CN103306649B - Baffle type crosses the automatically controlled continuously adjustabe injection allocation apparatus of water injection well - Google Patents

Abstract

The electronically controlled and continuously adjustable distributing device for barrier-type over-water polymer injection wells involves a downhole polymer driving device to solve the problem that the eccentric injectors used in the existing oil field polymer injection wells cannot realize continuous adjustment of the injection volume and cannot be accurate. Injection and poor sealing of cables cannot solve the problem of electrical appliances not working properly due to water ingress. It includes upper joints, lower joints and valve cores. Cable sleeve, pin sleeve, shell sleeve, middle connecting sleeve, connecting body, working main cylinder, center pipe, connecting sleeve, lower connecting sleeve, water outlet sleeve, first cable connector, liquid outlet conduit, lead screw, first coupling shaft connector, second cable joint, third cable joint, lower cable sleeve, outlet pressure sensor, circuit board, motor, second coupling, inlet pressure sensor, transmission shaft, water plug, connecting cylinder and at least seven waterproof Pin. The injection polymer of the present invention is used for oil recovery.

Description

Electronically controlled continuous adjustable dispensing device for barrier type water injection polywell

technical field

The invention relates to downhole polymer driving equipment, which belongs to the technical field of petroleum exploitation.

Background technique

In order to further enhance oil recovery, polymer oil recovery has become an important means and method of oil field development after water flooding. However, due to the high viscosity of the polymer and the complex downhole environment, the current manual fishing technology cannot achieve flow monitoring and accurate flow injection. At the same time, the construction is very difficult and cannot meet the requirements of polymer injection. Therefore, it is decided to develop a polymer injection well measurement and adjustment system. , to improve the oil displacement effect. At present, among the eccentric injectors used in polymer injection wells in oil fields, most of them rely on replacing the valve core to adjust the pressure, but they cannot achieve continuous adjustment of injection volume, accurate injection and poor cable sealing, which cannot meet the needs of polymer injection in various formations. requirements, affecting oil recovery. At the same time, the eccentric injectors used in the existing oil field polymer injection wells tend to leak water from one layer and flow to other layers, causing the equipment in other layers to not work normally. Therefore, it was decided to design a barrier type water-through polymer injection well structure.

Contents of the invention

The purpose of the present invention is to solve the problem that the eccentric injector used in the existing polymer injection wells in the oil field cannot realize continuous adjustment of the injection volume, accurate injection and poor sealing of cables, and cannot solve the problem that the electrical appliances cannot work normally due to water ingress. Disclosed is an electronically controlled continuous adjustable dispensing device for a barrier type water-through polymer injection well.

The technical solution adopted by the present invention to solve the above-mentioned technical problems is: the electronically controlled continuous adjustable dispensing device of the barrier type water injection and polywell injection of the present invention includes an upper joint, a lower joint and a valve core, and the valve core is wound by a plurality of identical busbars. The hollow rotary body formed by the rotation of the axis, the device also includes an upper cable sleeve, a pin sleeve, a shell sleeve, a middle connecting sleeve, a connecting body, a working main cylinder, a central pipe, a connecting sleeve, a lower connecting sleeve, a water outlet sleeve, a first Cable joint, liquid outlet conduit, lead screw, first coupling, second cable joint, third cable joint, lower cable sleeve, outlet pressure sensor, circuit board, motor, second coupling, inlet pressure sensor, transmission Shaft, water plug 31, connecting cylinder and at least seven pins with waterproof;

The connecting body is made of a coaxial main cylinder and a cylinder. The middle of the cylinder is provided with a diversion cavity connected with the inner cavity of the main cylinder. The upper end surface of the cylinder is provided with an annular positioning groove. The bottom of the annular positioning groove A diversion hole arranged along the axial direction of the cylinder and communicated with the annular positioning groove is provided on the end surface, and a mounting hole arranged along the axial direction of the cylinder and communicated with the annular positioning groove is provided on the bottom end surface of the annular positioning groove. The outside of the main cylinder is sequentially fitted with an upper joint, an upper cable sleeve, a pin sleeve, a shell sleeve and a middle connecting sleeve from top to bottom. The two are sealed and connected, the upper cable sleeve is inserted on the pin sleeve and the two are sealed connected, the pin sleeve is inserted on the shell sleeve and the two are sealed connected, the shell sleeve is inserted on the middle connecting sleeve and the two are sealed connected , the connecting sleeve is inserted into the positioning groove and the two are sealed and connected;

The main working cylinder is respectively equipped with a central tube, a connecting sleeve and a lower cable sleeve. The main working cylinder, the central tube and the cylinder are coaxially arranged. The upper end of the central tube has a flange, and the central tube and the cylinder are detachably connected through the flange. The lower end of the central tube is detachably connected with the lower connecting sleeve, and the connecting sleeve is set on the central tube, the lower cable sleeve and the water outlet sleeve, and the connecting sleeve is respectively sealed and connected with the lower cable sleeve and the water outlet sleeve, and the connecting sleeve and the central tube are detachable and Sealed connection, the connecting sleeve is sealed and connected with the working main cylinder, the lower connecting sleeve is inserted on the water outlet sleeve and the two are sealed and connected, the working main cylinder and the column are detachable and sealed, and the working main cylinder and the lower connecting sleeve are detachable and sealed , the water outlet sleeve and the lower joint are detachable and tightly connected;

The liquid outlet conduit and the water plug are respectively arranged between the working main cylinder and the center pipe along the axis of the main working cylinder. The liquid outlet conduit and the water plug are detachable and sealed connected, and the water plug is inserted into the connecting sleeve and the two are sealed. A plurality of water outlet through holes are arranged on the connecting sleeve along the circumferential direction of the working main cylinder;

A valve core is arranged in the liquid outlet conduit, the motor is installed on the casing, the second coupling is arranged on the middle connecting sleeve, the transmission shaft is arranged on the middle connecting sleeve through the bearing, and the first coupling is arranged in the installation hole. The lead screw is set in the installation hole through the bearing, the output end of the motor is connected with the second coupling, the second coupling is connected with the transmission shaft, the transmission shaft is connected with the first coupling, and the first coupling is connected with the lead screw Connection, the upper end of the spool is connected with a connecting cylinder and the two are integrated, the screw is threaded with the middle of the connecting cylinder, and the lower end of the screw extends into the cavity of the spool;

The side wall of the central tube is provided with a plurality of flow holes along the circumference of the central tube, and the side wall of the liquid outlet conduit is provided with a plurality of liquid outlet holes along the circumference of the outlet conduit, and the flow holes and the liquid outlet holes are located on the same plane Inside, the flange is provided with an overflow hole connected with the diversion hole, and the middle connecting sleeve is provided with an installation through hole, which is coaxial and connected with the diversion hole. The inlet pressure sensor is installed between the installation through hole and the guide hole. inside the orifice;

The pin sleeve is provided with a first installation passage along the axial direction of the working main cylinder, and the shell sleeve is provided with a second installation passage coaxial with and communicating with the first installation passage. The outlet pressure sensor is installed between the first installation passage and the second installation passage. in the installation channel;

The shell cover is provided with a second cable joint and a circuit board, the upper cable cover is provided with a third cable joint, the lower cable cover is provided with a first cable joint, and the upper cable cover, the pin cover and the shell cover are provided with at least There are three waterproof pins, and four waterproof pins are pierced on the pin cover and the shell;

The circuit board is respectively electrically connected to the inlet pressure sensor, the outlet pressure sensor and the motor through cables connected to the second cable connector, the third cable connector and at least seven pins.

The beneficial effects of the present invention are: one, the present invention drives second coupling 28, drive shaft 30, first coupling 17 and leading screw 16 to rotate by the output power of motor 27, and the rotation of leading screw 16 drives its screw thread The connected connecting cylinder 32 reciprocates along the axis of the lead screw, and then drives the valve core 15 to reciprocate. At this time, the flow rate of the water flowing through the flow hole 8-1-1 and the liquid outlet through hole 14-1 changes, and then , causing the pressure of the water entering the flow hole 8-2-1 connected with the flow diversion hole 6-1 to change, the pressure at the inlet liquid end is measured by the inlet pressure sensor 29 installed in the flow hole 8-2-1, and the The outlet pressure sensor 25 is used to measure the pressure at the outlet of the solution, and the data is transmitted through the circuit board 26. Finally, the injection volume is adjusted by controlling the motor to adjust the outlet pressure in time through the data processing on the well, so as to realize accurate injection, and the accuracy of the injection volume is increased by 10% to 30%. , so as to realize the continuous adjustment of the injection amount of the polymer solution; two, the device of the present invention is provided with a waterproof pin, the first cable joint, the second cable joint and the third cable joint, which can ensure that in the process of communication transmission, the motor , circuit board, inlet pressure sensor, outlet pressure sensor, etc., no solution enters the joints, and the sealing effect is good, so that the motor and circuit can work normally, and the communication transmission is not affected. Moreover, the cable wiring of the present invention is easy, and the installation and use are convenient.

Description of drawings

Fig. 1 is the main sectional structure schematic diagram of the present invention, Fig. 2 is the K-K sectional view among Fig. 6, Fig. 3 is the A-A sectional view of Fig. 1, Fig. 4 is the B-B sectional view of Fig. 1, Fig. 5 is the C-C sectional view of Fig. 1, Fig. 6 is the D-D sectional view of Fig. 1, Fig. 7 is the E-E sectional view of Fig. 1, Fig. 8 is the F-F sectional view of Fig. 1, Fig. 9 is the H-H sectional view of Fig. 1, Fig. 10 is the M-M sectional view of Fig. 4, and Fig. 11 is a sectional view of the present invention The schematic diagram of the front view of the connecting body, Figure 12 is a schematic diagram of the front view of the connection between the second coupling, the transmission shaft, the first coupling and the lead screw, Figure 13 is the first coupling, the screw, the connecting cylinder and Schematic diagram of the front view of the spool connection, Fig. 14 is an enlarged view of I in Fig. 13 .

Detailed ways

Specific embodiment 1: This embodiment is described in conjunction with Fig. 1-Fig. It is a hollow rotary body formed by a plurality of identical busbars rotating around the axis. The device also includes an upper cable cover 2, a pin cover 3, a shell cover 4, a middle connecting cover 5, a connecting body 6, a working main cylinder 7, and a center Pipe 8, connecting sleeve 9, lower connecting sleeve 10, water outlet sleeve 12, first cable joint 13, liquid outlet conduit 14, lead screw 16, first coupling 17, second cable joint 20, third cable joint 22, Lower cable sleeve 24, outlet pressure sensor 25, circuit board 26, motor 27, second coupling 28, inlet pressure sensor 29, transmission shaft 30, water plug 31, connecting cylinder 32 and at least seven waterproof pins 21 ;

The connecting body 6 is integrally made of a coaxially arranged main cylinder 6-4 and a cylinder 6-5, and the middle part of the cylinder 6-5 is provided with a diversion chamber 6-5- 1. An annular positioning groove 6-6 is provided on the upper end surface of the cylinder 6-5, and an annular positioning groove 6-6 is provided on the bottom end surface of the annular positioning groove 6-6 along the axial direction of the cylinder 6-5 and aligned with the annular positioning groove 6-6. Connected guide hole 6-1, the bottom end surface of the annular positioning groove 6-6 is provided with a mounting hole 6-2 arranged in the axial direction of the cylinder 6-5 and communicated with the annular positioning groove 6-6, the main cylinder The outer side of 6-4 is sequentially fitted with upper joint 1, upper cable sleeve 2, pin sleeve 3, shell sleeve 4 and middle connecting sleeve 5 from top to bottom. The upper joint 1 is detachably connected with the main cylinder 6-4 in a sealed manner The upper joint 1 is inserted on the upper cable sleeve 2 and the two are sealed and connected, the upper cable sleeve 2 is inserted on the pin sleeve 3 and the two are sealed, and the pin sleeve 3 is inserted on the shell sleeve 4 and the two are sealed connection, the shell sleeve 4 is inserted on the middle connecting sleeve 5 and the two are sealed and connected, the middle connecting sleeve 5 is inserted in the positioning groove 6-6 and the two are sealed and connected;

A center tube 8, a connecting sleeve 9 and a lower cable sleeve 24 are respectively arranged in the working main cylinder 7, the working main cylinder 7, the central tube 8 and the cylinder 6-5 are coaxially arranged, and the upper end of the central tube 8 has a flange 8- 2. The central tube 8 is detachably connected to the cylinder 6-5 through the flange 8-2. The lower end of the central tube 8 is detachably connected with the lower connecting sleeve 10. The connecting sleeve 9 is set on the central tube 8, the lower cable sleeve 24 and the On the water outlet sleeve 12, the connection sleeve 9 is sealed and connected with the lower cable sleeve 24 and the water outlet sleeve 12 respectively. The connection sleeve 9 is detachably and sealed connected with the central pipe 8. Installed on the water outlet sleeve 12 and the two are sealed and connected, the working main cylinder 7 is detachable and sealed connected with the cylinder 6-5, the working main cylinder 7 is detachable and sealed connected with the lower connecting sleeve 10, and the water outlet sleeve 12 and the lower joint 11 can be detachable and sealed. Disassemble and seal the connection;

The liquid outlet conduit 14 and the water plug 31 are respectively arranged between the working main cylinder 7 and the center pipe 8 along the 7 axis of the main working cylinder. The liquid outlet conduit 14 and the water plug 31 are detachably and sealedly connected, and the water plug 31 is inserted in the connection The sleeve 9 and the two are sealed and connected, and the connecting sleeve 9 is provided with a plurality of water outlet through holes 9-1 along the circumference of the working main cylinder 7;

A spool 15 is arranged in the liquid outlet conduit 14, the motor 27 is installed on the casing 4, the second shaft coupling 28 is arranged on the middle connecting sleeve 5, the transmission shaft 30 is arranged on the middle connecting sleeve 5 through a bearing, and the first coupling Shaft device 17 is arranged in the installation hole 6-2, and leading screw 16 is arranged in the installation hole 6-2 by bearing, and the output end of motor 27 is connected with the second shaft coupling 28, and the second shaft coupling 28 is connected with transmission shaft 30 connection, the transmission shaft 30 is connected with the first coupling 17, the first coupling 17 is connected with the screw 16, the upper end of the valve core 15 is connected with a connecting cylinder 32 and the two are made into one, the screw 16 and the connecting cylinder 32 The middle part of the threaded connection, and the lower end of the screw 16 extends into the cavity of the spool 15;

The side wall of the central tube 8 is provided with a plurality of flow holes 8-1-1 along the circumferential direction of the central tube 8, and the side wall of the liquid outlet conduit 14 is provided with a plurality of liquid outlet through holes 14-1 along the circumferential direction of the liquid outlet conduit 14. , the flow hole 8-1-1 and the liquid outlet hole 14-1 are located in the same plane, and the flange 8-2 is provided with a flow hole 8-2-1 connected with the flow guide hole 6-1, and the middle connection The sleeve 5 is provided with an installation through hole 5-1, the installation through hole 5-1 and the diversion hole 6-1 are coaxial and communicated, and the inlet pressure sensor 29 is installed in the installation through hole 5-1 and the diversion hole 6-1. Inside;

A first installation channel 3-4 is provided on the pin sleeve 3 along the axial direction of the working main cylinder 7, and a second installation channel 4-4 coaxial and communicated with the first installation channel 3-4 is provided on the shell sleeve 4, The outlet pressure sensor 25 is installed in the first installation channel 3-4 and the second installation channel 4-4;

The shell 4 is provided with a second cable joint 20 and a circuit board 26, the upper cable sleeve 2 is provided with a third cable joint 22, the lower cable sleeve 24 is provided with a first cable joint 13, the upper cable sleeve 2, the pin sleeve 3 and the shell 4 are provided with at least three waterproof pins 21, and the pin cover 3 and the shell 4 are provided with four waterproof pins 21;

The circuit board 26 is electrically connected to the inlet pressure sensor 29 , the outlet pressure sensor 25 and the motor 27 through cables connected to the second cable connector 20 , the third cable connector 22 and at least seven pins 21 .

The first cable joint of this embodiment is preferably a three-cable joint, and the second cable joint is a two-cable joint.

Embodiment 2: This embodiment will be described with reference to FIG. 2 . The first coupling 17 in this embodiment is a universal joint. With such arrangement, it has greater angular compensation capability, compact structure and high transmission efficiency. Others are the same as in the first embodiment.

Specific Embodiment Three: This embodiment is described with reference to Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6. The upper cable sleeve 2 of this embodiment is respectively provided with first cable holes along the axial direction of the working main cylinder 7. 2-1 and the second cable hole 2-2, the pin cover 3 is respectively provided with the upper third cable hole 3-1, the fourth cable hole 3-2 and the fifth cable hole 3 along the axial direction of the working main cylinder 7 -3, the upper sixth cable hole 4-1, the seventh cable hole 4-2 and the eighth cable hole 4-3 are respectively arranged on the shell 4 along the axial direction of the working main cylinder 7, and the cylinder 6-5 is also provided with There is a ninth cable hole 6-3;

The first cable hole 2-1, the third cable hole 3-1 and the sixth cable hole 4-1 are coaxially arranged, the first cable hole 2-1, the third cable hole 3-1 and the sixth cable hole 4 -1 is pierced with at least three waterproof pins 21;

The second cable hole 2-2, the fourth cable hole 3-2 and the seventh cable hole 4-2 are coaxially arranged, the second cable hole 2-2 is provided with a third cable joint 22, and the fourth cable hole 3 -2 and the seventh cable hole 4-2 are pierced with two waterproof pins 21;

The fifth cable hole 3-3, the eighth cable hole 4-3 and the ninth cable hole 6-3 are coaxially arranged, and the fifth cable hole 3-3 and the eighth cable hole 4-3 are worn with a second Cable connector 20 and two waterproof pins 21;

Such setting ensures easy cable layout, convenient installation and use, better guarantees that the motor and circuit can work normally, and the communication transmission is not affected. Others are the same as in the first or second embodiment.

Specific Embodiment 4: This embodiment is described in conjunction with Fig. 5 and Fig. 6. In this embodiment, a motor mounting hole 4-5 is also provided on the casing 4, and the motor mounting hole 4-5 is coaxially arranged with the mounting hole 6-2. . Such setting, misplaced setting with other through-holes of the aqueous solution, ensures that the motor and the circuit can work normally, and the communication transmission is not affected. Others are the same as in the third embodiment.

Embodiment 5: This embodiment is described in conjunction with Fig. 1 and Fig. 9. The water outlet jacket 12 in this embodiment is provided with water outlet holes 12-1 corresponding to the number of water outlet through holes 9-1, and each water outlet through hole 9-1 is arranged coaxially with the corresponding water outlet holes 12-1, and the number of said water outlet through holes 9-1 is 8-12. Such a setting can well meet the needs of the outlet liquid, and increase the water plugging, which can well avoid the freezing of the water in the outlet hole in winter. Others are the same as the specific embodiment 1, 2 or 4.

Embodiment 6: This embodiment is described with reference to FIG. 2 . The number of waterproof pins 21 in this embodiment is seven. Such setting can meet the needs of cable routing and waterproofing. Others are the same as the specific embodiment 1, 2 or 4.

Specific Embodiment 7: This embodiment is described in conjunction with FIG. 7. At least four threaded holes 8-2-2 are provided on the flange 8-2 of this embodiment, and the central tube 8 and the cylinder 6-5 are screwed at least The bolts in the four threaded holes 8-2-2 are detachably connected. Such arrangement is convenient for installation and disassembly. Others are the same as the specific embodiment 1, 2 or 4.

Embodiment 8: This embodiment is described in conjunction with Fig. 1 and Fig. 2. The upper joint 1 in this embodiment is threadedly connected with the main cylinder 6-4 and sealed by a sealing ring. The upper joint 1 is inserted on the upper cable sleeve 2 and The two are sealed by the sealing ring, the upper cable sleeve 2 is inserted on the pin sleeve 3 and the two are sealed by the sealing ring, the pin sleeve 3 is inserted on the shell 4 and the two are sealed by the sealing ring, and the shell 4 is inserted Installed on the middle connecting sleeve 5 and the two are sealed by the sealing ring, the middle connecting sleeve 5 is inserted in the positioning groove 6-6 and the two are sealed by the sealing ring, the lower end of the central pipe 8 is threadedly connected with the lower connecting sleeve 10 and passed through The sealing ring is sealed, the connecting sleeve 9 is respectively sealed with the lower cable sleeve 24 and the water outlet sleeve 12 through the sealing ring, the connecting sleeve 9 is threaded with the central pipe 8 and sealed through the sealing ring, and the connecting sleeve 9 and the working main cylinder 7 are sealed through the sealing ring. The lower connecting sleeve 10 is inserted on the water outlet sleeve 12 and the two are sealed by a sealing ring. The working main cylinder 7 is threadedly connected with the cylinder 6-5 and sealed by the sealing ring. The working main cylinder 7 is threaded and connected with the lower connecting sleeve 10 and is sealed The water outlet sleeve 12 is threadedly connected with the lower joint 11 and sealed by the sealing ring, the liquid outlet conduit 14 is threadedly connected with the water plug 31 and sealed by the sealing ring, the water plug 31 is inserted on the connecting sleeve 9 and both pass through the sealing ring seal. With this setting, the sealing effect is good, so that the motor and circuit can work normally, and the communication transmission will not be affected. Others are the same as the specific embodiment 1, 2 or 4.

Specific Embodiment Nine: This embodiment is described in conjunction with FIG. 5 . The device described in this embodiment also includes an anti-rotation body 23 . The anti-rotation body 23 is installed on the shell 4 , and the motor 17 is connected to the shell 4 through the anti-rotation body 23 . Such setting is convenient to ensure that the motor can be reliably and stably fixed on the casing 4, ensures stable and continuous operation, and is also convenient for installation and maintenance. Others are the same as the eighth embodiment.

Embodiment 10: This embodiment will be described with reference to FIG. 2 . The device in this embodiment also includes a car-type sealing ring 18 , and the drive shaft 30 and the middle connecting sleeve 5 are sealed by the car-type sealing ring 18 . With such setting, the sealing performance of the Cheshi sealing ring is reliable, the service life is long, the frictional resistance is small, the cost performance is good, and the installation and use are convenient. The combination of anti-friction slip rings is an ideal product for the replacement of conventional sealing products and the replacement of imported seals. It has been used in the connection work of domestic aircraft landing gear and engineering hydraulic cylinders, and products produced by Xuzhou Cheshi Sealing Co., Ltd. can be used. . Others are the same as those in Embodiment 1 or Embodiment 9.

work process

The output power of the motor 27 drives the second shaft coupling 28, the transmission shaft 30, the first shaft coupling 17 and the lead screw 16 to rotate, and the rotation of the lead screw 16 drives the connecting cylinder 32 threaded with it to reciprocate along the axis of the lead screw , and then drives the spool 15 to reciprocate. At this time, the flow rate of the water flowing through the flow hole 8-1-1 and the liquid outlet through hole 14-1 changes, and then causes the flow of water to enter the flow channel connected to the flow guide hole 6-1. The pressure of the water in the flow hole 8-2-1 changes, the pressure of the liquid inlet is measured by the inlet pressure sensor 29 installed in the flow hole 8-2-1, the pressure of the solution outlet is measured by the outlet pressure sensor 25, and the pressure of the solution outlet is measured by the outlet pressure sensor 25. The circuit board 26 performs data transmission, and finally controls the motor to adjust the outlet pressure in time through the data processing on the well to adjust the injection volume.

The aqueous solution enters the upper joint 1, the main cylinder 6-4 of the connecting body 6 and the central tube 8 in turn, and passes through the flow hole 8-1-1 and the liquid outlet hole 14-1 in the central tube 8, and the aqueous solution enters the working main cylinder 7 In the cavity and the liquid outlet conduit 14, the aqueous solution entering the main working cylinder 7 enters the diversion hole 6-1 through the orifice 8-2-1, thereby realizing the pressure monitoring of the inlet pressure sensor 29,

The cable goes through the second cable hole 2-2 of the upper cable cover 2, connects to the pin 21 through the fourth cable hole 3-2 on the pin cover 3, and then enters the upper cable through the gap in the pin cover 3 The first cable hole 2-1 of the sleeve 2 is connected to the pin 21, and then connected to the pin 21 through the third cable hole 3-1 on the pin sleeve 3, and is divided into two ways, one way through the pin The fifth cable hole 3-3 on the cover 3, the eighth cable hole 4-3 on the shell cover 4 are connected to the pin 21, and then pass through the ninth cable hole 6-3 on the middle connecting sleeve 5 and the connecting body 6, Finally, the first cable joint 13 extends out, and is connected with the motor 27, the circuit board 26, the inlet pressure sensor 29 and the outlet pressure sensor 25 all the way, and the cable sends the measured data to the ground device. The invention is used for polymer injection oil recovery.

Claims (10)

1. baffle type crosses the automatically controlled continuously adjustabe injection allocation apparatus of water injection well, and described device comprises top connection (1), lower contact (11) and spool (15), spool (15), for rotate about the axis by multiple identical bus the hollow revolving body formed, is characterized in that: described device also comprises cable joint-box (2), contact pin cover (3), valve jacket (4), middle adapter sleeve (5), connector (6), work main cylinder (7), central tube (8), adapter sleeve (9), lower joint sleeve (10), water outlet sleeve (12), first cable connector (13), eluate conduit (14), leading screw (16), first shaft coupling (17), second cable connector (20), 3rd cable connector (22), lower cable joint-box (24), outlet pressure sensor (25), circuit board (26), motor (27), second shaft coupling (28), inlet pressure sensor (29), power transmission shaft (30), water blocking (31), connecting cylinder (32) and at least seven have the contact pin (21) of waterproof,

Described connector (6) is made into integration by the main cylinder (6-4) coaxially arranged and cylinder (6-5), the middle part of cylinder (6-5) is provided with the diversion cavity (6-5-1) with the inner space of main cylinder (6-4), the upper surface of cylinder (6-5) is provided with annular positioning groove (6-6), the bottom face of annular positioning groove (6-6) is provided with that axis along cylinder (6-5) is arranged and the pod apertures (6-1) be communicated with annular positioning groove (6-6), the bottom face of annular positioning groove (6-6) is provided with that axis along cylinder (6-5) is arranged and the installing hole (6-2) be communicated with annular positioning groove (6-6), the outside of main cylinder (6-4) is set with top connection (1) from top to bottom successively, upper cable joint-box (2), contact pin cover (3), valve jacket (4) and middle adapter sleeve (5), top connection (1) and main cylinder (6-4) are detachable and be tightly connected, top connection (1) be inserted into cable joint-box (2) upper and the two be tightly connected, upper cable joint-box (2) be inserted into contact pin cover (3) upper and the two be tightly connected, contact pin cover (3) be inserted into valve jacket (4) upper and the two be tightly connected, valve jacket (4) be inserted into middle adapter sleeve (5) upper and the two be tightly connected, middle adapter sleeve (5) is inserted in locating slot (6-6) and the two is tightly connected,

Work in main cylinder (7) and be respectively arranged with central tube (8), adapter sleeve (9) and lower cable joint-box (24), work main cylinder (7), central tube (8) and cylinder (6-5) three are coaxially arranged, the upper end of central tube (8) has flange (8-2), central tube (8) and cylinder (6-5) are removably connected by flange (8-2), the lower end of central tube (8) and lower joint sleeve (10) are detachable and be tightly connected, adapter sleeve (9) is sleeved on central tube (8), in lower cable joint-box (24) and water outlet sleeve (12), adapter sleeve (9) is tightly connected with lower cable joint-box (24) and water outlet sleeve (12) respectively, adapter sleeve (9) and central tube (8) are detachable and be tightly connected, adapter sleeve (9) is tightly connected with the main cylinder of work (7), the water outlet sleeve (12) that is inserted into lower joint sleeve (10) goes up and the two is tightly connected, work main cylinder (7) and cylinder (6-5) is detachable and be tightly connected, work main cylinder (7) and lower joint sleeve (10) is detachable and be tightly connected, water outlet sleeve (12) and lower contact (11) are detachable and be tightly connected,

Eluate conduit (14) and water blocking (31) are arranged between the main cylinder of work (7) and central tube (8) along the axis of the main cylinder of work (7) respectively, eluate conduit (14) and water blocking (31) are detachable and be tightly connected, water blocking (31) be inserted into adapter sleeve (9) upper and the two be tightly connected, the upper circumference along the main cylinder of work (7) of adapter sleeve (9) is provided with multiple water outlet through hole (9-1);

Spool (15) is provided with in eluate conduit (14), motor (27) is arranged on valve jacket (4), second shaft coupling (28) is arranged on middle adapter sleeve (5), power transmission shaft (30) is arranged on middle adapter sleeve (5) by bearing, first shaft coupling (17) is arranged in installing hole (6-2), leading screw (16) is arranged in installing hole (6-2) by bearing, the output of motor (27) is connected with the second shaft coupling (28), second shaft coupling (28) is connected with power transmission shaft (30), power transmission shaft (30) is connected with the first shaft coupling (17), first shaft coupling (17) is connected with leading screw (16), the upper end of spool (15) is connected with connecting cylinder (32) and the two makes one, leading screw (16) is threaded with the middle part of connecting cylinder (32), and leading screw (16) lower end is stretched in the cavity of spool (15),

The circumference of the sidewall of central tube (8) centrally being managed (8) has multiple opening (8-1-1) excessively, on the sidewall of eluate conduit (14) along the circumference of eluate conduit (14) have multiple go out fluid through-hole (14-1), cross opening (8-1-1) and go out fluid through-hole (14-1) and be positioned at same plane, flange (8-2) is provided with the flowing hole (8-2-1) be communicated with pod apertures (6-1), middle adapter sleeve (5) is provided with through hole (5-1) is installed, through hole (5-1) is installed coaxial with pod apertures (6-1) and be communicated with and arrange, inlet pressure sensor (29) is arranged on installs through hole (5-1) with in pod apertures (6-1),

The upper axis along the main cylinder of work (7) of contact pin cover (3) is provided with the first installation passage (3-4), valve jacket (4) is provided with to install passage (3-4) with first coaxial and be communicated with second install passage (4-4), outlet pressure sensor (25) is arranged on the first installation passage (3-4) and second and installs in passage (4-4);

Valve jacket (4) is provided with the second cable connector (20) and circuit board (26), upper cable joint-box (2) is provided with the 3rd cable connector (22), lower cable joint-box (24) is provided with the first cable connector (13), upper cable joint-box (2), contact pin cover (3) and valve jacket (4) are equipped with the contact pin (21) that at least three have waterproof, contact pin cover (3) and valve jacket (4) are equipped with the contact pin (21) that four have waterproof;

Circuit board (26) is electrically connected with inlet pressure sensor (29), outlet pressure sensor (25) and motor (27) respectively by the cable be connected on the second cable connector (20), the 3rd cable connector (22) and at least seven contact pins (21).

2. baffle type according to claim 1 crosses the automatically controlled continuously adjustabe injection allocation apparatus of water injection well, and its special permission is: described first shaft coupling (17) is Hooks coupling universal coupling.

3. baffle type according to claim 1 and 2 crosses the automatically controlled continuously adjustabe injection allocation apparatus of water injection well, it is characterized in that: the upper axis along the main cylinder of work (7) of upper cable joint-box (2) is respectively arranged with the first cable aperture (2-1) and the second cable aperture (2-2), the upper axis along the main cylinder of work (7) of contact pin cover (3) is respectively arranged with the 3rd cable aperture (3-1), 4th cable aperture (3-2) and the 5th cable aperture (3-3), the upper axis along the main cylinder of work (7) of valve jacket (4) is respectively arranged with the 6th cable aperture (4-1), 7th cable aperture (4-2) and the 8th cable aperture (4-3), cylinder (6-5) is also provided with the 9th cable aperture (6-3),

First cable aperture (2-1), the 3rd cable aperture (3-1) and the 6th cable aperture (4-1) three are coaxially arranged, and are equipped with the contact pin (21) that at least three have waterproof in the first cable aperture (2-1), the 3rd cable aperture (3-1) and the 6th cable aperture (4-1);

Second cable aperture (2-2), the 4th cable aperture (3-2) and the 7th cable aperture (4-2) three are coaxially arranged, be provided with the 3rd cable connector (22) in second cable aperture (2-2), in the 4th cable aperture (3-2) and the 7th cable aperture (4-2), be equipped with the contact pin (21) that two have waterproof;

5th cable aperture (3-3), the 8th cable aperture (4-3) and the 9th cable aperture (6-3) three are coaxially arranged, and are equipped with the contact pin (21) that the second cable connector (20) and two have waterproof in the 5th cable aperture (3-3) and the 8th cable aperture (4-3).

4. baffle type according to claim 3 crosses the automatically controlled continuously adjustabe injection allocation apparatus of water injection well, it is characterized in that: described valve jacket (4) is also provided with motor installing hole (4-5), motor installing hole (4-5) and installing hole (6-2) are coaxially arranged.

5. the baffle type according to claim 1,2 or 4 crosses the automatically controlled continuously adjustabe injection allocation apparatus of water injection well, it is characterized in that: described water outlet sleeve (12) is provided with the weep hole (12-1) consistent with water outlet through hole (9-1) quantity, and each water outlet through hole (9-1) is coaxially arranged with corresponding weep hole (12-1), the quantity of described water outlet through hole (9-1) is 8 ~ 12.

6. the baffle type according to claim 1,2 or 4 crosses the automatically controlled continuously adjustabe injection allocation apparatus of water injection well, it is characterized in that: described in there is the contact pin (21) of waterproof quantity be seven.

7. the baffle type according to claim 1,2 or 4 crosses the automatically controlled continuously adjustabe injection allocation apparatus of water injection well, it is characterized in that: flange (8-2) is provided with at least four screwed holes (8-2-2), central tube (8) and cylinder (6-5) are removably connected by the bolt be screwed at least four screwed holes (8-2-2).

8. according to claim 1, baffle type described in 2 or 4 crosses the automatically controlled continuously adjustabe injection allocation apparatus of water injection well, it is characterized in that: top connection (1) is threaded with main cylinder (6-4) and is sealed by sealing ring, top connection (1) be inserted into cable joint-box (2) upper and the two sealed by sealing ring, upper cable joint-box (2) be inserted into contact pin cover (3) upper and the two sealed by sealing ring, contact pin cover (3) be inserted into valve jacket (4) upper and the two sealed by sealing ring, valve jacket (4) be inserted into middle adapter sleeve (5) upper and the two sealed by sealing ring, middle adapter sleeve (5) is inserted in locating slot (6-6) and the two is sealed by sealing ring, the lower end of central tube (8) is threaded with lower joint sleeve (10) and is sealed by sealing ring, adapter sleeve (9) is sealed by sealing ring with lower cable joint-box (24) and water outlet sleeve (12) respectively, adapter sleeve (9) is threaded with central tube (8) and is sealed by sealing ring, adapter sleeve (9) is sealed by sealing ring with the main cylinder of work (7), the water outlet sleeve (12) that is inserted into lower joint sleeve (10) goes up and the two is sealed by sealing ring, the main cylinder (7) that works is threaded with cylinder (6-5) and is sealed by sealing ring, the main cylinder (7) that works is threaded with lower joint sleeve (10) and is sealed by sealing ring, water outlet sleeve (12) is threaded with lower contact (11) and is sealed by sealing ring, eluate conduit (14) is threaded with water blocking (31) and is sealed by sealing ring, water blocking (31) be inserted into adapter sleeve (9) upper and the two sealed by sealing ring.

9. baffle type according to claim 8 crosses the automatically controlled continuously adjustabe injection allocation apparatus of water injection well, its special permission is: described device also comprises to be prevented turning (23), anti-turn (23) are arranged on valve jacket (4), and motor (17) is connected on valve jacket (4) by anti-turn (23).

10. the baffle type according to claim 1 or 9 crosses the automatically controlled continuously adjustabe injection allocation apparatus of water injection well, it is characterized in that: described device also comprises car formula sealing ring (18), power transmission shaft (30) and middle adapter sleeve (5) are sealed by Che Shi sealing ring (18).