CN106121595A - A kind of Oil/gas Well sleeve pipe screen cloth perforator - Google Patents
A kind of Oil/gas Well sleeve pipe screen cloth perforator Download PDFInfo
- Publication number
- CN106121595A CN106121595A CN201610674238.1A CN201610674238A CN106121595A CN 106121595 A CN106121595 A CN 106121595A CN 201610674238 A CN201610674238 A CN 201610674238A CN 106121595 A CN106121595 A CN 106121595A
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- oil
- perforator
- screen cloth
- gas well
- 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.)
- Pending
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 25
- 238000010304 firing Methods 0.000 claims abstract description 23
- 239000002360 explosive Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 9
- 238000011084 recovery Methods 0.000 abstract description 9
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
A kind of Oil/gas Well sleeve pipe screen cloth perforator, including gun housing, it is provided with firing mount in described gun housing, it is mounted in parallel by the some groups of transmitting systems being made up of perforating bullet on described firing mount, the each perforating bullet being with group transmitting arranges ringwise and its opening is all relative with the inwall of described gun housing, the opening end face of described perforating bullet is bar shaped, and the inwall of described gun housing offers bar shaped blind hole in the position corresponding with the opening of each described perforating bullet.The eyelet that the Oil/gas Well sleeve pipe screen cloth perforator of the present invention can be formed on sleeve pipe is bar shaped, can either increase drainage area, improves oil recovery efficiency, silt particle can be stoped again to flow out, and does not reduce the intensity of sleeve pipe simultaneously.
Description
Technical field
The present invention relates in oil-gas exploration and development technical field, particularly relate to a kind of Oil/gas Well sleeve pipe screen cloth perforator.
Background technology
Perforating job is link the most important in In Oil Field Exploration And Development, and the purpose of perforating job is to be shot through down-hole to close oil
The sleeve pipe of gas payzone, cement sheath also go deep into oil-gas Layer, form the fluid passage linking up pit shaft with layer of oil gas production.
Perforator of the prior art includes perforating gun and perforating bullet, the perforating bullet used when perforation penetrates sleeve pipe,
Sleeve pipe is formed a circular aperture.In order to improve production capacity and oil recovery efficiency, typically adopt big hole perforator and carried out perforation,
The diameter eyelet more than 18mm will be formed on sleeve pipe.For permeability preferably containing Flooding in Borehole, while recovering the oil, silt particle
Also by the annular space flowing to sleeve pipe, have impact on follow-up further oil-gas mining, recover the oil further must be by sleeve pipe
Silt particle clean out sleeve pipe, increase cost of winning, affect oil recovery efficiency.For reducing situation of shaking out, prior art has employing not
Add sleeve pipe and add the situation of screen casing, also have the way carrying out rock stone filling after using large aperture perforation to reduce and shake out.But these are two years old
Planting the relatively costly of operation, workload is big.
Therefore, how to invent and produce a kind of Oil/gas Well sleeve pipe screen cloth perforator, the eyelet formed can either increase
Drainage area, improves oil recovery efficiency, silt particle can be stoped again to flow out, and does not reduce the intensity of sleeve pipe simultaneously, is those skilled in the art
Technical problem urgently to be resolved hurrily.
Summary of the invention
The invention provides a kind of Oil/gas Well sleeve pipe screen cloth perforator, the eyelet formed can either increase earial drainage face
Long-pending, improve oil recovery efficiency, silt particle can be stoped again to flow out, do not reduce the intensity of sleeve pipe simultaneously.
The concrete technical scheme of the present invention is as follows:
A kind of Oil/gas Well sleeve pipe screen cloth perforator, including gun housing, is provided with firing mount in described gun housing, parallel on described firing mount
The some groups of transmitting systems being made up of perforating bullet are installed, with group launch system each perforating bullet arrange ringwise and its opening all with
The inwall of described gun housing is relative, and the opening end face of described perforating bullet is bar shaped, the inwall of described gun housing with each described perforation
The position that the opening of bullet is corresponding offers bar shaped blind hole.
As a further improvement on the present invention, described gun housing includes rifle head, the body of a gun and the gun breech being sequentially connected with, described rifle head
Threaded with the two ends of the body of a gun respectively with gun breech, and be respectively equipped with sealing ring in junction.
As a further improvement on the present invention, the two ends of described firing mount are respectively sleeved on spacing ring, and described spacing ring is fixed
On the inwall of the described body of a gun.
As a further improvement on the present invention, often the quantity of the perforating bullet that group launches system is equal and is aliquoted in described firing mount
Circumference is installed.
As a further improvement on the present invention, two adjacent groups is launched described perforating bullet offset angular corresponding in system and is arranged,
It is spaced two groups and launches described perforating bullet one_to_one corresponding setting corresponding in system.
As a further improvement on the present invention, the axis of described firing mount is provided with primacord, and each group launches the perforating bullet of system
Ignition end be all connected on described primacord.
As a further improvement on the present invention, described firing mount is equidistantly provided with 1 vertically in the length range of every 1 meter
～described in 22 groups, launch system.
As a further improvement on the present invention, described perforating bullet includes the shell case of V-groove shape and is arranged at the V within shell case
The cavity liner of type channel-shaped, is provided with explosive between described shell case and described cavity liner, the end face of the opening of described perforating bullet is bar
Shape, the end of igniting of described shell case is provided with the ignition hole for connecting primacord.
As a further improvement on the present invention, the quantity in described ignition hole is at least 2.
As a further improvement on the present invention, described shell case is being equipped with a circle projection on the outer wall of opening.
Beneficial effects of the present invention: the Oil/gas Well of present invention sleeve pipe screen cloth perforator, the eyelet formed is bar shaped, both
Drainage area can be increased, improve oil recovery efficiency, silt particle can be stoped again to flow out, not reduce the intensity of sleeve pipe simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of Oil/gas Well sleeve pipe screen cloth perforator of the present invention；
Fig. 2 is the structural representation of Oil/gas Well sleeve pipe screen cloth perforator of the present invention；
Fig. 3 is the structural representation of perforating bullet；
Fig. 4 is the structural representation of perforating bullet；
Fig. 5 is that sleeve pipe forms screen cloth expansion schematic diagram.
Detailed description of the invention
Because the problems of the prior art, the invention provides a kind of Oil/gas Well sleeve pipe screen cloth perforator, formed
Eyelet be bar shaped, can either increase drainage area, improve oil recovery efficiency, silt particle can be stoped again to flow out, while do not reduce sleeve pipe
Intensity.
In order to the technological thought of the present invention is expanded on further, in conjunction with concrete application scenarios, the technical side to the present invention
Case illustrates.
As it is shown in figure 1, propose the structural representation of a kind of Oil/gas Well sleeve pipe screen cloth perforator for the present invention, including gun housing
1, it is provided with firing mount 2 in described gun housing 1, described firing mount 2 being mounted in parallel by the some groups of transmittings being made up of perforating bullet 31 is 3, with
Group launch be 3 each perforating bullet 31 arrange ringwise and its opening is all relative with the inwall of described gun housing 1, described perforating bullet 31
Opening end face be bar shaped, the inwall of described gun housing 1 is offered in the position corresponding with the opening of each described perforating bullet 31
There is bar shaped blind hole 4.
Opening end face and the corresponding blind hole of the perforating bullet 31 of the present invention are bar shaped, therefore, are formed
Eyelet is bar shaped, can either increase drainage area, improves oil recovery efficiency, silt particle can be stoped again to flow out, and does not reduce sleeve pipe simultaneously
Intensity.
Described gun housing 1 includes rifle head 11, the body of a gun 12 and the gun breech 13 being sequentially connected with, described rifle head 11 and gun breech 13 respectively with
The two ends of the body of a gun 12 are threaded, and are respectively equipped with sealing ring 6 in junction.Can prevent before ignition by arranging sealing ring 6
Muddy water in well enters in gun housing 1.
The two ends of described firing mount 2 are respectively sleeved on spacing ring 7, and described spacing ring 7 is fixed on the inwall of the described body of a gun 12.
Firing mount 2 can be fixed in gun housing 1 by spacing ring 7, prevents gun rack 2 from radial and axial displacement occurring.
As shown in Figure 3 and Figure 4, described perforating bullet 31 includes the shell case 311 of V-groove shape and is arranged at the V within shell case 311
The cavity liner 312 of type channel-shaped, is provided with explosive 313 between described shell case 311 and described cavity liner 312, described shell case 311 is close
Being equipped with a circle projection 315 on the outer wall of opening, the end face of the opening of described perforating bullet 31 is bar shaped, described shell case 31
Igniting end and be provided with the ignition hole 314 for connecting primacord 5, the quantity in described ignition hole 314 is at least 2.
The projection 315 being arranged on the outer wall of described shell case 311 is for being connected in described firing mount 2 by described perforating bullet 31
On.The end face width of the opening of usual described perforating bullet 31 is less than 4mm, a length of 46mm, and length can be entered according to actual needs
Row sum-equal matrix.The quantity in usual described ignition hole 314 is 3, can be multiple by arranging according to the length adjustment quantity of perforating bullet 31
Ignite hole 314 and can ensure that explosive 313 is detonated the most simultaneously.Explosive 313 produces high-energy shock wave, by cavity liner after being detonated
312 and blind hole 4 smash, and on sleeve pipe formed bar hole.
The axis of described firing mount 2 is provided with primacord 5, and the ignition end that each group launches the perforating bullet 31 being 3 is all connected to institute
State on primacord 5.
As in figure 2 it is shown, the opening of the perforating bullet 31 of the present invention is all towards gun housing 1, the ignition end of perforating bullet 31 is directed to
The axis of firing mount 2, same transmitting be 3 each perforating bullet 31 arrange ringwise, this kind of arrangement can save the length of primacord 6
Degree, simplifies the mounting means of primacord 6, and can to ignite same transmitting be each perforating bullet 31 of 3 simultaneously.
Often group launch be 3 the quantity of perforating bullet 31 equal and be aliquoted in the installation circumference of described firing mount 2.Two adjacent groups is sent out
Penetrating is that described perforating bullet 31 offset angular corresponding in 3 is arranged, be spaced two groups and launch be described perforating bullet 31 corresponding in 3 one by one
It is correspondingly arranged.It is 3 that described firing mount 2 is equidistantly provided with transmitting described in 1～22 group vertically in the length range of every 1 meter.
Usual each transmitting be 3 installation circumference be provided with 3 pieces of perforating bullets 31, be evenly distributed along 120 degree, two adjacent groups launch
The described perforating bullet 31 being corresponding in 3 staggers 60 degree of angles, is evenly arranged 16 and launches system in usual each meter of length.Such as Fig. 5 institute
Show, by above-mentioned arrangement, 48 equally distributed eyelets can be formed on the sleeve pipe in every 1 meter of length.
In sum, the Oil/gas Well of present invention sleeve pipe screen cloth perforator, the eyelet formed is bar shaped, can either increase
Drainage area, improves oil recovery efficiency, silt particle can be stoped again to flow out, and does not reduce the intensity of sleeve pipe simultaneously.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. an Oil/gas Well sleeve pipe screen cloth perforator, including gun housing (1), it is characterised in that described gun housing is provided with firing mount in (1)
(2), described firing mount (2) is mounted in parallel the some groups of transmitting systems (3) being made up of perforating bullet (31), launches system (3) with group
Each perforating bullet (31) is arranged ringwise and its opening is all relative with the inwall of described gun housing (1), opening of described perforating bullet (31)
Mouth end end face is bar shaped, and the inwall of described gun housing (1) is offered in the position corresponding with the opening of each described perforating bullet (31)
There is bar shaped blind hole (4).
2. Oil/gas Well sleeve pipe screen cloth perforator as claimed in claim 1, it is characterised in that described gun housing (1) includes successively
Rifle head (11), the body of a gun (12) and the gun breech (13) connected, described rifle head (11) and gun breech (13) respectively with the two ends of the body of a gun (12)
Threaded, and sealing ring (6) it is respectively equipped with in junction.
3. Oil/gas Well sleeve pipe screen cloth perforator as claimed in claim 2, it is characterised in that the two ends of described firing mount (2) are divided
Not being socketed with spacing ring (7), described spacing ring (7) is fixed on the inwall of the described body of a gun (12).
4. Oil/gas Well sleeve pipe screen cloth perforator as claimed in claim 1, it is characterised in that often group launches the perforation of system (3)
The quantity of bullet (31) is equal and is aliquoted in the installation circumference of described firing mount (2).
5. Oil/gas Well sleeve pipe screen cloth perforator as claimed in claim 4, it is characterised in that two adjacent groups is launched in system (3)
Corresponding described perforating bullet (31) offset angular is arranged, and is spaced two groups and launches described perforating bullet (31) corresponding in system (3) one by one
It is correspondingly arranged.
6. Oil/gas Well sleeve pipe screen cloth perforator as claimed in claim 1, it is characterised in that the axis of described firing mount (2)
Being provided with primacord (5), the ignition end of the perforating bullet (31) that each group launches system (3) is all connected on described primacord (5).
7. Oil/gas Well sleeve pipe screen cloth perforator as claimed in claim 1, it is characterised in that described firing mount (2) exists vertically
Equidistantly it is provided with in the length range of every 1 meter described in 1～22 group and launches system (3).
8. Oil/gas Well sleeve pipe screen cloth perforator as claimed in claim 6, it is characterised in that described perforating bullet (31) includes V
The shell case (311) of type channel-shaped and be arranged at the cavity liner (312) of the internal V-groove shape of shell case (311), described shell case (311) and
Being provided with explosive (313) between described cavity liner (312), the end face of the opening of described perforating bullet (31) is bar shaped, described shell case
(31) ignition end is provided with the ignition hole (314) for connecting primacord (5).
9. Oil/gas Well sleeve pipe screen cloth perforator as claimed in claim 8, it is characterised in that the number of described ignition hole (314)
Amount at least 2.
10. Oil/gas Well sleeve pipe screen cloth perforator as claimed in claim 8, it is characterised in that described shell case (311) is close
A circle it is equipped with protruding (315) on the outer wall of opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610674238.1A CN106121595A (en) | 2016-08-16 | 2016-08-16 | A kind of Oil/gas Well sleeve pipe screen cloth perforator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610674238.1A CN106121595A (en) | 2016-08-16 | 2016-08-16 | A kind of Oil/gas Well sleeve pipe screen cloth perforator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106121595A true CN106121595A (en) | 2016-11-16 |
Family
ID=57259100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610674238.1A Pending CN106121595A (en) | 2016-08-16 | 2016-08-16 | A kind of Oil/gas Well sleeve pipe screen cloth perforator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106121595A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111133170A (en) * | 2017-08-02 | 2020-05-08 | 地球动力学公司 | High density cluster based perforation system and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202209165U (en) * | 2011-09-13 | 2012-05-02 | 中国石油天然气集团公司 | Novel composite perforating gun with blind hole |
| CN102996104A (en) * | 2012-11-30 | 2013-03-27 | 中国石油天然气股份有限公司 | Horizontal well fixed face perforating method and device |
| WO2013090647A1 (en) * | 2011-12-15 | 2013-06-20 | Tong Oil Tools Co., Ltd. | Composite perforating device with scallops on the inner wall |
| CN203420687U (en) * | 2013-07-04 | 2014-02-05 | 中国石油天然气股份有限公司 | Directional perforating device for vertical well and fixed angle tool |
| CN204212749U (en) * | 2014-10-21 | 2015-03-18 | 中国石油天然气股份有限公司 | Synergistic composite perforating gun |
| CN204804791U (en) * | 2015-06-23 | 2015-11-25 | 西安方元能源工程有限责任公司 | Decide face perforation rifle |
| GB2531450A (en) * | 2013-07-18 | 2016-04-20 | Dynaenergetics Gmbh & Co Kg | Perforation gun components and system |
-
2016
- 2016-08-16 CN CN201610674238.1A patent/CN106121595A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202209165U (en) * | 2011-09-13 | 2012-05-02 | 中国石油天然气集团公司 | Novel composite perforating gun with blind hole |
| WO2013090647A1 (en) * | 2011-12-15 | 2013-06-20 | Tong Oil Tools Co., Ltd. | Composite perforating device with scallops on the inner wall |
| CN102996104A (en) * | 2012-11-30 | 2013-03-27 | 中国石油天然气股份有限公司 | Horizontal well fixed face perforating method and device |
| CN203420687U (en) * | 2013-07-04 | 2014-02-05 | 中国石油天然气股份有限公司 | Directional perforating device for vertical well and fixed angle tool |
| GB2531450A (en) * | 2013-07-18 | 2016-04-20 | Dynaenergetics Gmbh & Co Kg | Perforation gun components and system |
| CN204212749U (en) * | 2014-10-21 | 2015-03-18 | 中国石油天然气股份有限公司 | Synergistic composite perforating gun |
| CN204804791U (en) * | 2015-06-23 | 2015-11-25 | 西安方元能源工程有限责任公司 | Decide face perforation rifle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111133170A (en) * | 2017-08-02 | 2020-05-08 | 地球动力学公司 | High density cluster based perforation system and method |
| US11187062B2 (en) | 2017-08-02 | 2021-11-30 | Geodynamics, Inc. | High density cluster based perforating system and method |
| US11719077B2 (en) | 2017-08-02 | 2023-08-08 | Geodynamics, Inc. | High density cluster based perforating system and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |