951 results about "Sucker rod" patented technology

The invention relates to the technical field of sucker rods, and discloses a sucker rod centralizer which comprises a centralizing sleeve, a short section, compensation sleeves and an elastic sleeve, connecting rods are integrally formed at the tops and the bottoms of the two compensation sleeves correspondingly, and racks are integrally formed at one ends of the connecting rods; when two groups of semicircular compensation sleeves are close to each other and mounted between first limiting rings at two ends of a centralizing sleeve, connecting rods and racks at two ends of the compensation sleeves are close to a turntable at the top of a supporting plate, and after the two groups of compensation sleeves are fixed by extruding a pressure spring, the two groups of racks in the same plane can be in meshing transmission with a first gear ring; a first clamping plate at the top of the rotary table can expand or contract along an arc-shaped positioning groove under the cooperation of a positioning rod and a guide groove, so that sucker rods with different diameters penetrating through a centralizing sleeve can be clamped and positioned, and synchronous work of a compensation sleeve and a clamping mechanism at the top of a supporting plate is achieved; and the centralizer can be conveniently and quickly disassembled and assembled.

The invention relates to the technical field of petroleum and natural gas, in particular to a wellhead leakage alarm device, an early warning method and an intelligent wellhead leakage-proof system.The wellhead leakage alarm device comprises a leakage sensor, a reversible battery, a control unit and a storage box, and a sucker rod hole used for installing a sucker rod is formed in the upper end of the storage box. The device is reasonable and compact in structure, when the packing is punctured and leaked on site, produced liquid is sputtered to the sensing surface of the leakage sensor through a gap between a sucker rod and a packing gland, the leakage sensor sends a signal to the control unit, the control unit sends prompt information about the leakage phenomenon, an operator inspects a wellhead according to the prompt information, and the leakage phenomenon is avoided. The device is suitable for well mouth leakage under various working conditions, can meet the requirement for promoting intelligent oil field construction of an oil field, can early warn the risk of oil well mouth leakage in time, reduces the occurrence of well mouth pollution events, realizes unattended operation, provides technical support for green oil field development, and has good popularization and application prospects.

The derrick type continuous oil pipe integrated sidetrack drilling operation device is provided with a base, a derrick, an injection head installation support, an injection head, a lifting oil cylinder, a hydraulic clamp and a remote operation room, one side of the derrick is fully opened, the derrick and the base are both of a lightweight rigid structure, and the injection head is installed at the top of the derrick for remote control. After the base is arranged at a wellhead and is unfolded and installed, one side of the base is connected with the lifting oil cylinder, the other side of the base is in butt joint with the ramp and the pipe rack, the derrick is rapidly erected through the lifting oil cylinder, and after the injection head is hoisted to the top of the derrick, the injection head is rapidly installed and subjected to alignment adjustment through the injection head installation support and the adjusting structure. Meanwhile, the tool rod and the elevator are arranged at the injection head, the tool rod is pulled and placed through the injection head, an oil pipe column and a sucker rod can be independently lifted or lowered, the oil pipe column and the sucker rod are pushed into a ramp from one side of an opening of a derrick, integrated sidetrack drilling operation of the coiled tubing is achieved, and sidetrack drilling efficiency and operation safety of the coiled tubing are remarkably improved.

The invention discloses a production method of 900 MPa-grade high-strength sucker rod round steel based on rare earth microalloying, and belongs to the technical field of steel and iron material production. A proper amount of rare earth elements are added into the steel, and the purification, modification and alloying effects of the rare earth elements are utilized, so that the inclusion form and distribution of the steel are improved, grains are refined, and the strength, toughness and corrosion resistance of the steel are improved; meanwhile, by reasonably controlling production process parameters of smelting, continuous casting, rolling, heat treatment and the like, the structure uniformity and the mechanical property stability of the steel are ensured. Compared with a traditional production method, the 900 MPa-grade high-strength sucker rod round steel produced through the method has higher strength and better toughness and corrosion resistance, and the requirement of the oil exploitation industry for high-end sucker rod materials can be met.

The invention belongs to the technical field of oil and gas exploitation, and particularly discloses an under-pump immovable pipe column washing sand control screen pipe column, a well washing method and a device for oil and gas exploitation, the under-pump immovable pipe column washing sand control screen pipe column comprises at least one section of sand control screen pipe, and each section of sand control screen pipe comprises an upper connector, a lower connector and a lower connector; the central pipe is connected with the upper joint; the lower joint is connected with the central pipe; and the spring type filtering structure is arranged in the central pipe, and the spring type filtering structure is configured to filter part of stratum sand carried by output liquid entering the sand control screen pipe from the lower connector in the production process and deform under the pressure effect in the well washing process to remove the stratum sand blocking the spring type filtering structure. During well flushing, the sucker rod is lifted upwards, the plunger is lifted out of the pump cylinder, then flushing fluid is pumped into the oil sleeve annulus from the ground, the spring type filtering structure is lengthened under the pressure effect, the overflowing gap is enlarged, blockages are backwashed out of the ground, and the sand control screen does not need to be pulled out of the ground.

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.

Methods and systems are provided for monitoring the operation of a sucker rod pump (SRP), which involves a workflow that processes surface operational data and downhole operational data related to the operation of the SRP. The surface operational data is derived from real-time measurements performed by surface-located sensors, while the downhole operational data is derived from real-time measurements performed by downhole sensors. The surface operational data is processed to generate input data for supply to a first machine learning model (e.g., Surface Data Classifier) and the downhole operational data is processed to generate input data for supply to a second machine learning model (e.g., Downhole Data Classifier). The output of at least one of the first and second machine learning models is used to characterize an operational condition or status of the SRP.

The utility model discloses a sucker rod detection device with a straightening function, which comprises a base, the top of the base is fixedly connected with two U-shaped blocks, a support roller is rotatably connected between the front inner wall and the rear inner wall of each U-shaped block, the front side of the U-shaped block on the right side is fixedly provided with a driving motor, and the rear side of the U-shaped block on the right side is fixedly provided with a straightening device. An output shaft of the driving motor is fixedly connected with the front end of the supporting roller on the right side, and the same sucker rod is movably contacted with the middles of the tops of the two supporting rollers. By arranging a series of structures, the bending detection of the sucker rod is facilitated, the sucker rod is conveniently driven to rotate, and the sucker rod is conveniently pressed and compressed at the upper part in a pressure-controlled manner, so that the bending convex part of the sucker rod is downwards pressed to be straight, and the purpose of automatically extruding and straightening the sucker rod in a pressure-controlled manner is achieved; and other independent straightening equipment does not need to be taken out for straightening work, so that the moving time is saved, time and labor are saved, the integration and the use convenience are improved, and the working efficiency is improved.

The sucker rod wellhead polish rod sealing structure comprises a sealing box arranged on a sucker rod wellhead polish rod in a sleeving mode, the upper end and the lower end of the sealing box are open, the lower end of the sealing box is fixed to the upper end of a wellhead pipe, a gland is arranged at the upper end of the sealing box, a connecting pipe is arranged in the middle of the sealing box, and the connecting pipe is communicated with an inner cavity of the sealing box. The upper end and the lower end of an inner cavity of the sealing box are each provided with a sealing packing, and a containing cavity is formed between the interval space and the inner wall of the sealing box. A detachable reducer union is arranged at the outer end of the connecting pipe, and a detachable sealing cock is further arranged on the outer wall of the connecting pipe. According to the combined sealing structure, when sealing fails, sealant can be injected into the containing cavity through the sealant injection gun, the damaged combined sealing structure is repaired, shutdown is not needed, disassembly is not needed either, repairing is rapid, and the oil extraction efficiency is improved; meanwhile, a glue injection gun is used for glue injection repair, and operation is convenient. The combined sealing structure can be repeatedly used, and the service life is long.

The invention relates to the technical field of oil field separate-layer oil production, and particularly discloses an oil well pressure pulse control separate-layer oil production tubular column, an intelligent separate-layer oil production device is arranged in the tubular column, the intelligent separate-layer oil production device comprises two oil inlet channels capable of regulating and controlling the liquid inlet flow, and an inlet of one oil inlet channel is formed in the side wall of the tubular column; the intelligent separate recovery device is connected with the pulse receiver through a signal line, the output end of the intelligent separate recovery device is connected with an oil well pump, the oil well pump is connected with a sucker rod and pumps oil out through the sucker rod, a packer is connected to the outside of the tubular column and arranged below the intelligent separate recovery device, a screen pipe is connected to the tubular column below the packer, and the screen pipe is connected with the output end of the intelligent separate recovery device. And the screen pipe is communicated with an inlet of the other oil inlet channel. According to the tubular column, specific pressure pulse codes can be generated in a shaft sleeve through the pressure pulse generator, after the pulse receiver detects and analyzes the codes, the intelligent separate recovery device is controlled to automatically adjust different opening degrees of oil nozzles of corresponding production layers according to different pulse instructions, and oil layer separate recovery is achieved without moving the tubular column.

The invention discloses a combined sucker rod centralizer, and relates to the technical field of sucker rod centralizers, the combined sucker rod centralizer comprises an upper fixing sleeve and a centralizing assembly, the upper fixing sleeve is connected to the outer side of a sucker rod body in a penetrating and sleeving manner, the lower side of the upper fixing sleeve is connected with an upper adjusting mechanism capable of moving up and down, and the upper adjusting mechanism is connected with the upper side of the centralizing assembly. According to the combined sucker rod centralizer, the rotation effect of the centralizing assembly is automatically achieved through the inertia force of up-down movement of a sucker rod and rolling fit of the slope blocks and the balls, so that the contact points of the steel balls and the inner wall of an oil pipe are continuously and dynamically changed, and the situation that local concentrated abrasion is caused due to the fact that the contact points of a traditional centralizer are fixed is avoided; and through high-low position automatic matching of the first inclined plane block and the second inclined plane block, bidirectional stable supporting of the upper guide rod, the lower guide rod and the centralizing assembly can be achieved, the situation that the centralizing assembly is unstable due to inertia offset is avoided, and the operation stability of the device is guaranteed.

A water injection tubular column is installed in a sleeve, a water injection packer is arranged between the inner wall of the sleeve and the outer wall of the water injection tubular column, a steam injection tubular column is installed in the water injection tubular column, and the lower portion of the steam injection tubular column extends out of the bottom end of the water injection tubular column. A steam injection packer is arranged between the outer wall of the steam injection tubular column and the inner wall of the sleeve, the bottom of the steam injection tubular column is connected with a rod pump seat, and a pen point is installed at the bottom of the rod pump seat. A sucker rod is installed in the steam injection tubular column, the bottom of the sucker rod is connected with a rod pump, and the rod pump is installed on a rod pump base. By designing the water injection and steam injection huff and puff collaborative oil extraction concentric pipe column, water injection is carried out on a thin oil layer, steam huff and puff is carried out on a thick oil layer, and then pumping conversion production is carried out, so that two sets of different development layer series are used at the same time in one oil well, the well spacing number is reduced, and the block oil extraction speed is increased. Meanwhile, the tubular column further has a negative pressure oil extraction function, and the liquid production capacity of an oil well is improved.

The invention relates to the technical field of oil and gas field development, in particular to a thickened oil machine pumping horizontal well optical fiber monitoring production fluid profile testing system which comprises an optical fiber, a slotted small-diameter oil pipe, a crossover coupling, a pump body, an oil pipe, an oil pipe hanger, an oil extraction four-way joint, a sucker rod and a ground control unit. 2, penetrating an optical fiber from the uppermost slit of the slit small-diameter oil pipe, and fixing the optical fiber on the inner side of the lower end of the slit small-diameter oil pipe; and thirdly, the slotted small-diameter oil pipe is put into a preset position in the well. According to the method, the purpose of monitoring the multi-section fracturing fluid production profile of the thickened oil pumping horizontal well is achieved, the problems that a flowmeter of the thickened oil well is not suitable and a pumping pipe column in the well is not easy to test are solved, the fluid production contribution rate and the fracturing effect of each cluster of reservoir are accurately known through accurate monitoring of the fluid production profile, and the method is suitable for large-scale popularization and application. And an important basis is provided for reservoir understanding and fracturing transformation scheme optimization.

An apparatus and method for measuring position and magnitude of downhole mechanical friction. The apparatus comprises sensors that reside along, or in-line with, a section of equipment that is installed or removed from a wellbore. The sensing device is configured to measure friction relative to the wellbore during a work-over or other well intervention procedures where said section of equipment (tubing, rods, cable / wireline, etc.) is installed in, or removed from, the wellbore. Recorded measurements are processed to correct for dynamic forces to provide a measure of friction through the wellbore. Additionally, a method for applying the map of wellbore friction to the design and analysis of a rod actuated pump is presented. The method and apparatus presented herein pertain specifically to the handling of continuous rod, continuous tubing, or wireline / cable passing through the wellbore as measured at surface.

The utility model relates to the technical field of sucker rods, and discloses a PE (polyethylene) fully-coated sucker rod which comprises a sucker rod body, connecting ends are fixedly mounted at the left end and the right end of the sucker rod body respectively, a protective sleeve is sleeved on the outer side of the sucker rod body, and end sleeves are sleeved at the left end and the right end of the sucker rod body respectively. According to the PE fully-coated sucker rod, the outer side of the sucker rod body is coated with the protective sleeve made of the improved ultra-high molecular weight polyethylene material, so that the PE fully-coated sucker rod can better adapt to a well section of 1800-2000 m, and meanwhile, the PE fully-coated sucker rod has better wear resistance; the two ends of the sucker rod body are wrapped and sleeved with the end sleeves made of engineering plastic alloy materials, so that the sucker rod body has better high temperature resistance, friction resistance and corrosion resistance, the end sleeves located at the ends of the sucker rod body are extruded through cooperation of the limiting rings, the inner threaded sleeves, the outer threaded sleeves and the circular-truncated-cone-shaped ring sleeves, and therefore the sucker rod body is prevented from being damaged. And the connection between the end part sleeve and the end part of the sucker rod body is tighter.

The utility model relates to the field of oil extraction equipment, in particular to a sucker rod centralizer which aims at solving the technical problem that an existing centralizer cannot adapt to oil pipes of different specifications. The sucker rod centralizer comprises a fixing ring, the movable ring and the fixed ring are coaxially arranged; the plurality of groups of righting mechanisms are distributed around the axis of the movable ring at intervals; the righting mechanism comprises two supporting rods and a sliding assembly, one ends of the two supporting rods are hinged to the sliding assembly, and the other ends of the two supporting rods are hinged to the side wall of the fixed ring and the side wall of the movable ring respectively. The driving mechanism is arranged on the fixed ring and is in transmission connection with the movable ring so as to drive the movable ring to move in the axial direction of the movable ring. According to the sucker rod centralizer, the movable ring can be separated from or get close to the fixed ring in the length direction of the sucker rod through the driving mechanism, so that the angle between the upper supporting rod and the lower supporting rod is adjusted, the position of the sliding assembly is adjusted, the sliding assembly can adapt to oil pipes with different inner diameters, and the adaptability is improved.

The invention discloses an immovable string steam injection oil and gas production hydraulic lifting process, and relates to the technical field of mechanical oil and gas production equipment. According to the immovable tubular column steam injection oil and gas production hydraulic lifting technology, the working process of the immovable tubular column steam injection oil and gas production hydraulic lifting technology comprises the following steps that S1, in the ground working stage, ground equipment is composed and acts; and S2, the underground working stage is divided into an oil pumping process and a steam injection process, and the oil pumping process can also be divided into an upstroke stage and a downstroke stage. The frequency converter is adopted to adjust the frequency, a double-channel structure is adopted, resetting of the hydraulic lifting device is completed, the reciprocating mode achieves pumping of crude oil, due to the fact that a sucker rod is not arranged, the sucker rod is not stretched and shortened, and meanwhile when a pipe column is stretched and shortened, the feedback oil well pump is stretched and shortened as well, the effective stroke of the feedback oil well pump is prolonged, and the oil pumping efficiency is improved. The effective discharge capacity of the pump is improved, the tripping-in depth of the oil well pump can be effectively increased, and then the production potential of an oil well can be fully exerted.

and a tube connecting the dischar e side of the pump with a check valve in it, and a check valve in it at the pump end. The pump ends up being used to close the valve body's outer cover so that the pump can be closed after the oil drain plug is filled in. When the pump is filled with oil, the pump ends up being used to close the valve body.

The invention relates to the technical field of petroleum engineering, and provides a shearing and sealing integrated well repair blowout preventer which comprises a shell 6, a shearing flashboard 7 and a flashboard feeding mechanism used for driving the shearing flashboard 7, the shell 6 is in a hollow cross shape, and a sucker rod passes through the drift diameter of the upper side and the drift diameter of the lower side of the cross. A pair of coupled shear flashboards 7 is symmetrically arranged in the left drift diameter and the right drift diameter respectively and comprises an upper shear flashboard 71 and a lower shear flashboard 72 which are coupled, sheared and bent, and the upper shear flashboard 71 and the lower shear flashboard 72 are driven by a flashboard feeding mechanism to shear and bend a sucker rod inwards in a left-right V shape, so that well shut-in and flow control are achieved. The bending groove design is introduced into the shearing flashboard structure, the flashboard can bend an oil pipe while shearing the oil pipe, blowout high-pressure fluid in a pipe column is preliminarily controlled, and the water hammer impact and flow-induced vibration phenomena are effectively relieved; the flow guide mechanism balances the pressure of the upper part and the lower part in the vertical drift diameter, and the well opening difficulty is reduced.

A water injection pipe column and a steam injection heat insulation pipe are installed in a casing pipe in parallel, a horn opening is formed in the bottom of the water injection pipe column, and an oil pipe centralizer is arranged between the water injection pipe column and the outer wall of the steam injection heat insulation pipe; a double-pipe packer is arranged among the inner wall of the casing pipe, the outer wall of the water injection tubular column and the outer wall of the steam injection heat insulation pipe, an eccentric packer is arranged between the outer wall of the steam injection heat insulation pipe and the inner wall of the casing pipe, the bottom of the steam injection heat insulation pipe is connected with a rod type pump seat, and a pen point is installed at the bottom of the rod type pump seat. A sucker rod is installed in the steam injection heat insulation pipe, the bottom of the sucker rod is connected with a rod pump, and the rod pump is installed on a rod pump base. Water injection is carried out on a thin oil layer, steam huff and puff is carried out on a thick oil layer, then rotary pumping production is carried out, the well spacing number is reduced, and the block oil extraction speed is increased. Meanwhile, the tubular column further has the functions of negative pressure oil extraction and strong oil pipe righting, liquid production of an oil well is improved, and oil pipe winding is prevented.

The present invention relates to the field of spraying technology, and provides an anti-corrosion spraying device for surface treatment of sucker rods, which includes a frame, an anti-corrosion liquid tank, a horizontal pipe, a spray head and a plurality of brackets. Above each bracket, there is a triangular plate. The bottom surface of the triangular plate is a horizontal plane, and the top surface of the triangular plate is an inclined plane. A linear driving element I is installed on the frame. The telescopic end of the linear driving element I is connected to a slider. A chute is arranged on the top surface of the triangular plate, and the slider is slidably connected with the chute. The end faces of the slider and the chute are connected by a first return spring. The bottom surface of the triangular plate is connected with an upper brush cotton, the surface of the bracket is in an arc concave shape, and the surface of the bracket is connected with a lower brush cotton. The anti-corrosion liquid tank transports the anti-corrosion liquid to the lower brush cotton and the upper brush cotton through a pipeline. During use, the upper brush cotton presses on the sucker rod and pushes the sucker rod to rotate. The upper brush cotton and the lower brush cotton will brush the contact part between the sucker rod and the bracket, ensuring that the sucker rod undergoes a full-range anti-corrosion spraying operation.

The invention relates to the technical field of sucker rod detection, in particular to a combined sucker rod fatigue test clamping device which comprises a circular ring seat, a circular ring block is fixedly connected to the side wall of the circular ring seat, a circular ring cavity is formed in the inner wall of the circular ring block, a plurality of toothed plates are evenly distributed, penetrate and slidably connected to the inner wall of the circular ring cavity, and rectangular cavities are formed in the inner walls of the toothed plates. A sliding plug is slidably connected to the interior of the rectangular cavity in a sealed mode, buffer grooves are evenly formed in the inner wall of the annular cavity, the inner wall of each buffer groove is elastically connected with an extension rod through a reset spring, the extension rods penetrate through the inner walls of the adjacent toothed plates and then are fixedly connected with the side wall of the sliding plug, and one end of each toothed plate is fixedly connected with a rubber and plastic clamping plate. By arranging the toothed plate, the synchronous rack, the cleaning plate and other structures, when the combined sucker rod is subjected to a fatigue test, the surface of the combined sucker rod is cleaned firstly, and it is avoided that impurities such as oil stains affect the detection effect of a follow-up crack detector and the clamping effect of a rubber and plastic clamping plate.

The invention relates to the technical field of oil well operation tools, in particular to a midway pressure test hydraulic oil drainage type tubing anchor and a using method thereof.The hydraulic tubing anchor comprises a center pipe, a cone connector, an anchor tile and a piston assembly, the cone connector is arranged at the top of the center pipe, and a sealing ring I is arranged between the cone connector and the center pipe for sealing; the center pipe is connected with an oil pipe through the cone connector, the anchor tile and the piston assembly are sleeved on the center pipe, the anchor tile is arranged between the cone connector and the piston assembly, one end of the anchor tile is provided with a cone hole matched with the cone connector, and the other end of the anchor tile is connected with the piston assembly. The oil drainage action can be completed by adopting a mode of directly pressing into the oil pipe, and any tool does not need to be put into the oil pipe; mainly solves the problem that in the operation process of an oil well, under the condition that a tubular column is not moved, the oil drainage function of the tubular column is realized, so that conventional well washing can be carried out, an oil tube and a sucker rod are cleaned together, and crude oil brought out and environment pollution caused by tube and rod lifting are reduced.

The plunger pump for oil pumping comprises a cylinder body, a plunger, a threaded driving rod, a liquid inlet one-way valve port, a liquid outlet one-way valve port and a rotary power output device, the plunger is arranged in the cylinder body in a sliding mode and can do reciprocating motion, and a sealed working containing cavity is formed by one end of the plunger and the top of the cylinder body; the other end of the plunger is connected with the rotating power output end of a threaded driving rod, and the rotating power input end of the threaded driving rod extends out of the cylinder body to be connected with the rotating power output end of a rotating power output device. The liquid inlet one-way valve port is circumferentially arranged on the upper portion of the cylinder body, an inlet of the liquid inlet one-way valve port is communicated with an oil layer, an outlet of the liquid inlet one-way valve port is communicated with the sealed working cavity, the liquid outlet one-way valve port is arranged on the top of the cylinder body, and an inlet of the liquid outlet one-way valve port is communicated with the sealed working cavity and an outlet of the liquid outlet one-way valve port is communicated with an overground oil outlet pipeline. The plunger pump for oil pumping is convenient to install and convenient to pump oil, and meanwhile the defect that an oil pumping unit does work on an oil pumping rod in the working process is overcome.

The invention relates to the technical field of pumping unit pump indicator diagram solving, in particular to a method for inverting a pump indicator diagram through a ground indicator diagram, and the method comprises the steps: obtaining basic data of an oil well and ground indicator diagram data; determining identification key points based on the ground indicator diagram; the friction load data is subtracted from the load data of the ground indicator diagram, and the vibration load of the data subtracted from the friction load data is eliminated through filtering processing; subtracting the inertial load data from the data after the vibration load data is eliminated to obtain a corrected ground indicator diagram; and subtracting the sucker rod string load from the load data in the corrected ground indicator diagram, subtracting the corresponding stroke loss from the displacement data, further inverting a pump indicator diagram, and adjusting each parameter of the inverted pump indicator diagram according to a comparison result of the inverted pump indicator diagram and an actually measured pump indicator diagram. According to the method, the problem that when the damping coefficient is calculated, due to the fact that the number of damping coefficient parameters is large, damping coefficient calculation is not accurate, and the graph difference of the pump indicator diagram is large is solved through inversion of the pump indicator diagram.

Approaches for controlling operations of a sucker rod pump system of a production well that produces reservoir fluids from a reservoir, which employs a gateway device disposed at a wellsite corresponding to the well and a cloud-computing system operably coupled to the gateway device. The gateway device may communicate time-series operational data characterizing operation of the sucker rod pump system to the cloud-computing system. The cloud-computing system can receive and store the time-series operational data communicated from the gateway device and repeatedly perform operations that i) process the time-series operational data to train a machine learning model that predicts run time of the sucker rod pump system given feature data extracted the time-series operational data and ii) use the resultant machine learning model to determine new operating parameter data for use in controlling the sucker rod pump system, wherein the new operating parameter data maximizes production from the well.

The invention relates to the technical field of bearing lubrication, and discloses a petroleum sucker rod pivot connecting device adopting a self-lubricating bearing and a sealing structure, the petroleum sucker rod pivot connecting device comprises a polish rod, a sucker rod and a connecting seat arranged at the end of the polish rod and the end of the sucker rod, the end of the polish rod is in threaded connection with the inner wall of the connecting seat, and the bearing is rotatably mounted on the inner wall of the connecting seat. According to the pivot connecting device for the petroleum sucker rod, the inner ring of the bearing is driven by the sucker rod to rotate, and when the bearing is insufficient in lubrication, the outer ring of the bearing can overcome the elastic force of the torsional spring to rotate by a certain amplitude; the guide block drives the upper end of the telescopic sleeve to move downwards along the spiral groove, the friction force between the overturning block and the push rod enables the overturning block to overturn, the two ends of the overturning block are clamped, the sliding ring drives the overturning block and the push rod to move downwards synchronously, and the push rod pushes the piston in the oil storage bin. Lubricating grease stored in the oil storage bin is injected into the bearing through the oil conveying pipe.

The invention relates to the technical field of spraying, and provides a sucker rod surface treatment anti-corrosion spraying device which comprises a rack, an anti-corrosion liquid box, a horizontal pipe, a spraying head and a plurality of supports, a triangular plate is arranged above each support, the bottom face of each triangular plate is a horizontal plane, the top face of each triangular plate is an inclined plane, and a first linear driving element is installed on the rack; the telescopic end of the first linear driving element is connected with a sliding block, a sliding groove is formed in the top face of the triangular plate, the sliding block is connected with the sliding groove in a sliding fit mode, the sliding block is connected with the end face of the sliding groove through a first reset spring, the bottom face of the triangular plate is connected with upper brush cotton, the surface of the support is in an arc concave shape, and the surface of the support is connected with lower brush cotton. The preservative liquid box conveys preservative liquid into the lower brush cotton and the upper brush cotton through pipelines. During use, the upper brush cotton presses the sucker rod and pushes the sucker rod to rotate, the upper brush cotton and the lower brush cotton can brush the contact portion of the sucker rod and the support, and it is guaranteed that the sucker rod is subjected to all-around anti-corrosion spraying operation.

The utility model discloses a sucker rod sealer for replacing a light rod under pressure, and relates to the technical field of equipment under pressure. The utility model comprises a shell and a sealing assembly installed on both sides of the shell; the shell comprises a shell, a lower connecting pipe and an upper connecting pipe whose inner cavities are interconnected, the lower connecting pipe is coaxially arranged with the oil pipe and its lower end is connected to the oil well tee, the shell is fixed at the top of the lower connecting pipe, the upper connecting pipe is fixed at the top of the shell and the upper end of the upper connecting pipe is connected to the oil well tee; the sealer is installed on the oil well tee, when replacing the light rod, the bottom end of the light rod is lifted above the sealer, the screw is screwed to drive the sealing strip to slide, so that the sealing strips on both sides clamp the sucker rod, and the flow channel in the oil pipe at the lower end of the light rod is closed under pressure, so as to facilitate the replacement of the light rod, and the light rod is conveniently replaced by the device, the efficiency is increased, the cost is saved, the discharge of crude oil during depressurization, pressure reduction and well washing operations is avoided, and the pollution of formation oil and gas and the ground by clean water well washing is reduced.

The present invention relates to the field of automation of sucker rod operation, and discloses a sucker rod elevator and centering device, which includes a sucker rod elevator core-buffering assembly and a sucker rod centering assembly; the sucker rod elevator core-buffering assembly includes a core-buffering body, a linkage core-buffering mechanism and a hydraulic drive mechanism; the sucker rod centering assembly includes a base, a cylinder, a hinge mechanism and a clamping centering mechanism; the linkage core-buffering mechanism includes a clamping core-buffering seat, a replaceable clamping core-buffering and a rotating gear plate, the hydraulic drive mechanism includes a hydraulic cylinder, a cylinder seat, a movable seat and a guide fixed seat, the hinge mechanism includes a cylinder hinge ear, a hinge ear pin and a cylinder connecting rod, and the clamping centering mechanism includes a side square tube, a transition square tube, a centering square tube and a centering splint. The present invention can be driven by hydraulic core-buffering without manual operation, and the range of specifications suitable for sucker rods is widened; the centering effect is ideal, and the quality and efficiency of sucker rod operations are improved; the integrated setting is conducive to rapid positioning and improves installation efficiency.