158 results about "Petroleum production" patented technology

The invention provides a method for calculating a pump indicator diagram based on a ground indicator diagram of a physical information neural network, and relates to the technical field of petroleum production. The method comprises the following steps: firstly, processing displacement data and load data at a suspension point of a rod-pumped well, and setting a displacement function and a load function at the suspension point as boundary conditions of a one-dimensional wave equation with damping for describing the fluctuation of a sucker rod string; converting the dimensioned one-dimensional wave equation with damping into a dimensionless one-dimensional wave equation with damping; then determining the structure of a physical information neural network model, constructing a physical constraint according to a dimensionless one-dimensional wave equation with damping, and determining a total loss function of the physical information neural network model; and finally, training the physical information neural network model to obtain model parameters of the physical information neural network, outputting the displacement and the load at the plunger of the oil well pump by the trained physical information neural network model, and generating a pump indicator diagram after variable replacement.

Embodiments herein generally relate to a method and system for oil recovery using solvent-assisted electric heating. In at least one example, the method comprises A method for oil production using solvent-assisted electric heating, comprising conveying liquid solvent into a subsurface formation; operating at least one downhole electric heater to vaporize the solvent in-situ, the at least one downhole electric heater being operated in a temperature range that is: (i) above the vaporization temperature of the solvent; and (ii) below the steam saturation temperature of the reservoir; conveying a mixture comprising oil and solvent from the subsurface formation to a separation subsystem; and separating, using the separation subsystem, the oil from the solvent.

The invention relates to the technical field of simulation model construction, in particular to a construction method and system of a petroleum production simulation model. The method comprises the following steps: acquiring a real-time petroleum production process monitoring video and operation state parameters of production equipment; performing coding standardization processing on the operation state parameters of the production equipment, and constructing a state evolution feature library of the production equipment; detail sharpening filtering optimization is carried out on the real-time petroleum production process monitoring video, so that the production monitoring video is subjected to detail optimization; performing process behavior characteristic analysis on the detail optimization production monitoring video one by one, and constructing a production action dynamic behavior sequence; and performing action logic dependency analysis on the production action dynamic behavior sequence to generate production action logic dependency data. According to the method, the production simulation model is constructed through dynamic and accurate petroleum production behavior simulation, so that the visualization of the petroleum production process is realized, and decision support is provided for improving the production efficiency.

The invention provides a petroleum production process technological parameter detection system, which comprises a data acquisition module for acquiring various technological parameters including but not limited to temperature, pressure, flow, concentration and vibration parameters in a petroleum production process by using a sensor; a data processing unit; a user terminal module; compared with the prior art, the optimization control module has the following beneficial effects that a multi-sensor data fusion technology is adopted, the problem that the monitoring precision of a single sensor is insufficient is solved, and more accurate real-time monitoring data is provided. Through the analysis and optimization functions of the intelligent data processing unit, automatic process control is supported, and production parameters can be automatically adjusted when abnormity occurs, so that the production efficiency and safety are improved, the system integrates the multi-dimensional data preprocessing, analysis, fusion and optimization functions, and an omnibearing process parameter monitoring closed loop is formed.

A gas injection valve in an oil production column which guarantees the gas lift operation, providing secure closure, with greater reliability in the safety conditions of the integrated sets of safety barriers, enabling sensors to be integrated for monitoring the status of the gas lift valve.

The subject invention provides microbe-based products, as well as their use to improve oil production and oil transmission and refining by, for example, remediating the disposable layers in oil tanks and other oil storage units. The subject invention can be used to remediate a sludge layer and / or other dissolved solid layers that form in oil storage tanks. Advantageously, the subject invention can decrease the cost of mechanical remediation of disposable layers, and aid in the recovery of more pure hydrocarbons from crude fluids.

The utility model discloses a waste gas spraying device for petroleum production, which relates to the technical field of waste gas treatment equipment and comprises a spraying tower body, a gas inlet pipe is mounted on the side surface of the spraying tower body, an exhaust pipe is mounted at the top of the spraying tower body, and a spraying component is mounted in the spraying tower body; the spraying assembly comprises an installation frame rotationally connected to the inner wall of the spraying tower body, a spraying head is installed at the bottom of the installation frame, a rack is installed on the installation frame, a connecting rod is inserted into the inner wall of the spraying tower body in a penetrating mode and rotationally connected with the spraying tower body, a gear meshed with the rack is installed at one end of the connecting rod, and the other end of the connecting rod is connected with the spraying tower body. A motor for driving the connecting rod to rotate is mounted on the outer wall of the spray tower body, the mounting frame rotates in the spray tower body, and the mounting frame can drive the positions of the multiple spray heads to change in the horizontal rotating process, so that the problem of non-uniform spraying or incomplete coverage in the water spraying process can be avoided.

