CN113982510A

CN113982510A - Oil pipe and sucker rod turnover system and method

Info

Publication number: CN113982510A
Application number: CN202111599290.2A
Authority: CN
Inventors: 卢明忠; 吕胜全
Original assignee: Dongying Hengji Petroleum Technology Co ltd
Current assignee: Dongying Hengji Petroleum Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-01-28
Anticipated expiration: 2041-12-24
Also published as: CN113982510B

Abstract

The invention relates to the technical field of oil field downhole operation, and particularly discloses an oil pipe and sucker rod circulation system and a method, wherein the oil pipe and sucker rod circulation system comprises a pipe arrangement unit, a transfer station storage unit, an in-out station conveying unit and a loading conveying unit, the pipe arrangement unit comprises a roller way, an inclined material rack is arranged on one side of the roller way, a position-changing pipe arranger for vertically arranging pipe rods is arranged on one side of the material rack, a position-changing cylinder for driving the position-changing pipe arranger to rotate is arranged at the bottom of the position-changing pipe arranger, the position-changing pipe arranger is of a U-shaped structure, and the open end of the position-changing pipe arranger is movably connected with one end of the material rack. The pipe rods in the whole turnover process do not fall to the ground, the simple, reliable and durable mine mechanical property is realized, the safety and environmental protection requirements can be met, each link is based on a light single-row pipe row, the assistance of other equipment such as hoisting and the like is not needed, manual movement is also not needed, and the management level and efficiency are improved.

Description

Oil pipe and sucker rod turnover system and method

Technical Field

The invention relates to the technical field of oilfield downhole operation, in particular to a turnover system and method for an oil pipe and a sucker rod.

Background

In the life cycle from new product to scrapped, an oil pipe and a sucker rod (pipe rod for short) for an oil field are subjected to repeated lifting operation and are moved to and fro between a well site and a pipe rod repairing (cleaning, repairing and detecting) factory, and at least four times of loading and unloading and four times of pipe discharging are carried out in a turnover flow (the current turnover flow comprises the steps of discharging qualified pipe rods from a factory, loading and delivering the pipe rods to the well site, unloading at the well site, discharging pipes at the pipe rod discharging operation, lifting pipe rods during well repairing operation, discharging pipes at the well site, loading and returning the pipe rods to the factory, unloading and storing the pipe rods in the factory, loading the pipe rods on the pipe rack, delivering the pipe rods to the repairing workshop and completing turnover), and each link needs the repeated labor of manpower and auxiliary machinery. Taking an oil well with a pumping depth of 1600m as an example, the total carrying capacity is 128 tons, and the annual turnover carrying workload of an oil field of ten thousand wells is in the megaton level.

The pipe is basically repaired manually, a crane and a pipe grabbing machine are needed to be matched, and the labor intensity is high and the danger is high. The shape of the discharged tube rows is that a plurality of layers of tube stacks are separated by cross arms, so that the long-term overstock of the tubes arranged below is caused, the tube rods stored firstly are taken out according to the normal flow, but for convenient taking, the tubes can be taken out from the tube stack at the top layer, the management principle of the service life is not met, and the tube rods meeting the requirements of the operation instruction can be found only by turning over and moving during loading.

The well site ground calandria is mainly manual, and in recent years, well site calandria machines are popularized, so that the problems of complex structure and reliability are solved, and the well site ground calandria machines are not widely applied. The pipe arrangement machine itself needs to be transported and disassembled, the disassembling and assembling workload and labor intensity of pipe bridges, pipe frames, environmental protection facilities and the like are large, the auxiliary equipment such as cranes (or truck-mounted cranes), pipe grabbing machines and the like are needed, and the auxiliary equipment needs to go back and forth between a well site and a factory, so that waste is caused. The pipe discharging pipes on the well site are only convenient to go into the well, and after the pipe discharging pipes are loaded and transported back to the factory, pipe rods with different specifications are mixed together and need to be sorted and arranged again.

All units in the turnover flow are respectively 'stations', and the pipe arrangement and the loading and unloading vehicle only meet the management requirement of the station no matter in a factory or a well site, so that a systematic solution of upstream and downstream integration is not provided, and a large amount of repeated labor is provided. The pipe pole data information does not have a unified database, the data information is disconnected with the pipe pole material object in the turnover process, and the information data transmission is not continuous and operable.

Disclosure of Invention

The invention aims to provide an oil pipe and sucker rod turnover system aiming at the defects in the prior art, wherein a pipe rod does not fall to the ground in the whole turnover process, the turnover system has simple, reliable and durable mechanical properties in a mine field and can meet the requirements of safety and environmental protection, each link is based on a light single-row pipe row, other equipment such as hoisting and the like are not needed for assistance, manual moving is also not needed, and the management level and efficiency are improved.

