CN110513088B - Annotate accent ware - Google Patents
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- CN110513088B CN110513088B CN201810493247.XA CN201810493247A CN110513088B CN 110513088 B CN110513088 B CN 110513088B CN 201810493247 A CN201810493247 A CN 201810493247A CN 110513088 B CN110513088 B CN 110513088B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 238000002347 injection Methods 0.000 claims abstract description 56
- 239000007924 injection Substances 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 230000033228 biological regulation Effects 0.000 claims description 12
- 230000008602 contraction Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 5
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- 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
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- 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)
- Nozzles (AREA)
Abstract
The invention discloses an injection regulator, and belongs to the technical field of petroleum. The injection adjuster comprises a water injection mechanism, a polymer injection mechanism and a connecting sleeve, the water injection mechanism comprises a first adjusting core pipe, the first adjusting core pipe is coaxially inserted into the connecting sleeve, the outer wall of the first adjusting core pipe is in threaded fit with the inner wall of the connecting sleeve, and the connecting sleeve is provided with a water outlet; the polymer injection mechanism comprises a second adjusting core pipe, the second adjusting core pipe is communicated with the first adjusting core pipe, the second adjusting core pipe is coaxially inserted into the connecting sleeve, the outer wall of the second adjusting core pipe is in threaded fit with the inner wall of the connecting sleeve, a first sealing ring is arranged on the inner wall of the connecting sleeve, and a discharge hole is formed in the connecting sleeve. The invention improves the construction efficiency of layered profile control.
Description
Technical Field
The invention belongs to the technical field of petroleum, and particularly relates to an injection regulator.
Background
After the oil field enters a middle and later development stage with high water content, the water content is obviously increased, the problem of interlayer contradiction is particularly important to solve, and layered profile control is an effective means for solving the interlayer contradiction. At present, the layered flooding is mainly divided into two parts, namely layered polymer injection and layered water injection, wherein the layered polymer injection is realized by a flooding device, and the layered water injection is realized by a water injector.
When the operation of separate layer is transferred and is driven, transfer and drive ware and water injector all need go into the well through the tubular column down, so the operation of separate layer is transferred and is driven must divide the tubular column of putting down twice, transfers and drives the ware in order to accomplish the part layer and annotate and gather the operation promptly once, transfers the water injector in order to accomplish the part layer water injection operation another time, leads to the efficiency of construction low.
Disclosure of Invention
In order to solve the problem of low efficiency of layered profile control construction, the embodiment of the invention provides an injection and profile control device. The technical scheme is as follows:
the embodiment of the invention provides an injection adjuster which comprises a water injection mechanism, an injection and polymerization mechanism and a connecting sleeve,
the water injection mechanism comprises a first adjusting core pipe, the first adjusting core pipe is coaxially inserted into the connecting sleeve, the outer wall of the first adjusting core pipe is in threaded fit with the inner wall of the connecting sleeve, a water outlet is formed in the connecting sleeve, when the edge of the bottom opening of the first adjusting core pipe is positioned below the edge of the bottom of the water outlet, the water outlet is separated from the bottom opening of the first adjusting core pipe, and when the edge of the bottom opening of the first adjusting core pipe is positioned above the edge of the bottom of the water outlet, the water outlet is communicated with the bottom opening of the first adjusting core pipe;
annotate and gather mechanism and include the second and adjust the core pipe, the second adjust the core pipe with first regulation core pipe intercommunication, the coaxial cartridge of second regulation core pipe is in the adapter sleeve, just the outer wall of second regulation core pipe with the inner wall screw-thread fit of adapter sleeve, be equipped with first sealing ring on the inner wall of adapter sleeve, be equipped with the discharge gate on the adapter sleeve, work as the bottom opening edge that the second was adjusted the core pipe is located during the upper portion edge below of first sealing ring, the discharge gate with the bottom opening of second regulation core pipe cuts off, works as the bottom opening edge that the second was adjusted the core pipe is located during the upper portion edge top of first sealing ring, the discharge gate with the bottom opening intercommunication of second regulation core pipe.
In an implementation manner of the invention, a second sealing ring is coaxially arranged on the inner wall of the connecting sleeve, an overflowing hole is arranged on the second sealing ring, the overflowing hole and the water outlet are oppositely arranged and communicated together, a first water nozzle sleeve is coaxially arranged on the inner wall of the second sealing ring, a plurality of strip-shaped through holes for communicating the overflowing hole with a bottom opening of the first adjusting core pipe are circumferentially arranged on the first water nozzle sleeve, each strip-shaped through hole extends along the axial direction of the first water nozzle sleeve, a second water nozzle sleeve is arranged on the outer wall of the bottom of the first adjusting core pipe, and the outer wall of the second water nozzle sleeve is in sliding fit with the inner wall of the first water nozzle sleeve.
In another implementation manner of the invention, the second nozzle sleeve is a ceramic structural member.
In another implementation manner of the present invention, an inner flange is coaxially disposed on an inner wall of the second sealing ring, and a sealing ring is disposed between the second water nozzle sleeve and the first adjusting core tube, and the sealing ring is configured to seal a gap between an end surface of the inner flange and the second water nozzle sleeve.
In another implementation manner of the present invention, the connection sleeve includes an upper outer sleeve and a positioning pipe sleeve, the positioning pipe sleeve is coaxially inserted into the upper outer sleeve, a positioning groove for clamping a positioning claw of the measurement and adjustment instrument is disposed at a top of the positioning pipe sleeve, the first adjustment core pipe is inserted into the positioning pipe sleeve, and an outer wall of the first adjustment core pipe is in threaded connection with an inner wall of the positioning pipe sleeve.
In another implementation manner of the present invention, the connection sleeve further includes a dispensing cylinder, the dispensing cylinder is coaxially fixed at the bottom of the upper outer sleeve, an inner diameter of the dispensing cylinder gradually increases from one end of the dispensing cylinder connected to the upper outer sleeve to the other end, the discharge port is disposed at one end of the dispensing cylinder connected to the upper outer sleeve, the second adjusting core tube is inserted into the dispensing cylinder, a sealing cone is coaxially disposed on an outer wall of the second adjusting core tube, and an outer diameter of the sealing cone gradually increases from one end of the sealing cone close to the discharge port to the other end.
In another implementation manner of the present invention, a plurality of expansion and contraction grooves are coaxially disposed on an outer wall of the sealing cone, and each of the expansion and contraction grooves is arranged at an interval along an axial direction of the sealing cone.
In another implementation manner of the present invention, the connection sleeve further includes a lower outer sleeve, the lower outer sleeve is coaxially fixed at the bottom of the injection cylinder, the second sealing ring is coaxially fixed on an inner wall of the lower outer sleeve, a supporting cylinder is fixed on a top surface of the second sealing ring, the supporting cylinder is coaxially inserted into the lower outer sleeve, a supporting ring is disposed at a top of the supporting cylinder, and the supporting ring is coaxially clamped between the lower outer sleeve and the second adjusting core tube.
In yet another implementation of the present invention, an upper joint is fixed to the top of the upper outer sleeve, and the upper joint is coaxially arranged with the upper outer sleeve.
In yet another implementation of the present invention, a lower joint is fixed to the bottom of the lower outer sleeve, and the lower joint is coaxially arranged with the upper outer sleeve.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
when the injection regulator provided by the embodiment of the invention is used for carrying out layered flooding operation, the injection regulator is put into a well through a pipe column (both a water outlet and a discharge hole are in a closed state), when the layered flooding operation is required, a testing and regulating instrument can be clamped on a first regulating core pipe, the position relation between the first regulating core pipe and the water outlet is controlled so as to open the water outlet, the water outlet is communicated with the first regulating core pipe at the moment, so that water can be injected from the first regulating core pipe to the interlayer, and the water outlet can be closed again through the testing and regulating instrument after the layered flooding operation is finished so as to avoid the influence on the layered flooding operation; when needs carry out the layering and annotate and gather the operation, can adjust the appearance joint on the second adjusts core pipe, the position relation between steerable second adjusts core pipe and the discharge gate to open the discharge gate, at this moment, first regulation core pipe, second adjust core pipe and discharge gate and communicate in proper order, thereby can follow first regulation core pipe and annotate the material to the layer. That is to say, the injection and adjustment device provided by the embodiment of the invention can finish the operation of layered injection and layered water injection only by lowering the well once, and the two operations cannot influence each other, so that the construction efficiency of layered injection and adjustment is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a cross-sectional view of an injector provided by an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of an injector provided by an embodiment of the present invention;
FIG. 3 is an enlarged view of a slot according to an embodiment of the present invention;
FIG. 4 is a partial cross-sectional view of an injector provided by embodiments of the present invention;
fig. 5 is a schematic structural diagram of a gasket according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Examples
The embodiment of the invention provides an injection adjuster, which comprises a water injection mechanism 1, an injection and polymerization mechanism 2 and a connecting sleeve 3 as shown in figure 1.
The water injection mechanism 1 comprises a first adjusting core tube 11, the first adjusting core tube 11 is coaxially inserted into the connecting sleeve 3, the outer wall of the first adjusting core tube 11 is in threaded fit with the inner wall of the connecting sleeve 3, a water outlet a is arranged on the connecting sleeve 3, when the edge of the bottom opening of the first adjusting core tube 11 is positioned below the edge of the bottom of the water outlet a, the water outlet a is separated from the bottom opening of the first adjusting core tube 11, and when the edge of the bottom opening of the first adjusting core tube 11 is positioned above the edge of the bottom of the water outlet a, the water outlet a is communicated with the bottom opening of the first adjusting core tube 11.
The polymer injection mechanism 2 comprises a second adjusting core tube 21, the second adjusting core tube 21 is communicated with the first adjusting core tube 11, the second adjusting core tube 21 is coaxially inserted into the connecting sleeve 3, the outer wall of the second adjusting core tube 21 is in threaded fit with the inner wall of the connecting sleeve 3, a first sealing ring 41 is arranged on the inner wall of the connecting sleeve 3, a discharge hole b is arranged on the connecting sleeve 3, when the edge of the bottom opening of the second adjusting core tube 21 is positioned below the upper edge of the first sealing ring 41, the discharge hole b is separated from the bottom opening of the second adjusting core tube 21, and when the edge of the bottom opening of the second adjusting core tube 21 is positioned above the upper edge of the second sealing ring 41, the discharge hole b is communicated with the bottom opening of the second adjusting core tube 21.
When the injection regulator provided by the embodiment of the invention is used for carrying out layered flooding operation, the injection regulator is put into a well through a pipe column (both a water outlet a and a discharge outlet b are in a closed state), when the layered flooding operation is required, a testing and regulating instrument can be clamped on a first regulating core pipe 11, the position relation between the first regulating core pipe 11 and the water outlet a is controlled, so that the water outlet a is opened, the water outlet a is communicated with the first regulating core pipe 11 at the moment, water can be injected from the first regulating core pipe 11 to layers, and the water outlet a can be closed again through the testing and regulating instrument after the layered flooding operation is finished, so that the influence on the layered flooding operation is avoided; when layered injection and polymerization operation is needed, the measuring and adjusting instrument can be clamped on the second adjusting core pipe 21, the position relation between the second adjusting core pipe 21 and the discharge hole b can be controlled, the discharge hole b is opened, at the moment, the first adjusting core pipe 11, the second adjusting core pipe 21 and the discharge hole b are communicated in sequence, and therefore materials can be injected from the first adjusting core pipe 11 to layers. That is to say, the injection and adjustment device provided by the embodiment of the invention can finish the operation of layered injection and layered water injection only by lowering the well once, the two operations cannot be influenced mutually, the viscosity loss rate is low (less than or equal to 10 percent), and the construction efficiency of layered injection and adjustment is improved.
In the above implementation manner, the measuring and adjusting instrument is a device used in cooperation with the water distributor and the injection distributor, and is mainly used for controlling the opening and closing of the water distributor and the injection distributor.
Fig. 2 is a partial cross-sectional view of the injection regulator, and referring to fig. 2, in this embodiment, a second sealing ring 42 is coaxially disposed on an inner wall of the connecting sleeve 3, a flow passing hole c is disposed on the second sealing ring 42, the flow passing hole and the water outlet a are oppositely disposed and communicated, a first nozzle sleeve 51 is coaxially disposed on the inner wall of the second sealing ring 42, a plurality of strip-shaped through holes d for communicating the flow passing hole c with a bottom opening of the first regulating core tube 11 are circumferentially disposed on the first nozzle sleeve 51, each strip-shaped through hole d extends along an axial direction of the first nozzle sleeve 51, a second nozzle sleeve 52 is disposed on an outer wall of the bottom of the first regulating core tube 11, and an outer wall of the second nozzle sleeve 52 is in sliding fit with an inner wall of the first nozzle sleeve 51.
In the above implementation manner, the water outlet a, the overflowing hole c and the strip-shaped through hole d are sequentially communicated together, along with the axial displacement of the first adjusting core tube 11 relative to the connecting sleeve 3, the strip-shaped through hole d is gradually communicated with the bottom opening of the first adjusting core tube 11, and the axial displacement of the first adjusting core tube 11 relative to the connecting sleeve 3 and the overflowing area of the strip-shaped through hole d form a positive correlation relationship, so that the opening degree of the strip-shaped through hole d can be controlled by controlling the axial movement of the first adjusting core tube 11.
Preferably, the second nozzle sleeve 52 is a ceramic structural member.
In the above implementation manner, since the outer wall of the second nozzle sleeve 52 is in sliding fit with the inner wall of the first nozzle sleeve 51, the second nozzle sleeve 52 is required to be of a wear-resistant structure, and since the second nozzle sleeve 52 is a ceramic structural member, the friction coefficient between the first nozzle sleeve 51 and the second nozzle sleeve 52 can be effectively reduced, and the service lives of the first nozzle sleeve 51 and the second nozzle sleeve 52 are further prolonged.
More preferably, the outer wall of the second nozzle sleeve 52 protrudes from the outer wall of the first regulated core tube 11, so that abrasion of the first regulated core tube 11 is avoided.
In this embodiment, an inner flange 411 is coaxially disposed on an inner wall of the second sealing ring 42, a sealing ring 53 is disposed between the second nozzle sleeve 52 and the first adjusting core tube 11, the sealing ring 53 is disposed toward an end surface of the inner flange 411, and the sealing ring 53 is used for sealing a gap between the end surface of the inner flange 411 and the second nozzle sleeve 52.
In the above implementation manner, when the first adjusting core tube 11 abuts against the end surface of the inner flange 411, at this time, the water outlet a and the first adjusting core tube 11 are separated, and the sealing ring 53 plays a role in sealing the second sealing ring 42 and the first adjusting core tube 11, so as to avoid affecting the layered polymer injection operation.
Referring to fig. 1 again, in the present embodiment, the connection sleeve 3 includes an upper outer sleeve 31 and a positioning sleeve 32, the positioning sleeve 32 is coaxially inserted into the upper outer sleeve 31, a positioning slot 321 for clamping a positioning claw of the measuring and adjusting instrument is disposed at the top of the positioning sleeve 32, the first adjusting core tube 11 is inserted into the positioning sleeve 32, and the outer wall of the first adjusting core tube 11 is in threaded connection with the inner wall of the positioning sleeve 32.
In the above implementation manner, the top end of the first adjusting core tube 11 is provided with a first adjusting groove 111 for clamping an adjusting jaw of the measuring and adjusting instrument, after the injecting and adjusting instrument is put in place in the well, a constructor puts the measuring and adjusting instrument into the well, clamps the positioning jaw of the measuring and adjusting instrument on the positioning groove 321 of the positioning tube sleeve 32, clamps the adjusting jaw of the measuring and adjusting instrument on the first adjusting groove 111 of the first adjusting core tube 11, and rotates the adjusting jaw of the measuring and adjusting instrument when the axial position of the first adjusting core tube 11 in the connecting sleeve 3 needs to be adjusted, so as to drive the first adjusting core tube 11 to rotate relative to the positioning tube sleeve 32, thereby generating axial relative displacement under the effect of the thread fit of the first adjusting core tube and the first adjusting jaw, and thus realizing the opening degree adjustment of the water outlet a.
