringsorgan som en 3 D-representation, att välja ingängsparametrar till matematiska algoritmer som kan skapa en beräkningav en given fysisk egenskap i borrkärnprovet frän samlad och lagrad datakombinerad med ingängsparametrarna, att utföra en tredimensionell analys av fysiska egenskaper hos borrkärnprovernagenom att bearbeta den uppsamlade data som lagrats i det förstadatalagringsorganet och valda parametrar i en databearbetningsenhet varvidanalysen relateras till den rumsliga positionen för egenskapen i borrkärneproven,refererande till referenslinjen (15) och en längdaxel (16) hos kärnan, och lagring avresultaten av den tredimensionella analysen.
SE1630051A 2016-03-05 2016-03-05 System and method for analyzing drill core samples. SE539697C2 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE1630051A SE539697C2 (sv) 2016-03-05 2016-03-05 System and method for analyzing drill core samples.
CN201780012967.3A CN108885167B (zh) 2016-03-05 2017-03-06 用于分析岩心样品的系统和方法
CA3016136A CA3016136C (en) 2016-03-05 2017-03-06 System and method for analyzing drill core samples
PCT/SE2017/050205 WO2017155450A1 (en) 2016-03-05 2017-03-06 System and method for analyzing drill core samples
ES17763656T ES2906815T3 (es) 2016-03-05 2017-03-06 Sistema y método para analizar muestras de núcleos de perforación
AU2017230042A AU2017230042B2 (en) 2016-03-05 2017-03-06 System and method for analyzing drill core samples
EP17763656.0A EP3423811B1 (en) 2016-03-05 2017-03-06 System and method for analyzing drill core samples
US16/082,111 US11105785B2 (en) 2016-03-05 2017-06-03 System and method for analyzing drill core samples
ZA201805386A ZA201805386B (en) 2016-03-05 2018-08-13 System and method for analyzing drill core samples
CL2018002492A CL2018002492A1 (es) 2016-03-05 2018-08-31 Sistema y método para el ánalisis de la muestra del centro de la perforación

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1630051A SE539697C2 (sv) 2016-03-05 2016-03-05 System and method for analyzing drill core samples.

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Publication Number Publication Date
SE1630051A1 SE1630051A1 (sv) 2017-09-06
SE539697C2 true SE539697C2 (sv) 2017-10-31

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US (1) US11105785B2 (sv)
EP (1) EP3423811B1 (sv)
CN (1) CN108885167B (sv)
AU (1) AU2017230042B2 (sv)
CA (1) CA3016136C (sv)
CL (1) CL2018002492A1 (sv)
ES (1) ES2906815T3 (sv)
SE (1) SE539697C2 (sv)
WO (1) WO2017155450A1 (sv)
ZA (1) ZA201805386B (sv)

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DE102020132736B4 (de) 2019-12-11 2023-04-20 Dmt Gmbh & Co. Kg Mobiles Analysesystem von heterogenen Gesteins- und/oder Bodenproben
WO2022023404A1 (en) 2020-07-31 2022-02-03 Minalyze Ab Method and system for measuring volume of a drill core sample
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