CN212177117U - Integrated packer type intelligent water distributor - Google Patents
Integrated packer type intelligent water distributor Download PDFInfo
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- CN212177117U CN212177117U CN202022688542.6U CN202022688542U CN212177117U CN 212177117 U CN212177117 U CN 212177117U CN 202022688542 U CN202022688542 U CN 202022688542U CN 212177117 U CN212177117 U CN 212177117U
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Abstract
In order to solve among the prior art cable packer and water injection mandrel and adopt the oil pipe nipple joint to be connected, lead to the interlamellar spacing can not be too little, be not suitable for the technical problem of little calorie apart from segmentation water injection, the utility model provides an integrated packer formula intelligence water injection mandrel, including center tube, top connection, well joint, packer mechanism, water injection mandrel mechanism, the both ends of center tube are respectively through screw thread and top connection, well articulate, packer mechanism cover is established outside and being located the top connection and well articulate at the center tube, water injection mandrel mechanism passes through well joint and is connected with the center tube, be provided with the through wires hole that link up in center tube, top connection, the well joint. The utility model discloses be integrated as an instrument with original cable packer and intelligent water injection mandrel, reduce the link of connection, realize the small calorie apart from subdividing the water injection, reduce junction quantity, improve the reliability, reduce cost.
Description
Technical Field
The utility model belongs to the technical field of the oil field layering water injection, concretely relates to integrated packer formula intelligence water injection mandrel.
Background
With the continuous progress of the technology, the technological method of the oil field in the field of separated layer water injection is continuously updated, and the intelligent separate injection technology which is placed underground for a long time is gradually popularized at present, however, some problems are found in the practical application process, and the method specifically comprises the following steps:
the cable-passing packer and the water distributor are two independent instruments, and are connected by adopting an oil pipe short section, so that the interlayer spacing cannot be too small, and the cable-passing packer and the water distributor are not suitable for small-clamping-distance subdivision water injection;
the water distributor is connected with the packer through a cable head, a protection clamp needs to be installed, construction cost is high, cable leakage risks can be increased due to the fact that the number of cable connection times is increased, and working reliability of the system is reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the main object of the present invention is to provide an integrated packer type intelligent water distributor.
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 an integrated packer formula intelligence water injection mandrel, including center tube, top connection, well joint, packer mechanism, water injection mandrel mechanism, the both ends of center tube are respectively through screw thread and top connection, well articulate, packer mechanism cover is established in the center tube outside and is located between top connection and the well joint, water injection mandrel mechanism passes through well joint and is connected with the center tube, be provided with the through wires hole that link up in center tube, top connection, the well joint.
In the above scheme, a liner tube is arranged between the packer mechanism and the central tube.
In the above scheme, packer mechanism includes piston, internal piston, well washing cover, packing element subassembly, slips, lower piston, the outside of center tube is overlapped in proper order and is established piston, well washing cover, packing element subassembly, slips, lower piston, the internal piston sets up between last piston and center tube, the one end and the top connection of going up the piston are connected, and the other end passes through the deblocking pin and is connected with well washing cover, the slips passes through the slip seat and sets up outside the center tube, the piston passes through the piston cylinder setting outside the center tube down, the piston cylinder is connected with the one end of well head through sitting the pin.
In the above scheme, the central tube is provided with a first liquid inlet hole at the position of the inner piston for introducing pressure and pushing the inner piston to displace downwards, and the central tube is provided with a second liquid inlet hole at the position of the lower piston for introducing pressure and pushing the lower piston to displace upwards.
In the scheme, the supporting ring is arranged between the rubber cylinder assembly and the slip.
In the scheme, a lock sleeve is arranged between the slip and the lower piston.
In the scheme, the water distributor mechanism comprises a water distribution protective pipe, a central overflow pipe, a water nozzle adjusting assembly and a flow measuring assembly, the central overflow pipe is communicated with the central pipe through a middle joint, the water distribution protective pipe is sleeved outside the central overflow pipe, a cavity for mounting the flow measuring assembly and the water nozzle adjusting assembly is arranged between the central overflow pipe and the water distribution protective pipe, and the water distribution protective pipe is connected with the other end of the middle joint through a spiral ring.
In the scheme, the central overflow pipe is provided with a water inlet, and the water distribution protective pipe is provided with a water outlet.
Compared with the prior art, the utility model discloses be integrated as an instrument with original cable packer and intelligent water injection mandrel, reduce the link of connection, realize the small calorie apart from segmentation water injection, reduce junction quantity, improve the reliability, reduce cost.
Drawings
Fig. 1 is the embodiment of the utility model provides an integrated packer formula intelligence injection mandrel's schematic structure diagram.
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 an integrated packer formula intelligence water injection mandrel, as shown in figure 1, including center tube 1, top connection 2, well head 3, packer mechanism 4, water injection mandrel mechanism 5, the both ends of center tube 1 are connected with top connection 2, well head 3 through the screw respectively, 4 covers of packer mechanism are established in center tube 1 outside and are located between top connection 2 and the well head 3, water injection mandrel mechanism 5 is connected with center tube 1 through well head 3, be provided with the through wires hole 11 that link up in center tube 1, top connection 2, the well head 3.
A liner 6 is arranged between the packer mechanism 4 and the base pipe 1.
The packer mechanism 4 comprises an upper piston 41, an inner piston 42, a well flushing sleeve 43, a rubber cylinder assembly 44, a slip 45 and a lower piston 46, the outer portion of the central tube 1 is sequentially sleeved with the upper piston 41, the well flushing sleeve 43, the rubber cylinder assembly 44, the slip 45 and the lower piston 46, the inner piston 42 is arranged between the upper piston 41 and the central tube 1, one end of the upper piston 41 is connected with the upper connector 2, the other end of the upper piston is connected with the well flushing sleeve 43 through an unsealing pin 47, the slip 45 is arranged outside the central tube 1 through a slip seat 451, the lower piston 46 is arranged outside the central tube 1 through a piston cylinder 461, and the piston cylinder 461 is connected with one end of the central tube 3 through a setting pin 48.
The center pipe 1 is provided with a first fluid inlet hole at the inner piston 42 for introducing and pushing the pressure to displace downward in the inner piston 42, and the center pipe 1 is provided with a second fluid inlet hole at the lower piston 46 for introducing and pushing the pressure to displace upward in the lower piston 46.
A supporting ring 49 is arranged between the rubber cylinder assembly 44 and the slips 45.
A lock sleeve 442 is provided between the slips 45 and the lower piston 46 so that the lower piston 46 is prevented from backing out by the engagement between the slips 45 and the lock sleeve 442.
The water distributor mechanism 5 comprises a water distribution protective pipe 51, a central overflow pipe 52, a water nozzle adjusting component 53 and a flow measuring component, wherein the central overflow pipe 52 is communicated with the central pipe 1 through a middle joint 3, the water distribution protective pipe 51 is sleeved outside the central overflow pipe 52, a cavity for mounting the flow measuring component and the water nozzle adjusting component 53 is arranged between the water distribution protective pipe 51 and the central overflow pipe 52, and the water distribution protective pipe 51 is connected with the other end of the middle joint 3 through a spiral ring.
The central overflow tube 52 is provided with a water inlet for introducing a fluid into the cavity; the water distribution protective pipe 51 is provided with a water outlet 12 for injecting the fluid in the cavity into the stratum.
A single-core sealing plug 31 is arranged in the threading hole 11 of the middle joint 3 and used for connecting cables on the upper side and the lower side in the threading hole 11.
The utility model discloses a working process:
during the operation, the utility model discloses an oil pipe transport to predetermined injection allocation position (according to the layering quantity confirm the device quantity of dividing of going into down), the cable communicates to well head ground monitoring facilities along the oil pipe outer wall all the time.
After the well is lowered, the oil pipe is pressurized and set, the fluid flows downwards from the central pipe 1, a part of the fluid flows from the first fluid inlet hole to the end gap of the inner piston 42, the inner piston 42 moves downwards after being pressurized to apply downward pressure to the rubber barrel assembly 44, meanwhile, a part of the fluid also enters the gap between the lower piston 46 and the piston barrel 461 from the second fluid inlet hole, the lower piston 46 drives the piston barrel 461 to move upwards after being pressurized until the limit pressure which can be borne by the setting pin 48 is reached, the setting pin 48 is sheared, the lower piston 46 continues to move upwards, so that the slips 45 are opened, the slips 45 move upwards to apply upward pressure to the rubber barrel assembly 44, and therefore, after the upper side and the lower side of the rubber barrel assembly 44 are simultaneously pressurized, the rubber barrel assembly 44 expands in the radial direction until the rubber barrel assembly is abutted against the well wall, and setting is achieved.
After setting is finished, the water nozzle adjusting assembly 53 is operated on the ground to operate, packer sealing checking, water nozzle allocation and the like are carried out, and when normal injection allocation is carried out, fluid flows through the central pipe 1 and the central overflow pipe 52, flows into the flow measuring assembly through the water inlet, then enters the water nozzle adjusting assembly 53, and finally is injected into the stratum through the water outlet 12.
During deblocking, lift up top connection 2 through ground equipment, top connection 2 drives piston 41 upward movement, and when reaching the extreme pressure that deblocking pin 47 can bear, deblocking pin 47 shears, the upper and lower pressure of packing element subassembly 44 loses balance, slip seat 451 is along with the lift up of center tube 1 for retraction after slip seat 451 loses internal support, makes slips 45 retract simultaneously, combines under the elastic action of packing element subassembly 44, makes lower piston 46 drive lock sleeve 442 retract, and then realizes the deblocking.
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 (8)
1. The integrated packer type intelligent water distributor is characterized by comprising a central pipe, an upper joint, a middle joint, a packer mechanism and a water distributor mechanism, wherein two ends of the central pipe are respectively connected with the upper joint and the middle joint through threads, the packer mechanism is sleeved outside the central pipe and is positioned between the upper joint and the middle joint, the water distributor mechanism is connected with the central pipe through the middle joint, and through threading holes are formed in the central pipe, the upper joint and the middle joint.
2. An integrated packer type intelligent water distributor according to claim 1, wherein a liner is provided between the packer mechanism and the base pipe.
3. An integrated packer type intelligent water distributor according to claim 1 or 2, wherein the packer mechanism comprises an upper piston, an inner piston, a well washing sleeve, a rubber sleeve component, a slip and a lower piston, the upper piston, the well washing sleeve, the rubber sleeve component, the slip and the lower piston are sequentially sleeved outside the central pipe, the inner piston is arranged between the upper piston and the central pipe, one end of the upper piston is connected with the upper joint, the other end of the upper piston is connected with the well washing sleeve through an unsealing pin, the slip is arranged outside the central pipe through a slip seat, the lower piston is arranged outside the central pipe through a piston cylinder, and the piston cylinder is connected with one end of the middle joint through a setting pin.
4. An integrated packer type intelligent water distributor according to claim 3, wherein the central pipe is provided with a first liquid inlet hole at the inner piston for introducing and pushing the inner piston to displace downwards, and a second liquid inlet hole at the lower piston for introducing and pushing the lower piston to displace upwards.
5. An integrated packer type intelligent water distributor according to claim 4, wherein a support ring is arranged between the rubber cylinder assembly and the slip.
6. An integrated packer-type intelligent water distributor according to claim 5, wherein a locking sleeve is arranged between the slip and the lower piston.
7. The integrated packer type intelligent water distributor according to claim 6, wherein the water distributor mechanism comprises a water distribution protective pipe, a central overflow pipe, a water nozzle adjusting assembly and a flow measuring assembly, the central overflow pipe is communicated with the central pipe through a middle joint, the water distribution protective pipe is sleeved outside the central overflow pipe, a cavity for installing the flow measuring assembly and the water nozzle adjusting assembly is arranged between the central overflow pipe and the water nozzle adjusting assembly, and the water distribution protective pipe is connected with the other end of the middle joint through a spiral ring.
8. The integrated packer type intelligent water distributor according to claim 7, wherein the central overflow pipe is provided with a water inlet, and the water distribution protective pipe is provided with a water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022688542.6U CN212177117U (en) | 2020-11-19 | 2020-11-19 | Integrated packer type intelligent water distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022688542.6U CN212177117U (en) | 2020-11-19 | 2020-11-19 | Integrated packer type intelligent water distributor |
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| Publication Number | Publication Date |
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| CN212177117U true CN212177117U (en) | 2020-12-18 |
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| CN202022688542.6U Active CN212177117U (en) | 2020-11-19 | 2020-11-19 | Integrated packer type intelligent water distributor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352228A (en) * | 2021-12-23 | 2022-04-15 | 西安洛科电子科技股份有限公司 | Electric seal-measuring integrated intelligent separate-injection instrument for wave code communication |
| CN114352229A (en) * | 2021-12-23 | 2022-04-15 | 西安洛科电子科技股份有限公司 | Cable type electric seal-measuring integrated intelligent separate injection instrument |
-
2020
- 2020-11-19 CN CN202022688542.6U patent/CN212177117U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352228A (en) * | 2021-12-23 | 2022-04-15 | 西安洛科电子科技股份有限公司 | Electric seal-measuring integrated intelligent separate-injection instrument for wave code communication |
| CN114352229A (en) * | 2021-12-23 | 2022-04-15 | 西安洛科电子科技股份有限公司 | Cable type electric seal-measuring integrated intelligent separate injection instrument |
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