1971 results about "Geological exploration" patented technology

The invention belongs to the field of geological exploration and particularly relates to a rapid prospecting positioning method applicable to a hidden sandstone-type uranium mine. By means of the rapid prospecting positioning method, a minerogenic prospect of the hidden sandstone-type uranium mine can be found optimally, efficiently, rapidly and accurately. The rapid prospecting positioning method comprises the steps of finding a favorable uranium metallogenic province band preliminarily; measuring and acquiring a concentration value of radon gas, shallow earthquake data and electromagnetic data; determining a favorable target position; drawing abnormal profile maps and planar contour diagrams of radon gas data and electromagnetic data; performing mineral occurrence projection transformation; establishing a geophysical-geochemical abnormal model and finding an oxidation-reduction transitional zone predicting area; finding oxidation-reduction zone predicting areas in different positions; judging double-overlapped areas of a radon gas abnormal area and a magnetic abnormal area to be a favorable metallogenic prospect target region. The rapid prospecting positioning method based on combination of specific geological and geophysical-geochemical methods is strong in operability and high in evaluation efficiency, research results have objectivity, and therefore, the rapid prospecting positioning method has significant theoretical importance and practical meaning in deepening prospecting methods of the hidden sandstone-type uranium mine and expanding uranium resources in China.

The invention provides a robot imitating an earthworm to penetrate into the earth, which can creep in the soil. The robot imitating the earthworm to penetrate into the earth structurally comprises a head portion drilling the soil, a front body segment, a rear body segment and a spiral rod for internally discharging the soil, wherein the front body segment and the rear body segment can move forwards and perform turning. The circumferences of the body segments are respectively provided with 3 support feet in an evenly-distributed mode, and the body segments are connected with each other through a pair of lead screw nut mechanisms. Driven by a motor, the support feet and the lead screw nut mechanisms are matched with each other to enable the robot to imitate the earthworm to creep. In addition, the robot is provided with a detection device, a gyroscope and a circuit board, and a combined cable is used to transmit power and information, thereby being favorable for remote real-time control by operators. The robot imitating the earthworm to penetrate into the earth has the advantages of being designed by adopting a biomimetic theory, imitating the earthworm to dig and creep, and being high in earth-penetrating efficiency, simple in structure, low in construction cost and the like. The robot imitating the earthworm to penetrate into the earth can move forwards and perform free turning, and is suitable for underground mineral reserve exploration, geological exploration, earthquake and mining accident rescue and the like.

The present invention concerns very fast scintillator materials comprising lutetium iodide doped with Cerium (Lu1-xI3:Cex; LuI3:Ce). The LuI3 scintillator material has surprisingly good characteristics including high light output, high gamma ray stopping efficiency, fast response, low cost, good proportionality, and minimal afterglow that the material is useful for gamma ray spectroscopy, medical imaging, nuclear and high energy physics research, diffraction, non-destructive testing, nuclear treaty verification and safeguards, and geological exploration. The timing resolution of the scintillators of the present invention provide compositions capable of resolving the position of an annihilation event within a portion of a human body cross-section.

The invention relates to a temperature-regulating intelligent tent fabric and a preparation method of the temperature-regulating intelligent tent fabric. The temperature-regulating intelligent tent fabric comprises a paulin matrix and a temperature-regulating coating, wherein the temperature-regulating coating comprises doped vanadium dioxide (V (1-x)Mx)O2 nanopowder or micelle, wherein 0 <= x <= 0.03. The preparation method of the temperature-regulating intelligent tent fabric comprises the following steps of: (1) preparing doped (V(1-x)Mx)O2; and (2) applying the doped (V(1-x)Mx)O2 to the paulin matrix by coating, padding or impregnating to obtain the temperature-regulating intelligent tent fabric. The temperature-regulating intelligent tent fabric can effectively improve the temperature in a tent, greatly improve the degree of comfort of a user and play a good role in the aspects of field construction, amusement and tourism, geological exploration, rescue and relief work, field hospitals and outdoor banquets, is easy to operate, is low in cost and has a good application prospect.

The present invention relates to a three-dimensional modeling method and device for a geological prospecting ore body, wherein the method includes: Step 1, delimiting a single project ore body according to the exploration project, and obtaining the upper and lower boundaries of the ore body; Step 2, projecting the prospecting project onto the prospecting project On the profile, connect the upper and lower boundaries of the ore body on the exploration profile to obtain the geological body boundary of the ore body in the exploration profile; step 3, connect the geological body boundaries between the exploration profiles with a three-dimensional curved surface to obtain the three-dimensional reconstructed geological body. The invention can realize geological three-dimensional modeling from drilling to profile to curved surface to finally generate solid.

The invention discloses a method for forecasting a carbonate reservoir based on forward modeling of a digital geological model, and is characterized by comprising the following steps: in petroleum geological exploration, through a field carbonate geological outcrop collecting and data processing technology and combination with an actually-measured geological section, establishing a three-dimensional digital geological model of an outcrop area, according to an outcrop rock speed analysis chart and a drill speed data, establishing a speed model of the carbonate reservoir with different physical properties on the basis of the three-dimensional geological model, carrying out two-dimensional forward modeling and three-dimensional forward modeling, carrying out offset horning process on earthquake forward modeling data so as to obtain three-dimensional offset data or a two-dimensional offset section of the earthquake forward modeling, establishing reflecting characteristics of different carbonate reservoirs according to response characteristics of the earthquake section, and forecasting the carbonate reservoir. According to the invention, qualitative forecasting of the carbonate reservoir can be realized without a regular earthquake inversion, a large amount of manpower and device resources are saved, reliability and precision of forecasting of the carbonate reservoir in the earthquake are effectively improved, exploration and development risk can be reduced, and benefit is increased.

The invention provides a method for analyzing and designing a green building. In the method, a series of preliminary design conditions are provided for the design of the green building by computer-assisted design and multi-physical model analysis, and the optimal design conditions of the green building are obtained by weight calculation and analysis; based on the exterior environment of the building, weather conditions and various local renewable energy source conditions, the sorts and rules of available renewable resources can be obtained by establishing a sunlight analysis model, a wind field mathematic model, a noise physical model, a thermal conductivity effect analysis model, an interior daylight physical analysis model, a resource analysis model and the like, and inputting the basic data of rainfall, solar radiation intensity, wind speed, wind direction, geological exploration and the like; the feasibility of the utilization of geothermal resources and the renewable resources is obtained according to the calculation results of the resource analysis model; and on the basis of the feasibility, the final design of the shape of the green building is performed so as to provide boundary condition guide for the design of the green building.

The invention discloses a method for fast establishing interactive tunnel and wall rock body three-dimensional models, which comprises the following steps: A. tunnel line position information base establishment: collecting tunnel line position information and establishing a line position information base; B. geological exploration base establishment: carrying out standardized processing on hole drilling data obtained through geological exploration; C. three-dimensional stratigraphical profile constraint information base establishment: collecting three-dimensional stratigraphical profile constraint information; D. three-dimensional stratigraphical boundary constraint information base establishment: collecting self defined model establishing boundary; E. real three-dimensional tunnel model establishment: precisely establishing a tunnel three-dimensional model according to the information of tunnel line positions, the tunnel hole body outer cross section and the inner cross section; F. real three-dimensional wall rock model establishment: establishing a wall rock model according to the hole drilling and stratigraphical information; and G. tunnel digging and profile real-time cutting display based on the wall rack model body unit. The model establishing efficiency and precision of the tunnel simulation and digitalized design can be improved, the real-time cutting display of the tunnel passing through the wall rock and any vertical profile can be realized, and the fast reestablishment of the model can be realized.

