51results about How to "Reduce risk cost" patented technology

The invention provides a method, a system, a computer device and a computer-readable storage medium for predicting the distribution law of shale oil-gas reservoir bedding fractures, and relates to the technical field of oil-gas exploration. The method includes identifying the developmental section of the lamina fractures in a single well shale oil and gas reservoir; evaluating the development intensity of the identified shale oil and gas reservoir lamina fractures in a single well, and obtaining the development intensity of the lamella fractures in a single well; Clarify the main controlling factors of bedding fractures, and establish the relationship information between them and the development intensity of bedding fractures of a single well; predict the bedding fractures of shale oil and gas reservoirs according to the development intensity of bedding fractures of the single well and the relationship information distribution rule. The invention can predict the distribution law of shale oil and gas reservoir shale fractures, provide geological basis for prediction of shale oil and gas sweet spot and reservoir fracturing, thereby reducing the risk cost of shale oil and gas exploration, and has a certain value for guiding the production and development of shale oil and gas. Significance.

The present invention proposes a method and system for predicting the distribution pattern of natural fractures in tight low-permeability reservoirs, wherein the method includes: establishing a conceptual model of natural fracture distribution patterns; using core data and logging data to finely dissect the reservoir configuration According to the interpretation of seismic data, the distribution data of the local structure of faults and folds can be identified and obtained; the natural fractures can be identified according to the core data and logging data, and the relative rock mechanical properties of the interlayer interface can be obtained by analysis. The thickness pairs limit the range of longitudinal extension of fractures; using the conceptual model of natural fracture distribution pattern as a macro constraint, the prediction results of the distribution pattern of natural fractures between wells are obtained. The method and system can better predict the location of natural fractures, and can better describe the distribution pattern of natural fractures, provide geological basis for oil and gas exploration and development in tight and low permeability reservoirs, thereby reducing the risk of oil and gas exploration and development in tight and low permeability reservoirs cost.

The invention provides a horizontal segment core natural fracture parameter characterization method and system. The method comprises the steps that according to data of a horizontal well, well deviation azimuthal angle and well deviation angle of a horizontal segment are obtained; according to core data of the horizontal segment, the extending direction of the horizontal well is taken as the reference direction, an included angel of a natural fracture and the reference direction is measured along the core axial of the horizontal segment, the plane perpendicular to the core axial is taken as the apparent horizontal plane, and the apparent dip of the natural fracture is measured; the well deviation azimuthal angle is used for modifying the included angel of the natural fracture and the reference direction, the direction of the natural fracture is obtained, the well deviation angel is used for modifying the apparent dip of the natural fracture, the dip of the natural fracture is obtained,and parameter characterization of the horizontal well core fracture is achieved. The growth characteristics of the natural fracture can be clearly known by using the method and the system, the basisis provided for making sure of distribution regularities of the natural fracture, guiding well network deployment and reservoir fracturing reformation, thus the risk cost of oil-gas exploration is lowered, and important implications for guidance of oil-gas development and production are achieved.

The invention discloses a control system based on a profibus redundant network topological structure and a switching method of the control system. A master control system and a hot-standby system respectively serve as main stations of two networks, can simultaneously control slave stations under the networks, and both have the control right of a bus; in addition, the master control system and thehot-standby system also respectively serve as the slave stations in the network of the opposite party so as to realize mutual supervision communication and enhance the stability and the redundancy ofthe system. When the master control system fails, the master control system can be switched to the hot-standby system to work in a seamless way. Through the topological structure, data processing (dp) modules of all manufacturers can be used; simultaneously a dp / dp coupler module does not need to be used any longer; the risk cost of the system is reduced; and the reliability of the overall systemis enhanced.

The present invention relates to the technical field of intelligent piloting, in particular to a hardware-in-the-loop testing system and method for intelligent piloting advanced assisted driving, including a power management module, a workstation, a real-time simulator, a video injection device, a fault injection device, a signal conditioning device, and a car machine Equipment, program-controlled power supply, and intelligent domain controller; the present invention uses a real intelligent domain controller, and injects these signals into the domain controller through scene software to construct the required sensor signals. This test method can discover software algorithms in a more timely and comprehensive manner. and hardware defects, shorten the development cycle, and save a lot of risk costs caused by real vehicle testing; by analyzing the real vehicle data, generating the OpenDrive format, and importing the scene simulation software, the problem of matching the simulation map with the actual algorithm loaded map module is solved; The machine receives the positioning information simulated by the virtual scene, and feeds back the navigation information output to the controller to realize the verification of the high-precision positioning fusion algorithm.

The invention discloses a method for measuring the radial flow path clearance of a steam turbine through a laser tracking measuring system. The method comprises the steps that S10, the radial relativeposition of a rotor and a steam cylinder in r the cold state of the steam cylinder is measured; S20, the laser tracking measuring system is adopted to measure a shaft seal and rotor hub surfaces corresponding to partition plates in a station transferring mode, and the diameters and rotor vertical arcs of the measured rotor hub surfaces are fitted; S30, the laser tracking measuring system is adopted to measure tooth tip coordinates of all stages of partition plate steam seal blocks and shaft seal steam seal blocks in the cylinder, and shaft seal bores on the outermost side of the steam end andthe exciter end in a station transferring mode, the shaft seal bores on the outermost side of the steam end and the exciter end are fitted, a cylinder body center line is created, and the distances from the tooth tips of all the stages of partition plate steam seal blocks and the shaft seal steam seal blocks to the cylinder body center line are fitted; and S40, the laser tracking measuring systemis adopted to fit the radial clearance of an actual partition plate steam seal and the shaft seal steam seal in the cylinder under the cold state according to the measured relative position of the rotor and the steam cylinder and based on data in the step S20 and the step S30. By applying the method for measuring the radial flow path clearance of the steam turbine through the laser tracking measuring system, the measuring precision is improved.

The invention relates to a lathe automatic feeding device used for axial machining, and the structure of the lathe automatic feeding device mainly comprises six parts which are a numerically controlled lathe body, a feeding system, a clamping system, a discharging system, a numerical control system and a control panel. The original lathe needs to be operated by qualified persons and has low efficiency. The improved lathe is mainly characterized in that unmanned automatic processing can be realized, thus not only reducing artificial cost so as to improve the production efficiency and the product quality, but also reducing the risk cost of artificial scrap, and greatly enhancing the product reliability and consistency.