The technical scheme of the invention is as follows: the utility model provides an oil pipe and sucker rod turnover system, includes:

the pipe arranging unit comprises a roller way, an inclined material rack is arranged on one side of the roller way, a position-shifting pipe arranger for vertically arranging pipe rods is arranged on one side of the material rack, a position-shifting cylinder for driving the position-shifting pipe arranger to rotate is arranged at the bottom of the position-shifting pipe arranger, the position-shifting pipe arranger is of a U-shaped structure, and the opening end of the position-shifting pipe arranger is movably connected with one end of the material rack;

the transfer station storage unit is a storage rack consisting of a base and a plurality of stand columns, and a storage space for storing pipe rods is formed between two adjacent stand columns and the base;

the station inlet and outlet conveying unit comprises a pipe rod transfer machine which runs between the pipe arranging unit and the transfer station storage unit, and the pipe rod transfer machine is used for placing or taking out the pipe rows into or from the storage space;

and the loading conveying unit comprises an operation auxiliary vehicle, and the pipe row in the storage space is conveyed into the operation auxiliary vehicle through a position-shifting pipe arranger.

Preferably, the pipe rod transfer machine comprises a rack moving between the pipe arranging unit and the transfer station storage unit, a movable beam moving up and down is slidably arranged on the rack, a plurality of groups of pipe hooks for fixing the pipe rods are arranged on the movable beam, a lifting mechanism is arranged on the rack, and one end of the lifting mechanism is connected with the movable beam; and the moving beam is also provided with a transposition mechanism for driving the pipe hook to rotate.

Preferably, the indexing mechanism comprises a driving gear connected with the rotary oil cylinder, two crank wheels are meshed with two sides of the driving gear, and the two crank wheels are respectively connected with the pipe hook through a connecting rod and a crank; each group of pipe hooks comprises two pipe hooks which are respectively positioned at two sides of the pipe row.

Preferably, the lifting structure comprises two hydraulic cylinders arranged on the frame, and piston rods of the two hydraulic cylinders are respectively connected with the movable beam through a steel wire rope and a pulley.

Preferably, the work assist vehicle includes a chassis, and further includes:

the fixing unit is provided with a plurality of disc chuck supports on the chassis, and a plurality of universal balls are mounted on an inner circle track of each disc chuck support;

the rotary rolling unit comprises a flower disc which is rotatably arranged in a flower disc support, adjacent flower discs are connected through a connecting plate, a plurality of pipe rod grooves which are radial in the center are formed in the flower disc, and the depths of the pipe rod grooves are different;

the driving unit comprises a motor arranged on a chassis, the motor is connected with a main shaft through a speed change mechanism, bearings are arranged at two ends of the main shaft, a plurality of flower discs are respectively fixed on the main shaft, and the flower discs at the two ends are connected with the bearings through a connecting plate; the plurality of faceplates, the bearings and the connecting plate form a rotary drum of an integral structure.

Preferably, the operation auxiliary vehicle is still including fixing the high stand in chassis both sides, is equipped with a plurality of flexible stands between two high stands, installs the folding platform who is located flexible stand top between two high stands, folding platform's one end is articulated with high stand, and high stand below still is equipped with the support cylinder, the flexible end of support cylinder is articulated with folding platform's the other end, folding platform is last still to be equipped with folding tube bridge and power catwalk.

Preferably, still be equipped with greasy dirt collecting system on the chassis, greasy dirt collecting system is including setting up the baffle at the chassis edge, be equipped with the hydrops groove that is used for saving fluid on the chassis, be equipped with the ground weeping hole with hydrops groove intercommunication on the chassis.

Preferably, the transfer station storage unit is provided with a plurality of upright posts to form a whole tube row and a bulk tube row with different heights.

A turnover method of an oil pipe and a sucker rod comprises the following steps:

1) arranging pipe rods, conveying the pipe rods to the deflection pipe arranging device through a roller way and a material rack, rotating the inclined deflection pipe arranging device to a vertical position through a deflection cylinder, arranging single pipe rods into a line, completing basic data acquisition, and waiting for transfer;

2) the pipe pole enters the transfer station, the pipe pole transfer machine clasps the pipe pole through the pipe hook as required, the movable beam is driven by the lifting mechanism to lift the pipe pole in the displacement pipe arranger, then the pipe pole enters the transfer station to reach the designated position, the movable beam descends, the pipe row enters the storage space to be stored, the pipe hook rotates, the movable beam ascends, the pipe pole transfer machine returns to the initial position, and the pipe pole transfer machine reciprocates between the pipe arranger and the transfer station;

3) loading the pipe rods out of the station, wherein the pipe rod transfer machine conveys the pipe rods in the storage space into a position-changing pipe arranging machine, then the pipe rods are loaded into pipe rod grooves of a flower disc of an operation auxiliary vehicle through a material rack by the position-changing pipe arranging machine, then a motor drives a main shaft to drive the flower disc to rotate for an angle, and the flower disc is continuously loaded into the next pipe rod groove until the pipe rod groove is full;

4) the operation of pipe placing is assisted, the operation is assisted by loading pipe rods to a well site, the folding platform is put down through the supporting cylinder, the power catwalk is aligned to the center of a wellhead and is in a downward inclination state, the motor drives the main shaft to drive the flower disc to rotate, meanwhile, the pipe rods in the pipe rod grooves sequentially roll out under the inclination angle, after the pipe rod in one pipe rod groove is unloaded, the flower disc rotates by an angle, and the next pipe rod groove is aligned to the folding pipe bridge to continue unloading until the pipe rod placing operation is completed;

5) the pipe rod lifting operation is assisted, an empty operation auxiliary vehicle reaches a well site, the folding platform is put down, the folding platform is inclined upwards by the support cylinder, the inclination angle is consistent with the inclination angle of the pipe rod groove, the center of the power catwalk is aligned with the center of a wellhead, pipe rods from the power catwalk are conveyed onto the folding pipe bridge one by one and then enter the pipe rod groove one by one, after one pipe rod groove is filled, the faceplate rotates by an angle, and the next pipe rod groove is aligned with the folding pipe bridge to continue the operation until the pipe rod lifting operation is completed;

6) unloading, unloading the pipe rods returned from the well site to the material rack from the operation auxiliary vehicle, calling the pipe rod lists to be checked at the beginning according to the well number, and finishing all the processes of data information.

Compared with the prior art, the invention has the following advantages:

1. the pipe rod turnover system is composed of a pipe arranging unit, a transfer station storage unit, an in-out station conveying unit and a loading conveying unit, the turnover process is independently completed, and other auxiliary hoisting and conveying equipment is not needed.

2. The full process is high in automation degree, the turnover process can be completed only by operating a control system (assisting a driver to drive the operation vehicle), and manual moving is not needed.

3. With the vertical setting of bank of tubes, not only convenient transport is arranged as the transport unit to the list bank of tubes, is the basis of the automatic turnover of pole of tube moreover, and the number of list pole of tubes is from 1 to Hn root, has both solved the repeated work problem that traditional stack formula calandria caused, has realized mechanized combination distribution pole again, accords with the management principle of pole FIFO.

4. The pipe pole data information is collected from a single joint to a single column, collected from the single column to a vehicle or a well and completely transmitted all the time, and the technical preparation work of pipe pole lowering operation such as pipe column assembly, length measurement calculation and the like is moved to a factory, so that the adverse effect of well site environment is avoided, and the technical preparation is more sufficient and accurate.

5. The pipe arranging unit has simple structure, the action of the position-changing pipe arranging device is single, the pipe arranging device is seamlessly connected with the front and the back working procedures, and the physical form problem of automatic pipe rod storage is solved in a simple and reliable mode.

6. The pipe hook of the pipe rod transfer machine is used for 'double-holding' the pipe rod, so that the pipe rod transfer machine can be flexibly stored and taken in a narrow row spacing; the lifting and the transposition actions of the pipe hook are controlled by adopting a hydraulic mechanical dead point, and other methods are not needed to detect whether the pipe hook is in place, so that the running reliability is ensured; the running stability is ensured by the matched guiding of the movable beam and the slide rail; the walking servo motor and the encoder on the frame form closed-loop control, so that the positioning accuracy is ensured.

7. The storage unit of the transfer station has a compact structure, and single-column storage creates conditions for database management and pipe pole data information transmission; the arrangement of the integral tube row and the bulk tube row meets the requirement of mechanized distribution.

The pipe pole transfer machine is driven by a power battery, control signals are transmitted wirelessly, and the pipe pole transfer machine is free of a traditional power line, a traditional signal line and a traditional inductive switch, so that the occupied area utilization rate of a transfer station storage unit is improved to the utmost extent, and plants, roads and other equipment are not affected.

8. The auxiliary operation vehicle replaces a pipe bridge pipe frame, a manual pipe arranging, a loading and unloading vehicle and transportation on a well site; the disc chuck rotates to replace a complex coordinate motion and a grabbing and lifting manipulator of a calandria machine; the area of a well site is reduced, and the pollution problem of ground calandria is solved; folding platform and power catwalk have avoided pipe pole secondary transport and loading and unloading, accomplish that the pipe pole does not fall to the ground.

9. The station-entering conveying unit is simple and practical, the damage of a pipe grabbing machine or a crane to a pipe pole is avoided, and the personal safety risk is reduced.

Drawings

FIG. 1 is a flow chart of the structure of the present invention;

fig. 2 is a schematic structural view of the pipe discharging unit of the present invention;

fig. 3 is a working state diagram of the pipe discharging unit of the invention;

FIG. 4 is a schematic structural view of an in-out station conveying unit of the present invention;

FIG. 5 is a left side view of FIG. 4;

FIG. 6 is a schematic structural view of an indexing mechanism according to the present invention;

FIG. 7 is a schematic view of the pipe hook of the present invention in an operative position;

FIG. 8 is a schematic structural diagram of a transfer station storage unit according to the present invention;

FIG. 9 is a schematic structural view of a truck loading conveying unit according to the present invention;

FIG. 10 is a schematic view of the construction of the work assisting vehicle of the present invention;

FIG. 11 is a cross-sectional view taken along line B-B of FIG. 10 in accordance with the present invention;

FIG. 12 is a cross-sectional view taken along line C-C of FIG. 11 in accordance with the present invention;

fig. 13 is a state view showing the unloading state of the work assisting vehicle of the present invention;

FIG. 14 is a schematic structural view of the flap mechanism of the present invention;

in the figure: 11. the device comprises a roller way, a material rack 12, a material rack 13, a position-changing pipe arranging device 14, a position-changing cylinder 15, a rotating shaft 21, a rack 22, a movable beam 23, a lifting mechanism 24, a pipe hook 24, a position-changing mechanism 25, a driving gear 25.1, a crank wheel 25.2, a connecting rod 25.3, a crank 25, a slide rail 26, a base 31, a cushion pipe 32, a bulk pipe row 33, a stand 34, a bulk pipe row 35, a bulk pipe row 51, a driving motor 52, a gear 53, a main shaft 53, a bearing 54, a bearing seat 55, a flower disc 56, a pipe rod groove 57, a longitudinal connecting plate 58, a longitudinal connecting plate 59, a flower disc support, a universal ball 60, a high stand column 62, a support cylinder 63, a power catwalk 64, a folding platform, a 65, a folding pipe bridge 66, a plate turning mechanism 67, a telescopic stand column 68, a baffle plate 69, a ground leakage hole 70, a liquid accumulation groove and a vehicle chassis 71.

Detailed Description

The invention is further illustrated below with reference to the figures and examples.

Example 1

Referring to fig. 1-9, an oil pipe and sucker rod turnover system comprises a pipe arranging unit, a transfer station storage unit, an in-out station conveying unit and a loading conveying unit.

The pipe arranging unit comprises a roller way, an inclined material rack 12 is arranged on one side of the roller way 11, a position-shifting pipe arranger 13 used for vertically arranging pipe rods is arranged on one side of the material rack 12, the bottom of the position-shifting pipe arranger 13 is rotatably connected with the upper end of a support through a rotating shaft 15, a position-shifting cylinder 14 used for driving the position-shifting pipe arranger 13 to rotate is arranged at the bottom of the position-shifting pipe arranger 13, the position-shifting pipe arranger 13 is of a U-shaped structure, and the open end of the position-shifting pipe arranger 13 is movably connected with one end of the material rack 12.

The pipe rod arrangement is the first step of the turnover process, and single pipe rods are arranged in a line and basic data acquisition is completed to be used as a basic unit in the subsequent process. The starting point of the turnover process is the outlet of qualified products in a pipe rod repair workshop, the qualified products reach the roller way 11 through the length measuring, weighing and label spraying equipment and the plate turnover mechanism 66, and each pipe rod is provided with a steel-grade identifier when leaving a factory. A new tubular string is prepared for delivery to the well site, beginning with this step.

The method specifically comprises the following steps: the pipe rod is conveyed to the pipe arranging unit by the roller way 11, as shown in fig. 2, the pipe rod is lifted to the material rack 12 by the plate turnover mechanism 66, the plate turnover mechanism 66 is a pull rod type plate turnover, as shown in fig. 14, the pipe rod enters the roller way 11 in a state that the plate turnover is laid flat, the pipe rod is lifted to the inclined plane of the plate turnover while the plate turnover is pulled by the telescopic cylinder to stand, the pipe rod rolls to the end part of the plate turnover along the inclined plane of the plate turnover, and when the plate turnover is laid again, the pipe rod falls onto the material rack 12 to complete one-time transverse movement. The plate turnover mechanism 66 is also used for the transverse movement of the pipe rod from the rack 12 to the roller table 11, and the steps are the same and the inclination directions are different. Movement of the pipe stick between the power catwalk 63 and the folding pipe bridge 65 also uses a flap mechanism 66. This is the prior art and will not be described in detail. The position changing cylinder 14 is a telescopic cylinder, the position changing pipe arranger 13 is controlled to be in an inclined position through the position changing cylinder 14, the inclination of the position changing pipe arranger 13 is the same as that of the material rack 12, and the opening end of the position changing pipe arranger is in contact with the material rack 12; so that the pipe string rolls into the index racker 13. The width of the position-changing pipe arranger 13 is slightly larger than the diameter d of the pipe rods, the corresponding width of the pipe rods with different diameters is adjusted by using a lining plate in the pipe arranger, the number of the pipe rods is from 1 to Hn, and the product of Hn and d is the height of the single-row pipe. When the number of the pipes is equal to Hn, the pipe discharging is stopped, the position changing cylinder 14 works, the position changing pipe discharging device 13 is changed from an inclined position to a vertical position by taking the rotating shaft 15 as a center, and the transfer is waited. From this point on, the tube bank in the index tube bank 13 is called single row: one or more layers are arranged in the vertical direction, and only one tube rod is arranged in each layer in the horizontal direction, so that the tube rows are called single-row tube rows.

The transfer station storage unit is a storage rack consisting of a base 31 and a plurality of upright columns 34, and a storage space for storing pipe rods is formed between two adjacent upright columns 34 and the base 31;

four bases 31 are axially distributed on the pipe rod of the transfer station, a cushion pipe 32 and an upright column 34 are arranged on the bases 31, the height of the cushion pipe 32 added on the bases 31 is generally 500mm, the height of the upright column 34 is equal to Hn + d +2d, the row width of two adjacent upright columns 34 is slightly larger than d, a lining plate is arranged in the storage space, and the row width can be adjusted by the lining plate according to different diameters d of the pipe rod. The length of the transfer station is determined by the number of the pipe rows, and the larger the maximum number Ln of the rows is, the higher the field utilization rate is. The number Hn of the single-row pipe rows is the designed maximum number, the pipe rows with the number Hn are called as integral pipe rows 35, a plurality of bulk pipe rows 33 are further arranged in the transfer station, the basic number of the bulk pipe rows is 1, 2 and 5, other numbers can be set according to needs, during specific transportation, the number of loading can be achieved through the pipe rows in the integral pipe rows 35 and the number of pipe rods in the bulk pipe rows 33, the integral pipe rows 35 do not need to be disassembled, the transportation is convenient, and the transportation frequency can be reduced. These bulk rows 33 are handled by the pipe transfer machine from the indexed racker 13, rather than manually. When the pipe rows 33 are out of the station, the specification and the number required by the operation instruction are met by the bulk pipe rows 33, and the 'number-collecting' process is finished by a transfer machine without manual movement.

The station-entering and station-exiting conveying unit comprises a pipe rod transfer machine which runs between the pipe arranging unit and the transfer station storage unit and is used for placing or taking out the pipe rows into or from the storage space;

the pipe rod transfer machine comprises a rack 21 moving between a pipe arranging unit and a transfer station storage unit, a movable beam 22 moving up and down is arranged on the rack 21 in a sliding mode, a plurality of groups of pipe hooks 24 used for fixing pipe rods are arranged on the movable beam 22, a lifting mechanism 23 is arranged on the rack 21, and one end of the lifting mechanism 23 is connected with the movable beam 22; the movable beam 22 is further provided with an indexing mechanism 25 for driving the pipe hook 24 to rotate.

The lifting mechanism 23 comprises two hydraulic cylinders arranged on the frame 21, piston rods of the two hydraulic cylinders are respectively connected with the movable beam 22 through a steel wire rope and a pulley, the piston stroke is the same as the lifting height, and the left dead point and the right dead point are the upper dead point and the lower dead point of the lifting of the movable beam, so that the position detection is not needed.

The indexing mechanism 25 comprises a driving gear 25.1 connected with the rotary oil cylinder, two crank wheels 25.2 are meshed with two sides of the driving gear 25.1, and the two crank wheels 25.2 are respectively connected with the pipe hook 24 through a connecting rod 25.3 and a crank 25.4; each set of pipe hooks 24 comprises two pipe hooks, which are respectively positioned at two sides of the pipe row. The pipe hook 24 is indexed with the crank 25.4 to realize the switching of the two positions of the pipe hooks a and b, as shown in fig. 7.

The two ends of the frame 21 are provided with slide rails 26, the two sides of the movable beam 22 are provided with shafts, the shafts are provided with roller bearings, the roller bearings can be positioned and centered in the slide rails 26 in two directions, and the movable beam 22 and the tube bank can accurately guide, do not shake or shake and stably run in the lifting and walking processes.

After finishing pipe arrangement, the pipe displacement pipe arranging device 13 is in a vertical state, the pipe rod transfer machine reaches the position of the pipe displacement pipe arranging device 13 from an initial position according to an instruction, the movable beam 22 descends to a bottom dead center, the pipe hook 24 is transferred from a position a to a position b by the indexing mechanism 25, the movable beam 22 ascends, the left pipe hook and the right pipe hook hold the pipe row to ascend, the movable beam 22 continues ascending to the top dead center, the pipe rod transfer machine starts to run on the track to enter a transfer station, after reaching the designated position, the movable beam 22 descends, the pipe row enters a storage space between two upright columns 34, pipes are discharged onto the base 31 and the cushion pipe 32, after reaching the bottom dead center, the pipe hook 24 is transferred from the position b to the position a, the movable beam 22 ascends to the top dead center, and the pipe rod transfer machine returns to the initial position according to the instruction to standby.

The pipe rod transfer machine runs on a field track, is driven by a power battery, and is charged when staying at an initial position (a certain specific position of the transfer station) for standby; the battery box, the electric control system and the hydraulic station are arranged on the frame 21, and the electric control system and the control center adopt wireless communication; no cables and brackets are arranged around the transfer station, so that the passing of other equipment is not influenced. The side of the track is provided with a synchronous rack which is meshed with a gear of an encoder arranged on the rack 21, and the encoder and a servo driving motor form closed-loop control to ensure accurate positioning on the running track.

And the tube bar transfer machine conveys the tube rows in the transfer station to the loading and conveying unit. The action sequence of the pipe rod transfer machine is the reverse action of the station entering process, and is not described again.

The loading and conveying unit comprises an operation auxiliary vehicle, and the tube bank in the storage space is conveyed into the operation auxiliary vehicle through the deflection tube bank 13.

The pipe rod transfer machine goes out of the station to reach the loading and conveying unit, the position-shifted pipe arranger 13 is in a vertical state at the moment, the transfer machine movable beam 22 descends to a bottom dead center, the pipe is placed into the position-shifted pipe arranger 13, and then the pipe returns to the transfer station. The shift cylinder 14 is operated to change the shift pipe arranging device 13 to an inclined state and to be at the same inclination angle as the rack 12. At this time, the rack 12 corresponds to a certain pipe rod groove 57 on the faceplate 56 of the auxiliary operation vehicle, the pipe rod rolls into the pipe rod groove 57, then the faceplate 56 rotates by an angle, and the next pipe rod groove 57 continues until the rack is full.

Example 2

Essentially the same as example 1, except that: as shown in fig. 9 and 10, the work assist vehicle includes a vehicle chassis 71, and further includes a fixing unit, a swivel rolling unit, and a driving unit.

Wherein, the fixing unit is a plurality of disc chuck supports 59 arranged on the vehicle chassis 71, as shown in fig. 12, a plurality of universal balls 60 are arranged on the inner circular track of the disc chuck supports 59; the rotary rolling unit comprises a disc chuck 56 which is rotatably arranged in a disc chuck support 59, adjacent disc chucks 56 are connected through a connecting plate 58, a plurality of pipe rod grooves 57 which are radial in the center are arranged in the disc chuck 56, and the depths of the pipe rod grooves 57 are different, so that the pipe rod grooves 57 are more as far as possible on the premise of ensuring the strength. The width of the pipe rod groove 57 is slightly larger than the diameter of the pipe rod, and the flower disc support 59 is used for supporting the weight of the pipe rod; the friction resistance of the pipe rod with the disc support 59 during movement can be reduced by the universal ball 60.

As shown in fig. 11, the driving unit includes a motor 51 mounted on a vehicle chassis 71, the motor 51 is connected with a main shaft 53 through a speed change mechanism, bearings 54 are mounted at both ends of the main shaft 53, the bearings 54 are mounted on bearing seats 55, a plurality of faceplates 56 are respectively fixed on the main shaft 53, and the faceplates 56 at both ends are connected with the bearings 54 through a connecting plate 58; the plurality of faceplates 56, bearings 54, and coupling plates 58 form a unitary, rotatable drum.

The operation auxiliary vehicle is still including fixing the high stand 61 in vehicle chassis 71 both sides, be equipped with a plurality of flexible stands 67 between two high stands 61, install the folding platform 64 that is located flexible stand 67 top between two high stands 61, the one end of folding platform 64 is articulated with high stand 61, high stand 61 below still is equipped with support cylinder 62, support cylinder 62's flexible end is articulated with the other end of folding platform 64, still be equipped with folding tube bridge 65 and power catwalk 63 on the folding platform 64, also be equipped with panel turnover mechanism 66 on the folding tube bridge 65.

During transportation, the folding platform 64 is in a folding state, as shown in fig. 10, at this time, the supporting cylinder 62 stands the folding platform 64 in a vertical state and is fixed on the high upright post 61 by a bolt;

during pipe stick lowering operations, the folding platform 64 is in an extended position, as shown in FIG. 12, and the support cylinder 62 positions the folding platform 64 flat and inclined downwardly at an angle substantially corresponding to the angle of inclination of the pipe stick channel 57 to facilitate rolling of the pipe stick. The folding pipe bridge 65 is then erected, the pipe rods in the pipe rod grooves 57 are sequentially rolled onto the folding pipe bridge 65, and the pipe rods are conveyed one by one onto the power catwalk 63 under the control of the plate turnover mechanism 66. When the pipe unloading of one pipe groove 57 is completed, the faceplate 56 rotates by an angle, and the next pipe groove 57 is aligned with the folding pipe bridge 65 to continue the unloading until the pipe unloading operation is completed.