The present invention provides methods of increasing oil production, hydraulic fracturing, and carbon sequestration in subterranean formations. Surface treatment compositions used in these methods are also disclosed. The methods comprise: (1) injecting into the well the surface treatment composition with or without a pretreatment; (2) allowing one or more components of the surface treatment composition to chemically bond to a surface of the subterranean formation; and (3) removing oil from the well or from one or more production wells that are in fluid communication with the well. The surface treatment composition comprises (a) a fluid comprising a hydrocarbon liquid, a supercritical fluid, and / or a liquefied gas; and (b) a surface modifying component. The component (b) comprises (i) an organometallic compound and (ii) an organosilane having halogen substituents. In carbon sequestration, the fluid (a) contains carbon dioxide.

The invention provides a pressure control casing head for a gas production wellhead device, and relates to the field of petroleum production, the pressure control casing head comprises a casing head body, a flange plate arranged on the casing head body, a gas outlet formed in the casing head body, and a boss arranged in the casing head body, the protective plug is in threaded connection with the casing head body, and the cleaning mechanism is arranged in the casing head body. The cleaning mechanism comprises a sliding cavity formed in the casing head body, in order to solve the problems that in the prior art, a casing head is tedious in operation and low in working efficiency, through the arranged cleaning mechanism, automatic cleaning of the boss is achieved, and the working efficiency is improved; the cleaning mechanism is arranged, so that the problem that the hanger is loosened or falls off due to external force in the prior art is solved; and through the arranged cleaning mechanism, the problem that in the prior art, the air tightness between the hanger and the casing head body is affected by the air lock phenomenon is solved.

The invention discloses a method for predicting the daily fluid production capacity of a single well by fusing an attention mechanism with injection and production well characteristics. The method comprises the steps that S1, data of all water injection wells and oil and gas wells of an injection and production unit are obtained according to well group division; s2, preprocessing production historical data of the water injection well and the oil-gas well, and obtaining a data set by adopting a sliding window mechanism; s3, an attention mechanism is fused with injection and production well characteristics to build a daily fluid production prediction neural network model, a training set and a verification set are obtained through cross validation, and a loss function is a mean square error of the actual daily fluid production capacity of the single oil and gas well and a neural network prediction value; and S4, inputting test set data into the trained prediction model to predict the daily fluid production capacity of a single well, and the like. The method comprehensively considers the influence of long-term and short-term water injection measures of the water injection well and the current state information of the oil and gas well, and can solve the problem of inaccurate production index prediction in the petroleum production process under the condition of lack of the reservoir numerical model, thereby helping the oil and gas field to carry out production scheduling, resource optimization and cost control.

A method of detecting an increase in gas content in a pipe. The method includes flowing fluid through the pipe. The method includes generating, by a network analyzer, microwaves data representing a complex scattering coefficient over a first spectrum of microwave frequencies that are emitted through a waveguide and a fluid within the pipe and determining a statistical profile of a complex scattering magnitude over a second spectrum of microwave frequencies. The method includes determining that an amount of gas within the pipe satisfies a threshold amount and causing a flow of fluids within the pipe to slow or stop until the amount of gas falls below a predetermined threshold value.

Presented herein is a facility design for oil production with zero methane emissions. The facility is flexible to allow variable flow rate requirements through the production cycle of the facility. Equipment is modular and easily movable, which reduces upfront construction cost, time to production revenue, the need for steel on facility, and other long-term material resource requirements. The design reduces emission of greenhouse gases, environmental impacts and landowner lease requirements.

The invention belongs to the technical field of compressed air energy storage, and discloses a compressed air energy storage system suitable for multiple well sites, the compressed air energy storage system comprises the well sites and a power station, the multiple well sites are connected in parallel through pipelines and connected with the power station, and the power station comprises an energy storage module and an energy release module; each well site comprises a gas storage module, an engine in the power station is connected with the energy storage module, and the engine provides electric energy for operation of the energy storage module; the energy storage module is connected with each air storage module in a plurality of well sites, and air compressed by the energy storage module is stored in the air storage module; the air storage module is connected with the energy release module, and air compressed in the air storage module acts through the energy release module to generate power for a generator in the power station. A plurality of well sites are connected through pipelines, the requirement for the capacity of an overground gas storage tank is further lowered, about 35-45 MWh of electric energy can be stored under the gas storage volume provided by a single well site corresponding to the gas storage pressure of 20 MPa, the storage space of compressed air is greatly increased through the arrangement mode of the multiple well sites, and the storage capacity of the compressed air is greatly improved. And a waste oil and gas well field after exploitation of a petroleum production enterprise is fully utilized.

The utility model discloses a pilot production platform and oil storage tank combined oil storage and output system which comprises an oil platform oil conveying pipeline installed on an oil platform and a temporary oil storage pipeline installed on the pilot production platform. The oil platform oil pipeline comprises a pipeline section group A, a pipeline section group B and a pipeline section group C which are connected in sequence; the A pipeline section set comprises at least one A pipeline section, the B pipeline section set comprises at least one B pipeline section, the C pipeline section set comprises at least one B pipeline section, and the temporary oil storage pipeline comprises an E pipeline section and a D pipeline section which are arranged on the inlet side and the outlet side of the temporary oil storage tank respectively. According to the utility model, the oil extraction, oil storage and output efficiency is improved, the production stop risk of an oil platform is reduced, and the device has typical offshore oil production guiding significance in oil fields of the same type, especially when the oil storage tank is overhauled or replaced.

A method of establishing a fluid connection in a subsea petroleum production system, the method comprising: positioning a first subsea fluid handling component (4,11-17,28) having a first connector (4a, 11a, 12a, 12b,29) adjacent a second subsea fluid handling component (4,11-17,28) having a second connector (4a, 11a, 12a, 12b,29), the first and / or second connectors (4a, 11a, 12a, 12b,29) having a breakable plug (20) sealingly arranged therein; operating an actuator to make up a connection between the first and second connectors (4a, 11a, 12a, 12b,29) while the breakable plug (20) is intact; shattering the plug (20) such as to open for fluid connection between the first and second subsea fluid handling components (4,11-17,28). There is also provided a subsea pipe (11,12,13) for arrangement on a sea floor (2) or on a subsea structure (4,14-17), having a breakable plug (20) sealingly arranged in an end connector (11a,12a, 12b) forming strengthened end parts of the pipe (11,12,13).

The invention provides a method of estimating an oil flow characteristic from a hydrocarbon reservoir to a production well with two or more influx zones or influx locations to a production flow. The well comprises at least one tracer source with distinct tracer in known levels of the production well. The method comprising producing fluid in the well from the reservoir and collecting at least one gas phase sample from the produced fluid. The method comprising analysing the at least one gas phase sample for the presence and / or concentration of the at least one tracer and based on the presence and / or concentration of the at least one tracer in the at least one sample estimating an oil flow characteristic.

The invention discloses a linkage type double-layer control underground intelligent device, and relates to the technical field of oil production well layered control devices, and the linkage type double-layer control underground intelligent device comprises a mechanical part and an electric control part; the mechanical part comprises an upper connector, an outer sleeve, a flow dividing body, an outer connector and an inner connector which are sequentially connected from top to bottom. An upper liquid inlet hole and a lower liquid inlet hole are horizontally formed in the flow divider, and a flow divider outer axial through hole is vertically formed in the flow divider; the lower liquid inlet hole is communicated with the space between the outer joint and the inner joint; a sealing pipe is installed between the upper connector and the flow dividing body in the outer sleeve, a vertical electric driving device is installed in the sealing pipe, the bottom end of the vertical electric driving device is connected with a piston, a piston lower axial blind hole with a downward opening is coaxially formed in the piston, and a piston liquid inlet through hole communicated with the piston lower axial blind hole is formed in the side wall of the piston in the radial direction. The single intelligent device can control the on-off states of the two production layers at the same time, production pipe columns can be simplified, and the construction cost is reduced.

The petroleum distribution sampler comprises a driving device, a support is fixedly connected to the position, close to the bottom end, of the outer side of the driving device, a telescopic rotating rod is fixedly connected to the bottom end of the driving device, a collecting mechanism is movably connected to the bottom end of the telescopic rotating rod, a circular opening is formed in the center of the middle of the support, and a sleeve penetrates through the opening; a fixing ring frame is fixedly connected to the outer side of the top end of the sleeve, an air supply device is arranged on the left side of the fixing ring frame and fixedly connected with the support, the collecting mechanism comprises a collecting drill pipe, and the inner side of the top end of the collecting drill pipe is movably connected with the bottom end of a telescopic rotating rod. The invention relates to the technical field of oil exploitation, and has the characteristics that the practicability is high, fluid and non-fluid samples can be classified, and the influence of cold climate is relatively small.

An offshore petroleum production system (100), the system (100) comprising: a subsea production well assembly (10), a riser (20) anchored at a first end part (20a) thereof to a sea floor (1), a tank assembly (30) fixed to a second end part (20b) of the riser (20), the tank assembly (30) being buoyant and supported vertically by the riser (20), wherein the tank assembly (30) comprises a storage tank (31) fluidly connected to the subsea production well assembly (10) and arranged to receive produced petroleum fluids from the subsea production well assembly (10).

Methods, systems and devices that utilize a mobile offshore drilling unit (MODU) with other integrated equipment, hereinafter a mobile offshore production unit (MOPU) or a traditional floating production unit (FPU) to produce oil and natural gas from an oil and gas containing subsea geological formation are described. When the MOPU / FPU consumes all produced natural gas in one or more processes onsite to produce products selected from power, liquid petroleum products, hydrogen gas, solid carbon, and combinations thereof, then the production unit is transformed into a Modular MOPU™. Some produced natural gas is used to generate electricity for normal facility operations and additional natural gas consumed to generate electricity for various 4th-phase processes or used as feedstock for the production of value added products in processing equipment such as pyrolysis units, and / or gas-to-liquids units. Maximizing consumption of produced natural gas onsite, optimizes oil production without flaring, and without any export pipelines.

The application discloses a strain of Acinetobacter, the strain name is C16ZT1, and simultaneously proposes a bacterial agent containing the different bacillus, and further uses the bacterial agent for treating petroleum pollution wastewater. The Acinetobacter can efficiently degrade the petroleum production wastewater containing chain alkanes, can still realize the degradation effect quickly and stably under the conditions of high concentration, high salt and extreme acid and alkali, and can degrade more than 95% of the petroleum production wastewater within 144 hours. In the application in sewage treatment, the strain has strong tolerance, can tolerate high-concentration alkanes, and has a wide adaptation range to salt concentration, pH and the like, and has a good application prospect.

The utility model relates to petroleum production equipment technical field especially discloses a kind of annular high-pressure manifold, including high-pressure discharge component, high-pressure discharge component is arranged at the both ends of fracturing pump and with fracturing pump forms annular pipeline closed loop, further including protection component, protection component is arranged at high-pressure discharge component side.The utility model is reduced by using annular manifold as a whole, the flow resistance of fracturing fluid in fracturing pump and manifold, with buffer, reduce energy loss, make pressure boost faster, balance the vibration brought by inside stroke of fracturing pump and have safe fire extinguishing function.

A system and a method for determining hydrocarbon production from multiple subterranean formations. Different nanotag tracers are sequentially injected into subterranean production zones fluidly coupled to a wellbore extending from a surface of the Earth through the subterranean production zones. The respective nanotag tracers are injected into a respective subterranean production zone. The different nanotag tracers and production fluids contained within the subterranean production zones are produced through the wellbore to the surface. A turbidity of the production fluids containing the different nanotag tracers is determined at the surface. A quantity of each of the one or more different nanotag tracers from each of the subterranean production zones in the production fluids is determined. Based on the turbidity of the production fluids and the quantity of the different nanotag tracers, a total oil production rate from the subterranean production zones is determined.

The invention relates to the technical field of valves, in particular to a novel anti-explosion flat safety valve which comprises a valve body assembly, a hydraulic driving mechanism, an indicating mechanism, a first manual driving mechanism and a second manual driving mechanism. The first manual driving mechanism comprises a first hand wheel, a first hand wheel rod, a first bearing box and a first thrust bearing. The second manual driving mechanism comprises a second hand wheel, a second hand wheel rod, a second bearing box, a second thrust bearing and a second reset spring. The first manual driving mechanism and the second manual driving mechanism are arranged, and it is ensured that when the hydraulic driving mechanism loses efficacy or the first reset spring loses elasticity, the valve can still be opened or closed in time through manual operation. By means of the design, the redundancy and the emergency processing capacity of the system are improved, and the safety of petroleum production is guaranteed.

The utility model discloses an oil-water separation device for oil exploitation, which comprises a separation box, a feeding pipe is arranged on the separation box, a mounting pipe and a mounting ring are hinged on the feeding pipe, a filter screen is arranged on the mounting ring, a connecting device is arranged between the feeding pipe and the mounting pipe, the connecting device comprises a connecting column, a connecting groove is arranged on the connecting column, and the connecting groove is communicated with the feeding pipe. A mounting pipe is arranged on the feeding pipe, a connecting column is arranged on the mounting pipe, a connecting rod is arranged on the mounting pipe, a connecting sleeve is arranged on the connecting column, a discharging rail is arranged in the separation box, a discharging block is arranged on the discharging rail, a discharging pipe is arranged on the discharging block, a first magnet is arranged on the discharging block, and a magnetic attraction handle is arranged on one side of the separation box. According to the oil-water separation device, impurities in oil-water mixed liquid can be conveniently filtered and removed, oil and water are separated through standing, oil is pumped out by adjusting the height of a discharging block and using a discharging pipe to be externally connected with an oil pump, water is discharged through the water outlet end of a separation box, oil-water separation is conveniently achieved, and the oil-water separation convenience and the separation effect are improved.

Device for fastening a pipe, in particular for pipelines in the area of ​​offshore and onshore oil production facilities, comprising two corresponding, essentially plastic, connectable, block-shaped clamp parts (1) which have recesses (11) which form a through-hole (10) in the assembled state, characterized in that at least one of the two clamp parts (1) is provided with an electrically conductive grounding conductor (2) which projects into the recess (11) and extends to the cover surface (15) opposite the recess (11).

The invention relates to the technical field of measuring devices, and provides an oil-water content measuring device and method for oil production logging, the oil-water content measuring device for oil production logging comprises a device shell, a control assembly is fixedly installed on the device shell, a first pipeline is fixedly installed in the device shell, and a second pipeline is fixedly installed in the device shell. The two ends of the first pipeline are both located outside the device shell, the first valve is fixedly installed on the first pipeline, the branch assembly is installed in the device shell, the moisture content measuring instrument is installed on the branch assembly, the mixing assembly is installed on the branch assembly, and the mixing assembly is installed on the water content measuring instrument. By means of the technical scheme, the problem that in the prior art, due to the fact that the flowing time of petroleum is long, the petroleum is separated from water, and the detection result is inaccurate is solved.

The present invention relates to a manifold system for oil production, comprising an SV line and a central multiphase metering module. This system comprises a crossover module (MXO), five umbilical termination modules (MTU), a hydraulic distribution and chemical injection unit (CDHIQ), four choke modules, service lines (SV), gas lift (GL) lines, oil production lines (PO), and a central multiphase metering module (MPFM). The present invention also relates to a method for commissioning the central multiphase metering module in this system, which involves steps, such as circulating diesel, performing leak tests using an ROV, and removal of the central module. The present invention further relates to a method for commissioning a choke module via a service line that involves the following steps and their respective sub-steps: injection and first circulation of diesel; second circulation of diesel; third circulation of diesel; circulation of water; and removal of choke module.

The utility model discloses a filtering device for petroleum production, which comprises an oil inlet pipe, the oil inlet pipe is a through pipe with a cylindrical structure, the end part of the oil inlet pipe is connected with a filtering groove, the filtering groove is a cavity shell with a rectangular structure, a filtering cylinder groove is arranged in the filtering groove, the filtering cylinder groove is arranged on the axis of the filtering groove, and the filtering cylinder groove is communicated with the filtering groove. A filter cartridge shell is assembled in the filter cartridge groove; the utility model relates to the technical field of petroleum filtering devices, in particular to a filtering device for petroleum production, which adopts a cylindrical barrel groove as a filtering space, utilizes a plurality of filtering sandbags on a filtering barrel shell to filter crude oil, is convenient to install, and is convenient to use by taking the filtering sandbags as main acting parts of the filtering device. And meanwhile, the filter cartridge shell can rotate in the filter cartridge groove, so that the sandbags at different positions can be uniformly utilized, the operation is convenient, and the cleaning is also convenient.

The utility model discloses a filtering and separating device for petroleum exploitation, which relates to the technical field of petroleum filtering and comprises an output pipeline, a mounting box is fixedly mounted at the top of the output pipeline, a back plate is fixedly mounted at the top of the mounting box, and a first rotating shaft is rotatably connected in the back plate. A gear is fixedly connected to the outer side of the first rotating shaft in a sleeving mode, a sliding groove is formed in the outer side of the back plate, and a sliding block is slidably connected to the interior of the sliding groove. After mixing is completed, an oil removing agent in the mounting box is conveyed into a second connecting pipe through an output pump, the oil removing agent is conveyed into a first connecting pipe through the second connecting pipe, the oil removing agent can be sprayed through a flow divider to clean a filter screen, therefore, cleaning work can be conducted without disassembling the filter screen, the disassembling time is saved, and the working efficiency is improved. And the practicability is improved.