CN108915651B - Bridge type concentric constant pressure water distributor - Google Patents
Bridge type concentric constant pressure water distributor Download PDFInfo
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- CN108915651B CN108915651B CN201810841082.0A CN201810841082A CN108915651B CN 108915651 B CN108915651 B CN 108915651B CN 201810841082 A CN201810841082 A CN 201810841082A CN 108915651 B CN108915651 B CN 108915651B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 230000001681 protective effect Effects 0.000 claims abstract description 58
- 230000001105 regulatory effect Effects 0.000 claims description 57
- 238000003466 welding Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 22
- 239000007924 injection Substances 0.000 description 22
- 230000008859 change Effects 0.000 description 7
- 239000010410 layer Substances 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a bridge type concentric constant pressure water distributor which comprises an upper joint, a positioning platform, a concentric adjusting sleeve, an outer protective cylinder, an adjusting mechanism, a main structure and a lower joint, wherein one end of the upper joint is connected with the outer protective cylinder, the other end of the outer protective cylinder is connected with the main structure, the other end of the main structure is connected with the lower joint, one end of the positioning platform is sleeved in the upper joint, the other end of the positioning platform is connected with the main structure, one end of the concentric adjusting sleeve is sleeved in the positioning platform, the other end of the concentric adjusting sleeve is connected with the main structure, the centers of the upper joint, the positioning platform, the concentric adjusting sleeve, the outer protective cylinder, the main structure and the lower joint are communicated and coaxially arranged, and the adjusting mechanism is sleeved between the main structure and the outer protective cylinder in a pressing mode, wherein one end of the adjusting mechanism is meshed with the concentric adjusting sleeve. The invention adopts the design of combining the underground flow electric direct regulation and constant pressure control technology, improves the flow control effect and realizes the pressure stabilization and constant pressure control.
Description
Technical Field
The invention belongs to the technical field of oilfield water injection, and particularly relates to a bridge type concentric constant pressure water distributor.
Background
The bridge type concentric separated layer water injection technology is a high-efficiency separated injection technology which is a bridge type eccentric separated injection technology, has multiple separated injection stages, is suitable for the separated injection conditions of large well deviation, produced water, small water quantity and the like, and greatly meets the requirements of fine separated injection of oil fields; in recent years, the technology is promoted and applied in domestic water injection development oil fields, and a good water injection development effect is achieved. The bridge type concentric water distributor is used as a core tool of the technology, concentric butt joint and concentric adjustment are adopted, and the bridge type concentric water distributor has the advantages of high butt joint success rate, high measuring and adjusting precision, high measuring and adjusting efficiency and the like, but is mainly an underground mechanical butt joint, a short-time manual adjustment mode is influenced by factors such as underground water absorption capacity change, pressure fluctuation of a water injection system and the like, layered flow fluctuation is large, the layered water injection qualification rate is fast to drop, the long-term maintenance of the high dispensing qualification rate of a dispensing well is difficult to ensure, and the further exertion of a dispensing effect is restricted.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a bridge type concentric constant pressure water distributor, which overcomes the defects in the prior art 1: the early bridge type concentric separate injection process can only be adjusted by short-time manual testing, and cannot be automatically adjusted for a long time, and 2: the influence change of the water injection quantity of the layers along with the factors such as pressure, stratum water absorption capacity and the like is obvious, 3: the qualification rate of the separated layer water injection is fast, and the problems of the separated layer water injection effect and the like are seriously restricted.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a concentric constant pressure water injection mandrel of bridge type, includes top connection, location platform, concentric adjustment sleeve, outer protective casing, adjustment mechanism, major structure and lower clutch, the outer protective casing is connected to top connection one end, and wherein the other end that the outer protective casing was connected to the other end, the lower clutch is connected to the other end of major structure, location platform one end suit is inside the top connection, and wherein the location platform other end is connected with the major structure, concentric adjustment sleeve one end suit is inside the location platform, and wherein the other end and the major structure of concentric adjustment sleeve are connected, top connection, location platform, concentric adjustment sleeve, outer protective casing, major structure and lower clutch center link up and coaxial setting, adjustment mechanism suit compresses tightly between major structure and outer protective casing, wherein adjustment mechanism one end and concentric adjustment sleeve meshing.
Preferably, one end of the upper joint is connected with the outer protective cylinder through screw threads, the other end of the outer protective cylinder is connected with the main body structure through screw threads, one end of the main body structure stretches into the inner cavity of the outer protective cylinder, the other end of the main body structure is connected with the lower joint through screw threads, one end of the positioning platform is sleeved inside the upper joint through screw threads, the other end of the positioning platform is welded with the end face of the main body structure, one end of the concentric adjusting sleeve is sleeved inside the positioning platform, the other end of the concentric adjusting sleeve is connected with the main body structure stretching into the inner cavity of the outer protective cylinder through screw threads, one end of the concentric adjusting sleeve is provided with a driving gear, and one end of the adjusting mechanism is meshed with the driving gear of the concentric adjusting sleeve.
Preferably, the main body structure is a hollow cylindrical structure, the hollow part is a central flow channel, one side of the end surface of the main body structure is provided with a flow passage, the flow passage is arranged in parallel with the central flow channel and is not communicated with the central flow channel, the number of the flow passage is 3, the other side of the end surface of the main body structure is provided with a passage for placing the regulating mechanism, and the passage for placing the regulating mechanism is arranged in parallel with the central flow channel.
Preferably, the adjusting mechanism comprises an adjusting valve rod, a balance spring, an adjusting valve clack, a loading spring, a water outlet, an adjusting body, a water inlet and a spring base, wherein the water inlet is formed in one side, close to a central flow channel of the main structure, of the adjusting body, the water outlet is formed in one side, close to an outer protective cylinder, of the adjusting body, the adjusting valve rod, the balance spring, the adjusting valve clack, the loading spring and the spring base are arranged inside the adjusting body, the adjusting valve rod is arranged at one end, close to a concentric adjusting sleeve, and is provided with a driven gear meshed with a driving gear of the concentric adjusting sleeve, one end of the adjusting valve clack is connected with the balance spring, the balance spring is close to the adjusting valve rod, the other end of the adjusting valve clack is connected with the loading spring, the end of the loading spring is fixed on the spring base, and the spring base is fixed at one end, far away from the concentric adjusting sleeve, of the adjusting body.
Preferably, the adjusting valve clack comprises a first-stage adjusting valve clack and a second-stage adjusting valve clack, wherein the first-stage adjusting valve clack and the second-stage adjusting valve clack are of semicircular structures, and the first-stage adjusting valve clack and the second-stage adjusting valve clack are respectively arranged at two sides of the water inlet.
Preferably, the water outlet comprises an un-penetrated water outlet and a penetrated water outlet, wherein the un-penetrated water outlet is close to the balance spring, and the penetrated water outlet is far away from the balance spring.
Preferably, the concentric adjusting sleeve is provided with adjusting grooves, wherein the number of the adjusting grooves is 4, and the 4 adjusting grooves are uniformly formed in the periphery of the concentric adjusting sleeve.
Compared with the prior art, the invention has the advantages that:
(1) The invention uses the underground constant pressure control technology, uses the balance spring and the loading spring in the adjusting mechanism to control the pressure, when the pressure in the water distributor is reduced slightly, the balance spring is contracted, the loading spring is extended, thereby increasing the front pressure of the water outlet and reducing the throttling effect, otherwise, the balance spring is extended, the loading spring is contracted, thereby reducing the front pressure of the water outlet, increasing the throttling effect, realizing the automatic adjustment of the underground flow and overcoming the layered flow change caused by small pressure fluctuation;
(2) According to the invention, the underground adjusting instrument drives the concentric adjusting sleeve to rotate, so as to drive the adjusting valve rod to rotate, and the opening of the water outlet is adjusted, so that the concentric electric direct adjustment of the layered flow is realized, and the concentric electric direct adjustment is ensured to be matched with the underground adjusting instrument for use;
(3) The invention adopts the design of combining the underground flow electric direct regulation and constant pressure control technology, improves the flow control effect, realizes the pressure stabilization constant pressure control, prolongs the qualified time of the layered water injection, and has excellent layered water injection effect;
(4) The parts of the invention are mainly connected by screw threads, so that the processes of welding, cementing and the like are reduced, the coaxial effect of the tool structure is improved, and the parts are concentric and coaxial.
Drawings
FIG. 1, a schematic view of the semi-sectional structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention.
Reference numerals illustrate:
the device comprises an upper connector 1, a positioning platform 2, a concentric adjusting sleeve 3, an outer casing 4, an adjusting mechanism 5, an adjusting valve rod 6, a balance spring 7, an adjusting valve clack 8, a primary adjusting valve clack 8-1, a secondary adjusting valve clack 8-2, a loading spring 9, a spring base 10, a lower connector 11, a water outlet 12-1, a water outlet 12-2, a water outlet 13, an overflow channel 14, an adjusting body 15, a water inlet 16, a main body structure 17, a central channel 18, a driving gear 19, a driven gear 20 and an adjusting groove.
Detailed Description
The following describes specific embodiments of the invention with reference to the drawings and examples:
it should be noted that the structures, proportions, sizes, etc. shown in the drawings are merely used in conjunction with the disclosure of the present invention, and are not intended to limit the applicable limitations of the present invention, but any modification, variation in proportions, or adjustment of the size of the structures, proportions, etc. should be construed as falling within the scope of the disclosure without affecting the efficacy or achievement of the present invention.
Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
Example 1
As shown in fig. 1-2, the invention discloses a bridge type concentric constant pressure water distributor, which comprises an upper joint 1, a positioning platform 2, a concentric adjusting sleeve 3, an outer protective cylinder 4, an adjusting mechanism 5, a main body structure 16 and a lower joint 11, wherein one end of the upper joint 1 is connected with the outer protective cylinder 4, the other end of the outer protective cylinder 4 is connected with the main body structure 16, the other end of the main body structure 16 is connected with the lower joint 11, one end of the positioning platform 2 is sleeved in the upper joint 1, the other end of the positioning platform 2 is connected with the main body structure 16, one end of the concentric adjusting sleeve 3 is sleeved in the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main body structure 16, the centers of the upper joint 1, the positioning platform 2, the concentric adjusting sleeve 3, the outer protective cylinder 4, the main body structure 16 and the lower joint 11 are communicated and coaxially arranged, and the adjusting mechanism 5 is sleeved between the main body structure 16 and the outer protective cylinder 4, wherein one end of the adjusting mechanism 5 is meshed with the concentric adjusting sleeve 3.
Example 2
As shown in fig. 1-2, the invention discloses a bridge type concentric constant pressure water distributor, which comprises an upper joint 1, a positioning platform 2, a concentric adjusting sleeve 3, an outer protective cylinder 4, an adjusting mechanism 5, a main body structure 16 and a lower joint 11, wherein one end of the upper joint 1 is connected with the outer protective cylinder 4, the other end of the outer protective cylinder 4 is connected with the main body structure 16, the other end of the main body structure 16 is connected with the lower joint 11, one end of the positioning platform 2 is sleeved in the upper joint 1, the other end of the positioning platform 2 is connected with the main body structure 16, one end of the concentric adjusting sleeve 3 is sleeved in the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main body structure 16, the centers of the upper joint 1, the positioning platform 2, the concentric adjusting sleeve 3, the outer protective cylinder 4, the main body structure 16 and the lower joint 11 are communicated and coaxially arranged, and the adjusting mechanism 5 is sleeved between the main body structure 16 and the outer protective cylinder 4, wherein one end of the adjusting mechanism 5 is meshed with the concentric adjusting sleeve 3.
As shown in fig. 1-2, preferably, one end of the upper joint 1 is connected with the outer casing 4 through a screw thread, wherein the other end of the outer casing 4 is connected with the main structure 16 through a screw thread, one end of the main structure 16 stretches into the inner cavity of the outer casing 4, the other end of the main structure 16 is connected with the lower joint 11 through a screw thread, one end of the positioning platform 2 is sleeved inside the upper joint 1 through a screw thread, the other end of the positioning platform 2 is welded with the end surface of the main structure 16, one end of the concentric adjusting sleeve 3 is sleeved inside the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main structure 16 stretching into the inner cavity of the outer casing 4 through a screw thread, one end of the concentric adjusting sleeve 3 is provided with a driving gear 18, and one end of the adjusting mechanism 5 is meshed with the driving gear 18 of the concentric adjusting sleeve 3.
Example 3
As shown in fig. 1-2, the invention discloses a bridge type concentric constant pressure water distributor, which comprises an upper joint 1, a positioning platform 2, a concentric adjusting sleeve 3, an outer protective cylinder 4, an adjusting mechanism 5, a main body structure 16 and a lower joint 11, wherein one end of the upper joint 1 is connected with the outer protective cylinder 4, the other end of the outer protective cylinder 4 is connected with the main body structure 16, the other end of the main body structure 16 is connected with the lower joint 11, one end of the positioning platform 2 is sleeved in the upper joint 1, the other end of the positioning platform 2 is connected with the main body structure 16, one end of the concentric adjusting sleeve 3 is sleeved in the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main body structure 16, the centers of the upper joint 1, the positioning platform 2, the concentric adjusting sleeve 3, the outer protective cylinder 4, the main body structure 16 and the lower joint 11 are communicated and coaxially arranged, and the adjusting mechanism 5 is sleeved between the main body structure 16 and the outer protective cylinder 4, wherein one end of the adjusting mechanism 5 is meshed with the concentric adjusting sleeve 3.
As shown in fig. 1-2, preferably, one end of the upper joint 1 is connected with the outer casing 4 through a screw thread, wherein the other end of the outer casing 4 is connected with the main structure 16 through a screw thread, one end of the main structure 16 stretches into the inner cavity of the outer casing 4, the other end of the main structure 16 is connected with the lower joint 11 through a screw thread, one end of the positioning platform 2 is sleeved inside the upper joint 1 through a screw thread, the other end of the positioning platform 2 is welded with the end surface of the main structure 16, one end of the concentric adjusting sleeve 3 is sleeved inside the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main structure 16 stretching into the inner cavity of the outer casing 4 through a screw thread, one end of the concentric adjusting sleeve 3 is provided with a driving gear 18, and one end of the adjusting mechanism 5 is meshed with the driving gear 18 of the concentric adjusting sleeve 3.
As shown in fig. 1-2, preferably, the main structure 16 is a hollow cylindrical structure, the hollow is a central flow channel 17, one side of the end surface of the main structure 16 is provided with a through flow channel 13, wherein the through flow channels 13 are arranged in parallel with the central flow channel 17 and are not communicated, the number of the through flow channels 13 is 3, the other side of the end surface of the main structure 16 is provided with channels for placing the adjusting mechanism 5, and the channels for placing the adjusting mechanism 5 are arranged in parallel with the central flow channel 17.
Example 4
As shown in fig. 1-2, the invention discloses a bridge type concentric constant pressure water distributor, which comprises an upper joint 1, a positioning platform 2, a concentric adjusting sleeve 3, an outer protective cylinder 4, an adjusting mechanism 5, a main body structure 16 and a lower joint 11, wherein one end of the upper joint 1 is connected with the outer protective cylinder 4, the other end of the outer protective cylinder 4 is connected with the main body structure 16, the other end of the main body structure 16 is connected with the lower joint 11, one end of the positioning platform 2 is sleeved in the upper joint 1, the other end of the positioning platform 2 is connected with the main body structure 16, one end of the concentric adjusting sleeve 3 is sleeved in the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main body structure 16, the centers of the upper joint 1, the positioning platform 2, the concentric adjusting sleeve 3, the outer protective cylinder 4, the main body structure 16 and the lower joint 11 are communicated and coaxially arranged, and the adjusting mechanism 5 is sleeved between the main body structure 16 and the outer protective cylinder 4, wherein one end of the adjusting mechanism 5 is meshed with the concentric adjusting sleeve 3.
As shown in fig. 1-2, preferably, one end of the upper joint 1 is connected with the outer casing 4 through a screw thread, wherein the other end of the outer casing 4 is connected with the main structure 16 through a screw thread, one end of the main structure 16 stretches into the inner cavity of the outer casing 4, the other end of the main structure 16 is connected with the lower joint 11 through a screw thread, one end of the positioning platform 2 is sleeved inside the upper joint 1 through a screw thread, the other end of the positioning platform 2 is welded with the end surface of the main structure 16, one end of the concentric adjusting sleeve 3 is sleeved inside the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main structure 16 stretching into the inner cavity of the outer casing 4 through a screw thread, one end of the concentric adjusting sleeve 3 is provided with a driving gear 18, and one end of the adjusting mechanism 5 is meshed with the driving gear 18 of the concentric adjusting sleeve 3.
As shown in fig. 1-2, preferably, the adjusting mechanism 5 includes an adjusting valve rod 6, a balance spring 7, an adjusting valve clack 8, a loading spring 9, a water outlet 12, an adjusting body 14, a water inlet 15 and a spring base 10, wherein the water inlet 15 is opened at one side of the adjusting body 14 near a central flow channel 17 of the main body structure 16, the water outlet 12 is opened at one side of the adjusting body 14 near the outer casing 4, the adjusting valve rod 6, the balance spring 7, the adjusting valve clack 8, the loading spring 9 and the spring base 10 are arranged inside the adjusting body 14, wherein the adjusting valve rod 6 is arranged near one end of the concentric adjusting sleeve 3, and the adjusting valve rod 6 is provided with a driven gear 19 meshed with a driving gear 18 of the concentric adjusting sleeve 3, one end of the adjusting valve clack 8 is connected with the balance spring 7, the balance spring 7 is near the adjusting valve rod 6, the other end of the adjusting valve clack 8 is connected with the loading spring 9, the end of the loading spring 9 is fixed on the spring base 10, and the spring base 10 is fixed at one end of the adjusting body 14 far from the concentric adjusting sleeve 3.
As shown in fig. 1-2, preferably, the main structure 16 is a hollow cylindrical structure, the hollow is a central flow channel 17, one side of the end surface of the main structure 16 is provided with a through flow channel 13, wherein the through flow channels 13 are arranged in parallel with the central flow channel 17 and are not communicated, the number of the through flow channels 13 is 3, the other side of the end surface of the main structure 16 is provided with channels for placing the adjusting mechanism 5, and the channels for placing the adjusting mechanism 5 are arranged in parallel with the central flow channel 17.
As shown in fig. 1-2, preferably, the adjusting mechanism 5 includes an adjusting valve rod 6, a balance spring 7, an adjusting valve clack 8, a loading spring 9, a water outlet 12, an adjusting body 14, a water inlet 15 and a spring base 10, wherein the water inlet 15 is opened at one side of the adjusting body 14 near a central flow channel 17 of the main body structure 16, the water outlet 12 is opened at one side of the adjusting body 14 near the outer casing 4, the adjusting valve rod 6, the balance spring 7, the adjusting valve clack 8, the loading spring 9 and the spring base 10 are arranged inside the adjusting body 14, wherein the adjusting valve rod 6 is arranged near one end of the concentric adjusting sleeve 3, and the adjusting valve rod 6 is provided with a driven gear 19 meshed with a driving gear 18 of the concentric adjusting sleeve 3, one end of the adjusting valve clack 8 is connected with the balance spring 7, the balance spring 7 is near the adjusting valve rod 6, the other end of the adjusting valve clack 8 is connected with the loading spring 9, the end of the loading spring 9 is fixed on the spring base 10, and the spring base 10 is fixed at one end of the adjusting body 14 far from the concentric adjusting sleeve 3.
Example 5
As shown in fig. 1-2, the invention discloses a bridge type concentric constant pressure water distributor, which comprises an upper joint 1, a positioning platform 2, a concentric adjusting sleeve 3, an outer protective cylinder 4, an adjusting mechanism 5, a main body structure 16 and a lower joint 11, wherein one end of the upper joint 1 is connected with the outer protective cylinder 4, the other end of the outer protective cylinder 4 is connected with the main body structure 16, the other end of the main body structure 16 is connected with the lower joint 11, one end of the positioning platform 2 is sleeved in the upper joint 1, the other end of the positioning platform 2 is connected with the main body structure 16, one end of the concentric adjusting sleeve 3 is sleeved in the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main body structure 16, the centers of the upper joint 1, the positioning platform 2, the concentric adjusting sleeve 3, the outer protective cylinder 4, the main body structure 16 and the lower joint 11 are communicated and coaxially arranged, and the adjusting mechanism 5 is sleeved between the main body structure 16 and the outer protective cylinder 4, wherein one end of the adjusting mechanism 5 is meshed with the concentric adjusting sleeve 3.
As shown in fig. 1-2, preferably, one end of the upper joint 1 is connected with the outer casing 4 through a screw thread, wherein the other end of the outer casing 4 is connected with the main structure 16 through a screw thread, one end of the main structure 16 stretches into the inner cavity of the outer casing 4, the other end of the main structure 16 is connected with the lower joint 11 through a screw thread, one end of the positioning platform 2 is sleeved inside the upper joint 1 through a screw thread, the other end of the positioning platform 2 is welded with the end surface of the main structure 16, one end of the concentric adjusting sleeve 3 is sleeved inside the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main structure 16 stretching into the inner cavity of the outer casing 4 through a screw thread, one end of the concentric adjusting sleeve 3 is provided with a driving gear 18, and one end of the adjusting mechanism 5 is meshed with the driving gear 18 of the concentric adjusting sleeve 3.
As shown in fig. 1-2, preferably, the main structure 16 is a hollow cylindrical structure, the hollow is a central flow channel 17, one side of the end surface of the main structure 16 is provided with a through flow channel 13, wherein the through flow channels 13 are arranged in parallel with the central flow channel 17 and are not communicated, the number of the through flow channels 13 is 3, the other side of the end surface of the main structure 16 is provided with channels for placing the adjusting mechanism 5, and the channels for placing the adjusting mechanism 5 are arranged in parallel with the central flow channel 17.
As shown in fig. 1-2, preferably, the adjusting mechanism 5 includes an adjusting valve rod 6, a balance spring 7, an adjusting valve clack 8, a loading spring 9, a water outlet 12, an adjusting body 14, a water inlet 15 and a spring base 10, wherein the water inlet 15 is opened at one side of the adjusting body 14 near a central flow channel 17 of the main body structure 16, the water outlet 12 is opened at one side of the adjusting body 14 near the outer casing 4, the adjusting valve rod 6, the balance spring 7, the adjusting valve clack 8, the loading spring 9 and the spring base 10 are arranged inside the adjusting body 14, wherein the adjusting valve rod 6 is arranged near one end of the concentric adjusting sleeve 3, and the adjusting valve rod 6 is provided with a driven gear 19 meshed with a driving gear 18 of the concentric adjusting sleeve 3, one end of the adjusting valve clack 8 is connected with the balance spring 7, the balance spring 7 is near the adjusting valve rod 6, the other end of the adjusting valve clack 8 is connected with the loading spring 9, the end of the loading spring 9 is fixed on the spring base 10, and the spring base 10 is fixed at one end of the adjusting body 14 far from the concentric adjusting sleeve 3.
As shown in fig. 1, preferably, the regulating valve clack 8 includes a first regulating valve clack 8-1 and a second regulating valve clack 8-2, wherein the first regulating valve clack 8-1 and the second regulating valve clack 8-2 are both in a semicircular structure, and the first regulating valve clack 8-1 and the second regulating valve clack 8-2 are respectively arranged at two sides of the water inlet 15.
As shown in FIG. 1, the water outlet 12 preferably comprises an un-pierced water outlet 12-1 and a pierced water outlet 12-2, wherein the un-pierced water outlet 12-1 is close to the balance spring 7, and the pierced water outlet 12-2 is far from the balance spring 7.
Example 6
As shown in fig. 1-2, the invention discloses a bridge type concentric constant pressure water distributor, which comprises an upper joint 1, a positioning platform 2, a concentric adjusting sleeve 3, an outer protective cylinder 4, an adjusting mechanism 5, a main body structure 16 and a lower joint 11, wherein one end of the upper joint 1 is connected with the outer protective cylinder 4, the other end of the outer protective cylinder 4 is connected with the main body structure 16, the other end of the main body structure 16 is connected with the lower joint 11, one end of the positioning platform 2 is sleeved in the upper joint 1, the other end of the positioning platform 2 is connected with the main body structure 16, one end of the concentric adjusting sleeve 3 is sleeved in the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main body structure 16, the centers of the upper joint 1, the positioning platform 2, the concentric adjusting sleeve 3, the outer protective cylinder 4, the main body structure 16 and the lower joint 11 are communicated and coaxially arranged, and the adjusting mechanism 5 is sleeved between the main body structure 16 and the outer protective cylinder 4, wherein one end of the adjusting mechanism 5 is meshed with the concentric adjusting sleeve 3.
As shown in fig. 1-2, preferably, one end of the upper joint 1 is connected with the outer casing 4 through a screw thread, wherein the other end of the outer casing 4 is connected with the main structure 16 through a screw thread, one end of the main structure 16 stretches into the inner cavity of the outer casing 4, the other end of the main structure 16 is connected with the lower joint 11 through a screw thread, one end of the positioning platform 2 is sleeved inside the upper joint 1 through a screw thread, the other end of the positioning platform 2 is welded with the end surface of the main structure 16, one end of the concentric adjusting sleeve 3 is sleeved inside the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main structure 16 stretching into the inner cavity of the outer casing 4 through a screw thread, one end of the concentric adjusting sleeve 3 is provided with a driving gear 18, and one end of the adjusting mechanism 5 is meshed with the driving gear 18 of the concentric adjusting sleeve 3.
As shown in fig. 1-2, preferably, the main structure 16 is a hollow cylindrical structure, the hollow is a central flow channel 17, one side of the end surface of the main structure 16 is provided with a through flow channel 13, wherein the through flow channels 13 are arranged in parallel with the central flow channel 17 and are not communicated, the number of the through flow channels 13 is 3, the other side of the end surface of the main structure 16 is provided with channels for placing the adjusting mechanism 5, and the channels for placing the adjusting mechanism 5 are arranged in parallel with the central flow channel 17.
As shown in fig. 1-2, preferably, the adjusting mechanism 5 includes an adjusting valve rod 6, a balance spring 7, an adjusting valve clack 8, a loading spring 9, a water outlet 12, an adjusting body 14, a water inlet 15 and a spring base 10, wherein the water inlet 15 is opened at one side of the adjusting body 14 near a central flow channel 17 of the main body structure 16, the water outlet 12 is opened at one side of the adjusting body 14 near the outer casing 4, the adjusting valve rod 6, the balance spring 7, the adjusting valve clack 8, the loading spring 9 and the spring base 10 are arranged inside the adjusting body 14, wherein the adjusting valve rod 6 is arranged near one end of the concentric adjusting sleeve 3, and the adjusting valve rod 6 is provided with a driven gear 19 meshed with a driving gear 18 of the concentric adjusting sleeve 3, one end of the adjusting valve clack 8 is connected with the balance spring 7, the balance spring 7 is near the adjusting valve rod 6, the other end of the adjusting valve clack 8 is connected with the loading spring 9, the end of the loading spring 9 is fixed on the spring base 10, and the spring base 10 is fixed at one end of the adjusting body 14 far from the concentric adjusting sleeve 3.
As shown in fig. 1, preferably, the regulating valve clack 8 includes a first regulating valve clack 8-1 and a second regulating valve clack 8-2, wherein the first regulating valve clack 8-1 and the second regulating valve clack 8-2 are both in a semicircular structure, and the first regulating valve clack 8-1 and the second regulating valve clack 8-2 are respectively arranged at two sides of the water inlet 15.
As shown in FIG. 1, the water outlet 12 preferably comprises an un-pierced water outlet 12-1 and a pierced water outlet 12-2, wherein the un-pierced water outlet 12-1 is close to the balance spring 7, and the pierced water outlet 12-2 is far from the balance spring 7.
Example 7
As shown in fig. 1-2, the invention discloses a bridge type concentric constant pressure water distributor, which comprises an upper joint 1, a positioning platform 2, a concentric adjusting sleeve 3, an outer protective cylinder 4, an adjusting mechanism 5, a main body structure 16 and a lower joint 11, wherein one end of the upper joint 1 is connected with the outer protective cylinder 4, the other end of the outer protective cylinder 4 is connected with the main body structure 16, the other end of the main body structure 16 is connected with the lower joint 11, one end of the positioning platform 2 is sleeved in the upper joint 1, the other end of the positioning platform 2 is connected with the main body structure 16, one end of the concentric adjusting sleeve 3 is sleeved in the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main body structure 16, the centers of the upper joint 1, the positioning platform 2, the concentric adjusting sleeve 3, the outer protective cylinder 4, the main body structure 16 and the lower joint 11 are communicated and coaxially arranged, and the adjusting mechanism 5 is sleeved between the main body structure 16 and the outer protective cylinder 4, wherein one end of the adjusting mechanism 5 is meshed with the concentric adjusting sleeve 3.
As shown in fig. 1-2, preferably, one end of the upper joint 1 is connected with the outer casing 4 through a screw thread, wherein the other end of the outer casing 4 is connected with the main structure 16 through a screw thread, one end of the main structure 16 stretches into the inner cavity of the outer casing 4, the other end of the main structure 16 is connected with the lower joint 11 through a screw thread, one end of the positioning platform 2 is sleeved inside the upper joint 1 through a screw thread, the other end of the positioning platform 2 is welded with the end surface of the main structure 16, one end of the concentric adjusting sleeve 3 is sleeved inside the positioning platform 2, the other end of the concentric adjusting sleeve 3 is connected with the main structure 16 stretching into the inner cavity of the outer casing 4 through a screw thread, one end of the concentric adjusting sleeve 3 is provided with a driving gear 18, and one end of the adjusting mechanism 5 is meshed with the driving gear 18 of the concentric adjusting sleeve 3.
As shown in fig. 1-2, preferably, the main structure 16 is a hollow cylindrical structure, the hollow is a central flow channel 17, one side of the end surface of the main structure 16 is provided with a through flow channel 13, wherein the through flow channels 13 are arranged in parallel with the central flow channel 17 and are not communicated, the number of the through flow channels 13 is 3, the other side of the end surface of the main structure 16 is provided with channels for placing the adjusting mechanism 5, and the channels for placing the adjusting mechanism 5 are arranged in parallel with the central flow channel 17.
The invention sets the through-flow channel 13 as a bridge channel of the water distributor, so as to ensure that the normal water injection of other layers is not influenced in the single-layer adjusting process.
As shown in fig. 1-2, preferably, the adjusting mechanism 5 includes an adjusting valve rod 6, a balance spring 7, an adjusting valve clack 8, a loading spring 9, a water outlet 12, an adjusting body 14, a water inlet 15 and a spring base 10, wherein the water inlet 15 is opened at one side of the adjusting body 14 near a central flow channel 17 of the main body structure 16, the water outlet 12 is opened at one side of the adjusting body 14 near the outer casing 4, the adjusting valve rod 6, the balance spring 7, the adjusting valve clack 8, the loading spring 9 and the spring base 10 are arranged inside the adjusting body 14, wherein the adjusting valve rod 6 is arranged near one end of the concentric adjusting sleeve 3, and the adjusting valve rod 6 is provided with a driven gear 19 meshed with a driving gear 18 of the concentric adjusting sleeve 3, one end of the adjusting valve clack 8 is connected with the balance spring 7, the balance spring 7 is near the adjusting valve rod 6, the other end of the adjusting valve clack 8 is connected with the loading spring 9, the end of the loading spring 9 is fixed on the spring base 10, and the spring base 10 is fixed at one end of the adjusting body 14 far from the concentric adjusting sleeve 3.
As shown in fig. 1, preferably, the regulating valve clack 8 includes a first regulating valve clack 8-1 and a second regulating valve clack 8-2, wherein the first regulating valve clack 8-1 and the second regulating valve clack 8-2 are both in a semicircular structure, and the first regulating valve clack 8-1 and the second regulating valve clack 8-2 are respectively arranged at two sides of the water inlet 15.
The regulating valve clack 8 adopts a two-stage design, so that the regulating capability is improved, the stability of the front pressure entering the water outlet 12 is further realized, and the layered constant-pressure water injection is realized.
As shown in FIG. 1, the water outlet 12 preferably comprises an un-pierced water outlet 12-1 and a pierced water outlet 12-2, wherein the un-pierced water outlet 12-1 is close to the balance spring 7, and the pierced water outlet 12-2 is far from the balance spring 7.
The water outlet 12 comprises the non-through water outlet 12-1 and the through water outlet 12-2, water flows through the non-through water outlet 12-1 firstly and then flows out from the non-through water outlet 12-1 through the through water outlet 12-2, so that when small-amplitude pressure change occurs, the pressure change is reduced through the non-through water outlet 12-1, and the water distribution effect is always in a constant pressure state.
As shown in fig. 1, preferably, the concentric adjusting sleeve 3 is provided with adjusting grooves 20, wherein the number of the adjusting grooves 20 is 4, and the 4 adjusting grooves 20 are uniformly formed on the periphery of the concentric adjusting sleeve 3.
The concentric adjusting sleeve 3 is provided with four adjusting grooves 20, so that the concentric butt joint of an underground adjusting instrument and the concentric adjusting sleeve 3 is facilitated, the underground adjusting instrument drives the concentric adjusting sleeve to rotate, further drives the adjusting valve rod to rotate, adjusts the opening of the water outlet, realizes concentric electric direct adjustment of layered flow, and ensures the concentric electric direct adjustment of layered flow to be matched with the underground adjusting instrument.
The working principle of the invention is as follows:
after the water distributor and the underground regulating instrument are concentrically abutted, the underground regulating instrument drives the concentric regulating sleeve 3 to rotate by a certain angle, and then drives the regulating valve rod 6 to rotate by a certain angle, the opening of the water outlet 12 is regulated, water flows through the central flow passage 17 of the main structure 16, then flows into the regulating mechanism 5 through the water inlet 15, then flows through the regulating valve clack 8, the balance spring 7 and the non-through water outlet 12-1, finally flows out of the through water outlet 12-2, when the pressure in the central flow passage 17 of the water distributor slightly drops, the balance spring 7 contracts, the loading spring 9 extends, the front pressure of the water outlet 12 is increased, the throttling effect is reduced, otherwise, the balance spring 7 extends, the loading spring 9 contracts, the front pressure of the water outlet 12 is reduced, the throttling effect is increased, the automatic underground flow regulation is realized, the layered flow change caused by small pressure fluctuation is overcome, and the layered flow stability to a certain extent is ensured.
The invention utilizes the underground constant pressure control technology, utilizes the balance spring and the loading spring in the adjusting mechanism to carry out pressure control, realizes automatic underground flow adjustment, and overcomes the layered flow change caused by small pressure fluctuation; according to the invention, the underground adjusting instrument drives the concentric adjusting sleeve to rotate, so as to drive the adjusting valve rod to rotate, and the opening degree of the water outlet is adjusted, so that the concentric electric direct adjustment of the layered flow is realized, and the concentric electric direct adjustment is ensured to be matched with the underground adjusting instrument.
The invention adopts the design of combining the underground flow electric direct regulation and constant pressure control technology, improves the flow control effect, realizes the pressure stabilization constant pressure control, prolongs the qualified time of the layered water injection, and has excellent layered water injection effect; the parts of the invention are mainly connected by screw threads, so that the processes of welding, cementing and the like are reduced, the coaxial effect of the tool structure is improved, and the parts are concentric and coaxial.
While the preferred embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Many other changes and modifications may be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (4)
1. A bridge type concentric constant pressure water distributor is characterized in that: the novel high-strength steel wire rope welding device comprises an upper joint (1), a positioning platform (2), a concentric adjusting sleeve (3), an outer protective sleeve (4), an adjusting mechanism (5), a main body structure (16) and a lower joint (11), wherein one end of the upper joint (1) is connected with the outer protective sleeve (4), the other end of the outer protective sleeve (4) is connected with the main body structure (16), the other end of the main body structure (16) is connected with the lower joint (11), one end of the positioning platform (2) is sleeved inside the upper joint (1), the other end of the positioning platform (2) is connected with the main body structure (16), one end of the concentric adjusting sleeve (3) is sleeved inside the positioning platform (2), the other end of the concentric adjusting sleeve (3) is connected with the main body structure (16), the upper joint (1), the positioning platform (2), the concentric adjusting sleeve (3), the main body structure (16) and the lower joint (11) are communicated in the center and coaxially arranged, and the adjusting mechanism (5) is sleeved between the main body structure (16) and the outer protective sleeve (4) in a pressing mode;
the regulating mechanism (5) comprises a regulating valve rod (6), a balance spring (7), a regulating valve clack (8), a loading spring (9), a water outlet (12), a regulating body (14), a water inlet (15) and a spring base (10), wherein the water inlet (15) is formed in one side, close to a central flow passage (17) of a main body structure (16), of the regulating body (14), the water outlet (12) is formed in one side, close to an outer protective cylinder (4), of the regulating body (14), the regulating valve rod (6), the balance spring (7), the regulating valve clack (8), the loading spring (9) and the spring base (10) are arranged in the regulating body (14), the regulating valve rod (6) is arranged at one end, close to a concentric regulating sleeve (3), of the regulating valve rod (6) is provided with a driven gear (19) meshed with a driving gear (18) of the concentric regulating sleeve (3), one end of the regulating valve rod (8) is connected with the balance spring (7), the balance spring (7) is close to the regulating valve rod (6), the other end of the regulating valve clack (8) is connected with the loading spring (9), the end of the loading spring (9) is fixed at the end of the loading spring base (10), the spring base (10) is fixed at one end of the adjusting body (14) far away from the concentric adjusting sleeve (3);
the regulating valve clack (8) comprises a first-stage regulating valve clack (8-1) and a second-stage regulating valve clack (8-2), wherein the first-stage regulating valve clack (8-1) and the second-stage regulating valve clack (8-2) are of semicircular structures, and the first-stage regulating valve clack (8-1) and the second-stage regulating valve clack (8-2) are respectively arranged at two sides of the water inlet (15);
the water outlet (12) comprises an un-penetrated water outlet (12-1) and a penetrated water outlet (12-2), wherein the un-penetrated water outlet (12-1) is close to the balance spring (7), and the penetrated water outlet (12-2) is far away from the balance spring (7).
2. A bridge concentric constant pressure water distributor as claimed in claim 1, wherein: the utility model discloses a coaxial cable control device, including upper joint (1), main part (4), concentric adjustment sleeve (3), main part (3) and concentric adjustment sleeve (3), upper joint (1) one end is connected with outer protective casing (4) through the screw thread, and wherein the other end of outer protective casing (4) is connected with main part (16) through the screw thread, and wherein main part (16) inner chamber is stretched into to main part (16) one end, the other end of main part (16) is connected with lower joint (11) through the screw thread, positioning platform (2) one end is through screw thread suit in upper joint (1) inside, wherein positioning platform (2) other end and main part (16) terminal surface welding, concentric adjustment sleeve (3) one end suit is inside positioning platform (2), and wherein concentric adjustment sleeve (3) the other end is connected with main part (16) that stretches into outer protective casing (4) inner chamber through the screw thread, concentric adjustment sleeve (3) one end is equipped with driving gear (18), wherein adjustment mechanism (5) one end and concentric adjustment sleeve (3) driving gear (18) meshing.
3. A bridge concentric constant pressure water distributor as claimed in claim 2, wherein: the main body structure (16) is of a hollow cylindrical structure, a hollow part is a central flow channel (17), one side of the end face of the main body structure (16) is provided with a flow passage (13), the flow passage (13) and the central flow channel (17) are arranged in parallel and are not communicated, the number of the flow passages (13) is 3, the other side of the end face of the main body structure (16) is provided with a passage for placing the regulating mechanism (5), and the passage for placing the regulating mechanism (5) is arranged in parallel with the central flow channel (17).
4. A bridge concentric constant pressure water distributor as claimed in claim 1, wherein: the concentric adjusting sleeve (3) is provided with adjusting grooves (20), wherein the number of the adjusting grooves (20) is 4, and the 4 adjusting grooves (20) are uniformly formed in the periphery of the concentric adjusting sleeve (3).
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| CN201810841082.0A CN108915651B (en) | 2018-07-27 | 2018-07-27 | Bridge type concentric constant pressure water distributor |
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| CN201810841082.0A CN108915651B (en) | 2018-07-27 | 2018-07-27 | Bridge type concentric constant pressure water distributor |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110080732B (en) * | 2019-05-30 | 2019-12-20 | 大庆华油石油科技开发有限公司 | Mechanical control water distributor |
| CN110318720B (en) * | 2019-07-19 | 2024-04-30 | 西安思坦仪器股份有限公司 | Water distributor of wide-range orifice plate flowmeter |
| CN110685652B (en) * | 2019-09-18 | 2024-05-28 | 中国石油天然气股份有限公司 | Concentric constant-flow integrated water distributor and application method thereof |
| CN111058813A (en) * | 2020-01-16 | 2020-04-24 | 中国石油天然气股份有限公司 | Bridge type concentric integrated water distributor and water distribution method thereof |
| CN112576228B (en) * | 2020-12-10 | 2022-09-20 | 西安洛科电子科技股份有限公司 | Fully-sealed balance pressure water nozzle |
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| CN104975832A (en) * | 2015-06-26 | 2015-10-14 | 中国石油天然气股份有限公司 | Bridge type concentric water distributor |
| CN208830984U (en) * | 2018-07-27 | 2019-05-07 | 中国石油天然气股份有限公司 | A kind of concentric constant pressure injection well downhole flow regulator of bridge-type |
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| CA2054253A1 (en) * | 1991-01-23 | 1992-07-24 | Joseph Wilensky | Method and apparatus for recovering intractable petroleum from subterranean formations |
| CN201412533Y (en) * | 2009-06-19 | 2010-02-24 | 林文华 | High-pressure difference and fine adjustment control valve |
| CN104975832A (en) * | 2015-06-26 | 2015-10-14 | 中国石油天然气股份有限公司 | Bridge type concentric water distributor |
| CN208830984U (en) * | 2018-07-27 | 2019-05-07 | 中国石油天然气股份有限公司 | A kind of concentric constant pressure injection well downhole flow regulator of bridge-type |
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