CN213450276U

CN213450276U - Cable type intelligent separate mining device

Info

Publication number: CN213450276U
Application number: CN202021937905.9U
Authority: CN
Inventors: 刘伟; 甘定定; 邱增卫; 田庚; 易康
Original assignee: Xian Luoke Electronic Technology Co Ltd
Current assignee: Xian Luoke Electronic Technology Co Ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-15
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a device is adopted to cable type intelligence branch, in the device, the upside of protecting a section of thick bamboo outward is through spiro union and top connection, the downside passes through metal seal ring and lower clutch connection, the screen pipe box establishes on the lower clutch, the downside overflow pipe setting of screen pipe is protected a section of thick bamboo outward and form annular space between the two, eccentric joint and top connection intercommunication are passed through to the upper end of overflow pipe, lower extreme and lower clutch intercommunication, set up the flow nipple joint in the annular space, measure the master control nipple joint, glib regulation and control nipple joint, the bus nipple joint, it is provided with the oil inlet to lie in the screen pipe inboard on the lower clutch, the oil inlet is through glib regulation and control nipple joint and flow nipple joint intercommunication, the upper end and the eccentric joint intercommunication of flow nipple joint, the bus nipple joint respectively with measure the master control nipple joint, glib. The utility model discloses can control each position glib opening size, each layer of real-time measurement divides adopts flow, water-holding, pressure temperature isoparametric.

Description

Cable type intelligent separate mining device

Technical Field

The utility model belongs to the oil field production field, concretely relates to cable type intelligence divides adopts device.

Background

With the development of various domestic oil fields, the development of various oil fields gradually enters the middle and later stages of high water holding, and the production string begins to have the characteristics of multiple layers, long well section, large difference of physical properties between layers, serious heterogeneity and the like. Therefore, the production mode also begins to be changed from single well combined production to layered production step by step, the recovery ratio is improved, and the development cost is saved.

At present, the intelligent layered oil extraction device is popularized and used in oil fields, but the instrument still has many defects, which are mainly expressed in the following three points:

1. the adopted float flowmeter has large displacement and is easy to block.

2. The whole sealing reliability is low, and the leakage is easy to occur when the underground sealing structure is positioned for a long time.

4. The turbolator is often locked.

SUMMERY OF THE UTILITY MODEL

In view of this, the main object of the present invention is to provide a cable type intelligent separate mining device.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the embodiment of the utility model provides a device is adopted to cable type intelligence branch, the device include top connection, outer casing, screen pipe, lower clutch, eccentric joint, overflow pipe, the upside that protects a section of thick bamboo outward passes through spiro and top connection, and the downside passes through metal sealing ring and is connected with the lower clutch, the screen pipe cover is established on the lower clutch, the downside of screen pipe the overflow pipe sets up in protecting a section of thick bamboo outward and form annular space between the two, the upper end of overflow pipe is through eccentric joint and top connection intercommunication, lower extreme and lower clutch intercommunication, set up flow nipple joint, measurement master control nipple joint, glib regulation nipple joint, bus nipple joint in the annular space, it is provided with the oil inlet to lie in the screen pipe inboard on the lower clutch, the oil inlet regulates and control nipple joint and flow intercommunication through the glib, the upper end and the eccentric joint intercommunication of flow master control nipple joint, the bus respectively with measurement nipple joint, the glib regulation nipple joint electricity is connected, it sets up on the lower clutch to measure the master control nipple joint.

In the above scheme, the flow nipple is a float flowmeter and comprises an outer pipe, a connector, an inner pipe, an upper support, a lower support, a float, a spring and a turbulence pipe, wherein the outer pipe is sleeved outside the inner pipe and forms a fluid annular channel, the fluid annular channel at one end of the inner pipe is communicated with an eccentric connector through the turbulence pipe, the other end of the inner pipe is communicated with the lower connector through the connector, the upper support and the lower support are respectively arranged on two sides of the inner pipe, the float penetrates through the inside of the upper support and the lower support, the spring is arranged between one end of the inner pipe and the upper support, the other end of the inner pipe extends into the connector, a liquid outlet is arranged at a position between the upper support and the lower support.

In the scheme, an oil pipe female buckle is arranged at the upper end of the upper joint, and a cable head interface is reserved; and a sealing ring and a metal check ring are sequentially sleeved between the upper joint and the outer protective cylinder from top to bottom, and the sealing ring is sealed with the upper joint and the outer protective cylinder through rubber rings.

In the above scheme, measure the master control nipple joint and include sensor mount pad, first pressure sensor, second pressure sensor, the both sides of sensor mount pad are provided with the mounting hole that is used for installing first pressure sensor and second pressure sensor respectively, first pressure sensor and second pressure sensor's afterbody all is fixed through gland nut, gland nut upper portion cover is equipped with the sealing washer, the side of two mounting holes of sensor mount pad is provided with first pressure guide hole and second respectively and leads the pressure hole, first pressure guide hole and second lead the pressure hole and separate through sealed rubber ring, first pressure guide hole and second lead the pressure hole and are used for respectively with intraductal and outside of tubes pressure effect on corresponding pressure sensor.

In the above scheme, the sensor mounting base is provided with a through hole for leading the lead of the first pressure sensor to the right end through the through hole.

Compared with the prior art, the utility model discloses connect on the oil pipe tubular column along with oil pipe downhole, by cable junction between each level appearance ware, each level choke aperture size is controlled respectively to accessible ground controller after the downhole to each layer of real-time measurement divides adopts flow, water-holding, pressure temperature isoparametric, and steerable water injection well choke is closed simultaneously and is died, accomplishes work such as recovery pressure measurement.

Drawings

Fig. 1 is a schematic view of an external form of a cable type intelligent separate mining device according to an embodiment of the present invention;

fig. 2 an installation schematic diagram of each short section in the cable type intelligent separate mining device is provided in the embodiment of the utility model;

fig. 3 is a partial cross-sectional view of a joint between an upper joint and an outer casing of a cable-type intelligent separate mining device according to an embodiment of the present invention;

fig. 4 is a partial cross-sectional view of a flow nipple in a cable type intelligent separate mining device provided by the embodiment of the utility model;

fig. 5 is a schematic view of a turbulent flow pipe in a flow measurement nipple in a cable type intelligent separate mining device;

fig. 6 is the embodiment of the utility model provides a measure the schematic structure of master control nipple joint in cable type intelligence is divided and is adopted the device.

Fig. 7 is the embodiment of the utility model provides a lower clutch's partial cross-sectional view in cable type intelligence branch adopts device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The embodiment of the utility model provides a cable type intelligence is divided and is adopted device, as shown in figure 1-7, the device includes top connection 1, outer protecting tube 2, screen pipe 3, lower clutch 4, eccentric joint 5, overflow pipe 6, the upside of outer protecting tube 2 is connected with top connection 1 through spiro 21, the downside is connected with lower clutch 4 through the metal sealing ring, screen pipe 3 cover is established on lower clutch 4, the downside of screen pipe 3 the overflow pipe 6 sets up in outer protecting tube 2 and forms annular space between the two, the upper end of overflow pipe 6 communicates with top connection 1 through eccentric joint 5, the lower extreme communicates with lower clutch 4, set up flow nipple 7, measure master control nipple 8, glib regulation nipple 9, bus nipple 10 in the annular space, the inboard oil inlet 41 that is located screen pipe 3 on lower clutch 4, oil inlet 41 communicates with nipple 7 through glib regulation and control nipple 9, the upper end and the eccentric joint 5 intercommunication of flow nipple joint 7, bus nipple joint 10 is connected with measurement master control nipple joint 8, glib regulation and control nipple joint 9 electricity respectively, measurement master control nipple joint 8 sets up on lower clutch 4.

The flow nipple 7 is a float flowmeter and comprises an outer pipe 71, a joint 72, an inner pipe 73, an upper support 74, a lower support 75, a float 76, a spring 77 and a turbulence pipe 78, wherein the outer pipe 71 is sleeved outside the inner pipe 73 and forms a fluid annular channel, the fluid annular channel at one end of the inner pipe 73 is communicated with the eccentric joint 5 through the turbulence pipe 78, the other end of the inner pipe is communicated with the lower joint 4 through the joint 72, the upper support 74 and the lower support 75 are respectively arranged on two sides inside the inner pipe 73, the float 76 penetrates through the inside of the upper support 74 and the lower support 75, the spring 77 is arranged between one end of the inner pipe and the upper support 74, the other end of the inner pipe extends into the joint 72, a liquid outlet 731 is arranged at a position between the upper support 74 and the lower support 75, and the liquid.

An oil pipe female buckle is arranged at the upper end of the upper joint 1, and a cable head interface is reserved; a sealing ring 23 and a metal retainer ring 24 are sequentially sleeved between the upper connector 1 and the outer protective cylinder 2 from top to bottom, and the sealing ring 23 is sealed with the upper connector 1 and the outer protective cylinder 2 through rubber rings.

Need screw in simultaneously when installing top connection 1 and outer protective barrel 3 and two sets of sealed faces of eccentric joint 5, the resistance is very big, and the mounting means in the past is for directly processing screw thread and sealed face on top connection 1, and top connection 1 all has relative rotation with outer protective barrel 3 and eccentric joint 5 during the installation, very easily causes the wearing and tearing of sealing washer and sealed face, buries down hidden danger for the instrument reliability.

As shown in fig. 3, the utility model discloses last spiro 21, sealing ring 23, the metal retaining ring 24 of overlapping in proper order of last connector 1, sealed with the rubber circle between sealing ring 23 and the top connection 1, metal retaining ring 24 blocks sealing ring 23 and spiro 21, also adopts the rubber circle to seal between sealing ring 23 and the outer protective barrel 3, and spiro 21 can be relative top connection 1 coaxial rotation, can not axial displacement.

When the sealing ring is installed, an inner sealing hole of the upper joint 1 is aligned with a sealing surface at the upper end of the eccentric joint 5, the rotary spiral ring 21 is screwed with threads in the outer protective cylinder 3, the sealing ring 23 and the outer sealing ring enter a sealing surface of the outer protective cylinder 3 along with the screwing of the spiral ring 21, and an upper sealing surface of the eccentric joint 5 and the sealing ring also enter the inner sealing hole of the upper joint 1 until the sealing ring is installed in place; only axial movement exists between the upper joint 1 and the eccentric joint 5 and between the sealing ring 23 and the outer protective sleeve 3 in the installation process, no rotary motion exists, the probability of abrasion of the sealing ring and the sealing surface is greatly reduced, and the sealing reliability is improved.

The first contact point 761 of the float 76 and the lower bracket 75 is in conical surface contact, the contact area is large when the float 76 is closed, the leakage is small, the float 76 can respond to the small displacement, the second contact point 762 of the float 76 and the lower bracket 75, and the third contact point 773 of the float 76 and the upper bracket 74 are rounded off, the contact length is less than or equal to 1mm, the line contact is approximate, and the silt is not easy to be reserved to cause blocking.

In order to make the water holding measurement more accurate, in the present invention, the fluid enters the annular space formed by the outer tube 71 and the inner tube 73 from the liquid outlet 731 after passing through the float 71 shown in fig. 4. Into the interior of the spoiler tube 78 in the direction of the arrow in fig. 5.

The end of the turbulent flow pipe 78 is provided with a bulge with a sharp corner, so that the effect of cutting and mixing the fluid can be achieved, and the structure is simple and reliable.

The measurement master control short section 8 comprises a sensor mounting seat 81, a first pressure sensor 82 and a second pressure sensor 83, mounting holes for mounting the first pressure sensor 82 and the second pressure sensor 83 are respectively formed in two sides of the sensor mounting seat 81, tails of the first pressure sensor 82 and the second pressure sensor 83 are fixed through a compression nut 84, a sealing ring 85 is sleeved on the upper portion of the compression nut 84, a first pressure guide hole 86 and a second pressure guide hole 87 are respectively formed in the side faces of the two mounting holes of the sensor mounting seat 81, the first pressure guide hole 86 and the second pressure guide hole 87 are separated through a sealing rubber ring 88, and the first pressure guide hole 86 and the second pressure guide hole 87 are respectively used for acting pressure inside and outside the pipe on the corresponding pressure sensors.

Epoxy resin type pouring sealant is poured into the inner cavity 811 at the tail parts of the first pressure sensor 82 and the second pressure sensor 83, when the sealing ring on the first pressure sensor 82 or the second pressure sensor 83 fails, pressurized fluid is blocked by the epoxy resin glue poured into the inner cavity 811 and the sealing ring, the sensors cannot fail, and the fluid cannot leak into the measurement master control short section 8.

The sensor mounting seat 81 is provided with a through hole 89 for guiding a lead of the first pressure sensor 82 to the right end through the through hole.

The oil nozzle regulating and controlling short section 9 comprises a motor, a piston rod and a water nozzle, the output end of the motor is connected with the piston rod, and the water nozzle is connected with the piston rod and used for moving up and down under the driving of the motor to regulate the size of the flow area of the water nozzle and the oil inlet 41.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a device is adopted to cable type intelligence branch, its characterized in that, the device include top connection, protect a section of thick bamboo, screen pipe, lower clutch, eccentric joint, overflow pipe outward, the upside of protecting a section of thick bamboo outward is passed through the spiro and is connected with the top connection, and the downside passes through metal seal ring and lower clutch connection, the screen pipe cover is established on the lower clutch, the downside of screen pipe the overflow pipe sets up in protecting a section of thick bamboo outward and form annular space between the two, the upper end of overflow pipe is through eccentric joint and top connection intercommunication, lower extreme and lower clutch intercommunication, set up flow nipple joint, measurement master control nipple joint, glib regulation nipple joint, bus nipple joint in the annular space, it is provided with the oil inlet to lie in the screen pipe inboard on the lower clutch, the oil inlet regulates and controls nipple joint intercommunication through the glib, the upper end and the eccentric joint intercommunication of flow nipple joint, the glib regulation nipple joint electricity is connected, it sets up on the lower clutch to measure the master control nipple joint.

2. The cable type intelligent separate mining device according to claim 1, wherein the flow nipple is a float flowmeter and comprises an outer pipe, a joint, an inner pipe, an upper support, a lower support, a float, a spring and a turbulence pipe, the outer pipe is sleeved outside the inner pipe and forms a fluid annular channel, the fluid annular channel at one end of the inner pipe is communicated with an eccentric joint through the turbulence pipe, the other end of the fluid annular channel is communicated with the lower joint through the joint, the upper support and the lower support are respectively arranged on two sides in the inner pipe, the float penetrates through the inner parts of the upper support and the lower support, the spring is arranged between one end of the float and the upper support, the other end of the float extends into the joint, a liquid outlet is arranged at a position between the inner pipe and the upper support and the lower support, and the.

3. The cable type intelligent separate mining device according to claim 1 or 2, wherein an oil pipe female fastener is arranged at the upper end of the upper joint, and a cable head interface is reserved; and a sealing ring and a metal check ring are sequentially sleeved between the upper joint and the outer protective cylinder from top to bottom, and the sealing ring is sealed with the upper joint and the outer protective cylinder through rubber rings.

4. The cable type intelligent separate mining device according to claim 3, wherein the measuring main control short section comprises a sensor mounting seat, a first pressure sensor and a second pressure sensor, mounting holes for mounting the first pressure sensor and the second pressure sensor are respectively formed in two sides of the sensor mounting seat, tails of the first pressure sensor and the second pressure sensor are fixed through a compression nut, a sealing ring is sleeved on the upper portion of the compression nut, a first pressure guide hole and a second pressure guide hole are respectively formed in the side surfaces of the two mounting holes of the sensor mounting seat, the first pressure guide hole and the second pressure guide hole are separated through the sealing rubber ring, and the first pressure guide hole and the second pressure guide hole are respectively used for acting pressure inside and outside the pipe on the corresponding pressure sensors.

5. The cable-type intelligent separate mining device according to claim 4, wherein the sensor mounting seat is provided with a through hole for leading the lead of the first pressure sensor to the right end through the through hole.