CN210948625U - Online filling device of water-soluble temporary plugging agent for steering fracturing - Google Patents
Online filling device of water-soluble temporary plugging agent for steering fracturing Download PDFInfo
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- CN210948625U CN210948625U CN201921734403.3U CN201921734403U CN210948625U CN 210948625 U CN210948625 U CN 210948625U CN 201921734403 U CN201921734403 U CN 201921734403U CN 210948625 U CN210948625 U CN 210948625U
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Abstract
The embodiment of the utility model discloses an online filling device of a water-soluble temporary plugging agent for steering fracturing, which comprises a feeding straight pipe, wherein the inlet of the feeding straight pipe is connected with the outlet ends of a first fixed elbow, a first plug valve and an inlet T-shaped tee; the outlet of the feeding straight pipe is connected with the inlet ends of the second fixed elbow, the second plug valve and the outlet T-shaped tee; the other outlet end of the inlet T-shaped tee joint is connected with a third plug valve through a first short section, and the third plug valve is connected with the other inlet end of the outlet T-shaped tee joint through a second short section; the inside injection mouth, mixing chamber, shrink tube, choke, the diffusion tube that communicate have set gradually between the export from the import of reinforced straight tube, have seted up the opening on the mixing chamber, are connected with the hopper bottom. The online filling device of the water-soluble temporary plugging agent for the steering fracturing is simple to operate and safe to use, can realize multiple times of addition or single time of large-scale addition of the temporary plugging agent, improves the delivery efficiency of the temporary plugging agent, saves raw materials and energy, and protects the environment and the safety of operators.
Description
Technical Field
The utility model relates to an oil gas field development fracturing technical field especially relates to a turn to online filling device of water-soluble temporary plugging agent for fracturing.
Background
At present, a low-permeability oil reservoir at home and abroad can obtain a better recovery effect through diversion fracturing modification, meanwhile, the development of an unconventional oil and gas reservoir is realized through technical means such as multi-slit staged fracturing in sections, and the like, which becomes the key point of exploration and development at home and abroad, no matter conventional straight well fracturing modification or unconventional horizontal well section multi-slit staged fracturing, a water-soluble temporary plugging agent is required to be used for fracturing diversion, and thus the effect that the effective modification volume of a single well is relatively maximum is obtained.
The water-soluble temporary plugging agent has good plugging performance, can be favorable for plugging removal and flowback after plugging is finished, avoids damage to a reservoir stratum, and is a temporary plugging agent preferentially selected for diversion fracturing. At present, the temporary plugging agent is mainly put on the ground in three ways: firstly, pack into the perpendicular nipple joint or similar mechanism that suitable position installed additional between high-pressure manifold and well head into the mixed liquid of temporary plugging agent of thoughtlessly joining in marriage in advance, impress the well into through the valve door of switching the mixed liquid of temporary plugging agent, secondly pack into oil pipe the mixed liquid of temporary plugging agent of thoughtlessly joining in advance to directly impress at the well head through fracturing truck or cement pump truck, thirdly pack into the mixed liquid of temporary plugging agent of thoughtlessly joining in marriage in the low pressure nylon tube between sand mixing truck and the pump truck in advance, rethread fracturing handlebar temporary plugging agent is pressed into in the well. The method has the defects that the temporary plugging agent needs to be pre-mixed, the vertical short section or the oil pipe or the low-pressure nylon pipe has capacity limitation, the temporary plugging agent needs to be loaded through disassembling equipment for multiple times, multiple circulation operations exist, the input process is complicated, the temporary plugging agent is wasted in materials, the environment is polluted, the method is not suitable for the real requirement of pressing the temporary plugging agent in a large quantity and multiple batches, meanwhile, personal safety hazards exist when the temporary plugging agent is pressed in through a high-pressure end, and the defects that the construction and the safety are insufficient and the like caused by adhesion and blockage of a pipeline and a fracturing truck pump head one-way valve and insufficient pressure bearing of the nylon pipe exist when the temporary plugging agent is pressed in through the low-pressure end are overcome.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that will solve lies in, all need to carry out the precollecting to temporary plugging agent ground is put in to need dismantle equipment many times and accomplish and pack into, the input process is numerous and diverse, and the problem that is accompanied with the extravagant environmental pollution of material, has provided one kind and has turned to online filling device of temporary plugging agent of water-soluble for fracturing.
In order to solve the technical problem, an embodiment of the utility model provides an online filling device of water-soluble temporary plugging agent for steering fracturing, which comprises a feeding straight pipe, wherein the inlet of the feeding straight pipe is connected with a first fixed elbow, the other end of the first fixed elbow is connected with a first plug valve, and the first plug valve is connected with one outlet end of an inlet T-shaped tee; the outlet of the feeding straight pipe is connected with a second fixed elbow, the other end of the second fixed elbow is connected with a second plug valve, and the second plug valve is connected with one inlet end of the outlet T-shaped tee; the other outlet end of the inlet T-shaped tee joint is connected with a third plug valve through a first short section, and one end, far away from the first short section, of the third plug valve is connected with the other inlet end of the outlet T-shaped tee joint through a second short section; the inside injection mouth, mixing chamber, shrink tube, choke, the diffusion tube that have set gradually the intercommunication between the export from the import of reinforced straight tube, have seted up the opening on the mixing chamber, and the opening passes through wing section union and is connected with fourth plug valve, and the other end of fourth plug valve passes through wing section union and is connected bottom the hopper.
Wherein, the import and the export of reinforced straight tube are equallyd divide and are connected with first fixed elbow and second fixed elbow through wing section union respectively, first plug valve all through wing section union respectively with first fixed elbow and import T type three way connection, first nipple joint all through wing section union respectively with import T type three way and third plug valve be connected, the second nipple joint all through wing section union respectively with third plug valve and export T type three way connection, the second plug valve all through wing section union respectively with export T type three way and second fixed elbow connection.
Wherein, the inlet of the inlet T-shaped tee joint is provided with a union male joint and a three-jaw nut, and the outlet of the outlet T-shaped tee joint is provided with a union female joint.
Wherein, the diameter of the injection orifice of the straight charging pipe from the inlet to the outlet is gradually reduced, and the diameter of the diffusion pipe from the inlet to the outlet is gradually increased.
Implement the embodiment of the utility model provides a, following beneficial effect has: the online filling device of the water-soluble temporary plugging agent for the steering fracturing has the advantages of reasonable structure, simple and rapid operation and safe and reliable use; the pump-out liquid of the fracturing truck is used as source power, micro negative pressure is generated in the mixing chamber of the feeding straight pipe, materials conveyed by the hopper are enabled to smoothly enter the mixing chamber to be mixed with the pump-out liquid and then conveyed into the well, the waste of devices, places, materials and manpower generated by pre-mixing of the temporary plugging agent is avoided, the defects of pipeline blockage, pump truck faults, environmental influence, insufficient construction safety and the like possibly generated in the prior art are overcome, the temporary plugging agent can be added for multiple times or added for a large amount of times, the delivery flow is simplified, the delivery efficiency of the temporary plugging agent is improved, the site construction requirements are met, raw materials and energy are saved, and the environment and the safety of operators are protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of an online filling device for a water-soluble temporary plugging agent for steering fracturing provided by the present invention;
fig. 2 is an enlarged schematic view of the interior of the straight feeding pipe in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
This turn to online filling device of water-soluble temporary plugging agent for fracturing includes: the device comprises a first fixed elbow 1, a feeding straight pipe 2, a first plug valve 3, an inlet T-shaped tee joint 4, a second fixed elbow 5, a second plug valve 6, an outlet T-shaped tee joint 7, a first short section 8, a third plug valve 9, a second short section 10, a wing-shaped union 11, a fourth plug valve 12, a hopper 13, a jet orifice 21, a mixing chamber 22, a contraction pipe 23, a throat pipe 24 and a diffusion pipe 25.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic view of an overall structure of an online charging device for a water-soluble temporary plugging agent for steering fracturing provided by the present invention; fig. 2 is an enlarged schematic view of the interior of the straight feeding pipe in fig. 1.
The import of reinforced straight tube 2 is connected with first fixed elbow 1, and the other end of first fixed elbow 1 is connected with first plug valve 3, and first plug valve 3 is connected with an exit end of import T type tee bend 4.
The outlet of the charging straight pipe 2 is connected with a second fixed elbow 5, the other end of the second fixed elbow 5 is connected with a second plug valve 6, and the second plug valve 6 is connected with one inlet end of an outlet T-shaped tee 7.
And the other outlet end of the inlet T-shaped tee joint 4 is connected with a third plug valve 9 through a first short section 8, and one end, far away from the first short section 8, of the third plug valve 9 is connected with the other inlet end of the outlet T-shaped tee joint 7 through a second short section 10.
The injection orifice 21, the mixing chamber 22, the contraction pipe 23, the throat pipe 24 and the diffusion pipe 25 which are communicated are sequentially arranged in the charging straight pipe 2 from the inlet to the outlet, the diameter of the injection orifice 21 is gradually reduced from the inlet to the outlet, and the diameter of the diffusion pipe 25 is gradually increased from the inlet to the outlet. An opening is formed in the mixing chamber 22, the opening is connected with a fourth plug valve 12 through a wing-shaped union 11, and the other end of the fourth plug valve 12 is connected with the bottom of the hopper 13 through another wing-shaped union 11. When the fluid pumped by the fracturing truck passes through the jet orifice 21, a high-speed jet flow is generated, and then quickly passes through the contraction pipe 23, the throat pipe 24 and the diffusion pipe 25, micro negative pressure is formed in the mixing chamber 22, and the fluid cannot flow out from the direction of the hopper 13, so that the temporary plugging agent can be fully ensured to enter the mixing chamber 22 under the action of gravity and vacuum, and enter a well through a high-pressure manifold after being fully mixed with the fluid pumped by the fracturing truck in the mixing chamber 22.
Wherein, the import and the export of reinforced straight tube 2 are equallyd divide and are connected with first fixed elbow 1 and second fixed elbow 5 through wing section union 11 respectively, first plug valve 3 all is through being connected with first fixed elbow 1 and import T type tee bend 4 respectively by wing section union 11, first nipple joint 8 all is connected with import T type tee bend 4 and third plug valve 9 respectively through wing section union 11, second nipple joint 10 all is connected with third plug valve 9 and export T type tee bend 7 respectively through wing section union 11, second plug valve 6 all is connected with export T type tee bend 7 and second fixed elbow 5 respectively through wing section union 11.
In this embodiment, the airfoil union 11 includes a union female joint, a union male joint, a three-jaw nut, and a gasket, the union female joint and the union male joint are connected by the three-jaw nut, and the gasket is installed inside the airfoil union. The inlet of the inlet T-shaped tee joint 4 is provided with a union male joint 15 and a three-jaw nut, and the outlet of the outlet T-shaped tee joint 7 is provided with a union female joint 14. The inlet T-shaped tee 4 and the outlet T-shaped tee 7 are detachably connected with the inlet pipe and the outlet pipe through wing-shaped union bodies.
When the on-line filling device of the water-soluble temporary plugging agent for the steering fracturing is installed, the on-line filling device is directly inserted into a proper position on a high-pressure manifold pry between a fracturing pump truck and a wellhead, so that a next section of high-pressure manifold can be replaced or the high-pressure manifold can be prolonged. When the device is installed, the inlet of an inlet T-shaped tee joint of the device for online filling the water-soluble temporary plugging agent for the steering fracturing is connected with the outlet end of a fracturing pump truck or a high-pressure manifold through a wing-shaped union, and the outlet of the outlet T-shaped tee joint is connected with the inlet of the high-pressure manifold through the wing-shaped union.
During operation, the fracturing pump truck is started or the pressure of the fracturing pump truck is reduced to the plugging squeezing pressure of the water-soluble temporary plugging agent, the temporary plugging agent is loaded into the hopper, the second plug valve and the first plug valve are opened in sequence, fluid passes through the feeding straight pipe, the opening degree of the third plug valve is properly adjusted, after a proper micro negative pressure is formed in the mixing chamber of the feeding straight pipe, the fourth plug valve is slowly opened, the feeding speed is adjusted, the temporary plugging agent can be continuously added into the hopper, after the temporary plugging agent is added and completed, the fourth plug valve is sequentially closed, the second plug valve and the first plug valve are completely opened, and the fracturing construction can be started when the temporary plugging agent reaches the optimal plugging strength.
Implement the embodiment of the utility model provides a, following beneficial effect has: the online filling device of the water-soluble temporary plugging agent for the steering fracturing has the advantages of scientific and reasonable structure, simple and quick operation, and safe and reliable use; the pump-out liquid of the fracturing truck is used as source power, micro negative pressure is generated in the mixing chamber of the feeding straight pipe, materials conveyed by the hopper are enabled to smoothly enter the mixing chamber to be mixed with the pump-out liquid and then conveyed into the well, the defects of pipeline blockage, pump truck faults, environmental influence, insufficient construction safety and the like possibly generated by pre-mixing of the temporary plugging agent are overcome, multiple times of adding or single time of adding a large amount of temporary plugging agent can be realized, the delivery flow is simplified, the delivery efficiency of the temporary plugging agent is improved, the site construction requirements are met, raw materials and energy are saved, and the environment and the safety of operators are protected.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides an online filling device of water-soluble temporary plugging agent for turn to fracturing which characterized in that, the online filling device of water-soluble temporary plugging agent for turn to fracturing includes: the inlet of the feeding straight pipe is connected with a first fixed elbow, the other end of the first fixed elbow is connected with a first plug valve, and the first plug valve is connected with one outlet end of the inlet T-shaped tee; the outlet of the feeding straight pipe is connected with a second fixed elbow, the other end of the second fixed elbow is connected with a second plug valve, and the second plug valve is connected with one inlet end of the outlet T-shaped tee; the other outlet end of the inlet T-shaped tee joint is connected with a third plug valve through a first short section, and one end, far away from the first short section, of the third plug valve is connected with the other inlet end of the outlet T-shaped tee joint through a second short section; the inside injection port, mixing chamber, shrink pipe, choke, the diffusion tube that have set gradually the intercommunication between importing to the export of reinforced straight tube, the opening has been seted up on the mixing chamber, the opening passes through wing section union and is connected with fourth plug valve, the other end of fourth plug valve passes through wing section union and is connected bottom the hopper.
2. The turn to online filling device of water-soluble temporary plugging agent for fracturing of claim 1, characterized in that, the import and the export of reinforced straight tube equally divide respectively through wing section union with first fixed elbow with the fixed elbow of second is connected, first plug valve all through by wing section union respectively with first fixed elbow with import T type three-way connection, first nipple joint all through wing section union respectively with import T type three-way with third plug valve is connected, the second nipple joint all through wing section union respectively with third plug valve with export T type three-way connection, the second plug valve all through wing section union respectively with export T type three-way with second fixed elbow connects.
3. The on-line filling device of the water-soluble temporary plugging agent for the steering fracturing as claimed in claim 1, wherein the inlet of the inlet T-shaped tee is provided with a union male joint and a three-jaw nut, and the outlet of the outlet T-shaped tee is provided with a union female joint.
4. The on-line priming device of water-soluble temporary plugging agent for steering fracturing as claimed in claim 1, wherein the diameter of the injection port of said straight feed pipe is gradually reduced from the inlet to the outlet, and the diameter of said diffuser pipe is gradually increased from the inlet to the outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921734403.3U CN210948625U (en) | 2019-10-16 | 2019-10-16 | Online filling device of water-soluble temporary plugging agent for steering fracturing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921734403.3U CN210948625U (en) | 2019-10-16 | 2019-10-16 | Online filling device of water-soluble temporary plugging agent for steering fracturing |
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| CN210948625U true CN210948625U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921734403.3U Active CN210948625U (en) | 2019-10-16 | 2019-10-16 | Online filling device of water-soluble temporary plugging agent for steering fracturing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593841A (en) * | 2019-10-16 | 2019-12-20 | 荆州市现代石油科技发展有限公司 | Online filling device and temporary plugging method of water-soluble temporary plugging agent for steering fracturing |
| CN116006121A (en) * | 2023-03-23 | 2023-04-25 | 西安石油大佳润实业有限公司 | Automatic feeding device for temporary plugging agent of rope knot |
-
2019
- 2019-10-16 CN CN201921734403.3U patent/CN210948625U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593841A (en) * | 2019-10-16 | 2019-12-20 | 荆州市现代石油科技发展有限公司 | Online filling device and temporary plugging method of water-soluble temporary plugging agent for steering fracturing |
| CN116006121A (en) * | 2023-03-23 | 2023-04-25 | 西安石油大佳润实业有限公司 | Automatic feeding device for temporary plugging agent of rope knot |
| CN116006121B (en) * | 2023-03-23 | 2024-04-16 | 西安石油大佳润实业有限公司 | Automatic feeding device for temporary plugging agent of rope knot |
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