A horizontal well sand control staged accurate production string and method

Abstract

This invention discloses a segmented precision production allocation string and method for horizontal wells. The string includes a segmented production allocation string for sand control and a completion production allocation control string. The segmented production allocation string contains at least two wireless production allocation and sand control units, each containing a wireless production allocater. The completion production allocation control string includes a pump and a wired controller. The number of wired controllers and wireless production allocaters are identical and correspond one-to-one. The wired controllers and wireless production allocaters can wirelessly transmit signals to each other. This invention pre-installs the wireless production allocaters on the sand control string, applying multiple wireless production allocaters within the sand control string, reducing construction steps and lowering construction difficulty. This invention significantly improves the balanced production allocation capability of horizontal wells, providing an advanced technical means for the long-term development of horizontal wells.

Description

Technical Field

[0001] This invention relates to the field of oilfield development technology, specifically to a method and technique for precise production string allocation in horizontal well sand control sections. Background Technology

[0002] Sandstone reservoirs are widely distributed in many discovered oilfields, and their development methods are diverse. With advancements in drilling and oil production technologies, horizontal well development has gradually become the mainstream approach. Horizontal wells offer significant advantages over vertical and deviated wells in terms of reservoir activation and production improvement. However, they still have several shortcomings in later-stage development and related measures. For example, for certain similar measures, horizontal wells carry higher risks, higher costs, and lower effectiveness. The reasons for this are twofold: firstly, the wellbore structure of horizontal wells: the production rate at the root of a typical horizontal well is much higher than at the toe, making it prone to water coning. The horizontal wellbore structure also increases the requirements for the adaptability of downhole tools. Secondly, existing reservoir technologies have significant discrepancies between their descriptions of reservoir properties and actual conditions, leading to increasing development challenges and consequently, a gradual decline in development effectiveness.

[0003] To address the above issues, various oilfields have conducted multiple trials and applications of horizontal well balanced production technology. The main technologies include controlled-fluid-filtering sand pipe technology and horizontal well segmented selective production technology. Controlled-fluid-filtering sand pipe technology primarily achieves balanced production by controlling the fluid inflow to different horizontal sections through the throttling of the controlled-fluid valve at the end of the filter pipe (or the length of the controlled-fluid channel). However, this requires a precise understanding of the production contribution rate of each horizontal section to achieve true balanced production. Horizontal well segmented selective production technology, on the other hand, can only be applied after sand control construction has been carried out on the well or after sand control has been implemented. Therefore, its practical application in the field is significantly limited.

[0004] Announcement No. CN217176581U discloses a horizontal well intelligent segmented pressure-driven water injection and oil production integrated tubing string, which, from top to bottom, includes an integrated injection and production pump, a safety joint, a reverse circulation valve, a hydraulic anchor, a casing protection packer, a water injection packer, an intelligent water distribution tool, an intelligent production distribution tool, and a check valve. Multiple water injection packers are installed on the horizontal water injection well section, dividing it into several packer segments. An intelligent production distribution tool is installed in the middle of the preceding packer segment, and another intelligent production distribution tool is installed in the middle of the adjacent following packer segment. A check valve is located at the end of the horizontal water injection pipe.

[0005] The existing technology adopts a fully wireless transmission solution and only has two functions: on and off. That is, the intelligent water distribution tool is turned on and the intelligent production distribution tool is turned off when water is injected; and the intelligent water distribution tool is turned off and the intelligent production distribution tool is turned on when oil is extracted. This is significantly different from the present invention. In the present invention, a wired controller is controlled by a cable, and the wired controller and the wireless production distribution device communicate wirelessly. In addition to realizing the on and off functions, the flow rate can also be controlled.

[0006] Announcement No. CN110630227B discloses an insertion tool, a stratified production tubing string, and a method for running the stratified production tubing string. The insertion tool includes a positioning component and a hydraulic release component. An insertion tool is fixedly connected to the upper end of the production tubing string. The positioning component is partially inserted into the cavity of the insertion tool, and the hydraulic release component is inserted into the cavity of the positioning component. Before ball-throwing and pressurization, the hydraulic release component is fixedly connected to the positioning component, thus axially fixing the positioning component and the insertion tool. After the positioning component and the insertion tool are axially fixed, the first limiting part of the positioning component and the second limiting part of the insertion tool cooperate, with the second limiting part restricting the positioning component from rotating in at least one direction.

[0007] The existing technology uses a sliding sleeve switch tool for production control, which requires removing the production column during control, affecting production time. This is significantly different from the present invention, which can control the opening degree of the production distributor in real time during the production process.

[0008] Announcement No. CN201554371U discloses a horizontal well completion string, including a coupling, an external packer, an oil-casing connector, and a casing guide shoe. The coupling is connected to the external packer, each section of casing is connected through the oil-casing connector, and the casing is connected to the casing guide shoe. It has sand control function and can realize segmented oil production, water finding, and water control.

[0009] The existing technology relies on the sand-proof mesh outside the oil jacket connector for sand prevention, and controls the water production by opening or closing the water nozzle on the oil jacket connector. This is significantly different from the present invention. The present invention relies on the sand-proof layer filled between the inner tube of the screen tube and the screen sleeve for sand prevention. The wired controller and wireless distributor of the present invention achieve real-time control of the flow rate through the mutual transmission of electrical signals.

[0010] In summary, the technical solutions, technical problems to be solved, and beneficial effects of the above-disclosed technologies are all different from those of the present invention. Regarding the more technical features, technical problems to be solved, and beneficial effects of the present invention, the above-disclosed technical documents do not provide any technical inspiration. Summary of the Invention

[0011] In view of the above-mentioned defects in the existing technology, the purpose of this invention is to provide a horizontal well sand control segmented precise production string and method.

[0012] To achieve the above objectives, the present invention adopts the following technical solution:

[0013] On one hand, the present invention provides a horizontal well sand control segmented precision production allocation string, including a sand control segmented production allocation string and a completion production allocation control string. The sand control segmented production allocation string is equipped with at least two wireless production allocation and sand control units, and each wireless production allocation and sand control unit is equipped with a wireless production controller. The completion production allocation control string is equipped with a pumping unit and a wired controller. The number of wired controllers and wireless production controllers are the same and correspond one-to-one. The wired controllers and wireless production controllers can wirelessly transmit signals to each other.

[0014] Furthermore, the sand-control segmented production tubing includes an outer tubing;

[0015] Specifically, the outer tubing includes, from top to bottom, a filling sand control tool, at least two wireless production sand control units, a circulation valve, and a plug.

[0016] Furthermore, the wireless production distribution and sand prevention unit includes a wireless production distributor and a screen tube;

[0017] Specifically, wireless production devices are connected to each other, to filling and sand-prevention tools, and to circulation valves via screen pipes.

[0018] Specifically, the sieve tube includes an inner sieve tube and a sieve sleeve, and the sieve sleeve is provided with sieve holes;

[0019] Specifically, the wireless production distribution device includes a production distribution body. The upper and lower ends of the inner wall of the production distribution body are connected to the inner tube of the sieve tube. The inner wall of the production distribution body is provided with an inner convex ring. The production distribution body is provided with a first axial through hole and a second axial blind hole. The first axial through hole is provided on the outside of the inner tube of the sieve tube, and the second axial blind hole is provided on the inner convex ring. The upper and lower ends of the production distribution body are connected to the sieve sleeve on the outside of the first axial through hole.

[0020] Specifically, the inner wall of the production preparation body is provided with a production preparation radial hole. The production preparation radial hole passes through a second axial blind hole and communicates with a first axial through hole. A wireless signal receiving device, a drive motor, and a piston are provided in the second axial blind hole. The wireless signal receiving device controls the drive motor, and the drive motor controls the position of the piston, so that the piston closes or opens the production preparation radial hole.

[0021] Furthermore, the circulation valve includes a circulation valve body, a circulation orifice, and a closing sleeve;

[0022] Specifically, the upper end of the circulation valve body is connected to the sieve sleeve and inner tube of the lowest sieve tube, and the circulation valve body is provided with a circulation hole;

[0023] Specifically, one port of the circulation hole is located on the upper end face of the circulation valve body, between the screen sleeve and the inner tube of the screen tube, and the other port of the circulation hole is located on the side wall of the circulation valve body.

[0024] Specifically, the circulation valve body and the plug are connected by a connecting pipe. The connecting pipe is provided with a limiting step, and a closing sleeve is seated on the limiting step. The starting position of the closing sleeve is below the circulation hole.

[0025] Specifically, the inner wall of the circulation valve body is provided with an upper limit convex ring above the circulation hole. When the closing sleeve contacts the upper limit convex ring, the circulation hole is closed.

[0026] Furthermore, the sand-control segmented production tubing also includes an inner tubing;

[0027] Specifically, the inner tube column includes an inner tube, a shut-off key is provided at the bottom of the inner tube, and the top of the inner tube is connected to the release part of the filling sand control tool. When the inner tube is pulled out, the shut-off key can close the circulation valve.

[0028] Furthermore, the outer wall of the closing key is provided with a segmented protrusion; the inner wall of the closing sleeve is provided with a concave ring that matches the segmented protrusion.

[0029] Furthermore, the release part of the filling sandproof tool is connected to the upper end of the inner tube via a perforated connecting bracket, and the inner tube is a punching pipe structure.

[0030] Furthermore, the well completion production control string includes a pumping unit, a perforated screen, at least two wired controllers, and a guide connected sequentially from top to bottom via a second tubing.

[0031] Furthermore, every two wired controllers are connected by a cable, and the topmost wired controller is connected to the ground control equipment by a cable.

[0032] Secondly, the present invention provides a method for using a horizontal well sand control segmented precision production distribution tubing string, comprising the following steps:

[0033] S1. Assemble the sand control segmented production string according to the number of oil layers. Send the sand control segmented production string into the well through the first tubing. At this time, the wireless production device is completely closed. Carry out sand control construction and complete the gravel filling of the annulus between the string and the oil layer casing. After the sand control construction is completed, release the sand control filling tool, take out the released part, and close the key to drive the closing sleeve to close the circulation hole.

[0034] S2. Assemble the well completion production control string according to the one-to-one correspondence between the wired controller position and the wireless production device position downhole. Connect the wired controller to the surface control equipment through a cable. Use the second tubing to run the well completion production control string downhole. The wired controller and the wireless production device correspond one-to-one.

[0035] After the oil well is put into production, the wireless production distribution device in different layers is adjusted and distributed through the ground control device and the wired controller to achieve balanced production of the horizontal well.

[0036] Compared with the prior art, the present invention has the following advantages:

[0037] 1. This invention pre-installs the wireless production device on the sand control pipe column and applies multiple wireless production devices in the sand control pipe column, which reduces construction procedures and lowers construction difficulty.

[0038] 2. The wired controller of this invention is connected to the ground control equipment via a cable. The wired controller corresponds one-to-one with the wireless production distributor downhole. The two can transmit wireless signals to each other. In addition to individual control, it can also precisely control the opening degree of the valve of the wireless production distributor, realizing the function of precise control of the downhole production distributor from the ground. This greatly improves the ability of horizontal wells to balance production and provides an advanced technical means for the long-term development of horizontal wells. Attached Figure Description

[0039] Figure 1 This is a schematic diagram of the structure of a horizontal well sand control segmented precision production distribution tubing string according to the present invention;

[0040] Figure 2 This is a schematic diagram of the sand-prevention segmented production pipeline in this invention.

[0041] In the diagram: 1 - plug;

[0042] 2-Circulation valve; 2-1-Shutting sleeve; 2-2-Circulation valve body; 2-3-Circulation orifice;

[0043] 3-Screen tube; 3-1-Screen tube weld ring; 3-2-Screen sleeve; 3-3-Screen tube inner tube; 3-4-Screen tube coupling;

[0044] 4-Wireless production distribution device 1; 4-1-Production distribution radial hole; 4-2-Production distribution body; 4-3-Piston; 4-4-Wireless receiver;

[0045] 5-Wireless production controller II; 6-Wireless production controller III; 7-Filling and sand-proofing tool; 8-First oil pipe; 9-Shutting key; 10-Inner pipe; 11-Guide; 12-Wired controller I; 13-Wired controller II; 14-Wired controller III; 15-Perforated screen pipe; 16-Oil pump; 17-Second oil pipe; 18-Cable; 19-Ground control equipment. Detailed Implementation

[0046] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0047] Example 1:

[0048] Please see Figures 1 to 2 The present invention provides a horizontal well sand control segmented precision production allocation string, including a sand control segmented production allocation string and a completion production control string.

[0049] Furthermore, the sand control segmented production line includes an outer line and an inner line; the outer line includes a filling sand control tool 7, a wireless production sand control unit, a circulation valve 2, and a plug 1 connected sequentially from top to bottom; the inner line includes an inner tube 10, and a shut-off key 9 is provided at the bottom of the inner tube.

[0050] Specifically, at least two wireless production allocation and sand control units are provided, with one wireless production allocation and sand control unit corresponding to one or a section of oil layer.

[0051] Furthermore, the wireless production distribution and sand control unit includes a wireless production distributor and a screen tube 3. The wireless production distributors are connected to each other, to the wireless production distributor and the filling sand control tool 7, and to the wireless production distributor and the circulation valve 2 via the screen tube 3. The screen tube 3 includes an inner screen tube 3-3 and a screen sleeve 3-2. The screen sleeve 3-2 has screen holes. The wireless production distributor includes a production distribution body 4-2. The upper and lower ends of the inner wall of the production distribution body 4-2 are threaded to the inner screen tube 3-3. The inner wall of the production distribution body 4-2 has an inner convex ring. The production distribution body 4-2 has a first axial through hole and a second axial blind hole. The first axial through hole is located in the inner screen tube 3-3. On the outer side, the second axial blind hole is set on the inner convex ring. The upper and lower ends of the distribution body 4-2 are connected to the screen sleeve 3-2 outside the first axial through hole. The inner wall of the distribution body 4-2 is provided with a distribution radial hole 4-1. The distribution radial hole 4-1 passes through the second axial blind hole and communicates with the first axial through hole. A wireless signal receiving device 4-4 is set on the right side of the second axial blind hole. The wireless signal receiving device 4-4 includes a wireless signal receiver, a drive motor, a worm gear, etc., which is the prior art. The worm gear in the wireless signal receiving device 4-4 is connected to the piston 4-3. The motor drives the worm gear, and the worm gear drives the worm gear, thereby realizing the left and right movement of the piston 4-3. Due to the conical structure design on the piston 4-3 shaft, and the fact that this conical structure is located in the radial hole 4-1 channel, the flow area will change differently depending on the left and right movement position of the piston 4-3, thereby achieving precise control of the flow rate.

[0052] Among them, the sieve sleeve 3-2 and the inner tube of the sieve tube 3-3 form a sieve tube annulus.

[0053] Among them, the radial hole 4-1 connects the inside of the wireless distributor with the annulus of the screen tube itself.

[0054] Among them, the wireless signal receiving device 4-4 can transmit wireless signals with the wired controller, and can also control the position of the drive motor adjusting piston 4-3 to achieve the purpose of adjusting the liquid inlet channel of the production radial hole 4-1.

[0055] Specifically, the upper and lower ends of the production body 4-2 are provided with enlarged holes outside the first axial through hole, and an "O" ring is provided at the enlarged hole. The upper and lower ends of the screen sleeve 3-2 are provided with screen tube welding rings 3-1. The enlarged hole and the screen tube welding ring 3-1 are connected together by threads, which can effectively prevent external sand and gravel from entering the annulus of the screen tube itself.

[0056] Furthermore, the plug 1 of the outer tube column is located at the bottom of the outer tube column, and the circulation valve 2 is connected above the plug 1. The circulation valve 2 includes a circulation valve body 2-2, a circulation hole 2-3, and a closing sleeve 2-1. The upper end of the circulation valve body 2-2 is connected to the screen sleeve 3-2 and the inner tube 3-3 of the bottom screen tube 3. The circulation valve body 2-2 is provided with a circulation hole 2-3. One port of the circulation hole 2-3 is located on the upper end face of the circulation valve body 2-2, between the screen sleeve 3-2 and the inner tube 3-3. The other port of the circulation hole 2-3 is located on the side wall of the circulation valve body 2-2. The circulation valve body 2-2 is connected to the plug 1 through a connecting pipe. The connecting pipe is provided with a limiting step, and the closing sleeve 2-1 sits on the limiting step. The starting position of the closing sleeve 2-1 is below the circulation hole 2-3, ensuring that the circulation valve 2 connects the inside of the outer tube column with the screen tube itself in annular space.

[0057] Specifically, the inner wall of the circulation valve body 2-2 is connected to the inner tube 3-3 of the screen tube by a thread. The circulation valve body 2-2 has an enlarged hole on the outside of the circulation hole 2-3. An "O" ring is inside the enlarged hole. The enlarged hole and the screen tube welding ring 3-1 of the screen tube 3 are threaded together to ensure that the sand and gravel in the annular space cannot pass through effectively.

[0058] Specifically, this embodiment sets up three wireless production dispensers, including wireless production dispenser 1 4, wireless production dispenser 2 5, and wireless production dispenser 3 6. The three wireless production dispensers are located at different positions on the outer tubing (the specific position of each wireless production dispenser can be determined according to the different properties of the oil layer), and their structures and working principles are the same. They are all equipped with wireless signal receiving devices 4-4 and can realize the function of pushing piston 4-3 to control the liquid feed rate.

[0059] Furthermore, the sand-control tool 7 of the outer tubing has the performance of a conventional filling tool, namely, it has a filling port for carrying sand fluid flow, an internal circulation channel for establishing circulation, and a release function, in which the inner tubing can be pulled out of the wellbore along with the released tubing after release.

[0060] Furthermore, the release part of the filling sandproof tool 7 is connected to the upper end of the inner tube 10 through a perforated connecting bracket. The inner tube 10 is a punching pipe structure. The outer wall of the closing key 9 is provided with a split protrusion. The inner wall of the closing sleeve 2-1 is provided with a concave ring that matches the split protrusion. The inner wall of the circulation valve body 2-2 is provided with an upper limit protrusion above the circulation hole 2-3. When the closing sleeve 2-1 contacts the upper limit protrusion, the circulation hole 2-3 is closed.

[0061] Specifically, the upper and lower edges of the segmented boss and the concave ring are both conical surfaces, which facilitates disengagement.

[0062] Specifically, a sealing ring assembly is provided on the outer wall of the closing sleeve 2-1 to close the circulation hole 2-3.

[0063] Specifically, when the filling sand-proof tool 7 is released, the inner tube 10 moves upward with the filling sand-proof tool 7, and the closing key 9 moves upward and contacts the closing sleeve 2-1, dragging the closing sleeve 2-1 upward together. When the closing sleeve 2-1 moves to the upper limit protrusion ring, that is, after the circulation hole 2-3 is closed, it will be restricted by the upper limit protrusion ring in front, which will prevent it from moving further. When the lifting force reaches a certain value, the split protrusion of the closing key 9 will be necked, thereby separating from the closing sleeve 2-1, thus completing the action of closing the circulation valve 2 channel and disengaging from the closing sleeve 2-1.

[0064] Specifically, the filling sand control tool 7 can be an existing technology such as a multi-round gravel filling tool disclosed in CN112360402B, which is clear to those skilled in the art; the inner wall of the uppermost screen tube 3-3 is threadedly connected to the outer wall of the lower connector of the existing filling sand control tool 7, and the inner wall of the uppermost screen sleeve 3-2 is threadedly connected to the outer wall of the guide shroud of the existing filling sand control tool 7; the perforated connector is a perforated tube, which is connected to the upper end of the inner tube 10 by thread or welding, and the inner wall of the upper end of the perforated tube is threadedly connected to the lower end of the flushing pipe connector of the existing filling sand control tool 7. During filling, filling is carried out according to the usage method of the existing filling sand control tool 7.

[0065] Furthermore, the well completion production control string includes a pumping unit 16, a perforated screen 15, a wired controller, and a guide 11, which are connected sequentially from top to bottom via a second tubing 17.

[0066] Specifically, the number of wired controllers is the same as the number of wireless production units, and they correspond one-to-one. The wired controllers control the wireless receiving device 4-4 of the wireless production unit in the sand prevention unit, thereby controlling the drive motor and adjusting the position of the piston 4-3.

[0067] Specifically, the guide 11 is located at the bottom of the well completion production control string and is used to guide the well completion production control string into the sand control segment production string.

[0068] Specifically, the wired controllers include three wired controllers: wired controller 12, wired controller 23, and wired controller 34, which correspond one-to-one with wireless production controllers 14, 25, and 36, respectively. The wired controllers are connected to each other via cables 18, and are also connected to the ground control device 19 via cables 18. Wireless signal transmission is possible between the wired controllers and the wireless production controllers. Therefore, the ground control device 19 can control the wireless production controllers individually by controlling the wired controllers, thereby achieving real-time production allocation in the horizontal well.

[0069] Example 2:

[0070] Based on Example 1, this example provides a method for using a horizontal well sand control segmented precision production distribution tubing string, including the following steps:

[0071] S1. Assemble the sand control segmented production string according to the number of oil layers. Send the sand control segmented production string into the well through the first tubing 8. At this time, the wireless production device is completely closed. According to the conventional sand control construction, complete the gravel filling of the annulus between the string and the oil layer casing. After the sand control construction is completed, drop the drop string.

[0072] During sand control construction, the circulation hole 2-3 of the circulation valve 2 is used to establish circulation. When released and lifted out, the closing key 9 drives the closing sleeve 2-1 to close the circulation hole 2-3.

[0073] S2. Assemble the well completion production control string according to the one-to-one correspondence between the wired controller position and the wireless production device position downhole. Connect the wired controller to the surface control equipment 19 through cable 18. Use the second tubing 11 to run the well completion production control string downhole. The wired controller and the wireless production device correspond one-to-one.

[0074] After the oil well is put into production, the wireless production controllers of different sections are adjusted and distributed through the ground control device to achieve balanced production of the horizontal well.

[0075] All components not discussed in detail in this application, as well as the connection methods of these components, are well-known technologies in this field. They can be directly applied and will not be elaborated further.

[0076] In this invention, the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "install," "connect," "link," and "fix" should be interpreted broadly. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "link" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0077] In the description of this invention, it should be understood that the terms "upper," "lower," "left," "right," "front," "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0078] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0079] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A horizontal well sand control segmented precision production allocation string, comprising a sand control segmented production allocation string and a completion production control string, characterized in that, The sand-proof segmented production distribution column is equipped with at least two wireless production distribution and sand-proof units, and each wireless production distribution and sand-proof unit is equipped with a wireless production distributor. The well completion production control string is equipped with an oil pump and a wired controller. The number of wired controllers and wireless production controllers are the same and correspond one-to-one. The wired controllers and wireless production controllers can transmit signals to each other wirelessly.

2. The horizontal well sand control segmented precision production distribution tubing string according to claim 1, characterized in that, The sand-control segmented production tubing includes an outer tubing; The outer tubing includes, from top to bottom, a filling sand control tool, at least two wireless production sand control units, a circulation valve, and a plug.

3. The horizontal well sand control segmented precision production string according to claim 2, characterized in that, The wireless production distribution and sand prevention unit includes a wireless production distributor and a screen tube; The wireless production dispensers are connected to each other, to the wireless production dispenser and the filling sand control tool, and to the wireless production dispenser and the circulation valve through screen pipes. The sieve tube includes an inner sieve tube and a sieve sleeve, and the sieve sleeve is provided with sieve holes. The wireless production distribution device includes a production distribution body. The upper and lower ends of the inner wall of the production distribution body are connected to the inner tube of the sieve tube. The inner wall of the production distribution body is provided with an inner convex ring. The production distribution body is provided with a first axial through hole and a second axial blind hole. The first axial through hole is provided on the outside of the inner tube of the sieve tube, and the second axial blind hole is provided on the inner convex ring. The upper and lower ends of the production distribution body are connected to the sieve sleeve on the outside of the first axial through hole. The inner wall of the production preparation body is provided with a production preparation radial hole. The production preparation radial hole passes through a second axial blind hole and communicates with a first axial through hole. A wireless signal receiving device, a drive motor, and a piston are provided in the second axial blind hole. The wireless signal receiving device controls the drive motor, and the drive motor controls the position of the piston, so that the piston closes or opens the production preparation radial hole.

4. The horizontal well sand control segmented precision production distribution tubing string according to claim 3, characterized in that, The circulation valve includes a circulation valve body, a circulation orifice, and a closing sleeve; The upper end of the circulation valve body is connected to the sieve sleeve and inner tube of the lowest sieve tube, and the circulation valve body is provided with a circulation hole. One port of the circulation hole is located on the upper end face of the circulation valve body, between the screen sleeve and the inner tube of the screen tube; the other port of the circulation hole is located on the side wall of the circulation valve body. The circulation valve body and the plug are connected by a connecting pipe. The connecting pipe is provided with a limiting step, and a closing sleeve is seated on the limiting step. The starting position of the closing sleeve is below the circulation hole. The inner wall of the circulation valve body is provided with an upper limit convex ring above the circulation hole. When the closing sleeve contacts the upper limit convex ring, the circulation hole is closed.

5. The horizontal well sand control segmented precision production string according to claim 4, characterized in that, The sand-control segmented production pipeline also includes an inner pipeline; The inner tube column includes an inner tube with a shut-off key at the bottom. The top of the inner tube is connected to the release part of the filling sand control tool. When the inner tube is released, the shut-off key can close the circulation valve.

6. The horizontal well sand control segmented precision production string according to claim 5, characterized in that, The outer wall of the closing key is provided with a segmented protrusion; the inner wall of the closing sleeve is provided with a concave ring that matches the segmented protrusion.

7. The horizontal well sand control segmented precision production string according to claim 5, characterized in that, The release part of the filling sandproof tool is connected to the upper end of the inner tube through a perforated connecting bracket, and the inner tube is a punching pipe structure.

8. The horizontal well sand control segmented precision production string according to claim 5, characterized in that, The well completion and production control string includes a pumping unit, a perforated screen, at least two wired controllers, and a guide connected sequentially from top to bottom via a second tubing.

9. A horizontal well sand control segmented precision production distribution tubing string according to claim 8, characterized in that, Each pair of wired controllers is connected by a cable, and the topmost wired controller is connected to the ground control equipment by a cable.

10. A method for using a segmented precision production tubing string for sand control in horizontal wells, comprising the following steps: S1. Assemble the sand control segmented production string according to the number of oil layers. Send the sand control segmented production string into the well through the first tubing. At this time, the wireless production device is completely closed. Carry out sand control construction and complete the gravel filling of the annulus between the string and the oil layer casing. After the sand control construction is completed, release the sand control filling tool, take out the released part, and close the key to drive the closing sleeve to close the circulation hole. S2. Assemble the well completion production control string according to the one-to-one correspondence between the wired controller position and the wireless production device position downhole. Connect the wired controller to the surface control equipment through a cable. Use the second tubing to run the well completion production control string downhole. The wired controller and the wireless production device correspond one-to-one. After the oil well is put into production, the wireless production distribution device in different layers is adjusted and distributed through the ground control device and the wired controller to achieve balanced production of the horizontal well.

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