A well alternation device

Abstract

The oil well rotating oil extraction device comprises a body outer cylinder, a first through hole and a second through hole are arranged on the body outer cylinder, a center shaft, a rotating liquid switching mechanism is installed on the center shaft, the rotating liquid switching mechanism comprises a rotating liquid inlet cylinder, a first liquid inlet hole and a second liquid inlet hole are arranged on the rotating liquid inlet cylinder, a plurality of packers are used for sealing different oil layers, in a first state, the first through hole and the first liquid inlet hole are communicated to form a first liquid inlet channel, the internal cavity of the rotating liquid inlet cylinder is communicated with the corresponding oil layer through the first liquid inlet channel to carry out oil extraction, in a second state, the second through hole and the second liquid inlet hole are communicated to form a second liquid inlet channel, the internal cavity of the rotating liquid inlet cylinder is communicated with the corresponding oil layer through the second liquid inlet channel to carry out oil extraction, the rotating liquid switching mechanism is configured to be capable of switching the first state and the second state through instantaneously increasing the displacement of the oil extraction pump, so that the first state and the second state can be switched to each other by using the instant pressure difference, thereby oil extraction is carried out on different oil layers.

Description

Technical Field

[0001] This invention belongs to the field of petroleum extraction technology, specifically relating to an oil well rotation production device. Background Technology

[0002] In oil extraction, different oil layers need to be exploited. Therefore, in actual production, the issue of rotating oil production between two layers is often encountered. Currently, existing rotation oil production technologies include intelligent rotation oil production technology, rod pump + ESP + packer separate production technology, and ESP + packer + control switch separate production technology. These technologies mainly involve running downhole switch control cables, periodically opening or closing switches using pre-installed downhole batteries, running different pumps for independent separate production, and pressurizing the wellhead to activate downhole switches via pulse signals. However, these rotation oil production technologies suffer from drawbacks such as high implementation difficulty, numerous downhole tools, poor reliability, and high operating costs.

[0003] Chinese patent document CN201611151997.6 discloses a pressure-controlled intelligent production tubing string and production method for selective layered acid injection. The production tubing string includes an upper section equipped with a downhole safety valve, a cable packer, and a submersible electric pump, and a lower section equipped with a drop-off tool, a positioning seal, a first insertion seal, a second insertion seal, and a guide plug. Pressure control switches are installed at multiple locations on the production tubing string. The production method includes steps such as fabricating the production tubing string, installing the pressure control switches, lowering the drop-off layered tubing string and the upper section tubing string, remote pressurization, rotating water production for water exploration, and targeted acidizing. It can achieve water exploration, water control, layered production, and targeted acidizing of different oil layers through remote control of the pressure control switches from the surface. During acidizing, the acid can effectively enter the target reservoir. This production tubing string has a complex structure, numerous components, high implementation difficulty, poor reliability, and high construction costs.

[0004] Chinese patent document CN201220380296.0 discloses a stratified oil production rotation device. It uses a limiting pin for positioning, and a connecting rod, a connecting sleeve, and a guide fluid with machined combined guide holes are installed below the commutator inside the outer cylinder. A distributor fluid with diversion holes is installed on the inner wall of the outer sleeve corresponding to the guide fluid. It can rotate the commutator by colliding with a pump to drive a stratified switch, thus achieving oil production rotation. However, this stratified oil production rotation device has a complex structure, is inconvenient to operate, has poor rotation reliability, low operating costs, and low stratified oil production rotation efficiency. Summary of the Invention

[0005] To address the technical problems described above, this invention aims to provide an oil well rotation production device that can achieve oil production from different oil layers without moving the tubing string. This greatly helps to reduce operational difficulty, improve rotation reliability, and significantly reduce operating costs.

[0006] Therefore, according to the present invention, an oil well rotation production device is provided, comprising: an outer cylinder for connecting an oil production pump, wherein the outer cylinder is provided with a first through hole and a second through hole spaced apart from each other in the axial direction; a central shaft concentrically arranged within the outer cylinder; a diversion fluid exchange mechanism mounted on the central shaft, the diversion fluid exchange mechanism including a diversion fluid inlet cylinder, wherein the diversion fluid inlet cylinder is provided with a first fluid inlet hole and a second fluid inlet hole spaced apart from each other in the axial direction; and a plurality of packers, the packers being disposed on the outer wall of the outer cylinder for sealing off different oil production layers; wherein, in a first state, the first through hole communicates with the first fluid inlet hole to form a second... In the first state, the second through hole and the second inlet hole are not connected and are blocked. The internal cavity of the steering fluid inlet cylinder is connected to the corresponding oil-producing layer through the first fluid inlet channel to produce oil. In the second state, the second through hole and the second inlet hole are connected to form a second fluid inlet channel. The first through hole and the first inlet hole are not connected and are blocked. The internal cavity of the steering fluid inlet cylinder is connected to the corresponding oil-producing layer through the second fluid inlet channel to produce oil. The steering fluid exchange mechanism is configured to be able to instantly increase the displacement of the oil pump to utilize the instantaneous pressure difference, so that the first state and the second state can be switched to each other, thereby producing oil from different oil-producing layers.

[0007] In one embodiment, the directional fluid exchange mechanism further includes an impeller and a directional drive unit connected below the impeller. The directional fluid inlet cylinder is connected to the lower end of the directional drive unit. The impeller is capable of moving along the central axis and can cause the directional drive unit to drive the directional fluid inlet cylinder to rotate, thereby enabling the first state and the second state to switch between each other.

[0008] In one embodiment, the steering drive unit includes a steering drive inner cylinder and a steering drive outer cylinder concentrically arranged outside the steering drive inner cylinder. The steering drive inner cylinder is fixedly connected to the central shaft, and the steering inlet cylinder is fixedly connected to the lower end of the steering drive outer cylinder. The steering drive unit is configured to drive the steering drive outer cylinder to move upward through the impeller, thereby driving the steering drive outer cylinder to rotate the steering inlet cylinder.

[0009] In one embodiment, a reversing slide is provided on the outer wall of the steering drive inner cylinder, and a reversing rod that can be adapted to the reversing slide is provided on the inner wall of the steering drive outer cylinder. The circumferential slide is configured to include a spirally extending first groove and an axially extending second groove. During the upward movement of the steering drive outer cylinder, it can rotate under the action of the reversing rod and the reversing slide, and drive the steering inlet cylinder to rotate.

[0010] In one embodiment, a fixing seat for fixing the central shaft is provided inside the outer cylinder of the main body, and the fixing seat is fixedly connected to the inner wall of the outer cylinder of the main body.

[0011] In one embodiment, the fixing base includes a first fixing frame and a second fixing frame that are axially spaced apart. Both the first fixing frame and the second fixing frame are constructed as hollow supports, and the upper end of the central shaft passes through the second fixing frame and is fixedly connected to the first fixing frame.

[0012] In one embodiment, the impeller is sleeved on the central shaft, and an elastic element is provided between the impeller and the fixed base. The upper end of the elastic element is fixedly connected to the first fixed frame, and the impeller can reciprocate along the central shaft under the action of the elastic element and the instantaneous pressure difference.

[0013] In one embodiment, a protective sleeve is also concentrically provided on the central axis. The protective sleeve passes through the second fixing frame and is fixedly connected to the first fixing frame. The elastic element is located in the radial space formed by the protective sleeve and the central axis.

[0014] In one embodiment, a first limiting portion extending radially inward is provided at the upper end of the steering drive outer cylinder, and a second limiting portion extending radially outward is provided at the lower end of the sleeve. The lower end of the sleeve extends to the axial inner side of the steering drive outer cylinder, thereby enabling the impeller to drive the steering drive outer cylinder to move axially under the action of the second limiting portion and the first limiting portion.

[0015] In one embodiment, the upper end of the steering inlet cylinder is provided with a connecting plate, the connecting plate is fixedly connected to the steering drive inner cylinder, the connecting plate is provided with a communication port, and the internal cavity of the steering inlet cylinder is connected to the upper inner cavity of the outer cylinder of the main body through the communication port.

[0016] Compared with the prior art, the advantages of this application are:

[0017] The oil well rotation production device according to the present invention can achieve oil production from different oil layers without moving the tubing string. This device is convenient and quick to operate, greatly reducing operational difficulty and significantly improving rotation efficiency and reliability, thus greatly enhancing oil production efficiency. Simultaneously, it simplifies the production process and significantly reduces operating costs. Furthermore, this oil well rotation production device has a simple structure, high stability, low production cost, and wide applicability. Attached Figure Description

[0018] The present invention will now be described with reference to the accompanying drawings.

[0019] Figure 1The structure of the oil well rotation production device according to the present invention is schematically shown.

[0020] Figure 2 The structure of the first fixture is shown schematically.

[0021] Figure 3 The structure of the second fixture is shown schematically.

[0022] Figure 4 The structure of the steering drive inner cylinder is schematically shown.

[0023] Figure 5 This is a schematic diagram showing the unfolded reversing slide on the steering drive inner cylinder.

[0024] Figure 6 The structure of the steering drive outer cylinder is schematically shown.

[0025] Figure 7 The structure of the diverting inlet cylinder is schematically shown.

[0026] In this application, all drawings are schematic and are used only to illustrate the principles of the invention, and are not drawn to scale. Detailed Implementation

[0027] The invention will now be described with reference to the accompanying drawings.

[0028] In this application, it should be noted that the directional terms or qualifiers such as "up" and "down" used in this application are all in reference to the appendix. Figure 1 In other words, they are not used to define the absolute position of the components involved, but can vary depending on the specific circumstances.

[0029] Figure 1 The structure of the oil well rotation production device 100 according to the present invention is schematically shown. Figure 1As shown, the oil well rotation production unit 100 includes a main body outer cylinder 1, a central shaft 2 concentrically arranged within the main body outer cylinder 1, a steering and fluid exchange mechanism mounted on the central shaft 2, and several packers 6. The upper end of the main body outer cylinder 1 is used to connect an oil production pump (not shown), such as a manual lift pump or a screw pump. Several packers 6 are axially spaced apart on the outer wall of the main body outer cylinder 1. After the packers expand upon contact with water, they seal the upper and lower oil layers to isolate different oil production layers. The oil well rotation production unit 100 is lowered into the wellbore 200. After reaching the target formation, it sets the packers 6 to isolate different oil production layers. During production operations, the oil production pump is started first to allow one oil layer to produce. When it is necessary to shut down an oil layer and switch to another for production, the diversion fluid exchange mechanism can instantly increase the discharge rate of the production pump and use the instantaneous pressure difference to reverse the direction of the well rotation production device 100, opening the inflow channel of the other oil layer and closing the inflow channel of the previously produced oil layer, thereby achieving rotational production. Thus, the well rotation production device 100 can achieve rotational production of oil from different oil layers without moving the tubing string.

[0030] like Figure 1 As shown, the outer cylinder 1 of the main body is constructed in a cylindrical shape, and the bottom of the outer cylinder 1 is provided with a bottom plate to close it. The upper end of the outer cylinder 1 is connected to the oil pump through the upper pump pipe. In one embodiment, the upper end of the outer cylinder 1 is provided with a connecting joint, which is threaded, and the outer cylinder 1 is connected to the upper pump pipe through the connecting joint in a threaded connection manner.

[0031] According to the present invention, such as Figure 1 As shown, the outer cylinder 1 of the main body is provided with a first through hole 11 and a second through hole 12 that are spaced apart from each other in the axial direction. Furthermore, the first through hole 11 and the second through hole 12 are staggered in the circumferential direction. The functions of the first through hole 11 and the second through hole 12 will be described below. Figure 1 The accompanying drawings are merely schematic and are intended only to clearly show the relative positions of the first through hole 11 and the second through hole 12 in the axial direction.

[0032] like Figure 1 As shown, a fixing seat 9 for fixing the central shaft 2 is provided inside the outer cylinder 1 of the main body. The fixing seat 9 is used to fix the central shaft 2 and other internal components. The fixing seat 9 includes a first fixing frame 91 and a second fixing frame 92 that are axially spaced apart. The first fixing frame 91 and the second fixing frame 92 are fixedly connected to the inner wall of the outer cylinder 1 of the main body, and the second fixing frame 92 is located below the first fixing frame 91. Figure 2 and Figure 3As shown, both the first fixing bracket 91 and the second fixing bracket 92 are constructed as perforated supports, allowing oil to flow through the perforated gaps. Each of the first fixing bracket 91 and the second fixing bracket 92 has a mounting hole in its middle for the central shaft 2 to pass through. The upper end of the central shaft 2 passes through the mounting hole of the second fixing bracket 92 and forms a fixed connection with the mounting hole of the first fixing bracket 91. Thus, the central shaft 2 is concentrically arranged inside the outer cylinder 1 of the main body. This structure of the fixing seat 9 not only ensures the stability of the central shaft 2 but also allows oil to flow through the perforated gaps of the perforated support, thereby connecting the oil extraction pipeline.

[0033] According to the present invention, such as Figure 1 As shown, the diversion fluid exchange mechanism includes a diversion fluid inlet cylinder 3. (As indicated...) Figure 7 As shown, the diverting liquid inlet cylinder 3 is cylindrical, and a first liquid inlet hole 31 and a second liquid inlet hole 32, spaced apart from each other in the axial direction, are provided on the side wall of the diverting liquid inlet cylinder 3. The first liquid inlet hole 31 and the second liquid inlet hole 32 are staggered in the circumferential direction. The first liquid inlet hole 31 and the second liquid inlet hole 32 can respectively communicate with the first through hole 11 and the second through hole 12 on the outer cylinder 1 of the main body.

[0034] exist Figure 7 In the illustrated embodiment, there are two pairs of first inlet holes 31, and each pair of first inlet holes 31 is symmetrically distributed in the radial direction. The second inlet holes 32 are staggered from the first inlet holes 31 in the circumferential direction. Similarly, there are two pairs of second inlet holes 32, and each pair of second inlet holes 32 is symmetrically distributed in the radial direction.

[0035] In actual operation, when the oil well rotation production device 100 of the present invention is producing oil from the upper oil-producing layer, the first through hole 11 on the outer cylinder 1 of the main body is connected to the first inlet hole 31 of the diverting fluid inlet cylinder 3, thereby forming a first fluid inlet channel 7. The second through hole 12 on the outer cylinder 1 of the main body is not connected to the second inlet hole 32 of the diverting fluid inlet cylinder 3 and is blocked. Thus, the internal cavity of the diverting fluid inlet cylinder 3 is connected to the corresponding upper oil-producing layer through the first fluid inlet channel 7 to perform oil production operations. At this time, the oil well rotation production device 100 is in the first state.

[0036] When oil is being produced from the lower oil-producing layer, the second through hole 12 on the outer cylinder 1 of the main body connects with the second inlet hole 32 of the diverting inlet cylinder 3, thus forming a second inlet channel 8. The first through hole 11 on the outer cylinder 1 of the main body is blocked from connecting with the first inlet hole 31 of the diverting inlet cylinder 3. Therefore, the internal cavity of the diverting inlet cylinder 3 connects with the corresponding lower oil-producing layer through the second inlet channel 8 to perform oil production operations. At this time, the oil well rotation production device 100 is in the second state. For ease of explanation, the oil-producing layer located relatively above is referred to as the upper oil-producing layer, such as... Figure 1The oil-producing layer located between the two packers 6 is called the lower oil-producing layer, while the oil-producing layer located below it is called the lower oil-producing layer, such as... Figure 1 The oil-bearing layer is located below the lower single packer 6.

[0037] According to the present invention, the diversion fluid exchange mechanism is configured to enable the well rotation oil production device 100 to switch between a first state and a second state by instantaneously increasing the displacement of the oil production pump, thereby utilizing the instantaneous pressure difference to achieve rotation oil production from different oil layers.

[0038] like Figure 1 As shown, the directional fluid exchange mechanism also includes an impeller 4 and a directional drive unit 5 connected below the impeller 4. The directional fluid inlet cylinder 3 is connected to the lower end of the directional drive unit 5. The impeller 4 is configured to move axially along the central shaft 2 and enable the directional drive unit 5 to drive the directional fluid inlet cylinder 3 to rotate, thereby enabling the switching between the first state and the second state.

[0039] According to one embodiment of the present invention, the impeller 4 can be fitted onto the central shaft 2 via a sleeve 41, forming a sliding connection between the sleeve 41 and the central shaft 2. An elastic element 42 is provided between the impeller 4 and the fixed base 9, and the upper end of the elastic element 42 is fixedly connected to the first fixed frame 91. Preferably, the elastic element 42 is a compression spring and is fitted onto the central shaft 2. The impeller 4 can move upward under the action of an instantaneous pressure difference and can move downward under the action of the elastic element 42 to achieve a reset. Thus, the impeller 4 can reciprocate along the central shaft 2 under the action of the elastic element 42 and the instantaneous pressure difference.

[0040] In one embodiment, a protective sleeve 43 is also concentrically provided on the central shaft 2. The protective sleeve 43 is cylindrical, passes through the second fixing frame 92, and is fixedly connected to the first fixing frame 91, thereby forming a radial space between the protective sleeve 43 and the central shaft 2, within which the elastic element 42 is located. This provides effective protection for the elastic element 42 and helps extend the service life of the oil well rotation production device 100.

[0041] According to the present invention, the steering drive unit 5 includes a steering drive inner cylinder 51 and a steering drive outer cylinder 52 concentrically arranged outside the steering drive inner cylinder 51. The steering drive inner cylinder 51 is fixedly connected to the central shaft 2, the steering inlet cylinder 3 is fixedly connected to the lower end of the steering drive outer cylinder 52, and the upper end of the steering drive outer cylinder 52 can form a limiting connection with the impeller 4. The steering drive unit 5 is configured such that the impeller 4 can drive the steering drive outer cylinder 53 to move upward, thereby driving the steering drive outer cylinder 52 to drive the steering inlet cylinder 3 to rotate, thus realizing the switching between the first state and the second state.

[0042] According to one embodiment of the present invention, such as Figure 4 and Figure 5As shown, a reversing slide 511 is provided on the cylinder body of the steering drive inner cylinder 51. The circumferential slide 511 is constructed to include a spirally extending first slide groove and a second slide groove extending axially along the steering drive inner cylinder 51. Several sets of first and second slide grooves are alternately spaced apart circumferentially. The upper end of the second slide groove communicates with the upper end of the adjacent corresponding first slide groove, and the lower end of the second slide groove communicates with the lower end of another adjacent corresponding first slide groove. Thus, several sets of first and second slide grooves are sequentially and alternately connected to form a connected reversing slide 511 throughout the entire circumference. Meanwhile, as... Figure 6 As shown, a reversing rod 521, which can be adapted to the reversing slide, is provided on the inner wall of the steering drive outer cylinder 52. The reversing rod 521 can be constructed as a cylindrical rod-shaped slider structure, and two are arranged symmetrically in the radial direction. The reversing rod 521 can be inserted into the reversing slide 511 and form a sliding fit. Under the upward movement of the impeller 4, the steering drive outer cylinder 52 can rotate under the action of the reversing rod 521 and the reversing slide 511, thereby driving the steering inlet cylinder 3 to rotate.

[0043] During actual operation, the impeller 4 moves upward under the action of instantaneous pressure difference, driving the steering drive outer cylinder 52 upward as well. After the impeller 4 reaches its upward position, the instantaneous pressure difference disappears, and the impeller 4 falls back to its original position under the action of the elastic element 42. During its upward movement, the steering drive outer cylinder 52 rotates at a certain angle under the cooperation of the reversing rod 521 and the spirally extended first slide groove of the reversing slide 511. After rotating to its position, the reversing rod 521 enters the second slide groove and falls down. This completes one state switch, realizing oil production rotation. When oil production needs to be rotated again, the above process is repeated, and the steering drive outer cylinder 52 continues to rotate, driving the steering inlet cylinder 3 to rotate.

[0044] like Figure 6 As shown, a first limiting portion 522 extending radially inward is provided at the upper end of the steering drive outer cylinder 52, while a second limiting portion 411 extending radially outward is provided at the lower end of the sleeve 41. The lower end of the sleeve 41 extends to the axially inner side of the upper end of the steering drive outer cylinder 52, so that the upper end face of the second limiting portion 411 can contact the lower end face of the first limiting portion 522, and pull the steering drive outer cylinder 52 to move axially upward. This allows the impeller 4 to drive the steering drive outer cylinder 52 to move axially upward under the action of the second limiting portion 411 and the first limiting portion 522.

[0045] like Figure 7As shown, the upper end of the steering fluid inlet cylinder 3 is provided with a connecting plate 33, which is fixedly connected to the lower end of the steering drive inner cylinder 51. In one embodiment, the connecting plate 33 is also constructed as a hollow support structure, thereby forming a communication port 34 on the connecting plate 33. The internal cavity of the steering fluid inlet cylinder 3 is connected to the upper inner cavity of the outer cylinder 1 of the main body through the communication port 34, thereby forming an oil production passage. The oil entering the internal cavity of the steering fluid inlet cylinder 3 flows upward through the communication port 34, the hollow gap of the fixed seat 9, and the connecting joint to enter the oil production pump, and is then pumped to the wellhead to realize oil production.

[0046] The working process of the oil well rotation production device 100 according to the present invention is briefly described below. First, the oil well rotation production device 100 is lowered into the wellbore 200. After reaching the target formation, the packer 6 is set to isolate different upper and lower oil production layers. The oil well rotation production device 100 is initially adjusted to the first state. During production operations, the oil pump is started first to allow the upper oil layer to produce. When it is necessary to shut down the oil layer and rotate to another oil layer for production, the pump displacement is increased instantaneously. Using the instantaneous pressure difference, the impeller 4 moves upward along the central axis 2, which in turn drives the steering drive outer cylinder 52 to move upward. The steering drive outer cylinder 52 rotates under the action of the reversing rod 521 and the reversing slide 511, which in turn drives the steering fluid inlet cylinder 3 to rotate, thereby closing the first fluid inlet channel 7 and opening the second fluid inlet channel 8. At this time, the oil well rotation production device 100 enters the second state and switches to produce the lower oil layer. Thus, oil well rotation production of different oil layers is achieved. When it is necessary to switch the oil production layer again, the above process is repeated by momentarily increasing the displacement of the oil production pump.

[0047] The oil well rotation production device 100 according to the present invention can achieve oil production from different oil layers without moving the tubing string. This device is convenient and quick to operate, greatly reducing operational difficulty and significantly improving rotation efficiency and reliability, thus greatly enhancing oil production efficiency. Simultaneously, it simplifies the production process and significantly reduces operating costs. Furthermore, the oil well rotation production device 100 has a simple structure, high stability, low production cost, and wide applicability.

[0048] In the description of this invention, it should be understood that the terms "upper" and "lower" 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 element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0049] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0050] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0051] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the 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.

[0052] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and does not constitute any limitation on the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An oil well rotation production device, comprising: The outer cylinder (1) of the main body is used to connect the oil pump, and the outer cylinder has axially spaced-apart structures. First through hole (11) and second through hole (12); A central axis (2) is concentrically arranged inside the outer cylinder of the main body; A directional fluid exchange mechanism mounted on the central shaft, the directional fluid exchange mechanism including a directional fluid inlet cylinder (3), on which a first fluid inlet hole (31) and a second fluid inlet hole (32) spaced apart from each other in the axial direction are provided; and Several packers (6) are disposed on the outer wall of the outer cylinder of the main body to isolate different oil-producing layers; In the first state, the first through hole is connected to the first inlet hole to form a first inlet channel (7), and the second through hole is not connected to the second inlet hole and is blocked. The internal cavity of the steering inlet cylinder is connected to the corresponding oil-producing layer through the first inlet channel to produce oil. In the second state, the second through hole is connected to the second inlet hole to form a second inlet channel (8), and the first through hole is not connected to the first inlet hole and is blocked. The internal cavity of the steering inlet cylinder is connected to the corresponding oil-producing layer through the second inlet channel to produce oil. The diversion fluid exchange mechanism is configured to instantaneously increase the displacement of the oil pump to utilize the instantaneous pressure difference, enabling the switching between the first and second states. Inside the outer cylinder of the main body, there is a fixing seat (9) for fixing the central shaft. The fixing seat includes a first fixing frame (91) and a second fixing frame (92) axially spaced apart, thereby enabling oil production from different oil layers. The diversion fluid exchange mechanism also includes an impeller (4) and a diversion drive unit (5) connected below the impeller. The diversion fluid inlet cylinder is connected to the lower end of the diversion drive unit. The impeller can move along the central axis and can drive the steering inlet cylinder to rotate through the steering drive unit, thereby enabling the first state and the second state to switch between each other. The impeller is fitted onto the central axis through a sleeve (41). An elastic element (42) is provided between the impeller and the fixed seat. The upper end of the elastic element is fixedly connected to the first fixed frame. The impeller can reciprocate along the central axis under the action of the elastic element and the instantaneous pressure difference.

2. The oil well rotation production device according to claim 1, characterized in that, The steering drive unit includes a steering drive inner cylinder (51) and a steering drive outer cylinder (52) concentrically arranged outside the steering drive inner cylinder. The steering drive inner cylinder is fixedly connected to the central shaft, and the steering fluid inlet cylinder is fixedly connected to the lower end of the steering drive outer cylinder. The steering drive unit is configured to drive the steering drive outer cylinder upward through the impeller, thereby driving the steering drive outer cylinder to rotate the steering inlet cylinder.

3. The oil well rotation production device according to claim 2, characterized in that, A reversing slide (511) is provided on the outer wall of the steering drive inner cylinder, and a reversing rod (521) that can be adapted to the reversing slide is provided on the inner wall of the steering drive outer cylinder. The reversing slide is configured to include a spirally extending first slide groove and an axially extending second slide groove. During the upward movement of the steering drive outer cylinder, it can rotate under the action of the reversing rod and the reversing slide, and drive the steering liquid inlet cylinder to rotate.

4. The oil well rotation production device according to claim 1, characterized in that, The fixing seat is fixedly connected to the inner wall of the outer cylinder of the main body.

5. The oil well rotation production device according to claim 4, characterized in that, Both the first and second fixing frames are constructed as hollow supports, and the upper end of the central shaft passes through the second fixing frame and is fixedly connected to the first fixing frame.

6. The oil well rotation production device according to claim 5, characterized in that, A protective sleeve (43) is also concentrically provided on the central axis. The protective sleeve passes through the second fixing frame and is fixedly connected to the first fixing frame. The elastic element is located in the radial space formed by the protective sleeve and the central axis.

7. The oil well rotation production device according to claim 3, characterized in that, The upper end of the steering drive outer cylinder is provided with a first limiting part (522) extending radially inward, and the lower end of the sleeve is provided with a second limiting part (411) extending radially outward. The lower end of the sleeve extends to the axial inner side of the steering drive outer cylinder, thereby enabling the impeller to drive the steering drive outer cylinder to move axially under the action of the second limiting part and the first limiting part.

8. The oil well rotation production device according to claim 2, characterized in that, The upper end of the steering inlet cylinder is provided with a connecting plate (33), which is fixedly connected to the steering drive inner cylinder. The connecting plate is provided with a communication port (34), and the internal cavity of the steering inlet cylinder is connected to the upper inner cavity of the outer cylinder of the main body through the communication port.

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