CN203594433U - Ground ball catching device for staged fracturing - Google Patents
Ground ball catching device for staged fracturing Download PDFInfo
- Publication number
- CN203594433U CN203594433U CN201320757453.XU CN201320757453U CN203594433U CN 203594433 U CN203594433 U CN 203594433U CN 201320757453 U CN201320757453 U CN 201320757453U CN 203594433 U CN203594433 U CN 203594433U
- Authority
- CN
- China
- Prior art keywords
- flange
- union
- staged fracturing
- ground
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 abstract description 14
- 229920005989 resin Polymers 0.000 abstract description 14
- 239000012530 fluid Substances 0.000 abstract description 11
- 230000000903 blocking effect Effects 0.000 abstract 2
- 241000191291 Abies alba Species 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model relates to a ground ball catching device for staged fracturing. The ground ball catching device for staged fracturing is formed by a stud tee joint, a flange straight tube connected with the stud tee joint, a flat valve, a union flange and a ball receiving tube arranged in the union flange. One joint body of the stud tee joint is connected with the flange straight tube. The other end of the flange straight tube is communicated with a ground oil extraction trial flow pipeline. A blocking tube is arranged in the port, connected with the flange straight tube, of the stud tee joint. Another joint body of the stud tee joint is communicated with a production valve of a Christmas tree through a flange. The port of the other joint body of the stud tee joint is connected with the flat valve. The lower port of the flat valve is communicated with the union flange and a union choke plug in sequence. A pressure release valve is arranged at the union choke plug. The ball receiving tube is fixed inside the joint between the union flange and the flat valve. The ground ball catching device for staged fracturing solves the problems that resin balls are caught and returned out when fluid in a well flows back after the staged fracturing of the oil-gas well, prevents the returned resin balls from causing blocking and building the pressure and ensures operation safety; meanwhile, continuous flowback of the fluid in the well is achieved, the operation time efficiency is improved, and the operation cost is reduced.
Description
Technical field
Of the present utility modelly relate to a kind of Oil/gas Well and implementing after staged fracturing, ball device is caught on the staged fracturing ground of installing and using when the row of returning borehole fluid.
Background technology
Oil/gas Well is implementing in the process of staged fracturing, need to be to the resin balls that drops into multiple different specification sizes in tubing string, completed the interval of pressure break for opening the sliding sleeve of different fractured intervals and shutoff.After staged fracturing finishes, when the row of returning borehole fluid, the resin balls dropping into is under the rolling action of borehole fluid, from tubing string, return out well head and ground, need to be on well head or ground in the face of the resin balls returned out catches, in order to avoid certain position that the resin balls of returning out flow in formation testing ground flow occurs to stop up the pressure of spraining, cause security incident.
Summary of the invention
The purpose of this utility model be to propose a kind of simple in structure, fitting operation convenient, be applicable to the staged fracturing ground that Oil/gas Well installs and uses implementing after staged fracturing, when the row of returning borehole fluid catches ball device.
The purpose of this utility model is achieved in that it is by the threeway of double-screw bolt formula that ball device is caught on staged fracturing ground, the flange straight tube being connected with the threeway of double-screw bolt formula, flap type, union flange, be installed in the cylinder composition of receiving in union flange, the threeway of double-screw bolt formula wherein one logical is connected with flange straight tube, flange straight tube another end is communicated with ground examination oil production process pipeline, in this port of double-screw bolt formula threeway, be provided with and stop cylinder, another of double-screw bolt formula threeway leads to and is communicated with by flange with the production valve of production tree, another logical port connects flap type, flap type lower port place is communicated with union flange successively, union plug, at union plug place installing relief valve.Inside at union flange and flap type connecting place is fixed with the cylinder of receiving.
Owing to carrying out technique scheme, the utility model has solved Oil/gas Well and after staged fracturing, when the row of returning borehole fluid, has caught the problem of returning out resin balls, preventing that the resin balls of returning out from causing stops up the pressure of spraining, guarantee job safety, realized the borehole fluid row's of returning operation continuously simultaneously, improve operation timeliness, reduced operating cost.
Accompanying drawing explanation: the technical solution of the utility model is provided by following drawings and Examples:
Fig. 1 is that ball device structural representation is caught on staged fracturing ground.
Legend: 1, double-screw bolt formula threeway, 2, stop cylinder, 3, flange straight tube, 4, relief valve, 5, union plug, 6, the cylinder of receiving, 7, union flange, 8, flap type.
The specific embodiment:
The utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Embodiment: as shown in Figure 1, it is by double-screw bolt formula threeway 1 that ball device is caught on staged fracturing ground, the flange straight tube 3, flap type 8, the union flange 7 that are connected with double-screw bolt formula threeway 1, be installed in cylinder 6 compositions of receiving in union flange 7.Double-screw bolt formula threeway 1 wherein one logical is connected with flange straight tube 3, flange straight tube 3 another ends are communicated with ground examination oil production process pipeline, in double-screw bolt formula threeway 1 this port, be provided with and stop cylinder 2, stop that cylinder 2 is for the uncovered cavity body in one end, on the end face of its non-opening end, offer a centre bore, and take centre bore all the other eight circular holes symmetrical as the center of circle.Another of double-screw bolt formula threeway 1 leads to and is communicated with by flange with the production valve of production tree, and another logical port connects flap type 8, and flap type 8 lower port places are communicated with union flange 7, union plug 5 successively, at union plug 5 places' installing relief valves 4.Be fixed with the cylinder 6 of receiving in the inside of union flange 7 and flap type 8 connecting places, the cylinder 6 of receiving is the cavity cylinder of an open at both ends, and its one end inner via hole is processed with large gradient chamfering, so that resin balls enters; Other end outer wall place arranges boss, and this boss is corresponding with the draw-in groove of union flange 7 ports, is processed with an aperture at described boss center, interiorly communicates with cylinder 6 internal cavities of receiving, and outer comes round with union plug 5, and a 6 interior waste gas that make to receive can be discharged by relief valve 4 places; The cylinder of receiving offers the long groove of symmetrical twice on 6 sidewalls.
In the time catching ball, carry the borehole fluid process of resin balls, enter into double-screw bolt formula threeway 1, resin balls is passed through because stopping the different periods of cylinder 2 effect, enters into through flap type 8 cylinder 6 of receiving; Borehole fluid enters into flange straight tube 3 and ground examination oil production process pipeline by stopping cylinder 2.
In the time checking whether resin balls is returned out, close flap type 8, open relief valve 4, after pressure has been let out, take union plug 5 apart, extract the cylinder 6 of receiving out.In the time that needs continue to catch resin balls, the cylinder 6 of receiving continues to be encased in flap type 8 and union flange 7 through holes, tightens union plug 5, closes relief valve 4, opens flap type 8.Repeat above-mentioned steps, can complete the seizure of resin balls on ground, in the process of operation, do not need to close well head simultaneously, realize the row of returning continuously of borehole fluid.
Above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs inessential technical characterictic, meets the needs of different situations.
Claims (3)
1. ball device is caught on a staged fracturing ground, it is characterized in that: it is by the threeway of double-screw bolt formula, the flange straight tube being connected with the threeway of double-screw bolt formula, flap type, union flange, be installed in the cylinder composition of receiving in union flange, the threeway of double-screw bolt formula wherein one logical is connected with flange straight tube, flange straight tube another end is communicated with ground examination oil production process pipeline, in this port of double-screw bolt formula threeway, be provided with and stop cylinder, another of double-screw bolt formula threeway leads to and is communicated with by flange with the production valve of production tree, another logical port connects flap type, flap type lower port place is communicated with union flange successively, union plug, at union plug place installing relief valve, inside at union flange and flap type connecting place is fixed with the cylinder of receiving.
2. a ball device is caught on staged fracturing as claimed in claim 1 ground, it is characterized in that: stop that cylinder, for the uncovered cavity body in one end, offers a centre bore on the end face of its non-opening end, and take centre bore all the other eight circular holes symmetrical as the center of circle.
3. ball device is caught on a staged fracturing as claimed in claim 1 ground, it is characterized in that: the cylinder of receiving is the cavity cylinder of an open at both ends, its one end inner via hole is processed with large gradient chamfering, other end outer wall place arranges boss, this boss is corresponding with the draw-in groove at union flange port place, is processed with an aperture at described boss center, interiorly communicates with an internal cavity of receiving, outer and union plug is come round, and offers the long groove of symmetrical twice on a sidewall of receiving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320757453.XU CN203594433U (en) | 2013-11-27 | 2013-11-27 | Ground ball catching device for staged fracturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320757453.XU CN203594433U (en) | 2013-11-27 | 2013-11-27 | Ground ball catching device for staged fracturing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594433U true CN203594433U (en) | 2014-05-14 |
Family
ID=50675328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320757453.XU Expired - Fee Related CN203594433U (en) | 2013-11-27 | 2013-11-27 | Ground ball catching device for staged fracturing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203594433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284848A (en) * | 2019-06-06 | 2019-09-27 | 铜仁职业技术学院 | A kind of shale gas staged fracturing catches ball device with well head and catches ball method |
-
2013
- 2013-11-27 CN CN201320757453.XU patent/CN203594433U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110284848A (en) * | 2019-06-06 | 2019-09-27 | 铜仁职业技术学院 | A kind of shale gas staged fracturing catches ball device with well head and catches ball method |
| CN110284848B (en) * | 2019-06-06 | 2021-07-20 | 铜仁职业技术学院 | Wellhead ball catcher for shale gas staged fracturing and ball catching method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 |