CN104533355B - Horizontal well pumping can publish oriented perforating attachment means - Google Patents
Horizontal well pumping can publish oriented perforating attachment means Download PDFInfo
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- CN104533355B CN104533355B CN201410820505.2A CN201410820505A CN104533355B CN 104533355 B CN104533355 B CN 104533355B CN 201410820505 A CN201410820505 A CN 201410820505A CN 104533355 B CN104533355 B CN 104533355B
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- horizontal well
- attachment means
- publish
- perforating
- pressure switch
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- 238000005086 pumping Methods 0.000 title claims abstract description 39
- 230000009172 bursting Effects 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 claims description 40
- 230000037452 priming Effects 0.000 claims description 33
- 238000005474 detonation Methods 0.000 claims description 14
- 239000012212 insulator Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 67
- 229910052802 copper Inorganic materials 0.000 description 62
- 239000010949 copper Substances 0.000 description 62
- 229910000906 Bronze Inorganic materials 0.000 description 23
- 239000010974 bronze Substances 0.000 description 23
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 23
- 238000010304 firing Methods 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 230000002687 intercalation Effects 0.000 description 10
- 238000009830 intercalation Methods 0.000 description 10
- 206010041662 Splinter Diseases 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 210000002615 epidermis Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000222712 Kinetoplastida Species 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000012546 transfer Methods 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
-
- 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
- E21B43/1185—Ignition systems
-
- 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
- E21B43/119—Details, e.g. for locating perforating place or direction
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)
- Fuses (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The present invention provides a kind of horizontal well pumping and can publish oriented perforating attachment means, it is provided with a hollow body, it includes a top connection and a lower contact, the lower end of top connection is socketed on the upper end of lower contact, its upper end port is fixed with a upper bearing (metal), it is embedded to be positioned with upper bearing (metal) and ring body is rotated on one, a lower bearing is fixed with the lower end port of lower contact, it is embedded to be fixed with lower bearing and rotates ring body, a pressure switch is provided with the inner chamber of top connection, the upper end of pressure switch is protruded out in rotation ring body, one apparatus to cause bursting is installed in lower contact inner chamber, it is connected by wire between the upper end of apparatus to cause bursting and the lower end of pressure switch, the side wall of top connection is additionally provided with a mounting hole, mounting hole is provided with a blanking cover.Horizontal well pumping of the invention can publish oriented perforating attachment means, be connected by with perforating gun, can realize each branch perforating gun that detonated with time interval in order, reduce the influence of fracture trend.
Description
Technical field
The invention belongs to oil exploration and development fields, it is related to a kind of horizontal well pumping to publish oriented perforating attachment means.
Background technology
In oil field development, the densification oil-gas reservoir of shale gas, coal bed gas and extra-low permeability is typically referred to as unconventionaloil pool
Hide, the permeability of this kind of oil and gas reservoir is general all extremely low, is difficult to exploit using the technical measures of conventional oil gas field development.Current state
Inside and outside most common method can be just obtained using carrying out segmentation hydraulic fracturing (or volume fracturing) after horizontal well drilling and perforation
Obtain industrial production capacity.
Wherein, it is that exploitation unconventionaloil pool Tibetan is adopted both at home and abroad at present that staged fracturing of horizontal well pumps optional launch hole technology
One main perforating technology.In perforating job when hydraulic fracturing is coordinated, often require that perforation direction will be split with pressure break
The trend of seam is as far as possible consistent, so can not only improve pressure break efficiency, while the extension with induced fractures crack can be controlled
Direction, it is to avoid cause seam net system perfecting degree poor because string layer and crack intersect, finally improve reservoir productivity.And in use
It was found that, due to the fracture pattern after conventional perforation generally can not manual control, and jet perforating is typically using in perforating gun
Helical fashion arrangement perforating bullet on firing mount, after perforation, forms multiple eyelets that helical form is uniformly arranged on shaft sleeve tube wall,
And a plurality of perforation tunnel is formed in stratum, eyelet and duct do not have specific direction, and which cannot realize perforator on stratum
It is middle to carry out perforating job to specific direction, easily because of horizontal well pit shaft direction and the relation in minimum principal stress orientation, cause counterincision
Seam trend has a negative impact；Perforating gun string is operationally detonation simultaneously, does not have time interval, and perforating effect is bad, no
Beneficial to generation and extension to underground crackle.
In view of this, the present inventor develops one according to the production design experiences for being engaged in this area and association area for many years
Planting horizontal well pumping can publish oriented perforating attachment means, to solve the problems, such as prior art.
The content of the invention
It is to provide a kind of pumping of horizontal well to publish oriented perforating attachment means that the purpose of the present invention is, by with perforation
Rifle is connected, and can realize each branch perforating gun that detonated with time interval in order, and reducing horizontal well pit shaft direction should with minimum master
The influence of the relation pair fracture strike in power orientation.
Therefore, the present invention proposes that a kind of horizontal well pumping can publish oriented perforating attachment means, it is provided with a hollow sheet
Body, it includes a top connection and a lower contact, and the lower end of the top connection is socketed on the upper end of the lower contact, its upper end end
A upper bearing (metal) is fixed with mouthful, is embedded to be positioned with the upper bearing (metal) ring body is rotated on one, at the lower end port of the lower contact
A lower bearing is fixed with, is embedded to be fixed with the lower bearing and is rotated ring body, a pressure is provided with the inner chamber of the top connection
Power is switched, and the upper end of the pressure switch is protruded out in the upper rotation ring body, and an ignition is provided with the lower contact inner chamber
Device, the side wall of the top connection is additionally provided with a mounting hole, and the mounting hole is provided with a blanking cover；
Wherein, the apparatus to cause bursting is included：
One detonation portion, the detonation portion is provided with a supporting body and an electric conductor, and the supporting body is screwed onto the lower contact
In, a priming device and one first detonating primer are from top to bottom embedded with its central passage successively, the priming device passes through one
Screw is fixed in the supporting body, and the supporting body is additionally provided with an axially extending bore in the side adjacent to the central passage,
The electric conductor is embedded in the axially extending bore, wherein, one end of the electric conductor and the upper end of priming device are distinguished
It is connected with the pressure switch by the wire；
One leads quick-fried portion, includes one second detonating primer and a pillar, and the lower upper end for rotating ring body is towards the lower contact
Inner chamber in extend be formed with an outer segment, second detonating primer and pillar are from top to bottom sequentially placed in the outer segment
Interior, the upper end of second detonating primer is adjacent with the lower end of first detonating primer, and its lower end is adjacent with the upper end of the pillar.
Horizontal well pumping as described above can publish oriented perforating attachment means, wherein, it is described to lead quick-fried portion and be further provided with
One ring-shaped conductor and an insulator, the ring-shaped conductor and insulator are from top to bottom arranged and are fixed on the outer segment upper end successively
At head, the upper end of the ring-shaped conductor is in contact with the other end of the electric conductor, and its lower end is connected with rear side wire, described exhausted
Edge body is provided with axial hole, and the rear side wire stretches into institute by the wire guide on the axial hole and outer segment side wall
In stating the inner chamber of outer segment.
Horizontal well pumping as described above can publish oriented perforating attachment means, wherein, the electric conductor is that a sealing connects
Terminal, the priming device is a detonator.
The present invention also proposes that a kind of horizontal well pumping can publish oriented perforating attachment means, and it is provided with a hollow body,
The two ends port of the body is respectively fixed with a bearing, at bearing described in two correspondence be embedded be fixed with one rotate ring body and
Ring body is once rotated, from top to bottom interval is provided with a pressure switch and an apparatus to cause bursting, the pressure in the inner chamber of the body
The upper end of power switch is protruded out in the upper rotation ring body, is connected by wire between its rear end and the front end of the apparatus to cause bursting
Connect, the side wall of the body is additionally provided with a mounting hole, and the mounting hole is provided with a blanking cover.
Horizontal well pumping as described above can publish oriented perforating attachment means, wherein, the apparatus to cause bursting includes one
Slip ring assembly, the slip ring assembly is connected to a fixed with the madial wall of the body, and its upper end is by the wire and the pressure
Power switch is connected, and its lower end is connected by conductive leads with a priming device, and the priming device is adjacent to the lower company
The downside of ring body is connect, the priming device is a detonator.
Horizontal well pumping as described above can publish oriented perforating attachment means, wherein, the slip ring assembly includes one
Carbon brush and a rotor, axially spaced being embedded of the lateral surface of the rotor are fixed with copper ring, and the bottom surface of the carbon brush is downward
Two copper sheets are additionally provided with, between the lower end of copper sheet described in two, copper sheet described in two is corresponded to and described turn the rotor support
Two copper rings of kinetoplast are in contact, wherein, the carbon brush is fixed by screws in the inner chamber of the body, and the pressure switch is led to
Cross the wire to be connected with copper sheet described in two and the carbon brush respectively, two copper rings of the rotor are led by described
Line is connected with the priming device.
Horizontal well pumping as described above can publish oriented perforating attachment means, wherein, the apparatus to cause bursting includes one
Insulating base frame, an electric conductor and a multi-pin connector, the insulating base frame are fixed in the inner chamber of the body, and the electric conductor is embedding
If being fixed in the lower swivel becket body, the multi-pin connector is then arranged on the insulating base frame, and its upper end is led by described
Line is connected with the pressure switch, and its lower end is in contact with one end of the electric conductor, and the other end of the electric conductor passes through
Conductive leads are connected with a priming device, downside of the priming device adjacent to the lower connection ring body.
Horizontal well pumping as described above can publish oriented perforating attachment means, wherein, the multi-pin connector is included:
Intercalation part, the intercalation part is provided with a copper post body, and the epimere of the copper post body is arranged one first rubber-covered pad, its
Lower end is expanding to form a tip side, and a middle copper sheathing is arranged with the outside of the first rubber-covered pad, the middle copper sheathing
Epimere is arranged with one second rubber-covered pad, and an outer copper sheathing, the outer copper sheathing are arranged with the outside of the second rubber-covered pad
Upper end outside be equipped with a rubber sleave, a ring-shaped rubber pad, the ring-shaped rubber cushion cover are placed with the rubber sleave
It is located at the upper end of the copper post body, and correspondence pressure is located at the first rubber-covered pad, middle copper sheathing, the second rubber-covered pad
And the upper surface of outer copper sheathing, the ring-shaped rubber pad is connected by jump ring with the copper post body phase, and cementing fixation, the ring
Shape rubber blanket is provided with two cable-through holes vertically, and the upper end of the copper post body, middle copper sheathing and outer copper sheathing passes through the wire respectively
It is connected with the pressure switch；
Receptacle portion, it is provided with a copper sleeve, and the upper end of the copper sleeve is formed with a projection, one is arranged with the projection
Rubber-covered pad, the rubber-covered pad outside is from top to bottom arranged with one first copper splinter and the second copper splinter successively, described
First copper splinter is vertically upwardly extended and is formed with the first bronze medal leg, and second copper splinter is vertically upwardly extended and is formed with one
Second bronze medal leg, the first bronze medal leg and the second bronze medal leg are in be oppositely arranged, and both length vertically are different, wherein,
The receptacle portion is arranged on the insulating base frame, and the lower end of the intercalation part is plugged on the first bronze medal leg and the second bronze medal branch
Between pin, the tip side of the copper post body is in contact with the projection, the lateral surface of the middle copper sheathing and the first bronze medal branch
Pin is in contact, and the lateral surface of the outer copper sheathing is in contact with the second bronze medal leg, described electric conductor one end correspondence and described the
One bronze medal leg, the second bronze medal leg and copper sleeve electrical connection, its other end are connected by the conductive leads with the priming device
Connect, the other end of the electric conductor is also associated with a rear side wire.
Horizontal well pumping as described above can publish oriented perforating attachment means, wherein, the electric conductor is that a multicore is close
Sealing-in terminal, the priming device is a detonator.
The horizontal well pumping that the present invention is provided can publish oriented perforating attachment means, be connected by with perforating gun, and shape
Into perforating gun string, positioned step by step at the predetermined different depth in underground, the ground control panel of well head is recycled, according to perforating gun
The design firing order of string, by cable to downhole hardware provide opposed polarity voltage, realize perforating gun string by foremost to
The orderliness detonation of rear end：Lighted a fire since the perforating gun of the top, the pressure switch set by the present invention is made adjacent next
Perforating gun rifle is in arm-to-arm, and mis-ignition will not occur, it is ensured that multi-openings rifle successively different depth in order and
Time interval ground igniting perforation, finally play out cable carries out hydraulic fracturing again, and circulation successively can be completed to whole horizontal interval
Segmenting perforating and pressure break.
Horizontal well of the invention pumping can publish oriented perforating attachment means, by its two ends rotate up and down ring body with
The firing mount of adjacent two perforating gun is connected, and when rotating perforating gun gun body in horizontal well, the firing mount in perforating gun is in itself counterweight
Under the Action of Gravity Field of block, the rotation holding position relative to perforating gun is constant, is conveniently adjusted the bullet hole position of perforating gun gun body, with
Perforation is oriented, reduces the adverse effect in horizontal well pit shaft direction and the relation pair fracture strike in minimum principal stress orientation；It is logical
Cross and once go into the well, perforating job of regularly repeatedly being detonated to stratum is breached in a rifle string to perforating gun number
Limitation, can connect any number of perforating guns in the range of cable load.
Brief description of the drawings
The following drawings is only intended to, in schematic illustration and explanation is done to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the composition structural representation () that horizontal well pumping of the invention can publish oriented perforating attachment means.
Fig. 2 is the composition structural representation (two) that horizontal well pumping of the invention can publish oriented perforating attachment means.
Fig. 3 is the composition schematic diagram of slip ring assembly in Fig. 2.
Fig. 4 is the schematic side view of slip ring assembly in Fig. 2.
Fig. 5 is the composition structural representation (three) that horizontal well pumping of the invention can publish oriented perforating attachment means.
Fig. 6 is the composition schematic diagram of the intercalation part of multi-pin connector in Fig. 5.
Fig. 7 is the composition schematic diagram of the receptacle portion of multi-pin connector in Fig. 5.
Main element label declaration：
1 ', 1 body 1a top connections
10a upper bearing (metal) 1b lower contacts
The bearing of 10b lower bearings 10 '
On 11 ', 11 ring body is rotated under rotation ring body 12,12 '
The mounting hole 13 of 120 outer segment 13 '
14th, 14 ' blanking cover
2nd, 2 ' pressure switch
The supporting body of 3 apparatus to cause bursting 31
The axially extending bore of 310 central passage 311
The priming device of 32 electric conductor 33
The detonating primer of 331 screw 34 first
The insulator of 35 ring-shaped conductor 36
The pillar of 37 second detonating primer 38
39 rear side wires 4,4 ' wires
The conductive leads of 5 slip ring assembly 501
The carbon brush of 502 priming device 51
The rotor of 511 copper sheet 52
521 copper rings
The electric conductor of 61 insulating base frame 62
The intercalation part of 621 rear side wire 63
The tip side of 631 copper post body 6311
The middle copper sheathing of 632 first rubber-covered pad 633
The outer copper sheathing of 634 second rubber-covered pad 635
The ring-shaped rubber pad of 636 rubber sleave 637
The jump ring of 6371 cable-through hole 638
The projection of 641 copper sleeve 6411
The copper splinter of 642 rubber-covered pad 643 first
The copper splinter of 6431 first bronze medal leg 644 second
The priming device of 6441 second bronze medal leg 65
71st, 72 perforating guns 711,721 gun bodies
712nd, 722 firing mounts 713,723 primacords
Specific embodiment
The present invention provides a kind of horizontal well pumping and can publish oriented perforating attachment means, and it is provided with a hollow body, its
A top connection and a lower contact are included, the lower end of the top connection is socketed on the upper end of the lower contact, its upper end port
A upper bearing (metal) is fixed with, is embedded to be positioned with the upper bearing (metal) ring body is rotated on one, fixed at the lower end port of the lower contact
There is a lower bearing, be embedded to be fixed with the lower bearing and rotate ring body, a pressure is provided with the inner chamber of the top connection and is opened
Close, the upper end of the pressure switch is protruded out in the upper rotation ring body, and an apparatus to cause bursting is provided with the lower contact inner chamber,
It is connected by wire between the upper end of the apparatus to cause bursting and the lower end of the pressure switch, the side wall of the top connection separately sets
There is a mounting hole, the mounting hole is provided with a blanking cover.
Horizontal well pumping of the invention can publish oriented perforating attachment means, be connected by with perforating gun, can realize pressing
Order and each branch perforating gun of time interval ground detonation, reduce the relation fracture in horizontal well pit shaft direction and minimum principal stress orientation
The influence of trend.
In order to be more clearly understood to technical characteristic of the invention, purpose and effect, below in conjunction with accompanying drawing and preferably
Embodiment, specific embodiment, structure, the feature of oriented perforating attachment means can be published to horizontal well proposed by the present invention pumping
And effect, describe in detail as after.In addition, the explanation for passing through specific embodiment, when can be to the present invention to reach predetermined purpose institute
The technological means and effect taken are able to more deeply specific understanding, but institute's accompanying drawing is only to provide with reference to and illustrates to use, and
It is non-for being any limitation as to the present invention.Wherein, identical part uses identical label.
Implementation method one
Fig. 1 is the composition structural representation () that horizontal well pumping of the invention can publish oriented perforating attachment means.
As shown in figure 1, horizontal well pumping proposed by the present invention can publish oriented perforating attachment means, it is hollow that it is provided with one
Body 1, it includes a top connection 1a and the lower end of lower contact a 1b, the top connection 1a is socketed on the upper of the lower contact 1b
End, its upper end port is fixed with a upper bearing (metal) 10a, is embedded at the upper bearing (metal) 10a and is positioned with rotation ring body 11 on, described
A lower bearing 10b is fixed with the lower end port of lower contact 1b, is embedded to be fixed with the lower bearing 10a and is rotated ring body
12, a pressure switch 2 is provided with the inner chamber of the top connection 1a, the upper end of the pressure switch 2 protrudes out to the upper swivel becket
In body 11, an apparatus to cause bursting 3, the upper end of the apparatus to cause bursting 3 and the pressure switch 2 are installed in the lower contact 1b inner chambers
Lower end between be connected by wire 4, the side wall of the top connection 1a is additionally provided with a mounting hole 13, is set on the mounting hole 13
There is a blanking cover 14.
As shown in figure 1, when the body 1 is arranged between two perforating guns 71,72, the top connection 1a upper ends with wherein
The gun body 711 of perforating gun 71 described in is connected, the firing mount 712 in upper upper end and the perforating gun 71 for rotating ring body 11
Connect, the lower contact 1b lower ends are connected with the gun body 721 of another perforating gun 72, the lower lower end for rotating ring body 12
Firing mount 722 with another perforating gun 72 is connected, the wire in the upper end of the pressure switch 2 and the perforating gun 71
713 are connected, and the lower end of the apparatus to cause bursting 3 is then connected with the primacord 723 in another perforating gun 72.In work
When, after perforating gun 71 detonates, liquid enters in perforating gun 71, promotes pressure switch 2, makes pressure switch 2 realize shifting, and
Conducting is realized under the operation of hydraulic coupling, for the detonation of follow-up perforating gun 72 provides condition.When need underground rotate perforating gun with
When changing perforation direction, by rotating ring body 11, lower rotation ring body 12 in setting, make the firing mount in perforating gun in itself balancing weight
Action of Gravity Field under, the rotation holding position relative to perforating gun is constant.
As shown in figure 1, the apparatus to cause bursting 3 includes a detonation portion and one leads quick-fried portion, the detonation portion is provided with a carrying
The electric conductor 32 of body 31 and, the supporting body 31 is screwed onto in the lower contact 1b, in its central passage 310 from top to bottom successively
A priming device 33 and one first detonating primer 34 are embedded with, the priming device 33 is fixed on the carrying by a screw 331
In body 31, the supporting body 31 is additionally provided with an axially extending bore 311, the conduction in the side adjacent to the central passage 310
Body 32 is embedded in the axially extending bore 311, wherein, one end of the electric conductor 32 and the upper end of priming device 33 are distinguished
It is connected with the pressure switch 2 by the wire 4；
Described to lead quick-fried portion and include one second detonating primer 37 and a pillar 38, the lower upper end for rotating ring body 12 is towards described
Extend in the inner chamber of lower contact 1b and be formed with an outer segment 120, second detonating primer 37 and pillar 38 are from top to bottom put successively
It is placed in the outer segment 120, the upper end of second detonating primer 37 is adjacent with the lower end of first detonating primer 34, its lower end
Upper end with the pillar 38 is adjacent.
Further, it is described to lead quick-fried portion and be further provided with a ring-shaped conductor 35 and an insulator 36, the ring-shaped conductor 35
And insulator 36 is from top to bottom arranged and is fixed at the upper end of the outer segment 120 successively, the upper end of the ring-shaped conductor 35 with
The other end of the electric conductor 32 is in contact, and its lower end is connected with rear side wire 39, and the insulator 36 is provided with axial hole
361, the rear side wire 39 is stretched into described by the wire guide 121 on the axial hole 361 and the side wall of the outer segment 120
In the inner chamber of outer segment 120.Wherein, preferably described electric conductor 32 is a sealed wiring post, single sealing is preferably in figure and is connect
Terminal, the priming device 33 is a detonator.It is noted that the pressure switch 2, sealed wiring post and detonator are existing skill
Art, structure, operation principle and using method etc. is constituted to it and be will not be repeated here.In real work, when multistage this hair of setting
When bright horizontal well pumping can publish oriented perforating attachment means, by the use of the rear side wire 39 as through line, by described
Electric conductor 32 and rear side wire 39, can be used to connect the pressure switch of upper level pressure switch 2 and next stage.
Horizontal well pumping proposed by the present invention can publish oriented perforating attachment means, in real work, be disposed on two
When between perforating gun 71,72, it is connected with the gun body 711 of perforating gun 71 by top connection 1a upper ends, it is upper to rotate the upper of ring body 11
End connects with the firing mount 712 in perforating gun 71, and lower contact 1b lower ends are connected with the gun body 721 of perforating gun 72, lower rotation ring body
12 lower end is connected with the firing mount 722 of perforating gun 72, and the upper end of pressure switch 2 is connected with the primacord 713 in perforating gun 71
Connect, the lower end of the second detonating primer 37 in the apparatus to cause bursting 3 is then connected with the primacord 723 in perforating gun 72, and this leads quick-fried
Rope 723 is arranged in the pillar 38, plays the purpose for preventing primacord from shifting；
Said apparatus are gone into the well by cable transfer, and using the ground control panel of well head, it is underground to control cable
Perforating gun 71 provides the voltage of opposed polarity, realizes that (operation principle and process are existing for the detonation perforating job of perforating gun 71
Technology, will not be repeated here), now, the pressure switch 2 in the present invention is still off；After perforating gun 71 detonates, liquid
Body is entered in perforating gun 71 by underground through perforation on the borehole wall, promotes pressure switch 2, pressure switch 2 is realized displacement, and be in
Conducting state, then, voltage is provided by ground control panel, you can is carried out the detonation work of perforating gun 72, i.e., is lighted first
Priming device (detonator) in the present invention, and by the primacord of the first detonating primer, the second detonating primer and perforating gun 72, ignite
Perforating bullet in perforating gun 72 on firing mount, carries out perforating job.
Wherein, in use, when the actual conditions according to down-hole horizontal well shaft direction and minimum principal stress orientation,
When rotating perforating gun gun body in horizontal well, by the firing mount of two perforating guns correspondence with rotate up and down ring body and be connected, make perforation
Under the Action of Gravity Field of itself balancing weight, the rotation holding position relative to perforating gun is constant, is conveniently adjusted and penetrates for firing mount in rifle
The bullet hole position of hole rifle gun body, to be oriented perforation, reduces the relation pair in horizontal well pit shaft direction and minimum principal stress orientation
The adverse effect of fracture strike.
Implementation method two
Fig. 2 is the composition structural representation (two) that horizontal well pumping of the invention can publish oriented perforating attachment means.Fig. 3
It is the composition schematic diagram of slip ring assembly in Fig. 2.Fig. 4 is the schematic side view of slip ring assembly in Fig. 2.
As shown in Fig. 2 horizontal well pumping proposed by the present invention can publish oriented perforating attachment means, it is hollow that it is provided with one
Body 1 ', the two ends port of the body 1 ' is respectively fixed with a bearing 10 ', and the place of bearing 10 ' correspondence is embedded fixation described in two
Have on one and rotate ring body 11 ' and once rotate ring body 12 ', from top to bottom interval is provided with a pressure in the inner chamber of the body 1 '
Switch 2 ' and an apparatus to cause bursting, the upper end of the pressure switch 2 ' are protruded out in the upper rotation ring body 11 ', its rear end with it is described
It is connected by wire 4 ' between the front end of apparatus to cause bursting, the side wall of the body 1 ' is additionally provided with a mounting hole 13 ', the installation
Hole 13 ' is provided with a blanking cover 14 '.
Wherein, the apparatus to cause bursting includes a slip ring assembly 5, the madial wall of the slip ring assembly 5 and the body 1 '
Be connected to a fixed, its upper end is connected by the wire 4 ' with the pressure switch 2 ', its lower end by conductive leads 501 with
One priming device 502 is connected, and the priming device 52 is adjacent to the lower downside for connecting ring body 12 ', the priming device
502 is a detonator.By setting the slip ring assembly, when rifle series winding connects, it is avoided that rotation occurs in wire, knots, prevents from leading
Line is extruded there is epidermis fracture, causes short circuit phenomenon.
As shown in Figure 3, Figure 4, the slip ring assembly 5 includes a carbon brush 51 and a rotor 52, the rotor 52
Axially spaced being embedded of lateral surface is fixed with copper ring 521, and the bottom surface of the carbon brush 51 is additionally provided with two copper sheets 511 downwards, described
Between the lower end of copper sheet described in two 511, copper sheet 511 described in two corresponds to two bronze medals with the rotor 52 to the support of rotor 52
Ring 521 is in contact, wherein, the carbon brush 51 is fixed by screws in the inner chamber of the body 1, and the pressure switch 2 ' passes through
The wire 4 ' is connected with copper sheet described in two 511 and the carbon brush 51 respectively, makes the wire being connected on the carbon brush 51
4 ' is for ground wire and standby through line, and two copper rings 521 of the rotor 52 are by the conductive leads 501 and the detonation dress
52 are put to be connected.Wherein, in real work, the slip ring assembly is identical with existing slip ring operation principle and method of work,
This is repeated no more.
Horizontal well pumping proposed by the present invention can publish oriented perforating attachment means, in real work, be disposed on two
When between perforating gun 71,72, its connected mode is roughly the same with embodiment one, and therefore not to repeat here, wherein, the present embodiment and reality
It is that priming device 502 is positioned in perforating gun 72 that the difference for applying example one is, after rifle to be perforated 71 detonates, pressure is opened
Close 2 ' to turn on, and by slip ring assembly 5, wire 4 ' and priming device 502, the primacord in perforating gun 72 is ignited perforating bullet,
And then realize perforating job.
Implementation method three
Fig. 5 is the composition structural representation (three) that horizontal well pumping of the invention can publish oriented perforating attachment means.Fig. 6
It is the composition schematic diagram of the intercalation part of multi-pin connector in Fig. 5.Fig. 7 is the composition schematic diagram of the receptacle portion of multi-pin connector in Fig. 5.
As shown in figure 5, horizontal well pumping proposed by the present invention can publish oriented perforating attachment means, it is hollow that it is provided with one
Body 1 ', the two ends port of the body 1 ' is respectively fixed with a bearing 10 ', and the place of bearing 10 ' correspondence is embedded fixation described in two
Have on one and rotate ring body 11 ' and once rotate ring body 12 ', from top to bottom interval is provided with a pressure in the inner chamber of the body 1 '
Switch 2 ' and an apparatus to cause bursting, the upper end of the pressure switch 2 ' are protruded out in the upper rotation ring body 11 ', its rear end with it is described
It is connected by wire 4 ' between the front end of apparatus to cause bursting, the side wall of the body 1 ' is additionally provided with a mounting hole 13 ', the installation
Hole 13 ' is provided with a blanking cover 14 '.
Wherein, the apparatus to cause bursting includes an insulating base frame 61, an electric conductor 62 and a multi-pin connector, the insulating base
Body 61 is fixed in the inner chamber of the body 1 ', and the electric conductor 62 is embedded in the lower rotation ring body 12 ', described many
Core plug is then arranged on the insulating base frame 61, and its upper end is connected by the wire 4 ' with the pressure switch 2 ', its
Lower end is in contact with one end of the electric conductor 62, and the other end of the electric conductor 62 is detonated by conductive leads 601 and and filled
Put 65 to be connected, downside of the priming device 65 adjacent to the lower connection ring body 12 '.When rifle series winding connects, by setting
Multi-pin connector, is avoided that rotation occurs in wire, knots, and prevents wire to be extruded and epidermis fracture occurs, causes short circuit phenomenon.As schemed
6th, shown in Fig. 7, the multi-pin connector is included:Intercalation part 63, the intercalation part is provided with a copper post body 631, the copper post body
Epimere is arranged one first rubber-covered pad 632, and its lower end is expanding to form a tip side 6311, the first rubber-covered pad 632
Outside be arranged with a middle copper sheathing 633, the epimere of the middle copper sheathing 633 is arranged with one second rubber-covered pad 634, described
The outside of the second rubber-covered pad 634 is arranged with an outer copper sheathing 635, and the upper end outside of the outer copper sheathing 635 is equipped with a rubber
A ring-shaped rubber pad 637 is placed with leather sheath 636, the rubber sleave 636, the ring-shaped rubber pad 637 is set in the copper
At the upper end of cylinder 631, and correspondence pressure is located at the first rubber-covered pad 632, middle copper sheathing 633, the second rubber-covered pad
634 and the upper surface of outer copper sheathing 635, for fixing above-mentioned part, the ring-shaped rubber pad 367 by jump ring 638 with it is described
Copper post body 631 is connected, and cementing fixation, and the ring-shaped rubber pad 367 is provided with two cable-through holes 6371, the copper post body vertically
631st, the upper end of middle copper sheathing 633 and outer copper sheathing 635 is connected by the wire 4 ' with the pressure switch 2 ' respectively；
Receptacle portion 64, it is provided with a copper sleeve 641, and the upper end of the copper sleeve 641 is formed with a projection 6411, described convex
A rubber-covered pad 642 is arranged with post 6411, the outside of the rubber-covered pad 642 is from top to bottom arranged with one first bronze medal successively
The copper splinter 644 of shell fragment 643 and second, first copper splinter 643 is vertically upwardly extended and is formed with the first bronze medal leg 6431, institute
State the second copper splinter 644 and vertically upwardly extend and be formed with one second bronze medal leg 6441, the first bronze medal leg 6431 and second
Copper leg 6441 is in be oppositely arranged, and both length vertically are different, wherein, the receptacle portion 64 is arranged on the insulating base
On body 61, the lower end of the intercalation part 63 is plugged between the first bronze medal leg 6431 and the second bronze medal leg 6441, the copper
The tip side 6311 of cylinder 631 is in contact with the projection 6411, the lateral surface of the middle copper sheathing 633 and the first bronze medal branch
Pin 6431 is in contact, and the lateral surface of the outer copper sheathing 633 is in contact with the second bronze medal leg 6441, the one end of the electric conductor 62
Correspondence is electrically connected with the first bronze medal leg 6431, the second bronze medal leg 6441 and copper sleeve 641, and its other end is by the conduction
Wire 601 is connected with the priming device 65, and the other end of the electric conductor 621 is also associated with a rear side wire 621, to make
It is to be used through line.Wherein, preferably described electric conductor 62 is a multicore sealed wiring post, and three core sealed wirings are preferably in figure
Post, the priming device 65 is a detonator.
Horizontal well pumping proposed by the present invention can publish oriented perforating attachment means, in real work, be disposed on two
When between perforating gun 71,72, its connected mode is roughly the same with foregoing, and therefore not to repeat here, wherein, the present embodiment and embodiment
Two difference is, after rifle to be perforated 71 detonates, pressure switch 2 ' is turned on, and by the intercalation part 63 of multi-pin connector, insert
Portions 64, electric conductor 62 and wire 4 ', conductive leads 601 ignite priming device 65, ignite the primacord in perforating gun 72 and penetrate
Hole bullet, and then realize perforating job.
The horizontal well pumping that the present invention is provided can publish oriented perforating attachment means, be connected by with perforating gun, and shape
Into perforating gun string, positioned step by step at the predetermined different depth in underground, the ground control panel of well head is recycled, according to perforating gun
The design firing order of string, by cable to downhole hardware provide opposed polarity voltage, realize perforating gun string by foremost to
The orderliness detonation of rear end：Lighted a fire since the perforating gun of the top, the pressure switch set by the present invention is made adjacent next
Perforating gun rifle is in arm-to-arm, and mis-ignition will not occur, it is ensured that multi-openings rifle successively different depth in order and
Time interval ground igniting perforation, finally play out cable carries out hydraulic fracturing again, and circulation successively can be completed to whole horizontal interval
Segmenting perforating and pressure break.
Schematical specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, the equivalent variations made on the premise of design of the invention and principle is not departed from and modification, all should
Belong to the scope of protection of the invention.
Claims (3)
1. a kind of horizontal well pumping can publish oriented perforating attachment means, it is characterised in that it is fixed that the horizontal well pumping can be published
A hollow body is provided with to perforation attachment means, it includes a top connection and a lower contact, the lower end set of the top connection
Be connected to the upper end of the lower contact, its upper end port is fixed with a upper bearing (metal), be embedded at the upper bearing (metal) be positioned with one turn
Rotating ring body, is fixed with a lower bearing at the lower end port of the lower contact, be embedded at the lower bearing and be fixed with swivel becket
Body, is provided with a pressure switch in the inner chamber of the top connection, the upper end of the pressure switch is protruded out in the upper rotation ring body,
One apparatus to cause bursting is installed, the side wall of the top connection is additionally provided with a mounting hole, on the mounting hole in the lower contact inner chamber
It is provided with a blanking cover；
Wherein, the apparatus to cause bursting is included：
One detonation portion, the detonation portion is provided with a supporting body and an electric conductor, and the supporting body is screwed onto in the lower contact, its
A priming device and one first detonating primer are from top to bottom embedded with central passage successively, the priming device is solid by a screw
It is scheduled in the supporting body, the supporting body is additionally provided with an axially extending bore in the side adjacent to the central passage, described to lead
Electric body is embedded in the axially extending bore, wherein, one end of the electric conductor and the upper end of priming device are respectively by leading
Line is connected with the pressure switch；
One leads quick-fried portion, includes one second detonating primer and a pillar, and the lower upper end for rotating ring body is towards in the lower contact
Extend in chamber and be formed with an outer segment, second detonating primer and pillar are from top to bottom sequentially placed in the outer segment, institute
The upper end for stating the second detonating primer is adjacent with the lower end of first detonating primer, and its lower end is adjacent with the upper end of the pillar.
2. horizontal well pumping as claimed in claim 1 can publish oriented perforating attachment means, it is characterised in that described to lead quick-fried portion
Be further provided with a ring-shaped conductor and an insulator, the ring-shaped conductor and insulator be from top to bottom arranged successively be fixed on it is described
At outer segment upper end, the upper end of the ring-shaped conductor is in contact with the other end of the electric conductor, and its lower end is connected with rear side
Wire, the insulator is provided with axial hole, and the rear side wire is by leading on the axial hole and outer segment side wall
String holes, in stretching into the inner chamber of the outer segment.
3. horizontal well pumping as claimed in claim 1 or 2 can publish oriented perforating attachment means, it is characterised in that described to lead
Electric body is a sealed wiring post, and the priming device is a detonator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410820505.2A CN104533355B (en) | 2014-12-25 | 2014-12-25 | Horizontal well pumping can publish oriented perforating attachment means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410820505.2A CN104533355B (en) | 2014-12-25 | 2014-12-25 | Horizontal well pumping can publish oriented perforating attachment means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104533355A CN104533355A (en) | 2015-04-22 |
| CN104533355B true CN104533355B (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410820505.2A Active CN104533355B (en) | 2014-12-25 | 2014-12-25 | Horizontal well pumping can publish oriented perforating attachment means |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518206A (en) * | 2018-04-02 | 2018-09-11 | 吉林市双林射孔器材有限责任公司 | Horizontal wells pumping perforation determines face orientation sub-clustering perforator propagation of explosion conversion equipment |
| EP4010559A4 (en) | 2019-08-06 | 2023-08-02 | Hunting Titan, Inc. | Modular gun system |
| CN114658397B (en) * | 2022-04-15 | 2022-10-21 | 吉林市双林射孔器材有限责任公司 | Oil gas well casing slotting mesh-making perforator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB407251A (en) * | 1933-08-04 | 1934-03-15 | Bataafsche Petroleum | Apparatus for perforating well casings in situ |
| CN201574735U (en) * | 2009-11-27 | 2010-09-08 | 中国兵器工业第二一三研究所 | Inclined shaft azimuthal orientation multilevel pulse benefit increment perforating device |
| CN202325445U (en) * | 2011-12-14 | 2012-07-11 | 中国石油天然气股份有限公司 | Multi-grade detonation control assembly for cable transmission perforation |
| CN203050649U (en) * | 2012-12-28 | 2013-07-10 | 西安通源石油科技股份有限公司 | Middle connector of horizontal well perforating guns |
| CN204457680U (en) * | 2014-12-25 | 2015-07-08 | 中国石油天然气股份有限公司 | Horizontal well pumping can publish oriented perforating linkage |
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2014
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| CN104533355A (en) | 2015-04-22 |
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