9 results about "Sour gas" patented technology

The utility model relates to the field of oil and gas exploitation, in particular to a blowout pool for a sulfur-containing gas well, which comprises a combustion cylinder, an ignition system and a spraying system. And the combustion cylinder is arranged in the blowout pool body and is communicated with the tail end of the blowout pipeline. The ignition system comprises a spark plug, and the spark plug is located above the combustion cylinder. The spraying system comprises a spraying pipe, the spraying pipe is located above the open flow pool body, the spraying pipe is used for spraying alkaline liquid, and the spraying range of the spraying pipe can cover the whole open flow pool body. The spraying system capable of spraying the alkaline liquid is arranged above the blowout pool body, so that the alkaline liquid and hydrogen sulfide gas leaked from the combustion cylinder are subjected to neutralization reaction, and leakage and diffusion of the hydrogen sulfide gas can be effectively reduced.

A method for preparing a gas sweetening system for less shutdown time is provided. The method includes stopping a sour gas feed to a gas sweetening system, and raising the set point for a temperature of a lean amine cooler to about 150° F. The H2S concentration in a lean amine is monitored. The preparation of the gas sweetening system for maintenance is completed when the H2S concentration reaches a target value.

The utility model relates to the reaction equipment of resource utilization to sour gas, specifically square reactor, reactor square casing inside is divided into process gas heating area and process gas reaction area in proper order from below to top, and the upper of reactor square casing is process gas reheating area, and the reactor square casing of process gas heating area is equipped with process gas inlet connector, and the heat exchanger is located process gas inlet connector top, and the heat exchanger is by the multilayer of from below to top setting, and each layer is at least one, the reactor square casing of process gas reaction area is installed with catalyst support frame, and the catalyst support frame is placed with catalyst, and process gas reheating area is equipped with combustion furnace and expansion joint, and the lower part of combustion furnace is connected with reactor square casing, and the top of combustion furnace is connected with expansion joint. The utility model improves the overall processing capacity of equipment, reduces equipment land occupation while expanding device scale.

A method of scavenging hydrogen sulfide from a sour gas well includes injecting a nanoemulsion through a borehole into a subterranean geological formation including a gaseous hydrocarbon composition including hydrogen sulfide. The nanoemulsion includes a mineral oil, water, a surfactant, and an additive. The water is a continuous phase of the nanoemulsion. The surfactant is selected from a group consisting of a sodium dodecylbenzenesulfonate, a cetyltrimethylammonium bromide, and a nonionic polyoxyethylene detergent. The additive is selected from a group consisting of a silver salt and a copper salt. The method includes circulating the nanoemulsion in the borehole in the subterranean geological formation to contact the nanoemulsion with the hydrocarbon composition and reacting the nanoemulsion with the hydrogen sulfide in the gaseous hydrocarbon composition to form a production gas including less than 5 parts per million (ppm) of hydrogen sulfide.

The utility model discloses a gas chromatograph for acid gas analysis. The gas chromatograph comprises a sample introduction system, a separation system and a thermal conductivity detector, the sample introduction system and the thermal conductivity detector are connected to the separation system; the separation system comprises a first separation system and a second separation system which are arranged in parallel; a ten-way valve is arranged in each of the first separation system and the second separation system; the ten-way valve of the first separation system is connected with the ten-way valve of the second separation system through a pipeline, the ten-way valve of one separation system is connected with a sample injection system, and the ten-way valve of the other separation system is connected with an external recovery system; and the first separation system and the second separation system are respectively connected with a thermal conductivity detector. According to the gas chromatograph, the analysis of H2, O2, N2, CH4, CO, CO2, H2S, COS and SO2 in the acid gas can be completed within 10 minutes through one-time sample injection, the situation that the analysis result is inaccurate due to system errors caused by multiple times of sample injection is avoided, the time for an operator to make contact with a sample is shortened, and occupational health safety is effectively provided.

The invention relates to the technical field of data analysis, and discloses a shaft and pipe network production allocation risk assessment system for a sulfur-containing gas reservoir, and the system comprises an integrated model which comprises a gas reservoir model, a shaft model and a pipe network model; the configuration module is used for configuring configuration parameters of the integrated model and inputting simulated production allocation value parameters of each production node; a storage module; the extraction module is used for extracting the production allocation result of the integrated model stored in the storage module; the early warning judgment module is used for comparing the production allocation result with configuration parameters so as to judge whether early warning is carried out or not; the sulfur deposition judgment module is used for calculating the sulfur solubility according to the production allocation result and comparing the sulfur solubility with the actual sulfur content so as to judge whether to give an early warning or not; and the display module is used for displaying the configuration result and the judgment results of the early warning judgment module and the sulfur deposition judgment module. The safety and feasibility of the production allocation scheme can be improved.

The application discloses a phase change absorbent for selectively removing hydrogen sulfide and a preparation method and application thereof. The phase change absorbent comprises the following components in mass fraction: 20-45% of a cyclic amide tertiary amine; 20-50% of a hydrogen bond reformation phase separation promoter; and the balance of water. The cyclic amide tertiary amine contains a tertiary amine nitrogen atom for acid-base reaction with H2S and an amide group as a hydrogen bond acceptor in a molecular structure, and is used for high-selectivity reaction with H2S. The hydrogen bond reformation phase separation promoter is a polyhydric alcohol containing two or more hydroxyl groups, and can induce liquid-liquid phase separation of the absorbent after absorbing H2S, so as to form a rich phase rich in H2S and a lean phase with less H2S content, and then the separation of the rich phase and the lean phase can be realized through simple gravity or centrifugation. The phase change absorbent has the advantages of high H2S absorption selectivity, low regeneration energy consumption, simple preparation method and low operation cost, and is particularly suitable for fine desulfurization of complex sour gas such as refinery dry gas.

The utility model relates to a recovery device especially relates to a hydrogenation device sulfur-containing dry gas recovery device. The utility model provides such a hydrogenation device sulfur-containing dry gas recovery device, including installation frame, gravity settling tank, cyclone separator, feed pipe etc. ; The gravity settling tank and cyclone separator are equipped in the installation frame, the gravity settling tank right side is equipped with the feed pipe, the gravity settling tank top has opened the first gas outlet, the gravity settling tank bottom is equipped with the connecting pipe, the one end of connecting pipe far away from the gravity settling tank is connected with water pump, water pump water delivery end is connected in cyclone separator rear side top. The utility model gravity settling tank separates big granule droplet preferentially, and cyclone separator further captures tiny droplet, and double effect significantly promotes the liquid efficiency of removing, satisfies the processing demand of large -scale, high water content sulfur-containing dry gas.

Without any restriction on the maximum hardness of the surface layer, provided is a high strength steel plate for sour gas apparatuses having, excellent SSCC resistance in an environment equivalent to ISO-15156 Region 2 where pH is 3.5 or more and the H2S partial pressure is 0.003 bar to 1 bar. The high strength steel plate for sour gas apparatuses having a chemical composition containing, in mass%, specified amounts of C, Si, Mn, P, S, N, Al, and Ca, Ni of 0.10 % to 4.00 %, and at least one selected from the group consisting of Cr, Mo, W, and Nb in a specified amount, with the balance being Fe and inevitable impurities, in which a ratio HVmin / HVmax of the minimum value HVmin to the maximum value HVmax of Vickers hardness HV0.1 at 0.25 mm below a surface of the steel plate is 0.77 or more.