A 3D Motional Command System (MCS) is disclosed for interactive gaming, computer interfaces, communications, imaging, and geological exploration. The system can perform standoff gesture recognition and also function as touch-screens. E-field sensors and array topologies are disclosed comprised of FET discrete transistors. The designs facilitate the fabrication of high density sensor arrays similar to LCD displays. The system can be used in portable and wearable electronic devices. Uses are for PC computers, portable devices, and gaming systems such as the Wii. Other applications include wireless connection of sensor and audio data from a simple headphone jack output.

The invention relates to a digital mine tunneling search prediction method. Engineering geological data including tunnel data, mine data, databases and the like of mines are imported into a data cache region of a processor through input equipment, and integration of tunnel data of mines is completed by interface tools. A three-dimension tunnel structure is built by the aid of an interactive tool, tunneling is performed while tunnel attributes are established, and tunnel network topological structure is built for complicated mining areas. By the digital mine tunneling search prediction method, tunneling of actual engineering or simulated tunnel mining can be realized, and the optimal path of tunnels can be searched according to factors of tunnel length, tunnel geological structure change, geological structural characteristics, stability of surrounding rocks, water inrush property, gas emission and the like, so that risk prediction is realized and risk can be lowered. In addition, the digital mine tunneling search predication method is easy to popularize to applications for underground tunnels and pipelines, blow-off pipelines, underground rivers and the like, provides more visual digital information for underground engineering, and improves accuracy and reliability of data of geological exploration.

The invention relates to the field of geological exploration, particularly to a method and a device for identifying the lithologic character of altered volcanic rock. The method comprises the following steps: the relation between the lithologic character of volcanic rock and the corresponding drilling-logging data is established; lithologic character parameters are extracted from the drilling-logging data relating to the lithologic character of the volcanic rock; the extracted lithologic character parameters undergo information fusion, so as to obtain the feature model for drilling and logging the lithologic character of the volcanic rock; the measuring parameters of the volcanic rock to be measured before the drilling-logging are obtained; the measuring parameters of the volcanic rock to be measured are combined to a group identical with the character parameters in the information fusion, so as to be matched with the feature model; and if the matching is successful, the lithologic character of the volcanic rock corresponding to the volcanic rock to be measured is output. The embodiment of the invention can be used for visually, correctly, quickly and effectively identifying the lithologic character of the volcanic rock, and especially the knowledge on the altered volcanic rock is remarkably improved.

The invention discloses a self-propelled drilling robot which comprises a drilling system, a power system and a control system, wherein the drilling system is used for realizing cutting and conveying of soil; the power system is used for providing the motion capability; the control system is used for controlling the drilling system and the power system; the power system is connected with the drilling system through a transmission; and the control system is in communication connection with the power system and the drilling system. Under the drive of a motor, the robot can realize moving forwards and steering by being pushed by supporting feet. Moreover, the robot is provided with a detection device, a gyroscope and a control circuit board. The application of a combined cable to transmission of a power source and information is beneficial for implementing remote real-time monitoring on the robot by personnel above the ground. The robot has simple mechanism and compact structure, is provided with a drill bit and a dumping device, is beneficial for moving in a self-propelled mode, can successfully drill into the ground, can freely move and steer in the soil, and is suitable for exploration of underground mineral resources, geological exploration, earthquake and mining disaster rescue and the like.

The invention relates to a fault processing method of a high pressure water enrichment area, comprising the following steps of: a. ascertaining the boundary of a tunnel passing through a fault through geological exploration and advance geological prediction, and judging the inflow direction of the fault; b. excavating a drainage hole at the inflow side of the fault next to the tunnel according to the inflow direction of the fault; c. carrying out advanced grouting pre-strengthening per cycle on a tunnel working face under the condition that the drainage hole drains and depressurizes; d. drilling towards the tunnel direction in the drainage hole before excavation and after the grouting pre-strengthening per cycle of the tunnel meets requirements, increasing the drainage ability by using the drilled hole, and further reducing the seepage water pressure in a surrounding rock at the periphery of the tunnel; and e. tunneling from the tunnel working face. Through arranging the drainage hole, the invention reduces the seepage water pressure near the tunnel, effectively avoids the occurrence of the phenomenon of water burst, mud gushing (stones) of fault broken rocks under the action of high pressure water in the construction process and improves the safety and the reliability of tunnel construction and operation.

The invention discloses a volcanic zone fault sealing comprehensive evaluation method specifically based on Karamay oilfield volcanic rock development area. A volcanic zone fault sealing forming mechanism is mainly lithologic opposition and diagenesis. A lithologic opposition characteristic can be reflected in the aspect of the difference between the density of rock stratums on both sides. The diagenesis of a fault zone is affected by cross section pressure, closeness and the like. Through the filling of argillaceous debris and the injection of late fluid, the fault zone is strongly closed. According to the invention, a concept model of fault plane density difference is established; a variety of parameters (cross section normal stress, closeness index and the like) are combined to evaluate diagenesis closeness and docking closeness; closeness influence factors are induced; a weight factor is proposed; through a weight coefficient, a mathematical model is built to acquire a comprehensive factor; and the fault sealing is comprehensively evaluated. According to the invention, a variety of geological factors are considered; accurate requirements of fault sealing quantitative evaluation can be met; and the method can be widely applied to the field of oil and gas resource geological exploration and development evaluation.

The invention discloses a revit three-dimensional platform-based pile foundation automatic generation and three-dimensional calculation method, which is realized based on software Microsoft excel, revit 2015, YJK 1.7.1.0 and DynamoInstall 0.8.0. The method comprises the following steps of generating a curved surface of a supporting layer; designing a pile; converting a model; and performing statistics on the length of the pile. According to the method, in a Revit three-dimensional design platform, a pile foundation can be automatically generated according to calculation or a CAD drawing and a three-dimensional model of the supporting layer and is subjected to three-dimensional calculation, wherein the supporting layer model is generated according to three-dimensional coordinates of geological exploration data by adopting visual programming software Dynamo; and the method is simple in operation, efficient in modeling and accurate in statistics.

The present invention concerns very fast scintillator materials comprising lutetium iodide doped with Cerium (Lu1-xI3:Cex; LuI3:Ce). The LuI3 scintillator material has surprisingly good characteristics including high light output, high gamma-ray stopping efficiency, fast response, low cost, good proportionality, and minimal afterglow that the material is useful for gamma-ray spectroscopy, medical imaging, nuclear and high energy physics research, diffraction, non-destructive testing, nuclear treaty verification and safeguards, and geological exploration. The timing resolution of the scintillators of the present invention provide compositions capable of resolving the position of an annihilation event within a portion of a human body cross-section.

The invention discloses a soil sample collecting device for geological exploration. The soil sample collecting device comprises a machine frame; the machine frame is arranged in an inverted T shape; the left side and the right side of the bottom of the machine frame are in threaded connection with adjusting columns which are vertically arranged; the top of the machine frame is in screw connectionwith a screw rod; a first motor is fixed at the bottom of the screw rod; sliding grooves are formed in the left side and the right side of an inner cavity of the machine frame; a supporting plate is connected between two sliding blocks; the bottom of the first motor is connected to the top of the supporting plate; and the output end of the first motor is connected with a rotating shaft. A soil layer is crushed under the action of a drill bit and a crushing blade, then a soil sample is moved upwards under the action of a spiral propeller, and soil is pushed into a sampling barrel and is moved upwards, so that the pushed soil falls into an obliquely-arranged sampling box through a second threaded sleeve and is collected; and the second threaded sleeve and the sampling box are in threaded connection, so that the disassembly and installation of the second threaded sleeve and the sampling box are facilitated, and the sampling box can be replaced when the soil with different depths is collected.

The invention relates to a drilling engineering design in the petroleum drilling engineering, in particular to wellbore trajectory optimized design and control in the highly-displacement well. For three-stage and four-stage catenary sections, the design of wellbore trajectory is finished through 12 steps. The invention puts forward a new method of two-dimensional catenary trajectory design. A plurality of units with different azimuth wander ratio is divided according to natural deviating rule of formation, which is combined to the formation condition that conforms to the actual situations of drilling engineering. On the basis of maintaining the characteristics and advantages of catenary trajectory and regarding to the influence of natural deviating rule of formation, a method of three-dimensional catenary trajectory design is put forward, which can not only scientifically work out the azimuth lead angle and initial azimuth, but also work out the trajectory parameters of every point inthe wellbore trajectory. The realization of three-dimensional wander trajectory design of catenary section has real meaning of guidance for the drilling design and construction of the highly-displacement well. The invention is used in the field of petroleum and geological exploration.

The invention provides a hydraulic hammer rod type impact drilling tool and belongs to the field of geological exploration engineering and oil drilling. The technical scheme of the hydraulic hammer rod type impact drilling tool includes that the hydraulic hammer rod type impact drilling tool is composed of a turbine driving device, a rotary valve flow distribution mechanism, a impact device, an end cap, a punch hammer, an outer cylinder, an inner cylinder, sealing rings, a flow diversion disk, a casing and drill bit. The turbine driving device comprises a fixed shaft, an upper deep groove ball bearing, a turbine disk, turbine blades, a pressing disk, a lower deep groove ball bearing and a thrust bearing, the rotary valve flow distribution mechanism comprises an upper valve plate and a lower valve plate, and the impact device comprises an impact base, a spring and a hammer rod. When the hydraulic hammer rod type impact drilling tool is operated, the turbine driving device drives the upper valve plate to rotate, an input hole is communicated with a first overflowing hole and a second overflowing hole of the lower valve plate alternately so as to enable the punch hammer to reciprocate in the inner cylinder to achieve circulation impact on an impact base, and impact energy is transmitted to the hammer rod for rock breaking. The hydraulic hammer rod type impact drilling tool can form high frequency axial impact force for assisting rock breaking, facilitates prolonging of service life of the drill bit, improves mechanical drilling speed, and is particularly suitable for hard formation drilling.

The invention provides a method suitable for TBM tunneling tunnel surrounding rock grading joint prediction and application. The method comprises: preliminarily judging the classification of the surrounding rock of the unexcavated section in front of the tunnel TBM according to geological exploration data, detecting the condition of the surrounding rock of the unexcavated section by utilizing an advanced geological prediction method, obtaining surrounding rock parameters, and correcting and preliminarily judging a surrounding rock classification result according to the obtained detection data;according to the obtained surrounding rock parameters of the non-excavated section obtained through the advanced geological forecast, using a data analysis method for the non-excavated section, and obtaining TBM tunneling parameters of the section; and establishing a neural network model, calling the obtained TBM tunneling parameters as input values to the neural network model for prediction, outputting non-excavated section surrounding rock classification, and obtaining a final prediction result by combining a corrected surrounding rock classification result.

The invention discloses an integrating method of a hybrid integrated circuit with controllable working temperature. The method comprises the steps of integrating a common hybrid integrated circuit on the right side of a frontal base aluminium nitride ceramics substrate, integrating a semiconductor freezer on the back of the frontal base aluminium nitride ceramics substrate, respectively leading out connecting lines from two ends of a N type semiconductor and a P type semiconductor, bonding, and connecting the whole circuit. A thermal resistor, which is clinging to a temperature-sensitive semiconductor core, is provided in the device for detecting the inner working temperature of device. An exterior controllable switch circuit and the current direction are controlled by tracking the change of the resistor to check the change of the voltage at two ends of the resistor and to control temperature by controlling the frequency of increasing or decreasing temperature. The integrated circuit of the invention is widely applied to the fields such as space flight, aviation, ship, precise instrument, geological exploration, oil exploration, communication, industrial control, etc. The invention has an expansive market prospect.

The invention provides a movable two-platform partitioned four-arm hanging wall anchor rod and anchor cable construction drill carriage which mainly comprises a crawler traveling part, a machine body platform, drill arm parts, a hydraulic drill part, a temporary support device, a hydraulic operation system, a pump station part and a main motor, and is characterized by also comprising a lifting platform and a platform lifting device, wherein the platform lifting device is installed on the machine body platform, the lifting platform is connected on the platform lifting device, and the drill arms are respectively arranged at the upper part and the lower part of the lifting platform and the left side and the right side of the lifting platform. The operation and the construction of a roadway support are simultaneously carried out in an upper region, a lower region, a left region and a right region in a double-layer partitioned way, thereby shortening the working time and improving the support efficiency. The drill carriage of the invention can be used for carrying out top pushing type temporary support on the heads of working surfaces especially aiming at highly gassy mines and mines with complicated geological conditions, and simultaneously can be used for carrying out construction of gas prediction holes, gas discharge holes and geological exploration holes.

The invention discloses a sampling device for geotechnical exploration, and belongs to the technical field of geological exploration equipment. The sampling device comprises a base, a stabilizing mechanism, a rock cutting mechanism and a drilling and sampling mechanism; four driving wheels are arranged at the bottom of the base; a supporting frame is arranged on the top of the base; the drilling and sampling mechanism comprises a lifting assembly, a lifting plate and a drilling and sampling assembly; the drilling and sampling assembly comprises a sampling barrel and a connecting frame; a rotating shaft is arranged on the connecting frame; a spiral blade is arranged on the rotating shaft in a sleeved mode; and a drilling head is arranged at the bottom end of the rotating shaft in a sleevedmode. The sampling device has the beneficial effects that the lifting operation of the drilling and sampling assembly can be realized, and the sample can be conveyed to a material collecting hopper byvirtue of the drilling and sampling mechanism; the automatic cutting assembly can be used for cutting and crushing rock samples; and a rotary assembly can drive the automatic cutting assembly to rotate to a proper position, so that the interference of the automatic cutting assembly on the operation of the drilling and sampling mechanism is avoided.

The invention discloses a hard compound reinforcing bridging agent comprising the following materials in parts by weight: 30-40 parts of shell powder, 15-30 parts of calcium carbonate, 30-40 parts ofnatural hard rubber and 20-30 parts of natural hard fiber. A preparation method comprises the following step: uniformly mixing and stirring the materials in parts by weight at normal temperature and pressure. The hard compound reinforcing bridging agent is prepared by compounding elastic plugging materials with a certain rigidity according to a scientific mixing proportion, and rigid solid granules with different granule diameters enter leaking cracks, leaking pores and leaking passages in the plugging construction process and play bridging and supporting roles in the leaking cracks, the leaking pores and the leaking passages with different sizes. The invention has high supporting capability and plugging characteristic, wide using range, and the like and is widely applied to leakage prevention and plugging technologies of oil and geological exploration.

The invention discloses a preparation method of bentonite for slurry. The method comprises steps of airing and crushing, sodium modification, baking and breaking, and synergizing and grinding. After being aired and crushed, calcium-based bentonite raw ore material is delivered into a rubbing mill; a sodium agent and water are added into the crushed raw ore material, mixed, stirred and rubbed to obtain a sodium material; the sodium material is delivered into a drying grinder for baking and breaking, so that a semi-finished product is obtained; a synergist containing sodium hydroxide and macro-molecular polymer is added into the semi-finished product; and the semi-finished product is ground and packaged to obtain a high-viscosity and low-filter-loss bontonite finished product for slurry The preparation method is simple in process and low in preparation cost, and is particularly applicable to preparation of bentonite for slurry in petroleum drilling and geological exploration drilling.

The invention relates to an underground karst cave filling treatment method. The method includes the steps of geological exploration, hole collapse protection, drilling, drill hole washing, bubble composite soil preparation and grouting operation. According to the method, the defect of diseconomy caused by heavy excavation construction or the operation that cement paste or concrete is poured into karst caves is overcome, it is guaranteed that the karst caves are fully filled with the cement paste or the concrete, construction is convenient, the construction period is shortened, and investment can be saved.

The invention discloses a construction method by adopting dewatering and water recharging to control sedimentation surrounding a deep foundation pit, which comprises the following steps that: quantity and depth of dewatering wells are accurately determined by calculating water inflow of the deep foundation pit under the action of pressure water and the construction quality of finished wells is guaranteed; aquifers and pervious beds of the soil outside the foundation pit are determined through a geological exploration report, a target soil layer to be recharged is calculated, and a steel sleeve is sent to the target soil layer through a method for drilling a slope inside the foundation pit; a high-level water tank is arranged on the top part of the foundation pit, the water outlet of the high-level water tank is connected with a recharging well opening, water inside the foundation pit is pumped by a high-pressure pump to the high-level water tank and then to be pressed to the recharging well through the high-level pressure and to reach the recharged target soil layer. By utilizing the method, the underground water level inside the foundation pit can be maintained at a set water level, so a favorable condition can be created to the project construction. At the same time, the underground water level outside the foundation pit is adjusted to be stably maintained within a warning level, so powerful guarantee can be created for the safety of roads and buildings outside the foundation pit.

The invention relates to a geological logging interpretation and evaluation method for oil drilling exploration. The method is based on wellbore information and collects drilling time, oil and gas characteristics of rock samples, fluorescence characteristics, gas measurement parameters, mud tank surface conditions, storage 20 parameters of 6 categories of layer electrical measurement parameters are stored in the corresponding table, and then the scoring method is used to assign specific points to each parameter item; geological analysis experts make interpretation and evaluation conclusions based on the above parameter information to guide on-site personnel to judge the underground The properties of the reservoir fluid can achieve the goal of protecting oil and gas layers and safe drilling, and provide accurate and reliable geological parameters in time to provide a basis for the next step of work measures or construction plan formulation. The geological interpretation and evaluation method provided by the present invention analyzes and defines the parameters reflecting reservoir characteristics and fluid properties, so that qualitative data can be transformed into quantitative or semi-quantitative interpretation, and from a single evaluation to a comprehensive analysis and evaluation of multiple parameters, which can make Reservoir interpretation and evaluation results or conclusions are more scientific and rational.

The present invention relates to core drilling system in geological exploration, petroleum drilling, scientific drilling and other industry, and is especially one combined core drilling system driven with well motor and impactor for core drilling in hard rock and deep hole. The combined core drilling system includes coring tool and coring bit connected to the lower end of the coring tool as well as well motor and impactor with upper end connected to the lower end of the motor driving shaft and lower end connected to the upper end of the coring tool. The well motor provides the coring tool and the coring bit with rock crushing torque, and the impactor provides the coring tool and the coring bit with rock crushing impact force. The core drilling system can lower power consumption, reduce wear of drilling rod, raise drilling length each coring and prevent drilling hole from becoming inclined.

The invention provides a method for detecting the total organic carbon content and brittleness space distribution of a shale reservoir and relates to the technical field of petroleum geological exploration. The method comprises the following steps of building a reservoir mineral rock physical model; determining range and brittleness extreme values of correlated elastic parameters or elastic parameter assemblies of the total organic carbon content and the brittleness of the shale reservoir; acquiring the correlated elastic parameters or the elastic parameter assemblies of the total organic carbon content and the brittleness of the shale reservoir; performing horizon interpretation on the correlated elastic parameters or the elastic parameter assemblies obtained by the AVA inversion of seismic data volume according to the range and brittleness extreme values of the correlated elastic parameters or the elastic parameter assemblies, determining a gas-containing shale reservoir area and a brittleness area, and acquiring top to bottom interface data of the gas-containing shale reservoir area and the brittleness area; determining the gas-containing shale reservoir thickness distribution and the brittleness area body thickness distribution of the shale reservoir according to the top to bottom interface data of the gas-containing shale reservoir area and the brittleness area. According to the method, the problem of lacking of a parameter reference for the total organic carbon content and brittleness space distribution in shale gas exploration can be solved.