CN202381051U - Energy-gathering composite perforating pipe column - Google Patents
Energy-gathering composite perforating pipe column Download PDFInfo
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- CN202381051U CN202381051U CN201120573694XU CN201120573694U CN202381051U CN 202381051 U CN202381051 U CN 202381051U CN 201120573694X U CN201120573694X U CN 201120573694XU CN 201120573694 U CN201120573694 U CN 201120573694U CN 202381051 U CN202381051 U CN 202381051U
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- 239000002131 composite material Substances 0.000 title claims abstract description 103
- 238000010304 firing Methods 0.000 claims description 47
- 239000011229 interlayer Substances 0.000 claims description 41
- 239000000446 fuel Substances 0.000 claims description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 229940079593 drug Drugs 0.000 claims description 11
- 239000003814 drug Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
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- PPTYJKAXVCCBDU-UHFFFAOYSA-N Rohypnol Chemical compound N=1CC(=O)N(C)C2=CC=C([N+]([O-])=O)C=C2C=1C1=CC=CC=C1F PPTYJKAXVCCBDU-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides an it can compound perforation tubular column to gather, including: the ignition device comprises a lifting short circuit, a guide connecting body and an impact base, wherein the upper end of the guide connecting body is connected with the lower end of the lifting short circuit; the impact base is internally provided with an ignition device, a primer part and a centralizing rubber plug provided with an explosion transfer tube with an explosion fuse, and the upper end of the explosion fuse is connected with the primer part; at least one energy-gathering composite perforating gun, which comprises a gun body, a perforating bullet frame and a connector, wherein the perforating bullet frame and the connector are arranged in the gun body, the upper end of the gun body is in threaded connection with the lower end of a striking base, a blind hole is formed in the side wall of the gun body, the connector is in threaded connection with the lower end of the gun body, another detonating cord is spirally wound on the perforating bullet frame, perforating bullets are respectively arranged on mounting holes in the outer surface of the perforating bullet frame, and high-energy composite agents are filled between the outer surface of the perforating bullet frame. The utility model discloses can carry out perforation to hypotonic oil layer, special lithologic oil reservoir and put into production, unblock, improve the draining ability in oil layer, increase the output of oil well.
Description
Technical field
The utility model relates to a kind of energy-gathering composite perforating tubing string, especially a kind ofly improves the raising the output of oil gas well production or the energy-gathering composite perforating tubing string of perforation completion with degree of depth perforation,
Background technology
In oilfield development process, in order to realize the raising the output of oil well, go into operation, the accent of old well mends and all can use perforating system in the operations such as layer perforation and old well de-plugging and carry out de-plugging at the perforation of new well, reach with it and improve stratum filtration, the purpose of extension formation fracture.
" a kind of have shell tubing transmission gas fracturing tubing string " who proposes like Chinese patent notification number CN2506770Y number; It is equipped with guide way, striker, detonating primer, gas outlet, piston on tubing string, wear and press conduit and parts such as shell body are arranged; To have during construction in the shell body tubing string lower going-into-well; Through the well head caber bump detonating primer gunpowder in the shell body that ignites, the perforation mode of utilizing high energy gas to directly act on oil reservoir is implemented de-plugging.Yet along with oil field development gets into the middle and later periods, recovered the oil, the influence of drillng operation and various measures the aggravation of oil layer pollution degree; Single perforating technology operating distance is limited; Do not reach desirable effect of increasing production, often need carry out " high enegry gas fracturing " or " multiple-pulse loading fracturing technique " again after the construction, or " perforation and pressure break " operation such as combine; Operation is repeated in the near wellbore zone, cause that work progress is complicated, cost is high.
Because the defective that above-mentioned known technology exists, the design people develops the energy-gathering composite perforating tubing string of the utility model according to the production design experiences of being engaged in this area and association area for many years.
The utility model content
The purpose of the utility model is to provide a kind of energy-gathering composite perforating tubing string, and its ability degree of depth perforation, expansion and extension crack to improve the permeability of oil reservoir, have overcome the defective of prior art.
For this reason; The utility model proposes a kind of energy-gathering composite perforating tubing string; It includes: a firing device, and it includes one and promotes short circuit, a guiding connector and a bump base, and the upper end of said guiding connector connects through the lower ends of a box cupling and said lifting short circuit; Its lower end is threadedly connected to the outside of said bump base upper end, and the sidewall of said guiding connector is provided with the through hole that is connected with its inside; Be provided with an ignition device in the inner chamber of said bump base upper end; And be embedded a fire in a stove before fuel is added portion at said ignition device downside; Then be embedded with one in the inner chamber of said bump base lower end and set upright plug; The said detonating primer that is equiped with a band detonating fuse in the plug of setting upright, the upper end of said detonating fuse links to each other with said fire in a stove before fuel is added portion; At least one energy-gathering composite perforating rifle; This energy-gathering composite perforating rifle includes rifle body, a perforation firing mount and a connector of a hollow; The upper end screw thread of said rifle body is external in the lower end of said bump base, and its sidewall is provided with a plurality of blind holes, and the installing of said perforation firing mount is fixed in the inner chamber of said rifle body; The upper end of said connector is then through being connected to the lower end of said rifle body in the screw thread; The external surface of said perforation firing mount forms a plurality of installing holes, is equiped with a perforating bullet respectively on each said installing hole, and helical ring is wound with another detonating fuse on the said perforation firing mount; Be filled with the high energy composite drug between the inwall of the external surface of said perforation firing mount and said rifle body, the lower end of the inner chamber of said connector is embedded with one second and sets upright plug.
Aforesaid energy-gathering composite perforating tubing string, wherein, said ignition device includes a firing pin and a striker post, and said firing pin is fixed in the said striker post through a shear pin, and said striker post is threadedly connected in the said bump base.
Aforesaid energy-gathering composite perforating tubing string; Wherein, said fire in a stove before fuel is added portion includes a fire in a stove before fuel is added, a fire in a stove before fuel is added platform and a copper sheet, and the said fire in a stove before fuel is added is arranged in the endoporus of said fire in a stove before fuel is added platform; Said copper sheet is covered on the upper end of said fire in a stove before fuel is added platform; And be provided with a steel gasket ring between the bottom of the striker post of its upper surface and said ignition device, wherein, the upper end of the detonating fuse in the said firing device links to each other with the said fire in a stove before fuel is added.
Aforesaid energy-gathering composite perforating tubing string, wherein, the upper/lower terminal of said perforation firing mount is welded with a baffle ring respectively, is connected through fixing pin between the inwall of said baffle ring and said rifle body.
Aforesaid energy-gathering composite perforating tubing string, wherein, the upper end of the lifting short circuit of the said firing device box cupling that further has been threaded.
Aforesaid energy-gathering composite perforating tubing string, wherein, said energy-gathering composite perforating tubing string further is provided with multistage said energy-gathering composite perforating rifle, is connected through an energy-gathering composite perforating interlayer gun respectively between each said energy-gathering composite perforating rifle.
Aforesaid energy-gathering composite perforating tubing string; Wherein, Said energy-gathering composite perforating interlayer gun includes interlayer gun body, an interlayer pipe and one second connector of a hollow; Said interlayer pipe installing is fixed in the said interlayer gun body, and the upper end of said second connector is through being connected to the lower end of said interlayer gun body in the screw thread, and the lower end of the said second connector inner chamber is embedded with one the 3rd and sets upright plug; Wherein, the upper end screw thread of said interlayer gun body is external in the lower end of the connector of the said energy-gathering composite perforating rifle of upper level, and said second connector is threaded with the upper end of the rifle body of the said energy-gathering composite perforating rifle of next stage mutually.
Aforesaid energy-gathering composite perforating tubing string, wherein, the upper/lower terminal of said interlayer pipe is welded with one second baffle ring respectively, is connected through pin for suppressing metal between the inside wall of said second baffle ring and said interlayer gun body.
The energy-gathering composite perforating tubing string that the utility model proposes; The perforation completion of hyposmosis oil well perforations adding, pollution damage de-plugging of well and conventional oil gas well in can be applicable to; Ability degree of depth perforation, expansion and extension crack reach the purpose of improving the stratum filtration condition, to improve the draining ability of oil reservoir; Increase oil well yield, it has the following advantages:
1, the energy-gathering composite perforating tubing string of the utility model; Install perforating bullet on the firing mount in said energy-gathering composite perforating rifle; And make full use of the space; Between the inwall of firing mount and rifle body, fill the high energy composite drug, guaranteed the abundance of dose, the stratum is produced the expansion seam effect of impacting to produce enough energy; Perforating bullet preferably adopts the energy-gathering composite perforating bullet, and after the perforating bullet emission, the detonation wave energy of generation is penetrated and worn pipe cement sheath and stratum; And the crack that produces 500-800mm; The detonation wave high energy composite drug that ignites simultaneously, this high energy composite drug produce high energy air-flow and perforation is launched the crack of wearing further impact, and the crack is further extended and expansion; Pollute, change seepage velocity to reach to remove, improve the purpose of oil well output.
2, the energy-gathering composite perforating tubing string of the utility model through perforating bullet and high energy composite drug are set, can increase perforation radius and hole enlargement simultaneously; Eliminate foramen primum eye compaction band; Under the constant situation of surge pressure, effectively the load time (combustion pressure is greater than the strata pressure time) can surpass 1000ms, has prolonged the action time to formation fracture; And the reduction filtrational resistance, reach and improve the efficient that de-plugging of well increases oil.
3, the energy-gathering composite perforating tubing string of the utility model; Extension and hole enlargement on the basis of composite gun perforation, have been realized to formation fracture; Changed the percolation ability of near wellbore zone, reduced the operating cost that brings owing to repetition de-plugging, pressure break, the high energy composite drug is through reasonably laying in this tubing string; Can accomplish maximum explosive payload, to realize multistage pulses ripple repeated stock stratum; In prior art, simply repeat perforation de-plugging, pressure break, the continuity of the utility model is better, has further improved and improved the permeability on stratum, and the efficient of measure improved greatly.
4, the energy-gathering composite perforating tubing string of the utility model; Through the energy-gathering composite perforating interlayer gun is set, can realize one-off construction to the big oil-water well of span, fully enlarged the processing well section of oil-water well; Significantly reduced in the conventional composite perforating technology too much propagation of explosion point; The also corresponding sealing part that reduced, the safety that has improved whole time tubing string propagation of explosion provides safe assurance for the success of construction.
Description of drawings
Fig. 1 is the structural representation of ignition device in the energy-gathering composite perforating tubing string of the utility model;
Fig. 2 is the structural representation of energy-gathering composite perforating rifle in the energy-gathering composite perforating tubing string of the utility model;
Fig. 3 is the structural representation of energy-gathering composite perforating interlayer gun in the energy-gathering composite perforating tubing string of the utility model;
Fig. 4 is the overall structure sketch map of the energy-gathering composite perforating tubing string of the utility model.
The critical element label declaration:
1 firing device 11 promotes short circuit
111 box cuplings, 12 guiding connectors
121 through holes, 13 bump bases
14 box cuplings, 15 ignition devices
151 firing pins, 152 striker posts
153 shear pins, 16 fire in a stove before fuel is added portions
161 fires in a stove before fuel is added, 162 fire in a stove before fuel is added platforms
163 copper sheets, 164 steel gasket rings
17 set upright plug 18 detonating primers
181 detonating fuses, 2 energy-gathering composite perforating rifles
21 rifle bodies, 211 blind holes
22 perforation firing mounts, 221 installing holes
222 baffle rings, 223 fixing pins
23 connectors 231 second are set upright plug
24 detonating fuses, 25 perforating bullets
3 energy-gathering composite perforating interlayer guns, 31 interlayer gun bodies
31 interlayer gun bodies, 32 interlayer pipes
321 second baffle rings, 322 pins for suppressing metal
33 second connectors 331 the 3rd are set upright plug
The specific embodiment
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the specific embodiment of description of drawings the utility model at present:
Fig. 1 is the structural representation of the ignition device of the utility model; Fig. 2 is the structural representation of the energy-gathering composite perforating rifle of the utility model; Fig. 3 is the structural representation of the energy-gathering composite perforating interlayer gun of the utility model.
Like Fig. 1, shown in Figure 2, a kind of energy-gathering composite perforating tubing string that the utility model proposes, it includes a firing device 1 and at least one energy-gathering composite perforating rifle 2.Said firing device 1 includes one and promotes short circuit 11, a guiding connector 12 and a bump base 13; The upper end of said guiding connector 12 connects through the lower ends of a box cupling 14 with said lifting short circuit 11; Its lower end is threadedly connected to the outside of said bump base 13 upper ends, and the sidewall of said guiding connector 12 is provided with the through hole 121 that is connected with its inside; Be provided with an ignition device 15 in the inner chamber of said bump base 13 upper ends; And be embedded a fire in a stove before fuel is added portion 16 at said ignition device 15 downsides; Then be embedded with one in the inner chamber of said bump base 13 lower ends and set upright plug 17; The said detonating primer 18 that is equiped with a band detonating fuse 181 in the plug 17 of setting upright, the upper end of said detonating fuse 181 links to each other with said fire in a stove before fuel is added portion 16; This energy-gathering composite perforating rifle 2 includes rifle body 21, a perforation firing mount 22 and a connector 23 of a hollow; The upper end screw thread of said rifle body 21 is external in the lower end of said bump base 13; Its sidewall is provided with a plurality of blind holes 211; And said perforation firing mount 22 installings are fixed in the inner chamber of said rifle body 21, and the upper end of said connector 23 is then through being connected to the lower end of said rifle body 21 in the screw thread, and the external surface of said perforation firing mount 22 forms a plurality of installing holes 221; Be equiped with a perforating bullet 25 respectively on each said installing hole 221; And helical ring is wound with another detonating fuse 24 on the said perforation firing mount 22, is filled with high energy composite drug (not shown) between the inwall of the external surface of said perforation firing mount 22 and said rifle body 21, and the lower end of the inner chamber of said connector 23 is embedded with one second and sets upright plug 231.Wherein, this perforating bullet 25 is preferably the energy-gathering composite perforating bullet.
Wherein, said ignition device 15 includes a firing pin 151 and a striker post 152, and said firing pin 151 is fixed in the said striker post 152 through a shear pin 153, and 153 of said striker posts are threadedly connected in the said bump base 13.
Further; Said fire in a stove before fuel is added portion 16 includes a fire in a stove before fuel is added 161, a fire in a stove before fuel is added platform 162 and a copper sheet 163; The said fire in a stove before fuel is added 161 is arranged in the endoporus of said fire in a stove before fuel is added platform 162, and said copper sheet 163 is covered on the upper end of said fire in a stove before fuel is added platform 161, and is provided with a steel gasket ring 164 between the bottom of the striker post 152 of its upper surface and said ignition device 15; Wherein, the upper end of the detonating fuse 181 in the said firing device 1 links to each other with the said fire in a stove before fuel is added 161.
Preferred embodiment be, the upper/lower terminal of said perforation firing mount 22 is welded with a baffle ring 222 respectively, is connected through fixing pin 223 between the inwall of said baffle ring 222 and said rifle body 21.Wherein, as shown in the figure, when concrete the connection, the oblique from inside to outside inwall that wears said baffle ring 222 and rifle body 21 down successively of preferred said fixing pin 223, easily baffle ring 222 and rifle body 21 being connected to a fixed, or dismounting separates mutually.
In addition, the upper end of the lifting short circuit 11 of said firing device 1 box cupling 111 that further has been threaded.Through this box cupling 111 is set, can be connected with oil pipe or other parts more easily in use.
In addition; Energy-gathering composite perforating tubing string for the utility model; Oil layer section dispersion in oil well and interval also can further be provided with multistage energy-gathering composite perforating rifle 2 according to the needs of actual conditions for a long time; 2 in each said energy-gathering composite perforating rifle is connected through an energy-gathering composite perforating interlayer gun 3 respectively, to realize multistage explosion.So, can enlarge the range of application of the utility model, further improve the effect that transform on the stratum.
Wherein, Please in the lump referring to Fig. 3, said energy-gathering composite perforating interlayer gun 3 includes interlayer gun body 31, an interlayer pipe 32 and one second connector 33 of a hollow, and said interlayer pipe 32 installings are fixed in the said interlayer gun body 31; The upper end of said second connector 33 is through being connected to the lower end of said interlayer gun body 31 in the screw thread; The lower end of said second connector, 33 inner chambers is embedded with one the 3rd and sets upright plug 331, and when detonating fuse wore, the 3rd sets upright plug can guarantee that detonating fuse is placed in the middle.When concrete the connection, the upper end screw thread of said interlayer gun body 31 is external in the lower end of the connector 23 of the said energy-gathering composite perforating rifle of upper level, and said second connector 33 is threaded with the upper end of the rifle body 21 of the said energy-gathering composite perforating rifle of next stage mutually.Thus; When multistage energy-gathering composite perforating rifle is set; Detonating fuse in the energy-gathering composite perforating rifle of subordinate is upward through the 3rd of energy-gathering composite perforating interlayer gun vertically and sets upright plug and interlayer pipe 32; With pass second detonating fuse set upright in higher level's energy-gathering composite perforating rifle of plug downwards and be connected, when work so that light successively.
Further, the upper/lower terminal of said interlayer pipe 32 is welded with one second baffle ring 321 respectively, is connected through pin for suppressing metal 322 between the inside wall of said second baffle ring 321 and said interlayer gun body 31.Wherein, as scheme said, the said pin for suppressing metal 322 preferred oblique from inside to outside inwalls that wear said baffle ring 321 and interlayer gun body 31 down successively, fixing so that both are connected.
Please in the lump referring to Fig. 4, be the overall structure sketch map of the energy-gathering composite perforating tubing string of the utility model.Energy-gathering composite perforating tubing string for the utility model proposition; Is that example is explained at this so that an energy-gathering composite perforating rifle to be set; Its operating principle is: the lower end of bump base 13 connects the upper end of the rifle body 21 of a said energy-gathering composite perforating rifle 2 in said firing device 1; And the upper end of detonating fuse 24 and the bottom of said detonating primer 18 joined, to form an energy-gathering composite perforating tubing string of the utility model.
When implementing to use, the box cupling 111 of the utility model through said firing device 1 upper end is connected with oil pipe, be lowered to oil pipe subsequently, the utility model is placed into the target zone position in the oil well; From well head caber in oil pipe, clash into the firing pin 151 in the ignition device 15 in the said firing device 1,153 moments of shear pin are cut off; Said firing pin 151 moves down simultaneously, and passes steel gasket ring 164 with bump copper sheet 163, and the impact of its generation penetrates copper sheet 163; And the fire in a stove before fuel is added 161 in the fire in a stove before fuel is added platform 162 that ignites, these fire in a stove before fuel is added 161 burning backs produce detonation wave, and this detonation wave passes to through said detonating fuse 181 downwards to be set upright in the plug 17 and the detonating primer 18 that ignites; The detonating fuse 24 that 18 of said detonating primers ignite and join with it ignites this detonating fuse 24, and then lights the perforating bullet 25 in the perforation firing mount 22; On the one hand, perforating bullet 25 burnings also produce high temperature and high pressure gas, and this high temperature and high pressure gas is gone out each blind hole 211 on the rifle body 21; And laterally get into stratum 500mm-800mm along each preforation tunnel of oil well, and press off the rock stratum with the quick crack initiation of the mode of high-voltage pulse, form many cracks; On the other hand, when perforating bullet ignites, the detonation wave that its high temperature and high pressure gas the produces high energy composite drug that ignites; Make the high energy composite drug produce the high energy air-flow and perforation is launched the crack of wearing further impact; The crack is further extended and expansion, pollute, change seepage velocity, improve the purpose of oil well output to reach to remove.
The energy-gathering composite perforating tubing string that the utility model proposes can carry out perforation operation, de-plugging to Middle-Low Permeability Reservoirs, particular lithologic oil reservoir, eliminates the influence of perforation compaction band, improves the draining ability of oil reservoir, increases oil well yield; In using at the scene,, reduced and repeated the various unnecessary input that operation brings, reduced the input cost of de-plugging measure through the energy-gathering composite perforating rifle is set; It has improved the utilization rate of composite gun perforation medication, in prior art, simply repeats perforation de-plugging, pressure break, and its continuity is better, has further improved the permeability on stratum, has improved the efficient of de-plugging measure greatly.
It is pointed out that in the energy-gathering composite perforating tubing string of the utility model it is formed structure and is not limited to the above; Oil layer section dispersion in oil well and interval can also be selected a plurality of energy-gathering composite perforating rifles 2 for use according to the needs of reality use for a long time; And make between each each adjacent energy-gathering composite perforating rifle and be connected through an energy-gathering composite perforating interlayer gun 3 respectively, so that the utility model forms a multilevel hierarchy, can further enlarge the scope of application; Oil-water well to span is big has been realized one-off construction; Fully enlarge the processing well section of oil-water well, significantly reduced the too much propagation of explosion point of conventional composite perforation simultaneously, the also corresponding sealing part that reduced; Improved the safety of whole time tubing string propagation of explosion, safe assurance is provided for the success of construction.
The above is merely the schematic specific embodiment of the utility model, is not in order to limit the scope of the utility model.Any those skilled in the art, equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should belong to the scope that the utility model is protected.
Claims (10)
1. an energy-gathering composite perforating tubing string is characterized in that, said energy-gathering composite perforating tubing string includes:
One firing device; It includes one and promotes short circuit, a guiding connector and a bump base; The upper end of said guiding connector connects through the lower ends of a box cupling and said lifting short circuit; Its lower end is threadedly connected to the outside of said bump base upper end, and the sidewall of said guiding connector is provided with the through hole that is connected with its inside; Be provided with an ignition device in the inner chamber of said bump base upper end; And be embedded a fire in a stove before fuel is added portion at said ignition device downside; Then be embedded with one in the inner chamber of said bump base lower end and set upright plug; The said detonating primer that is equiped with a band detonating fuse in the plug of setting upright, the upper end of said detonating fuse links to each other with said fire in a stove before fuel is added portion;
At least one energy-gathering composite perforating rifle; This energy-gathering composite perforating rifle includes rifle body, a perforation firing mount and a connector of a hollow; The upper end screw thread of said rifle body is external in the lower end of said bump base, and its sidewall is provided with a plurality of blind holes, and the installing of said perforation firing mount is fixed in the inner chamber of said rifle body; The upper end of said connector is then through being connected to the lower end of said rifle body in the screw thread; The external surface of said perforation firing mount forms a plurality of installing holes, is equiped with a perforating bullet respectively on each said installing hole, and helical ring is wound with another detonating fuse on the said perforation firing mount; Be filled with the high energy composite drug between the inwall of the external surface of said perforation firing mount and said rifle body, the lower end of the inner chamber of said connector is embedded with one second and sets upright plug.
2. energy-gathering composite perforating tubing string as claimed in claim 1 is characterized in that, said ignition device includes a firing pin and a striker post, and said firing pin is fixed in the said striker post through a shear pin, and said striker post is threadedly connected in the said bump base.
3. energy-gathering composite perforating tubing string as claimed in claim 2; It is characterized in that said fire in a stove before fuel is added portion includes a fire in a stove before fuel is added, a fire in a stove before fuel is added platform and a copper sheet, the said fire in a stove before fuel is added is arranged in the endoporus of said fire in a stove before fuel is added platform; Said copper sheet is covered on the upper end of said fire in a stove before fuel is added platform; And be provided with a steel gasket ring between the bottom of the striker post of its upper surface and said ignition device, wherein, the upper end of the detonating fuse in the said firing device links to each other with the said fire in a stove before fuel is added.
4. energy-gathering composite perforating tubing string as claimed in claim 3 is characterized in that the upper/lower terminal of said perforation firing mount is welded with a baffle ring respectively, is connected through fixing pin between the inwall of said baffle ring and said rifle body.
5. energy-gathering composite perforating tubing string as claimed in claim 4 is characterized in that, the upper end of the lifting short circuit of the said firing device box cupling that further has been threaded.
6. like each described energy-gathering composite perforating tubing string of claim 1 to 5; It is characterized in that; Said energy-gathering composite perforating tubing string further is provided with multistage said energy-gathering composite perforating rifle, is connected through an energy-gathering composite perforating interlayer gun respectively between each said energy-gathering composite perforating rifle.
7. energy-gathering composite perforating tubing string as claimed in claim 6; It is characterized in that; Said energy-gathering composite perforating interlayer gun includes interlayer gun body, an interlayer pipe and one second connector of a hollow; Said interlayer pipe installing is fixed in the said interlayer gun body, and the upper end of said second connector is through being connected to the lower end of said interlayer gun body in the screw thread, and the lower end of the said second connector inner chamber is embedded with one the 3rd and sets upright plug;
Wherein, the upper end screw thread of said interlayer gun body is external in the lower end of the connector of the said energy-gathering composite perforating rifle of upper level, and said second connector is threaded with the upper end of the rifle body of the said energy-gathering composite perforating rifle of next stage mutually.
8. energy-gathering composite perforating tubing string as claimed in claim 7 is characterized in that, the upper/lower terminal of said interlayer pipe is welded with one second baffle ring respectively, is connected through pin for suppressing metal between the inside wall of said second baffle ring and said interlayer gun body.
9. energy-gathering composite perforating tubing string as claimed in claim 1; It is characterized in that said fire in a stove before fuel is added portion includes a fire in a stove before fuel is added, a fire in a stove before fuel is added platform and a copper sheet, the said fire in a stove before fuel is added is arranged in the endoporus of said fire in a stove before fuel is added platform; Said copper sheet is covered on the upper end of said fire in a stove before fuel is added platform; And be provided with a steel gasket ring between the bottom of the striker post of its upper surface and said ignition device, wherein, the upper end of the detonating fuse in the said firing device links to each other with the said fire in a stove before fuel is added.
10. like claim 1 or 9 described energy-gathering composite perforating tubing strings, it is characterized in that the upper/lower terminal of said perforation firing mount is welded with a baffle ring respectively, be connected through fixing pin between the inwall of said baffle ring and said rifle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120573694XU CN202381051U (en) | 2011-12-31 | 2011-12-31 | Energy-gathering composite perforating pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120573694XU CN202381051U (en) | 2011-12-31 | 2011-12-31 | Energy-gathering composite perforating pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202381051U true CN202381051U (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120573694XU Expired - Fee Related CN202381051U (en) | 2011-12-31 | 2011-12-31 | Energy-gathering composite perforating pipe column |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527080A (en) * | 2013-11-07 | 2014-01-22 | 西南石油大学 | Method and drilling tool for directional-blasting well drilling |
| CN103850649A (en) * | 2014-03-20 | 2014-06-11 | 西南石油大学 | Explosion well drilling operation method by utilizing sleeve |
| CN104912524A (en) * | 2015-06-16 | 2015-09-16 | 中国石油集团川庆钻探工程有限公司 | Method for improving perforation and detonation propagation reliability |
| CN111878053A (en) * | 2020-07-14 | 2020-11-03 | 中国石油大学(华东) | Separated high-energy gas fracturing device and fracturing method |
-
2011
- 2011-12-31 CN CN201120573694XU patent/CN202381051U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527080A (en) * | 2013-11-07 | 2014-01-22 | 西南石油大学 | Method and drilling tool for directional-blasting well drilling |
| CN103850649A (en) * | 2014-03-20 | 2014-06-11 | 西南石油大学 | Explosion well drilling operation method by utilizing sleeve |
| CN104912524A (en) * | 2015-06-16 | 2015-09-16 | 中国石油集团川庆钻探工程有限公司 | Method for improving perforation and detonation propagation reliability |
| CN104912524B (en) * | 2015-06-16 | 2018-05-01 | 中国石油集团川庆钻探工程有限公司 | Method for improving perforation and detonation propagation reliability |
| CN111878053A (en) * | 2020-07-14 | 2020-11-03 | 中国石油大学(华东) | Separated high-energy gas fracturing device and fracturing method |
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