48results about How to "Conducive to on-site promotion and application" patented technology

The invention discloses a method for improving the recovery ratio of indigenous microbial enhanced oil recovery. The method comprises the following steps: acquiring a fluid sample on a target reservoir site; analyzing an indigenous microbial community structure; determining an indigenous activator and the injection quantity thereof; selecting an on-site injection process of the indigenous activator; evaluating a physical analog enhanced oil recovery; performing on-site tests, and tracking and analyzing of on-site test effects. The method is reasonable, simple in process, easy to operate, safe and reliable, beneficial to on-site popularization and application, and low in investment and cost, greatly improves the on-site test effect, improves the recovery ratio of more than 12% during indigenous microbial enhanced oil recovery on-site tests, and thus can be widely applied to on-site tests for improving the recovery ratio of indigenous microbial enhanced oil recovery.

The invention provides a mounting method and device with acoustic emission sensor recycling capacity. The method comprises the following steps: a, an acoustic emission sensor is fixed in a cavity of a recovery device by a fixing claw; b, the recovery device is mounted in a drill hole, and the front end of a waveguide rod arranged in the recovery device extends deeply into a coal-rock mass body in front of the hole bottom; and c, after monitoring, the sensor is taken out from the rear end of the cavity of the recovery device, and sensor recovery is finished. The specially designed acoustic emission sensor recovery device is used for fixing the sensor in the wall of the drill hole of the mine coal-rock mass body, the mounting method and device are applied to inside of drill holes with any angles in the coal-rock mass bodies with different hardness, can effectively solve the problems that the sensor is difficult to mount and is not mounted in place in depth due to hole collapse and the problems about recycling and the like, and has the advantages that the reliability is high, the signal monitoring precision is increased, noise interference is isolated, mounting is convenient and fast, the sensor can be recycled and the like; and further, the operation difficulty and economic cost are reduced, the mounting efficiency is increased, a better application effect is obtained, and field popularization and application are facilitated.

The invention belongs to the technical field of tertiary oil production, and particularly relates to a heavy oil well single-well throughput oil production method. The method concretely comprises the following steps of test oil well screening, single-well throughput process selection, and field test. The single-well throughput process is selected by aiming at the characteristics of a heavy oil well; and the oil-water mobility ratio is well reduced, so that the single-well yield of the heavy oil well can be effectively improved. Meanwhile, the heavy oil well single-well throughput oil production method has the characteristics of simple process, high operability and long validity period. Therefore the method can be widely applied to the field test for improving the single-well yield of the heavy oil well.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a thick oil well composite huff-puff method for increasing single well yield. The method specifically comprises the following steps: screening a test oil well, selecting a single well huff-puff technology, and carrying out test in the field. The thick oil well composite huff-puff method selects the single well huff-puff technology according to the characteristics of the thick oil well to reduce the oil-water mobility ratio well, thereby improving the single well yield of the thick oil well effectively; meanwhile, the thick oil well composite huff-puff method has the characteristics of being simple in technology, strong in operation capability and long in period of validity. Therefore, the method can be widely applied to the field test for increasing the single well yield of the thick oil well.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a method for increasing the crude oil recovery rate through indigenous microbial drive. The method specifically comprises the following steps that oil reservoirs are screened; high-permeability oil layers, middle-permeability oil layers and low-permeability oil layers are determined; activating agent systems are determined; field injection processes are determined; and field tests are conducted. Different activating agent systems and field injection processes are selected according to the oil layers with different permeability of the target oil reservoirs, indigenous microorganisms of different oil layers are well activated, and therefore the field test effect of the indigenous microbial drive oil reservoirs can be effectively improved. Meanwhile, the method has the characteristics of being simple in process and high in pertinence and operability. Accordingly, the method can be widely applied to the technical field of microbial enhanced oil recovery.

