CN115680543A - Intelligent gas production wellhead system - Google Patents
Intelligent gas production wellhead system Download PDFInfo
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- CN115680543A CN115680543A CN202211281441.4A CN202211281441A CN115680543A CN 115680543 A CN115680543 A CN 115680543A CN 202211281441 A CN202211281441 A CN 202211281441A CN 115680543 A CN115680543 A CN 115680543A
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- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 6
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- 239000003345 natural gas Substances 0.000 abstract description 3
- 239000003245 coal Substances 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000003750 conditioning effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to the technical field of natural gas and coal bed gas exploitation equipment systems, and particularly discloses an intelligent gas production wellhead system, wherein a regulating mechanism, an auxiliary mechanism and a purification assembly are arranged on a conveying pipeline in the intelligent gas production wellhead system to cooperate, so that the pressure of conveyed gas is monitored, can be regulated and controlled in time and is controlled within a standard pressure range; first purification subassembly and second purification subassembly can be chooseed for use to the purification subassembly that sets up, during to pipeline internal pressure fine setting work among the intelligent gas production well head system, can through first purification subassembly, and carry out the during operation of continuation regulation and control to pipeline internal pressure, adopt the second to purify the subassembly, and then make the pressure regulation and control work among the intelligent gas production well head system have better flexibility, make the pressure level reach the standard of standard gas production well head, satisfy the actual demand of being under construction.
Description
Technical Field
The invention relates to the technical field of natural gas and coal bed gas exploitation equipment systems, in particular to an intelligent gas exploitation wellhead system.
Background
Along with the social development, people have more and more requirements on energy, and people use more and more clean energy to reduce carbon emission, so that high attention is paid to various petroleum enterprises for efficiently developing technologies of compact gas fields and shale gas; in the process of natural gas production, the pressure of some gas wells gradually decreases, and the produced water in the wells increases, which affects the yield of the gas wells. At present, the following gas production well heads are mainly available at home and abroad: firstly, a standard gas production wellhead; secondly, a digital gas production wellhead; and thirdly, remotely controlling a water and gas drainage wellhead.
The standard gas production well head realizes the normal production of the gas well under the conditions of high gas well yield and large stratum energy; however, there are the following problems: firstly, the gas well data can be collected only by adopting a manual well patrol mode; secondly, the process flow of the well mouth can only be manually reversed; thirdly, when the produced water is increased to prevent production, special equipment and process are needed, and the cost is increased; although the digital gas production wellhead realizes automatic well patrol, manual switching flow and implementation of special drainage gas production equipment and process are still needed.
The remote control of the drainage gas production well mouth realizes the automatic well patrol and the remote control of the drainage gas production process; however, in the actual working process, the system design cannot be achieved due to the influence of the standard gas production wellhead structure and the field modification condition, the pressure grade of the system cannot reach the standard of the standard gas production wellhead, namely, a corresponding early warning device is arranged on a conveying pipeline, and the system only can play a warning role, cannot perform timely regulation and control, controls the system within the standard pressure range, and cannot meet the actual construction requirement.
Disclosure of Invention
The invention aims to provide an intelligent gas production wellhead system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent gas production wellhead system comprises a gas production wellhead system main body, a blowout prevention pipe, an oil pipe pressure gauge, a sleeve pressure gauge, an electric control pneumatic membrane valve and a conveying pipeline, wherein the top end of the gas production wellhead system main body is fixedly connected with the blowout prevention pipe through a flange, one side of the bottom of the gas production wellhead system main body is connected with the pressure gauge, the electric control pneumatic membrane valve is arranged on one side of the gas production wellhead system main body, the electric control pneumatic membrane valve is connected with the conveying pipeline, and a plunger gas lift device is arranged in the blowout prevention pipe;
the conveying pipeline is fixedly provided with a connecting branch pipe, one end of the connecting branch pipe is provided with a regulating mechanism through flange connection, the regulating mechanism monitors and regulates the pressure of gas in the conveying pipeline, the regulating mechanism is connected with an auxiliary mechanism, the auxiliary mechanism is connected with a purification assembly, and the purification assembly, the regulating mechanism and the auxiliary mechanism are matched for use to maintain the pressure of the gas in the conveying pipeline within a standard pressure range;
the regulating mechanism comprises a pipe body, a pressure monitor, a first air pump, a first control module, an external connecting pipe, an air storage bin, a bearing body, a control motor, a rotary table and a regulating through groove;
the auxiliary mechanism comprises a second air pump, a second control module, a fixing body, a control telescopic rod, a third control module and a plugging plate.
Preferably, body fixed connection sets up the tip at connecting branch pipe, and the fixed pressure monitor that is provided with in the body, the fixed setting in the body of first air pump, and connect on the first air pump and be provided with first control module, the suction work of first air pump of first control module control, the outer pipe passes through the one end of flange fixed connection at the body, the outer pipe is gone up to connect and is provided with the gas storage bin, the supporting body is fixed to be set up on the outer pipe, and fixed being provided with control motor on the supporting body, control motor connects and is provided with the carousel, and the carousel activity sets up in the supporting body, the equidistance is provided with the regulation and control logical groove on the carousel.
Preferably, the regulation and control through grooves are uniformly distributed in a plurality of areas on the rotary table, the calibers of the regulation and control through grooves in the same area are equal, and the calibers of the regulation and control through grooves in different areas are different; namely, the caliber of the regulation through groove between adjacent areas is gradually increased or decreased; the speed of the pressure control of the conveying pipeline is controlled through the regulating through grooves with different calibers, so that the requirements of quick regulation and control as well as fine adjustment work can be met; and one of the positions is not provided with a regulation and control through groove, so that the pipe body can be just plugged, and the plugging work of the connecting branch pipe is realized.
Preferably, the two ends of the pipe body are symmetrically and fixedly provided with flanges, one end of each flange is fixedly connected with the connecting branch pipe through a bolt, and the other end of each flange is fixedly connected with the outer connecting pipe through a bolt.
Preferably, the second air pump is fixed to be set up on the takeover outside, and connects on the second air pump and be provided with second control module, the suction work of second control module control second air pump, fixed body fixed connection sets up on the takeover outside, and is provided with movable chamber in the fixed body, and the activity is provided with the shutoff board in the activity chamber, the fixed one end that sets up at the control telescopic link of one end of shutoff board, control telescopic link fixed connection set up in the fixed body, and one side connection of control telescopic link is provided with third control module, the third control module is controlled the flexible of control telescopic link, the one end of shutoff board sets up to the arcwall face.
Preferably, the movable cavity in the fixing body is communicated with the external connecting pipe, and the arc-shaped surface at one end of the plugging plate is matched and attached to the inner side wall of the external connecting pipe.
Preferably, the purification component can be a first purification component which comprises an installation cap and a disk-shaped purification adsorption pad; the mounting cap is in threaded connection with the pipe orifice of the outer connecting pipe, and a disk-shaped purification and adsorption pad is fixedly connected and arranged in the mounting cap.
Preferably, the purification component can be a second purification component which comprises a supporting disk, a rotating motor, a connecting disk, an installation clamping groove, a first magnet, an installation clamping block, a second magnet, a supporting frame, an annular purification adsorption pad and a handle; the fixed tip that sets up at outer takeover of supporting disk, and the mouth of pipe of outer takeover extends to in the supporting disk, rotate the fixed setting of motor on the supporting disk, and rotate the motor and connect and be provided with the connection pad, and be provided with installation clamping groove on the connection pad, the fixed first magnet that is provided with in the installation clamping groove, and installation clamping groove and installation fixture block looks adaptation joint, the fixed second magnet that is provided with on the installation fixture block, and the fixed one side that sets up at the support frame of installation fixture block, the fixed inside wall that sets up at annular purification adsorption pad of support frame, the activity of annular purification adsorption pad sets up in the supporting disk, the fixed lateral wall that sets up at the support frame of handle.
Preferably, the annular purification adsorption pad is tightly attached to the supporting disk, and the annular purification adsorption pad corresponds to the pipe orifice of the external connecting pipe in position; the second magnet is corresponding to the first magnet in the arrangement position and has the same arrangement group number, and the second magnet and the first magnet are mutually attracted.
Preferably, the pressure gauge in the system is a tubing pressure gauge or a casing pressure gauge; the automatic operation of the plunger gas lifting device is realized by automatically monitoring the pressure of an oil pipe and the pressure of a sleeve and controlling the opening and closing of an electric control pneumatic membrane valve.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the regulating mechanism is arranged on the conveying pipeline in the intelligent gas production wellhead system, and is matched with the auxiliary mechanism and the purification assembly, so that the pressure of the conveyed gas is monitored, and can be regulated and controlled in time to be controlled within a standard pressure range; first purification subassembly and second purification subassembly can be chooseed for use to the purification subassembly that sets up, carry out the fine setting during operation to pipeline internal pressure among the intelligent gas production well head system, can through first purification subassembly, and carry out the during operation of continuation regulation and control to pipeline internal pressure, adopt the second to purify the subassembly, and then make the pressure regulation and control work among the intelligent gas production well head system have better flexibility, make the pressure level reach the standard of standard gas production well head, it is in the standard pressure within range to control it, satisfy the actual construction demand.
Drawings
FIG. 1 is a schematic diagram of the left side of the structural connection of an intelligent gas production wellhead system of the present invention;
FIG. 2 is an enlarged view of a portion of the structural joint of FIG. 1 according to the present invention;
FIG. 3 is a schematic diagram of the right side of the structural connection of the intelligent gas production wellhead system of the present invention;
FIG. 4 is an enlarged view of a portion of the structural joint of FIG. 3 according to the present invention;
FIG. 5 is a schematic left side view, partially in section, of structural connections of the adjustment mechanism of the present invention;
FIG. 6 is a right side view, partially in section, of the structural attachment of the adjustment mechanism of the present invention;
FIG. 7 is a schematic view of the connection of the structure of the turntable in the regulating mechanism of the present invention;
FIG. 8 is a partial sectional view of the structural connection of the conditioning mechanism with the auxiliary mechanism and the first cleaning assembly of the present invention;
FIG. 9 is an enlarged view of a portion of the structural joint of FIG. 8 according to the present invention;
FIG. 10 is a schematic left side view, partially in section, of the structural connection of the conditioning mechanism with the auxiliary mechanism and the second cleaning assembly of the present invention;
FIG. 11 is a right side view, partially in section, of the structural connection of the conditioning mechanism, the auxiliary mechanism, and the second cleaning assembly of the present invention;
FIG. 12 is a right side view of a second purification assembly according to the present invention;
FIG. 13 is an enlarged partial view of the structural connection of FIG. 12 according to the present invention;
FIG. 14 is a schematic view of the left side of the structural connection of the second purification assembly of the present invention;
FIG. 15 is an enlarged partial view of the structural connection of FIG. 14 according to the present invention;
FIG. 16 is a partial cross-sectional view of the structural attachment of the lubricator and plunger gas lift device of the invention.
In the figure: the gas production wellhead system comprises a gas production wellhead system main body 1, a blowout prevention pipe 2, a pressure gauge 3, an electric control pneumatic membrane valve 4, a conveying pipeline 5, a connecting branch pipe 6, a regulating mechanism 7, a pipe body 701, a pressure monitor 702, a first air pump 703, a first control module 704, an external connecting pipe 705, an air storage bin 706, a supporting body 707, a control motor 708, a rotary table 709, a regulating through groove 710, an auxiliary mechanism 8, a second air pump 801, a second control module 802, a fixing body 803, a control telescopic rod 804, a third control module 805, a plugging plate 806, a first purification assembly 9, a mounting cap 901, a disc-shaped purification adsorption pad 902, a second purification assembly 10, a supporting plate 1001, a rotating motor 1002, a connecting disc 1003, a mounting clamping groove 1004, a first 1005 magnet, a mounting clamping block 1006, a second magnet 1007, a supporting frame 1008, an annular purification adsorption pad 1009, a handle 1010 and a plunger gas lift device 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are illustrative of some, but not all, embodiments of the invention and are not to be construed as limiting the scope of the invention, as those skilled in the art will recognize and appreciate that many other embodiments can be made without inventive faculty.
The first embodiment is as follows: referring to fig. 1-16, an intelligent gas production wellhead system comprises a gas production wellhead system main body 1, a lubricator 2, a pressure gauge 3, an electrically controlled pneumatic membrane valve 4 and a conveying pipeline 5, wherein the lubricator 2 is fixedly connected to the top end of the gas production wellhead system main body 1 through a flange, the pressure gauge 3 is connected to one side of the bottom of the gas production wellhead system main body, the electrically controlled pneumatic membrane valve 4 is arranged on one side of the gas production wellhead system main body 1, the conveying pipeline 5 is connected to the electrically controlled pneumatic membrane valve 4, and a plunger gas lift device 11 is arranged in the lubricator 2; the pressure gauge 3 is an oil pipe pressure gauge and a sleeve pipe pressure gauge in the system; the automatic operation of the plunger gas lifting device 11 is realized by automatically monitoring the pressure of an oil pipe and the pressure of a sleeve and controlling the opening and closing of the electric control pneumatic membrane valve 4;
a connecting branch pipe 6 is fixedly arranged on the conveying pipeline 5, one end of the connecting branch pipe 6 is provided with a regulating mechanism 7 through flange connection, the regulating mechanism 7 monitors and regulates the pressure of the gas in the conveying pipeline 5, an auxiliary mechanism 8 is connected to the regulating mechanism 7, the auxiliary mechanism 8 is connected with a purifying assembly, and the purifying assembly, the regulating mechanism 7 and the auxiliary mechanism 8 are matched for use to maintain the pressure of the gas in the conveying pipeline 5 within a standard pressure range;
the regulating mechanism 7 comprises a pipe body 701, a pressure monitor 702, a first air pump 703, a first control module 704, an external connecting pipe 705, an air storage bin 706, a bearing body 707, a control motor 708, a turntable 709 and a regulating through groove 710;
the auxiliary mechanism 8 includes a second air pump 801, a second control module 802, a fixing body 803, a control telescopic rod 804, a third control module 805, and a blocking plate 806.
The pipe body 701 is fixedly connected and arranged at the end part of the connecting branch pipe 6, a pressure monitor 702 is fixedly arranged in the pipe body 701, the first air pump 703 is fixedly arranged in the pipe body 701, a first control module 704 is connected and arranged on the first air pump 703, the first control module 704 controls the suction work of the first air pump 703, the external pipe 705 is fixedly connected at one end of the pipe body 701 through a flange, an air storage bin 706 is connected and arranged on the external pipe 705, a bearing body 707 is fixedly arranged on the external pipe 705, a control motor 708 is fixedly arranged on the bearing body 707, a turntable 709 is connected and arranged on the control motor 708, the turntable 709 is movably arranged in the bearing body 707, and a regulation and control through groove 710 is formed in the turntable 709 at equal intervals.
The regulation through grooves 710 are uniformly distributed in a plurality of areas in the turntable 709, the calibers of the regulation through grooves 710 in the same area are equal, and the calibers of the regulation through grooves 710 in different areas are different; that is, the aperture of the regulation through groove 710 between adjacent regions gradually increases or decreases; the speed of pressure control of the conveying pipeline 5 is controlled through the regulating through groove 710 with different calibers, so that the requirements of quick regulation and control as well as fine adjustment work can be met; a regulation and control through groove 710 is not arranged at one position, and the pipe body 701 can be just plugged, so that the plugging work of the connecting branch pipe 6 is realized; flanges are symmetrically and fixedly arranged at two ends of the pipe body 701, one end of the pipe body is fixedly connected with the connecting branch pipe 6 through bolts, and the other end of the pipe body is fixedly connected with the external connecting pipe 705 through bolts.
The second air pump 801 is fixedly arranged on the outer connecting pipe 705, a second control module 802 is connected to the second air pump 801, the second control module 802 controls the pumping work of the second air pump 801, the fixing body 803 is fixedly connected to the outer connecting pipe 705, a movable cavity is arranged in the fixing body 803, a blocking plate 806 is movably arranged in the movable cavity, one end of the blocking plate 806 is fixedly arranged at one end of the control telescopic rod 804, the control telescopic rod 804 is fixedly connected to the fixing body 803, a third control module 805 is connected to one side of the control telescopic rod 804, the third control module 805 controls the telescopic movement of the control telescopic rod 804, and one end of the blocking plate 806 is arranged to be an arc-shaped surface.
The movable cavity in the fixing body 803 is communicated with the external connection pipe 705, and the arc-shaped surface at one end of the blocking plate 806 is matched and attached to the inner side wall of the external connection pipe 705.
The automatic operation of the plunger gas lifting device 11 is realized by controlling the opening and closing of the electric control pneumatic film valve 4 through the automatic monitoring of the oil pipe pressure and the sleeve pipe pressure; when the well is in operation, the solid plunger piston firstly sinks into the bottom of the well barrel, and the solid plunger piston floats upwards under the drive of accumulated water; because the pressure in the shaft is larger, after the solid plunger rises to the wellhead of the shaft, the shaft must be closed, after the shaft is closed, the solid plunger falls to the bottom of the shaft by the self gravity, and then the shaft is opened for next circulation; since the plunger drops to the bottom of the well by its own weight, a solid one-piece plunger is typically used in order to achieve rapid downward movement of the plunger.
According to the invention, the regulating mechanism 7, the auxiliary mechanism 8 and the purification component are arranged on the conveying pipeline 5 in the intelligent gas production wellhead system, so that the pressure of the conveyed gas is monitored, and can be regulated and controlled in time to be controlled within a standard pressure range; when the pressure is too high, the pressure monitor 702 arranged on the pipe body 701 triggers the first control module 704 and starts the control motor 708 to drive the rotary disc 709 to rotate, the corresponding regulation through groove 710 on the rotary disc 709 is adjusted to the position of the pipe orifice of the pipe body 701 according to regulation requirements, then the gas of the conveying pipeline 5 is sucked by the first air pump 703 and stored in the gas storage bin 706 until the pressure in the conveying pipeline 5 is restored to the standard pressure range, then the pressure monitor 702 transmits a signal to the first control module 704 and the control motor 708, so that the rotary disc 709 is reset, the pipe body 701 is plugged, and meanwhile, the first air pump 703 stops working; however, when the pressure continuity of the conveying pipeline 5 is too high, the conveying pipeline needs to be subjected to pressure reduction rapidly and continuously, that is, the motor 708 is controlled to control the rotation of the turntable 709, the regulating through groove 710 with the largest caliber is adjusted to the position of the pipe orifice of the pipe body 701, the first air pump 703 pumps air into the air storage chamber 706, and when the air storage chamber 706 is full of air, the air needs to be discharged outwards, that is, the blocking plate 806 is controlled to rise through the third control module 805 at this time, so that the blocking operation on the external connection pipe 705 is released, and then the second control module 802 controls the second air pump 801 to discharge the air in the air storage chamber 706 outwards, so that the normal operation of the internal pressure regulation operation of the conveying pipeline 5 is ensured, and then the discharged air is purified through the purification assembly arranged at the end of the external connection pipe 705, so as to avoid the environment pollution caused by the external connection pipe 705; until the internal pressure of the conveying pipeline 5 is within the standard pressure range, the first air pump 703 and the second air pump 801 stop working, the plugging plate 806 plugs the external connection pipe 705 under the pushing-back action of the control telescopic rod 804, and the turntable 709 resets under the action of the control motor 708 to plug the pipe body 701.
When the pressure is too small, the gas in the gas storage 706 needs to be conveyed to the conveying pipeline 5 by controlling the cooperation between the motor 708, the rotary table 709 and the first air pump 703, so that the internal pressure of the conveying pipeline 5 is increased until the pressure is within the standard pressure range.
Example two: referring to fig. 8-9, the purifying element can be a first purifying element 9, which includes a mounting cap 901 and a disk-shaped purifying absorbent pad 902; the mounting cap 901 is screwed on the position of the pipe orifice of the outer connecting pipe 705, and a disk-shaped purification and adsorption pad 902 is fixedly connected and arranged in the mounting cap 901.
The exhausted gas is purified, the gas is adsorbed and purified through the disk-shaped purification adsorption pad 902 in the mounting cap 901, and the mounting cap 901 is fixed at the pipe orifice of the external connecting pipe 705 through threaded connection, so that the maintenance, the disassembly and the replacement in the later period are facilitated.
Example three: on the basis of the second embodiment, please refer to fig. 10-15, the cleaning assembly can be a second cleaning assembly 10, which includes a supporting plate 1001, a rotating motor 1002, a connecting plate 1003, an installation slot 1004, a first magnet 1005, an installation fixture block 1006, a second magnet 1007, a supporting frame 1008, an annular cleaning adsorption pad 1009, and a handle 1010; the supporting plate 1001 is fixedly arranged at the end part of the external connection pipe 705, the pipe orifice of the external connection pipe 705 extends into the supporting plate 1001, the rotating motor 1002 is fixedly arranged on the supporting plate 1001, the rotating motor 1002 is connected with the connecting plate 1003, the connecting plate 1003 is provided with an installation clamping groove 1004, a first magnet 1005 is fixedly arranged in the installation clamping groove 1004, the installation clamping groove 1004 is in matched clamping connection with an installation clamping block 1006, a second magnet 1007 is fixedly arranged on the installation clamping block 1006, the installation clamping block 1006 is fixedly arranged on one side of the supporting frame 1008, the supporting frame 1008 is fixedly arranged on the inner side wall of the annular purification adsorption pad 1009, the annular purification adsorption pad 1009 is movably arranged in the supporting plate 1001, and the handle 1010 is fixedly arranged on the outer side wall of the supporting frame 1008; the annular purification adsorption pad 1009 is tightly attached to the support disc 1001, and the annular purification adsorption pad 1009 corresponds to the pipe orifice setting position of the external connection pipe 705; the second magnets 1007 are provided at positions corresponding to the positions of the first magnets 1005 in the same number of sets, and attract each other.
When continuous regulation and control work is carried out, continuous adsorption and purification work needs to be carried out on gas exhausted from the gas storage bin 706, the rotating motor 1002 drives the annular purification and adsorption pad 1009 to rotate, so that the problem of blockage caused by adsorption at a certain position for a long time is solved, and as the annular purification and adsorption pad 1009 is rotatably arranged, the continuous replacement and use of a plurality of purification and adsorption pads are equivalent, the purification and adsorption life is prolonged, and the purification working hours are prolonged; and installation fixture block 1006 through setting up and the installation draw-in groove 1004 joint on connection pad 1003, the mutual attraction of rethread second magnet 1007 and first magnet 1005 is fixed, realizes the fixed work of quick installation of annular purification adsorption pad 1009, when dismantling, directly pull out it through handle 1010 can, it is very convenient to remove the change work promptly.
Although the illustrative embodiments of the present application have been described in order to enable those skilled in the art to understand the present application, the present application is not limited to these embodiments, and various modifications can be made within the spirit and scope of the present application as defined and defined by the appended claims.
Claims (10)
1. An intelligent gas production wellhead system comprises a gas production wellhead system main body (1), a blowout prevention pipe (2), a pressure gauge (3), an electric control pneumatic membrane valve (4) and a conveying pipeline (5), wherein the top end of the gas production wellhead system main body (1) is fixedly connected with the blowout prevention pipe (2) through a flange, one side of the bottom of the gas production wellhead system main body is connected with the pressure gauge (3), the electric control pneumatic membrane valve (4) is arranged on one side of the gas production wellhead system main body (1), the conveying pipeline (5) is connected onto the electric control pneumatic membrane valve (4), and a plunger gas lift device (11) is arranged in the blowout prevention pipe (2);
the method is characterized in that: the conveying pipeline (5) is fixedly provided with a connecting branch pipe (6), one end of the connecting branch pipe (6) is provided with a regulating mechanism (7) through flange connection, the regulating mechanism (7) monitors and regulates the pressure of gas in the conveying pipeline (5), the regulating mechanism (7) is connected with an auxiliary mechanism (8), the auxiliary mechanism (8) is connected with a purification assembly, and the purification assembly is matched with the regulating mechanism (7) and the auxiliary mechanism (8) to maintain the gas pressure in the conveying pipeline (5) within a standard pressure range;
the regulating mechanism (7) comprises a pipe body (701), a pressure monitor (702), a first air pump (703), a first control module (704), an external connecting pipe (705), an air storage bin (706), a bearing body (707), a control motor (708), a turntable (709) and a regulating through groove (710);
the auxiliary mechanism (8) comprises a second air pump (801), a second control module (802), a fixed body (803), a control telescopic rod (804), a third control module (805) and a blocking plate (806).
2. The intelligent gas production wellhead system according to claim 1, wherein: the pipe body (701) is fixedly connected and arranged at the end part of the connecting branch pipe (6), a pressure monitor (702) is fixedly arranged in the pipe body (701), a first air pump (703) is fixedly arranged in the pipe body (701), a first control module (704) is connected and arranged on the first air pump (703), the first control module (704) controls the suction work of the first air pump (703), an external pipe (705) is fixedly connected at one end of the pipe body (701) through a flange, an air storage bin (706) is connected and arranged on the external pipe (705), a bearing body (707) is fixedly arranged on the external pipe (705), a control motor (708) is fixedly arranged on the bearing body (707), the control motor (708) is connected and provided with a rotating disc (709), the rotating disc (709) is movably arranged in the bearing body (707), and a regulation and control through groove (710) is equidistantly arranged on the rotating disc (709).
3. The intelligent gas production wellhead system according to claim 2, wherein: the regulation through grooves (710) are uniformly distributed in a plurality of areas in the rotary table (709), the calibers of the regulation through grooves (710) in the same area are equal, and the calibers of the regulation through grooves (710) in different areas are different; namely, the caliber of the regulation through groove (710) between adjacent areas is gradually increased or decreased; the speed of pressure control of the conveying pipeline (5) is controlled through the regulating through grooves (710) with different calibers, so that the requirements of quick regulation and control as well as fine adjustment work can be met; and a regulation through groove (710) is not arranged at one position, and the pipe body (701) can be just plugged, so that the plugging work of the connecting branch pipe (6) is realized.
4. The intelligent gas production wellhead system according to claim 2, wherein: the two ends of the pipe body (701) are symmetrically and fixedly provided with flanges, one end of each flange is fixedly connected with the connecting branch pipe (6) through bolts, and the other end of each flange is fixedly connected with the outer connecting pipe (705) through bolts.
5. The intelligent gas production wellhead system according to claim 1, wherein: the second air pump (801) is fixedly arranged on the outer connecting pipe (705), the second air pump (801) is connected and provided with a second control module (802), the second control module (802) controls the suction work of the second air pump (801), the fixed body (803) is fixedly connected and arranged on the outer connecting pipe (705), a movable cavity is formed in the fixed body (803), a plugging plate (806) is movably arranged in the movable cavity, one end of the plugging plate (806) is fixedly arranged at one end of the control telescopic rod (804), the control telescopic rod (804) is fixedly connected and arranged in the fixed body (803), a third control module (805) is connected and arranged on one side of the control telescopic rod (804), the third control module (805) controls the extension and retraction of the control telescopic rod (804), and one end of the plugging plate (806) is arranged to be an arc-shaped surface.
6. The intelligent gas production wellhead system according to claim 5, wherein: the movable cavity in the fixing body (803) is communicated with the external connecting pipe (705), and the arc-shaped surface at one end of the plugging plate (806) is matched and attached to the inner side wall of the external connecting pipe (705).
7. The intelligent gas production wellhead system according to claim 1, wherein: the purification component can be selected from a first purification component (9) which comprises a mounting cap (901) and a disk-shaped purification adsorption pad (902); the mounting cap (901) is arranged at the position of the pipe orifice of the external connecting pipe (705) in a threaded connection manner, and a disc-shaped purification adsorption pad (902) is fixedly connected and arranged in the mounting cap (901).
8. The intelligent gas production wellhead system according to claim 1, wherein: the purification component can be a second purification component (10) which comprises a supporting disc (1001), a rotating motor (1002), a connecting disc (1003), an installation clamping groove (1004), a first magnet (1005), an installation clamping block (1006), a second magnet (1007), a supporting frame (1008), an annular purification adsorption pad (1009) and a handle (1010); the fixed tip that sets up in outer takeover (705) of supporting disk (1001), and the mouth of pipe of outer takeover (705) extends to supporting disk (1001), rotate motor (1002) and fix and set up on supporting disk (1001), and rotate motor (1002) and connect and be provided with connection pad (1003), and be provided with installation draw-in groove (1004) on connection pad (1003), fixed first magnet (1005) that is provided with in installation draw-in groove (1004), and installation draw-in groove (1004) and installation fixture block (1006) looks adaptation joint, fixed second magnet (1007) that is provided with on installation fixture block (1006), and installation fixture block (1006) fixed one side that sets up in support frame (1008), support frame (1008) fixed setting is in the inside wall of annular purification adsorption pad (1009), annular purification adsorption pad (1009) activity sets up in supporting disk (1001), handle (1010) fixed setting is in the outside wall of support frame (1008).
9. The intelligent gas production wellhead system according to claim 8, wherein: the annular purification adsorption pad (1009) is tightly attached to the support disc (1001), and the annular purification adsorption pad (1009) corresponds to the pipe orifice of the external connecting pipe (705); the second magnets (1007) are arranged at positions corresponding to the first magnets (1005) and have the same number of groups, and attract each other.
10. The intelligent gas production wellhead system according to claim 1, wherein: the pressure gauge (3) is an oil pipe pressure gauge and a sleeve pipe pressure gauge in the system; the automatic operation of the plunger gas lifting device (11) is realized by automatically monitoring the pressure of an oil pipe and the pressure of a sleeve and controlling the opening and closing of the electric control pneumatic membrane valve (4).
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| CN115680543B (en) | 2023-11-21 |
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