CN101726222B - Adjustable-charge high-pressure resistance device for breakouting pack of dynamite - Google Patents
Adjustable-charge high-pressure resistance device for breakouting pack of dynamite Download PDFInfo
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- CN101726222B CN101726222B CN2009102190688A CN200910219068A CN101726222B CN 101726222 B CN101726222 B CN 101726222B CN 2009102190688 A CN2009102190688 A CN 2009102190688A CN 200910219068 A CN200910219068 A CN 200910219068A CN 101726222 B CN101726222 B CN 101726222B
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- Prior art keywords
- dynamite
- detonating
- bar shaped
- charge
- breakouting pack
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- 239000011347 resin Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 14
- 239000002360 explosive Substances 0.000 claims description 7
- 238000005474 detonation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 230000037452 priming Effects 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses an adjustable-charge high-pressure resistance device for breakouting pack of dynamite, which comprises a casing body. The casing body is connected with an upper joint and a spring tail. A boosting device is arranged in the upper joint. Unsaturated resin is filled in the casing body, and a certain amount of strip-shaped hollow cavities are distributed on the unsaturated resin and used for loading strip-shaped charges. Priming charges are arranged on the unsaturated resin, and are in tight contact with the strip-shaped charges. A centering sleeve and an elastic press plate are sequentially arranged under the unsaturated resin, wherein the elastic press plate is in contact with the spring tail. Compared with the breakouting pack of dynamite in the traditional artificial detonating cord-winding method, the invention has the advantages of safe and reliable on-site construction, convenient operation, flexible adjustment of charge loading amount, operation at high-pressure environments, and the like, and can be used for the breakouting pack of dynamite when the metal pipe column is blocked in the oil-gas well construction.
Description
Technical field
The invention belongs to the explosion technique application, relate to a kind of high pressure resistant breakouting pack of dynamite device of adjustable dose, this device has adopted linear explosive powder charge technology, is used for the breakouting pack of dynamite of metal string collar threaded connection place.
Background technology
In the operation of oil gas well construction, the card accident like oil pipe, drilling rod and sleeve pipe etc., often takes place to meet in the metal tubing string.One of processing means commonly used that solve chance card accident are exactly breakouting pack of dynamite; Promptly connect the mode that box cupling adopts the blast work done from tubing string; It is loosening that being threaded of box cupling place taken place; Break away from through rig rotation, on carry the top, position of releasing tubing string go out well head, and then carry out next step salvaging or other working measure.
Present existing breakouting pack of dynamite method mainly contains the method for mentioning among the oil and gas industry standard SY/T5271-2000 of the People's Republic of China (PRC) " stuck point is confirmed and the breakouting pack of dynamite practice ": promptly on a reinforcement rod, twine the detonating fuse of certain-length, carry out the breakouting pack of dynamite operation then.This method can according to well depth condition, well liquid density, the tubing string type of quick-fried pine different, advantage such as the length of detonating fuse can flexible, and it is low to have an operating cost, and dose is adjustable, and is applied widely.But this method is because detonating fuse and priming device expose in well liquid, and the existence mistake is quick-fried or put out quick-fried hidden danger, if it is excessive to be applied tubing string place pressure, detonating fuse not can be detonated.And, there is certain danger at the oil and gas wellhead execute-in-place.A kind of in addition breakouting pack of dynamite method is exactly to adopt the breakouting pack of dynamite bullet of each Production of Industrial Explosive Materials manufacturer production, the breakouting pack of dynamite bullet series of products of producing in recent years like Xi'an Inst. of Modern Chemistry.The advantage of these breakouting pack of dynamite bullets is easy and simple to handle, on-the-spot safe in utilization, but that shortcoming is a dose is unadjustable, and the scope of application is restricted.In actual use, it is excessive dose often to occur, the phenomenon of damage metal tubing string, or dose is too small, can't play the effect of breakouting pack of dynamite.According to the data-searching that the applicant did, also there are not the relevant report and the product of the high pressure resistant breakouting pack of dynamite device of special adjustable dose to come out at present.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the purpose of this invention is to provide a kind of high pressure resistant breakouting pack of dynamite device of adjustable dose, be convenient to the on-the-spot use flexibly of oil gas field, and can safety operation.
In order to realize above-mentioned task, the present invention takes following technical solution:
A kind of high pressure resistant breakouting pack of dynamite device of adjustable dose comprises a housing, and housing is connected with top connection and projectile tail; The upper end of described top connection is used for linking to each other with the detonation element sealing, it is characterized in that, is filled with unsaturated-resin in the inside of housing; Be distributed with the bar shaped cavity of some on this unsaturated-resin; The bar shaped cavity is used to install the bar shaped powder charge, and there is detonating charge the unsaturated-resin top, and detonating charge closely contacts with the bar shaped powder charge; The unsaturated-resin below is equipped with supporting positive cover and spring bearer plate successively, and wherein, spring bearer plate contacts with projectile tail;
Have centre bore in the described top connection, detonating fuse is housed in centre bore, the two ends of this detonating fuse are equipped with detonating primer and following detonating primer respectively, and described detonating primer down contacts with detonating charge.
