CN208718636U - A kind of high pressure resistant explosion fracturing interlayer explosion propagation device - Google Patents
A kind of high pressure resistant explosion fracturing interlayer explosion propagation device Download PDFInfo
- Publication number
- CN208718636U CN208718636U CN201821057011.3U CN201821057011U CN208718636U CN 208718636 U CN208718636 U CN 208718636U CN 201821057011 U CN201821057011 U CN 201821057011U CN 208718636 U CN208718636 U CN 208718636U
- Authority
- CN
- China
- Prior art keywords
- gun body
- annular groove
- explosion
- interlayer
- connector
- 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.)
- Active
Links
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a kind of high pressure resistant explosion fracturing interlayer explosion propagation devices.Including gun body, central tube, upper connector, intermediate connector, lower connector, top connection, lower contact, sealing ring and primacord.The device plays a part of fluid channel, so it is inside and outside without pressure difference when powder burning in explosion fracturing construction, will not deform because of compression due to being equipped with through-hole in gun body.It solves in the explosion fracturing construction simultaneously of existing multilayer, because interlayer gun gun body or the bearing capacity for being pressurized propagation of explosion oil pipe are limited, the high temperature and high pressure generated rapidly in pit shaft when powder burning, and its easily interlayer gun gun body and oil pipe are squeezed and deformed, the problem of even flattening, bending, causing card rifle accident.And device assembly is simple, can reuse.
Description
Technical field
The utility model belongs to oil gas well mining technical field, is a kind of high pressure resistant explosion fracturing interlayer explosion propagation device.
Background technique
In the construction of oil/gas well explosion fracturing, it is commonly present long interlayer between two purpose oil reservoirs, if being intended to once simultaneously
Two or more layers pressure break is completed, usual way is either realized in such a way that oil pipe is pressurized propagation of explosion using interlayer gun at present.
But from the point of view of using effect, since explosion fracturing moment well cylinder pressure and temperature rapidly increase, but interlayer gun body and oil pipe are anti-
Pressure energy power is limited, often will appear interlayer gun body or oil pipe generates moderate finite deformation, or even be crowded flat, bending phenomenon, cause card rifle
Accident.The plenty of time is not only wasted in accident treatment, and causes great economic loss.And the research of the technology with
Using, since gun body is equipped with through-hole, it plays a part of fluid channel, so it is not subject to operating pressure without pressure difference inside and outside it,
Therefore, it will not be deformed because of compression, the generation of card rifle accident occur so as to avoid due to interlayer gun or oil pipe are deformed.
And assembly is simple, can reuse.
Summary of the invention
The technical issues of the utility model solves is: the technical problem to be solved by the present invention is to existing multilayer detonation pressure
It splits the interlayer gun used or oil pipe pressurization propagation of explosion technique is improved, provide and cause card rifle risk during a kind of avoidable propagation of explosion
Novel high pressure-resistant interlayer explosion propagation device.
The technical solution of the utility model is: a kind of high pressure resistant explosion fracturing interlayer explosion propagation device, including gun body, on connect
Head, lower contact, the gun body both ends are connected with top connection and lower contact respectively, and three's axis overlaps, and top connection is under
Connector axis is equipped with through-hole；It is characterized in that, further including several central tubes, upper connector, lower connector and several intermediate connections
Part, the quantity of central tube is 1 more than intermediate connector quantity；Gun body and several central tubes are the cavity body of both ends open；It is logical
Several intermediate connectors are crossed to connect several central tubes；Connection posterior axis overlaps and forms entirety, is placed in gun body, whole
Axis is overlapped with gun body axis, and the whole both ends of formation are threadedly coupled upper connector and lower connector respectively, upper connector with it is upper
Connector is connected, and lower connector and lower contact are connected.
The further technical solution of the utility model is: several groups of through-holes is also symmetrically arranged on the gun body outer wall, several groups logical
The axis in hole is parallel to each other, and is mutually perpendicular to gun body axis.
The further technical solution of the utility model is: several groups of through-holes are able to enter gun body for wellbore fluid
It is interior, guarantee that gun body external and internal pressure is identical.
The further technical solution of the utility model is: the upper connector is cylindrical body, and both ends are equipped with screw thread and annular groove,
There is through-hole at center, and annular groove is equipped with sealing ring, and both ends screw thread and annular groove outer diameter be not identical, and big outer diameter one end and top connection are connected,
Small outer diameter one end and central tube are connected.
The further technical solution of the utility model is: the intermediate connector is cylindrical body, and both ends are equipped with screw thread and ring
There is through-hole at slot, center, and annular groove is equipped with sealing ring, and both ends screw thread is identical with annular groove outer diameter, and two branch center pipes are joined end to end.
The further technical solution of the utility model is: the lower connector be cylindrical body, end surface be equipped with screw thread and
Annular groove, another end surfaces are equipped with annular groove, and sealing ring is equipped on the annular groove of both ends, and center is equipped with through-hole, equipped with screw thread and annular groove
One end is connect with central tube.Equipped in annular groove one end insertion lower contact centre bore.
