Device and method for measuring actual occurrence and thickness of field stratum

Abstract

The invention discloses a device and method for measuring the actual occurrence and thickness of a field stratum. The device comprises a direction measuring disc and a transparent ball installed in the direction measuring disc. The angle measuring disc is installed on the disc face of the direction measuring disc through the rotating connecting disc and can freely rotate around the center position of the direction measuring disc, the inclined measuring column is installed on the rotating connecting disc through the measuring column fixing rotating button, and the lower end of the inclined measuring column can rotate around the measuring column fixing rotating button. The inclined measuring column and the angle measuring disc can rotate synchronously; the alcohol-ethyl ether mixed solution is arranged in the inclined measuring column, a horizontal marker line is arranged along the longitudinal center position of the inclined measuring column, a vertical marker line is arranged along the transverse center position of the inclined measuring column, and the compass is arranged at the top end of the inclined measuring column; according to the invention, the measurement precision of stratum attitude parameters is improved, and the operation difficulty of attitude measurement in a complex environment can be obviously improved.

Description

Technical Field

[0001] The invention relates to the technical field of geological measuring instruments, and in particular to a device and method for measuring the actual occurrence and thickness of field strata. Background Art

[0002] The dip, strike, inclination and thickness of strata are the core parameters that need to be obtained in field geological work. They are also essential tasks in geological profile measurement, establishment of comprehensive stratigraphic columnar diagrams, sequence stratigraphy, and stratigraphic division and comparison.

[0003] At present, the acquisition of the occurrence of strata in the field mainly relies on the geological compass to measure the inclination, strike and dip of the strata. In the actual operation of measuring the strike and dip of the strata, the surveyor needs to first put the short side of the compass close to the surface of the rock formation, slowly adjust the compass so that the bubble in the circular bubble meter is centered, at this time the degree of the compass needle (10) is the strike of the strata, and the direction perpendicular to the long side of the compass is defined as the dip; then the compass is laid flat along the dip, and then turned along the long side so that the compass dial is perpendicular to the rock surface. During this process, the compass cannot be displaced, and then the long bubble meter is manually adjusted to make the bubble centered. At this time, the degree of the dip dial is read as the dip. The process of adjusting the bubble and degree requires the surveyor to keep the face as parallel to the dial as possible. The wire method is mainly used for measuring the true thickness of the strata in the field. At this time, two observers are required to measure the wire length, azimuth, slope angle, angle between the guide line and the strike line and other parameters of the wire, and then obtain the apparent thickness and apparent dip through secondary projection, and finally calculate the true thickness of the stratum according to the true dip.

[0004] In the process of measuring the direction and dip of the strata using various compasses as mentioned above, the surveying personnel need to repeatedly adjust the position of the compass to center the bubble of the circular bubble meter. For subsequent measurement of the inclination, the compass needs to be turned over in situ, and the strip bubble meter and degree need to be adjusted laterally. This process is complicated to operate, and the operation and degree of the surveying personnel are inconvenient. The precision of manual operation directly affects the accuracy of the measurement results. It is extremely inconvenient to measure at locations with large strata inclination, rock bottom and restricted human activities, and the measurement results are prone to errors.

[0005] In the process of measuring the true thickness of the formation using the guide wire method, it is necessary to measure multiple parameters such as the front and rear azimuth of the guide, the length of the guide wire, the slope angle, the angle between the guide line and the strike direction, etc. This requires multiple steps, and the acquisition of each parameter is greatly affected by the topography, measurement method, and human operation. It is not easy to obtain accurate and effective parameters, which in turn affects the calculated true thickness of the formation.

[0006] Although geological compasses with improved structures have been developed to address the above-mentioned problems, they have not fundamentally changed the method and accuracy of parameter acquisition. In addition, there are digital compasses based on GPS positioning and electronic compasses based on gravity and magnetism, but most of them have complex structures, are expensive, are greatly affected by factors such as satellite signals, battery life, and magnetic field stability, and have poor portability, making them unsuitable for long-term field operations. Summary of the invention

[0007] The purpose of the present invention is to provide a device and method for measuring the actual occurrence and thickness of field strata, so as to solve the technical problems in the prior art such as poor portability, large influence of human operation, difficulty in obtaining accurate and effective parameters, easy errors in measurement results, and unsuitability for long-term field operations.

[0008] In order to solve the above technical problems, the present invention specifically provides the following technical solutions:

[0009] A device for measuring the actual occurrence and thickness of a field stratum, comprising:

[0010] Direction measuring disc, with scales from 0° to 360° on the disc surface;

[0011] A transparent ball is installed in the inner cavity of the direction measuring disc and can roll freely along the side curved surface of the direction measuring disc. The tangent point between the transparent ball and the upper surface of the direction measuring disc is the formation inclination line.

[0012] An angle measuring disk is movably mounted on the disk surface of the direction measuring disk by rotating the connecting disk, the angle measuring disk can rotate freely around the center position of the direction measuring disk, the disk surface of the angle measuring disk is marked with 0°~90° double-sided scales, and the 0° scale line is located in the middle of the disk surface of the angle measuring disk;

[0013] An inclination measuring column is mounted on the rotating connection disk through a measuring column fixed rotating knob, the lower end of the inclination measuring column can rotate around the measuring column fixed rotating knob, and the inclination measuring column can rotate synchronously with the angle measuring disk;

[0014] An alcohol-ether mixture is arranged inside the tilt measuring column, a horizontal marking line is arranged along the longitudinal center of the tilt measuring column, and a vertical marking line is arranged along the transverse center of the tilt measuring column, and the vertical marking line is perpendicular to the horizontal scale line;

[0015] A compass is built into the top of the tilt measurement column.

[0016] As a preferred solution of the present invention, the diameter of the transparent ball is equal to the inner diameter of the cavity of the inclination measuring disc, and the transparent ball is arranged in the inner cavity of the inclination measuring disc and can roll freely.

[0017] As a preferred solution of the present invention, the lower end of the rotating connection disk is movably connected to the direction measuring disk, and the angle measuring disk is fixedly installed on the upper end of the rotating connection disk, and the angle measuring disk is installed vertically to the direction measuring disk.

[0018] As a preferred solution of the present invention, the measuring column fixing rotating knob is fixedly mounted on the upper end surface of the rotating connecting disk, so that the tilt measuring column can rotate synchronously with the rotating connecting disk;

[0019] The lower end of the tilt measuring column is mounted on the measuring column fixed rotating button through a rivet, and the tilt measuring column rotates along the angle measuring disk within a range of 0° to 180° with the rivet as a fixed point.

[0020] As a preferred embodiment of the present invention, the liquid volume of the alcohol-ether mixture is 50% of the volume of the cavity of the tilt measuring column, and when the tilt measuring column is in a vertical state, the liquid level of the alcohol-ether mixture completely coincides with the horizontal scale line.

[0021] In addition, the present invention also provides a measuring method of a device for measuring the actual occurrence and thickness of a field stratum, comprising:

[0022] Step 100, measuring instrument operation: place the direction measuring disk of the measuring instrument close to the top or bottom surface of the rock layer, wait for the transparent ball to be completely still, rotate the angle measuring disk to rotate the disk surface of the angle measuring disk so that the alcohol ether mixture completely overlaps with the horizontal marking line, and after the liquid level of the alcohol ether mixture is stable, adjust the direction measuring disk so that its 0° scale line is directly opposite the north direction of the compass.

[0023] Step 200, reading the formation occurrence parameters: keep the instrument still and stable, set the scale line value where the transparent ball is tangent to the upper surface of the direction measuring disk as the formation inclination, recorded as a; set the formation inclination ±90° as the formation strike, recorded as b; read the scale value corresponding to the vertical mark line on the surface of the angle measuring disk as the formation dip, recorded as α;

[0024] Step 300, calculate the single layer thickness: place the direction measuring disk of the measuring instrument at any rock layer point A at the bottom boundary of the stratum that is convenient for measurement, select the lithology layer boundary point B that is convenient for the next measurement, and use the calculation formula to calculate the true thickness H1 from point A to point B;

[0025] Step 400, calculate the total true thickness of the formation: repeat step 300, replace the positions of point A and point B according to the order of the formation time, and continuously measure the true thickness Hi of each single-layer lithology segment in the formation in turn until the formation boundary is measured, and end the measurement. According to the formula H=H1+H2+H3+…+Hi, the total true thickness H of the formation is automatically calculated.

[0026] As a preferred solution of the present invention, in step 300, the single layer thickness parameters are measured to measure the geological parameters required by the calculation formula for calculating the true thickness H1 from point A to point B. The specific implementation steps are:

[0027] Use laser ranging to measure the straight-line distance from point A to point B, and record it as L;

[0028] Rotate the direction measuring disk so that its 0° scale line coincides with the tangent line between the transparent ball and the top surface of the direction measuring disk; rotate the angle measuring disk so that its disk surface is parallel to the AB direction line, read the scale value on the disk surface of the angle measuring disk corresponding to the direction measuring disk, and record it as γ;

[0029] Keep the angle measuring disk still, rotate the tilt measuring column to make the vertical mark line parallel to the AB direction line, read the scale value corresponding to the vertical mark line on the disk surface of the angle measuring disk, and record it as β.

[0030] As a preferred solution of the present invention, in step 300, the calculation formula for calculating the true thickness of a single layer is:

[0031] L1 = L × sinβ;

[0032] L2 = L × cosβ;

[0033] L3=L2×cosγ=L×cosβcosγ;

[0034] L4=L2×sinγ=L×cosβsinγ;

[0035]

[0036] According to the formula:

[0037] Calculate the true thickness H1 between AB.

[0038] As a preferred solution of the present invention, when selecting the lithology stratification boundary point B for the next measurement, it is selected along the direction from old to new in the stratigraphic age, or along the direction from new to old in the stratigraphic age.

[0039] Compared with the prior art, the present invention has the following beneficial effects:

[0040] The present invention can overcome the shortcomings of the existing commonly used geological compass, such as complex operation and large reading errors, and improve the measurement accuracy of formation attitude parameters. Compared with the existing devices, it can significantly improve the operating difficulty when measuring the attitude in complex environments such as along the bottom interface of the rock formation and large-angle formations, and only one reading is required to directly obtain the attitude parameter value without conversion.

[0041] Compared with the traditional wire method, the use of this device to measure the true thickness of the formation significantly reduces the cost of manpower and material resources. It does not require front and rear measuring hands, front and rear compasses, measuring ropes, tape measures, etc. It can be completed by a single person using a single device.

[0042] The device has a simple structure, low-cost materials, good portability, and is completely unaffected by weather conditions, topography, battery power, magnetic field distribution and other factors.

[0043] Moreover, the formation dip and inclination measurement method is simple and convenient, and the true thickness calculation method requires significantly fewer parameters than the traditional method, requiring only three parameters, which are easy to obtain using this device, and the measurement accuracy is high, the calculation process is refined, and the true thickness measurement is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0045] Figure 1 A schematic diagram of the structure of a measuring instrument according to an embodiment of the present invention;

[0046] Figure 2 This is a schematic diagram of the side view structure when the measuring instrument is placed on the rock surface layer according to the embodiment of the present invention;

[0047] Figure 3 This is a schematic diagram of a top view of the structure when the measuring instrument is placed on a rock surface according to an embodiment of the present invention;

[0048] Figure 4 This is a schematic diagram of a top view structure when the disk surface of the angle measuring disk coincides with the tangent line of the transparent ball and the top surface of the direction measuring disk according to an embodiment of the present invention;

[0049] Figure 5 It is a schematic structural diagram of the tilt measurement column when tilted according to an embodiment of the present invention;

[0050] Figure 6 It is a schematic diagram of the principle of the single layer thickness of the stratum according to an embodiment of the present invention;

[0051] The numbers in the figure represent the following:

[0052] 1- Direction measuring disk; 2- Glass ball; 3- Angle measuring disk; 4- Rotating connecting disk; 5- Tilt measuring column; 6- Measuring column fixing rotating knob; 7- Alcohol and ether mixture; 8- Horizontal marking line; 9- Vertical marking line; 10- Compass. DETAILED DESCRIPTION

[0053] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0054] like Figure 1 As shown, the present invention provides a device for measuring the actual occurrence and thickness of field strata, comprising: a direction measuring disk 1, a transparent ball 2, an angle measuring disk 3, a rotating connecting disk 4, an inclination measuring column 5, a measuring column fixing rotating knob 6, an alcohol ether mixture 7, a horizontal marking line 8, a vertical marking line 9 and a compass 10.

[0055] A direction measuring disc 1, the disc surface of which is marked with 0° to 360° scales;

[0056] The transparent ball 2 is installed in the inner cavity of the direction measuring wheel 1 . The diameter of the transparent ball 2 is equal to the inner diameter of the cavity of the direction measuring wheel, and the transparent ball 2 can roll freely along the side curved surface of the direction measuring wheel 1 .

[0057] The angle measuring disk 3 is movably mounted on the disk surface of the steering measuring disk 1 by rotating the connecting disk 4. The angle measuring disk 3 can rotate freely around the center position of the steering measuring disk 1. The disk surface of the angle measuring disk 3 is marked with scales on both sides of 0° to 90°, and the 0° scale line is located in the middle of the disk surface of the angle measuring disk 3.

[0058] The tilt measuring column 5 is installed on the rotating connecting disk 4 through the measuring column fixing rotating button 6. The lower end of the tilt measuring column 5 can rotate around the measuring column fixing rotating button 6, and the tilt measuring column 5 can rotate synchronously with the angle measuring disk 3.

[0059] Specifically, the lower end of the rotating connection disk 4 is movably connected to the direction measuring disk 1 , and the angle measuring disk 3 is fixedly installed on the upper end of the rotating connection disk 4 , and the angle measuring disk 3 is installed vertically to the direction measuring disk 1 .

[0060] The measuring column fixing rotating button 6 is fixedly installed on the upper end surface of the rotating connecting disk 4, so that the tilt measuring column 5 can rotate synchronously with the rotating connecting disk 4. The lower end of the tilt measuring column 5 is installed on the measuring column fixing rotating button 6 through a rivet. The tilt measuring column 5 rotates along the angle measuring disk 3 within the range of 0° to 180° with the rivet as a fixed point.

[0061] An alcohol-ether mixture 7 is arranged inside the tilt measuring column 5. A horizontal marking line 8 is arranged along the longitudinal center of the tilt measuring column 5, and a vertical marking line 9 is arranged along the transverse center of the tilt measuring column 5. The vertical marking line 9 is perpendicular to the horizontal scale line.

[0062] The compass 10 is built into the top of the tilt measurement column 5 .

[0063] The liquid volume of the alcohol-ether mixture 7 is 50% of the volume of the cavity of the tilt measuring column 5. When the tilt measuring column 5 is in a vertical state, the liquid level of the alcohol-ether mixture 7 completely coincides with the horizontal scale line.

[0064] In this embodiment, the direction measuring disc 1 is a hollow transparent cylinder made of organic glass, the angle measuring disc 3 is a transparent semicircular disc made of organic glass, and the tilt measuring column 5 is a hollow transparent column made of organic glass.

[0065] Organic glass is commonly known as acrylic, Zhongxuan acrylic, and Acrylic. Organic glass has good transparency, chemical stability, mechanical properties and weather resistance, so it can improve the service life of the measuring instrument of this embodiment.

[0066] The device can overcome the shortcomings of the existing commonly used geological compasses, such as complex operation and large reading errors, and improve the measurement accuracy of formation attitude parameters. Compared with existing devices, it can significantly improve the operating difficulty when measuring attitude in complex environments such as along the bottom interface of rock formations and large-angle formations, and only requires one reading to directly obtain the attitude parameter value without conversion.

[0067] Compared with the traditional wire method, the use of this device to measure the true thickness of the formation significantly reduces the cost of manpower and material resources. It does not require front and rear measuring hands, front and rear compasses, measuring ropes, tape measures, etc. It can be completed by a single person using a single device.

[0068] The device has a simple structure, low-cost materials, good portability, and is completely unaffected by weather conditions, topography, battery power, magnetic field distribution and other factors.

[0069] The measuring method of the device for measuring the actual occurrence and thickness of the field strata comprises:

[0070] Step 100, measuring instrument operation: Figure 2 and Figure 3 As shown in the figure, place the direction measuring disk of the measuring instrument close to the top or bottom surface of the rock layer and wait until the transparent ball is completely still; Figure 4 As shown, rotate the angle measuring disk so that the disk surface of the angle measuring disk overlaps with the tangent line of the transparent ball and the top surface of the direction measuring disk; Figure 5 as well as Figure 2 As shown, rotate the tilt measuring column along the surface of the angle measuring disk to make the alcohol-ether mixture completely coincide with the horizontal mark line. After the liquid level of the alcohol-ether mixture stabilizes, adjust the direction measuring disk so that its 0° scale line is directly opposite to the north direction of the compass.

[0071] Step 200, read the formation parameters: keep the instrument still and stable, set the scale line value where the transparent ball is tangent to the upper surface of the direction measuring disk as the formation dip, recorded as a; set the formation dip ±90° as the formation strike, recorded as b; Figure 5 as well as Figure 2 As shown in the figure, the scale value corresponding to the vertical mark line on the angle measuring disk is the formation dip angle, which is recorded as α

[0072] Step 300, calculate the thickness of a single layer of the stratum: Figure 6 As shown, place the direction measuring disk of the measuring instrument at any rock layer point A at the bottom boundary of the stratum that is convenient for measurement, select the lithology layer boundary point B that is convenient for the next measurement, obtain the single layer thickness calculation parameters, and use the calculation formula to calculate the true thickness H1 from point A to point B;

[0073] When selecting the lithologic stratification boundary point B for the next measurement, it is selected along the direction from old to new in the stratigraphic age, or along the direction from new to old in the stratigraphic age. The direction from old to new in the stratigraphic age is mainly determined by the collected regional geological map of the working area and the comprehensive lithologic column chart. In addition, whether from old to new or from new to old does not affect the calculation of the true thickness.

[0074] Step 400, calculate the total true thickness of the formation: repeat step 300, replace the positions of point A and point B according to the order of the formation time, and continuously measure the true thickness Hi of each single-layer lithology segment in the formation in turn until the formation boundary is measured, and end the measurement. According to the formula H=H1+H2+H3+…+Hi, the total true thickness H of the formation is automatically calculated.

[0075] In step 300, the single layer thickness parameters are measured to obtain the geological parameters required by the calculation formula for calculating the true thickness H1 from point A to point B. The specific implementation steps are:

[0076] Use laser ranging to measure the straight-line distance from point A to point B, and record it as L;

[0077] Rotate the direction measuring disk so that its 0° scale line coincides with the tangent line between the transparent ball and the top surface of the direction measuring disk; rotate the angle measuring disk so that its disk surface is parallel to the AB direction line, read the scale value on the disk surface of the angle measuring disk corresponding to the direction measuring disk, and record it as γ;

[0078] In this step, since the transparent ball is not fixed on the steering wheel, but is built into the cavity of the steering wheel and can roll freely, it is equivalent to a lead ball. Therefore, the steering wheel can be rotated so that its 0° scale line coincides with the tangent line of the transparent ball and the top surface of the steering wheel.

[0079] Keep the angle measuring disk still, rotate the tilt measuring column to make the vertical mark line parallel to the AB direction line, read the scale value corresponding to the vertical mark line on the disk surface of the angle measuring disk, and record it as β.

[0080] In step 300, the calculation formula for calculating the true thickness of a single layer is:

[0081] L1 = L × sinβ;

[0082] L2 = L × cosβ;

[0083] L3=L2×cosγ=L×cosβcosγ;

[0084] L4=L2×sinγ=L×cosβsinγ;

[0085]

[0086] According to the formula:

[0087] Calculate the true thickness H1 between AB.

[0088] The above-mentioned formation dip and inclination measurement method is simple and convenient, and the true thickness calculation method requires significantly fewer parameters than the traditional method, requiring only three parameters, which are easy to obtain using the device, and has high measurement accuracy, a refined calculation process, and more accurate true thickness measurement.

[0089] The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present application within the essence and protection scope of the present application, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present application.

Claims

1. A device for measuring the actual occurrence and thickness of a stratum in the field, characterized in that: include: A direction measuring disc (1), the disc surface of which is marked with 0° to 360° scales; A transparent ball (2) is installed inside the side curved surface of the direction measuring disc (1), and the transparent ball can roll freely and independently inside the direction measuring disc (1), and the tangent point between the transparent ball (1) and the upper disc surface of the direction measuring disc (1) is the formation inclination line; An angle measuring disc (3) is movably mounted on the disc surface of the direction measuring disc (1) by means of a rotating connecting disc (4), and the angle measuring disc (3) can freely rotate around the center position of the direction measuring disc (1); An inclination measuring column (5) is mounted on the rotating connection disk (4) via a measuring column fixing rotating button (6), wherein the lower end of the inclination measuring column (5) can rotate around the measuring column fixing rotating button (6), and the inclination measuring column (5) can rotate synchronously with the angle measuring disk (3); An alcohol-ether mixture (7) is arranged inside the tilt measuring column (5), a horizontal marking line (8) is arranged along the longitudinal center of the tilt measuring column (5), and a vertical marking line (9) is arranged along the transverse center of the tilt measuring column (5), and the vertical marking line (9) is perpendicular to the horizontal scale line; A compass (10) is built into the top end of the tilt measurement column (5).

2. The device for measuring the actual occurrence and thickness of a field stratum according to claim 1, characterized in that: The diameter of the transparent ball (2) is equal to the inner diameter of the cavity of the inclination measuring disc, and the transparent ball (2) can roll freely along the side curved surface of the inclination measuring disc (1) according to the change of gravity direction.

3. The device for measuring the actual occurrence and thickness of a field stratum according to claim 1, characterized in that: The disk surface of the angle measuring disk (3) is marked with scales on both sides ranging from 0° to 90°, and the 0° scale line is located in the middle of the disk surface of the angle measuring disk (3).

4. The device for measuring the actual occurrence and thickness of a field stratum according to claim 1, characterized in that: The lower end of the rotating connection disk (4) is movably connected to the direction measuring disk (1), and the angle measuring disk (3) is fixedly mounted on the upper end of the rotating connection disk (4), and the angle measuring disk (3) is vertically mounted to the direction measuring disk (1).

5. The device for measuring the actual occurrence and thickness of a field stratum according to claim 1, characterized in that: The measuring column fixing rotating knob (6) is fixedly mounted on the upper end surface of the rotating connecting disk (4), so that the tilt measuring column (5) can rotate synchronously with the rotating connecting disk (4); The lower end of the tilt measuring column (5) is mounted on the measuring column fixed rotating button (6) via a rivet, and the tilt measuring column (5) rotates along the angle measuring disk (3) within a range of 0° to 180° with the rivet as a fixed point.

6. The device for measuring the actual occurrence and thickness of a field stratum according to claim 1, characterized in that: The liquid volume of the alcohol-ether mixture (7) is 50% of the cavity volume of the tilt measuring column (5). When the tilt measuring column (5) is in a vertical state, the liquid level of the alcohol-ether mixture (7) completely coincides with the horizontal scale line.

7. A measuring method based on the device for measuring the actual occurrence and thickness of field strata according to any one of claims 1 to 6, characterized in that: include: Step 100, initially placing the measuring instrument: placing the direction measuring disk of the measuring instrument close to the top or bottom surface of the rock layer, waiting for the transparent ball to be completely still, rotating the angle measuring disk so that the disk surface of the angle measuring disk overlaps with the tangent line of the transparent ball and the top surface of the direction measuring disk, rotating the tilt measuring column along the disk surface of the angle measuring disk so that the alcohol ether mixture completely overlaps with the horizontal marking line, and after the liquid level of the alcohol ether mixture is stable, adjusting the direction measuring disk so that its 0° scale line is directly opposite to the north direction of the compass; Step 200, reading formation dip parameters: keeping the instrument still and stable, setting the scale line value where the transparent ball is tangent to the upper surface of the direction measuring disk as the formation dip, recorded as a; The formation dip ±90° is the formation strike, recorded as b; The scale value corresponding to the vertical mark line on the angle measuring disk is the formation dip angle, which is recorded as α; Step 300, calculate the single layer thickness: place the direction measuring disk of the measuring instrument at any rock layer point A at the bottom boundary of the stratum that is convenient for measurement, select the lithology layer boundary point B that is convenient for the next measurement, and use the calculation formula to calculate the true thickness H1 from point A to point B; Step 400, calculate the total true thickness of the formation: repeat step 300, replace the positions of point A and point B according to the order of the formation time, and continuously measure the true thickness Hi of each single-layer lithology segment in the formation in turn until the top boundary of the formation is measured, and end the measurement. According to the formula H=H1+H2+H3+…+Hi, the total true thickness H of the formation is automatically calculated.

8. The measuring method of the device for measuring the actual occurrence and thickness of field strata according to claim 7, characterized in that: In step 300, the single layer thickness parameters are measured to obtain the geological parameters required by the calculation formula for calculating the true thickness H1 from point A to point B. The specific implementation steps are: Use laser ranging to measure the straight-line distance from point A to point B, and record it as L; Rotate the direction measuring disk so that its 0° scale line coincides with the tangent line between the transparent ball and the top surface of the direction measuring disk; Rotate the angle measuring disk so that its disk surface is parallel to the AB direction line, read the scale value on the disk surface of the angle measuring disk corresponding to the direction measuring disk, and record it as γ; Keep the angle measuring disk still, rotate the tilt measuring column to make the vertical mark line parallel to the AB direction line, read the scale value corresponding to the vertical mark line on the disk surface of the angle measuring disk, and record it as β.

9. The measuring method of the device for measuring the actual occurrence and thickness of field strata according to claim 7, characterized in that: In step 300, the calculation formula for calculating the true thickness of a single layer is: L1 = L × sinβ; L2 = L × cosβ; L3=L2×cosγ=L×cosβcosγ; L4=L2×sinγ=L×cosβsinγ; According to the formula: Calculate the true thickness H1 between AB.

10. The measuring method of the device for measuring the actual occurrence and thickness of field strata according to claim 7, characterized in that: When selecting the lithologic stratification boundary point B for the next measurement, it is selected along the direction from old to new in the stratigraphic age, or along the direction from new to old in the stratigraphic age.

Images