The invention belongs to the technical field of oil and gas field development and particularly relates to an oil well water plugging method adopting an emulsifying agent generated by activating oil reservoir microorganisms. The oil well water plugging method specifically comprises the following steps of screening of a test oil well, preliminary screening of an activating agent, determining of the activating agent, determining of the water plugging radius, determining of the injection rate of the activating agent and conducting of a field test and evaluating of a field test result. The oil well water plugging method adopting the emulsifying agent generated by activating the oil reservoir microorganisms has the characteristics of being simple in technology and high in pertinence and operability, and field application and popularization are facilitated; the validity period of the field test is long, the oil increasing effect is good, the input-output ratio is high, the validity period is longer than 12 months, the average daily oil increasing amount of a single well is larger than 5 t, and the input-output ratio is larger than 1:5. Thus, the oil well water plugging method adopting the emulsifying agent generated by activating the oil reservoir microorganisms can be widely applied to an oil well water plugging technology.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a method for improving the yield of a low-permeability heavy oil well. Specifically, the method comprises the following steps of screening of the oil well, fracture of the oil well, single-well throughput treatment of the oil well, and treatment of a shaft of the oil well. The method has the characteristics of being simple in process and high in operability, and is beneficial for field application and popularization. The method is high in pertinence, a series of technical measures can be selected in a targeted mode according to the characteristics of the low-permeability heavy oil well, accordingly, the yield of the oil well can be greatly improved, the period of validity of the oil well can be greatly prolonged, the oil increase amount of the single well is higher than 1000 tons, the period of validity is longer than 3 years, and the input-output ratio is 1:5. Thus, the method can be widely applied to field tests for yield improvement of the low-permeability heavy oil well.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a yield increase method for a low-permeability wax-bearing oil well.The method specifically includes the following steps of oil well screening, oil well fracturing, single-well huff and puff processing of the oil well, oil well shaft processing and the field test effect evaluation stage.The method has the advantages of being simple in process and high in operability and is beneficial to field application and popularization.The method is high in pertinence, serial process measures are selected in a targeted mode according to the characteristics of the low-permeability wax-bearing oil well, and therefore the yield and validity period of the oil well can be substantially increased, the single-well oil increment is larger than 500 t, the validity period is longer than 3 years, and the input-output ratio is larger than 1:5.Therefore, the method can be widely applied to field tests of yield increase of the low-permeability wax-bearing oil well.

The invention belongs to the technical field of tertiary oil recovery, and specifically relates to a method for microbial single well treatment of heavy oil wells. The method specifically includes the following steps: screening of heavy oil wells; single well huff and puff treatment of heavy oil wells; Evaluation. According to the characteristics of heavy oil wells, the present invention selects the comprehensive process of huff and puff and wellbore treatment, which can significantly reduce the oil-water mobility ratio in the oil layer of heavy oil wells and significantly improve the flow performance of wellbore crude oil, thereby greatly increasing the production of heavy oil wells; at the same time, the invention It has the characteristics of simple process, strong operability, long validity period and high input-output ratio. Therefore, the present invention can be widely applied in the field test of increasing single well production of heavy oil wells.

The invention discloses a prefabricated type moulding bed and a construction method thereof, and relates to the technical field of building construction. The prefabricated type moulding bed comprisesa bearing table moulding bed and a beam moulding bed in the bearing table moulding bed; the bearing table moulding bed comprises a set of bearing table templates; first joints are arranged at one endsof the bearing table templates; second joints are arranged at the other ends of the bearing table templates; the adjacent bearing table templates define a closed pouring space through cooperation ofthe first joints and the second joints; a pouring connection opening is formed in the middle of each bearing table template; the first joints are symmetrically arranged on two sides of each pouring connection opening; the beam moulding bed comprises a pair of beam templates; and second joints are arranged at the two ends of the beam templates. The prefabricated type moulding bed and the construction method thereof have the beneficial effects that factory prefabrication is achieved and promotes the building industrial development advantageously, the process is simple, the construction progressis accelerated advantageously, and mechanical production ensures the project quality advantageously.

The invention belongs to the technical field of tertiary oil production, and particularly relates to a heavy oil well single-well throughput yield increase method. The method concretely comprises the following steps of test oil well screening, single-well throughput process selection and field test. The single-well throughput process is selected by aiming at the characteristics of a heavy oil well; and the oil-water mobility ratio is well reduced, so that the single-well yield of the heavy oil well can be effectively improved. Meanwhile, the heavy oil well single-well throughput yield increase method has the characteristics of simple process, high operability and long validity period. Therefore the method can be widely applied to the field test for improving the single-well yield of the heavy oil well.

The invention belongs to the technical field of tertiary oil recovery and particularly relates to a method for improving the oil recovery efficiency of medium and high-permeability reservoirs. The method specifically comprises the following steps of screening of oil reservoirs, determination of a polymer injection well and a surfactant injection well in a target oil reservoir, the polymer injection stage, the surfactant injection stage, the normal water injection stage and the field test effect evaluation stage. The method has the characteristics that the investment cost is low and the oil recovery efficiency is improved greatly through field tests. The field tests improve the oil recovery efficiency by more than 15%. The input-output ratio is greater than 1:5. The method has the characteristics of being simple in process and high in pertinence and operability. Thus, the method can be widely applied to the field tests for improving the oil recovery efficiency of the medium and high-permeability reservoirs.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a composite huff-puff oil production method for a high-temperature high-salinity high-wax-content oil well. The method specifically comprises the following steps of screening of the tested oil well, selection of a single well huff-puff process, and field test. The method has the characteristics of being simple in process, pertinent and long in validity period; and meanwhile, the method can effectively control wax deposition of the high-temperature high-salinity oil well and has the oil production increasing effect. Accordingly, the method can be widely applied to wax removal and prevention and single well stimulation processes of wax-containing oil wells.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a technology for increasing yield of a low-permeability heavy oil well. The technology specifically comprises the following steps: screening the oil well; fracturing the oil well; treating single well huff and puff of the oil well; and treating a shaft of the oil well. The technology has the features of simplicity and high operability, and facilitates field popularization and application; and the technology is high in pertinency, a series of technology measures are selected in a targeted manner according to the features of the low-permeability heavy oil well, therefore, the yield of the oil well can be greatly improved, the period of validity of the oil well can be greatly prolonged, single well oil increment is greater than 1,000 t, the period of validity is longer than 3 years, and the input-output ratio is greater than 1:5. Therefore, the technology can be widely used in a field test for increasing the yield of the low-permeability heavy oil well.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a method for increasing the yield of middle and high permeability oil reservoirs. The method specifically comprises the following steps of screening of the oil reservoirs, determination of polymer injection wells and surfactant injection wells of the target oil reservoirs, the injection stage of polymer, the injection stage of a surfactant, the water normal injection stage and the field test effect evaluation stage. The method has the characteristics of being low in investment cost and high in field test recovery rate increase degree, the field test recovery rate is increased by 15% or more, and the input-output ratio is greater than 1:5. The method has the characteristics of being simple in process and high in pertinence and operability. Accordingly, the method can be widely applied to field tests for increasing the yield of the middle and high permeability oil reservoirs.

The invention discloses a clamp for template reinforcing and relates to the technical field of building template fixing. The clamp comprises a fixing screw, detachable through-wall bolts connected with the two ends of the fixing screw, and a clamp device arranged on the detachable through-wall bolts. The clamp device comprises a clamp shell, a fixing shaft arranged on the clamp shell, and a trigger arranged on the fixing shaft in a matched mode. A pressing spring is arranged on the clamp shell, one end of the pressing spring is connected with the clamp shell, and the other end of the pressingspring is fixedly connected with the trigger. A clamping groove is formed in one side of the clamp shell, and bolt mounting holes are formed in the middle of the clamp shell. The detachable through-wall bolts are arranged in the bolt mounting holes in a penetrating mode to be matched with the trigger, and a backing stopping self-locking structure is constituted. The clamp has the beneficial effects that operation is convenient, the construction schedule is accelerated advantageously, connecting is tight, and the engineering quality is guaranteed advantageously.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a huff-puff stimulation method for a single high-temperature high-salinity high-wax-content oil well. The method specifically comprises the following steps of screening of the tested oil well, selection of a single well huff-puff process, and field test. The method has the characteristics of being simple in process, pertinent and long in validity period; and meanwhile, the method can effectively control wax deposition of the high-temperature high-salinity oil well and has the oil production increasing effect. Accordingly, the method can be widely applied to wax removal and prevention and single well stimulation processes of wax-containing oil wells.

The invention relates to a lamellar nanoparticle enhanced high-temperature-resistant high-strength foam system which is composed of the following components in parts by weight: 0.1-6 parts of a high-temperature foaming agent, 0.05-3 parts of flake nanoparticles; 0.01-3 parts of an interface regulator and the balance of water, wherein the total part of the components by weight is 100. The inventionfurther relates to a preparation method of the high-temperature-resistant high-strength foam system.