The high pressure resistant breakouting pack of dynamite device of adjustable dose of the present invention can be according to on-the-spot instructions for use, and flexible configuration bar shaped powder charge can be according to the actual conditions dose of adjusting device easily.
Compare with product with prior art, the invention has the advantages that:
Handling safety, easy to use, dose is adjustable, is suitable for hyperbaric environment, and is applied widely.And because powder charge receives the housing protection, the safety of operation and normal reliability of igniting also are improved.
Description of drawings
Fig. 1 is the high pressure resistant breakouting pack of dynamite device sectional view of adjustable dose provided by the invention.Label among the figure is represented respectively: 1, structure collectivity, 2, first sealing ring, 3, go up detonating primer, 4, detonating fuse, 5, top connection; 6, second sealing ring, 7, housing, 8, unsaturated-resin, 9, the bar shaped powder charge; 10, supporting positive cover, 11, spring bearer plate, 12, projectile tail, 13, detonating primer down; 14, the 3rd sealing ring, the 15, the 4th sealing ring, 16, detonating charge, 17, ring washer;
Fig. 2 is the high pressure resistant breakouting pack of dynamite device A-A place transverse sectional view of the adjustable dose of Fig. 1.
The specific embodiment
According to technical scheme of the present invention, Fig. 1 has provided a practical implementation instance, among the figure; Label 1 is the structure collectivity of the high pressure resistant breakouting pack of dynamite device of adjustable dose, comprises a housing 7, and housing 7 is connected with top connection 5 and projectile tail 12; Be filled with unsaturated-resin 8 in the inside of housing 7, be distributed with the bar shaped cavity of some on this unsaturated-resin 8, be used to install bar shaped powder charge 9; There is detonating charge 16 unsaturated-resin 8 tops, and detonating charge 16 closely contacts with bar shaped powder charge 9; Unsaturated-resin 8 belows are equipped with supporting positive cover 10 and spring bearer plate 11 successively, and wherein, spring bearer plate 11 contacts with projectile tail 12;
The cross sectional shape of bar shaped cavity is circle or regular polygon; Be used to install bar shaped powder charge 9 in the bar shaped cavity; These bar shaped powder charges 9 can be carried out flexible configuration and adjustment like well depth, well liquid density and effect metal tubing string type etc. according to concrete service condition, have realized the adjustable of explosive payload.
In the installation process, note the upper end of bar shaped powder charge 9 is closely contacted with detonating charge 16, its other end closely contacts with spring bearer plate 11 through supporting positive cover 10, and the thread connecting mode that passes through bottom of housing 7 assembles projectile tail 12.
As shown in Figure 1, first sealing ring 2 and the 3rd sealing ring 14 are housed between the centre bore of top connection 5 and last detonating primer 3 and the following detonating primer 13, it mainly acts on is to play sealing.The another one effect is in assembling and transportation, and detonating primer 3 is not moved with following detonating primer 13 and the position of detonating fuse 4 in top connection 5 in the assurance.
As shown in Figure 1; Detonating charge 16 is generally formed through compacting by the explosive of one type of RDX, and its lower end contacts with ring washer 17, and the upper end is through the 4th sealing ring 15 and top connection 5 close proximity; The 4th sealing ring 15 is to be processed by rubber; Its effect is in assembling process, external screw thread and the housing 7 that prevents top connection 5 when fastening because self rotation and direct friction detonating charge 16 is stopped potential safety hazard.Sealing function between 15 top connections 5 of the 4th sealing ring and the detonating charge 16 can the pressure of anti-140MPa, is applicable to that high pressure is not higher than the hyperbaric environment of 140MPa.
As shown in Figure 1, unsaturated-resin 8 becomes solid in housing 7 solidified inside, the cavity that will leave some during preparation according to the volume of unsaturated-resin 8 and axially connect along unsaturated-resin 8, and its cross section is circular cross-section or regular polygon.The quantity of the cavity of present embodiment is 14, and cavity inside is used to install bar shaped powder charge 9, and certainly, its quantity can be processed between 3～24 according to actual needs, and is as shown in Figure 2.Water-fast explosive column can be preferably adopted in bar shaped powder charge 9, and its degree of packing is 1.65～1.70g/m
3As required, bar shaped powder charge 9 can be extracted a part out and formed cavity.The effect of unsaturated-resin 8 is to keep the relative position of bar shaped powder charge 9 in housing.
As shown in Figure 1, spring bearer plate 11 is closely contacted with the lower end of bar shaped powder charge 9 under the support of projectile tail 12, and force the upper end of bar shaped powder charge 9 closely to contact, to guarantee all bar shaped powder charges 9 of detonating charge 16 reliable initiations with detonating charge 16.Adjust explosive payload if desired, as part bar shaped powder charge 9 is extracted out, perhaps do not dispose bar shaped powder charge 9 in some cavity in cavity, the cavity of being left over can not cause adverse effect to the performance of detonating of remaining bar shaped powder charge 9 yet.Spring bearer plate 11 is processed by the rubber-like material, can avoid projectile tail 12 direct friction bar shaped powder charge 9 when fastening, thereby improves the safety of assembling.
Claims (6)
1. the high pressure resistant breakouting pack of dynamite device of an adjustable dose; Comprise a housing (7), housing (7) is connected with top connection (5) and projectile tail (12), and the upper end of described top connection (5) is used for linking to each other with the detonation element sealing; It is characterized in that; Be filled with unsaturated-resin (8) in the inside of housing (7), be distributed with the bar shaped cavity of some on this unsaturated-resin (8), the bar shaped cavity is used to install bar shaped powder charge (9); There is detonating charge (16) unsaturated-resin (8) top, and detonating charge (16) closely contacts with bar shaped powder charge (9); Unsaturated-resin (8) below is equipped with supporting positive cover (10) and spring bearer plate (11) successively, and wherein, spring bearer plate (11) contacts with projectile tail (12);
Described top connection (5) center has centre bore, and detonating fuse (4) is housed in centre bore, and the two ends of this detonating fuse (4) are equipped with detonating primer (3) and following detonating primer (13) respectively, and described detonating primer (13) down contacts with detonating charge (16).
2. the high pressure resistant breakouting pack of dynamite device of adjustable dose as claimed in claim 1 is characterized in that, described bar shaped cavity cross section is circular, or regular polygon.
3. according to claim 1 or claim 2 the high pressure resistant breakouting pack of dynamite device of adjustable dose is characterized in that described bar shaped number of cavities is between 3～24.
4. the high pressure resistant breakouting pack of dynamite device of adjustable dose as claimed in claim 1 is characterized in that, described bar shaped powder charge (9) is water-fast explosive column, and its degree of packing is 1.65～1.70g/m
3
5. the high pressure resistant breakouting pack of dynamite device of adjustable dose as claimed in claim 1 is characterized in that, between described top connection (5) centre bore and last detonating primer (3) and the following detonating primer (13) sealing ring is installed.
6. the high pressure resistant breakouting pack of dynamite device of adjustable dose as claimed in claim 1 is characterized in that, described spring bearer plate (11) is processed by the rubber-like material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102190688A CN101726222B (en) | 2009-11-19 | 2009-11-19 | Adjustable-charge high-pressure resistance device for breakouting pack of dynamite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102190688A CN101726222B (en) | 2009-11-19 | 2009-11-19 | Adjustable-charge high-pressure resistance device for breakouting pack of dynamite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101726222A CN101726222A (en) | 2010-06-09 |
| CN101726222B true CN101726222B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102190688A Expired - Fee Related CN101726222B (en) | 2009-11-19 | 2009-11-19 | Adjustable-charge high-pressure resistance device for breakouting pack of dynamite |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383752B (en) * | 2010-09-01 | 2013-12-04 | 中国石油天然气股份有限公司 | Novel releasing, explosion and buckle loosening method and device for extended reach well and horizontal well |
| CN103174390B (en) * | 2013-03-15 | 2015-10-07 | 北方斯伦贝谢油田技术（西安）有限公司 | A kind of automatic grappling release device of flame-cutting plant of cable transmission |
| CN104265224B (en) * | 2014-07-31 | 2017-02-01 | 西安石油大学 | Fast unclamping device realizing oil well drill clamping object directional explosion impact failure separation |
| CN113137187A (en) * | 2020-06-28 | 2021-07-20 | 中国石油化工集团有限公司 | Small well bore drill rod explosion buckle releasing device for ultra-deep and ultra-high temperature well |
| CN111878002B (en) * | 2020-07-30 | 2025-03-14 | 北方斯伦贝谢油田技术（西安）有限公司 | A loosening spring for a downhole pipe coupling |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033851U (en) * | 1987-09-23 | 1989-03-08 | 四川石油管理局川东钻探公司 | Detonating device for buckle-loosening by explosion |
-
2009
- 2009-11-19 CN CN2009102190688A patent/CN101726222B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033851U (en) * | 1987-09-23 | 1989-03-08 | 四川石油管理局川东钻探公司 | Detonating device for buckle-loosening by explosion |
Non-Patent Citations (5)
| Title |
|---|
| 刘同茹等.《测卡松扣仪及其在卡钻事故检测中的应用》.《石油钻采工艺》.2006,第28卷(第6期),18-20. * |
| 周望等.《测卡与爆炸松扣技术》.《石油钻采工艺》.1985,69-73. * |
| 彭桂湘.《孔内爆破松扣工艺的措施及注意事项》.《西部探矿工程》.2001,231-234. * |
| 彭翔之.《爆炸松扣新技术在川西北矿区推广应用》.《测井技术》.1983,(第3期),22-25. * |
| 樊朝斌.《新201井卡钻事故处理分析》.《西部探矿工程》.2009,(第7期),56-58. * |
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| CN101726222A (en) | 2010-06-09 |
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Granted publication date: 20121128 Termination date: 20211119 |