CN101575965B - Perforating explosion-proof gun device - Google Patents
Perforating explosion-proof gun device Download PDFInfo
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- CN101575965B CN101575965B CN200910021820A CN200910021820A CN101575965B CN 101575965 B CN101575965 B CN 101575965B CN 200910021820 A CN200910021820 A CN 200910021820A CN 200910021820 A CN200910021820 A CN 200910021820A CN 101575965 B CN101575965 B CN 101575965B
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- perforating gun
- explosion
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Abstract
The invention discloses a perforating explosion-proof gun device, which comprises a perforating gun. An explosion interruption mechanism is arranged on a gun head of the perforating gun, a water opening mechanism is arranged at the tail end of the perforating gun, and the two mechanisms are matched to use, wherein the water opening mechanism is used as the tail of the perforating gun; during the transportation of pipe columns or when the transportation is finished, if well inlet liquid is not in the perforating gun, the external pressure of the perforating gun is large, and an explosion transfer passage is opened to safely transfer explosion perforating gun strings; if larger amount of water enters the perforating gun, the internal pressure and the external pressure are balanced, the explosion transfer passage is closed, the explosion transfer is blocked, and a perforating bullet which prevents immersion explodes so as to prevent gun bomb accidents; and if the perforating gun is leaked, the pressure difference exists in and out of the perforating gun, the explosion transfer passage of the explosion interruption mechanism is in an opening state, but a part of scattered perforating bullets are immersed into water, the water opening mechanism is acted by water, a sealed rubber pad is opened, large amount of well liquid bursts into the perforating gun so as to cause the balance of the internal pressure and the external pressure of the perforating gun, and the explosion transfer passage of the explosion interruption mechanism is closed to prevent the gun bomb accidents.
Description
Technical field
The present invention relates to the improvement of perforating gun, particularly a kind of perforating explosion-proof gun device, this device can play the effect that prevents fried rifle accident in the perforation construction.
Background technology
Sealing system itself exists in sealing problem or the tubing string transmission course and causes sealing system impaired or entirely ineffective, and because of the outer well hydraulic coupling of perforating gun is very big, well liquid can slowly infiltrate perforating gun or fill perforating gun; Perforating bullet will be immersed in the well liquid; Because of most perforating bullet all has certain water proofing property with explosive and detonating fuse with explosive, thus after the detonator detonates detonation wave still along the detonating fuse transmission, because of a part of perforating bullet is immersed in the well liquid; Perforating bullet can not form jet; Detonation wave relies on the interior well liquid of perforating gun that pressure is passed to perforating gun, and pressure surpasses the perforating gun pressure-bearing limit, and fried rifle accident will take place.Though the impaired or entirely ineffective probability of perforating gun sealing system is very low, the consequence that fried rifle accident takes place is very serious, and it is also very high to handle fried rifle accident cost, even causes the construction well to scrap.
Summary of the invention
The object of the present invention is to provide a kind of perforating explosion-proof gun device, whether this device can act on according to intaking in the perforating gun, prevents that fried rifle accident from taking place.
In order to realize above-mentioned task, the present invention takes following technical solution:
A kind of perforating explosion-proof gun device comprises perforating gun, it is characterized in that, disconnected quick-fried mechanism is installed on the rifle head of perforating gun, installs at the tail end of perforating gun and meets water perforate mechanism, and two mechanisms are used, and wherein, meets the gun breech of water perforate mechanism double as perforating gun;
Described disconnected quick-fried mechanism comprises: first booster gains, piston retaining spiral shell, piston, second booster gains, directional bond, spring, the 3rd booster gains, disconnected quick-fried joint and booster gains retaining spiral shell;
Wherein, One end of disconnected quick-fried joint has external screw thread; There is centre bore at disconnected quick-fried joint center, radially has side opening at disconnected quick-fried joint, and a step is arranged at the bottom of side opening; The step of this step and piston overlaps coaxial to guarantee in first booster gains, second booster gains and the 3rd booster gains propagation of explosion process, and this side opening is through the centre bore of disconnected quick-fried joint; First booster gains is installed in the disconnected quick-fried joint central upper portion hole; Spring is installed on the side opening bottom of disconnected quick-fried joint, and second booster gains is installed in the piston side opening, and the piston that has step is installed in the disconnected quick-fried joint side opening; Directional bond is installed in the keyway of disconnected quick-fried joint and piston; Centre bore and piston side opening center to guarantee disconnected quick-fried joint are coaxial, and piston retaining spiral shell has centre bore through the screw thread clamping piston on the piston retaining spiral shell; The 3rd booster gains is installed in the disconnected quick-fried joint male end centre bore, and booster gains retaining spiral shell limits the 3rd booster gains through being threaded;
Described chance water perforate mechanism comprises: sealing rubber pad, jacking block, expansion agent, steel pipe and gun breech seat;
Wherein, gun breech seat external screw thread one end center is provided with blind hole, radially has step side blind hole at the gun breech seat; This side blind hole is through the blind hole at gun breech seat center; In the side blind hole, steel pipe is housed, expansion agent and jacking block are housed in the steel pipe, sealing rubber pad is installed on to be fixed steel pipe in the step side blind hole and seals.
Perforating explosion-proof gun device of the present invention has following function:
1, disconnected quick-fried mechanism utilizes perforating gun external and internal pressure difference to open or close the propagation of explosion passage of booster gains, prevents the perforating bullet blast takes place under the situation of a large amount of water inlets, prevents that fried rifle accident from taking place.
2, meet water perforate mechanism and utilize the expansion agent water-swellable acting of gun breech to back down sealing rubber pad, and the mode of active perforate makes and impels the effect of disconnected quick-fried mechanism by the perforating gun internal and external pressure balance, prevents that fried rifle accident from taking place.
Description of drawings
Fig. 1 is perforating explosion-proof gun device of the present invention assembled construction sketch map on perforating gun;
Fig. 2 is disconnected quick-fried mechanism structure sketch map;
Fig. 3 meets water perforate mechanism structural representation.
Label among the figure is represented respectively: among the figure: 01, perforating gun, 02, the rifle head, 1, first booster gains, 2, piston retaining spiral shell, 3, piston; 4, second booster gains, 5, directional bond, 6, spring, the 7, the 3rd booster gains; 8, disconnected quick-fried joint, 9, booster gains retaining spiral shell, 21, sealing rubber pad, 22, jacking block; 23, expansion agent, 24, steel pipe, 25, the gun breech seat, 26, blind hole.
Below in conjunction with accompanying drawing the present invention is described in further detail.
The specific embodiment
Referring to accompanying drawing, perforating explosion-proof gun device of the present invention comprises perforating gun 01; Disconnected quick-fried mechanism is installed on the rifle head 02 of perforating gun, installs at the tail end of perforating gun 01 and meet water perforate mechanism, two mechanisms are used; Wherein, meet the gun breech of water perforate mechanism double as perforating gun;
Disconnected quick-fried mechanism (Fig. 1, Fig. 2) comprising: first booster gains 1, piston retaining spiral shell 2, piston 3, second booster gains 4, directional bond 5, spring 6, the 3rd booster gains 7, disconnected quick-fried joint 8 and booster gains retaining spiral shell 9;
Wherein, an end of disconnected quick-fried joint 8 has external screw thread, and the other end has internal thread, and there is centre bore at disconnected quick-fried joint 8 centers, radially have side opening at disconnected quick-fried joint 8, and this side opening is through the centre bore of disconnected quick-fried joint 8;
First booster gains 1 is installed in the disconnected quick-fried joint 8 central upper portion holes, and spring 6 is installed on the side opening bottom of disconnected quick-fried joint 8, and second booster gains 4 is installed in piston 3 side openings; Piston 3 is installed in disconnected quick-fried joint 8 side openings; Directional bond 5 is installed in the keyway of disconnected quick-fried joint 8 and piston 3, guarantees that disconnected quick-fried joint 8 centre bores and piston 3 side opening centers are coaxial, and the external screw thread of piston retaining spiral shell 2 is connected with disconnected quick-fried joint 8 side opening internal threads; With clamping piston 3, on the piston retaining spiral shell 2 centre bore is arranged;
The 3rd booster gains 7 is installed in the disconnected quick-fried joint 8 male end centre bores, and the external screw thread of booster gains retaining spiral shell 9 and the internal thread of disconnected quick-fried joint 8 centre bore bottoms are connected;
Meeting water perforate mechanism (Fig. 1, Fig. 3) comprising: sealing rubber pad 21, jacking block 22, expansion agent 23, steel pipe 24 and gun breech seat 25;
Wherein, Gun breech seat 25 external screw threads one end center is provided with blind hole 26; Radially have step side blind hole at gun breech seat 25, this side blind hole is equipped with steel pipe 24 through the blind hole 26 at gun breech seat 25 centers in the side blind hole; Expansion agent 23 and jacking block 22 are housed in the steel pipe 24, and sealing rubber pad 21 is installed in the step side blind hole steel pipe 24 fixing and sealings.
Increase disconnected quick-fried mechanism and meet water perforate mechanism and do not influence original volley of rifle fire order, and can guarantee that original gun perforation process normally implements, its assembly method is that chance water perforate mechanism as shown in Figure 3 is assemblied in a perforating gun lower end bottom, has the gun breech effect concurrently.The normal perforating gun string that connects is assemblied in disconnected quick-fried mechanism as shown in Figure 2 between initiator and the perforating gun rifle head (Fig. 1) then, carries out next step operation by the associative operation rules at last.
Operating principle of the present invention is that after perforating gun string was transferred to the down-hole certain depth, the pit shaft internal pressure passed to piston 3 through the centre bore of piston retaining spiral shell 2, piston 3 compression springs 6.Second booster gains 4 and first booster gains 1 and 7 one-tenth propagation of explosion passages of the 3rd booster gains, initiator safe initiation perforating gun string; If get into a large amount of well liquid in the rifle; The perforating gun internal and external pressure balance; Then spring 6 promotes pistons 3 to initial position, and second booster gains 4 and first booster gains 1, the 3rd booster gains 7 can not form a propagation of explosion passage, and detonation wave is blocked after the detonator detonates; The perforating bullet that can not normally detonate and soak has prevented that fried rifle accident from taking place.
If perforating gun 01 is seepage slowly, the well liquid that infilters after a period of time in the perforating gun 01 can be assembled at gun breech seat 25 places, in steel pipe 24, axially expands after expansion agent 23 is met well liquid; Promote jacking block 22, sealing rubber pad 21 is backed down, the outer well liquid of perforating gun string pours in the perforating gun string rapidly; Make internal and external pressure balance; The propagation of explosion pathway closure of disconnected quick-fried mechanism, detonation wave is blocked, and has prevented that fried rifle accident from taking place.
Claims (1)
1. a perforating explosion-proof gun device comprises perforating gun, it is characterized in that, disconnected quick-fried mechanism is installed on the rifle head of perforating gun, installs at the tail end of perforating gun and meets water perforate mechanism, and two mechanisms are used, and wherein, meets the gun breech of water perforate mechanism double as perforating gun;
Described disconnected quick-fried mechanism comprises: first booster gains (1), piston retaining spiral shell (2), piston (3), second booster gains (4), directional bond (5), spring (6), the 3rd booster gains (7), disconnected quick-fried joint (8) and booster gains retaining spiral shell (9);
Wherein, One end of disconnected quick-fried joint (8) has external screw thread, and the other end has internal thread, and there is centre bore at disconnected quick-fried joint (8) center; Radially have side opening at disconnected quick-fried joint (8); One step is arranged at the bottom of side opening, and the step of this step and piston (3) overlaps coaxial to guarantee in first booster gains (1), second booster gains (4) and the 3rd booster gains (7) the propagation of explosion process, and this side opening is through the centre bore of disconnected quick-fried joint (8); First booster gains (1) is installed in disconnected quick-fried joint (8) the central upper portion hole; Spring (6) is installed on the side opening bottom of disconnected quick-fried joint (8); Second booster gains (4) is installed in piston (3) side opening; The piston (3) that has step is installed in disconnected quick-fried joint (8) side opening, and directional bond (5) is installed in the keyway of disconnected quick-fried joint (8) and piston (3), and is coaxial with the centre bore and piston (3) the side opening center of guaranteeing disconnected quick-fried joint (8); Piston retaining spiral shell (2) is through screw thread clamping piston (3); On the piston retaining spiral shell (2) centre bore is arranged, the 3rd booster gains (7) is installed in disconnected quick-fried joint (8) the male end centre bore, and booster gains retaining spiral shell (9) limits the 3rd booster gains (7) through being threaded;
Described chance water perforate mechanism comprises: sealing rubber pad (21), jacking block (22), expansion agent (23), steel pipe (24) and gun breech seat (25);
Wherein, Gun breech seat (25) external screw thread one end center is provided with blind hole (26); Radially have step side blind hole at gun breech seat (25), this side blind hole is equipped with steel pipe (24) through the blind hole (26) at gun breech seat (25) center in the side blind hole; Expansion agent (23) and jacking block (22) are housed in the steel pipe (24), and sealing rubber pad (21) is installed on the fixing and sealing with steel pipe (24) in the step side blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910021820A CN101575965B (en) | 2009-04-02 | 2009-04-02 | Perforating explosion-proof gun device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910021820A CN101575965B (en) | 2009-04-02 | 2009-04-02 | Perforating explosion-proof gun device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101575965A CN101575965A (en) | 2009-11-11 |
| CN101575965B true CN101575965B (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910021820A Expired - Fee Related CN101575965B (en) | 2009-04-02 | 2009-04-02 | Perforating explosion-proof gun device |
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| Country | Link |
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| CN (1) | CN101575965B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014089194A1 (en) | 2012-12-04 | 2014-06-12 | Schlumberger Canada Limited | Perforating gun with integrated initiator |
| WO2014179669A1 (en) | 2013-05-03 | 2014-11-06 | Schlumberger Canada Limited | Cohesively enhanced modular perforating gun |
| CN103498649A (en) * | 2013-09-23 | 2014-01-08 | 中国石油天然气股份有限公司 | Safety device for detonation |
| WO2015039346A1 (en) * | 2013-09-23 | 2015-03-26 | 中国石油天然气股份有限公司 | Detonation safety device |
| US10400558B1 (en) * | 2018-03-23 | 2019-09-03 | Dynaenergetics Gmbh & Co. Kg | Fluid-disabled detonator and method of use |
| US11377935B2 (en) | 2018-03-26 | 2022-07-05 | Schlumberger Technology Corporation | Universal initiator and packaging |
| US10982513B2 (en) | 2019-02-08 | 2021-04-20 | Schlumberger Technology Corporation | Integrated loading tube |
| USD1016958S1 (en) | 2020-09-11 | 2024-03-05 | Schlumberger Technology Corporation | Shaped charge frame |
| CN116472395A (en) | 2020-11-13 | 2023-07-21 | 斯伦贝谢技术有限公司 | Directional perforation tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693317A (en) * | 1985-06-03 | 1987-09-15 | Halliburton Company | Method and apparatus for absorbing shock |
| CN1122406A (en) * | 1994-11-01 | 1996-05-15 | 地矿部西南石油地质局 | Perforator |
| CN2453131Y (en) * | 2000-09-05 | 2001-10-10 | 大港油田集团测井公司 | Oil well perforating gun decompression device |
| CN2743536Y (en) * | 2004-11-29 | 2005-11-30 | 历民 | Composite integrated hole shooting gun |
| CN101435326A (en) * | 2008-11-24 | 2009-05-20 | 中国石油集团长城钻探工程有限公司 | Oil pipe transmission type perforation anti-explosion gun protection method |
-
2009
- 2009-04-02 CN CN200910021820A patent/CN101575965B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693317A (en) * | 1985-06-03 | 1987-09-15 | Halliburton Company | Method and apparatus for absorbing shock |
| CN1122406A (en) * | 1994-11-01 | 1996-05-15 | 地矿部西南石油地质局 | Perforator |
| CN2453131Y (en) * | 2000-09-05 | 2001-10-10 | 大港油田集团测井公司 | Oil well perforating gun decompression device |
| CN2743536Y (en) * | 2004-11-29 | 2005-11-30 | 历民 | Composite integrated hole shooting gun |
| CN101435326A (en) * | 2008-11-24 | 2009-05-20 | 中国石油集团长城钻探工程有限公司 | Oil pipe transmission type perforation anti-explosion gun protection method |
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| Publication number | Publication date |
|---|---|
| CN101575965A (en) | 2009-11-11 |
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