13 results about "Natural gas field" patented technology

The invention discloses a dynamic early warning method for a high-sulfur-content natural gas leakage influence range in the field of leakage gas monitoring. The method comprises the following steps: arranging an intermediate infrared laser remote measurement system in a high-sulfur-content natural gas field to monitor the concentration of hydrogen sulfide gas in the gas field in real time; judging whether the gas field is leaked or not according to the concentration of the hydrogen sulfide gas, if so, executing the next step, otherwise, repeating the judgment; calculating leakage flow and leakage hole radius; and substituting the leakage hole radius and the leakage flow into the optimized time sequence Gaussian smoke cloud model to obtain the concentration values of the hydrogen sulfide gas at different moments and different spatial positions, namely the influence ranges of the leakage gas at different moments. According to the method, the size of the leakage hole can be calculated, the dynamic correction process of the three-dimensional leakage range of the Gaussian model is completed, various conditions of mixed gas leakage factors are considered at the same time, and the dynamic calculation process of the influence range of the leakage gas is achieved.

The application relates to a filter of a natural gas production site gas-liquid separator blowdown system, which comprises a filter body, the filter body comprises a lower cavity and an upper cavity, a filter screen is arranged between the lower cavity and the upper cavity; the lower cavity is connected with a liquid inlet, a lower end cover is fixedly connected to the bottom of the lower cavity, a lower elbow assembly is fixedly connected to the outside of the lower end cover, and the lower elbow assembly is connected with a backwashing liquid outlet; the upper cavity is connected with a liquid outlet, an upper end cover is fixedly connected to the upper part of the upper cavity, an upper elbow assembly is fixedly connected to the outside of the upper end cover, and the upper elbow assembly is connected with a backwashing liquid inlet. The application also comprises a use method of the above-mentioned blowdown system. The filter of the application is installed on the pipeline of the natural gas gas-liquid separator blowdown system, filters the liquid separated by the separator, and prevents impurities in the liquid from adversely affecting the use efficiency of an electric ball valve and a control valve in the blowdown system.

The invention belongs to the technical field of natural gas exploitation, and provides a method and system for exploiting a sulfur-containing natural gas field by using a common compressor. The system comprises a common compressor, an industrial control cabinet and a background server communicating with the industrial control cabinet, the gas inlet end of the common compressor is connected with a desulfurizing agent reactor, the gas inlet end of the desulfurizing agent reactor is connected with a wellhead low-pressure gas conveying pipeline, and an electrochemical sensor, a PH value sensor and a temperature sensor are arranged on the desulfurizing agent reactor. And the desulfurizing agent reactor is connected with a desulfurizing agent spraying device controlled by the industrial control cabinet. A desulfurizing agent reactor is arranged at the gas inlet end of a common compressor, the desulfurizing agent reactor is provided with a desulfurizing agent filling device, low-pressure sulfur-containing natural gas is subjected to desulfurization reaction in the desulfurizing agent reactor, and the natural gas reaching the standard after desulfurization enters the common compressor. Therefore, a solution for treating the sulfur-containing natural gas by adopting a common compressor is realized, and a special sulfur-containing compressor is not needed any more.

The invention relates to the technical field of natural gas extraction and transportation, and discloses a natural gas station valve indicator which comprises a bottom plate, a square groove is formed in the bottom plate, an adjusting mechanism is arranged in the bottom plate and comprises a first transmission rod, and the outer side of the first transmission rod is rotationally connected to an inner through hole of the bottom plate; a twisting block is fixedly connected to the side, away from the bottom plate, of the first transmission rod, a driving bevel gear is fixedly connected to the side, close to the bottom plate, of the first transmission rod, threaded rods are rotationally connected to the two sides of the inner wall of the square groove, and a driven bevel gear is fixedly connected to one end of each threaded rod. By rotating the operating part and utilizing bevel gear transmission and threaded connection, the arc-shaped plate and the mounting plate which are connected with the operating part can be driven to be subjected to position adjustment, the arc-shaped plate can be attached to valves of different sizes, the contact area is increased, the mounting stability is improved, and mounting holes in the mounting plate can be matched with standard bolts or plug pins to achieve firm fixing.

This invention relates to the field of natural gas technology and economics, specifically to a system and method for calculating the unit full cost of a natural gas field development plan. The method involves: acquiring parameters of the natural gas field development plan, dividing these parameters into basic parameters and annual parameters; calculating the total cost, operating taxes, and surcharges of the natural gas field development plan based on these parameters; obtaining the full cost of the natural gas field development plan based on the total cost, operating taxes, and surcharges; calculating the unit full cost of the natural gas field development plan based on the obtained full cost; performing a sensitivity analysis on the unit full cost; and finally obtaining the results of the sensitivity analysis. The advantages of this invention are that it assists in the economic evaluation of natural gas field development plans, improves the effectiveness of investment, accelerates the process from planning to implementation of development plans, and reduces business risks.

The application relates to the technical field of natural gas and discloses a data analysis method, device, medium, equipment and product in the field of natural gas, which comprises the following steps: determining a task type according to a query instruction; reading a plurality of natural gas tables in the case that the task type is a natural gas report generation task; determining first-level target data based on a first-level natural gas table and a target natural gas table; determining a first-level target factor based on the first-level target data; determining a second-level natural gas table related to the first-level target factor, taking the second-level natural gas table as a new first-level natural gas table, repeating the step of determining the first-level target data based on the first-level natural gas table and the target natural gas table until a preset termination condition is met, and obtaining target factors of various levels; and inputting the target factors of various levels into a large language model to generate a natural gas report, so that the writing efficiency of the natural gas report is improved.

