CN207177787U - Injecting type cutting cartridge - Google Patents
Injecting type cutting cartridge Download PDFInfo
- Publication number
- CN207177787U CN207177787U CN201720933177.6U CN201720933177U CN207177787U CN 207177787 U CN207177787 U CN 207177787U CN 201720933177 U CN201720933177 U CN 201720933177U CN 207177787 U CN207177787 U CN 207177787U
- Authority
- CN
- China
- Prior art keywords
- shot blasting
- housing
- energetic material
- type cutting
- injecting type
- 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.)
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- 238000005520 cutting process Methods 0.000 title claims abstract description 25
- 238000005422 blasting Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 230000008878 coupling Effects 0.000 claims abstract description 13
- 238000010168 coupling process Methods 0.000 claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 239000000565 sealant Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000005553 drilling Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000007790 scraping Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 241000220324 Pyrus Species 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 235000021017 pears Nutrition 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
A kind of injecting type cutting cartridge, including seal head, fluid sealant, energy-storing pad, housing, shot blasting, energetic material, primacord, coupling head；The annular surface in portion sets shot blasting in the housing, and the energetic material suppressed is set in housing, primacord is contained among energetic material, energetic material both ends respectively set a piece of energy-storing pad, wherein one end installation seal head, with the cementing sealing of fluid sealant；The other end installs coupling head, with the cementing sealing of fluid sealant.Another termination cap well of coupling head, primacord connect electric cap in cap well.The injecting type cutting cartridge is simple in construction, and adaptive faculty is strong.
Description
Technical field
A kind of injecting type cutting cartridge is the utility model is related to, more particularly to a kind of injecting type for being used to cut coiled tubing
Cutting cartridge, category Oil/gas Well cut clothing arts with coiled tubing.
Background technology
As petroleum industry exploits, the continuous progress of completion, oil recovery technique, continuous oil pipe operation has operation simple due to it
It is single, operating personnel is few, expense is low, resettlement is fast, occupation of land is small, it is environmentally friendly, remove the short time, reduction stopping production, can Operating Pressure, to stratum
Injure the advantages that small, obtain, apply in production more and more.New in production process, old hole condition is different, the difference of operating type
, coiled tubing does not meet card, sand plug accident happens occasionally, when other method unfreezings, it is stifled invalid when, can only use and meet card or sand plug
Cut to solve position.Conventional coiled tubing external diameter 31.75mm, internal diameter are used between 25.39mm and 26.93mm
Cutting cartridge external diameter is no more than 20mm.Due to being limited by physical dimension, cumulative blasting technology can not be applied.In addition, such as
CN105134115A, cut using slip-type machinery cutting knife, comprised the following steps in operating process：1) in well head, successively
Coiled tubing, oil pipe connector, motor head assembly, school depth joint, scraper, screw drill, pears type junk mill are connected, forms scraping school
Deep instrument；2) the pears type junk mill of scraping school depth instrument is put into well down；3) cementing truck, which is suppressed, scrapes screw drill rotation drive
Device and the rotation of pears type junk mill are cut, as scraping school depth instrument enters well, under the push of coiled tubing, scraping school depth instrument is to the borehole wall
Descaling rinsing is carried out, while school depth joint determines the position of oil pipe hoop in every one oil pipe hoop of mistake；4) when scraping school is deep
To termination of pumping behind shaft bottom under instrument, coiled tubing is above carried, the hoop position of cut place oil pipe is wanted according to suspending weight change accurate recording, and
Scraping school depth instrument is proposed in well；5) after unloading pears type junk mill, screw drill, scraper, school depth joint, in motor head assembly
Lower end be sequentially connected fluid power anchor, elastic centralizer, fluid power compensator, screw drill, slip-type machinery cutter, elastic force rotation
Centralizer, form cutting knife tool；6) the elastic force rotary centralizer of cutting knife tool is put into well down；7) elastic force rotary centralizer
It is more than the weight of screw drill and slip-type machinery cutter with the upward frictional force of tube inner wall, fluid power compensator is in compression shape
State, instantly to wanting with water is suppressed in cementing truck rail during cutting position, hydrodynamic force lead-screw, which bores to rotate, simultaneously drives slip-type
Mechanical cutter rotation, screw drill upper pressure is big, low pressure is small, and fluid power compensator is in extended configuration, fluid power by pressure differential
The bottom of compensator pushes down on cutter, and cutter opens cutter slips, cutter is set on tubing wall in downstream, continues to beat
Pressure, until oil pipe is cut.It can be seen that this method equipment is more, complex operation, and adaptability narrow range.
The content of the invention
The utility model provides a kind of injecting type cutting cartridge to cut coiled tubing, and the injecting type cutting cartridge uses the material containing energy
Material does power source, and Explosive Energy is replaced as into kinetic energy by diameter 2.5mm steel sand, after the steel sand of annular array has kinetic energy,
Tube wall is shot through on coiled tubing pre-cut face, the annular hole face of irregular alignment is formed, makes the anti-tensile of coiled tubing here
Power is greatly lowered, and now in the presence of well head pretension, coiled tubing is broken here, completes cutting, solves card, stifled thing
Therefore.
Injecting type cutting cartridge of the present utility model, including seal head, fluid sealant, energy-storing pad, housing, shot blasting, containing energy
Material, primacord, coupling head；The annular surface in portion sets shot blasting in the housing, and the material containing energy suppressed is set in housing
Expect, primacord is contained among energetic material, and energetic material both ends respectively set a piece of energy-storing pad, wherein one end installation seal head, used
The cementing sealing of fluid sealant；The other end installs coupling head, with the cementing sealing of fluid sealant.Another termination cap well of coupling head, leads quick-fried
Rope connects electric cap in cap well.
The shot blasting that the housing central section is set is distributed on wide 25mm annular surface, and the shot blasting is by certain
Put in order installation 105.
The shot blasting is arranged on housing by way of drilling.
The a diameter of 2.5mm of shot blasting.
The energetic material is pressed into the cylinder with certain density gradient and certain geometrical shape with mould.
Electric cap, which is powered, ignites primacord, starts detonation of burning and turn at minor diameter in the middle part of energetic material, produces a large amount of high
Temperature, gases at high pressure.Pressure in housing is gradually risen, and when reaching certain pressure, shot blasting is acted on from shell by gas pressure
Ejected in body.The shot blasting of high-speed flight hits and is shot through coiled tubing tube wall, is formed on coiled tubing tube wall and not advised
The annular hole face then arranged, is greatly lowered the tension stress of coiled tubing here, now in the effect of well head pretension
Under, coiled tubing is broken here, completes cutting, solves card, stifled accident.
Injecting type cutting cartridge of the present utility model can it is small to coiled tubing diameter, limited and can not be answered by physical dimension
Cut with the coiled tubing in the case of cumulative blasting, and the anti-tensile at the annulus area of the pre- section of coiled tubing can be reduced
Power is cut to realize, unfreezing.Apparatus structure is simple, and adaptive faculty is strong.
Brief description of the drawings
Fig. 1 is the utility model injecting type cutting cartridge structural representation.
Wherein, 1- seal heads；2- fluid sealants；3- energy-storing pads；4- housings；5- shot blastings；6- energetic materials；7- leads quick-fried
Rope；8- coupling heads
Embodiment
As shown in figure 1, a kind of injecting type cutting cartridge, including seal head 1, fluid sealant 2, energy-storing pad 3, housing 4, shot blasting
5th, energetic material 6, primacord 7, coupling head 8；The annular surface in portion sets shot blasting 5 within the case 1, and pressure is set in housing 4
Primacord 7 is contained in the energetic material 6 made, the centre of energetic material 6, and the both ends of energetic material 6 respectively set a piece of energy-storing pad 3, wherein
Seal head 1 is installed in one end, with 2 cementing sealing of fluid sealant；The other end installs coupling head 8, with 2 cementing sealing of fluid sealant.Coupling head 8
Another termination cap well, primacord 7 cap well connect electric cap.
The shot blasting 5 that the middle part of housing 4 is set is distributed on wide 25mm annular surface, and the shot blasting 5 is pressed
Certain installation 105 that puts in order.
The shot blasting 5 is arranged on by way of drilling on housing 4.
5 a diameter of 2.5mm of shot blasting.
The energetic material 6 is pressed into the cylinder with certain density gradient and certain geometrical shape with mould.
Electric cap, which is powered, ignites primacord, starts detonation of burning and turn at minor diameter in the middle part of energetic material, produces a large amount of high
Temperature, gases at high pressure.Pressure in housing is gradually risen, and when reaching certain pressure, shot blasting is acted on from shell by gas pressure
Ejected in body.The shot blasting of high-speed flight hits and is shot through coiled tubing tube wall, is formed on coiled tubing tube wall and not advised
The annular hole face then arranged, is greatly lowered the tension stress of coiled tubing here, now in the effect of well head pretension
Under, coiled tubing is broken here, completes cutting, solves card, stifled accident.
Claims (5)
1. a kind of injecting type cutting cartridge, including seal head (1), fluid sealant (2), energy-storing pad (3), housing (4), shot blasting (5),
Energetic material (6), primacord (7), coupling head (8)；Annular surface in the middle part of housing (4) sets shot blasting (5), housing
(4) energetic material (6) suppressed is set in, contains primacord (7) among energetic material (6), energetic material (6) both ends are respectively set
A piece of energy-storing pad (3), wherein one end installation seal head (1) are put, with fluid sealant (2) cementing sealing；The other end installs coupling head
(8), with fluid sealant (2) cementing sealing；Another termination cap well of coupling head (8), primacord (7) connect electric thunder in cap well
Pipe.
2. injecting type cutting cartridge as claimed in claim 1, it is characterised in that：The shot blasting set in the middle part of the housing (4)
(5) it is distributed on wide 25mm annular surface, the shot blasting (5) is by certain installation 105 that puts in order.
3. injecting type cutting cartridge as claimed in claim 2, it is characterised in that：The shot blasting (5) is by way of drilling
It is arranged on housing (4).
4. injecting type cutting cartridge as claimed in claim 3, it is characterised in that：The a diameter of 2.5mm of the shot blasting (5).
5. injecting type cutting cartridge as claimed in claim 1, it is characterised in that：The energetic material (6) is pressed into tool with mould
There is the cylinder of certain density gradient and certain geometrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720933177.6U CN207177787U (en) | 2017-07-29 | 2017-07-29 | Injecting type cutting cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720933177.6U CN207177787U (en) | 2017-07-29 | 2017-07-29 | Injecting type cutting cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207177787U true CN207177787U (en) | 2018-04-03 |
Family
ID=61743876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720933177.6U Active CN207177787U (en) | 2017-07-29 | 2017-07-29 | Injecting type cutting cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207177787U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137199A (en) * | 2020-07-30 | 2021-07-20 | 中国石油化工集团有限公司 | Small-diameter drill rod cutting bullet for detonating at two ends of ultra-deep and ultra-high temperature well |
| CN114000846A (en) * | 2021-11-01 | 2022-02-01 | 四川宏华石油设备有限公司 | Wellhead cutting device and cutting method thereof |
-
2017
- 2017-07-29 CN CN201720933177.6U patent/CN207177787U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137199A (en) * | 2020-07-30 | 2021-07-20 | 中国石油化工集团有限公司 | Small-diameter drill rod cutting bullet for detonating at two ends of ultra-deep and ultra-high temperature well |
| CN114000846A (en) * | 2021-11-01 | 2022-02-01 | 四川宏华石油设备有限公司 | Wellhead cutting device and cutting method thereof |
| CN114000846B (en) * | 2021-11-01 | 2023-08-18 | 四川宏华石油设备有限公司 | Wellhead cutting device and cutting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231211 Address after: 030600 North confluence, Yuci District, Jinzhong City, Shanxi Province Patentee after: Jinzhong Desheng Perforating Equipment Co.,Ltd. Address before: No. 82 Jinniushan Street West, Xishi District, Yingkou City, Liaoning Province, 115004 Patentee before: Gao Shuchen Patentee before: YINGKOU DOUBLE DRAGON PERFORATING EQUIPMENT Co.,Ltd. |