CN117967245A - Automatic intelligent key tag throwing device for intelligent fracturing sliding sleeve and implementation method - Google Patents

Abstract

The invention relates to the technical field of oilfield exploitation, in particular to an intelligent key tag automatic throwing device for an intelligent fracturing sliding sleeve and an implementation method. In order to solve the problem that the pump is required to be stopped when the soluble ball device is put in, the operation is complex, only one label is put in at a time and put in sequence, so that the soluble ball device can be put in according to a preset sequence, the conditions of confusion and wrong sticking and putting can be avoided, the difficulty and the error rate of manual operation are reduced, the working efficiency can be improved, the error rate is reduced, and the intelligent monitoring and control of the label putting process are realized. This will have a positive impact on the management and maintenance work of the fracturing wellhead, providing a powerful support for the exploitation of oilfield resources.

Description

Automatic intelligent key tag throwing device for intelligent fracturing sliding sleeve and implementation method

Technical Field

The invention relates to the technical field of oilfield exploitation, in particular to an intelligent key tag automatic throwing device for an intelligent fracturing sliding sleeve and an implementation method thereof.

Background

In petroleum engineering, fracturing operations are a common method of oilfield exploitation. In fracturing operations, the wellhead needs to be monitored and controlled to ensure smooth operation. At present, a common wellhead monitoring and controlling method is realized by throwing soluble balls, the soluble balls to be thrown into a well are put into a ball throwing container from bottom to top according to the ball throwing sequence, the soluble balls are sequentially increased from bottom to top, and different tool pipe columns are set by means of the soluble balls with different sizes. However, the device for throwing the soluble balls needs to stop the pump, and has the problems of complex operation, complex and laborious operation, low control precision, inaccurate throwing, low operation efficiency, high safety risk and the like, and needs to be improved.

Disclosure of Invention

The invention provides an intelligent key tag automatic throwing device for an intelligent fracturing slide sleeve and an implementation method thereof, and aims to simplify tag throwing operation, ensure that a tag does not need to stop a pump in the throwing process, realize fracturing without stopping the pump and save the cost of fracturing operation.

The above object is achieved by the following technical scheme:

The utility model provides an automatic device of throwing in of intelligent key label for intelligent fracturing sliding sleeve, includes the valves cross, and the lower extreme rigid coupling and the intercommunication of valves cross have lower extreme pilot operated valve, and the left end rigid coupling and the intercommunication of valves cross have oily arbitrary I, and the upper end rigid coupling and the intercommunication of valves cross have upper end pilot operated valve, and the right-hand member rigid coupling and the intercommunication of valves cross have oily arbitrary II, and the upper end rigid coupling and the intercommunication of upper end pilot operated valve have the label dispenser.

The lower end of the lower-end hydraulic control valve is fixedly connected and communicated with a fracturing six-way valve, and the lower end of the fracturing six-way valve is fixedly connected and communicated with a manual flat valve; the lower end hydraulic control valve, the oil tank I, the upper end hydraulic control valve and the oil tank II are fixedly connected and communicated with the hydraulic station through an oil pipe respectively to form four passages, and each passage is controlled to be opened and closed through a valve;

the intelligent key label automatic throwing implementation method for the intelligent fracturing sliding sleeve comprises the following steps of:

The first step, the lower end hydraulic control valve, the oil valve I, the upper end hydraulic control valve and valves on the paths of the oil valve II and the hydraulic station are respectively a valve No. 1, a valve No. 2, a valve No. 3 and a valve No. 4, the valve No. 4 is opened, and a pressure transmitter at the four-way position of the valve group displays the pressure of 0MPa;

step two, opening a valve No. 3, putting the label, and closing the valve No. 3 and the valve No.4 after the label is successfully put;

step three, boosting operation, namely, enabling the pressure of the four-way valve set to be 3-5MPa higher than the pressure of the lower end of the valve No. 1, opening the valve No. 1, enabling the label to enter a wellhead, and pumping the label until the label completely enters the wellhead;

and step four, confirming that the tag is well-entered, stopping pumping operation, closing a valve No.1, pumping the tag into a seat, and setting the initial displacement to 3.5 square/min, wherein the initial displacement is recommended to be reduced to 1.5-2 square/min before the tag is seated so as to ensure that the tag is smoothly seated, starting a sliding sleeve to perform construction after the tag is successfully seated, repeating the working procedures, and performing the next-stage construction until the construction is completed.

The intelligent key tag automatic throwing device for the intelligent fracturing sliding sleeve and the implementation method thereof have the beneficial effects that:

The labels are put into the process without stopping the pump, so that fracturing without stopping the pump is realized, only one label is put into the process at a time, and the labels are put into the process in sequence, so that the labels can be put into the process according to the preset sequence, the conditions of confusion and wrong sticking and putting can be avoided, the difficulty and the error rate of manual operation are reduced, the working efficiency can be improved, the error rate is reduced, and the intelligent monitoring and control of the label putting process are realized. This will have a positive impact on the management and maintenance work of the fracturing wellhead, providing a powerful support for the exploitation of oilfield resources.

Drawings

FIG. 1 is a schematic diagram of an automatic intelligent key tag throwing device for an intelligent fracturing sliding sleeve;

FIG. 2 is a top view of the label dispenser;

FIG. 3 is a side view of an apparatus cover;

FIG. 4 is a cross-sectional view of the label dispenser

FIG. 5 is an enlarged view of a portion of the label dispenser;

FIG. 6 is a top view of the interior of the label dispenser;

FIG. 7 is an isometric view of a label dispenser;

FIG. 8 is a front view of the label dispenser;

FIG. 9 is a lower cross-sectional view of the label dispenser;

FIG. 10 is a schematic view of the structure of the control box bracket;

FIG. 11 is a schematic structural view of a decelerator support;

FIG. 12 is a schematic structural view of a support frame;

FIG. 13 is a schematic view of the structure of the equipment enclosure;

FIG. 14 is a schematic view of the structure of the device base;

FIG. 15 is a schematic view of another view of the device base;

Fig. 16 is a schematic view of a label dispenser assembly A6.

In the figure: the hydraulic control device comprises a lower-end hydraulic control valve 1, an oil tank I2, an upper-end hydraulic control valve 3, an oil tank II 4, a label dispenser 5, a fracturing six-way valve 6, a manual flat valve 7, a hydraulic station 8, a valve block four-way 9, a control box support A1, a speed reducer support A2, a support frame A3, an equipment outer cover A4, an equipment base A5, an equipment cover A6, a sensor support B7, a handle B8, a label feed cylinder B9, an upper fixing plate B10, a lower fixing plate B11, an original detection part B12, a slewing bearing B13, a switch pulling plate B14, a pulling plate pressing plate B15, a push rod front seat B16, an electric push rod B17, a push rod rear seat B18, a transmission gear B19, a speed reducer B20, a servo motor B21, a connecting screw rod B22, a proximity switch B23, a control box B24, a control box cover B25, a feeding cover B26 and a home position sensor B27.

Detailed Description

The utility model provides an automatic device of throwing in of intelligent key label for intelligent fracturing sliding sleeve, refer to FIG. 1, including valves cross 9, the lower extreme of valves cross 9 is through flange rigid coupling and intercommunication have lower extreme pilot operated valve 1, the left end of valves cross 9 is through flange rigid coupling and intercommunication have oily arbitrary I2, the upper end of valves cross 9 is through flange rigid coupling and intercommunication have upper end pilot operated valve 3, the right-hand member of valves cross 9 is through flange rigid coupling and intercommunication have oily arbitrary II 4, the upper end of upper end pilot operated valve 3 is through flange rigid coupling and intercommunication have label dispenser 5;

Further described, the lower end of the lower-end hydraulic control valve 1 is fixedly connected and communicated with a fracturing six-way valve 6 through a flange, and the lower end of the fracturing six-way valve 6 is fixedly connected and communicated with a manual flat valve 7 through a flange; the lower hydraulic control valve 1, the oil inlet I2, the upper hydraulic control valve 3 and the oil inlet II 4 are briefly described as four gate valves, the four gate valves are fixedly connected and communicated with the hydraulic station 8 through an oil pipe respectively to form four passages, each passage is controlled to be opened and closed through a valve, and preferably, the oil pipe is fixed with the gate valve and the oil pipe is fixed with the hydraulic station 8 through a threaded connection mode. The connecting position is sealed through a sealing structure, and a sealing gasket is arranged in the sealing groove of the contact surface. The hydraulic station 8 is controlled by an integrated circuit, and is started and closed by one key, so that a worker cannot get close to a high-voltage area during construction, and the operation is convenient.

Further, the label dispenser 5 further includes an electric control power system, the electric control power system is a servo driver for driving the servo motor to rotate and a single chip microcomputer for controlling the servo driver, the single chip microcomputer sends a signal for controlling the servo motor to rotate to the servo driver, and the servo driver sends electric energy to the servo motor to control the servo motor to rotate after receiving the rotation signal. The further electric control power system comprises a control box support A1, a device base A5 is fixedly connected to the lower end of the control box support A1 through screws, a control box B24 and an original point sensor B27 are fixedly connected to the control box support A1 through screws, a control box cover B25 is fixedly connected to the upper end of the control box B24, a controller is installed in the control box B24, a speed reducer support A2 is fixedly connected to the device base A5 through screws, a speed reducer B20 is fixedly connected to the speed reducer support A2 through screws, a lower end flange of a servo motor B21 is in transmission connection with an upper end flange of the speed reducer B20 through screws, the transmission connection mode is preferably meshed, a transmission gear B19 is fixedly connected to the lower end of the speed reducer B20, 4 support frames A3 are circumferentially and uniformly distributed on the upper end of the device base A5 through screws, a device cover A4 is fixedly connected to the upper end of the device base A5 through screws, the support frames A3 are positioned on the outer side of a device cover A4, the inner circumference of the cover A3 is convenient to transport and convenient, a plurality of devices A4 are fixedly connected to the outer cover 7A 6A, a plurality of sensors B26 are arranged on the outer cover 7A 6 and a sealing cover B6 is arranged on the outer cover 4, a sealing cover 6A 6 is arranged on the outer cover 6A 6 sealing cover, and a sealing cover 8 is arranged on the sealing cover 6B 6 sealing cover, and the sealing cover is arranged on the sealing cover 6A 6B 6 sealing cover is arranged; the proximity switch B23 is a product with a lamp and is used for detecting whether a label exists in the label feed cylinder B9, when the label feed cylinder B9 rotates to the position of the proximity switch B23, if the label exists in the label feed cylinder B9, the proximity switch B23 can be provided with a red light prompt, and if the label does not exist, the label is not provided with the red light prompt. Meanwhile, the proximity switch B23 can transmit a prompt signal to the remote control end through a cable, so that an operator can monitor in real time.

Further described, a mounting groove is arranged on the equipment base A5, a switch pulling piece B14 is connected in the mounting groove in a sliding way, a pulling piece pressing plate B15 limiting the switch pulling piece B14 is fixedly connected on the equipment base A5 through a screw, the switch pulling piece B14 can only move linearly along the extending direction of the mounting groove, a push rod front seat B16 is fixedly connected on the switch pulling piece B14 through the screw, a push rod rear seat B18 is fixedly connected on the lower end surface of the equipment base A5 through the screw, pin holes are preset on the push rod front seat B16 and the push rod rear seat B18, the front end of an electric push rod B17 is connected with the push rod front seat B16 through a pin, the push rod rear seat B18 is a fixed fulcrum of the electric push rod B17 after being fixed with the equipment base A5 through the screw, the pin holes are matched with the pin holes on the push rod rear seat B18, the automatic label feeding device is characterized in that the automatic label feeding device is connected through a pin, the telescopic end of the electric push rod B17 is fixedly connected with the switch pulling plate B14, the equipment base A5 is fixedly connected with the slewing bearing B13, the inner teeth of the slewing bearing B13 are meshed with the outer teeth of the transmission gear B19 to form a gear transmission pair, the slewing bearing B13 is fixedly connected with the lower fixing plate B11 through a screw, the lower fixing plate B11 is fixedly connected with the original detection part B12 through a screw, the upper fixing plate B10 is arranged above the lower fixing plate B11, the lower fixing plate B11 and the upper fixing plate B10 are fixedly connected with the same label feed cylinder B9 through a screw, the equipment base A5 is provided with a vertical channel which is vertically communicated, the label feed cylinder B9 is positioned right above the vertical channel, and the two forms a label feeding channel, and the label feeding port is simply referred to as a feeding port.

The slewing bearing B13 adopts a standard component, the national standard of JB/T2300-2011 slewing bearing comprises an inner race and an outer race, rolling bodies are arranged between the inner race and the outer race, the slewing bearing B13 selected by the invention is characterized in that the outer race is a fixed ring and fixedly connected to a device base A5, the inner race is a rotating ring and is provided with tooth grooves, and the inner race can rotate under the action of the rotating body. Meanwhile, the inner race is provided with mounting holes uniformly distributed in circumference and is fixedly connected with the lower fixing plate B11 through bolts, the lower fixing plate B11 is provided with mounting holes uniformly distributed in circumference and capable of being provided with a label feed cylinder B9, and labels can be prevented in the label feed cylinder B9, so that when the inner race of the slewing bearing B13 rotates, the lower fixing plate B11 connected with the inner race can be driven to rotate, and the label feed cylinder B9 fixed on the lower fixing plate B11 is driven to rotate, and as the labels are placed in the label feed cylinder B9, the labels also rotate along with the rotation of the label feed cylinder B9.

When the controller receives a motion signal transmitted by the upper computer, the servo motor B21 is controlled to rotate, the output shaft of the servo motor B21 drives the speed reducer B20 to operate, the speed reducer B20 drives the transmission gear B19 to rotate, the transmission gear B19 drives the slewing bearing B13 to rotate, the slewing bearing B13 drives the label feed cylinder B9 to rotate, and the label feed cylinder B9 drives labels in the label feed cylinder B9 to rotate. On the other hand, when the controller receives a motion signal transmitted by the upper computer, the electric push rod B17 is controlled to extend or retract, and as the front end of the electric push rod B17 is connected with the switch pulling piece B14 through the push rod front seat B16, when the electric push rod B17 extends or retracts, the switch pulling piece B14 also moves back and forth, the switch pulling piece B14 is positioned between the label feed cylinder B9 and the vertical channel, and the switch pulling piece B14 is used for opening or closing the feed port.

The implementation method of the fracturing wellhead throwing label comprises the following steps of:

The method comprises the steps of firstly, closing a lower-end hydraulic control valve 1, an oil port I2, an upper-end hydraulic control valve 3, an oil port II 4 and valves on a passage of a hydraulic station 8, wherein the valves are respectively a valve No.1, a valve No. 2, a valve No. 3 and a valve No. 4, and the valve No. 4 is opened, and at the moment, a pressure transmitter at a four-way 9 of the valve group displays pressure of 0MPa;

Step two, a remote controller is used for opening a valve No. 3, after the valve No. 3 is in-place detection is completed, label throwing is started, and after label delivery is successful, the valve No. 4 is closed;

Whether the valve is in place or not can be judged through the sensor, and the opening and closing of the valve can be controlled through the remote controller;

Step three, the balance car is connected with a valve No. 2, the valve No. 2 on the remote controller is opened, after the valve No. 2 is completely opened, the balance car carries out boosting operation on the valve block four-way 9, so that the pressure detected by a pressure transmitter of the valve block four-way 9 is 3-5MPa higher than the pressure at the lower end of the valve No. 1, the valve No. 1 on the remote controller is opened, a label enters a wellhead, and the balance car continues to pump the label by using small displacement until the label completely enters the wellhead;

wherein the method of confirmation may be detected by observation or using other devices;

Step four, confirming that the tag is well-entered, stopping pumping operation by the balance car, closing a valve No. 1 on the remote controller, pumping the tag into a seat by the fracturing truck group through the injection head, setting the initial displacement to 3.5 square/min, but suggesting to be reduced to 1.5-2 square/min before the tag is seated so as to ensure that the tag is smoothly seated, starting a sliding sleeve to perform construction after the tag is successfully seated, repeating the working procedures, and performing the next-stage construction until the construction is completed.

When the above procedures are repeated, the label feeding steps are as follows:

S1, the electric push rod B17 stretches out, the switch pulling piece B14 closes the feed inlet, the label dispenser 5 is reset, the origin is automatically found, the origin is found to be the starting point of the rotation of the finding equipment, the device of the original detection piece B12 is the rotation starting point, the effect of the origin is to ensure the accuracy of the rotation, the servo motor and the gear revolute pair have the accuracy problem, the rotation cannot be ensured to have no error when the rotation is carried out, when the error accumulation is overlarge, the accumulated error of the rotation is eliminated by the origin finding, and the accuracy of the rotation is ensured.

S2, pulling out the feeding sealing cover B26;

S3, activating a label;

S4, sequentially throwing labels from a throwing port according to the sequence of the well layers until the loading is completed; specifically, the labels are sequentially and vertically thrown into the feeding port according to the sequence of the layers of the wells, after the first label feed cylinder B9 at the starting point position is rotated to feed, the servo driver is controlled by the singlechip to rotate the servo motor, so that the label dispenser 5 is driven to rotate anticlockwise, the second label feed cylinder B9 is rotated to the feeding port to feed the labels, meanwhile, the first label feed cylinder B9 is rotated to the position of the proximity switch B23, and the proximity switch B23 has a red light to light a prompt due to the existence of the labels in the label feed cylinder B9.

Wherein, the label blanking step is as follows:

And T1, when the label delivering operation is stopped, and the rest labels need to be taken, the electronic control switch pulling piece device stretches out to seal the feed port.

T2, when the label dispenser 5 rotates to the feeding port as the label barrel B9 of the label dispenser 5, a field worker takes out the label from the feeding port manually.

And T3, clicking a stock searching button after the label is completely taken out, automatically searching the stock by the rotary table, and plugging the loading hole after the stock searching. It should be noted here that: when repeated delivery is required on the same layer, the position of the label dispenser is not moved, and the on-site personnel are required to directly throw the labels from the feed opening; when the electric control switch pulling piece does not extend out to the proper position, the label dispenser can not start the original searching action.

Claims (10)

1. The utility model provides an automatic device of throwing in of intelligent key label for intelligent fracturing sliding sleeve, a serial communication port, including valves cross (9), the lower extreme rigid coupling of valves cross (9) and intercommunication have lower extreme pilot operated valve (1), the left end rigid coupling of valves cross (9) and intercommunication have oily arbitrary I (2), the upper end rigid coupling of valves cross (9) and intercommunication have upper end pilot operated valve (3), the right-hand member rigid coupling of valves cross (9) and intercommunication have oily arbitrary II (4), the upper end rigid coupling of upper end pilot operated valve (3) and intercommunication have label dispenser (5).

2. The automatic intelligent key label throwing device for the intelligent fracturing sliding sleeve, according to claim 1, wherein the lower end of the lower-end hydraulic control valve (1) is fixedly connected and communicated with a fracturing six-way valve (6), and the lower end of the fracturing six-way valve (6) is fixedly connected and communicated with a manual flat valve (7); the lower-end hydraulic control valve (1), the oil tank I (2), the upper-end hydraulic control valve (3) and the oil tank II (4) are fixedly connected and communicated with the hydraulic station (8) through an oil pipe so as to form four passages, and each passage is controlled to be opened and closed through a valve.

3. The intelligent key tag automatic throwing device for the intelligent fracturing sliding sleeve, which is disclosed by claim 2, wherein the hydraulic station (8) is controlled by an integrated circuit, and can be started and closed by one key.

4. The smart key tag automatic placement device for a smart fracturing slide sleeve according to claim 1, the tag dispenser (5) comprising: the device comprises a device base (A5), a control box bracket (A1) is fixedly connected at the upper end of the device base (A5), a device outer cover (A4) surrounding the control box bracket (A1) is fixedly connected on the device base (A5), a control box (B24) and a primary sensor (B27) are fixedly connected at the upper end of the control box bracket (A1), a control box cover (B25) is fixedly connected at the upper end of the control box (B24), a controller is arranged in the control box (B24), a speed reducer bracket (A2) is fixedly connected on the device base (A5), a speed reducer (B20) is fixedly connected on the speed reducer bracket (A2), the forehead input end of the speed reducer (B20) is in transmission connection with a servo motor (B21), a transmission gear (B19) is fixedly connected at the output end of the speed reducer (B20), a plurality of sensor brackets (B7) which are circumferentially arranged are fixedly connected, a switch shifting plate (B14) is arranged on the device base (A5), an electric push rod (B5) is fixedly connected with an electric push rod (B13) through an external tooth gear (B13) in a rotary manner, the electric push rod (B13) is fixedly connected on the electric push rod (B13), the rotary support (B13) is fixedly connected with a lower fixing plate (B11), the lower fixing plate (B11) is fixedly connected with an original detection piece (B12), an upper fixing plate (B10) is arranged above the lower fixing plate (B11), and the lower fixing plate (B11) and the upper fixing plate (B10) are fixedly connected with the same label feed cylinder (B9).

5. The automatic intelligent key tag throwing device for intelligent fracturing sliding sleeves according to claim 4, wherein a plurality of supporting frames (A3) are fixedly connected to the equipment base (A5) in the circumferential direction, hanging rings are fixedly connected to the upper ends of the supporting frames (A3), and the supporting frames (A3) are located on the outer side of the equipment outer cover (A4).

6. The automatic intelligent key label throwing device for the intelligent fracturing sliding sleeve, according to claim 4, wherein an equipment sealing cover (A6) is detachably connected to the upper end of the equipment outer cover (A4), a throwing opening is formed in the equipment sealing cover (A6), a throwing sealing cover (B26) is detachably connected to the equipment sealing cover (A6), and the throwing opening is plugged by the throwing sealing cover (B26).

7. The intelligent key tag automatic throwing device for the intelligent fracturing sliding sleeve, which is disclosed by claim 6, wherein the hanging ring is higher than the equipment sealing cover (A6).

8. The automatic intelligent key label throwing device for the intelligent fracturing sliding sleeve, according to claim 7, wherein a plurality of sensor supports (B7) are uniformly distributed on the inner circumference of the equipment outer cover (A4), and a proximity switch (B23) is fixedly connected to each sensor support (B7).

9. The automatic intelligent key tag throwing device for the intelligent fracturing sliding sleeve, according to claim 8, wherein a mounting groove is formed in an equipment base (A5), a switch pulling piece (B14) is connected in the mounting groove in a sliding mode, a pulling piece pressing plate (B15) limiting the switch pulling piece (B14) is fixedly connected to the equipment base (A5), and the pulling piece pressing plate (B15) enables the switch pulling piece (B14) to move in a linear mode only along the extending direction of the mounting groove.

10. An automatic intelligent key tag putting implementation method for an intelligent fracturing sliding sleeve is characterized by comprising the following steps of:

The method comprises the following steps that firstly, a lower-end hydraulic control valve (1), an oil tank I (2), an upper-end hydraulic control valve (3) and valves on a passage of the oil tank II (4) and a hydraulic station (8) are respectively a valve No. 1, a valve No. 2, a valve No. 3 and a valve No. 4, the valve No. 4 is opened, and a pressure transmitter at a four-way valve (9) displays pressure of 0MPa;

step two, opening a valve No. 3, putting the label, and closing the valve No. 3 and the valve No.4 after the label is successfully put;

Step three, boosting operation, namely, enabling the pressure of the valve group four-way (9) to be 3-5MPa higher than the pressure of the lower end of the valve No. 1, opening the valve No. 1, enabling the label to enter a wellhead, and pumping the label until the label completely enters the wellhead;

and step four, confirming that the tag is well-entered, stopping pumping operation, closing a valve No.1, pumping the tag into a seat, and setting the initial displacement to 3.5 square/min, wherein the initial displacement is recommended to be reduced to 1.5-2 square/min before the tag is seated so as to ensure that the tag is smoothly seated, starting a sliding sleeve to perform construction after the tag is successfully seated, repeating the working procedures, and performing the next-stage construction until the construction is completed.