CN201218089Y - Electric perforating multi-time security igniting circuit conversion device - Google Patents
Electric perforating multi-time security igniting circuit conversion device Download PDFInfo
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- CN201218089Y CN201218089Y CNU2008200485445U CN200820048544U CN201218089Y CN 201218089 Y CN201218089 Y CN 201218089Y CN U2008200485445 U CNU2008200485445 U CN U2008200485445U CN 200820048544 U CN200820048544 U CN 200820048544U CN 201218089 Y CN201218089 Y CN 201218089Y
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- igniting
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- electric
- ignition
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Abstract
The utility model discloses a circuit changeover gear used for controlling the safe ignition of an electric perforating hole for many times. The circuit changeover gear is characterized in that three termipoints and a switch point are arranged in the microswitch of an igniting component, the three termipoints are respectively connected with the metal contact pins of sealing contact pins through leads, a cable core wire, an upper exploding wire and a lower exploding wire are respectively connected with the metal contact pins of the sealing contact pins through an igniting seal sleeve, a positive-electricity igniting seal sleeve and a negative-electricity igniting seal sleeve, a switch lever is arranged in the connector of the igniting component, a thimble at the rear end of the switch lever faces to the switch point shrapnel of the microswitch, a return spring is arranged at the rear end of the switch lever, and the switch lever is fixed in the interior part of the connector of the igniting component by a positioning plug screw. The utility model has the advantages that the connection and the operation are convenient, and the igniting circuit is connected through the conventional method after the circuit changeover gear is directly arranged and fixed in the connector of a perforating gun, the igniting method is adjusted according to the construction requirements, the circuit changeover gear can be repeatedly used for many times, the operating cycle is shortened, the security of the operation is improved, and the construction cost is saved.
Description
Technical field
The utility model relates to oil gas well electricity perforating job apparatus field, specifically is repeatedly safety ignition circuit conversion device of a kind of electric perforation that can realize once carrying a plurality of perforated zones of gradation igniting perforation.
Background technology
In the oil gas well completion operation, perforating job is the important ring in the oil production technology.In some oil gas well, the reservoir of oil-containing, gas is discontinuous, needs respectively these oil and gas reservoirs to be carried out perforation in the perforation construction.If adopt the conventional once cable conveying gun perforation method of igniting, need gradation that perforating gun is sent in the oil gas well, both prolonged duty cycle, increase operating cost again.Or in the direct-on-line road diode is set, just connecing with the circuit reversal connection two reservoirs of perforation of realizing once carrying, light a fire for twice by circuit; This method increases the probability of mistake energising, mis-ignition, and the safety of operation can not get ensureing.
The utility model content
The purpose of this utility model is the problem that exists in the perforating oil gas well operation that needs the layering perforation of carrying at above-mentioned cable, proposes a kind ofly can carry out the light a fire electric perforation safety ignition circuit conversion device repeatedly of a plurality of reservoirs of perforation of the disposable conveying of cable, gradation safely, accurately.
Function of the present utility model is achieved in that repeatedly safety ignition circuit conversion device of electric perforation, comprise ignition module, igniter head sleeve, connect plug screw, the ignition module sealing is arranged in igniter head sleeve, connects plug screw and igniter head sleeve is fixed in the gun joint of perforating gun; Described ignition module comprises sealing contact pin, microswitch, switch lever, return spring, ignition module joint, location plug screw, described microswitch is provided with three wiring points and switching point, and three wiring points are connected by the metal ferrule of lead with the sealing contact pin respectively; Cable core, go up the detonator line and down the detonator line be connected with the metal ferrule that seals contact pin by the lead on igniting sealing shroud, positive electric ignition sealing shroud and the negative electricity igniting sealing shroud respectively; Switch lever is arranged in the ignition module joint, and the thimble of switch lever end is facing to the switching point shell fragment of microswitch, and the return spring of switch lever and the switch lever end plug screw that is positioned is fixed on the inside of ignition module joint.
Described detonator line down is sealed with negative electricity igniting sealing shroud with sealing contact pin junction; Last detonator line is sealed with positive electric ignition sealing shroud with sealing contact pin junction; Cable core is provided with the igniting sealing shroud with sealing contact pin junction.
Be provided with the diode of restriction electric current in the upper strata perforating gun igniting line that the detonator line of described cable core, igniting sealing shroud, positive electric ignition sealing shroud and upper strata perforating gun is formed; Be provided with the diode of restriction electric current in lower floor's perforating gun igniting line that the detonator line of described cable core, igniting sealing shroud, negative electricity igniting sealing shroud and lower floor's perforating gun is formed.
Described sealing contact pin can be to use the mode of screw thread to be connected with the ignition module joint.
Can be provided with sealing ring on the outside of described igniting sleeve and the gun joint.
Can be provided with sealing ring on the described ignition module joint.
Can be provided with sealing ring on the described switch lever.
Can be provided with sealing ring on the plug screw of described location.
Can be provided with sealing ring on the described sealing contact pin.
Described sealing ring can be the high-temperature resistant rubber sealing ring.
The top of described igniter head sleeve can be provided with a through hole.
This electric perforation is the safety ignition circuit conversion device repeatedly, both can realize that cable is carried, a plurality of oil and gas reservoirs of perforation of repeatedly lighting a fire, and can guarantee the ignition order igniting by design again.Before lower floor's perforating gun perforation, upper strata perforating gun firing circuit is in off state, and lower floor's perforating gun not perforation and the situation of perforation upper strata perforating gun in advance can not take place.The diode design that adopts can be selected positive contact fire of circuit and circuit reversal connection igniting, significantly reduces even eliminates the accident that the perforating gun that causes because maloperation is switched on shifts to an earlier date perforation.The utility model connects, easy and simple to handle, directly it is packed in the perforating gun joint of the transformation of the way fixing after, connect igniting line according to a conventional method and get final product; Can repeated multiple times use, and can shorten duty cycle, improve the safety of operation, save operating expenses.
Description of drawings
Fig. 1 is the repeatedly pipe string schematic diagram of safety ignition circuit conversion device of the utility model electricity perforation;
Fig. 2 is the repeatedly structural representation that is connected with gun joint of safety ignition circuit conversion device of the utility model electricity perforation;
Fig. 3 is the repeatedly structural representation of safety ignition circuit conversion device of the utility model electricity perforation;
Fig. 4 is a repeatedly safety ignition circuit conversion device ignition module schematic diagram of the utility model electricity perforation;
Fig. 5 is the repeatedly circuit diagram of safety ignition circuit conversion device microswitch of the utility model electricity perforation.
The specific embodiment
Repeatedly safety ignition circuit conversion device and method of work thereof are described in detail to the utility model electricity perforation below in conjunction with the accompanying drawing instantiation.
As shown in Figure 1, the utility model electricity perforation repeatedly safety ignition circuit conversion device 8 is in the gun joint 7 that is connected between upper strata perforating gun 5 and the lower floor's perforating gun 11, fixedlys connected with gun joint 7 by the screw thread that connects on the plug screw 16.Lead on the igniting sealing shroud 17 in the utility model is connected with the heart yearn 2 of cable 1; The lead of positive electric ignition sealing shroud 18 and upper strata perforating gun 5 interior electric caps 6 are connected; The lead of negative electricity igniting sealing shroud 23 and lower floor perforating gun 11 interior electric caps 12 are connected.
As Fig. 2, Fig. 3 and shown in Figure 4, electric perforation is safety ignition circuit conversion device 8 repeatedly, comprises ignition module 15, igniter head sleeve 14, connects plug screw 16.Ignition module 15 sealings are arranged in igniter head sleeve 14, connect plug screw 16 igniter head sleeve 14 is fixed in the perforating gun gun joint 7.Ignition module 15 comprises sealing contact pin 19, microswitch 20, switch lever 22, return spring 21, ignition module joint 24 and location plug screw 25, and ignition module joint 24 will seal contact pin 19, positive electric ignition sealing shroud 18, negative electricity igniting sealing shroud 23, igniting sealing shroud 17, microswitch 20, switch lever 22, return spring 21 and location plug screw 25 and connect into an integral body.Can be provided with three wiring points (o, ck and cb) and switching point 27 on the microswitch 20, three wiring points are connected with metal ferrule on being arranged on ignition module joint 24 by lead respectively, the lead 6-1 of cable core 2, detonator 6 and the lead 12-1 of detonator 12 are connected with sealing contact pin 19, respectively by igniting sealing shroud 17, the lead of sealing shroud 18 and negative electricity igniting on the sealing shroud 23 of lighting a fire is connected with the metal ferrule that seals contact pin 19 on schedule; Switch lever 22 is arranged in the ignition module joint 24, the thimble of switch lever 22 ends is facing to the shell fragment in the switching point outside of microswitch 20, switch lever 22 ends are provided with return spring 21, and switch lever 22 and return spring 21 plug screw 25 that is positioned is fixed on the inside of ignition module joint 24.The top of igniter head sleeve 14 is provided with a through hole, and the purpose of igniter head sleeve 14 is that igniter head assembly 15 is packed into wherein, protection igniter head assembly 24 internal circuits.Sealing contact pin 19 is provided with three altogether, the lead 12-1 of the lead 6-1 of respectively connected cable core 2, detonator 6 and detonator 12 is connected with internal wiring in the microswitch 20, and the firing circuit of upper and lower layer perforating gun passes through to seal contact pin 19 and links to each other with the circuit of microswitch 20 inside.
The lead 12-1 of detonator 12 and sealing contact pin 19 places of connecing are sealed with negative electricity igniting sealing shroud 23; The lead 6-1 of last detonator 6 is sealed with positive electric ignition sealing shroud 18 with sealing contact pin 19 junctions; Cable core 2 is provided with igniting sealing shroud 17 with sealing contact pin 19 junctions.Above-mentioned igniting sealing shroud is generally rubber sealing boot, is enclosed within on the sealing contact pin 19; Sealing contact pin 19 is sealed, make the interior liquid of well not enter ignition module 15 internal damage change-over circuits by sealing contact pin 19 centers.
The upper strata perforating gun igniting line that the detonator line of cable core 2, igniting sealing shroud 17, positive electric ignition sealing shroud 18 and upper strata perforating gun is formed; Lower floor's perforating gun igniting line that the detonator line of cable core 2, igniting sealing shroud 17, negative electricity igniting sealing shroud 23 and lower floor's perforating gun is formed.Be provided with the diode 26 of restriction electric current in upper strata perforating gun igniting line and the lower floor's perforating gun igniting line, diode 26 has the effect of selecting electric current.Diode 26 can be to be welded on negative electricity igniting sealing shroud 23 and positive electric ignition sealing shroud 18 inside conductors middle part, utilizes the characteristic of 26 pairs of electric currents of diode, the flow direction of restriction electric current.Wherein, the lead in the positive electric ignition sealing shroud 18 can to the restricted effect of electric current, when circuit just connects, allow electric current to pass through diode 26 by sealing contact pin 19 backs for forward welds with the diode 26 that limits electric current; Lead in the negative electricity igniting sealing shroud 23 can to the restricted effect of electric current, when the circuit reversal connection, allow electric current to pass through diode 26 by sealing contact pin 19 backs for backstep welding connects with the diode 26 that limits electric current.
Sealing ring on two sealing rings on two sealing rings of igniter head sleeve 14 outsides, four sealing rings on the ignition module joint 24, two sealing rings on the switch lever 22, the location plug screw 25, igniting sealing shroud 17, positive electric ignition sealing shroud 18, negative electricity igniting sealing shroud 23 and the sealing contact pin 19, the sealing of holding point duration and degree of heating assembly; These sealing rings can be under 15～200 ℃ condition, at 48h with its excellent sealing performance of interior maintenance.
Sealing contact pin 19 is to use the mode of screw thread to be connected with ignition module joint 24, and metal ferrule that it is inner and 24 insulation of igniter head assembly joint are ingredients of igniting line; There are two sealing rings its outside, makes the interior liquid of well not enter this circuit conversion inside by sealing contact pin side.
Work time,, behind the lead of the internal circuit of the lead of electric current by cable core 2, igniting sealing shroud 17, microswitch 20, the lead of negative electricity igniting sealing shroud 23 and electric cap 12, ignite electric cap 12 from the well head energising.Electric cap 12 is ignited detonating fuse 9, and detonating fuse 9 is ignited perforating bullet 10.The metal jet that perforating bullet 10 blast backs produce is bored a hole the gun barrel of lower floor's perforating gun 11, and penetrates stratum 13 certain depths.Liquid in the oil gas well enters lower floor's perforating gun 11 inside by the eyelet on lower floor's perforating gun 11 gun barrels.
Pressure pull switch bar 22 compression retracteding position springs 21 in the oil gas well upwards slide.Depress the switching point of microswitch 20.The internal circuit of microswitch is converted to the firing circuit of upper strata perforating gun 5.From well head energising, behind the lead and the lead of electric cap 6 of electric current by the lead of cable core 2, igniting sealing shroud 17, the internal circuit of microswitch 20, positive electric ignition sealing shroud 18, ignite electric cap 6.Electric cap 6 is ignited detonating fuse 3, and detonating fuse 3 is ignited perforating bullet 4.The metal jet that perforating bullet 4 blast backs produce is bored a hole the gun barrel of upper strata perforating gun 5, and penetrates the stratum certain depth.
Claims (10)
1. electric perforation is the safety ignition circuit conversion device repeatedly, comprise ignition module, igniter head sleeve, connect plug screw, the ignition module sealing is arranged in igniter head sleeve, connecting plug screw is fixed in igniter head sleeve in the perforating gun gun joint, it is characterized in that: described ignition module comprises the sealing contact pin, microswitch, switch lever, return spring, the ignition module joint, the location plug screw, cable core, last detonator line and following detonator line are respectively by the igniting sealing shroud, lead on positive electric ignition sealing shroud and the negative electricity igniting sealing shroud is connected with the metal ferrule that seals contact pin, and described three metal ferrules are connected with wiring point in the microswitch by lead respectively; Switch lever is arranged in the ignition module joint, and the thimble of switch lever end is facing to switching point shell fragment in the microswitch, and the return spring of switch lever and the switch lever end plug screw that is positioned is fixed on the inside of ignition module joint.
2. electric perforation as claimed in claim 1 is the safety ignition circuit conversion device repeatedly, it is characterized in that: described detonator line down is sealed with negative electricity igniting sealing shroud with sealing contact pin junction; Last detonator line is sealed with positive electric ignition sealing shroud with sealing contact pin junction; Cable core is provided with the igniting sealing shroud with sealing contact pin junction.
3. electric perforation as claimed in claim 1 is the safety ignition circuit conversion device repeatedly, it is characterized in that: the diode that is provided with the restriction electric current in the upper strata perforating gun igniting line that the detonator line of described cable core, igniting sealing shroud, positive electric ignition sealing shroud and upper strata perforating gun is formed; Be provided with the diode of restriction electric current in lower floor's perforating gun igniting line that the detonator line of described cable core, igniting sealing shroud, negative electricity igniting sealing shroud and upper strata perforating gun is formed.
4. electric perforation as claimed in claim 1 is the safety ignition circuit conversion device repeatedly, it is characterized in that: described sealing contact pin is to use the mode of screw thread to be connected with the ignition module joint.
5. electric perforation as claimed in claim 1 is the safety ignition circuit conversion device repeatedly, it is characterized in that: the outside and the gun joint of described igniting sleeve are provided with sealing ring.
6. electric perforation as claimed in claim 1 is the safety ignition circuit conversion device repeatedly, it is characterized in that: described ignition module joint is provided with sealing ring.
7. electric perforation as claimed in claim 1 is the safety ignition circuit conversion device repeatedly, it is characterized in that: described switch lever and location plug screw are provided with sealing ring.
8. electric perforation as claimed in claim 1 is the safety ignition circuit conversion device repeatedly, it is characterized in that: described sealing contact pin is provided with sealing ring.
9. electric perforation as claimed in claim 1 is the safety ignition circuit conversion device repeatedly, it is characterized in that: a through hole is arranged at described igniter head sleeve top.
10. as claim 5,6,7 or 8 described electric perforations safety ignition circuit conversion device repeatedly, it is characterized in that: described sealing ring is the high-temperature resistant rubber sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200485445U CN201218089Y (en) | 2008-05-30 | 2008-05-30 | Electric perforating multi-time security igniting circuit conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200485445U CN201218089Y (en) | 2008-05-30 | 2008-05-30 | Electric perforating multi-time security igniting circuit conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218089Y true CN201218089Y (en) | 2009-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200485445U Expired - Lifetime CN201218089Y (en) | 2008-05-30 | 2008-05-30 | Electric perforating multi-time security igniting circuit conversion device |
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| CN (1) | CN201218089Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306646A (en) * | 2012-03-12 | 2013-09-18 | 中国石油化工股份有限公司 | Control device and control method thereof for oil-gas well multistage perforator |
| CN104847316A (en) * | 2015-04-14 | 2015-08-19 | 川南航天能源科技有限公司 | Bridge plug gunpowder driving type multilevel gun perforation method |
| CN109690019A (en) * | 2016-07-27 | 2019-04-26 | 地球动力学公司 | Selection igniting on-off control system and method |
| CN110424930A (en) * | 2019-08-20 | 2019-11-08 | 成都若克菲斯科技有限公司 | A kind of quick change perforating gun |
| US11047216B2 (en) | 2015-02-20 | 2021-06-29 | Geodynamics, Inc. | Select fire switch form factor system and method |
| US11733016B2 (en) | 2017-04-18 | 2023-08-22 | DynaEnergetics Europe GmbH | Pressure bulkhead structure with integrated selective electronic switch circuitry |
-
2008
- 2008-05-30 CN CNU2008200485445U patent/CN201218089Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306646A (en) * | 2012-03-12 | 2013-09-18 | 中国石油化工股份有限公司 | Control device and control method thereof for oil-gas well multistage perforator |
| US11047216B2 (en) | 2015-02-20 | 2021-06-29 | Geodynamics, Inc. | Select fire switch form factor system and method |
| US11920442B2 (en) | 2015-02-20 | 2024-03-05 | Geodynamics, Inc. | Select fire switch form factor system and method |
| CN104847316A (en) * | 2015-04-14 | 2015-08-19 | 川南航天能源科技有限公司 | Bridge plug gunpowder driving type multilevel gun perforation method |
| CN104847316B (en) * | 2015-04-14 | 2018-07-20 | 川南航天能源科技有限公司 | The driving multi-stage perforator method of bridge plug gunpowder |
| CN109690019A (en) * | 2016-07-27 | 2019-04-26 | 地球动力学公司 | Selection igniting on-off control system and method |
| CN109690019B (en) * | 2016-07-27 | 2020-08-04 | 地球动力学公司 | Selective ignition switch control system and method |
| US11733016B2 (en) | 2017-04-18 | 2023-08-22 | DynaEnergetics Europe GmbH | Pressure bulkhead structure with integrated selective electronic switch circuitry |
| CN110424930A (en) * | 2019-08-20 | 2019-11-08 | 成都若克菲斯科技有限公司 | A kind of quick change perforating gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160704 Address after: 646605 Luzhou City, Sichuan province Longmatan District Road No. 010220 dam space Patentee after: Sky Energy Science Co., Ltd of river South Airways Address before: 646000 box four, Luzhou, Sichuan Patentee before: Chuannan Machinery Works, China Astronautics Science &. Technology Group Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090408 |