CN204140033U - A kind of Oil/gas Well interior orientation spinning impact initiation device - Google Patents
A kind of Oil/gas Well interior orientation spinning impact initiation device Download PDFInfo
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- CN204140033U CN204140033U CN201420546790.9U CN201420546790U CN204140033U CN 204140033 U CN204140033 U CN 204140033U CN 201420546790 U CN201420546790 U CN 201420546790U CN 204140033 U CN204140033 U CN 204140033U
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- tube connector
- initiation device
- directed tube
- fairlead
- impact initiation
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Abstract
The utility model relates to a kind of Oil/gas Well interior orientation spinning impact initiation device, fairlead is a upper end part for impact initiation device, key position is fixed by welding on fairlead, impact initiation device lower end and directed tube connector are threaded connection, it is inner that initiator is placed in impact initiation device lower end, directed tube connector is connected with company gun joint by connecting union again, it is inner that positioning disk is fixed on directed tube connector, same axial direction is kept by the key position in positioning key mode and directed tube connector and fairlead, above load module is placed on outer barrel, by each bearing centralizing support.This priming device achieves the measurement being carried out perforation orientation by the part upper end of detonating of perforating gun string, effectively improves the accuracy of interior orientation oriented perforation.Based on the orientation survey method of this priming device, solve the problem that interior orientation oriented perforation is measured.
Description
Technical field
The invention belongs to the exploding perforating hole device in oil gas well completion field, be specifically related to a kind ofly can realize inner orientation measurement and the impact initiation device of priming device and firing mount spinning in the following perforating gun be connected.
Background technology
Along with the exploration and development of petroleum resources, the exploitation of oil and gas reservoir need the to become more meticulous requirement of gun perforation process is more and more general, and determining oil tube conveying gun perforation technology needs constantly bring forth new ideas and develop.The development of gun perforation process, mainly based on the geologic structure of petroleum resources reservoir, the various stress that stratum itself produces due to weathering, deposition, crustal movement etc. are called reservoir stress.As stratum selfweight stress, stratum extrusion stress, fold stress, dislocation stress etc.The various stress vector sums that stratum is applied in are its maximum stress, and also claim main stress bar, stratum main stress bar has directionality.Because stress is concentrated, the rock mass statics load of stratum principal direction of stress is less than other directions on stratum, and the external force that also can be regarded as needed for the principal direction of stress fragmented rock body of stratum will much smaller than other directions.Therefore, when carrying out perforating job, wearing during perforating bullet directive stratum principal direction of stress deeply will be more much bigger than other directions.And along principal direction of stress perforation, the rock mass of the easier broken formation of jet, improves the circumocular permeability in hole, can improve perforation efficiency, obtains higher production capacity.
And the oriented perforation rifle string of prior art is divided into outer orientation, interior orientation two kinds, two kinds of rifle string structures in this connection, priming device upper end connected pipes, priming device lower end connects oriented perforation rifle, cause after oriented perforation rifle detonates thus, jet direction cannot be measured.
Summary of the invention
The technical problem solved
In order to avoid the deficiencies in the prior art part, the present invention proposes a kind of Oil/gas Well interior orientation spinning impact initiation device, for current existing interior orientation oriented perforation rifle string, before the perforation that detonates, to the perforation orientation that firing mount spinning in perforating gun is determined, namely jet direction, effectively measures.The problem that the jet orientation solving perforating bullet during interior orientation oriented perforation cannot be measured.
Technical scheme
For an interior orientation spinning impact initiation device for oil gas well completion, comprise impact initiation device 5, initiator 6, rigid bearing 9, connect gun joint 10, second spring bearing 15, lay particular stress on firing mount 13, gun breech 14 and gun barrel 17; Characterized by further comprising urceolus 1, fairlead 3, alignment bearing 4, directed tube connector 7, connect union 8, positioning disk 11 and the first spring bearing 12; Between initiator 6 and the axle center of laying particular stress on firing mount 13, directed tube connector 7 and positioning disk 11 is connected successively through connecting gun joint 10, wherein: the upper end of directed tube connector 7 realizes being threaded with impact initiation device 5 lower end, the lower end of directed tube connector 7 is socketed in the groove of even gun joint 10 upper end, the outside of directed tube connector 7 realizes being connected with company gun joint 10 by connecting union 8, on the inner groove by rigid bearing 9 company of being supported on gun joint 10 upper end, realize rotating freely; Positioning disk 11 is through connecting gun joint 10 in addition, and its upper end realizes plug-in type with directed tube connector 7 lower end and is connected, and lower end is fixed on by the first spring bearing 12 and is connected inside, gun joint 10 lower end, realizes freely rotating; Fairlead 3 is the extension of impact initiation device 5 upper end, is provided with urceolus 1 in fairlead 3 outside, and urceolus 1 upper end connects external oil pipe, and lower end connects and connects gun joint 10, is provided with alignment bearing 4 between urceolus 1 inside and fairlead 3.
Described the initial of fairlead 3 extension is set to tapered configuration, and inside, upper end has the conical curved surface for leading.
Described urceolus 1 and even gun joint 10 realize seal isolation by sealing ring, ensure that the safety of perforating gun string.
The upper end of described fairlead 3 is provided with key position 2, and the position of the urceolus 1 matched with key position 2 is provided with blind hole.
The upper end of described positioning disk 11 and the plug-in type connected mode of directed tube connector 7 lower end are: positioning disk 11 upper end is provided with positioning key structure, directed tube connector 7 lower end endoporus is provided with positioning spline, directed tube connector 7 lower end Internal hole positioning keyway is inserted in positioning disk 11 upper end, both realize being fixedly connected with of positioning disk 11 and directed tube connector 7 by positioning key, and can rotate simultaneously.
The upper end of described directed tube connector 7 and the syndeton of initiator 6 lower end are: directed tube connector 7 inserts in initiator 6, and junction is provided with hermetically-sealed construction.
Beneficial effect
A kind of Oil/gas Well interior orientation spinning impact initiation device that the present invention proposes, fairlead is a upper end part for impact initiation device, key position is fixed by welding on fairlead, impact initiation device lower end and directed tube connector are threaded connection, it is inner that initiator is placed in impact initiation device lower end, directed tube connector is connected with company gun joint by connecting union again, it is inner that positioning disk is fixed on directed tube connector, same axial direction is kept by the key position in positioning key mode and directed tube connector and fairlead, above load module is placed on outer barrel, by each bearing centralizing support.This priming device achieves the measurement being carried out perforation orientation by the part upper end of detonating of perforating gun string, effectively improves the accuracy of interior orientation oriented perforation.Based on the orientation survey method of this priming device, solve the problem that interior orientation oriented perforation is measured.
The present invention, by the method for oriented perforation, penetrates out the principal direction of stress of oil and gas reservoir, improves production capacity.How namely the research of orientation solves emphatically the orientation problem of perforating bullet directive in Oil/gas Well makes jet direction aim at principal direction of stress or by appointment orientation perforation.
Beneficial effect of the present invention is embodied in the following aspects:
One by carrying out the firing mount Hard link of orientation by priming device and spinning, ensure that the key position of priming device and the direction of laying particular stress on of firing mount remain on same axial fixed-direction, realize firing mount to rotate to an angle, drive priming device to rotate to an angle.This kind of method is measured by the mode of inner orientation, so be called interior orientation, on the other hand, because priming device and firing mount automatically carry out orientation rotation by laying particular stress on firing mount, is also called spinning priming device.
The priming device of minor diameter is passed through bearings by two utilizations, be placed in urceolus, priming device and firing mount utilize positioning key structure to realize Hard link simultaneously, ensure that entirety carries out automatic rotation at outer barrel, gravity torque provides by laying particular stress on firing mount, and the automatic rotation realizing perforation direction aligns.
Present invention achieves the seal isolation of priming device and firing mount, and under the condition of certain pressure, still can realize spinning.
Accompanying drawing explanation
Fig. 1 is Oil/gas Well interior orientation spinning impact initiation apparatus structure schematic diagram
Fig. 2 is the phantom of Fig. 1 90-degree rotation
Detailed description of the invention
Now in conjunction with the embodiments, the invention will be further described for accompanying drawing:
As shown in Fig. 1 ~ 2, the Oil/gas Well interior orientation spinning impact initiation device that the present invention proposes, by urceolus 1, key position 2, fairlead 3, alignment bearing 4, impact initiation device 5, initiator 6, directed tube connector 7, connect union 8, rigid bearing 9, connect gun joint 10, positioning disk 11, spring bearing 12, lays particular stress on firing mount 13, and gun breech 14 forms.Key position 2 is fixed by welding in fairlead 3 upper end, fairlead 3 is upper parts of impact initiation device 5, the lower end that initiator 6 is positioned over impact initiation device 5 is inner, impact initiation device 5 lower end connects directed tube connector 7 simultaneously, fairlead 3 outer upper ends is positioned over urceolus 1 by alignment bearing 4, directed tube connector 7 is connected with company gun joint 10 by connecting union 8 again, lay particular stress on firing mount 13 to rotate freely under the support connecting gun joint 10 and gun breech 14 inner support bearing 12, it is inner that positioning disk 11 is fixed on directed tube connector 7, same axial direction is kept by the key position 2 in positioning key mode and directed tube connector 7 and fairlead 3, it is inner that above load module is placed on urceolus 1, by each bearing centralizing support.
Described the initial of fairlead 3 extension is set to tapered configuration, and inside, upper end has the conical curved surface for leading.
Described urceolus 1 realizes upper end connected pipes, and lower end connects gun joint 10, realizes the connection of oriented perforation rifle string, and urceolus 1 inside realizes supporting priming device simultaneously.
It is inner that described key position 2 is placed on fairlead 3 upper end, carries out azimuthal measurement by gyroscope.
Inside, described fairlead 3 upper end has conical curved surface for guiding, fairlead 3 is upper parts of impact initiation device 5, the lower end that initiator 6 is positioned over impact initiation device 5 is inner, impact initiation device 5 lower end connects directed tube connector 7 simultaneously, and fairlead 3 outer upper ends is positioned over urceolus 1 by alignment bearing 4.
Outside, directed tube connector 7 lower end by connecting union 8 and connecting gun joint 10 and realizes being connected, while directed tube connector 7 supported by rigid bearing 9 even gun joint 10 upper end is inner, realize rotating freely.
Described positioning disk 11 upper end has positioning key structure, directed tube connector 7 lower end Internal hole positioning keyway is inserted in positioning disk 11 upper end, both realize positioning disk 11 by positioning key and rotate with directed tube connector 7 simultaneously, ensure that the key position 2 of positioning key and inside, fairlead 3 upper end is in same axis, realize location consistent, positioning disk 11 lower end is fixed on by spring bearing 12 and is connected inside, gun joint 10 lower end, also realizes freely rotating.
Described firing mount 13 upper end of laying particular stress on is fixedly connected with positioning disk 11, lays particular stress on firing mount 13 lower end and is fixed on gun breech 14 by spring bearing 12, ensures freely to rotate, and provides the moment of impact initiation device 5 along with laying particular stress on firing mount 13 rotation simultaneously.
Described urceolus 1 internal mechanism can realize free rotation, ensures that the key position 2 of inside, fairlead 3 upper end connects in the perforating gun string that is connected of gun joint less than 10 the same direction of laying particular stress on firing mount 13 and keeping fixing with whole simultaneously.
Described urceolus 1 internal mechanism and even gun joint 12 realize seal isolation with lower part by sealing ring, ensure that the safety of perforating gun string.
During use, the oil pipe that connection oil field, urceolus 1 upper end uses, in use, to desired depth under oriented perforation rifle string, impact initiation device 5 in perforating gun string is owing to laying particular stress on the Action of Gravity Field of firing mount 13, automatic rotation ensures that perforating bullet perforation direction is consistent with stratum principal direction of stress, after perforation orientation is determined, because the positioning disk 11 of interior orientation spinning priming device is fixedly connected with the firing mount 13 of laying particular stress in perforating gun string, be along with firing mount rotates together simultaneously, ensure that the angle that firing mount deflects is exactly the angle that positioning disk deflects.Positioning disk 11 links together with the interior orientation spinning priming device that even gun joint 12 upper end is connected, and along with freely rotating together, can achieve firing mount deflection and driving priming device deflection, remaining that direction is consistent.
In order to determine whether the jet direction of oriented perforation carries out perforation according to predetermined orientation, gyroscope is entered under in oil pipe, gyroscope is lowered into urceolus position, its positioning spline automatically matches with the key position (2) of fairlead 3 and is connected, thus the measurement of firing mount deflection angle is realized on ground, determine that perforating bullet jet direction is predetermined orientation perforation.
Claims (6)
1. an Oil/gas Well interior orientation spinning impact initiation device, comprise impact initiation device (5), initiator (6), rigid bearing (9), connect gun joint (10), the second spring bearing (15), lay particular stress on firing mount (13), gun breech (14) and gun barrel (17), characterized by further comprising urceolus (1), fairlead (3), alignment bearing (4), directed tube connector (7), connect union (8), positioning disk (11) and the first spring bearing (12), between initiator (6) and the axle center of laying particular stress on firing mount (13), directed tube connector (7) and positioning disk (11) is connected successively through connecting gun joint (10), wherein: the upper end of directed tube connector (7) realizes being threaded with impact initiation device (5) lower end, the lower end of directed tube connector (7) is socketed in the groove of even gun joint (10) upper end, the outside of directed tube connector (7) realizes being connected with company's gun joint (10) by connecting union (8), inner by the groove of rigid bearing (9) company of being supported on gun joint (10) upper end, realization rotates freely, positioning disk (11) is through connecting gun joint (10) in addition, its upper end realizes plug-in type with directed tube connector (7) lower end and is connected, lower end is fixed on by the first spring bearing (12) and is connected inside, gun joint (10) lower end, realizes freely rotating, fairlead (3) is the extension of impact initiation device (5) upper end, urceolus (1) is provided with in fairlead (3) outside, urceolus (1) upper end connects external oil pipe, lower end connects gun joint (10), is provided with alignment bearing (4) between urceolus (1) inside and fairlead (3).
2. Oil/gas Well interior orientation spinning impact initiation device according to claim 1, is characterized in that: the initial of described fairlead (3) extension is set to tapered configuration, and inside, upper end has the conical curved surface for leading.
3. Oil/gas Well interior orientation spinning impact initiation device according to claim 1, is characterized in that: described urceolus (1) with connect gun joint (10) and realize seal isolation by sealing ring, ensure that the safety of perforating gun string.
4. Oil/gas Well interior orientation spinning impact initiation device according to claim 1, it is characterized in that: the upper end of described fairlead (3) is provided with key position (2), the position of the urceolus (1) matched with key position (2) is provided with blind hole.
5. Oil/gas Well interior orientation spinning impact initiation device according to claim 1, it is characterized in that: the upper end of described positioning disk (11) and the plug-in type connected mode of directed tube connector (7) lower end are: positioning disk (11) upper end is provided with positioning key structure, directed tube connector (7) lower end endoporus is provided with positioning spline, directed tube connector (7) lower end Internal hole positioning keyway is inserted in positioning disk (11) upper end, both realize being fixedly connected with of positioning disk (11) and directed tube connector (7) by positioning key, and can rotate simultaneously.
6. Oil/gas Well interior orientation spinning impact initiation device according to claim 1, it is characterized in that: the upper end of described directed tube connector (7) and the syndeton of initiator (6) lower end are: directed tube connector (7) inserts in initiator (6), and junction is provided with hermetically-sealed construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420546790.9U CN204140033U (en) | 2014-09-22 | 2014-09-22 | A kind of Oil/gas Well interior orientation spinning impact initiation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420546790.9U CN204140033U (en) | 2014-09-22 | 2014-09-22 | A kind of Oil/gas Well interior orientation spinning impact initiation device |
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| CN204140033U true CN204140033U (en) | 2015-02-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314529A (en) * | 2014-09-22 | 2015-01-28 | 西安物华巨能爆破器材有限责任公司 | Interior orientation autorotation impact initiating device for oil gas well completion |
| CN104989335A (en) * | 2015-06-23 | 2015-10-21 | 西安物华巨能爆破器材有限责任公司 | Orientation-measurable inner fixed-direction fixed-orientation fixed-perforating-angle perforating device |
| CN106382105A (en) * | 2016-11-03 | 2017-02-08 | 西安物华巨能爆破器材有限责任公司 | High temperature pressurization device used for propagation of explosion of oil and gas well interlayer |
-
2014
- 2014-09-22 CN CN201420546790.9U patent/CN204140033U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314529A (en) * | 2014-09-22 | 2015-01-28 | 西安物华巨能爆破器材有限责任公司 | Interior orientation autorotation impact initiating device for oil gas well completion |
| CN104989335A (en) * | 2015-06-23 | 2015-10-21 | 西安物华巨能爆破器材有限责任公司 | Orientation-measurable inner fixed-direction fixed-orientation fixed-perforating-angle perforating device |
| CN104989335B (en) * | 2015-06-23 | 2018-03-23 | 西安物华巨能爆破器材有限责任公司 | Firing angle perforating system is determined in a kind of measurable interior orientation orientation in orientation |
| CN106382105A (en) * | 2016-11-03 | 2017-02-08 | 西安物华巨能爆破器材有限责任公司 | High temperature pressurization device used for propagation of explosion of oil and gas well interlayer |
| CN106382105B (en) * | 2016-11-03 | 2018-11-02 | 西安物华巨能爆破器材有限责任公司 | A kind of oil/gas well interlayer propagation of explosion high temperature pressurised device |
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