Specifically, the connection sleeve 3 further includes a dispensing cylinder 33, the dispensing cylinder 33 is coaxially fixed at the bottom of the upper outer sleeve 31, the inner diameter of the dispensing cylinder 33 gradually increases from one end of the dispensing cylinder 33 connected with the upper outer sleeve 31 to the other end, the discharge hole b is arranged at one end of the dispensing cylinder 33 connected with the upper outer sleeve 31, the second adjusting core tube 21 is inserted into the dispensing cylinder 33, a sealing cone 331 is coaxially arranged on the outer wall of the second adjusting core tube 21, and one end of the sealing cone 331 close to the discharge hole b gradually increases towards the other end.
In the above implementation, when the discharge hole b is just communicated with the second adjusting core tube 21, the flow area between the sealing cone 331 and the dispensing cylinder 33 is the largest, and as the second adjusting core tube 21 moves axially toward the discharge hole b, the flow area between the sealing cone 331 and the dispensing cylinder 33 gradually decreases, that is, the flow rate at the discharge hole b gradually decreases, so that the flow rate adjustment is realized.
Specifically, the top of the second adjusting core tube 21 is provided with a second adjusting groove 211 for clamping an adjusting jaw of the measuring and adjusting instrument, the outer wall of the second adjusting core tube 21 is in threaded fit with the inner wall of the upper outer sleeve 31, when layered injection and polymerization operation needs to be performed, a constructor clamps the positioning jaw of the measuring and adjusting instrument on the positioning groove 321 of the positioning tube sleeve 32, and clamps the adjusting jaw of the measuring and adjusting instrument on the second adjusting groove 211 of the second adjusting core tube 21, and when the axial position of the second adjusting core tube 21 in the connecting sleeve 3 needs to be adjusted, the adjusting jaw of the measuring and adjusting instrument is rotated to drive the second adjusting core tube 21 to rotate relative to the upper outer sleeve 31, so that axial relative displacement is generated under the action of threaded fit of the second adjusting core tube 21 and the upper outer sleeve 31, and flow adjustment of the discharge port b is realized.
More specifically, a plurality of expansion and contraction grooves 332 are coaxially formed in the outer wall of the sealing cone 331, and the expansion and contraction grooves 332 are respectively arranged at intervals in the axial direction of the sealing cone 331.
Fig. 3 is an enlarged view of the expansion and contraction groove, and in conjunction with fig. 3, preferably, the angle between the upper contour line of the expansion and contraction groove 332 and the horizontal line may be 30 °, and the angle between the lower contour line of the expansion and contraction groove 332 and the horizontal line may be 60 °.
In the above implementation, the polymer will generate a pressure drop when passing between the sealing cone 331 and the dispensing cylinder 33 according to the coil damping principle, so as to control the displacement.
In this embodiment, the connection sleeve 3 further includes a lower outer sleeve 34, the lower outer sleeve 34 is coaxially fixed at the bottom of the injection cylinder 33, the first sealing ring 41 is coaxially fixed on the inner wall of the lower outer sleeve 34, the top surface of the first sealing ring 41 is fixed with the support cylinder 35, the support cylinder 35 is coaxially inserted into the lower outer sleeve 34, the top of the support cylinder 35 is provided with a support ring 36, and the support ring 36 is coaxially clamped between the lower outer sleeve 34 and the second adjusting core tube 21.
In the above implementation, the support cylinder 35 and the support ring 36 are both used for supporting the second adjusting core tube 21, and the inner wall of the support ring 36 is in sliding fit with the outer wall of the second adjusting core tube 21.
Fig. 4 is a partial cross-sectional view of the dispenser, and in conjunction with fig. 4, specifically, the support ring 36 is provided with flow holes e at intervals for providing flow space for the polymer.
In this embodiment, an upper joint 37 is fixed to the top of the upper outer sleeve 31, and the upper joint 37 is arranged coaxially with the upper outer sleeve 31.
In the above implementation, the top sub 37 is used to connect the string, thereby facilitating lowering of the injection modulator into the well.
In this embodiment, a lower joint 38 is fixed to the bottom of the lower outer jacket 34, and the lower joint 38 is arranged coaxially with the upper outer jacket 31.
Specifically, the inner wall of the lower joint 38 protrudes out of the inner wall of the lower outer sleeve 34, a sealing gasket 39 (see fig. 5) is clamped at a connection position between the lower joint 38 and the lower outer sleeve 34, a convex ring 391 is coaxially arranged on the inner wall of the sealing gasket 39, one end face, facing the lower joint 38, of the convex ring 391 is used for abutting against the lower joint 38, the other end face of the convex ring 391 is used for abutting against the edge of the bottom opening of the second adjusting core tube 21, and when the edge of the bottom opening of the second adjusting core tube 21 abuts against the convex ring 391, the bottom opening of the second adjusting core tube 21 can be sealed, so that influence on the layered water injection operation is avoided.
Preferably, the gasket 39 may be a teflon structure.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. An injection adjuster is characterized by comprising a water injection mechanism, an injection and polymerization mechanism and a connecting sleeve,
the water injection mechanism comprises a first adjusting core pipe which is coaxially inserted in the connecting sleeve, the outer wall of the first adjusting core pipe is in threaded fit with the inner wall of the connecting sleeve, the connecting sleeve is provided with a water outlet, a second sealing ring is coaxially arranged on the inner wall of the connecting sleeve, an overflowing hole is arranged on the second sealing ring, the overflowing hole and the water outlet are oppositely arranged and communicated together, the inner wall of the second sealing ring is coaxially provided with a first water nozzle sleeve, a plurality of strip-shaped through holes which are used for communicating the overflowing hole with the bottom opening of the first adjusting core pipe are arranged on the first water nozzle sleeve in the circumferential direction, each strip-shaped through hole extends along the axial direction of the first water nozzle sleeve, a second water nozzle sleeve is arranged on the outer wall of the bottom of the first adjusting core pipe, and the outer wall of the second water nozzle sleeve is in sliding fit with the inner wall of the first water nozzle sleeve;
the water outlet, the overflowing hole and the strip-shaped through hole are sequentially communicated together, the strip-shaped through hole is gradually communicated with the bottom opening of the first adjusting core pipe along with the axial displacement of the first adjusting core pipe relative to the connecting sleeve, when the edge of the bottom opening of the first adjusting core pipe is positioned below the edge of the bottom of the water outlet, the water outlet is separated from the bottom opening of the first adjusting core pipe, and when the edge of the bottom opening of the first adjusting core pipe is positioned above the edge of the bottom of the water outlet, the water outlet is communicated with the bottom opening of the first adjusting core pipe;
annotate and gather mechanism and include the second and adjust the core pipe, the second adjust the core pipe with first regulation core pipe intercommunication, the coaxial cartridge of second regulation core pipe is in the adapter sleeve, just the outer wall of second regulation core pipe with the inner wall screw-thread fit of adapter sleeve, be equipped with first sealing ring on the inner wall of adapter sleeve, be equipped with the discharge gate on the adapter sleeve, work as the bottom opening edge that the second was adjusted the core pipe is located during the upper portion edge below of first sealing ring, the discharge gate with the bottom opening of second regulation core pipe cuts off, works as the bottom opening edge that the second was adjusted the core pipe is located during the upper portion edge top of first sealing ring, the discharge gate with the bottom opening intercommunication of second regulation core pipe.
2. The dispenser of claim 1, wherein said second nozzle sleeve is a ceramic structural member.
3. The dispenser according to claim 1, wherein an inner flange is coaxially disposed on an inner wall of the second sealing ring, and a sealing ring is disposed between the second nozzle sleeve and the first regulating core tube, and the sealing ring is configured to seal a gap between an end surface of the inner flange and the second nozzle sleeve.
4. The injection adjuster according to claim 1, wherein the connecting sleeve comprises an upper outer sleeve and a positioning sleeve, the positioning sleeve is coaxially inserted into the upper outer sleeve, a positioning groove for clamping a positioning claw of the measuring and adjusting instrument is formed in the top of the positioning sleeve, the first adjusting core tube is inserted into the positioning sleeve, and the outer wall of the first adjusting core tube is in threaded connection with the inner wall of the positioning sleeve.
5. The injection adjuster according to claim 4, wherein the connecting sleeve further comprises an injection allocation cylinder, the injection allocation cylinder is coaxially fixed at the bottom of the upper outer sleeve, the inner diameter of the injection allocation cylinder gradually increases from one end of the injection allocation cylinder connected with the upper outer sleeve to the other end, the discharge port is arranged at one end of the injection allocation cylinder connected with the upper outer sleeve, the second adjusting core tube is inserted into the injection allocation cylinder, a sealing cone is coaxially arranged on the outer wall of the second adjusting core tube, and the outer diameter of the sealing cone gradually increases from one end of the sealing cone close to the discharge port to the other end.
6. The injector according to claim 5, wherein a plurality of expansion and contraction grooves are coaxially arranged on the outer wall of the sealing cone, and the expansion and contraction grooves are respectively arranged at intervals along the axial direction of the sealing cone.
7. The dispenser according to claim 5, wherein the connection sleeve further comprises a lower outer sleeve, the lower outer sleeve is coaxially fixed at the bottom of the dispensing cylinder, the first sealing ring is coaxially fixed on the inner wall of the lower outer sleeve, a supporting cylinder is fixed on the top surface of the first sealing ring, the supporting cylinder is coaxially inserted into the lower outer sleeve, a supporting ring is arranged at the top of the supporting cylinder, and the supporting ring is coaxially clamped between the lower outer sleeve and the second regulating core tube.
8. The dispenser of claim 4, wherein an upper connector is secured to the top of the upper housing, the upper connector being coaxially disposed with the upper housing.
9. The dispenser of claim 7, wherein a lower connector is secured to a bottom portion of the lower housing, the lower connector being coaxially disposed with the upper housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810493247.XA CN110513088B (en) | 2018-05-22 | 2018-05-22 | Annotate accent ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810493247.XA CN110513088B (en) | 2018-05-22 | 2018-05-22 | Annotate accent ware |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110513088A CN110513088A (en) | 2019-11-29 |
| CN110513088B true CN110513088B (en) | 2021-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810493247.XA Active CN110513088B (en) | 2018-05-22 | 2018-05-22 | Annotate accent ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110513088B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855095B (en) * | 2021-02-03 | 2023-01-03 | 中海油能源发展股份有限公司 | Underground in-situ retrievable online profile control device, tubular column and method |
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|---|---|---|---|---|
| CN102146786A (en) * | 2011-02-15 | 2011-08-10 | 董力维 | Polymer flooding and water flooding double-function external adjusting stopper |
| CN202348251U (en) * | 2011-11-25 | 2012-07-25 | 西安思坦仪器股份有限公司 | Adjustable constant flow water faucet |
| CN202707018U (en) * | 2012-07-27 | 2013-01-30 | 中国石油化工股份有限公司 | Bridge type eccentric overflowing water distributor and blanking plug thereof |
| CN203175467U (en) * | 2013-04-25 | 2013-09-04 | 董向军 | Adjustable water faucet |
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| CA2994540A1 (en) * | 2015-08-03 | 2017-02-09 | Ecolab Usa Inc. | Compositions and methods for delayed crosslinking in hydraulic fracturing fluids |
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| CN103352678A (en) * | 2013-06-27 | 2013-10-16 | 哈尔滨工业大学 | Polymer injection water injection layering selection continuous adjustable injection allocation device |
| CN103375152A (en) * | 2013-08-09 | 2013-10-30 | 中国石油化工股份有限公司 | Adjustable plug capable of simultaneously controlling one water nozzle to be opened and the other closed |
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| CN110513088A (en) | 2019-11-29 |
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