546 results about "Sucker rod" patented technology

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 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.

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 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.

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 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.

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 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 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 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 invention relates to the technical field of oil exploitation, in particular to a hydraulic control well flushing valve and a double-pump-barrel oil well pump capable of flushing wells, the hydraulic control well flushing valve comprises an outer barrel body and a piston rod arranged in the outer barrel body, and a switch assembly connected with one end of the piston rod is arranged in a connector at one end of the outer barrel body; the other end of the outer cylinder is provided with a hydraulic driving assembly enabling the switch assembly to act. The connector is provided with an overflow control component which enables well flushing fluid to enter the outer cylinder so as to drive the hydraulic driving assembly to act. The double-pump-barrel oil well pump capable of washing the well comprises a hydraulic control well washing valve and an oil well pump body, one end of the oil well pump body is connected with an oil pipe, and the other end of the oil well pump body is connected with the hydraulic control well washing valve through a tail pipe. The well washing valve has the beneficial effects that the well washing valve is matched with the double-pump-barrel oil well pump for use, forward washing circulation can be established under the condition that operation is not carried out, wax is softened and driven out of an oil pipe, operation is easy and convenient, normal work of a sucker rod cannot be affected, and the yield of an oil well is guaranteed.

The invention belongs to the technical field of oil field downhole operation, and discloses a sucker rod oil scraping anti-pollution device which comprises a Christmas tree upper flange, a Christmas tree lower flange, a Christmas tree upper flange, a Christmas tree lower flange and a Christmas tree lower flange, mounting a jackscrew which is connected to the upper flange of the Christmas tree; the oil collecting barrel is connected with the upper flange of the Christmas tree through the mounting jackscrew; the oil scraping assembly comprises an installation disc, a triangular cover, an octagonal beef tendon oil scraping disc, beef tendon strips, a split type elastic contraction oil scraping rubber core and an annular rubber ring, gas pressure generated when a sucker rod moves can be effectively absorbed and buffered, gas in a cavity is stably guided out, the phenomenon of crude oil splashing is eradicated, meanwhile, large-area oil dirt stripping is achieved through the flexible beef tendon strips, and the oil scraping efficiency is improved. The upper layer split type elastic contraction oil scraping rubber core is matched with a dynamic pressing structure to scrape residual oil films, the oil scraping efficiency and the sealing performance are remarkably improved through double protection, the problem of pollution caused by oil contamination leakage is solved, and a reliable guarantee is provided for clean production of an oil field.

The invention relates to the technical field of well repairing devices, in particular to a sucker rod lifting appliance which comprises a sucker rod elevator provided with an opening groove with a forward opening for a sucker rod to penetrate through, and is characterized by further comprising a sucker rod lifting mechanism and a mounting frame, the sucker rod elevator is mounted on the mounting frame, and the sucker rod lifting mechanism is mounted on the mounting frame. The sucker rod lifting mechanism comprises a pressing weight, a cantilever, a jacking seat and a jacking driving component used for driving the jacking seat to move up and down, the front end of the cantilever is hinged to the pressing weight located over the open groove and used for bearing the end of the sucker rod, the pressing weight is provided with a pressing weight opening allowing the sucker rod to penetrate through, and the rear end of the cantilever is hinged to the mounting frame. And the middle part of the cantilever is hinged with the jacking seat. The sucker rod lifting mechanism is reasonable in structure, and the sucker rod lifting mechanism is arranged, so that the sucker rod can be lifted through the ram when the sucker rod is put down, the sucker rod is prevented from being bent under the action of the gravity of the sucker rod, it is guaranteed that butt joint threads of the sucker rod are aligned, and butt joint wrong buckling of the sucker rod is avoided.

The invention relates to the technical field of polishing devices, in particular to a petroleum sucker rod body polisher device and method in the intelligent manufacturing equipment industry. Comprising a mounting frame and a servo motor, the output shaft end of the servo motor is provided with a horizontal variable-stroke part, the horizontal variable-stroke part is connected with a horizontal sliding frame which is variable in stroke and horizontally reciprocates, the horizontal sliding frame is connected with a vertical pressurizing frame in a sliding mode, and a vertical variable-stroke part which drives the vertical pressurizing frame to reciprocate in a variable-stroke mode is fixedly mounted on the horizontal sliding frame. Two winding rollers are rotationally mounted on the vertical pressurizing frame, a reciprocating driving system for driving the two winding rollers to synchronously rotate in a reciprocating manner is arranged on the vertical pressurizing frame, a polishing abrasive belt is wound between the two winding rollers, and a liquid distribution cleaning system for synchronously and rotationally brushing the polishing abrasive belt and cooling the polishing abrasive belt in a water cooling manner is arranged on the vertical pressurizing frame. By means of the linkage design of the horizontal stroke changing piece and the vertical stroke changing piece, the grinding limitation of fixed pressure and fixed stroke in the prior art is broken through, and a cooperative control mechanism dynamically matched with the stroke and the pressure is constructed.

The invention relates to the technical field of oil extraction equipment, in particular to a wellhead Christmas tree sealing device capable of preventing leakage. A flange of a bottom pipe opening of the leakage-proof pipe is connected with a wellhead flange, the top of the leakage-proof pipe is detachably connected with a dust cover, and a penetrating-out opening for a sucker rod to penetrate out is formed in the dust cover. A sealing structure connected to the outer wall of the sucker rod in a sealed mode is fixed into the leakage-proof pipe. A pressure relief structure is arranged on the side portion of the leakage-proof pipe and located below the sealing structure. A cleaning structure used for scraping off oil on the outer wall of the sucker rod is connected to the upper portion of the sealing structure. In the anti-leakage device, the sealing structure in the anti-leakage pipe is tightly connected to the outer wall of the sucker rod, so that oil leakage can be effectively prevented; the pressure relief structure arranged on the side portion of the leakage-proof pipe is located below the sealing structure, when the pressure in the well rises suddenly, the pressure relief piston compresses the control pressure spring under the pressure effect, the pressure relief opening is opened, redundant pressure and petroleum are discharged to the pressure relief storage tank through the oil discharging pipe, and automatic pressure relief is achieved.

A walking beam type energy-saving pumping unit with a gravity compensation mechanism and turbine power generation mainly comprises a walking beam type pumping unit base, a solar power generation device, the gravity compensation mechanism, a horse head, a pumping rod, a pumping well and the like. In the working process, the gravity compensation mechanism can counteract the driving torque through potential energy release of the balancing weight; the turbine energy storage power generation device is provided with a turbine in a pumping well cavity to form a double-stroke fluid kinetic energy electromagnetic capturing mechanism; the solar power generation device efficiently absorbs solar radiation and converts the solar radiation into electric energy, and the load requirement for a traditional power grid is remarkably reduced. The energy consumption of the oil pumping unit can be effectively reduced, the stored energy of the oil pumping unit is increased, so that the dependence on a power grid is reduced, the energy safety in China is guaranteed, and wide application prospects are achieved.

A rod head armoring protection surface organic coating type anticorrosion sucker rod armoring processing device relates to the technical field of metal surface coating and comprises a forming platform which is formed by arranging a first transverse platform, a longitudinal platform and a second transverse platform in a Z shape and sequentially welding the first transverse platform, the longitudinal platform and the second transverse platform. A continuous conveying assembly, a surface cleaning unit, an anti-corrosion spraying unit, an armoring spraying unit and a curing and shaping unit are arranged on the forming platform. The continuous conveying assembly comprises a first transverse conveying unit, a longitudinal conveying unit and a second transverse conveying unit. The problems that the production efficiency and the automation degree are low, the quality of a protective layer is poor, a complex structure is difficult to protect, and the connection of production processes is insufficient in the anti-corrosion treatment process of the sucker rod head in the traditional technology are solved.

The invention discloses an oil pumping unit indicator diagram correction and production and liquid level metering method based on data driving, and relates to the technical field of oil exploitation, and the method comprises the following steps: S1, obtaining indicator diagram data of an oil field oil pumping unit well, and collecting an original suspension center indicator diagram through a power indicator; s2, obtaining a temperature drift correction coefficient and a null drift correction coefficient according to basic data in the original suspension point indicator diagram, and correcting a load measured by a suspension point to obtain a corrected indicator diagram; s3, displacement of different layers is obtained through operation according to a difference method, loads of time points of different layers are obtained in combination with the Hooke law, and indicator diagrams of different positions of the sucker rod string are obtained; and S4, a pump indicator diagram is calculated in combination with working fluid level iteration and a difference method, and calculation, digital production calculation and liquid level calculation of the oil well working fluid level are completed. According to the method, the precision and accuracy of the indicator diagram can be improved, and a powerful guarantee is provided for oil well digital technology and scientific management development.

The invention discloses a quenching and tempering heat treatment process for round steel 30CrMoA for a sucker rod. The quenching and tempering heat treatment process is characterized in that the quenching temperature is 850-880 DEG C, heat preservation is conducted for 35-45 min, the tempering temperature is 500-600 DEG C, and heat preservation is conducted for 70-90 min; the round steel 30CrMoA for the sucker rod comprises the following chemical components in percentage by weight: 0.30% of C, 0.19% of Si, 0.45% of Mn, 0.89% of Cr, 0.20% of Mo, less than or equal to 0.020% of P, 0.015% of S and the balance of iron and inevitable trace chemical elements. The invention aims to provide the quenched-tempered heat treatment process for the round steel 30CrMoA for the sucker rod, so that the mechanical properties of the round steel 30CrMoA for the sucker rod meet the requirements that the tensile strength is greater than or equal to 1100MPa, the percentage elongation after fracture is greater than or equal to 12%, and the percentage reduction of area is greater than or equal to 50%.

The utility model relates to the technical field of workover equipment, in particular to an intelligent environment-friendly oil pipe and sucker rod transporting and storing device for workover operation. Comprising a base, side baffles are fixed to the left side and the right side of the base, door plates are hinged to the front side and the rear side of the base, a bridge assembly is fixed to the base, a plurality of storage spaces are formed in the bridge assembly in the vertical direction, pushing devices are arranged on the door plates, and lifting assemblies are arranged on the portions, on the front side and the rear side of the bridge assembly, of the base. The pushing assembly can push the oil pipe or the oil pumping pipe into the lifting assembly on one side of the pushing assembly, and the lifting assembly can lift the oil pumping pipe or the oil pumping rod in the lifting assembly and transfer the oil pipe or the oil pumping rod into the storage space. According to the device, the pushing assembly is arranged, the pushing assembly can push the oil pipe or the sucker rod into the lifting assembly in sequence, the lifting assembly can lift the oil pipe or the sucker rod and convey the oil pipe or the sucker rod into the storage space, and the labor intensity of workers can be reduced in the oil pipe or sucker rod storage process.

This disclosure includes a sucker rod string, a tubing protector, and a tool joint with a polycrystalline diamond element positioned thereon for mating with other surfaces in downhole applications. The polycrystalline diamond element can be positioned on the sucker rod guide, sucker rod connector, tubing protector, and tool joint.

The invention discloses a design method of an anti-corrosion and wear-resistant reinforced sucker rod, and relates to the technical field of oil exploitation equipment. According to the method, chemical components of the sucker rod are optimized, alloy elements such as chromium, nickel and molybdenum and microalloy elements such as niobium, titanium and vanadium are added, meanwhile, the surface treatment processes of boriding, nickel-phosphorus alloy plating and polyurethane elastomer coating are adopted, all links of the manufacturing process are optimized, and the manufacturing process is optimized. The corrosion resistance, the wear resistance and the comprehensive mechanical property of the sucker rod are obviously improved. Tests prove that the sucker rod adopting the design method can effectively deal with a complex and severe underground environment, the service life is prolonged, the oil extraction operation cost of an oil field is reduced, and the sucker rod has a wide application prospect.

The invention provides an energy-saving oil pumping unit, which belongs to the technical field of oil exploitation equipment and comprises a support frame, a winding wheel body, a motor, a first traction piece, a second traction piece, an oil pumping rod and an adjustable counterweight assembly. The winding wheel body is rotationally arranged on the supporting frame; the motor is arranged on the supporting frame, is in transmission connection with the winding wheel body and is used for driving the winding wheel body to rotate; the first traction piece and the second traction piece are respectively wound on two opposite sides of the winding wheel body; the sucker rod is connected to the free end of the first traction piece; the adjustable counterweight assembly is connected to the free end of the second traction piece and used for balancing the total gravity of the sucker rod and the sucker rod underground load by adjusting the gravity of the counterweight of the adjustable counterweight assembly. According to the energy-saving oil pumping unit, the total gravity of the oil pumping rod and the load of the oil pumping rod is matched in real time, so that the driving motor only needs to provide a small amount of power for overcoming the friction force of the system to complete lifting operation, and the energy consumption in the lifting process of the oil pumping unit is reduced.

This invention belongs to the technical field of oil extraction equipment, specifically a tower-type intelligent control long-stroke beamless pumping unit, including a tower and a flexible rod pumping mechanism mounted on the tower; it also includes a plunger self-weight adjustment mechanism, which is used to adjust the weight of the pump plunger. By setting up the plunger self-weight adjustment mechanism, during the descent of the pump plunger, the total weight of the counterweight tube, sucker rod string, and pump plunger increases through the delivery of counterweight oil, thereby forcing the pump plunger to descend at a faster rate in the tubing. Before the pump plunger rises, the counterweight oil in the counterweight tube, sucker rod string, and pump plunger is discharged, thereby reducing the total weight of the counterweight tube, sucker rod string, and pump plunger, and thus reducing the pressure exerted by the counterweight tube, sucker rod string, and pump plunger on the drive components.

The present invention relates to the field of automation of sucker rod operations, and discloses a positioning and guiding device for a sucker rod elevator, which includes a guiding frame mechanism, an oil cylinder mechanism and a laser ranging mechanism; the guiding frame mechanism includes a short horizontal pipe, a long horizontal pipe, a left guiding pipe, a right guiding pipe, a left vertical pipe, a right vertical pipe, a left inclined pipe, a right inclined pipe, a left movable bushing, a right movable bushing, a fixed bushing, a movable ear seat, a bottom plate and a main fixing plate; the oil cylinder mechanism includes an oil cylinder and an oil cylinder bracket; the laser ranging mechanism uses a laser ranging sensor. By setting a reasonable guiding structure to guide the elevator in the left and right directions, the present invention has strong stability, can ensure the smooth completion of the handover between the elevator and the slip, and greatly improves the operation efficiency; the laser ranging and positioning function is successfully applied to the automation of sucker rod operations, and the height direction of the elevator is accurately positioned by laser ranging, fundamentally preventing the occurrence of impact accidents.

The utility model relates to the field of oilfield development, in particular to a double-hollow sucker rod heating device which comprises a heating tank, a sucker rod assembly, a stirring assembly, a heating assembly, a flow guide pipe, a threaded sleeve, a feeding hopper, a first hydraulic controller and a liquid discharging pipe. The heat conduction layer and the heat preservation and insulation layer are arranged in the inner pipe and the outer pipe of the sucker rod respectively, heat transfer between a heat carrier and the sucker rod can be enhanced through the heat conduction layer, it is ensured that heat can be efficiently transferred to the underground, heat loss of the heat carrier in the flowing process can be reduced through cooperation of the heat preservation and insulation layer, and the service life of the sucker rod is prolonged. The heating assembly capable of sensing the temperature of the heating carrier in the heating device in real time is arranged, and the heating temperature can be flexibly adjusted according to the actual temperature change of the heat carrier liquid to achieve rapid temperature rise of the heat carrier liquid; and the stirring assembly is arranged, so that the heat carrier liquid flowing back into the heating device can be quickly and uniformly stirred in a rotary stirring mode to accelerate temperature rise.

The utility model discloses a kind of scrapped sucker rod remanufacturing devices, comprising: feeding table, the inner wall of feeding table is connected with feeding roller by bearing rotation, and feeding roller is equipped with several;Feeding positioning assembly, including first guide rail frame, the inner wall of first guide rail frame is connected with positioning slide by sliding, the inner wall of positioning slide is connected with positioning roller by bearing rotation, and positioning roller and feeding roller cooperate for feeding;Polishing rust removal component, including driving wheel and detachable fixed installation steel wire wheel on the outer wall of driving wheel.The utility model can be adapted to different diameter scrapped sucker rod by the first screw of feeding positioning assembly and first hand wheel adjusting positioning roller height, the second screw of polishing rust removal component and second hand wheel can adjust steel wire wheel pressure, adapt to different corrosion degree rod body, without replacing core component can handle multiple specifications sucker rod, solve the problem of single compatibility of traditional device.