A bus protection method for CTs connected at two sides of a bus-tie switch comprises a protection device for more than two sections of buses. The protection device acquires all bus voltages, all branch current and knife switch positions on a bus and CT current and switch positions at the two sides of the bus-tie switch; the protection device automatically calculates bus protection three-phase voltage, large-difference current and small-difference current of each section of bus, calculates bus tie interval differential current of the bus-tie switch itself and current of the CTs at two sides ofthe bus tie, judges whether the bus tie CTs have a line-breaking fault or not and selects a faulty bus or a bus to trip when fault occurs; and meanwhile, a bus tie interval differential protection logic is newly added, the difference current of CTs at the two sides of the bus-tie switch and the current magnitude of the CTs at the two sides of the bus-tie switch are calculated, and the bus-tie switch or the bus is selected to trip according to the bus voltage opening condition, the bus-tie switch difference current and the current magnitude at the two sides. The method is simple and reliable, and improves quickness and accuracy of protection and cutting during bus dead zone fault.

The invention belongs to the technical field of oil and gas field development and particularly relates to an oil well water plugging method adopting an emulsifying agent generated by activating oil reservoir microorganisms. The oil well water plugging method specifically comprises the following steps of screening of a test oil well, preliminary screening of an activating agent, determining of the activating agent, determining of the water plugging radius, determining of the injection rate of the activating agent and conducting of a field test and evaluating of a field test result. The oil well water plugging method adopting the emulsifying agent generated by activating the oil reservoir microorganisms has the characteristics of being simple in technology and high in pertinence and operability, and field application and popularization are facilitated; the validity period of the field test is long, the oil increasing effect is good, the input-output ratio is high, the validity period is longer than 12 months, the average daily oil increasing amount of a single well is larger than 5 t, and the input-output ratio is larger than 1:5. Thus, the oil well water plugging method adopting the emulsifying agent generated by activating the oil reservoir microorganisms can be widely applied to an oil well water plugging technology.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to an indigenous microbial oil recovery method for low-permeability oil reservoir. The indigenous microbial oil recovery method comprises the following steps that a test oil reservoir is screened; activators are screened, and the screened activators comprise the activator producing biopolymer functionalbacteria and the activator producing biosurfactant functional bacteria; the injecting mode of the activators are determined; the field test is conducted, and the field test comprises the injecting stage of the activator producing the biopolymer functional bacteria, the injecting stage of the activator producing the biosurfactant functional bacteria and the normal water injecting stage; and the field test effect is evaluated. According to the indigenous microbial oil recovery method for the low-permeability oil reservoir, the using amount of the injection agents can be effectively saved, and the field test effect can be greatly improved; and meanwhile, the indigenous microbial oil recovery method has the characteristics of simple process and high pertinence and maneuverability, thereof, the indigenous microbial oil recovery method can be widely applied to the field test of enhancing oil recovery of the low-permeability oil reservoir.

The invention belongs to the technical field of oil field development, and particularly relates to a method for improving the recovery ratio of a high pour point oil reservoir. The method specificallyincludes the following steps that test reservoirs are screened; a chemical pour point depressant is screened; an activating agent is screened; the chemical pour point depressant and the activating agent are compounded to form a compounding system; the compatibility of the compounding system is evaluated; the injection volume of the compounding system is optimized; and field testing and evaluationof effects are performed. The method effectively combines the chemical pour point depression with microbial pour point depression, and has the advantages of low cost, the quick effect, the long validity period, the high input-output ratio and the good pour point depression effect, the input-output ratio is greater than 1:10, the recovery ratio is increased by 15% or above through the field test,and therefore, the method can be widely used in a production process of the high pour point oil reservoir.

The invention discloses a drawing adjustable toilet concrete flanging steel die. The drawing adjustable toilet concrete flanging steel die comprises outer adjustable channel steel, inner drawing adjustable channel steel and a channel steel fixing base, wherein the inner drawing adjustable channel steel comprises fixed main channel steel, drawing adjustable channel steel and turnover outer wrappingchannel steel; the drawing adjustable channel steel is arranged in a groove of the fixed main channel steel in a sliding fit manner; and the turnover outer wrapping channel steel is movably arrangedon the drawing adjustable channel steel and used for seamless and flat splicing of the drawing adjustable channel steel face and the fixed main channel steel face. The drawing adjustable toilet concrete flanging steel die has the beneficial effects that component prefabrication production is adopted as the production manner, design standardization and component components are adopted as the characteristics, and the steel die manufacturing safety and reliability are achieved.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a method for increasing the crude oil recovery rate through indigenous microbial drive. The method specifically comprises the following steps that oil reservoirs are screened; high-permeability oil layers, middle-permeability oil layers and low-permeability oil layers are determined; activating agent systems are determined; field injection processes are determined; and field tests are conducted. Different activating agent systems and field injection processes are selected according to the oil layers with different permeability of the target oil reservoirs, indigenous microorganisms of different oil layers are well activated, and therefore the field test effect of the indigenous microbial drive oil reservoirs can be effectively improved. Meanwhile, the method has the characteristics of being simple in process and high in pertinence and operability. Accordingly, the method can be widely applied to the technical field of microbial enhanced oil recovery.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a method for increasing individual-well producing rates of low-permeability wax-bearing oil wells.The method particularly includes steps of screening the oil wells; fracturing the oil wells; processing individual-well huff and puff of the oil wells; processing shafts of the oil wells; carrying out field test result evaluation phases.The method has the advantages of simple technologies and high operability, and is favorable for field popularization and application.Besides, the method is high in pertinence, serial technological measures are pertinently selected according to characteristics of the low-permeability wax-bearing oil wells, accordingly, the producing rates of the oil wells can be greatly increased, the valid periods of the oil wells can be greatly prolonged, the individual-well oil increment is higher than 500 t, the valid periods are longer than 3 years, and the input-output ratios are higher than 1:5.In addition, the method can be widely applied to field tests for increasing individual-well producing rates of low-permeability wax-bearing oil wells.

The invention belongs to the technical field of tertiary oil production, and particularly relates to a heavy oil well single-well throughput yield increase method. The method concretely comprises the following steps of test oil well screening, single-well throughput process selection and field test. The single-well throughput process is selected by aiming at the characteristics of a heavy oil well; and the oil-water mobility ratio is well reduced, so that the single-well yield of the heavy oil well can be effectively improved. Meanwhile, the heavy oil well single-well throughput yield increase method has the characteristics of simple process, high operability and long validity period. Therefore the method can be widely applied to the field test for improving the single-well yield of the heavy oil well.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a technology for increasing yield of a low-permeability heavy oil well. The technology specifically comprises the following steps: screening the oil well; fracturing the oil well; treating single well huff and puff of the oil well; and treating a shaft of the oil well. The technology has the features of simplicity and high operability, and facilitates field popularization and application; and the technology is high in pertinency, a series of technology measures are selected in a targeted manner according to the features of the low-permeability heavy oil well, therefore, the yield of the oil well can be greatly improved, the period of validity of the oil well can be greatly prolonged, single well oil increment is greater than 1,000 t, the period of validity is longer than 3 years, and the input-output ratio is greater than 1:5. Therefore, the technology can be widely used in a field test for increasing the yield of the low-permeability heavy oil well.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to an indigenous microorganism oil recovery method of a medium to high permeable oil reservoir. The indigenous microorganism oil recovery method specifically comprises the following steps that an oil reservoir is screened; indigenous microorganisms are analyzed; an activating agent is screened; a fieldinjection technology is optimized; and a field test is conducted and the effect is evaluated. The indigenous microorganism oil recovery method has the advantages that the technology is simple, the pertinence and the maneuverability are high, the mining cost is low, and subsequent treatment is not needed, and field application and promotion are facilitated; meanwhile, different injection technologies are adopted aiming at the difference of the oil layer penetration rates, the using amount of the injection agents can be effectively saved, meanwhile the use ratio of injected water is increased, the water driving wave and the volume are expanded, so that the development effect of water driving is improved, the field test enhanced oil recovery is larger than 15%, and the input-output ratio is larger than 1:5. Thus, the indigenous microorganism oil recovery method can be widely applied to the technical field of microorganism oil recovery.

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a thick oil well composite huff-puff method for increasing single well yield. The method specifically comprises the following steps: screening a test oil well, selecting a single well huff-puff technology, and carrying out test in the field. The thick oil well composite huff-puff method selects the single well huff-puff technology according to the characteristics of the thick oil well to reduce the oil-water mobility ratio well, thereby improving the single well yield of the thick oil well effectively; meanwhile, the thick oil well composite huff-puff method has the characteristics of being simple in technology, strong in operation capability and long in period of validity. Therefore, the method can be widely applied to the field test for increasing the single well yield of the thick oil well.