During pipe lifting operation, the folding platform 64 is in an extending state, and the support cylinder 62 inclines the folding platform 64 upwards, and the inclination angle is basically consistent with that of the pipe rod groove 57, so that the pipe rod can roll conveniently. The pipe rods from the power catwalk 63 are fed individually to the folding pipe bridge 65 under the control of the flap mechanism 66. And then enter the pipe rod grooves 57 one by one, when one pipe rod groove 57 is full, the faceplate 56 rotates by an angle, and the next pipe rod groove 57 is aligned with the folding pipe bridge 65 to continue the operation until the pipe rod lifting operation is completed.

The unloading rack is generally a feeding pipe rack entering a repair workshop and can also be a storage pipe rack to be repaired. As shown in fig. 13, at this time, the rack 12 corresponds to one pipe rod groove 57 on the flower disc 56 of the auxiliary operation vehicle, the pipe rod is rolled onto the rack 12, and the pipe rod is moved onto the roller table 11 by the plate turnover mechanism 66 and sent into the workshop; the faceplate 56 is rotated through an angle and the next stem slot 57 continues until the discharge is complete. It is also possible to unload onto a device with indexed calandria 13 (the same as the calandria device) and then store it in single file.

And ending the circulation flow of one pipe rod, and entering the next circulation.

And (3) data flow:

in the calandria unit, single pipe pole information is automatically acquired through the length measuring and weighing device: length, weight, diameter and wall thickness (derived data), and a group of data of steel grade, diameter, wall thickness and length is marked on the surface of the pipe rod, so that field inspection and rechecking of well site technicians are facilitated; the following data for a single row of tubes can be obtained after the row is finished: the total weight (I), the total length (II) and the number (III), the name (IV), the specification (diameter), the steel grade (III), the source well number (or the age limit) (III) and the pipe row sequence number (III) of the pipe row are selected and input by a mouse, at the moment, the data information of the pipe rod is collected from a single pipe to a single pipe, and the data information is collected into a control center database;

position number ninthly and arrival date (R) of the single-row pipe are acquired in a storage unit of the transfer station.

In order to realize automatic operation, each upright column 34 with the column position numbers of 1-Ln is provided with a material sensor, the material state is displayed in real time in the data management system, each column has independent data information (r) -Ln, on the basis of the 10 groups of data, the functions of statistics, query, output and the like can be realized, and a pipe pole stock analysis report is provided in real time.

In the loading and conveying unit, a pipe rod distribution scheme is formulated according to the requirements of pipe column design or operation instruction, the position numbers of each row of the outbound at this time are confirmed, the stations are outbound one by one according to the descending sequence, data are collected to one car or one well from a single row, the outbound date ⑪ of the row of pipes is obtained and recorded into a database, and the row position mark is empty. And printing the pipe rod outbound list to go with the goods.

In the auxiliary pipe rod lowering unit, the pipe rods distributed in the factory completely meet the design requirements of the pipe column, and the operation is carried out in sequence. If the length of the pipe column is required to be segmented, the length of the spraying mark is directly found on the pipe body for accumulated calculation, and the length of the well site is not required to be measured by a manual measuring tape.

And after unloading is finished or when the single-well pipe rod enters a workshop, the unloading unit calls a list of the pipe rods which are just put down according to the well number for checking, and carries out physical partition identification on the single-well pipe rods so as to provide data for the next turnover process. The detection result in the repairing process becomes the basis for well condition analysis.

Thus, the whole process of the data information is completed.

Example 3

Basically the same as the embodiment 1, except that the vehicle chassis 71 is further provided with an oil collecting system, as shown in fig. 12, the oil collecting system includes a baffle 68 disposed at an edge of the vehicle chassis 71, the vehicle chassis 71 is provided with a liquid accumulating tank 70 for storing oil, and the vehicle chassis 71 is provided with a floor drain hole 69 communicated with the liquid accumulating tank 70. The oil carried by the pipe rods collects on the vehicle chassis 71 and is blocked by the baffle 68 from flowing to the ground. The oil stain on the vehicle chassis 71 flows into the liquid collecting tank 70 through the floor drain hole 69, and the liquid collecting tank 70 is emptied after returning to the factory. The oil dirt collecting system of the operation auxiliary vehicle replaces the anti-seepage cloth or the ship-shaped oil receiving disc of the traditional ground pipe frame.

In addition, the invention also provides a turnover method of the oil pipe and the sucker rod by utilizing the structure, which comprises the following steps:

1) arranging pipe rods, conveying the pipe rods to a deflection pipe arranger 13 through a roller way 11 and a material rack 12, rotating the inclined deflection pipe arranger 13 to a vertical position through a deflection cylinder 14, arranging single pipe rods into a line, completing basic data acquisition, and waiting for transfer;

2) the pipe pole enters the transfer station, the pipe pole transfer machine embraces the pipe pole through the pipe hook 24 as required, drive the walking beam 22 to lift the pipe pole in the pipe arranger 13 of the dislocation through the lifting gearing 23, then enter the transfer station and reach the designated position, the walking beam 22 descends, the pipe row enters the storage space to store, the pipe hook 24 rotates, the walking beam 22 ascends, the pipe pole transfer machine returns to the initial position, come and go between pipe arranger and transfer station;

3) when the pipe is taken out of the station for loading, the pipe rod transfer machine conveys the pipe rows in the storage space to the position-changing pipe arranging device 13, then the pipe rows are loaded into the pipe rod groove 57 of the operation auxiliary vehicle flower disc 56 through the position-changing pipe arranging device 13 through the material rack 12, then the motor 51 drives the main shaft 53 to drive the flower disc 56 to rotate for an angle, and the pipe rows are continuously loaded into the next pipe rod groove 57 until the pipe rod is full;

4) the pipe rod unloading operation is assisted, the operation is assisted by loading pipe rods to a well site, a folding platform 64 is put down through a supporting cylinder 62, a power catwalk 63 is aligned to the center of a wellhead and is in a downward inclination state, a motor 51 drives a main shaft 53 to drive a flower disc 56 to rotate, the pipe rods in pipe rod grooves 57 sequentially roll out at an inclination angle, after the pipe rods in one pipe rod groove 57 are unloaded, the flower disc 56 rotates by an angle, and the next pipe rod groove 57 is aligned to a folding pipe bridge 65 to continue unloading until the pipe rod unloading operation is completed;

5) the operation of pipe lifting rods is assisted, the operation auxiliary vehicle is empty and reaches a well site, the folding platform 64 is put down, the folding platform 64 is inclined upwards by the supporting cylinder, the inclination angle is consistent with the inclination angle of the pipe rod groove 57, the center of the power catwalk 63 is aligned with the center of a well head, pipe rods from the power catwalk 63 are conveyed onto the folding pipe bridge 65 one by one and then enter the pipe rod groove 57 one by one, after one pipe rod groove 57 is filled, the flower disc 56 rotates for an angle, the next pipe rod groove 57 is aligned with the folding pipe bridge 65, and the operation is continued until the pipe rod lifting operation is completed;

6) unloading, unloading the pipe rods returned from the well site from the operation auxiliary vehicle to the material rack 12, calling the pipe rod lists to be checked at the beginning according to the well numbers, and completing all processes of data information.

The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention, and the contents of the changes still fall within the scope of the present invention.

Claims

1. The utility model provides an oil pipe and sucker rod turnover system which characterized in that includes:

2. The oil pipe and sucker rod turnaround system of claim 1, which is characterized in that: the pipe rod transfer machine comprises a rack moving between a pipe arranging unit and a transfer station storage unit, a movable beam moving up and down is arranged on the rack in a sliding mode, a plurality of groups of pipe hooks used for fixing pipe rods are arranged on the movable beam, a lifting mechanism is arranged on the rack, and one end of the lifting mechanism is connected with the movable beam; and the moving beam is also provided with a transposition mechanism for driving the pipe hook to rotate.

3. The oil pipe and sucker rod turnaround system of claim 2, which is characterized in that: the indexing mechanism comprises a driving gear connected with the rotary oil cylinder, two crank wheels are meshed with two sides of the driving gear, and the two crank wheels are respectively connected with the pipe hook through a connecting rod and a crank; each group of pipe hooks comprises two pipe hooks which are respectively positioned at two sides of the pipe row.

4. The oil pipe and sucker rod turnaround system of claim 2, which is characterized in that: the lifting structure comprises two hydraulic cylinders arranged on the frame, and piston rods of the two hydraulic cylinders are connected with the movable beam through a steel wire rope and a pulley respectively.

5. The oil pipe and sucker rod turnaround system of claim 1, which is characterized in that: the auxiliary vehicle comprises a chassis and a

6. The oil pipe and sucker rod turnaround system of claim 5, which is characterized in that: the operation auxiliary vehicle is characterized by further comprising high stand columns fixed on two sides of the chassis, a plurality of telescopic stand columns are arranged between the two high stand columns, a folding platform located at the tops of the telescopic stand columns is installed between the two high stand columns, one end of the folding platform is hinged to the high stand columns, a supporting cylinder is further arranged below the high stand columns, the telescopic end of the supporting cylinder is hinged to the other end of the folding platform, and a folding pipe bridge and a power catwalk are further arranged on the folding platform.

7. The oil pipe and sucker rod turnaround system of claim 5, which is characterized in that: the chassis is also provided with an oil stain collecting system, the oil stain collecting system comprises a baffle arranged at the edge of the chassis, the chassis is provided with a liquid accumulation groove used for storing oil, and the chassis is provided with a ground leakage hole communicated with the liquid accumulation groove.

8. The oil pipe and sucker rod turnaround system of claim 1, which is characterized in that: the transfer station storage unit is provided with a plurality of upright posts to form an integral pipe row and a bulk pipe row with different heights.

9. The method of claim 6, wherein the method comprises the following steps: the method comprises the following steps: