CN208920969U - High temperature and pressure electric cap - Google Patents
High temperature and pressure electric cap Download PDFInfo
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- CN208920969U CN208920969U CN201821444205.9U CN201821444205U CN208920969U CN 208920969 U CN208920969 U CN 208920969U CN 201821444205 U CN201821444205 U CN 201821444205U CN 208920969 U CN208920969 U CN 208920969U
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- plug
- high temperature
- sealing
- blind hole
- pressure electric
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Abstract
The utility model discloses a kind of high temperature and pressure electric caps, including metal shell, sealing-plug, conducting wire, ignition module and output precision, both ends are provided with blind hole in the metal shell, one end blind hole sets gradually output precision and ignition module from inside to outside, it is sealed at blind hole port by sealing-plug, it is set in sealing-plug there are two through-hole, two conducting wires are each passed through two through-holes and two metal pole needles of ignition module connect, and other end blind hole is used to connect primacord when operation.The utility model has reliable sealing performance and higher versatility, can bear 180 DEG C, 140MPa high temperature and pressure well fluid environment.
Description
Technical field
The utility model relates to a kind of high temperature and pressure electric caps, for igniting primacord in high temperature and pressure well fluid environment,
Suitable for oil/gas well breakouting pack of dynamite and cutting oil casing operation technical field.
Background technique
In drilling well, well workover and various oil/gas well job engineerings, due to the requirement of certain special process, perforating technology need to be utilized
The characteristics of carry out breakouting pack of dynamite and cutting oil casing operation.When implementing breakouting pack of dynamite and tubing and casing cutting operation, applied to shorten
The work period reduces underground work cost, carries out special engineering operation using cable transfer working string to designated position.
Usually in cable transfer breakouting pack of dynamite and cutting oil casing operation, electric cap must be used to light a fire.With explosion
For releasing, impact force is generated using the explosion of heat resisting and pressure resisting primacord, screw thread part is impacted, becomes the screw thread originally fastened
It loosens.The job requirements electric cap equally has heat resisting and pressure resisting performance.With further going deep into for oil/gas well exploration exploitation, high temperature
High-pressure well is more and more common, therefore higher to the performance requirement of heat resisting and pressure resisting electric cap.
Conventional oil/gas well is unable to satisfy the resistance to pressure request more than 140MPa with heat resisting and pressure resisting electric cap.
Summary of the invention
The purpose of the utility model is to overcome the above problems of the existing technology, provide a kind of high temperature and high pressure electrical thunder
Pipe.The utility model has reliable sealing performance and higher versatility, can bear 180 DEG C, 140MPa high temperature and pressure well liquid
Environment.
To achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of high temperature and pressure electric cap, it is characterised in that: including metal shell, sealing-plug, conducting wire, ignition module and output
Component, both ends are provided with blind hole in the metal shell, and one end blind hole sets gradually output precision and ignition group from inside to outside
Part is sealed by sealing-plug at blind hole port, is set in sealing-plug there are two through-hole, two conducting wires are each passed through two through-holes and hair
Two metal pole needles of fiery component connect, and other end blind hole is used to connect primacord when operation.
The ignition module includes ceramic plug, metal pole needle, resistor, powder charge set and Loading Materials for Initiating Explosive Devices, ceramic plug with
Powder charge set connects, and in powder charge set, two metal pole needles pass through ceramic plug and cover interior setting with powder charge respectively for Loading Materials for Initiating Explosive Devices setting
Resistor connection.
The shape of the ceramic plug be it is step-like, powder charge set is connected on step.
Step is equipped in the blind hole of described metal shell one end, ceramics are inserted in the step of ceramic plug and the step cooperation of blind hole
Plug limit.
It is provided between the sealing-plug and ceramic plug using gasket made of polytetrafluoroethylene material, two metals
Pole needle passes through gasket and connect respectively with two conducting wires.
Two conducting wires, the one piece-root grafting ignition conducting wire, another piece-root grafting ground wire, joint passes through sealant tape and elastic gum
Band sealing is fastened.
The output precision is provided with booster explosive and explosive.
Using utility model has the advantages that
One, the utility model has reliable sealing performance.The utility model sealing-plug and gasket double sealing structure
It realizes sealing, greatly increases sealing reliability.
Two, the utility model has higher versatility.The utility model can meet 180 DEG C, 140MPa high temperature and pressure ring
Engineer operation requirement under border, is generally applicable to most of oil/gas well construction operation, versatility is higher.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 the utility model seals assembling structure schematic diagram；
Fig. 3 is the enlarged structure schematic diagram at utility model sealing assembly connection；
Fig. 4 is the utility model ignition module schematic diagram.
In the figure, it is marked as 1. conducting wires, 2. sealing-plugs, 3. gaskets, 4. ignition modules, 5. metal shells, 6. output precisions,
7. sealant tape, 8. elastic rubber belts, 9. ignition conducting wires, 10. primacords, 11. metal pole needles, 12. ceramic plugs, 13. powder charges
Set, 14. resistors, 15. Loading Materials for Initiating Explosive Devices.
Specific embodiment
Embodiment 1
A kind of high temperature and pressure electric cap, including metal shell 5, sealing-plug 2, conducting wire 1, ignition module 4 and output precision 6,
Both ends are provided with blind hole in the metal shell 5, and one end blind hole sets gradually output precision 6 and ignition module 4 from inside to outside,
It is sealed, is set in sealing-plug 2 there are two through-hole, two conducting wires 1 are each passed through two through-holes and hair by sealing-plug 2 at blind hole port
Two metal pole needles 11 of fiery component 4 connect, and other end blind hole is used to connect primacord 10 when operation.
The ignition module includes ceramic plug 12, metal pole needle 11, resistor 14, powder charge set 13 and Loading Materials for Initiating Explosive Devices 15,
Ceramic plug 12 is connect with powder charge set 13, and in powder charge set 13, two metal pole needles 11 pass through ceramics and insert the setting of Loading Materials for Initiating Explosive Devices 15
Plug 12 is connect with the resistor 14 being arranged in powder charge set 13 respectively.
The shape of the ceramic plug 12 be it is step-like, powder charge set 13 is connected on step.
Step is equipped in 5 one end blind hole of metal shell, the step of ceramic plug 12 and the step of blind hole cooperate to pottery
Porcelain plug 12 limits.
It is provided between the sealing-plug 2 and ceramic plug 12 using gasket 3 made of polytetrafluoroethylene material, two
Metal pole needle 11 passes through gasket 3 and connect respectively with two conducting wires 1.
Two conducting wires, the 1 one piece-root grafting ignition conducting wire 9, another piece-root grafting ground wire, joint passes through sealant tape 7 and elasticity
The sealing of adhesive tape 8 is fastened.
The output precision 6 is provided with booster explosive and explosive.
Embodiment 2
The present embodiment combination attached drawing is described further the utility model.
The utility model is suitable for oil/gas well breakouting pack of dynamite and cutting oil casing operation technical field, in high temperature and pressure
Primacord is ignited in well fluid environment.
As shown, the utility model is carried out using sealing-plug and gasket dual sealing manner, structure is by metal-back
Body 5, gasket 3, sealing-plug 2, high temperature wire 1, ignition module 4, output precision 6 form.Sealing-plug 2 and high temperature wire 1 use
Tight mouth mode realizes sealing.Ignition module 4 use ceramic plug 12, ceramic plug 12 be it is step-like, it is interior be equipped with easy welding metal
Pole needle 11, for welding ignition resistor 14.The built-in Loading Materials for Initiating Explosive Devices of ignition module 4, which is realized, is under fire.The built-in booster explosive of output precision 6
And high explosive, transmitting detonation and output shock wave.
The metal shell 5 is made of steel, and it is indeformable can to bear high temperature and pressure well fluid environment.
5 left end of metal shell is equipped with interior step blind hole, right end sets blind hole, and wherein left end blind hole is for assembling sealing
Pad 3, sealing-plug 2, ignition module 4 and output precision 6, right end blind hole are used to connect primacord 10 when operation.
The ignition module 4 is by ceramic plug 12, metal pole needle 11, big resistor 14, powder charge set 13 and Loading Materials for Initiating Explosive Devices 15
Composition.
It is equipped with metal pole needle 11 in 4 ceramic plug 12 of ignition module, convenient for welding with high temperature wire.
It is equipped with through-hole in the sealing-plug 2, convenient for tight mouth after assembly high temperature wire, to realize sealing.
The gasket 3 is made of polytetrafluoroethylene material, sealing-plug lower end is assemblied in, for realizing high temperature and pressure
Dual-seal under environment.
The assembly method of the utility model is as follows:
As shown in Fig. 1, two high temperature wires 1 of high temperature and pressure electric cap are for being passed through electric current ignition.
As shown in Fig. 2, by two 1 one piece-root grafting ignition conducting wires 9 of high temperature wire, another piece-root grafting ground wire is close using high temperature
Sealed adhesive tape 7 and elastic rubber belt 8 are sealed and are fastened.
As shown in Fig. 3, primacord 10 is inserted into high temperature and pressure electric cap in blind hole, tight mouth processing after abutting, then
It is sealed and is fastened using elevated-temperature seal adhesive tape 7 and elastic rubber belt 8.
The working principle of the utility model is as follows:
High temperature and pressure electric cap is by metal shell 5, gasket 3, sealing-plug 2, high temperature wire 1, ignition module 4, output group
Part 6 forms.After Fig. 2, Fig. 3 connecting wire and primacord 10, by specific engineer operation tubing string tripping in oil/gas well, exist at this time
Hp-ht well pendular ring is domestic, and access is normal between ground wire and ignition conducting wire 9, and electric current is passed through between ground wire and ignition conducting wire 9 makes electricity
Detonator is under fire, and is then ignited primacord 10, is completed specific engineer operation.
Claims (7)
1. a kind of high temperature and pressure electric cap, it is characterised in that: including metal shell (5), sealing-plug (2), conducting wire (1), ignition group
Part (4) and output precision (6), the interior both ends of the metal shell (5) are provided with blind hole, and one end blind hole is set gradually from inside to outside
Output precision (6) and ignition module (4) are sealed by sealing-plug (2) at blind hole port, are set in sealing-plug (2) there are two through-hole,
Two conducting wires (1) are each passed through two through-holes and connect with two metal pole needles (11) of ignition module (4), and other end blind hole is used for
Primacord (10) are connected when operation.
2. high temperature and pressure electric cap according to claim 1, it is characterised in that: the ignition module (4) includes that ceramics are inserted
Fill in (12), metal pole needle (11), resistor, powder charge set (13) and Loading Materials for Initiating Explosive Devices (15), ceramic plug (12) and powder charge set (13)
Connection, Loading Materials for Initiating Explosive Devices (15) setting in the powder charge set (13), two metal pole needles (11) pass through ceramic plug (12) respectively with dress
Resistor (14) connection being arranged in medicine set (13).
3. high temperature and pressure electric cap according to claim 2, it is characterised in that: the shape of the ceramic plug (12) is platform
Scalariform, powder charge set (13) are connected on step.
4. high temperature and pressure electric cap according to claim 3, it is characterised in that: in the blind hole of described metal shell (5) one end
Equipped with step, the step of ceramic plug (12) and the step cooperation of blind hole limit ceramic plug (12).
5. high temperature and pressure electric cap according to claim 4, it is characterised in that: the sealing-plug (2) and ceramic plug
(12) it is provided between using gasket made of polytetrafluoroethylene material (3), two metal pole needles (11) pass through gasket (3)
It is connect respectively with two conducting wires (1).
6. high temperature and pressure electric cap according to claim 5, it is characterised in that: (1) one piece-root grafting of two conducting wires is under fire
Conducting wire (9), another piece-root grafting ground wire, joint passes through sealant tape (7) and elastic rubber belt (8) sealing is fastened.
7. high temperature and pressure electric cap according to claim 6, it is characterised in that: the output precision (6) is provided with propagation of explosion
Medicine and explosive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444205.9U CN208920969U (en) | 2018-09-05 | 2018-09-05 | High temperature and pressure electric cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444205.9U CN208920969U (en) | 2018-09-05 | 2018-09-05 | High temperature and pressure electric cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208920969U true CN208920969U (en) | 2019-05-31 |
Family
ID=66703347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821444205.9U Active CN208920969U (en) | 2018-09-05 | 2018-09-05 | High temperature and pressure electric cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208920969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375601A (en) * | 2019-08-28 | 2019-10-25 | 雅化集团绵阳实业有限公司 | A kind of big resistance of high temperature resistant ceases to be in force automatically detonator and its manufacturing process |
-
2018
- 2018-09-05 CN CN201821444205.9U patent/CN208920969U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375601A (en) * | 2019-08-28 | 2019-10-25 | 雅化集团绵阳实业有限公司 | A kind of big resistance of high temperature resistant ceases to be in force automatically detonator and its manufacturing process |
| CN110375601B (en) * | 2019-08-28 | 2022-02-01 | 雅化集团绵阳实业有限公司 | High-temperature-resistant large-resistance automatic failure detonator and manufacturing process thereof |
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