CN115879333B - Linear directional drilling geological exploration drilling layout method - Google Patents
Linear directional drilling geological exploration drilling layout method Download PDFInfo
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- CN115879333B CN115879333B CN202310220402.1A CN202310220402A CN115879333B CN 115879333 B CN115879333 B CN 115879333B CN 202310220402 A CN202310220402 A CN 202310220402A CN 115879333 B CN115879333 B CN 115879333B
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Abstract
The invention discloses a method for arranging geological exploration drilling holes of a linear directional drill, which comprises the following steps of: selecting different types of linear directional drilling types according to the positions of different investigation objects in the topography and the landform; step 2: determining the position, the spatial orientation, the vertex angle and the depth of an earth entering point of a drilling hole according to the selected linear directional drilling type; step 3: site measurement lofting is carried out, and the soil entering point is rechecked and adjusted according to the actual topography; step 4: recalculating the azimuth, the vertex angle and the depth of the drilling space according to the adjusted soil entering point; step 5: installing and debugging a directional drilling machine; step 6: drilling construction, hole inclination correction and final hole acceptance inspection are carried out according to the selected linear directional drilling type; step 7: and carrying out geological record on the rock core. The invention can effectively improve the investigation quality and the drilling utilization rate of deep underground caverns, dams and junction buildings thereof, deep unloading and deep buried fracture zones, karst cave and the like, reduce the exploration cost and improve the construction progress.
Description
Technical Field
The invention relates to the technical field of drilling exploration, in particular to a drilling layout method for geological exploration of a linear directional drill.
Background
The directional drilling combines the traditional geological exploration coring technology and the directional technology, and is aided with the hole testing technology, so that basic geological conditions such as lithology, structure, unloading, weathering, groundwater dynamics, special geological phenomena and the like of an engineering area can be intuitively and accurately known, and the mountain heavy exploration technology is used for providing basis for analysis and evaluation of main geological problems of the engineering area.
At present, the conventional drilling layout method in the gorge Gu Ou mainly comprises vertical drilling from the surface downwards, and has the main defects that the included angle between the drilling and the poor geology phenomenon is changeable, the disclosed geology data is not ideal, and the effective hole section is only the tail end of the hole bottom, so that the drilling utilization rate is extremely low and the work is half.
In the traditional geological survey of underground cavern group engineering, the engineering geological conditions of the parts such as underground caverns are ascertained, a large number of open holes are often required to be excavated, the open holes are excavated and influenced by the control of initiating explosive devices, the construction cost is high, the progress is slow, the blasting vibration can also produce adverse effects on the environment, meanwhile, due to the random stacking of waste slag, the problems such as ecological environments and geological disasters are often brought, or the open holes are trapped under the control of the conditions such as topography and the like, and the open holes are often not implemented.
In some environment sensitive areas, channels forbidden to be constructed or river courses with turbulent water flow, the traditional exploration means mainly comprise the steps of constructing an exploration platform in a water area, exploring by vertical drilling holes, controlling river and channel limitation and other factors, and carrying out relevant analysis by geophysical prospecting means, wherein the geophysical prospecting results have multiple resolvability, and cannot accurately guide design and construction.
In the construction of the deep-buried long tunnel, the geological problems of mud burst, large deformation of soft rock, harmful gas, rock burst and the like are prominent, and advanced geological forecast is needed in the construction; the traditional pilot hole forecasting means is implemented on the tunnel face, so that the construction interference on the tunnel is large, and the construction progress is seriously influenced.
Based on the problems, the invention provides a method for arranging the geological exploration drilling holes of the linear directional drill.
Disclosure of Invention
The invention aims to provide a linear directional drilling geological exploration drilling layout method, which solves the problems in the prior art, can effectively improve the exploration quality and drilling utilization rate of deep unloading and deep burying fracture zones, karst caves, underground water, weak interlayers and the like in pumped storage power generation engineering, compressed air energy storage power generation engineering, hydraulic and hydroelectric engineering and the like, reduces invalid hole sections, reduces exploration cost, improves construction progress, eliminates the defects of blindness, inefficiency, inaccuracy, no pertinence, uneconomical and the like in the traditional exploration layout method, and achieves the purposes of improving quality and enhancing efficiency.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a method for arranging geological exploration drilling holes of a linear directional drill, which comprises the following steps:
step 1: according to the positions of different investigation objects in the topography and the geomorphology, combining a plan view, a section view and on-site topography and geomorphology conditions, selecting different types of linear directional drilling types, wherein the investigation objects comprise pumped storage power generation engineering, compressed air energy storage power generation engineering, hydraulic and hydroelectric engineering deep buried underground caverns, dams and junction buildings thereof, fault zones, deep unloading zones and karst caverns;
step 2: determining the position, the spatial orientation, the vertex angle and the depth of an earth entering point of a drilling hole according to the selected linear directional drilling type;
step 3: site measurement lofting is carried out, and the soil entering point is rechecked and adjusted according to the actual topography;
step 4: recalculating the azimuth, the vertex angle and the depth of the drilling space according to the adjusted soil entering point;
step 5: installing and debugging a directional drilling machine;
step 6: drilling construction, hole inclination correction and final hole acceptance inspection are carried out according to the selected linear directional drilling type;
step 7: and carrying out geological record on the core taken out by the directional drilling.
Preferably, the linear directional drilling comprises ultra-deep horizontal holes, exploration flat holes, horizontal holes in addition, sagging holes in the exploration flat holes, inclined holes, riverbed opposite-penetrating inclined holes, upward inclined holes in the exploration flat holes and reverse sagging holes in the exploration flat holes.
Preferably, the ultra-deep horizontal holes are distributed on a topographic line of the side wall of the mountain, in the investigation of the deep-buried compressed air energy storage underground gas storage holes and the tunnel inlets and outlets, the drilling positions are selected at the pre-construction positions of the deep-buried compressed air energy storage underground gas storage holes and the tunnel inlets and outlets, the drilling directions are horizontally arranged, and the drilling depth is more than 1000 meters.
Preferably, the exploration flat hole connecting horizontal holes are distributed in the flat holes, the positions of the exploration flat hole connecting horizontal holes are selected on the face of the flat holes, the drilling direction is horizontally arranged, and the drilling depth is equal to the drilling depth until the exploration flat hole connecting horizontal holes penetrate through the deep unloading zone and the poor karst cave geological body.
Preferably, the sagging holes in the exploration flat are distributed in the flat, the positions of the sagging holes in the exploration flat are selected from the ground in the flat, and the drilling direction is vertically downward.
Preferably, the inclined holes are distributed on a topographic line of the side wall of the mountain, and the drilling direction is inclined downwards and faces the fault zone.
Preferably, the riverbed diagonal holes are distributed on two sides of a river, the drilling direction of the riverbed diagonal holes faces to the lower part of the river, and the depth of the riverbed diagonal holes is equal to that of the riverbed diagonal holes until the riverbed diagonal holes penetrate through the fracture zone and the pie rock mass under the high ground stress condition.
Preferably, the inclined hole in the exploration flat hole is formed in the flat hole, the position of the inclined hole in the exploration flat hole is selected on the top wall of the flat hole, and the direction of the inclined hole in the exploration flat hole is inclined upwards.
Preferably, the anti-sagging holes in the exploration flat hole are distributed in the flat hole, and the direction of the anti-sagging holes in the exploration flat hole is vertically upwards.
Preferably, the entry point in the step 2 is a point where the drill bit starts to enter the stratum during drilling.
Preferably, the spatial orientation in the step 2 refers to an spatial orientation angle of a line connecting the earth point and the object to be surveyed.
Preferably, the depth in the step 2 refers to the length of the drilling direction.
Preferably, in the step 3, after the measurement and lofting, fine adjustment is performed on the soil entry point according to the field micro-landform conditions and the mechanical equipment requirements.
Preferably, in the step 4, after the fine adjustment of the earth entry point, the attitude and the depth directional drill design parameters are converted again according to the flat, cross-sectional and trigonometric function relations.
Preferably, in the step 4, during the drilling process, the attitude of the directional drill is dynamically monitored, so as to ensure that the range of the angle deviation is within 1%.
Preferably, in the step 4, trigonometric function conversion is performed according to the attitude angle during the directional drilling and recording, so as to obtain the geological layer thickness.
Preferably, in the step 5, the directional drilling machine, the materials and the spare parts are carried to a site soil-entering point position, site leveling is performed, water, electricity and oil are carried to the orifice, then the directional drilling machine is installed and positioned according to the orientations and the top angles of different drilling holes, and then functional and performance testing and debugging are performed.
The invention discloses the following technical effects:
1. the geological exploration layout method of the linear directional drill is adopted in the gorge Gu Ou, after the design of the whip, the drilling can reach an exploration object according to the shortest route, the ineffective footage and the workload are greatly reduced, the comprehensive efficiency is high, the data availability is high, and compared with the traditional exploration with a point strip line, the geological conditions of different parts of an engineering area can be more complete, real and pertinently disclosed, so that the accuracy and the effect which cannot be achieved by the traditional vertical hole are achieved.
2. In the geological survey of underground cavern group engineering, the linear directional drilling geological exploration layout method is adopted, and through flexible deflecting design, horizontal directional drilling can be carried out from a plurality of parts into a survey area, so that the method can replace the flat hole survey to a certain extent, and has the advantages of low construction cost, fast progress and small site limitation.
3. In some environment sensitive areas, channels forbidden to be constructed or channels with turbulent water flow, the linear directional drilling geological exploration layout method is adopted, after reasonable deflecting design, the method can avoid the above-mentioned areas which cannot be implemented, and then smoothly enter into the investigation area to drill holes, sample, test and the like, so that the method has good flexibility.
4. The linear directional drill geological exploration layout method is adopted in the deep-buried long tunnel construction, the horizontal directional drill can enter the tunnel axis for exploration after flexible deflecting design is carried out on the positions, such as the vicinity of the tunnel face or the ground surface, and meanwhile, the horizontal directional drill has large drillable depth, long-distance forecasting can be carried out, mutual noninterference can be carried out synchronously with the tunnel construction, and the construction efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a process flow diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of ultra-deep horizontal hole layout according to the present invention;
FIG. 3 is a schematic diagram of a horizontal hole layout for exploration flat hole addition in accordance with the present invention;
FIG. 4 is a schematic view of the layout of sagging holes in a exploration flat hole according to the present invention;
FIG. 5 is a schematic diagram of the slant hole layout of the present invention;
FIG. 6 is a schematic view of the cross-hole arrangement of the riverbed according to the present invention;
FIG. 7 is a schematic view of the layout of the inclined holes in the exploration flat hole of the present invention;
FIG. 8 is a schematic view of the layout of the inverted vertical holes in the exploration flat hole according to the present invention.
Wherein, 1, ultra-deep horizontal hole; 2. compressed air energy storage underground gas storage holes; 3. adding a horizontal hole into the exploration flat hole; 4. deep unloading belt; 5. karst cave; 6. exploration of sagging holes in a flat hole; 7. a topographic line; 8. a flat hole; 9. inclined holes; 10. a fault zone; 11. river flow; 12. the river bed is penetrated with inclined holes; 13. exploring an inclined hole in a flat hole; 14. exploration of a reverse sagging hole in a flat hole; 15. and a weak interlayer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-8, the invention provides a method for arranging a geological exploration drilling hole of a linear directional drill, which comprises the following steps:
step 1: according to the positions of different investigation objects in the topography and the geomorphology, combining a plan view, a section view and on-site topography and geomorphology conditions, selecting different types of linear directional drilling types, wherein the investigation objects comprise pumped storage power generation engineering, compressed air energy storage power generation engineering, deep buried underground caverns of hydraulic and hydroelectric engineering, dams and junction buildings thereof, fracture zones 10, deep unloading zones 4 and karst caves 5;
step 2: determining the position, the spatial orientation, the vertex angle and the depth of an earth entering point of a drilling hole according to the selected linear directional drilling type;
step 3: site measurement lofting is carried out, and the soil entering point is rechecked and adjusted according to the actual topography;
step 4: recalculating the azimuth, the vertex angle and the depth of the drilling space according to the adjusted soil entering point;
step 5: installing and debugging a directional drilling machine;
step 6: drilling construction, hole inclination correction and final hole acceptance inspection are carried out according to the selected linear directional drilling type;
step 7: and carrying out geological record on the core taken out by the directional drilling.
In the step 1, according to the plan and the section of the design, the object to be surveyed is fully analyzed, and the optimal route of the earth surface to the object to be surveyed is optimized by combining the existing topography and topography data aiming at different characteristics of underground buildings such as a dam, an underground factory building and a long diversion tunnel, so as to determine the theoretical optimal earth entering point, the attitude angle, the depth and the applicable directional drilling type.
Further optimizing scheme, the linear directional drilling comprises an ultra-deep horizontal hole 1, an exploration flat hole connecting horizontal hole 3, an exploration flat hole inner sagging hole 6, an inclined hole 9, a riverbed opposite-penetrating inclined hole 12, an exploration flat hole inner tilting hole 13 and an exploration flat hole inner anti-sagging hole 14.
In a further optimization scheme, ultra-deep horizontal holes 1 are distributed on a topographic line 7 on the side wall of a mountain, in investigation of the deep-buried compressed air energy storage underground gas storage holes 2 and tunnel inlets and outlets, drilling positions are selected at construction positions of the deep-buried compressed air energy storage underground gas storage holes 2 and tunnel inlets and outlets, drilling directions are horizontally arranged, and drilling depth is larger than 1000 meters.
As shown in fig. 2, when the directional drilling type is selected, aiming at a deeply buried compressed air energy storage underground gas storage hole 2 or a deeply buried diversion tunnel, the traditional vertical hole cannot be implemented due to the topography, the exploration flat hole has large investment and long construction period, and the ultra-deep horizontal drilling can effectively replace the traditional exploration method, so that the high efficiency, the accuracy and the economy of the exploration work are realized.
Further optimizing scheme, the exploration flat hole adding horizontal hole 3 is arranged in the flat hole 8, the position of the exploration flat hole adding horizontal hole 3 is selected on the face of the flat hole 8, the drilling direction is horizontally arranged, and the drilling depth is equal to the depth of the drilling hole until the drilling hole penetrates through the deep unloading belt 4 and the poor geologic body of the karst cave 5.
As shown in fig. 3, when the directional drilling type is selected, the problems are effectively solved by adding the horizontal hole 3 to the exploration flat hole when the deep unloading zone 4, the deep fracture zone and the like cannot be disclosed in the existing exploration flat hole in the dam site area or when the advance pre-report needs to be carried out on the existing flat hole face, so that the deep poor geology problem can be ascertained, the purposes of investment and construction period double saving can be realized, and the advanced pre-report work can be more targeted.
Further optimizing scheme, the sagging holes 6 in the exploration flat are distributed in the flat 8, the positions of the sagging holes 6 in the exploration flat are selected from the ground in the flat 8, and the drilling direction is vertically downward.
When the directional drilling type is selected as shown in fig. 4, the engineering with high requirements on the investigation depth of the rock mass of the dam, such as the design of impermeable curtains on two sides, is difficult to meet the requirements on the conventional vertical hole in depth, the upper hole section is mostly an invalid hole, the problem is effectively solved by the vertical downward drilling of the sagging hole 6 in the exploration flat hole, the footage, investment and construction period are saved, and the exploration target is more targeted.
In a further preferred embodiment, the inclined holes 9 are arranged on the topographic line 7 of the mountain side wall, and the drilling direction is inclined downwards and faces the fault zone 10.
As shown in fig. 5, when the directional drilling type is selected, aiming at the investigation of unfavorable geological defects such as a deep buried underground factory building, a deep karst cave 5, a fault zone 10 and the like, the inclined hole 9 can select an optimal drilling route between two points by means of the terrain advantage, the target of directional exploration is realized, and the construction period and the cost are saved.
In a further optimized scheme, the riverbed diagonal holes 12 are arranged on two sides of the river 11, the direction of drilling the riverbed diagonal holes 12 faces to the lower side of the river, and the riverbed diagonal holes 12 are deep until penetrating through the fault zone 10 and the pie rock mass under the high ground stress condition.
When the directional drilling type is selected as shown in fig. 6, aiming at the investigation of the forward fracture of the dam site, the conventional water vertical holes are limited by the point density, difficult to find out, extremely high in exploration difficulty, high in cost, long in construction period and poor in economy, and the problems can be effectively solved by using the riverbed to penetrate the inclined holes 12, namely, the optimal soil entering point and the optimal attitude angle can be calculated in the low-elevation holes on two sides, so that the drilled holes penetrate the riverbed obliquely, and whether the dam site of the riverbed has the fracture resistance problem is found out.
Further optimizing scheme, the inclined hole 13 in the exploration flat hole is formed in the flat hole 8, the position of the inclined hole 13 in the exploration flat hole is selected on the top wall of the flat hole 8, and the direction of the inclined hole 13 in the exploration flat hole is inclined upwards.
When the directional drilling type is selected as shown in fig. 7, in order to find out bad geological conditions such as fracture structural surface, seepage state of underground water, karst development condition and the like in the overlying rock mass of the flat hole, a proper position and an upward inclination angle layout method in the exploration flat hole of the directional drilling arrangement are adopted to find out basic geological conditions at the upper part of the flat hole 8, and a basis is provided for the design of a building and the treatment of bad geological defects.
Further optimizing scheme, the anti-sagging holes 14 in the exploration flat are distributed in the flat 8, and the direction of the anti-sagging holes 14 in the exploration flat is vertically upwards.
As shown in fig. 8, when the directional drilling type is selected, in order to find out bad geological conditions such as a nearly horizontal fracture structural surface, a weak interlayer 15 and the like in the overlying rock of the flat hole 8, the method for arranging the geological exploration of the anti-sagging holes of the linear directional drilling is to arrange the anti-sagging holes 14 in the exploration flat hole at proper positions and the upward inclination angles in the exploration flat hole so as to find out the basic geological conditions of the upper part of the flat hole, and provide basis for the design of buildings and the treatment of bad geological defects.
And (3) further optimizing the scheme, wherein the earth entering point in the step (2) is the point where the drill bit starts to enter the stratum during drilling.
In a further optimization scheme, the space orientation in the step 2 refers to the space orientation of the connecting line of the earth point and the object to be surveyed.
Further optimizing scheme, the depth in the step 2 refers to the length of the drilling orientation direction.
And (3) in the further optimization scheme, after the measurement and lofting, the soil entering point is subjected to fine adjustment according to the field micro-relief conditions and the mechanical equipment requirements.
In a further optimization scheme, in the step 4, after the earth entry point is finely adjusted, the attitude and the depth directional drill design parameters are converted again according to the flat, sectional view and trigonometric function relation.
In a further optimized scheme, in the drilling process in the step 4, the attitude angle of the directional drill is dynamically monitored, and the range of the angle deviation is ensured to be within 1%.
In a further optimization scheme, in the step 4, trigonometric function conversion is carried out according to the attitude angle during directional drilling and recording, and the layer thickness of the geologic body is obtained.
In a further optimization scheme, in step 5, the directional drilling machine, materials and spare parts are conveyed to a site soil-entering point position, site leveling is carried out, water, electricity and oil are conveyed to an orifice, then the directional drilling machine is installed and positioned according to the directions and the top angles of different drilling holes, and then functional and performance testing and debugging are carried out.
The invention relates to a linear directional drill, which is a directional drill type with parameters such as space azimuth, vertex angle, depth and the like of a drill hole laid according to requirements, and is used for geological investigation, scheme design, treatment of geological defects and the like of different buildings of pumped storage power generation engineering, compressed air energy storage power generation engineering and hydraulic and hydroelectric engineering.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (9)
1. The method for arranging the geological exploration drilling holes of the linear directional drill is characterized by comprising the following steps of:
step 1: according to the positions of different investigation objects in the topography and the geomorphology, combining a plan view, a section view, the site topography and the geological conditions, selecting different types of linear directional drilling types, wherein the investigation objects comprise a pumped storage power generation project, a compressed air energy storage power generation project, a hydraulic and hydroelectric project deep buried underground cavity, a dam and a junction building thereof, a fault zone (10), a deep unloading zone (4) and a karst cave (5), and the linear directional drilling comprises an ultra-deep horizontal hole (1), a exploration karst cave adding horizontal hole (3), a sagging hole (6) in the exploration karst cave, an inclined hole (9), a riverbed opposite-penetrating inclined hole (12), an inclined hole (13) in the exploration karst cave and an anti-sagging hole (14) in the exploration karst cave;
the ultra-deep horizontal hole (1) is arranged on a topographic line (7) on the side wall of a mountain, in investigation of the deep-buried compressed air energy storage underground gas storage hole (2) and the tunnel entrance, the drilling position is selected at the pre-construction position of the deep-buried compressed air energy storage underground gas storage hole (2) and the tunnel entrance, the drilling direction is horizontally arranged, and the drilling depth is more than 1000 meters;
the exploration flat hole adding horizontal holes (3) are arranged in the flat holes (8), the positions of the exploration flat hole adding horizontal holes (3) are selected on the face surface of the flat holes (8), the drilling direction is horizontally arranged, and the drilling depth is up to pass through the deep unloading belt (4) and the poor geologic body of the karst cave (5);
the vertical holes (6) in the exploration flat holes are arranged in the flat holes (8), the positions of the vertical holes (6) in the exploration flat holes are selected from the ground in the flat holes (8), and the drilling direction is vertically downward;
the inclined holes (9) are distributed on a topographic line (7) on the side wall of the mountain, and the drilling direction is inclined downwards and faces the fault zone (10);
the riverbed diagonal holes (12) are arranged on two sides of a river (11), the drilling direction of the riverbed diagonal holes (12) faces to the lower part of the river (11), and the depth of the riverbed diagonal holes (12) is equal to the depth of the riverbed diagonal holes (12) until the riverbed diagonal holes penetrate through the fault zone (10) and the pie-shaped rock mass under the high-ground stress condition;
the inner inclined hole (13) of the exploration flat hole is formed in the flat hole (8), the position of the inner inclined hole (13) of the exploration flat hole is selected on the top wall of the flat hole (8), and the direction of the inner inclined hole (13) of the exploration flat hole is inclined upwards;
the anti-sagging holes (14) in the exploration flat hole are arranged in the flat hole (8), and the direction of the anti-sagging holes (14) in the exploration flat hole is vertically upwards;
step 2: determining the position, the spatial orientation, the vertex angle and the depth of an earth entering point of a drilling hole according to the selected linear directional drilling type;
step 3: site measurement lofting is carried out, and the soil entering point is rechecked and adjusted according to the actual topography;
step 4: recalculating the azimuth, the vertex angle and the depth of the drilling space according to the adjusted soil entering point;
step 5: installing and debugging a directional drilling machine;
step 6: drilling construction, hole inclination correction and final hole acceptance inspection are carried out according to the selected linear directional drilling type;
step 7: and carrying out geological record on the core taken out by the directional drilling.
2. The method for laying out a geological exploration borehole of a linear directional drill according to claim 1, wherein the method comprises the following steps: the entry point in the step 2 is a point where the drill bit starts to enter the stratum during drilling.
3. The method for laying out a geological exploration borehole of a linear directional drill according to claim 1, wherein the method comprises the following steps: the space orientation in the step 2 refers to the space orientation of the connection line between the earth point and the object to be surveyed.
4. The method for laying out a geological exploration borehole of a linear directional drill according to claim 1, wherein the method comprises the following steps: the depth in the step 2 refers to the length of the drilling direction.
5. The method for laying out a geological exploration borehole of a linear directional drill according to claim 1, wherein the method comprises the following steps: and in the step 3, after the measurement lofting, the soil entering point is subjected to fine adjustment according to the field micro-relief condition and the mechanical equipment requirement.
6. The method for laying out a geological exploration borehole of a linear directional drill according to claim 1, wherein the method comprises the following steps: in the step 4, after the earth entry point is finely adjusted, the attitude and the depth directional drill design parameters are converted again according to the flat, sectional view and trigonometric function relation.
7. The method for laying out a geological exploration borehole of a linear directional drill according to claim 1, wherein the method comprises the following steps: in the step 4, during the drilling process, the attitude angle of the directional drill is dynamically monitored, and the range of the angle deviation is ensured to be within 1%.
8. The method for laying out a geological exploration borehole of a linear directional drill according to claim 1, wherein the method comprises the following steps: in the step 4, trigonometric function conversion is performed according to the attitude angle during the directional drilling and recording, so as to obtain the layer thickness of the geologic body.
9. The method for laying out a geological exploration borehole of a linear directional drill according to claim 1, wherein the method comprises the following steps: in the step 5, the directional drilling machine, materials and spare parts are carried to a site soil-entering point position, site leveling is carried out, water, electricity and oil are carried to an orifice, then the directional drilling machine is installed and positioned according to the directions and the top angles of different drilling holes, and then functional and performance testing and debugging are carried out.
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| CN111335928A (en) * | 2020-03-10 | 2020-06-26 | 中铁第六勘察设计院集团有限公司 | Horizontal geological survey arrangement method for deep-buried underground cave depot |
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| DE102004004316A1 (en) * | 2004-01-28 | 2005-08-11 | Max Streicher Gmbh & Co. Kg Aa | Method of producing deep wells in geological structures |
| CN111502677B (en) * | 2020-05-25 | 2021-07-16 | 中铁第六勘察设计院集团有限公司 | Underground engineering depth combined geological survey arrangement method |
| CN114352299B (en) * | 2021-12-31 | 2023-09-22 | 长江三峡勘测研究院有限公司（武汉） | Parallel advanced ultra-deep geological prediction method under construction condition of TBM (Tunnel boring machine) of deep-buried long tunnel |
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