The present invention discloses a method and system for optimizing leakage monitoring points in gathering and transportation pipelines. The method comprises: dividing the gathering and transportation pipeline network of a high-sulfur natural gas field into multiple pipelines; evaluating each pipeline's risk of corrosion due to liquid accumulation, geological disasters, and third-party sabotage; estimating the leakage volume of pipelines with at least one of these risks based on the actual operating conditions of the different pipelines, thereby obtaining the corresponding failure leakage pattern; and locating leakage monitoring points within the failed pipelines based on the leakage pattern of the failed pipelines and the population distribution characteristics surrounding the corresponding pipelines. The present invention can enhance the targeted nature of leakage monitoring and effectively improve the effectiveness of pipeline leakage monitoring.

The utility model relates to the field of natural gas transportation, in particular to a natural gas station flow distributing and transporting device which comprises a shell and a gas inlet pipe arranged in the shell in a penetrating mode. The air inlet pipe is used for being communicated with an external air conveying pipeline; a connecting pipe penetrates through the shell; the output end of the air inlet pipe is communicated and hermetically connected with the input end of the connecting pipe; the shell is fixedly connected with a fixing assembly; the fixing assembly is used for fixedly connecting a gas pipeline; the connecting pipe communicates with a flow dividing assembly. A mounting frame is attached to the outer wall of a natural gas pipe by rotating a connecting rod, the natural gas field pipe is fixed through a bolt and the mounting frame, then an adjusting disc drives a lead screw to rotate through the adjusting disc, and a limiting block at the bottom of a movable seat slides along a limiting groove; and the natural gas conveying pipe is driven to move by driving the connecting rod at the top of the movable seat and the mounting frame, so that the external gas pipe is propped against and sealed with the gas inlet pipe.

The invention relates to the technical field of natural gas, and discloses a data analysis method and device in the field of natural gas, a medium, equipment and a product. Under the condition that the task type is a natural gas report generation task, reading a plurality of natural gas tables; determining target data of the first level based on the natural gas table of the first level and a target natural gas table; determining a target factor of the first level based on the target data of the first level; and determining a natural gas table of a second level related to the target factor of the first level, taking the natural gas table of the second level as a new natural gas table of the first level, and repeating the step of determining the target data of the first level based on the natural gas table of the first level and the target natural gas table until a preset termination condition is met. Obtaining a target factor of each level; and inputting the target factors of each level into the large language model to generate a natural gas report so as to improve the writing efficiency of the natural gas report.

The utility model relates to a sea-based platform LNG (Liquefied Natural Gas) liquefying system based on LNG tank container storage and transportation, which is characterized in that a floating bridge pipeline transportation system gathers and transports gas wells on land by using pipelines and transports natural gas to the sea-based LNG liquefying system by using a floating bridge system; the sea-based LNG liquefaction system is a ship or a maritime work platform which is used for pressurizing, purifying, refrigerating and liquefying natural gas of a land gas field through the floating bridge pipeline transportation system, and the LNG tank container is hoisted to an LNG filling station of the sea-based LNG liquefaction system or hoisted back to the sea-based LNG storage system or the LNG tank container transport ship through the lightering hoisting system and finally transported to a terminal user to be unloaded and then returned to the air. An LNG liquefaction factory, a container yard and a wharf do not need to be built on the land, and the system has the advantages of being short in construction period, high in flexibility, low in cost and economical in operation, and is suitable for LNG liquefaction storage and transportation of small natural gas fields with the yield of 10-500 thousand tons every year or boundary gas fields with large development and matching difficulty.

The present invention relates to a method for exploiting natural gas fields rich in carbon dioxide to produce methanol.

The utility model relates to a kind of natural gas field unmanned mobile inspection equipment, including track, assembly component is arranged on track, assembly component includes connecting groove, connecting block and back push box, connecting block is inserted in the inside of connecting groove, the inside sliding connection of connecting block has moving plate, and the outer wall of moving plate side is integrally connected with plug block, the inside of connecting groove is provided with insertion slot, and plug block and insertion slot are compatible, the inner wall of connecting block is provided with guide rod, and moving plate sliding sleeve is connected in the outside of guide rod, the inner wall of connecting block is provided with spring one connected with moving plate.The utility model connecting block is inserted in the inside of connecting groove, the elastic force of spring one itself can promote moving plate and plug block to move, make plug block insert insertion slot, two auxiliary guidance connection assembly can be controlled, without using multiple screws, whether it is to track assembly or split, operation step is more convenient, can improve the assembly and split efficiency of track.

The invention discloses a natural gas field verification / calibration acquisition and analysis system and method. The system comprises a multi-parameter recognizer, an acquisition system terminal, a standard device and a detected instrument. The multi-parameter identifier and the acquisition system terminal are wirelessly networked; the multi-parameter identifier is connected with the standard device and the detected instrument; the multi-parameter recognizer is used for automatically acquiring verification or calibration process information; the multi-parameter recognizer comprises a central controller MCU and a circuit module. The circuit module is used for data acquisition, and the central controller MCU is used for processing the acquired data. The multi-parameter identifier and the acquisition system terminal are wirelessly networked, and the multi-parameter identifier is in wired connection with the etalon and the detected instrument, so that the calibration or calibration process information is automatically obtained, the complexity of manual acquisition of the calibration or calibration process information is reduced, and bias errors in the data circulation process are avoided.