20 results about "Drill site" patented technology

The invention relates to the technical field of coal mines, in particular to an underground high-confined aquifer area treatment method which comprises the following steps: S1, performing underground directional drilling treatment, layering a high-confined aquifer according to the thickness and rich water distribution characteristics of the high-confined aquifer, and constructing a plurality of main directional drill holes in a directional drill site, then a plurality of branch directional drill holes extend from the same layer or different layers of each main directional drill hole to the plane direction of the treatment area from the directional drill site, and a grouting channel is formed; s2, grouting is conducted on the directional drill hole; and S3, underground common drill verification is carried out, and the treatment effect is checked through common drill holes which are arranged in parallel at equal intervals. Compared with a common drilling treatment working face, average construction drilling holes are greatly reduced, casing pipes and cement materials can be saved, the moving frequency and construction time of a drilling machine are reduced, and manpower and material resources are reduced.

The application discloses a kind of prevention and cure method of gas over-limit of ultra-thick coal seam fully mechanized caving face initial mining, when roadway layout in ultra-thick coal seam planning, a main air inlet lane, a main air return lane and panel drainage lane are constructed in mining area boundary;The production process before the first weighting of roof is the initial mining of working face;Before working face mining, drill site is constructed in the lane adjacent to the lane on both sides of working face, and directional interception extraction is carried out in the drill site to the pre-caving top coal body above the mining height of fully mechanized caving face;Before working face mining or during working face formation, bedding borehole is constructed in advance in drainage lane, and the borehole is constructed at the top of the roadway wall of drainage lane, to ensure that the final hole of borehole is located in different height range of working face not collapsed solid coal;To prevent gas over-limit in upper corner of working face, short borehole is constructed in the coal body not collapsed upward in the lane on one side of working face air return lane, and the borehole faces the advancing direction of working face mining, to realize interception extraction before coal body collapse.

The invention provides a long-distance high-pressure grouting advanced modification method for a coal mine working face, which belongs to the field of coal mining and comprises the following steps of: drilling a plurality of first grouting holes at intervals along the tunneling direction of a roadway by taking a top plate as a reference; the roadway is tunneled after the first grouting hole is sealed and grouted; a drilling site is formed in the roadway, and a plurality of second grouting holes are drilled through the drilling site; and the second grouting holes are sealed and grouted. The coal mine reinforcing method aims at solving the problem that in the prior art, a coal mine reinforcing mode is difficult to comprehensively reinforce faults, wrinkles, collapse columns, areas with low coal and rock mass strength and peripheral key stress rock stratums. The grouting pre-reinforcement method has the advantages that grouting pre-reinforcement is carried out aiming at faults, folds, collapse columns, roadway tunneling, working face stoping and the like which are affected by low strength of coal and rock masses, the reinforcement effect is improved, the roadway tunneling efficiency is improved, and safe stoping of the working face is guaranteed.

The invention relates to a working face roof multi-drill-hole drainage and drainage amount monitoring optimization design method, and belongs to the technical field of coal mine hydrological monitoring, and the method comprises the following steps: after the construction of a first drill site is completed, collecting the final hole water inflow of each drill hole, and calculating the water inflow of the first drill site and the cumulative proportion of each drill hole; calculating a variable coefficient of the water inflow of the first drill site; the drill holes of the first drill site are classified, and the drill holes needing to be monitored are screened; after the kth drill site is newly added, collecting the final hole water inflow of the drill holes in the current construction drill site, and calculating the water inflow of each kth drill site and the accumulated proportion of each drill site; calculating variable coefficients of the water inflow of all the current constructed drill sites; the drill sites are divided into a class I, a class II and a class III; calculating an accumulated proportion and a variable coefficient of all current constructed I-type drill site drill holes; all the drilled holes of the constructed I-type drill sites are classified, and the drilled holes needing to be monitored are screened; and repeating the steps until the construction is finished.

The invention relates to an emergency drilling plotting method based on personnel positioning, which belongs to the technical field of emergency drilling and comprises a data acquisition step, a time axis establishment step and a drilling plotting step. Obtaining multi-modal data in the drilling scene, and establishing time association between the multi-modal data and a preset drilling script; establishing a time axis according to the drilling script and the multi-modal data, and marking event information in the drilling script and event information in the drilling site in the time axis according to a time sequence; the exercise script and the multi-modal data are plotted on the map according to the time axis on the basis of the time dimension, the personnel dimension and the action dimension to obtain exercise plotting data, dynamic visualization of the exercise process is achieved by integrating the multi-modal data and the preset exercise script and establishing time association, the structuralization degree of the exercise data is improved, and the exercise efficiency is improved. Based on three-dimensional plotting of time, personnel and actions of a map, the drilling dynamic state can be visually displayed, and the standardization and controllability of drilling are enhanced.

1. Name of the product in this design: Borehole gas pressure monitoring equipment. 2. Purpose of this design: This design is used to monitor the gas pressure at drilling sites. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The present application relates to the technical field of mine area treatment, in particular to a method for treating room-and-pillar type goaf, which comprises: arranging a water pumping drill site and a grouting drill site on the room-and-pillar type goaf, the grouting drill site and the water pumping drill site corresponding to the goaf space; respectively performing drilling at the water pumping drill site and the grouting drill site to obtain a water pumping hole and a grouting hole communicating with the goaf space; injecting hardenable slurry into the goaf space through the grouting hole, while pumping out underground water in the goaf space through the water pumping hole; after the slurry hardens, arranging a monitoring drill site on the room-and-pillar type goaf and performing drilling at the monitoring drill site to obtain a monitoring hole for observing the filling rate of the slurry, the monitoring hole communicating with the goaf space. The method for treating room-and-pillar type goaf can improve the stability of the room-and-pillar type goaf and avoid the collapse of the room-and-pillar type goaf.

A surface drilling system for performing surface mineral exploration diamond core drilling and methods for making and utilizing the same. The surface drilling system can include a drill rig system and one or more drill rig support systems for supporting drill rig operations. If including as support vehicles, the drill rig support systems can comprise a tilt-tray vehicle and an offroad-capable vehicle that can be configured for towing one or more trailers. The tilt-tray vehicle can be equipped with a standardized shipping container for facilitating loading and transporting of equipment associated with the surface drilling system. The surface drilling system advantageously can comprise a set of equipment for surface mineral exploration diamond core drilling that enables highly-mobile, cost-efficient drilling operations to be performed at a predetermined drill site, which can include remote environments with temperature and other climate extremes.

The present application relates to a kind of coal roadway excavation working face coal seam roof hydraulic fracturing permeability enhancement extraction method, belong to coal mine underground hydraulic fracturing permeability enhancement technical field.The method present application is a kind of coal roadway excavation working face coal seam roof hydraulic fracturing permeability enhancement extraction method, according to coal seam thickness, coal seam firmness coefficient, roof firmness coefficient, coal roadway planned excavation month footage etc.Parameter, by the alternate arrangement drill site construction offset coal roadway a certain distance of roof directional long borehole and carry out hydraulic fracturing, press through roof and make fissure expand to coal seam, improve coal roadway area coal seam permeability, improve the extraction range of directional long borehole.The method can not only ensure that fracturing range can cover planned excavation coal roadway, but also can prevent directly fracturing damage roof after coal roadway above and affect excavation and support, avoid excavation and extraction alternately and extraction borehole is not damaged in the process of excavation, coal seam roof rock directional drilling horizon is easy to control, pore-forming property is good, need not worry about hole collapse problem.

The invention relates to the technical field of geometric quantity precision measurement, and discloses a four-layer half-hole plate precision drilling and cutting track measurement system, which comprises an image acquisition module, a deformation analysis unit and a track measurement module, and is characterized in that the image acquisition module acquires a random texture image of the surface of a to-be-drilled site and a dynamic projection contour of a cutting tool; the deformation analysis unit identifies a feature point displacement vector and is used for reconstructing a non-uniform grid and converting the deformation of the base material into a local coordinate offset of a corrected reference surface; and the trajectory metering module extracts gray gradient data to determine a main shaft deflection vector, and identifies a depth zero position in combination with a shadow shortening rate, and by using an inversion mechanism of base material local texture displacement and rotating light and shadow characteristics, the non-linear residual caused by press fit stress release is eliminated, and the spatial consistency of complex inner layer space motion trajectory metering is ensured.

The invention discloses a distributed hydrogen energy power station with a thermoelectric water triple co-generation function, which belongs to the technical field of hydrogen energy application devices and comprises a hydrogen fuel cell, an anode of the hydrogen fuel cell is connected with a hydrogen system, and a cathode of the hydrogen fuel cell is connected with an air system. And the hydrogen fuel cell is also connected with a byproduct water tail emission recovery system, a heat supply system and a power supply system. The energy conversion efficiency of the generator set is higher than that of a traditional fuel (gas) generator set, and the generator set can be connected with a fuel generator, an industrial power grid and the like; single equipment is high in rated power and can replace the traditional MW-level fuel oil (gas) generator set for a drilling site one by one; the external heat exchange interface can provide a heat source for production and life; and a supporting power supply is matched, so that cold start and power dynamic support can be realized, the influence of frequent and abrupt load increase on the fuel cell system is avoided, and the water supply, heat supply and power supply three-in-one characteristic is realized.

The invention discloses an actual combat anti-unmanned aerial vehicle red-blue confrontation drill assessment method, system and device, and the method comprises the steps: building a drill site through obtaining an anti-unmanned aerial vehicle equipment configuration scheme of a target scene, and laying anti-unmanned aerial vehicle equipment in the drill site; controlling the target aircraft to execute a drilling task according to a preset drilling strategy, and obtaining original detection data detected by the target anti-unmanned aerial vehicle equipment and coordinate time sequence data of the target aircraft; according to the coordinate data of the target anti-unmanned aerial vehicle equipment and the coordinate time sequence data of the target aircraft, based on the interference element combinations and the benefit reduction effects of the interference elements, obtaining benefit reduction time sequence data matched with the interference element combinations one by one; obtaining drill detection data according to the original detection data and the benefit reduction time sequence data; and obtaining a confrontation result of the target anti-unmanned aerial vehicle device to the target aircraft according to the drilling detection data. The problems that actual combat drilling is difficult to directly carry out in many high-risk areas, and simulation drilling is difficult to directly carry out through a computer are at least solved.

The present application belongs to the technical field of coal mine underground main drainage system, and discloses a coal mine underground main drainage system sump deformation string sump treatment process. The process effectively solves the problem of water string between internal and external sumps caused by the fact that the traditional sump treatment process does not consider the stress transmission between sump groups. The process comprises: during construction, a temporary water storage sump with double water retaining walls and multiple standby pumps is used, including the construction of internal and external water retaining walls, the installation of multiple submersible pumps, and the laying of multiple water feeding pipelines to the main drainage pump; a hierarchical three-dimensional grouting method is constructed: roof deep hole grouting; surrounding rock deep hole grouting, which is divided into multiple rounds of grouting, and the multiple rounds of pressure grouting process adopts a "grouting-hole casing drilling-regrouting" cycle; sump wall shallow hole grouting; three drill sites are designed for the grouting reinforcement of the sump block surrounding rock. The present application can achieve an effective sump cross section recovery rate of 90% or more, a water string channel plugging rate of 100%, a reduction in rock column permeability coefficient, and an extension of the service life of the support structure.

A mobile drilling rig is configured to drill boreholes into the ground about a drill site. To assist navigating the mobile drilling rig and other machines about the drill site, a material pile mapping system can be included that includes the borehole locations and an estimated material pile dimension associated with a material pile formed about the borehole from material removed during drilling of the borehole. The material pile dimension can be estimated from an estimated material pile volume of the material removed from the borehole.

A method for coordinating coal seam floor blasting roadway protection and efficient gas extraction includes the following steps: S1: Determine the lithology of the coal seam floor and the target decompression coal seam; S2: Prepare deep-hole pre-splitting blasting equipment for the coal seam; S3: Determine the blasting layer position and thickness of the coal seam floor; S4: Arrange drilling sites in the coal seam floor rock roadway: drill blasting holes and extraction holes; S5: Deliver explosives from the blasting holes to the designed blasting layer position of the coal seam floor; S6: Perform conventional stemming and sealing of the holes, and detonate after confirming safety; S7: Seal the blasting holes again; S8: Repeat the above steps, connecting the blasting holes and extraction holes of each drilling site, and begin gas extraction from the mined coal seam. This invention forms a coal seam floor blasting layer in the coal seam floor through the fracture guidance and compensation effect of the blasting holes and coal seam cross-layer drainage holes, thereby increasing the permeability of the coal seam and improving the gas extraction effect, while weakening the impact of rock pressure and high ground stress on the coal seam floor roadway.

The application relates to the technical field of artificial intelligence communication optimization, and discloses a wellhead monitoring data transmission delay optimization system based on wireless communication, which is suitable for complex environments such as oil and gas field drilling sites, coal mine wellheads and geothermal wellheads. The system comprises a sensing and collecting unit, a field RTU, an explosion-proof edge computing gateway and a backhaul side edge access server. By introducing a diffusion bridge-TCN-GRU delay prediction model and a double-target Actor-Critic scheduling mechanism in the edge computing gateway, multi-link state perception, delay prediction and intelligent scheduling are realized. The system can dynamically distribute and redundantly return between cellular, NB-IoT, LoRa and satellite links, and combine an EDF-LSTF hybrid scheduling algorithm to optimize message shaping and priority management. The application effectively improves the real-time performance, stability and energy efficiency of wellhead monitoring data transmission, and enhances the communication reliability and safety under complex working conditions.

A surface drilling system for performing surface mineral exploration diamond core drilling and methods for making and utilizing the same. The surface drilling system can include a drill rig system and one or more drill rig support systems for supporting drill rig operations. If including as support vehicles, the drill rig support systems can comprise a tilt-tray vehicle and an offroad-capable vehicle that can be configured for towing one or more trailers. The tilt-tray vehicle can be equipped with a standardized shipping container for facilitating loading and transporting of equipment associated with the surface drilling system. The surface drilling system advantageously can comprise a set of equipment for surface mineral exploration diamond core drilling that enables highly-mobile, cost-efficient drilling operations to be performed at a predetermined drill site, which can include remote environments with temperature and other climate extremes.

The invention discloses a rapid coal uncovering method for a high-gas soft coal seam in super-large-section tunneling, which comprises the following steps of: firstly, constructing a small pilot tunnel in a central area at the bottom of a tunnel, performing cross-layer drilling on a target coal seam in front of the small pilot tunnel by using the small pilot tunnel, and finishing pilot outburst elimination of the small pilot tunnel area through hydraulic punching and gas extraction; then, an annular concrete reinforcing area is constructed on the periphery of the small pilot tunnel through high-pressure grouting; a small pilot tunnel is tunneled under the protection of a reinforcing area, an operation space is formed, a drill site is arranged in the operation space, bedding drilling is constructed towards a peripheral area, the bedding drilling realizes reliable hole sealing by utilizing the reinforcing area, and finally, large-range outburst elimination is completed through the bedding drilling, so that rapid coal uncovering of a high-gas soft coal seam in super-large-section tunnel tunneling is realized. According to the method, outburst elimination is conducted in advance through the small pilot tunnel, the reinforcing area is constructed to guarantee hole sealing, on the premise that safety is guaranteed, the long and low-efficiency coal uncovering period of a traditional technology is successfully and greatly shortened, and double breakthrough of safety and efficiency is achieved.

A method and apparatus for drilling micropiles, measuring parameters at the micropile drill site, and using the data to determine the anchoring capacity of the micropile installation site.