CN203702080U - Multiple-joint staged fracturing temporary plugging agent ground input device in horizontal well section - Google Patents
Multiple-joint staged fracturing temporary plugging agent ground input device in horizontal well section Download PDFInfo
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- CN203702080U CN203702080U CN201420089129.XU CN201420089129U CN203702080U CN 203702080 U CN203702080 U CN 203702080U CN 201420089129 U CN201420089129 U CN 201420089129U CN 203702080 U CN203702080 U CN 203702080U
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- Prior art keywords
- switch valve
- diverting agent
- plugging agent
- arm
- temporary plugging
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- 239000012530 fluid Substances 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model relates to the technical field of multiple-joint staged fracturing in a horizontal well section, in particular to a multiple-joint staged fracturing temporary plugging agent ground input device in a horizontal well section. The multiple-joint staged fracturing temporary plugging agent ground input device in the horizontal well section comprises a barrel body, wherein one end of the barrel body is provided with an inlet for being communicated with a high-pressure pipe manifold outlet, the other end of the barrel body is provided with an outlet communicated with a fracturing liquid ground flowing high-pressure pipeline, a first switch valve is arranged on the barrel body, a branch pipe is further arranged on the barrel body, and two ports of the branch pipe are communicated with the barrel body and located on two sides of the first switch valve. The branch pipe is provided with a second switch valve and a third switch valve, a temporary plugging agent input pipe is arranged on the branch pipe, an outlet of the temporary plugging agent input pipe is communicated with the branch pipe and located between the second switch valve and the third switch valve, and a fourth switch valve is arranged on the temporary plugging agent input pipe. By adopting the multiple-joint staged fracturing temporary plugging agent ground input device, a temporary plugging agent can be input into the well without pump shutdown, an input process is simplified, and the temporary plugging agent waste is avoided.
Description
Technical field
The utility model relates to many seam staged fracturing technical fields in net horizontal section, particularly many seams staged fracturing diverting agent ground feeding device in net horizontal section.
Background technology
Unconventional oil-gas reservoir has become the emphasis of domestic and international exploration and development, in order to improve well yield, oil-gas field development benefit, reduce the pressing crack construction activity duration, reduce reservoir damage, horizontal well and commingling production have become the Main Means of this type of oil-gas reservoir of exploitation, staged fracturing of horizontal well is relatively ripe technological means in current horizontal well volume increase renovation technique, and in well, drop into many seam staged fracturings in the diverting agent section of carrying out in adopting downhole packer to carry out multistage pressure break, not only can save the quantity that is lowered to of downhole packer, and can farthest carry out volume fracturing to reservoir, this technology has all obtained obvious economic benefit in oilfield prospecting developing.
In section, many seam staged fracturings are opened the pressure break of carrying out the Article 1 seam in this section after the sliding sleeve of corresponding fracturing section nozzle by dropping into the ball of corresponding size, the diverting agent shutoff Article 1 crack that in this section, the construction of Article 1 seam finishes rear input some, then carry out the pressure break of the Article 2 seam in this section, the rest may be inferred, realize pressure-break turning in this section by drop into diverting agent in section, press off many cracks thereby reach in one section, reduce into the quantity of well packer and the object of expansion transformation volume simultaneously.
In existing section, to deliver modes with two kinds of main ground of diverting agent be respectively that fracturing blender truck adds with high pressure pipe joint exit and pumps into many seam staged fracturings, but these two kinds of modes all exist certain shortcoming.Fracturing blender truck adds the shortcoming of mode to be: diverting agent stops up surface line; Diverting agent sticks on ball-and-seat and can cause high-low pressure to be ganged up, thereby causes pump truck fault.High pressure pipe joint exit pumps into the shortcoming that mode exists: because fracturing fluid and diverting agent share a ground high pressure line, in the time adding diverting agent, need first termination of pumping pressure release to stop pumping into fracturing fluid and then pump into diverting agent, diverting agent adds complex steps, diverting agent adds total amount restricted, and walk pressure testing pipeline and can cause diverting agent waste, thereby cause realizing the object of effective segmentation.
Summary of the invention
The purpose of this utility model is to provide many seams staged fracturing diverting agent ground feeding device in a kind of net horizontal section, can in well, pump into diverting agent to realize not termination of pumping.
To achieve these goals, the utility model adopts following technical scheme: many seams staged fracturing diverting agent ground feeding device in net horizontal section, comprise cylindrical shell, one end of cylindrical shell has for exporting with high pressure pipe joint the import being communicated with, the other end of cylindrical shell has the outlet for being communicated with fracturing fluid surface flow dynamic high-pressure pipeline, cylindrical shell is provided with the first switch valve, on cylindrical shell, be also provided with arm, the two-port of arm is communicated with and is positioned at the both sides of the first switch valve with cylindrical shell, arm is provided with second switch valve and the 3rd switch valve, arm is provided with diverting agent input pipe, the outlet of diverting agent input pipe is communicated with arm and between second switch valve and the 3rd switch valve, diverting agent input pipe is provided with the 4th switch valve.
Described arm is inverted v-shaped and distributes.
Diverting agent input pipe is positioned at the top of arm, downward-extension on diverting agent input pipe.
The top of described diverting agent input pipe is provided with funnel.
The beneficial effects of the utility model: apparatus structure of the present utility model is simple, easily install, can realize not termination of pumping and can in well, deliver diverting agent, simplify delivery flow process, save delivery time, avoided the waste of diverting agent, the diverting agent having caused while simultaneously having avoided fracturing blender truck to throw diverting agent stops up surface line, sticks to the generation that ball-and-seat causes the complex accident such as high-low pressure is ganged up, pump truck fault.The concrete use procedure of this device is: first second switch valve and the 3rd switch valve are closed, the 4th switch valve is opened, input diverting agent by diverting agent input pipe in arm; When pressing crack construction, close second switch valve, the 3rd switch valve and the 4th switch valve, open the first switch valve, by cylindrical shell to fracturing fluid surface flow dynamic high-pressure pipeline fracturing fluid; After pressure break completes, when delivering diverting agent in well, reduce of the fracturing fluid discharge capacity, close the first switch valve and the 4th switch valve, open second switch valve and the 3rd switch valve, the diverting agent in the of the fracturing fluid driving lower branch line of low discharge capacity enters in well.
Further, arm is inverted v-shaped and distributes, and the capacity of the arm of this structure is larger.
Further, downward-extension on diverting agent input pipe, diverting agent can enter in arm under the effect of gravity, and without additional activation force.
Further, be convenient to add diverting agent in ascending pipe by funnel.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment 1 of many seams staged fracturing diverting agent ground feeding device in net horizontal section of the present utility model.
Detailed description of the invention
The embodiment 1 of many seams staged fracturing diverting agent ground feeding device in net horizontal section of the present utility model, as shown in Figure 1: in this net horizontal section, many seams staged fracturing diverting agent ground feeding device comprises cylindrical shell 1, arm 2 and diverting agent input pipe 3.
One end of cylindrical shell 1 has for exporting with high pressure pipe joint the import 11 being communicated with, and the other end of cylindrical shell 1 has the outlet 12 for being communicated with fracturing fluid surface flow dynamic high-pressure pipeline, and cylindrical shell 1 is provided with the first switch valve 13.The import of cylindrical shell 1 is provided with union, and this union is import union 14, and import union 14 is to export with high pressure pipe joint the standard component matching.The outlet 12 of cylindrical shell 1 is provided with union, and this union is outlet union 15, and outlet union 15 is the standard components that match with ground fracturing liquid high-pressure flow pipeline.In the present embodiment, cylindrical shell 1 is that extend standard body of casting hollow cylinder and left and right.
Arm 2 is located on cylindrical shell 1, and the two-port of arm 2 and cylindrical shell 1 are communicated with and are positioned at the both sides of the first switch valve 13, and arm 2 is provided with second switch valve 21 and the 3rd switch valve 22.In the present embodiment, arm 2 is inverted v-shaped and distributes, and in other embodiments, arm can also be inverted U-shaped distribution or arc distributes.
Diverting agent input pipe 3 is located on arm, and the outlet of diverting agent input pipe 3 is communicated with arm 2 and between second switch valve 21 and the 3rd switch valve 22, diverting agent input pipe 3 is provided with the 4th switch valve 31.In the present embodiment, diverting agent input pipe 3 is positioned at the top of arm 2, downward-extension on diverting agent input pipe 3.In other embodiments, diverting agent input pipe can also be horizontally disposed with, and is connected with for driving diverting agent to flow into the drive unit in arm on diverting agent input pipe.In the present embodiment, the top of diverting agent input pipe 3 is provided with funnel 4, can be so that input diverting agent in diverting agent input pipe 3 by funnel 4.In other embodiments, can also save funnel.
In the present embodiment, the first switch valve, second switch valve, the 3rd switch valve and the 4th switch valve are ball valve.
Specific works process of the present utility model:
Before pressing crack construction, the import of cylindrical shell 1 11 is connected with high pressure pipe joint outlet by import union 14, by outlet union 15, cylindrical shell 1 port of export is connected with fracturing fluid surface flow dynamic high-pressure pipeline.
When adding diverting agent in arm 2, first the second switch valve 21 on arm 2 and the 3rd switch valve 22 are closed, the 4th switch valve 31 is opened, in funnel 4, add diverting agent, diverting agent flows in arm 2 by diverting agent input pipe 3; When pressing crack construction, close second switch valve 21, the 3rd switch valve 22 and the 4th switch valve 31, open the first switch valve 13, the import 11 of high pressure pipe joint by cylindrical shell 1 is to the 5th switch valve fracturing fluid in cylindrical shell 1, and fracturing fluid flows to fracturing fluid surface flow dynamic high-pressure pipeline from the outlet 12 of cylindrical shell 1; After pressure break completes, when delivering diverting agent in well, reduce the fracturing fluid discharge capacity in high pressure pipe joint, close the first switch valve 13 and the 4th switch valve 31, open second switch valve 21 and the 3rd switch valve 22, the diverting agent in the of the fracturing fluid driving lower branch line 2 of low discharge capacity enters in well.
Apparatus structure of the present utility model is simple, easily install, can realize not termination of pumping and can in well, deliver diverting agent, simplify delivery flow process, save delivery time, avoided the waste of diverting agent, the diverting agent having caused while also having avoided fracturing blender truck to throw diverting agent stops up surface line, sticks to the generation that ball-and-seat causes the complex accident such as high-low pressure is ganged up, pump truck fault.
Claims (4)
1. many seams staged fracturing diverting agent ground feeding device in net horizontal section, it is characterized in that: comprise cylindrical shell, one end of cylindrical shell has for exporting with high pressure pipe joint the import being communicated with, the other end of cylindrical shell has the outlet for being communicated with fracturing fluid surface flow dynamic high-pressure pipeline, cylindrical shell is provided with the first switch valve, on cylindrical shell, be also provided with arm, the two-port of arm is communicated with and is positioned at the both sides of the first switch valve with cylindrical shell, arm is provided with second switch valve and the 3rd switch valve, arm is provided with diverting agent input pipe, the outlet of diverting agent input pipe is communicated with arm and between second switch valve and the 3rd switch valve, diverting agent input pipe is provided with the 4th switch valve.
2. many seams staged fracturing diverting agent ground feeding device in net horizontal section according to claim 1, is characterized in that: described arm is inverted v-shaped and distributes.
3. many seams staged fracturing diverting agent ground feeding device in net horizontal section according to claim 1 and 2, is characterized in that: diverting agent input pipe is positioned at the top of arm downward-extension on diverting agent input pipe.
4. many seams staged fracturing diverting agent ground feeding device in net horizontal section according to claim 3, is characterized in that: the top of described diverting agent input pipe is provided with funnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089129.XU CN203702080U (en) | 2014-02-28 | 2014-02-28 | Multiple-joint staged fracturing temporary plugging agent ground input device in horizontal well section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089129.XU CN203702080U (en) | 2014-02-28 | 2014-02-28 | Multiple-joint staged fracturing temporary plugging agent ground input device in horizontal well section |
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| Publication Number | Publication Date |
|---|---|
| CN203702080U true CN203702080U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420089129.XU Expired - Lifetime CN203702080U (en) | 2014-02-28 | 2014-02-28 | Multiple-joint staged fracturing temporary plugging agent ground input device in horizontal well section |
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| CN (1) | CN203702080U (en) |
Cited By (4)
| 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 |
| CN112878976A (en) * | 2021-03-02 | 2021-06-01 | 四川申和新材料科技有限公司 | Remote control temporary plugging material injection system and application method |
| 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 |
| CN116201504A (en) * | 2021-11-30 | 2023-06-02 | 中国石油天然气股份有限公司 | Particle temporary plugging agent delivery device and method |
-
2014
- 2014-02-28 CN CN201420089129.XU patent/CN203702080U/en not_active Expired - Lifetime
Cited By (5)
| 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 |
| CN112878976A (en) * | 2021-03-02 | 2021-06-01 | 四川申和新材料科技有限公司 | Remote control temporary plugging material injection system and application method |
| CN116201504A (en) * | 2021-11-30 | 2023-06-02 | 中国石油天然气股份有限公司 | Particle temporary plugging agent delivery device and method |
| 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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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |