CN204329720U - Perforating gun gun barrel dynamic response testing arrangement under a kind of blast load - Google Patents
Perforating gun gun barrel dynamic response testing arrangement under a kind of blast load Download PDFInfo
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- CN204329720U CN204329720U CN201320744704.0U CN201320744704U CN204329720U CN 204329720 U CN204329720 U CN 204329720U CN 201320744704 U CN201320744704 U CN 201320744704U CN 204329720 U CN204329720 U CN 204329720U
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- gun barrel
- perforating gun
- mechanics sensor
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Abstract
Perforating gun gun barrel dynamic response testing arrangement under a kind of blast load, belongs to pulse in petroleum exploration and development and penetrates perforating technology field.Mechanics sensor is arranged on perforating gun gun barrel; High dynamic strain indicator is connected with mechanics sensor; Stress ga(u)ge is connected with mechanics sensor; Charge amplifier is connected with mechanics sensor; Multichannel data acquisition device is connected with high dynamic strain indicator, stress ga(u)ge and charge amplifier; Oscillograph is connected with Multichannel data acquisition device; Computer is connected with Multichannel data acquisition device.The utility model can measure the parameter such as acceleration of the stress of perforating gun gun barrel local, strain, wall shock wave load and gun barrel entirety, can be tubing string unstability and damage mechanism analysis provides Data support.Avoid the loss that direct perforating job may cause, saved testing expenses, there is high security simultaneously.
Description
Technical field
The utility model relates to perforating gun gun barrel dynamic response testing arrangement under a kind of blast load, belongs to pulse in petroleum exploration and development and penetrates perforating technology field.
Background technology
Along with oil-gas exploration and development creeps into deep layer, occurred the ultradeep well of more than 7000 meters, when the powder charge of large power perforation and large density perforation, complicated perforation environment makes the impaired Frequent Accidents of tubing string caused because of perforating job.Owing to having bored the cost of a bite well up to more than one hundred million unit, therefore higher requirement is proposed to perforating job, safe perforation must have been ensured.So, effectively reduce Explosive Shock Loading to the impact of tubing string, avoid the appearance of perforated interval sleeve pipe and tubing string unstability and damage phenomenon as far as possible, become significant problem urgently to be resolved hurrily in perforating technology evolution.For this problem, test gun barrel under perforating job blast load condition in advance, the dynamic response parameter of tubing string can be tubing string unstability and damage mechanism analysis provides Data support.But there is no corresponding device and method at present to carry out perforating gun gun barrel dynamic response test under blast load.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides perforating gun gun barrel dynamic response testing arrangement under a kind of blast load.
Perforating gun gun barrel dynamic response testing arrangement under a kind of blast load, mechanics sensor is arranged on perforating gun gun barrel; High dynamic strain indicator is connected with mechanics sensor; Stress ga(u)ge is connected with mechanics sensor; Charge amplifier is connected with mechanics sensor; Multichannel data acquisition device is connected with high dynamic strain indicator, stress ga(u)ge and charge amplifier; Oscillograph is connected with Multichannel data acquisition device; Computer is connected with Multichannel data acquisition device.
As preferably, described mechanics sensor comprises:
First foil gauge is connected with high dynamic strain indicator;
Second foil gauge is connected with stress ga(u)ge;
Piezoelectric pressure indicator is connected with charge amplifier;
Piezoelectric acceleration transducer is connected with charge amplifier.
Described first foil gauge is positioned at the position relative with the perforating bullet of perforating gun with the second foil gauge, and described first foil gauge and the second strain gauge adhesion are on the gun barrel wall of perforating gun.
Described first foil gauge is two, and described second foil gauge is two, two the first foil gauges and two the second foil gauges are mutually orthogonal is symmetrical arranged.
Described piezoelectric pressure indicator is by being screwed in the tapped through hole on the gun barrel wall of perforating gun, and the sensitive area element of described piezoelectric pressure indicator is inside gun barrel.
Described piezoelectric acceleration transducer is by being screwed in the screwed hole on the gun barrel wall of perforating gun.
The perforating bullet both sides axial distance that described piezoelectric pressure indicator and piezoelectric acceleration transducer lay respectively at perforating gun is the position of 50mm.
Perforating bullet in described perforating gun connects detonator initiator by primacord, and described detonator initiator is connected with electric probe, and described electric probe connects synchronizer trigger, described synchronizer trigger connecting multi-channel data acquisition unit.
Compared with prior art, the beneficial effects of the utility model are:
Perforating gun gun barrel dynamic response testing arrangement simplicity of design under blast load of the present utility model, test in pond, ground, a ground experiment, the parameter such as acceleration of the stress of perforating gun gun barrel local, strain, wall shock wave load and gun barrel entirety can be measured, can be tubing string unstability and damage mechanism analysis provides Data support.Avoid the loss that direct perforating job may cause, saved testing expenses, there is high security simultaneously.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the utility model better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide further understanding of the present utility model, form a part of the present utility model, schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model, wherein:
Fig. 1 is perforating gun gun barrel dynamic response testing arrangement structural representation under blast load of the present utility model.
The structured flowchart of perforating gun gun barrel dynamic response testing arrangement under Fig. 2 blast load of the present utility model.
Fig. 3 is the distribution schematic diagram of mechanics sensor in perforating gun gun barrel dynamic response testing arrangement under blast load of the present utility model.
Fig. 4 is the layout of foil gauge in perforating gun gun barrel dynamic response testing arrangement under blast load of the present utility model.
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Detailed description of the invention
Obviously, those skilled in the art belong to protection domain of the present utility model based on the many modifications and variations that aim of the present utility model is done.
Embodiment 1: as shown in Figure 1, Figure 2, Figure 3 and Figure 4, perforating gun gun barrel dynamic response testing arrangement under a kind of blast load, mechanics sensor 2 is arranged on perforating gun gun barrel 13; High dynamic strain indicator 5 is connected with mechanics sensor 2; Stress ga(u)ge 18 is connected with mechanics sensor 2; Charge amplifier 4 is connected with mechanics sensor 2; Multichannel data acquisition device 6 is connected with high dynamic strain indicator 5, stress ga(u)ge 18 and charge amplifier 4; Oscillograph 19 is connected with Multichannel data acquisition device 6; Computer 20 is connected with Multichannel data acquisition device 6.
Embodiment 2: as shown in Figure 1, Figure 2, Figure 3 and Figure 4, perforating gun gun barrel dynamic response testing arrangement under a kind of blast load, for under charge explodes load, record perforating gun gun barrel 13 dynamic response parameter, perforating bullet 14 wherein in perforating gun connects detonator initiator 16 by primacord 15, and testing arrangement of the present utility model comprises:
Mechanics sensor 2, is arranged on perforating gun gun barrel 13, for measuring the change history of the dynamic strain of gun barrel 13 wall, the change history of dynamic stress change history, the change history of positive pressure of shock wave and the acceleration of gun barrel;
High dynamic strain indicator 5, is connected with mechanics sensor 2, exports strain testing data;
Stress ga(u)ge 18, is connected with mechanics sensor 2, exports stress test data;
Charge amplifier 4, is connected with mechanics sensor 2, output pressure detecting information and acceleration test data;
Multichannel data acquisition device 6, is connected with high dynamic strain indicator 5, stress ga(u)ge 18 and charge amplifier 4, gathers the data that high dynamic strain indicator 5, stress ga(u)ge 18 and charge amplifier 4 export respectively;
Oscillograph 19, is connected with Multichannel data acquisition device 6, shows with waveform graph the data that Multichannel data acquisition device 6 gathers;
Computer 20, is connected with Multichannel data acquisition device 6, stores the data that Multichannel data acquisition device 6 gathers.
Embodiment 3: as shown in Figure 1, Figure 2, Figure 3 and Figure 4, perforating gun gun barrel dynamic response testing arrangement under a kind of blast load, preferred as above-described embodiment, in the utility model, mechanics sensor 2 can adopt suitable device to detect corresponding dynamic response parameter as required, as mechanics sensor 2 can be made up of foil gauge 9, piezoelectric pressure indicator 10 and piezoelectric acceleration transducer 11:
Foil gauge 9 is used for measuring the change history of dynamic strain and the change history of dynamic stress of gun barrel wall, and wherein foil gauge 9 comprises the first foil gauge 91 and the second foil gauge 92;
First foil gauge 91, is measured the change history of the dynamic strain of gun barrel wall, is connected by high-frequency transmission cable 3 with high dynamic strain indicator 5;
Second foil gauge 92, is measured the change history of the dynamic stress of gun barrel wall, is connected by high-frequency transmission cable 3 with stress ga(u)ge 18;
Piezoelectric pressure indicator 10, is measured the change history of positive pressure of shock wave of gun barrel wall and the change history of the acceleration of gun barrel, is connected by high-frequency transmission cable 3 with charge amplifier 4;
Piezoelectric acceleration transducer 11, is measured the change history of the acceleration of gun barrel, is connected by high-frequency transmission cable 3 with charge amplifier 4.
Embodiment 4: as shown in Figure 1, Figure 2, Figure 3 and Figure 4, perforating gun gun barrel dynamic response testing arrangement under a kind of blast load, preferred as above-described embodiment, first foil gauge 91 is positioned at the position relative with the perforating bullet of perforating gun with the second foil gauge 92, and the first foil gauge and the second foil gauge epoxide-resin glue are pasted on the gun barrel wall of perforating gun.See Fig. 1 and Fig. 4, in the present embodiment, the first foil gauge 91 is two, and the second foil gauge 92 is also two, two the first foil gauges 91 and two the second foil gauges 92 are mutually orthogonal is symmetrical arranged.
See Fig. 3, piezoelectric pressure indicator 10 is by being screwed in the tapped through hole on the gun barrel wall of perforating gun, and the sensitive area element of piezoelectric pressure indicator 10 is inside gun barrel.The sensitive area element of piezoelectric pressure indicator 10 should be as far as possible concordant with the internal face of gun barrel 13.
See Fig. 3, piezoelectric acceleration transducer 11 is by being screwed in the screwed hole on the gun barrel wall of perforating gun.
See Fig. 3, the perforating bullet both sides axial distance that piezoelectric pressure indicator 10 and piezoelectric acceleration transducer 11 lay respectively at perforating gun is the position of 50mm.
See Fig. 1, detonator initiator 16 is connected with electric probe 1, and electric probe 1 connects synchronizer trigger 17, synchronizer trigger 17 connecting multi-channel data acquisition unit 6.
Embodiment 5: as shown in Figure 1, Figure 2, Figure 3 and Figure 4, perforating gun gun barrel dynamic response testing arrangement under a kind of blast load, the process of carrying out perforating gun gun barrel dynamic response test under blast load is specific as follows.Adopt one piece of 89 type perforating bullet, 89 type perforation casings, firing mount and primacord, detonator initiator etc. in the present embodiment, the length of gun barrel is decided to be 550mm, and the length of firing mount mid portion is 350mm, and perforating bullet is installed on the middle part of gun barrel.Be contained in firing mount by perforating bullet 14, primacord 15 is wrapped on firing mount, and ensures to contact well with the electric cap 16 on perforating bullet 14; The firing mount installing perforating bullet 14 loads in perforating gun.After mechanics sensor 2 and miscellaneous part being connected by the structure of above-described embodiment, hung on by perforating gun and be marked with in the container 7 of water, perforating bullet is positioned at below the water surface.By oscillograph observable experimental data after detonating, and experimental data is stored in computer.
As mentioned above, embodiment of the present utility model is explained, but as long as do not depart from inventive point of the present utility model in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection domain of the present utility model.
Claims (4)
1. a perforating gun gun barrel dynamic response testing arrangement under blast load, is characterized in that mechanics sensor is arranged on perforating gun gun barrel; High dynamic strain indicator is connected with mechanics sensor; Stress ga(u)ge is connected with mechanics sensor; Charge amplifier is connected with mechanics sensor; Multichannel data acquisition device is connected with high dynamic strain indicator, stress ga(u)ge and charge amplifier;
Mechanics sensor comprises:
First foil gauge is connected with high dynamic strain indicator;
Second foil gauge is connected with stress ga(u)ge;
Piezoelectric pressure indicator is connected with charge amplifier;
Piezoelectric acceleration transducer is connected with charge amplifier; First foil gauge is positioned at the position relative with the perforating bullet of perforating gun with the second foil gauge, and the first foil gauge and the second strain gauge adhesion are on the gun barrel wall of perforating gun; First foil gauge is two, and the second foil gauge is two, two the first foil gauges and two the second foil gauges are mutually orthogonal is symmetrical arranged; Piezoelectric pressure indicator is by being screwed in the tapped through hole on the gun barrel wall of perforating gun, and the sensitive area element of piezoelectric pressure indicator is inside gun barrel.
2. perforating gun gun barrel dynamic response testing arrangement under a kind of blast load according to claim 1, is characterized in that piezoelectric acceleration transducer passes through to be screwed in the screwed hole on the gun barrel wall of perforating gun.
3. perforating gun gun barrel dynamic response testing arrangement under a kind of blast load according to claim 1, is characterized in that the perforating bullet both sides axial distance that piezoelectric pressure indicator and piezoelectric acceleration transducer lay respectively at perforating gun is the position of 50mm.
4. perforating gun gun barrel dynamic response testing arrangement under a kind of blast load according to claim 1, it is characterized in that the perforating bullet in perforating gun connects detonator initiator by primacord, detonator initiator is connected with electric probe, electric probe connects synchronizer trigger, synchronizer trigger connecting multi-channel data acquisition unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744704.0U CN204329720U (en) | 2013-11-22 | 2013-11-22 | Perforating gun gun barrel dynamic response testing arrangement under a kind of blast load |
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| CN201320744704.0U CN204329720U (en) | 2013-11-22 | 2013-11-22 | Perforating gun gun barrel dynamic response testing arrangement under a kind of blast load |
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| CN204329720U true CN204329720U (en) | 2015-05-13 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091662A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Testing device and testing method for gun barrel of perforating gun |
| CN105445187A (en) * | 2015-11-11 | 2016-03-30 | 北京理工大学 | Experiment device and method for studying impact chemical reaction characteristic of energy-contained jet material |
| CN106908339A (en) * | 2017-02-14 | 2017-06-30 | 西南石油大学 | A kind of Oil/gas Well downhole perforation blast perforation tubular column Experiments of Machanics system and method |
| CN108894758A (en) * | 2018-06-05 | 2018-11-27 | 西安物华巨能爆破器材有限责任公司 | A kind of oil/gas well multi-stage perforator initiation control method based on accelerometer |
| US10597979B1 (en) | 2018-09-17 | 2020-03-24 | DynaEnergetics Europe GmbH | Inspection tool for a perforating gun segment |
| CN111983179A (en) * | 2020-08-24 | 2020-11-24 | 大连理工大学 | Energy-gathered explosive-charging underwater explosion experimental device |
| CN114046960A (en) * | 2022-01-12 | 2022-02-15 | 中国空气动力研究与发展中心空天技术研究所 | Pneumatic probe steady flow field continuous testing method based on dynamic calibration in advance |
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2013
- 2013-11-22 CN CN201320744704.0U patent/CN204329720U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091662A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Testing device and testing method for gun barrel of perforating gun |
| CN105445187B (en) * | 2015-11-11 | 2018-10-30 | 北京理工大学 | Study experimental provision and method that the jet material containing energy impacts chemical reaction characteristic |
| CN105445187A (en) * | 2015-11-11 | 2016-03-30 | 北京理工大学 | Experiment device and method for studying impact chemical reaction characteristic of energy-contained jet material |
| CN106908339B (en) * | 2017-02-14 | 2019-07-26 | 西南石油大学 | A kind of oil/gas well downhole perforation explosion perforation tubular column experiment of machanics system and method |
| WO2018148985A1 (en) * | 2017-02-14 | 2018-08-23 | 西南石油大学 | Mechanical experiment system for perforated string during down-hole perforation explosion of oil-gas well and method therefor |
| CN106908339A (en) * | 2017-02-14 | 2017-06-30 | 西南石油大学 | A kind of Oil/gas Well downhole perforation blast perforation tubular column Experiments of Machanics system and method |
| US10590708B2 (en) | 2017-02-14 | 2020-03-17 | Southwest Petroleum University | Mechanics experiment system and method for perforated string in underground perforating blasting of oil-gas well |
| CN108894758A (en) * | 2018-06-05 | 2018-11-27 | 西安物华巨能爆破器材有限责任公司 | A kind of oil/gas well multi-stage perforator initiation control method based on accelerometer |
| CN108894758B (en) * | 2018-06-05 | 2020-10-27 | 西安物华巨能爆破器材有限责任公司 | Oil-gas well multistage perforation detonation control method based on accelerometer |
| US10597979B1 (en) | 2018-09-17 | 2020-03-24 | DynaEnergetics Europe GmbH | Inspection tool for a perforating gun segment |
| US11053778B2 (en) | 2018-09-17 | 2021-07-06 | DynaEnergetics Europe GmbH | Inspection tool for a perforating gun segment |
| US11578566B2 (en) | 2018-09-17 | 2023-02-14 | DynaEnergetics Europe GmbH | Inspection tool for a perforating gun segment |
| CN111983179A (en) * | 2020-08-24 | 2020-11-24 | 大连理工大学 | Energy-gathered explosive-charging underwater explosion experimental device |
| CN114046960A (en) * | 2022-01-12 | 2022-02-15 | 中国空气动力研究与发展中心空天技术研究所 | Pneumatic probe steady flow field continuous testing method based on dynamic calibration in advance |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20211122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |