CN209976527U - Bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor - Google Patents
Bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor Download PDFInfo
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- CN209976527U CN209976527U CN201920839982.1U CN201920839982U CN209976527U CN 209976527 U CN209976527 U CN 209976527U CN 201920839982 U CN201920839982 U CN 201920839982U CN 209976527 U CN209976527 U CN 209976527U
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- 238000007789 sealing Methods 0.000 title claims description 25
- 238000002347 injection Methods 0.000 claims abstract description 93
- 239000007924 injection Substances 0.000 claims abstract description 93
- 239000002356 single layer Substances 0.000 claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 28
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 13
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- 230000010354 integration Effects 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 3
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- 108091006146 Channels Proteins 0.000 description 53
- 230000000694 effects Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
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- 108010063290 Aquaporins Proteins 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000004401 flow injection analysis Methods 0.000 description 1
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Abstract
The utility model discloses a bridge type measuring, adjusting, seal checking and pressure measuring integrated high-efficiency water distributor, which relates to the technical field of oilfield downhole separate layer water injection and mainly comprises an upper joint, a switch main body and a lower joint; the upper end and the lower end of the switch main body are respectively connected with the upper joint and the lower joint, the upper joint is used for being connected with a male joint of an oil pipe of a water injection well, and the lower joint is used for being connected with a female buckle of the oil pipe of the water injection well; the switch is characterized in that a pressure measuring device and a water injection device are arranged in the switch main body, the pressure measuring device is used for implementing seal checking and pressure measuring construction, and the water injection device is used for realizing allocation of single-layer water injection quantity. The utility model discloses bridge type measure and regulate, test and seal, the high-efficient injection mandrel of pressure measurement integration, through practical novel design injection mandrel again to just can accomplish the measure and regulate, test and seal, the three construction project of pressure measurement through once going into the well of test instrument that uses rather than supporting.
Description
Technical Field
The utility model relates to an oil field layering water injection technical field in the pit especially relates to a bridge type measure and regulate, test and seal, high-efficient injection mandrel of pressure measurement integration.
Background
In the middle and later stages of oil field development, the water well needs to be subjected to underground separate layer water injection for supplementing formation energy, and the underground separate layer water distributor cannot be opened for separate layer water injection. There are many layered water distributors in a layered water injection well, such as: the water distributor comprises an eccentric water distributor, a hollow water distributor, an integrated concentric water distributor, a bridge type water distributor and the like, which are various and have technical special effects and functions in a certain period.
However, the existing water distributor needs to independently put in a corresponding testing instrument and a corresponding sealing instrument to complete the testing and sealing construction of the injection well for two or more times, so that the construction efficiency is low, and the defects that the formation pressure cannot be tested exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bridge type measure and regulate, test and seal, high-efficient injection mandrel of pressure measurement integration has solved the one-time logging of test instrument and can not accomplish into the well into and have divided injection well interval water yield measure and regulate, the packer tests a difficult problem that seals and stratum pressure measurement.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a bridge type measuring, adjusting, seal checking and pressure measuring integrated high-efficiency water distributor, which comprises an upper joint, a switch main body and a lower joint; the upper end and the lower end of the switch main body are respectively connected with the upper joint and the lower joint, the upper joint is used for being connected with a male joint of an oil pipe of a water injection well, and the lower joint is used for being connected with a female buckle of the oil pipe of the water injection well; the switch is characterized in that a pressure measuring device and a water injection device are arranged in the switch main body, the pressure measuring device is used for implementing seal checking and pressure measuring construction, and the water injection device is used for realizing allocation of single-layer water injection quantity.
Preferably, the water injection device comprises a single-layer water injection channel and a rotary core, the rotary core is arranged in the switch main body and is rotationally connected with the switch main body, and the rotary core and the switch main body are both provided with corresponding water outlet holes; the single-layer water injection channel is arranged on one side of the switch main body and is connected with the water outlet hole; the single-layer water injection channel is characterized in that a water injection hole is further formed in the side wall of the single-layer water injection channel, and a single-flow valve is arranged in the single-layer water injection channel and close to the water injection hole.
Preferably, a first pressure spring is arranged at the bottom end of the single-flow valve, and a plug is arranged between the bottom of the first pressure spring and the bottom of the single-layer water injection channel.
Preferably, a second pressure spring is arranged between the upper part of the rotating core and the upper joint and used for pressing the rotating core and the switch main body to be tightly matched together all the time.
Preferably, the pressure measuring device comprises a pressure measuring channel, a switch disc and a pressure relief valve rod, the pressure measuring channel is arranged on one side, opposite to the single-layer water injection channel, of the switch main body, a pressure inlet hole is formed in the side wall of the pressure measuring channel, the pressure relief valve rod is arranged in the pressure measuring channel, the top end of the pressure relief valve rod is connected with the switch disc, and a third pressure spring is arranged at the bottom end of the pressure relief valve rod.
Preferably, the switch disc is fixed on the rotary core through a bolt, and an inclined plane is arranged at the joint of the switch disc and the pressure relief valve rod.
Preferably, a sealing sleeve is arranged at the joint of the pressure relief valve rod and the pressure measuring channel.
Preferably, the upper part of the inner side of the lower joint is also provided with an anti-rotation sleeve, the upper part of the anti-rotation sleeve is pressed by the switch main body, and the anti-rotation sleeve is provided with an anti-rotation groove.
Preferably, four water holes serving as bridge-type water injection channels are formed in the anti-rotation sleeve and the switch main body.
The utility model discloses for prior art gain following technological effect:
the utility model discloses bridge type measure and regulate, test and seal, pressure measurement integration high efficiency water injection mandrel, through practical novel design water injection mandrel again, and through using the testing instrument who matches with it to go into the well once and just can accomplish measure and regulate, test and seal, pressure measurement three construction items, and has set up the bridge type passageway additional, when adjusting the water yield of this layer, do not influence the water injection of other layers; because the water distributor can adopt an outward flow type and flow collection type flow meter for measurement and regulation, the measurement and regulation effect on the high-pressure low-permeability low-flow injection well is more obvious.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the bridge type integrated high-efficiency water distributor for testing, adjusting, sealing and measuring pressure;
FIG. 2 is a schematic view of the bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor of the present invention;
FIG. 3 is a schematic view of the arrangement of water holes;
FIG. 4 is a schematic structural diagram of a switch body;
the pressure measuring device comprises a pressure measuring channel, an upper connector, a rotating core, a second pressure spring, a switch disc, a pressure relief valve rod, a switch main body, a third pressure spring, a sealing sleeve, a pressure preventing sleeve, a lower connector, a pressure measuring channel, a single-flow valve, a pressure measuring channel, a water passing hole, a pressure measuring channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a bridge type measure and regulate, test and seal, high-efficient injection mandrel of pressure measurement integration has solved the one-time logging of test instrument and can not accomplish into the well into and have divided injection well interval water yield measure and regulate, the packer tests a difficult problem that seals and stratum pressure measurement.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1, the embodiment provides a bridge type measuring, adjusting, seal checking and pressure measuring integrated high-efficiency water distributor, which mainly comprises an upper joint 1, a rotating core 2, a second pressure spring 3, a switch disc 4, a pressure relief valve rod 5, a switch main body 6, a third pressure spring 7, a seal sleeve 8, an anti-rotation sleeve 9, a lower joint 10, a single-flow valve 11, a first pressure spring 12 and a plug 13.
In the embodiment, the upper end is connected with an upper connector, the lower end is connected with a lower connector, and components such as a pressure relief valve rod, a rotary core and the like are arranged on the switch main body; a water passing channel, namely a bridge channel, is arranged on the switch main body and is used for a lower-layer water injection passageway; the middle large channel is a channel used for measuring and adjusting, measuring pressure and checking the seal of the instrument in the layer, and is convenient for positioning, setting and adjusting the water injection amount and the like of the instrument; the switch main body is provided with a water outlet hole which is provided with a single flow valve. The single flow valve and the pressure relief valve rod are provided with small pressure springs for keeping reset and preventing formation water from flowing backwards.
The upper joint is used for connecting a male joint of an oil pipe of a water injection well, the upper end of the lower joint is connected with the switch main body together and fixed by screws and is sealed, the lower end of the lower joint is connected with a female buckle of the oil pipe in the well, and the middle of the lower joint is connected with the anti-rotation sleeve and fixed by screws; the switch is characterized in that a pressure measuring device and a water injection device are arranged in the switch main body, the pressure measuring device is used for implementing seal checking and pressure measuring construction, and the water injection device is used for realizing allocation of single-layer water injection quantity.
In this embodiment, the water injection device includes a single-layer water injection channel and a rotary core, the rotary core is disposed inside the switch main body and rotatably connected with the switch main body, the rotary core and the switch main body are both provided with corresponding water outlets, the size of the layered water injection amount is controlled by rotating and adjusting the overlap ratio of the rotary core and the water outlet of the switch main body, and the operation is completed by a manipulator adjusting arm of the tester; the single-layer water injection channel is arranged on one side of the switch main body and is connected with the water outlet hole; the single-layer water injection channel is characterized in that a water injection hole is further formed in the side wall of the single-layer water injection channel, and a single-flow valve is arranged in the single-layer water injection channel and close to the water injection hole.
In this embodiment, a first pressure spring is arranged at the bottom end of the single flow valve, and a plug is arranged between the bottom of the first pressure spring and the bottom of the single-layer water injection channel.
The single-flow valve is arranged in the switch main body, and one end of the single-flow valve is pressed by a first small pressure spring, so that the single-flow valve seals a single-layer water injection channel between the sleeve and the switch main body; when the rotating core rotates to open the single-layer water injection channel, the pressure in the oil pipe is greater than the pressure of the sleeve, and the pressure spring is compressed under the action of water pressure, so that water in the oil pipe enters the stratum; when the water injection pressure in the oil pipe is lower than the pressure of the stratum (sleeve), the single flow valve is pressed back to the original position under the action of the small pressure spring, a flowing water channel between the stratum and the oil pipe is cut off, stratum water and other objects are prevented from entering the oil pipe, and the interior of the oil pipe is kept clean.
In this embodiment, the first pressure spring is installed on the single flow valve, one end of the first pressure spring is pressed on the single flow valve, the other end of the first pressure spring is pressed against the plug, and a force is always kept. The pipe plug is arranged at the lower end of the single flow valve and used for sealing one end of the oil pipe and one end of the water outlet channel and pressing one end of the first pressure spring, so that the reliable work of the single flow valve is ensured.
In this embodiment, a second pressure spring is disposed between the upper portion of the rotary core and the upper joint, and is used to press the rotary core and the switch main body to be tightly fitted together all the time, so as to ensure that the rotary core and the switch main body do not displace under the vibration of external force, and thus the water volume of the adjusted water injection nozzle channel is not changed.
In this embodiment, the pressure measuring device includes a pressure measuring channel, a switch panel and a pressure relief valve rod, the pressure measuring channel is disposed on one side of the switch main body opposite to the single-layer water injection channel, a pressure inlet hole is disposed on a side wall of the pressure measuring channel, the pressure relief valve rod is disposed in the pressure measuring channel, a top end of the pressure relief valve rod is connected with the switch panel, and a third pressure spring is disposed at a bottom end of the pressure relief valve rod.
The switch disc and the rotary core are fixed together by screws, and when the rotary core is rotated by the manipulator, the switch disc also rotates along with the rotary core; when the seal testing and pressure measuring are needed, the switch disc is rotated by a certain angle, the pressure relief valve rod is pressed down by utilizing the inclined plane on the switch disc, so that the pressure transmission channel on the switch main body is opened, and the pressure measuring channel of the switch main body is communicated with the formation pressure through the annular space of the oil sleeve. The pressure relief valve rod closes and opens the pressure measuring channel under the action of the switch disc, and provides a pressure transmission channel for seal checking and pressure measuring. The third pressure spring has the main functions of pushing the pressure relief valve rod back to the original position after the switch disc rotates back, closing the pressure transfer hole and cutting off the liquid flow of the pressure transfer channel.
In this embodiment, a sealing sleeve is disposed at a joint of the pressure relief valve rod and the pressure measurement channel, and a small sealing sleeve is installed on one side of the switch main body (located right below the pressure relief valve rod) for sealing liquid transmission between the pressure relief valve rod and the main body.
In this embodiment, the upper part of the inner side of the lower joint is further provided with an anti-rotation sleeve, and the anti-rotation sleeve is embedded in the upper part of the lower joint and is pressed by the switch main body; the main function is that the support arm on the manipulator inserts in the groove of preventing revolving the cover when the test, prevents that the instrument from rotating, plays and prevents revolving the effect. Meanwhile, 4 water passing holes are uniformly distributed on the anti-rotation sleeve and the switch main body to form a water passing channel, and as shown in figure 4, the water passing channel plays a bridge type water passing role; the four water holes of the bridge type overflowing channel and the single-layer water injection channel are independent and are not influenced mutually, and people walking on the bridge and flowing water under the bridge are not influenced similarly.
A bridge type overflowing channel, a single-layer water injection channel and a pressure measuring channel are formed in the switch main body in the embodiment, and when single-layer pressure measuring adjustment is guaranteed through the bridge type overflowing channel, water injection of other layers is not affected.
The tester in this embodiment refers to the integrated instrument of measure and regulate (also called downhole flow measure and regulate appearance) for use with the water injection mandrel cooperation:
during testing and adjusting, the measuring and adjusting integrated instrument is arranged above the water distributor, the measuring and adjusting integrated instrument is positioned on a positioning step (the upper part of the rotating core 2) of the water distributor, and a supporting arm of the measuring and adjusting integrated instrument is opened and inserted into an anti-rotation groove of the anti-rotation sleeve, so that the instrument is prevented from rotating when the rotating core rotates. The adjusting arm of the measurement and adjustment integrated instrument is inserted into the adjusting groove of the rotary core, the adjusting arm is rotated through a ground adjusting instruction to drive the rotary core 2 to rotate, so that the opening size of the water-saving nozzle (particularly, the size of the coincidence of the water filling port of the rotary core and the water filling port of the switch main body is adjusted to form the adjustable water-saving nozzle) is adjusted, the single-layer water injection quantity is changed (adjusted), the injected water in the oil pipe enters the water outlet of the switch main body 6 through the water outlet of the rotary core 2, the single-layer water injection channel is opened by the right movement of the single-flow valve 11 under the water injection pressure, and the injected water enters the annular space of the. In the embodiment, the water injection amount is changed by rotating the coincidence size of the water injection port of the rotary core and the water injection port of the switch main body, so that the single-layer water injection amount is adjusted.
When the sealing and pressure measuring construction needs to be tested, the single-layer water injection channel is closed, the switch disc 4 is continuously rotated, the switch disc applies pressure to the pressure relief valve rod 5, the pressure relief valve rod 5 moves to the right, the pressure measuring channel is opened, the external pressure of the water distributor enters the inside of the water distributor, the upper part and the lower part of a pressure inlet hole in the water distributor are opened, the upper pressure and the lower pressure of the water distributor are separated, and only the pressure of the pressure inlet hole is measured, so that the sealing and pressure measuring construction is implemented.
The bridge type measuring, adjusting, sealing testing and pressure measuring water distributor provided by the embodiment is provided with a multi-parameter and multi-functional instrument matched with the water distributor, and during construction operation, layered water injection amount measuring and adjusting, packer sealing testing and pressure testing of the layer can be completed by one-time well descending. And because the water distributor is provided with the bridge type channel, the water injection of other layers is not influenced when the seal detection and pressure measurement of the water distributor of the layer are carried out. Layered water injection measurement and adjustment, the pressure measurement, it needs to go into the well at every turn separately to test and seal three test items and accomplish to be different from other water distributors, this embodiment water distributor can go into the well with supporting instrument once and all accomplish above-mentioned three test items, the inside flowmeter of being equipped with of water distributor can seal the section, be applicable to the outflow formula, the test of current-collecting type flowmeter (especially to the injection well that the injection volume is less than 10 square every day, adopt the test of current-collecting type flowmeter, the effect is more obvious) has practiced thrift manufacturing cost greatly, and the labor intensity is reduced, the work efficiency is improved, the labor time is saved, the construction difficulty is reduced, and the economic benefit. The implementation of the process technology brings revolutionary change to the layered water injection work of the oil field.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. The utility model provides a high-efficient injection mandrel of bridge type measure and regulate, test seal, pressure measurement integration which characterized in that: comprises an upper joint, a switch main body and a lower joint; the upper end and the lower end of the switch main body are respectively connected with the upper joint and the lower joint, the upper joint is used for being connected with a male joint of an oil pipe of a water injection well, and the lower joint is used for being connected with a female buckle of the oil pipe of the water injection well; the switch is characterized in that a pressure measuring device and a water injection device are arranged in the switch main body, the pressure measuring device is used for implementing seal checking and pressure measuring construction, and the water injection device is used for realizing allocation of single-layer water injection quantity.
2. The bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor according to claim 1, characterized in that: the water injection device comprises a single-layer water injection channel and a rotary core, the rotary core is arranged in the switch main body and is in rotary connection with the switch main body, and the rotary core and the switch main body are provided with corresponding water outlet holes; the single-layer water injection channel is arranged on one side of the switch main body and is connected with the water outlet hole; the single-layer water injection channel is characterized in that a water injection hole is further formed in the side wall of the single-layer water injection channel, and a single-flow valve is arranged in the single-layer water injection channel and close to the water injection hole.
3. The bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor according to claim 2, characterized in that: and a first pressure spring is arranged at the bottom end of the single-flow valve, and a plug is arranged between the bottom of the first pressure spring and the bottom of the single-layer water injection channel.
4. The bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor according to claim 3, characterized in that: and a second pressure spring is arranged between the upper part of the rotating core and the upper joint and is used for pressing the rotating core and the switch main body to be tightly matched together all the time.
5. The bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor according to claim 4, characterized in that: the pressure measuring device comprises a pressure measuring channel, a switch disc and a pressure relief valve rod, the pressure measuring channel is arranged on one side, opposite to the single-layer water injection channel, of the switch main body, a pressure inlet hole is formed in the side wall of the pressure measuring channel, the pressure relief valve rod is arranged in the pressure measuring channel, the top end of the pressure relief valve rod is connected with the switch disc, and a third pressure spring is arranged at the bottom end of the pressure relief valve rod.
6. The bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor according to claim 5, characterized in that: the switch disc is fixed on the rotary core through bolts, and an inclined plane is arranged at the joint of the switch disc and the pressure relief valve rod.
7. The bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor according to claim 6, characterized in that: and a sealing sleeve is arranged at the joint of the pressure relief valve rod and the pressure measuring channel.
8. The bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor according to claim 7, characterized in that: the upper portion of the inner side of the lower joint is further provided with an anti-rotation sleeve, the upper portion of the anti-rotation sleeve is pressed through the switch main body, and an anti-rotation groove is formed in the anti-rotation sleeve.
9. The bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor according to claim 8, characterized in that: prevent all having seted up four water holes as bridge type water injection passageway on cover and the switch main part soon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920839982.1U CN209976527U (en) | 2019-06-05 | 2019-06-05 | Bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920839982.1U CN209976527U (en) | 2019-06-05 | 2019-06-05 | Bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor |
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| CN209976527U true CN209976527U (en) | 2020-01-21 |
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| CN201920839982.1U Withdrawn - After Issue CN209976527U (en) | 2019-06-05 | 2019-06-05 | Bridge type measuring, adjusting, sealing and pressure measuring integrated high-efficiency water distributor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067544A (en) * | 2019-06-05 | 2019-07-30 | 付吉平 | Bridge-type, which is surveyed, to be adjusted, tests envelope, surveys pressure integrated high-efficiency injection well downhole flow regulator |
-
2019
- 2019-06-05 CN CN201920839982.1U patent/CN209976527U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067544A (en) * | 2019-06-05 | 2019-07-30 | 付吉平 | Bridge-type, which is surveyed, to be adjusted, tests envelope, surveys pressure integrated high-efficiency injection well downhole flow regulator |
| CN110067544B (en) * | 2019-06-05 | 2024-03-15 | 东营市鑫吉石油技术有限公司 | Bridge type high-efficiency water distributor integrating measuring, sealing and pressure testing |
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Effective date of registration: 20210414 Address after: 257000, No. 148, Xiying North Village, Weifang Road, Dongying District, Dongying City, Shandong Province Patentee after: DONGYING XINJI PETROLEUM TECHNOLOGY Co.,Ltd. Address before: 257000 Room 102, unit 4, building 27, 18 Xingrong West Street, Dongying District, Dongying City, Shandong Province Patentee before: Fu Ji Ping |
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Granted publication date: 20200121 Effective date of abandoning: 20240315 |
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