CN207004499U - Coiled tubing drags Hydrojet staged fracturing tool - Google Patents
Coiled tubing drags Hydrojet staged fracturing tool Download PDFInfo
- Publication number
- CN207004499U CN207004499U CN201720615204.5U CN201720615204U CN207004499U CN 207004499 U CN207004499 U CN 207004499U CN 201720615204 U CN201720615204 U CN 201720615204U CN 207004499 U CN207004499 U CN 207004499U
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- hydraulic
- coiled tubing
- packer
- hydrojet
- drags
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Abstract
A kind of coiled tubing drags Hydrojet staged fracturing tool, it is connected in one end of hydraulic ejector by hydraulic safety connector and crossover sub with coiled tubing, the other end of hydraulic ejector is provided with the packer being connected with hydraulic anchor, packer one end is provided with the backwash valve being connected with collar locator, one end of backwash valve is provided with the starting taper being connected with screen casing, is arranged at after described coiled tubing, crossover sub, hydraulic safety connector, hydraulic ejector, packer, hydraulic anchor, collar locator, backwash valve, screen casing, starting taper connection in sleeve pipe；The utility model has the advantages that reasonable in design, simple in construction, perforation efficiency is high, can be carried out continuously fracturing work in different pressure break positions or different fractured intervals, can be promoted the use of in oil, gas and water well.
Description
Technical field
The utility model belongs to exploits oil, gas and water from well；The equipment skill of soluble or solubilized material or slurry of mineral
Art field, and in particular to a kind of coiled tubing drags water conservancy injection apparatus staged fracturing tool.
Background technology
Oil formation hydraulic fracturing is that oil reservoir is rived to form one or several crack using the method for waterpower pressure transmission, adds support
Agent, it is not closed, transform the physical arrangement and property of oil reservoir, the passage of one or several Thief zone is formed in oil reservoir, from
And change flow condition of the oil stream in oil reservoir, flow resistance is reduced, increases flow area, is increased production oil well, well obtains
To augmented injection.Low permeability pay can be transformed by pressure break, solve oil field interlayer contradiction, release oil layer blocking etc..
Existing hydraulic perforating fracturing device, it is impossible to worked continuously in different pressure break positions or different fractured intervals,
It can only complete once to take out hydraulic perforating fracturing device afterwards per pressure break, be placed in oil well by hydraulic perforating fracturing device again
Second of perforating and fracturing of row, it is impossible to work continuously, install hydraulic perforating fracturing device repeatedly, extend the engineering time, add
Production cost, increase oil exploitation expense.
The content of the invention
Technical problem to be solved in the utility model is overcome the deficiencies in the prior art, provide it is a kind of it is reasonable in design,
Coiled tubing dragging waterpower spray simple in construction, that fracturing work can be carried out continuously in different pressure break positions or different fractured intervals
Penetrate staged fracturing tool.
Solving the technical scheme that above-mentioned technical problem uses is：One end of hydraulic ejector by hydraulic safety connector and
Crossover sub is connected with coiled tubing, and the other end of hydraulic ejector is provided with the packer being connected with hydraulic anchor, packer
One end is provided with the backwash valve being connected with collar locator, and one end of backwash valve is provided with the starting taper being connected with screen casing, institute
The coiled tubing stated, crossover sub, hydraulic safety connector, hydraulic ejector, packer, hydraulic anchor, collar locator, backwash
It is arranged at after valve, screen casing, starting taper connection in sleeve pipe.
Hydraulic ejector of the present utility model has 1 section.
The length of hydraulic perforating spray apparatus of the present utility model is 600~900mm, the same radial direction on hydraulic perforating spray apparatus
1 nozzle is provided with plane, has been uniformly arranged 3 or 4 nozzles in different sagittal planes, the center line of a nozzle with
The centerline axis of an adjacent nozzle to the distance between be 30~60mm.
The aperture of nozzle of the present utility model is 6~9mm.
Because the utility model employs a set of hydraulic perforating spray gun, continuous perforating and fracturing connection can be carried out under oil well and is made,
One secondary aperture is shot away by oil pipe, oil, casing annulus hydraulic fracturing is then carried out, above carries perforation fracturing pipe column of continuous oil pipe, then enter
Second of perforation of row, pressure break, from underground continuous perforation upwards, continuous perforation, fracturing work are realized, improves efficiency, is shortened
Construction period, reduces oil exploitation expense, and the utility model has that reasonable in design, simple in construction, perforation efficiency is high, Neng Gou
The advantages that different pressure break positions or different fractured intervals are carried out continuously fracturing work, it can be promoted the use of in oil, gas and water well.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model one embodiment.
In figure：1st, sleeve pipe；2nd, coiled tubing；3rd, crossover sub；4th, hydraulic safety connector；5th, hydraulic ejector；6th, insulate
Device；7th, hydraulic anchor；8th, collar locator；9th, backwash valve；10th, screen casing；11st, starting taper；5-1, nozzle.
Embodiment
The utility model is described in further details with reference to the accompanying drawings and examples, but the utility model is not limited to this
A little embodiments.
Embodiment 1
In Fig. 1, when the utility model coiled tubing dragging Hydrojet staged fracturing tool enters underground work, ground
Coiled tubing 2 is connected with one end of hydraulic ejector 5 by crossover sub 3 and hydraulic safety connector 4, the waterpower spray of the present embodiment
Emitter 5 has 1 section, and the length of hydraulic perforating spray apparatus 5 is 750mm, is uniformly provided with by thread connection on hydraulic perforating spray apparatus 5
4 nozzle 5-1,1 nozzle 5-1 is installed in same sagittal plane on hydraulic perforating spray apparatus 5, nozzle 5-1 aperture is
7.5mm, nozzle 5-1 center line and an adjacent nozzle 5-1 centerline axis to the distance between be 45mm.Waterpower is sprayed
The other end of emitter 5 is connected by screw threads for fastening connector with packer 6, and the packer 6 of the present embodiment is sold in the market
Commodity, packer 6 is used to the utility model being fixed on sleeve pipe 1, to carry out perforation, taken after perforating job, pressure break are complete
Go out.The one end of packer 6 is connected by screw threads for fastening connector with hydraulic anchor 7, hydraulic anchor anchoring string, one end of hydraulic anchor 7
It is connected by screw threads for fastening connector with collar locator 8, collar locator 8 positions to pressure break position, box cupling positioning
One end of device 8 is connected by screw threads for fastening connector with backwash valve 9, and backwash valve 9 releases sand plug, and one end of backwash valve 9 passes through
Screen casing 10 is connected with starting taper 11, and screen casing 10 carries out well-flushing, and starting taper 11 play the guiding role when the utility model is gone into the well, in perforation
The rearmost end of device is got lodged in during operation, increases hydraulic perforating nozzle 5-1 pressure, increases the duct of hydraulic piercing.The present embodiment
Coiled tubing 2, crossover sub 3, hydraulic safety connector 4, hydraulic ejector 5, packer 6, hydraulic anchor 7, collar locator 8,
Backwash valve 9, screen casing 10, starting taper 11 are installed in sleeve pipe 1 after connecting.
Embodiment 2
In above-described embodiment 1, the hydraulic ejector 5 of the present embodiment has 1 section, and the length of hydraulic perforating spray apparatus 5 is
600mm, is uniformly provided with 4 nozzle 5-1 on hydraulic perforating spray apparatus 5 by thread connection, same on hydraulic perforating spray apparatus 5
1 nozzle 5-1 is installed, nozzle 5-1 aperture is 6mm, nozzle 5-1 center line and adjacent one spray in sagittal plane
Mouth 5-1 centerline axis to the distance between be 30mm.The connecting relation of other parts and parts and the phase of embodiment 1
Together.
Embodiment 2
In above-described embodiment 1, the hydraulic ejector 5 of the present embodiment has 1 section, and the length of hydraulic perforating spray apparatus 5 is
900mm, is uniformly provided with 4 nozzle 5-1 on hydraulic perforating spray apparatus 5 by thread connection, same on hydraulic perforating spray apparatus 5
1 nozzle 5-1 is installed, nozzle 5-1 aperture is 9mm, nozzle 5-1 center line and adjacent one spray in sagittal plane
Mouth 5-1 centerline axis to the distance between be 60mm.The connecting relation of other parts and parts and the phase of embodiment 1
Together.
Embodiment 4
In above-described embodiment 1~3,3 are uniformly provided with by thread connection on the hydraulic perforating spray apparatus 5 of the present embodiment
Nozzle 5-1.The connecting relation of other parts and parts is same as Example 1.
Operation principle of the present utility model is as follows：
Coiled tubing 2 and crossover sub 3, hydraulic safety connector 4, hydraulic ejector 5, packer 6, hydraulic anchor 7, box cupling are fixed
Position device 8, backwash valve 9, screen casing 10, starting taper 11 are linked to be fracturing string, and fracturing string is transported into pit shaft most bottom by coiled tubing 2
The oil reservoir position in portion, determine to be accurately positioned using collar locator 8, school it is deep, ground pump truck is by the high-pressure hydraulic pump containing quartz sand
Coiled tubing 2 is accessed, is projected from the nozzle 5-1 of hydraulic ejector 5, the rubber expansion of packer 6 is setting, while high-pressure water jet
Puncturing sleeve pipe 1, cement sheath, 3 or 4 ducts are passed on stratum, the duct penetrated is corresponding with nozzle 5-1 number, after perforation,
The annular space of sleeve pipe 1 carries out hydraulic fracturing, completes the hydraulic perforating and fracturing operation process of the interval.Complete bottommost first paragraph oil reservoir
After pressure break, ground termination of pumping release, the rubber of packer 6 shrinks, and above carries fracturing string, then carries out second of perforation, pressure break, from underground
Upward continuous perforation, realizes continuous perforation, fracturing work.
Claims (4)
1. a kind of coiled tubing drags Hydrojet staged fracturing tool, it is characterised in that：Pass through in one end of hydraulic ejector
Hydraulic safety connector and crossover sub are connected with coiled tubing, and the other end of hydraulic ejector is provided with what is be connected with hydraulic anchor
Packer, packer one end are provided with the backwash valve being connected with collar locator, and one end of backwash valve is provided with and screen casing phase
The starting taper of connection, described coiled tubing, crossover sub, hydraulic safety connector, hydraulic ejector, packer, hydraulic anchor, box cupling
It is arranged at after locator, backwash valve, screen casing, starting taper connection in sleeve pipe.
2. coiled tubing according to claim 1 drags Hydrojet staged fracturing tool, it is characterised in that：Described water
Power injector has 1 section.
3. coiled tubing according to claim 2 drags Hydrojet staged fracturing tool, it is characterised in that：Described water
The length of power perforation spray apparatus is 600~900mm, is provided with 1 nozzle in same sagittal plane on hydraulic perforating spray apparatus, no
3 or 4 nozzles, the centerline axis of the center line of a nozzle and an adjacent nozzle have been uniformly arranged in same sagittal plane
To the distance between be 30~60mm.
4. coiled tubing according to claim 3 drags Hydrojet staged fracturing tool, it is characterised in that：Described spray
The aperture of mouth is 6~9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720615204.5U CN207004499U (en) | 2017-05-28 | 2017-05-28 | Coiled tubing drags Hydrojet staged fracturing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720615204.5U CN207004499U (en) | 2017-05-28 | 2017-05-28 | Coiled tubing drags Hydrojet staged fracturing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207004499U true CN207004499U (en) | 2018-02-13 |
Family
ID=61445588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720615204.5U Expired - Fee Related CN207004499U (en) | 2017-05-28 | 2017-05-28 | Coiled tubing drags Hydrojet staged fracturing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207004499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644954A (en) * | 2019-09-03 | 2020-01-03 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | One-trip drilling operation pipe column for casing patching well and operation method |
-
2017
- 2017-05-28 CN CN201720615204.5U patent/CN207004499U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644954A (en) * | 2019-09-03 | 2020-01-03 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | One-trip drilling operation pipe column for casing patching well and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20190528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |