CN216381302U - Foam volleyball filling equipment and foam volleyball operating system - Google Patents
Foam volleyball filling equipment and foam volleyball operating system Download PDFInfo
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- CN216381302U CN216381302U CN202122274591.XU CN202122274591U CN216381302U CN 216381302 U CN216381302 U CN 216381302U CN 202122274591 U CN202122274591 U CN 202122274591U CN 216381302 U CN216381302 U CN 216381302U
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Abstract
The utility model relates to a foam discharging ball filling device and a foam discharging operation system, comprising: the foam volleyball filling cylinder is used for accommodating the foam volleyballs; the foam volleyball filling cylinder is provided with a foam volleyball filling opening; the foam volleyball filling cylinder is provided with an outlet and an inlet, the outlet is connected with a connecting pipe, and the connecting pipe is used for being connected with a corresponding gas production pipe opening of a gas production tree so as to fill foam volleyballs into a gas well oil pipe; the inlet is connected with a pressure guide pipe, the pressure guide pipe is provided with a pressure guide joint, and the pressure guide joint is used for being connected with a casing gas outlet of the gas production tree so as to introduce casing gas in a gas well casing into the foam volleyball filling cylinder and push the foam volleyball to enter an oil pipe by using the casing gas. The foam volleyball filling equipment provided by the utility model can effectively solve the technical problem of high production cost caused by the need of an external air source when the foam volleyball pressurized filling device in the prior art is used for filling.
Description
Technical Field
The utility model relates to foam discharging ball filling equipment and a foam discharging operation system.
Background
The internal structure of the existing gas production well generally comprises that an oil pipe is arranged in the gas production well, a sleeve is sleeved outside the oil pipe, a sleeve annulus is formed between the sleeve and the oil pipe, a gas production tree is arranged at a well mouth of the gas production well, a gas production pipe opening on the gas production tree is communicated with the oil pipe, and a sleeve gas outlet on the gas production tree is communicated with the sleeve annulus. Along with continuous exploitation of gas recovery wells, accumulated liquid in a shaft cannot be discharged by means of self energy due to reduction of formation pressure after entering a water-containing development stage, the accumulated liquid can be formed in an oil pipe, and even the shaft can be shut down by water flooding in severe cases. The existing foam drainage gas production technology has the characteristics of simple construction, quick response, low cost and the like, and is widely applied to various oil and gas fields at home and abroad. The commonly used foam discharging agents in the existing foam discharging technology are divided into liquid foam discharging agents and solid foam discharging agents, the liquid foam discharging agents are mainly pumped into a shaft through a plunger pump, but only can be in contact with the upper surface of accumulated liquid and cannot be settled to the bottom of a well, and the foam discharging effect is poor. The solid foam discharging agent is divided into a rod-shaped foam discharging agent and a spherical foam discharging agent, and the rod-shaped foam discharging agent is easily clamped at the position of a necking in the falling process in an oil pipe and cannot fall to the bottom of a well to be contacted with accumulated liquid. The spherical solid foam discharging agent is easier to fall to the bottom of the well in the adding process of the adding device, the contact area with accumulated liquid at the bottom of the well is larger, the foaming effect is more thorough, and the liquid discharging effect is better.
For example, the utility model discloses a chinese utility model patent of grant bulletin No. CN210622778U discloses a bubble volleyball area is pressed and is annotated device, the device is including being used for holding the bubble volleyball who treats the bubble volleyball in the injection well and annotating a section of thick bamboo, bubble volleyball adds an injection section of thick bamboo and is connected with the gas production mouth of gas production well through the connecting cylinder, bubble volleyball adds an injection section of thick bamboo and is equipped with the export of bubble volleyball with an injection section of thick bamboo towards the one end of connecting cylinder, bubble volleyball gets into the oil pipe of gas production well through the connecting cylinder in the export, bubble volleyball adds an injection section of thick bamboo and keeps away from to be equipped with bubble volleyball and adds an injection section of thick bamboo entry on the outer peripheral face of export one end, the entry is used for and pump truck intercommunication, the pump truck can go into in the bubble volleyball adds an injection section of thick bamboo with fluid pump to promote in bubble volleyball gets into the oil pipe, still be equipped with bubble volleyball mouth in addition on the injection section of thick bamboo.
When the foam volleyball pressurized filling device is used for filling, an inlet of a foam volleyball filling cylinder is required to be communicated with a pump truck, and fluid is pumped into the foam volleyball filling cylinder by the pump truck to push the foam volleyballs. Therefore, an external air source is required to be used as power during filling operation, and the cost during filling operation is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide foam volleyball filling equipment to solve the technical problem that in the prior art, an external air source is needed to be used for causing higher production cost when a foam volleyball pressurized filling device is used for filling. The utility model also provides a foam discharging operation system using the foam discharging ball filling equipment.
In order to achieve the purpose, the technical scheme of the foam volleyball filling equipment provided by the utility model is as follows:
the foam volleyball filling equipment comprises a foam volleyball filling cylinder for accommodating foam volleyballs, wherein a foam volleyball filling opening is formed in the foam volleyball filling cylinder; the foam volleyball filling cylinder is provided with an outlet and an inlet, the outlet is connected with a connecting pipe, and the connecting pipe is used for being connected with a corresponding gas production pipe opening of a gas production tree so as to fill foam volleyballs into a gas well oil pipe; the inlet is connected with a pressure guide pipe, the pressure guide pipe is provided with a pressure guide joint, and the pressure guide joint is used for being connected with a casing gas outlet of the gas production tree so as to introduce casing gas in a gas well casing into the foam volleyball filling cylinder and push the foam volleyball to enter an oil pipe by using the casing gas.
The beneficial effects are that: the foam volleyball filling equipment provided by the utility model comprises a foam volleyball filling cylinder, wherein an outlet of the foam volleyball filling cylinder is connected with a connecting pipe, an inlet of the foam volleyball filling cylinder is connected with a pressure guide pipe, and a pressure guide joint is arranged on the pressure guide pipe. During the filling operation, the connecting pipe is connected with a gas production pipe opening on a gas production tree, the pressure guide pipe is connected with a sleeve gas outlet of the gas production tree through the pressure guide joint, sleeve gas enters the foam volleyball filling cylinder through the pressure guide pipe, the foam volleyball is pushed by the sleeve gas of the gas production well to enter an oil pipe along the connecting pipe, and in the whole filling process, the foam volleyball filling equipment does not need to be connected with an external gas source, so that the cost of the filling operation is effectively saved.
As a further improvement, the pressure guide pipe is provided with an arc-shaped buffer pipe section, and the arc-shaped buffer pipe section is used for buffering sleeve gas entering the pressure guide pipe.
The beneficial effects are that: be equipped with arc buffer pipe section on the pressure pipe, sleeve pipe gas turns to at arc buffer pipe section and flows, turns to the in-process that flows, and sleeve pipe gas can diminish to the impact of pressure pipe, has avoided leading to sleeve pipe gas to produce great impact to the pressure pipe because of the atmospheric pressure of sleeve pipe gas is too high.
As a further improvement, the arc buffer pipe section is of a U-shaped structure, the U-shaped arc buffer pipe section comprises an upper pipe section, a lower pipe section and a middle transition pipe section, the upper pipe section is used for being connected with an inlet of the foam volleyball filling barrel, the lower pipe section is used for being connected with a sleeve gas outlet of the gas production tree, and the middle transition pipe section is used for communicating the upper pipe section with the lower pipe section.
The beneficial effects are that: the arc buffer pipe section is U-shaped structure, and the arc buffer pipe section of U-shaped includes pipeline section, lower pipe section and middle transition pipeline section, designs like this in order to utilize two ports of U-shaped structure all in the middle transition pipeline section with the same characteristics of one side, when raising bubble volleyball and adding the notes section, has also made things convenient for being connected of bubble volleyball with the notes section of thick bamboo and connecting pipe.
As a further improvement, a pressure guide straight pipe section is arranged between the lower pipe section and a sleeve gas outlet of the gas production tree.
The beneficial effects are that: the design is like this to avoid the low tube section overlength, leads to the transport difficulty, in addition if the low tube section also can lead to the whole weight overweight of pressure pipe as whole with pressure pipe straight tube section, increases the equipment degree of difficulty.
As a further improvement, the connecting pipe and the foam volleyball filling cylinder support are placed above the pressure guide straight pipe section, and a support structure is arranged below the pressure guide straight pipe section and used for forming a support for the foam volleyball filling equipment.
The beneficial effects are that: the connecting pipe and the foam volleyball filling cylinder are supported and placed above the pressure guide straight pipe section, so that the whole foam volleyball filling equipment can be supported only by arranging the supporting structure below the pressure guide straight pipe section, and the workload during installation is reduced.
As a further improvement, the connecting pipe comprises a descending pipe section, the descending pipe section extends along the up-down direction, the upper end of the descending pipe section is used for being communicated with the outlet of the foam volleyball filling cylinder, and the lower end of the descending pipe section is used for being communicated with the corresponding gas production pipe opening of the gas production tree, so that effusion in the oil pipe of the gas well is prevented from ascending to enter the foam volleyball filling cylinder.
The beneficial effects are that: the connecting pipe includes down the pipeline section, down the pipeline section along extending from top to bottom, down the upper end of pipeline section be used for with the export intercommunication of bubble volleyball notes section of thick bamboo, down the lower extreme of pipeline section be used for with the gas production mouth of pipe intercommunication of gas production tree, the design is when going upward to down the pipeline section in oil pipe through the gas production mouth of pipe, utilize the gravity of hydrops self, make the hydrops can't cross down the pipeline section, avoided the hydrops to get into in the bubble volleyball notes section of thick bamboo and cause the destruction to the bubble volleyball.
As a further improvement, the connecting pipe comprises a U-shaped pipe section, one side of the U-shaped pipe section is used for forming the descending pipe section, the other side of the U-shaped pipe section is used for connecting an inclined pipe section, and the inclined pipe section is used for communicating the upper end of the descending pipe section with the outlet of the foam volleyball filling cylinder.
The beneficial effects are that: one side of the U-shaped pipe section is used for forming a descending pipe section, the other side of the U-shaped pipe section is used for connecting an inclined pipe section, and the design is that the U-shaped structure is simultaneously provided with the pipe section extending along the up-down direction and the pipe section in arc transition, so that the ascending pipe section is not required to be separately processed into the arc transition section when being connected with the inclined pipe section, the processing cost is saved, and the installation procedure is reduced.
As a further improvement, the inclined pipe section is connected with the outlet of the foam volleyball filling cylinder through an arc pipe section.
The beneficial effects are that: the inclined pipe section is connected with the outlet of the foam volleyball filling cylinder through the arc pipe section, and the design is that the foam volleyballs in the foam volleyball filling cylinder can easily enter the connecting pipe conveniently.
As a further improvement, the foam volleyball filling cylinder is an inverted T-shaped pipe, the inverted T-shaped pipe comprises a horizontal pipe and a vertical pipe, the horizontal pipe is provided with the inlet and the outlet, the horizontal pipe is used for containing the foam volleyballs, the vertical pipe is provided with a foam volleyball filling port, and the foam volleyball filling port is provided with a detachable plug.
The beneficial effects are that: the horizontal pipe is provided with the inlet and the outlet and is used for containing the foam volleyballs, and the design is convenient for the arrangement of the foam volleyball filling cylinders; the vertical pipe is provided with a foam volleyball filling opening, and the design is that the foam volleyball can easily enter the horizontal pipe due to gravity factors when the foam volleyball is filled conveniently.
A foam discharging operation system comprises a gas production well and foam discharging ball filling equipment:
the gas production well comprises an oil pipe and a casing annulus, a gas production tree is arranged at the wellhead of the gas production well, a gas production pipe opening and a casing gas outlet are formed in the gas production tree, the gas production pipe opening is communicated with the oil pipe, and the casing gas outlet is communicated with the casing annulus; and a connecting pipe of the foam volleyball filling equipment is connected with the gas production pipe opening, and a pressure guide pipe of the foam volleyball filling equipment is communicated with the sleeve gas outlet.
Foam volleyball filling equipment includes: the foam volleyball filling cylinder is used for accommodating foam volleyballs; the foam volleyball filling cylinder is provided with a foam volleyball filling opening; the foam volleyball filling cylinder is provided with an outlet and an inlet, the outlet is connected with a connecting pipe, and the connecting pipe is used for being connected with a corresponding gas production pipe opening of a gas production tree so as to fill foam volleyballs into a gas well oil pipe;
the inlet is connected with a pressure guide pipe, the pressure guide pipe is provided with a pressure guide joint, and the pressure guide joint is used for being connected with a casing gas outlet of the gas production tree so as to introduce casing gas in a gas well casing into the foam volleyball filling cylinder and push the foam volleyball to enter an oil pipe by using the casing gas.
The beneficial effects are that: the foam volleyball filling equipment provided by the utility model comprises a foam volleyball filling cylinder, wherein an outlet of the foam volleyball filling cylinder is connected with a connecting pipe, an inlet of the foam volleyball filling cylinder is connected with a pressure guide pipe, and a pressure guide joint is arranged on the pressure guide pipe. During the filling operation, the connecting pipe is connected with a gas production pipe opening on a gas production tree, the pressure guide pipe is connected with a sleeve gas outlet of the gas production tree through the pressure guide joint, sleeve gas enters the foam volleyball filling cylinder through the pressure guide pipe, the foam volleyball is pushed by the sleeve gas of the gas production well to enter an oil pipe along the connecting pipe, and in the whole filling process, the foam volleyball filling equipment does not need to be connected with an external gas source, so that the cost of the filling operation is effectively saved.
As a further improvement, the pressure guide pipe is provided with an arc-shaped buffer pipe section, and the arc-shaped buffer pipe section is used for buffering sleeve gas entering the pressure guide pipe.
The beneficial effects are that: be equipped with arc buffer pipe section on the pressure pipe, sleeve pipe gas turns to at arc buffer pipe section and flows, turns to the in-process that flows, and sleeve pipe gas can diminish to the impact of pressure pipe, has avoided leading to sleeve pipe gas to produce great impact to the pressure pipe because of the atmospheric pressure of sleeve pipe gas is too high.
As a further improvement, the arc buffer pipe section is of a U-shaped structure, the U-shaped arc buffer pipe section comprises an upper pipe section, a lower pipe section and a middle transition pipe section, the upper pipe section is used for being connected with an inlet of the foam volleyball filling barrel, the lower pipe section is used for being connected with a sleeve gas outlet of the gas production tree, and the middle transition pipe section is used for communicating the upper pipe section with the lower pipe section.
The beneficial effects are that: the arc buffer pipe section is U-shaped structure, and the arc buffer pipe section of U-shaped includes pipeline section, lower pipe section and middle transition pipeline section, designs like this in order to utilize two ports of U-shaped structure all in the middle transition pipeline section with the same characteristics of one side, when raising bubble volleyball and adding the notes section, has also made things convenient for being connected of bubble volleyball with the notes section of thick bamboo and connecting pipe.
As a further improvement, a pressure guide straight pipe section is arranged between the lower pipe section and a sleeve gas outlet of the gas production tree.
The beneficial effects are that: the design is like this to avoid the low tube section overlength, leads to the transport difficulty, in addition if the low tube section also can lead to the whole weight overweight of pressure pipe as whole with pressure pipe straight tube section, increases the equipment degree of difficulty.
As a further improvement, the connecting pipe and the foam volleyball filling cylinder support are placed above the pressure guide straight pipe section, and a support structure is arranged below the pressure guide straight pipe section and used for forming a support for the foam volleyball filling equipment.
The beneficial effects are that: the connecting pipe and the foam volleyball filling cylinder are supported and placed above the pressure guide straight pipe section, so that the whole foam volleyball filling equipment can be supported only by arranging the supporting structure below the pressure guide straight pipe section, and the workload during installation is reduced.
As a further improvement, the connecting pipe comprises a descending pipe section, the descending pipe section extends along the up-down direction, the upper end of the descending pipe section is used for being communicated with the outlet of the foam volleyball filling cylinder, and the lower end of the descending pipe section is used for being communicated with the corresponding gas production pipe opening of the gas production tree, so that effusion in the oil pipe of the gas well is prevented from ascending to enter the foam volleyball filling cylinder.
The beneficial effects are that: the connecting pipe includes down the pipeline section, down the pipeline section along extending from top to bottom, down the upper end of pipeline section be used for with the export intercommunication of bubble volleyball notes section of thick bamboo, down the lower extreme of pipeline section be used for with the gas production mouth of pipe intercommunication of gas production tree, the design is when going upward to down the pipeline section in oil pipe through the gas production mouth of pipe, utilize the gravity of hydrops self, make the hydrops can't cross down the pipeline section, avoided the hydrops to get into in the bubble volleyball notes section of thick bamboo and cause the destruction to the bubble volleyball.
As a further improvement, the connecting pipe comprises a U-shaped pipe section, one side of the U-shaped pipe section is used for forming the descending pipe section, the other side of the U-shaped pipe section is used for connecting an inclined pipe section, and the inclined pipe section is used for communicating the upper end of the descending pipe section with the outlet of the foam volleyball filling cylinder.
The beneficial effects are that: one side of the U-shaped pipe section is used for forming a descending pipe section, the other side of the U-shaped pipe section is used for connecting an inclined pipe section, and the design is that the U-shaped structure is simultaneously provided with the pipe section extending along the up-down direction and the pipe section in arc transition, so that the ascending pipe section is not required to be separately processed into the arc transition section when being connected with the inclined pipe section, the processing cost is saved, and the installation procedure is reduced.
As a further improvement, the inclined pipe section is connected with the outlet of the foam volleyball filling cylinder through an arc pipe section.
The beneficial effects are that: the inclined pipe section is connected with the outlet of the foam volleyball filling cylinder through the arc pipe section, and the design is that the foam volleyballs in the foam volleyball filling cylinder can easily enter the connecting pipe conveniently.
As a further improvement, the foam volleyball filling cylinder is an inverted T-shaped pipe, the inverted T-shaped pipe comprises a horizontal pipe and a vertical pipe, the horizontal pipe is provided with the inlet and the outlet, the horizontal pipe is used for containing the foam volleyballs, the vertical pipe is provided with a foam volleyball filling port, and the foam volleyball filling port is provided with a detachable plug.
The beneficial effects are that: the horizontal pipe is provided with the inlet and the outlet and is used for containing the foam volleyballs, and the design is convenient for the arrangement of the foam volleyball filling cylinders; the vertical pipe is provided with a foam volleyball filling opening, and the design is that the foam volleyball can easily enter the horizontal pipe due to gravity factors when the foam volleyball is filled conveniently.
Drawings
Fig. 1 is a schematic structural diagram of a foam volleyball filling device provided by the utility model.
Description of reference numerals:
1. gas production trees; 11. no. 6 gate valve; 12. no. 7 gate valve; 13. needle valve No. 11; 14. an oil pressure gauge; 15. a wellhead gas production line; 16. a back pressure valve; 2. a wellhead connector; 21. a double male connector of the sleeve; 22. sleeving and pressing the meter; 23. an oil pipe double male joint; 3. a pressure guide pipe; 31. a first oil union; 32. guiding and pressing the straight pipe section; 33. a second oil union; 34. guiding and pressing the U-shaped pipe section; 35. an upper pipe section; 36. a lower pipe section; 37. a middle transition pipe section; 4. adding a foam volleyball filling cylinder; 41. a first ball valve; 42. a horizontal tube; 43. a vertical tube; 44. the plug can be disassembled; 45. soaking volleyballs; 46. a second ball valve; 47. a foam volleyball filling port; 5. a connecting pipe; 51. the arc-shaped connecting pipe section; 52. a third oil union; 53. the connecting pipe section is inclined; 54. a fourth oil union; 55. a U-shaped connecting pipe section; 56. a fifth oil union; 6. buttress; 61. cement base dun; 62. a strut; 63. semi-circular slips.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrase "comprising an … …" do not exclude the inclusion of such elements in processes or methods.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
The present invention will be described in further detail with reference to examples.
The specific embodiment 1 of the foam discharging operation system provided by the utility model:
the foam discharging operation system comprises a gas production well and foam discharging ball filling equipment, wherein an oil pipe is arranged in the gas production well, a sleeve is sleeved outside the oil pipe, a sleeve annulus is formed between the sleeve and the oil pipe, a gas production tree 1 is arranged at a wellhead of the gas production well, a gas production pipe opening and a sleeve gas outlet are formed in the gas production tree, the gas production pipe opening is communicated with the oil pipe, and the sleeve gas outlet is communicated with the sleeve annulus. When filling operation is needed, a connecting pipe 5 of the foam volleyball filling device is connected with a gas production pipe opening, a pressure guide pipe 3 of the foam volleyball filling device is communicated with a sleeve gas outlet, and the foam volleyball 45 is pushed to enter an oil pipe by virtue of sleeve gas in a sleeve annulus. Therefore, the foam volleyball 45 can be filled without an external air source during filling operation, and the cost during operation is reduced.
Specifically, as shown in fig. 1, the foam volleyball filling cylinder 4 is an inverted T-shaped pipe and includes a horizontal pipe 42 and a vertical pipe 43, the horizontal pipe 42 is a pressure-resistant rigid steel pipe for containing foam volleyballs 45, the horizontal pipe 42 extends in the front-rear direction, the horizontal pipe 42 is a cylindrical structure with two open ends, the front end opening of the horizontal pipe 42 is an outlet of the foam volleyball filling cylinder 4 and is used for communicating with the connecting pipe 5, and the rear end opening of the horizontal pipe 42 is an inlet of the foam volleyball filling cylinder 4 and is used for connecting with the pressure guide pipe 3. The outlet of the foam volleyball filling cylinder 4 is provided with a second ball valve 46, the second ball valve 46 is used for controlling the on-off of the foam volleyball filling cylinder 4 and the connecting pipe 5, the inlet of the foam volleyball filling cylinder 4 is provided with a first ball valve 41, and the first ball valve 41 is used for controlling the on-off of the foam volleyball filling cylinder 4 and the pressure guide pipe 3. In this embodiment, for guaranteeing the promotion effect of sleeve pipe gas to bubble volleyball 45, the internal diameter that can set up bubble volleyball and add a section of thick bamboo 4, connecting pipe 5 and pressure pipe 3 all is 1mm ~2mm than the external diameter of bubble volleyball 45 big usually.
In this embodiment, be equipped with bubble volleyball on the vertical pipe 43 and fill mouth 47, bubble volleyball fills mouth 47 department and is connected with removable end cap 44, and removable end cap 44 comprises nut and screw rod, fills through the thread sealing cooperation between the mouth 47 with the bubble volleyball, and the height of screw thread is the same on the height and the screw rod of vertical pipe 43, and the bottommost end face and the 42 cambered surface topmost of horizontal pipe of screw rod flush, and the setting is for the convenience of the safe quick packing of bubble volleyball 45 like this, the card ball phenomenon does not appear. In addition, a pressure relief valve (not shown) is further provided on the foam volleyball filling cylinder 4, and the pressure relief valve is prior art and will not be described in more detail here.
In this embodiment, as shown in fig. 1, the pressure guiding pipe 3 includes a pressure guiding straight pipe section 32 and a pressure guiding U-shaped pipe section, wherein one end of the pressure guiding straight pipe section 32 is provided with a first oil union 31, the first oil union 31 is used for forming the pressure guiding union, the first oil union 31 is used for connecting with a casing gas outlet of the gas production tree, the other end of the pressure guiding straight pipe section 32 is provided with a second oil union 33, and the second oil union 33 is used for connecting with the pressure guiding U-shaped pipe section. The pressure guiding U-shaped pipe section is used for forming an arc-shaped buffer pipe section and is used for buffering sleeve gas in the pressure guiding pipe 3, the pressure guiding U-shaped pipe section comprises an upper pipe section 35, a lower pipe section 36 and a middle transition pipe section 37, wherein the upper pipe section 35 is connected with an inlet of the foam volleyball filling barrel 4, the lower pipe section 36 is communicated with the pressure guiding straight pipe section 32 through a second oil union joint 33, and the middle transition pipe section 37 is used for communicating the upper pipe section 35 with the lower pipe section 36.
In this embodiment, as shown in fig. 1, the connection pipe 5 includes a U-shaped pipe section, an inclined pipe section and an arc-shaped pipe section, wherein the left side of the U-shaped pipe section is used for forming a descending pipe section, the descending pipe section extends along the up-down direction, the lower end of the descending pipe section is communicated with the gas production pipe opening of the gas production tree through a fifth oil union 56, the upper end of the descending pipe section is communicated with the outlet of the bubble volleyball 45 ball filling cylinder, when the effusion in the gas well oil pipe ascends along the gas production pipe opening of the gas production tree, the effusion is influenced by self gravity in the descending pipe section and cannot cross the descending pipe section, so that the effusion cannot enter the bubble volleyball filling cylinder 4. The right side of the U-shaped pipe section is communicated with the left end of the inclined pipe section through a fourth oil union 54, and the right end of the inclined pipe section is communicated with the outlet of the foam volleyball filling cylinder 4 through an arc-shaped pipe section.
In this embodiment, the connecting pipe 5 and the foam volleyball filling cylinder 4 are supported and placed above the pressure guide straight pipe section 32, in order to ensure the stability of the foam volleyball filling device, the buttress 6 is arranged below the pressure guide straight pipe section 32, the buttress 6 is used for forming a supporting structure, the buttress 6 comprises a cement-based pier 61, a supporting rod 62 and a semicircular slip 63, the cement-based pier 61 is in a frustum pyramid shape, the upper surface and the lower surface are square and small, the upper surface and the lower surface are large, the side length of the upper surface square is half of the side length of the lower surface square, the four surfaces are trapezoidal, the height of the trapezoidal shape is the same as the side length of the upper surface square, the supporting rod 62 is solidified in the cement-based pier 61, the slip is welded on the supporting rod 62, the cross section of the slip is semicircular, the inner diameter of the slip is slightly larger than the outer diameter of the pressure guide straight pipe section 32, and the buttress 6 is integrally supported at the middle part of the pressure guide straight pipe section 32.
In this embodiment, as shown in fig. 1, the gas production tree 1 is 11 valve type, the gas production tree is provided with 10 needle valves, 7 gate valve 12 and 6 gate valve 11, wherein the 10 needle valves are connected with the gas production pipeline of the gas collection station, the gas production pipeline is sequentially provided with an oil pressure gauge 14 and a back pressure valve 16 along the direction of the gas flow collection station, the 7 gate valve 12 is provided with a gas production pipe orifice, the gas production pipe orifice is communicated with the oil pipe through an oil pipe double male joint 23, the 6 gate valve 11 is provided with a sleeve gas outlet, the sleeve gas outlet is communicated with the sleeve annulus through a sleeve pipe double male joint 21, the oil pipe double male joint 23 and the sleeve pipe double male joint 21 both belong to the wellhead connector 2, and other joints can be adopted in other embodiments.
Before filling operation, the tightness of the foam volleyball filling device needs to be checked, and the method specifically comprises the steps of firstly closing a No. 7 gate valve 12, opening a No. 6 gate valve 11 to enable sleeve gas in a gas production well sleeve to fill the foam volleyball filling device, then closing the No. 6 gate valve 11, observing the value of a sleeve pressure gauge 22, if the value of the sleeve pressure gauge 22 tends to be stable, indicating that the tightness of the foam volleyball filling device is good, opening a pressure release valve to release the pressure of the foam volleyball filling device, and starting the filling operation after the pressure release is completed.
During the filling operation, the detachable plug 44 of the foam volleyball filling barrel 4 is firstly detached, the foam volleyball filling opening 47 of the foam volleyball filling barrel 4 is opened, the foam volleyballs 45 are placed into the horizontal pipe 42, the detachable plug 44 is installed, the No. 7 gate valve 12 of the gas production tree 1 is slowly opened to enable the whole connecting pipe 5 to be filled with the airflow in the oil pipe, the No. 6 gate valve 11 of the gas production tree 1 is opened to enable the sleeve pipe airflow to be filled in the integral pressure guide pipe 3, finally, the first ball valve 41 and the second ball valve 46 are opened simultaneously, the foam volleyball 45 is pushed to be sent into the oil pipe along the connecting pipe 5 by the oil jacket pressure difference of the gas well, when the readings of the oil pressure meter 14 and the sleeve pressure meter 22 are approximately the same, the air pressure in the oil pipe is equal to the air pressure in the sleeve ring, and the foam volleyball 45 can be determined to fall into the well bottom when being influenced by gravity. That is, the external operator can determine the state of the foam discharging balls 45 by observing the readings of the oil pressure gauge 14 and the sleeve pressure gauge 22. After the foam volleyball 45 in the foam volleyball filling cylinder 4 is filled, the first ball valve 41 and the second ball valve 46 are closed simultaneously, the pressure release valve is opened to release the pressure of the foam volleyball filling cylinder 4, and the foam volleyball 45 can be filled for many times by repeating the foam volleyball filling process after the pressure release is finished. When the foam volleyball 45 is in contact with the accumulated liquid in the oil pipe, the reaction is fully performed, and the foam drainage emptying operation can be performed by utilizing drainage emptying equipment.
If the liquid loading of the gas well is serious, after the foam discharging ball 45 is filled, the back pressure valve 16 on the wellhead gas production line 15 is closed, the first ball valve 41 and the second ball valve 46 are kept normally open for 1 day-2 days, the characteristic that the pressure difference of an oil sleeve of the water flooded well is large is utilized, the sleeve gas flow is continuously utilized to fully stir the gas-liquid-foam three-phase fluid in the oil pipe, the liquid loading in the oil pipe enters the annular space of the sleeve, the height of the liquid loading in the oil pipe is reduced, after the pressure is filled for 1 day-2 days, the back pressure valve 161 on the wellhead gas production line 15 is opened to carry out pressure reduction and liquid carrying for 6-8 hours in the station, and therefore the water flooded well carries out autonomous re-production, the re-production construction operation cost is reduced, and the production time rate of the gas well is improved.
According to the foam discharging operation system provided by the embodiment, the casing gas of the gas production well is used as a power source of the foam discharging ball filling device, so that the foam discharging ball filling device does not need to use an external gas source during filling operation, and the filling operation cost is reduced.
The foam discharging operation system provided by the utility model solves the problems of high labor intensity, high operation risk and poor safety in the existing foam discharging ball filling technology by adopting the fixed foam discharging ball filling system device. Finally, the pressure difference type foam volleyball filling system device integrating drainage and production recovery is realized.
The specific embodiment 2 of the foam discharging operation system provided by the utility model:
the main difference between the foam volleyball filling device and the embodiment is that in the embodiment 1, only one foam volleyball filling cylinder is arranged in the foam volleyball filling device. In this embodiment, the foam volleyball filling device includes a plurality of foam volleyball filling cylinders, and each foam volleyball filling cylinder is provided with an inlet and an outlet, and the inlet of each foam volleyball filling cylinder is communicated with the gas production pipe opening, and the outlet of each foam volleyball filling cylinder is communicated with the casing gas outlet. Valves are arranged at the outlet and the inlet of each foam volleyball filling cylinder.
The embodiment 3 of the foam discharging operation system provided by the utility model:
the main difference between the embodiment and the embodiment is that in the embodiment 1, the arc-shaped buffer pipe section is in a U-shaped structure. In this embodiment, the arc buffer pipe section is a C-shaped structure, the C-shaped structure is provided with an upper port and a lower port, the lower port is used for communicating with the casing gas outlet, and the upper port is used for communicating with the inlet of the foam volleyball filling device.
The embodiment 4 of the foam discharging operation system provided by the utility model:
the main difference between the pressure pipe and the embodiment is that in embodiment 1, the arc buffer pipe section of the pressure pipe adopts a U-shaped arc buffer pipe section, and the U-shaped arc buffer pipe section is arranged along the vertical direction. In this embodiment, the arc buffer pipe section of the pressure guiding pipe adopts an S-shaped arc buffer pipe section, and the S-shaped arc buffer pipe section is arranged along the horizontal direction.
The specific embodiment 5 of the foam discharging operation system provided by the utility model:
the main difference from the embodiment is that in embodiment 1 the down leg section is formed by one side of the U-shaped leg section. In this embodiment, the descending pipe section is a straight pipe section extending in the up-down direction, the lower end of the straight pipe section is communicated with the gas production pipe opening, and the upper end of the branch pipe section is communicated with the inclined pipe section through the arc pipe section.
The embodiment 6 of the foam discharging operation system provided by the utility model:
the main difference between the embodiment and the gas production tree is that in embodiment 1, the gas production tree is 11-valve type. In this embodiment, the gas production tree may be of other types, and it is only necessary to ensure that the gas production tree is provided with a gas production pipe opening and a casing gas outlet, regardless of the type of the gas production tree.
Embodiment 7 of the foam discharging operation system provided by the present invention:
the main difference between the foam volleyball filling cylinder and the embodiment is that in the embodiment 1, the inner diameters of the foam volleyball filling cylinder, the connecting pipe and the pressure guide pipe are 1 mm-2 mm larger than the outer diameter of the foam volleyball. In this embodiment, the internal diameter of bubble volleyball filling section of thick bamboo, connecting pipe and connecting pipe all compares the difference between the external diameter of bubble volleyball and can set for according to actual conditions, need to guarantee that sleeve pipe gas can promote the removal of bubble volleyball, generally can not set up too big, and too big can lead to sleeve pipe gas to pass through from the clearance between bubble volleyball and the pipe fitting, can not play the impetus to the bubble volleyball.
The embodiment 8 of the foam discharging operation system provided by the utility model:
the main difference from the embodiment is that in embodiment 1, the support structure is a buttress. In this embodiment, the supporting structure is a supporting frame, and the supporting frame is provided with a base and a pushing structure for supporting the pressure guide straight pipe. In addition, the supporting structure can be arranged at multiple positions, for example, the supporting structure is arranged below the connecting pipe, the pressure guide pipe and the foam volleyball filling cylinder.
The specific embodiment 1 of the foam volleyball filling device provided by the utility model is as follows:
the foam volleyball filling device in this embodiment is the same as the foam volleyball filling device in the foam volleyball operation system, and the specific structure is not described herein again.
In other embodiments, the foam discharging ball filling device may also adopt the structure in any one of embodiments 2 to 8 of the foam discharging operation system, and will not be described herein again.
Finally, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments without departing from the inventive concept, or some of the technical features may be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A foam volleyball filling device comprises a foam volleyball filling cylinder (4) for accommodating foam volleyballs (45), wherein a foam volleyball filling port (47) is formed in the foam volleyball filling cylinder (4); the foam volleyball filling cylinder (4) is provided with an outlet and an inlet, the outlet is connected with a connecting pipe (5), and the connecting pipe (5) is used for being connected with a corresponding gas production pipe opening of the gas production tree (1) so as to fill the foam volleyballs (45) into the gas well oil pipe; the gas production tree gas production device is characterized in that the inlet is connected with a pressure guide pipe (3), the pressure guide pipe (3) is provided with a pressure guide joint, the pressure guide joint is used for being connected with a casing gas outlet of the gas production tree (1) so as to introduce casing gas in a gas well casing into a foam volleyball filling cylinder (4), and the casing gas is used for pushing the foam volleyball (45) into an oil pipe.
2. The foam volleyball filling apparatus according to claim 1, wherein the pressure pipe (3) is provided with an arc-shaped buffer pipe section for buffering casing gas entering the pressure pipe (3).
3. The foam volleyball filling apparatus according to claim 2, wherein the arc-shaped buffer pipe section is of a U-shaped structure, the U-shaped arc-shaped buffer pipe section comprises an upper pipe section (35), a lower pipe section (36) and an intermediate transition pipe section (37), the upper pipe section (35) is used for being connected with an inlet of the foam volleyball filling barrel (4), the lower pipe section (36) is used for being connected with a casing gas outlet of the gas production tree (1), and the intermediate transition pipe section (37) is used for communicating the upper pipe section (35) with the lower pipe section (36).
4. Foam volleyball filling apparatus according to claim 3, wherein a pressure-guiding straight pipe section (32) is arranged between the lower pipe section (36) and a casing gas outlet of the gas production tree (1).
5. Foam volleyball filling apparatus according to claim 4, wherein the connection pipe (5) and the foam volleyball filling cartridge (4) are placed in a supported manner above the pressure guide straight pipe section (32), and a support structure is arranged below the pressure guide straight pipe section (32) and is used for forming a support for the foam volleyball filling apparatus.
6. The foam volleyball filling apparatus according to any one of claims 1 to 5, wherein the connecting pipe (5) comprises a descending pipe section extending in an up-down direction, an upper end of the descending pipe section is used for communicating with an outlet of the foam volleyball filling barrel (4), and a lower end of the descending pipe section is used for communicating with a corresponding gas production pipe opening of the gas production tree (1) and preventing accumulated liquid in a gas well oil pipe from ascending into the foam volleyball filling barrel (4).
7. A foam volleyball filling apparatus according to claim 6, wherein the connection pipe (5) includes a U-shaped pipe section, one side of the U-shaped pipe section is used to form the descending pipe section, and the other side of the U-shaped pipe section is used to connect an inclined pipe section for communicating the upper end of the descending pipe section with the outlet of the foam volleyball filling cylinder (4).
8. The foam-volleyball filling apparatus according to claim 7, wherein the inclined pipe section is connected with the outlet of the foam-volleyball filling barrel (4) through an arc-shaped pipe section.
9. A foam volleyball filling apparatus according to any one of claims 1 to 5, wherein the foam volleyball filling barrel (4) is an inverted T-shaped pipe, the inverted T-shaped pipe comprises a horizontal pipe (42) and a vertical pipe (43), the horizontal pipe (42) is provided with the inlet and the outlet, the horizontal pipe (42) is used for containing foam volleyballs (45), the vertical pipe (43) is provided with a foam volleyball filling port (47), and the foam volleyball filling port (47) is provided with a detachable plug (44).
10. A foam discharging operation system comprises a gas production well and foam discharging ball filling equipment:
the gas production well comprises an oil pipe and a casing annulus, a gas production tree (1) is arranged at the wellhead of the gas production well, a gas production pipe orifice and a casing gas outlet are arranged on the gas production tree (1), the gas production pipe orifice is communicated with the oil pipe, and the casing gas outlet is communicated with the casing annulus;
the foam volleyball filling device is characterized in that the foam volleyball filling device according to any one of claims 1 to 9 is adopted, a connecting pipe (5) of the foam volleyball filling device is connected with the gas production pipe opening, and a pressure guide pipe (3) of the foam volleyball filling device is communicated with the sleeve gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122274591.XU CN216381302U (en) | 2021-09-18 | 2021-09-18 | Foam volleyball filling equipment and foam volleyball operating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122274591.XU CN216381302U (en) | 2021-09-18 | 2021-09-18 | Foam volleyball filling equipment and foam volleyball operating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216381302U true CN216381302U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122274591.XU Active CN216381302U (en) | 2021-09-18 | 2021-09-18 | Foam volleyball filling equipment and foam volleyball operating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216381302U (en) |
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2021
- 2021-09-18 CN CN202122274591.XU patent/CN216381302U/en active Active
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