Invention effect
The utility model have the technical effect that the utility model proposes a kind of high pressure resistant explosion fracturing interlayer propagation of explosion
Device suitable for there is long sandwich multi-layer explosion fracturing simultaneously, and is not influenced by wellbore environment, is suitable for straight well, inclined shaft and level
Well.Since gun body is equipped with through-hole, it plays a part of fluid channel, so it is not subject to operating pressure without pressure difference inside and outside it, because
This, will not deform because of compression, solve the problems, such as to easily cause card rifle using interlayer gun or oil pipe pressurization propagation of explosion.And assembly letter
It is single, it can reuse.
Detailed description of the invention
Fig. 1 explosion fracturing interlayer explosion propagation device structural schematic diagram；
Description of symbols: 1- gun body；2- central tube；3- upper connector；4- intermediate connector；Connector under 5-；On 6-
Connector；7- lower contact；8- sealing ring；9- primacord.
Specific embodiment
Referring to Fig. 1, a kind of high pressure resistant explosion fracturing interlayer explosion propagation device, including gun body 1, central tube 2, upper connector
3, intermediate connector 4, lower connector 5, top connection 6, lower contact 7, sealing ring 8 and primacord 9.4 both ends of intermediate connector are equipped with
Screw thread and annular groove, center are equipped with through-hole, and annular groove is equipped with sealing ring 8, is connected to several central tubes 2 using intermediate connector 4
Together.3 both ends of upper connector are equipped with screw thread and annular groove, and there is through-hole at center, and annular groove is equipped with sealing ring 8, and one end is connected to assembly
Good 2 one end of several central tubes.6 surface of top connection is equipped with screw thread and annular groove, and annular groove is equipped with sealing ring 8, and center is equipped with through-hole,
Through-hole is stepped hole, and screw thread and sealing surface are equipped in stepped hole macropore, is threadedly coupled with the above-mentioned upper connector 3 assembled.
Lower 5 end surface of connector is equipped with screw thread and annular groove, and another end surfaces are equipped with annular groove, are equipped with sealing ring 8 on the annular groove of both ends, in
The heart is equipped with through-hole, and one end equipped with screw thread and annular groove is connected to 2 other end of several central tubes assembled.It is assembled above-mentioned
5 direction of connector is put into forward in gun body 1 under component, and top connection 6 is threaded in 1 one end of gun body.7 surface of lower contact is equipped with spiral shell
Line and annular groove, annular groove are equipped with sealing ring 8, and center is equipped with through-hole, are threaded in 1 other end of gun body, after assembly in place, lower company
Fitting 5 is equipped with annular groove one end and enters in 7 centre bore of lower contact.Primacord 9 passes through out of component centre bore that connect.Gun body 1
For round tube body, outer diameter is 51mm~178mm, and it is the multiple rows of through-hole of 5mm~40mm that surface, which is furnished with aperture, single hole count is 1~
20, both ends are equipped with internal screw thread.Central tube 2 is round tube body, and outer diameter is 20mm~50mm, and both ends are equipped with internal screw thread and sealing
Face.
The assembling process of the present apparatus are as follows: the first step, by upper connector 3, intermediate connector 4, lower connector 5, top connection 6,
Sealing ring 8 is assembled in lower contact 7；Second step is first linked together several central tubes 2 using intermediate connector 4, then will
Upper connector one end is connected to 2 one end of several central tubes assembled, finally will in 6 stepped hole macropore of top connection be equipped with screw thread and
Sealing surface one end is threadedly coupled with the above-mentioned upper connector 3 assembled；Lower connector 5 is equipped with screw thread and annular groove one by third step
2 other end of several central tubes connection held and assembled；4th step, 5 direction of connector under the above-mentioned component assembled is facing forward
It is put into gun body 1, top connection 6 is threaded in 1 one end of gun body.Lower contact 7 is threaded in 1 other end of gun body, and assembly is in place
Afterwards, lower connector 5 is equipped with annular groove one end and enters in 7 centre bore of lower contact.Primacord 9 leads to out of component centre bore that connect
It crosses.
Claims (6)
1. a kind of high pressure resistant explosion fracturing interlayer explosion propagation device, including gun body (1), top connection (6), lower contact (7), the rifle
Body (1) both ends are connected with top connection (6) and lower contact (7) respectively, and three's axis overlaps, top connection (6) and lower contact
(7) axis is equipped with through-hole；It is characterized in that, further including several central tubes (2), upper connector (3), lower connector (5) and several
Intermediate connector (4), the quantity of central tube is 1 more than intermediate connector quantity；Gun body (1) and several central tubes (2) are two
The cavity body of end opening；Several central tubes (2) are connected by several intermediate connectors (4)；Connection posterior axis overlaps simultaneously
It is formed whole, is placed in gun body (1), whole axis is overlapped with gun body (1) axis, on the whole both ends of formation are threadedly coupled respectively
Connector (3) and lower connector (5), upper connector (3) and top connection (6) are connected, and lower connector (5) and lower contact (7) are connected.
2. a kind of high pressure resistant explosion fracturing interlayer explosion propagation device as described in claim 1, which is characterized in that the gun body
(1) several groups of through-holes are also symmetrically arranged on outer wall, the axis of several groups of through-holes is parallel to each other, and is mutually perpendicular to gun body (1) axis.
3. a kind of high pressure resistant explosion fracturing interlayer explosion propagation device as described in claim 1, which is characterized in that the gun body
(1) several groups of through-holes being symmetrically arranged on outer wall are able to enter in gun body (1) for wellbore fluid, guarantee gun body external and internal pressure phase
Together.
4. a kind of high pressure resistant explosion fracturing interlayer explosion propagation device as described in claim 1, which is characterized in that the upper connection
Part (3) is cylindrical body, and both ends are equipped with screw thread and annular groove, and there is through-hole at center, and annular groove is equipped with sealing ring (8), both ends screw thread and ring
Slot outer diameter is not identical, and big outer diameter one end and top connection (6) are connected, and small outer diameter one end and central tube (2) are connected.
5. a kind of high pressure resistant explosion fracturing interlayer explosion propagation device as described in claim 1, which is characterized in that the centre connects
Fitting (4) is cylindrical body, and both ends are equipped with screw thread and annular groove, and there is through-hole at center, and annular groove is equipped with sealing ring (8), both ends screw thread and
Annular groove outer diameter is identical, and two branch center pipes are joined end to end.
6. a kind of high pressure resistant explosion fracturing interlayer explosion propagation device as described in claim 1, which is characterized in that the lower connection
Part (5) is cylindrical body, and end surface is equipped with screw thread and annular groove, and another end surfaces are equipped with annular groove, are equipped with sealing on the annular groove of both ends
It encloses (8), center is equipped with through-hole, and one end equipped with screw thread and annular groove is connect with central tube (2)；Lower contact is inserted into equipped with annular groove one end
(7) in centre bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821057011.3U CN208718636U (en) | 2018-07-04 | 2018-07-04 | A kind of high pressure resistant explosion fracturing interlayer explosion propagation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821057011.3U CN208718636U (en) | 2018-07-04 | 2018-07-04 | A kind of high pressure resistant explosion fracturing interlayer explosion propagation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208718636U true CN208718636U (en) | 2019-04-09 |
Family
ID=65972817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821057011.3U Active CN208718636U (en) | 2018-07-04 | 2018-07-04 | A kind of high pressure resistant explosion fracturing interlayer explosion propagation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208718636U (en) |
-
2018
- 2018-07-04 CN CN201821057011.3U patent/CN208718636U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201318513Y (en) | Oil pipe high-pressure gas seal connection structure | |
| CN102518418B (en) | Unlimited layer fracturing process | |
| CN202628024U (en) | Hyperpressure packer device | |
| CN100410001C (en) | Production process of high strength self-sealing composite aluminium-plastic pipe union | |
| CN210660049U (en) | Secondary crack-making perforating gun for volume fracturing of vertical well of tight reservoir | |
| CN201090146Y (en) | Connecting apparatus for new type expansion tube | |
| CN108825589A (en) | A kind of downhole electric control is surged Bidirectional power device liquid oil pocket device | |
| CN202689965U (en) | Air-tight seal oil pipe threaded joint applied to high-temperature and high-pressure gas well | |
| CN208718636U (en) | A kind of high pressure resistant explosion fracturing interlayer explosion propagation device | |
| CN212774167U (en) | Non-vacuum heat insulation oil pipe | |
| CN208793861U (en) | A kind of flexible composite pipe pressure testing connector | |
| CN211502322U (en) | Pre-packaged storage module for storing high-pressure gas for long time | |
| CN110566167A (en) | Secondary crack-making perforating gun for volume fracturing of vertical well of tight reservoir | |
| CN210714497U (en) | Double-layer combined sleeve | |
| CN104975835B (en) | A kind of elastic pressure break ball seat | |
| CN201786324U (en) | Stainless steel high-temperature heat preserving and insulating connecting pipe | |
| CN206816238U (en) | A kind of igniting cabin for high pressure bridging plug setting tool | |
| CN106640782B (en) | It is a kind of from pressurized fuel tank device | |
| CN110906799B (en) | Filling detonation plug of liquid gas blasting tube | |
| CN203188922U (en) | Hermetic seal buckle profile | |
| CN201466660U (en) | Split type cable connection structure for oil gas exploitation intellect drill string adapter | |
| CN107448154A (en) | A kind of air-tight seal screw joint | |
| CN218062285U (en) | Small-volume low-pressure one-way valve for oil pipe transmission perforation | |
| CN105134093A (en) | Inner circulation and insulation oil sucking pipe | |
| CN1297727C (en) | Oil-gas well perforator interlayer gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |