CN201507296U - External key azimuthal orientation structure of perforating gun block bunches - Google Patents
External key azimuthal orientation structure of perforating gun block bunches Download PDFInfo
- Publication number
- CN201507296U CN201507296U CN2009200348813U CN200920034881U CN201507296U CN 201507296 U CN201507296 U CN 201507296U CN 2009200348813 U CN2009200348813 U CN 2009200348813U CN 200920034881 U CN200920034881 U CN 200920034881U CN 201507296 U CN201507296 U CN 201507296U
- Authority
- CN
- China
- Prior art keywords
- perforating gun
- slot
- keyway
- key
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses an external key azimuthal orientation structure of perforating gun block bunches, which comprises an external directional key, a coupling screw, a key slot which is arranged on a connector or a perforating gun block body, and a cracked slot which is arranged on the perforating gun block body or the connector, when in use, the external directional key is embedded in a composite key slot which is formed by the butt joint of the key slot and the cracked slot, and the external directional key is fixedly connected with the key slot through the coupling screw. The external key azimuthal orientation structure is applicable to connection among all connectors of azimuthal orientation perforating gun blocks and among the connectors and the gun bodies, and can guarantee higher connection of orientation precision and small longitudinal deviation among all connectors and among the connectors and the gun bodies. The external key azimuthal orientation structure has the advantages of good interchangeability, low processing difficulty and simple on-site assembling and disassembling.
Description
Technical field
The utility model belongs to field of petroleum exploitation, relates generally to a kind of perforating gun string, relates in particular to a kind of external key orientation structure of oriented perforation rifle string.
Background technology
Oriented perforation is to make the maximum stress direction perforation of perforating bullet towards oil, gas-bearing formation, and this can improve penetration depth just as laborsaving with the vertical firewood of axe, links up the area of oil, gas-bearing formation good penetrability, thereby can improve output.Thereby oriented perforation has become the hot technology as last Xiang Xin.
The key of oriented perforation is that perforating gun string " decides " on the bearing accuracy, have only the orientation of perforating gun string fixed the accurate perforating effect that just can reach expection.Influence straight well orientation factors of accuracy except the precision of gyrostatic certainty of measurement and rotation perforation tubing string, be exactly in the perforating gun string between various terminal and joint be connected precision with orientation between the perforating gun body.Equally, influence inclined shaft orientation factors of accuracy except that partially by device with swivel joint makes the oblique consistent precision of perforation tubing string and well bore, exist in the perforating gun string between various terminal too and joint is connected precision with orientation between the perforating gun body.
At present, the domestic directed connected mode that perforating gun string adopted roughly has two kinds: the one, and joining of screw and circular hole bored directed the connection, and the 2nd, union is directed to be connected.The joining to bore to be connected of screw and circular hole do not have interchangeability and orientation accuracy not high, union connects that then difficulty of processing is big, fragile, has also strengthened the blind area of perforation simultaneously.
The utility model content
The technical problems to be solved in the utility model is, for being connected on the oriented perforation rifle string between each joint, between joint and rifle body provide a kind of orientation accuracy height, along track bias is little, interchangeability good, difficulty of processing is low, the easy external key orientation structure of on-the-spot mounting or dismounting.
For solving the problems of the technologies described above, the external key orientation structure that the utility model provides comprise on outer directional bond, attachment screw, the joint or the keyway that is provided with on the perforating gun body and perforating gun body or joint on the slot that is provided with, the key body of receiving in the bilateral symmetry that described outer directional bond is an end, the length of its small end key body is less than 1/2nd of big end key body length, holds the thickness of key body and small end key body identical and hold greatly on the key body and have connecting through hole greatly; Identical and the keyway bottom of the big end key body of the shape of described keyway and described outer directional bond has and the corresponding screw of connecting through hole quantity and position, and the shape of described slot is identical with the small end key body of described outer directional bond; Two keyways are set on the described joint or a keyway are set and a slot, two slots are set on the described perforating gun body or a slot are set and a keyway, keyway and slot all are positioned at a side of joint or perforating gun body; When forming perforating gun string, described joint links with the corresponding spiral shell of described perforating gun body and connects, and make two keyways and two slots respectively corresponding joining and form two with the identical synthetic keyway of described outer directional bond shape, two described outer directional bonds correspondence respectively place in two described synthetic keyways and are connected by described attachment screw and described joint or perforating gun body.
According to the utility model, described keyway is arranged on the bead of joint or the public spiral shell button of perforating gun string inboard, and described slot is arranged on the port of perforating gun body or the female spiral shell button of joint one side.
According to the utility model, the width of described keyway equates with the width of the big end key of described outer directional bond body and tolerance is controlled at 0.05～0.16mm, and the width of described slot equates with the width of described outer directional bond small end key body and tolerance is controlled at 0.05～0.16mm; The thickness of described outer directional bond is 5.5mm.
The beneficial effects of the utility model are embodied in the following aspects.
(1) its width of outer directional bond and the thickness in the utility model is all bigger, and is stronger than the anti-twisting property of screw, can not move back button, and therefore the perforating gun string security performance that adopts the utility model to connect is good.
(2) in the utility model, the big end key body of outer directional bond and the width of small end key body are controlled in the small range with the width fit tolerance of keyway and slot respectively, therefore, have adopted its positioning accuracy height of located perforating rifle string of the present utility model.
(3) outer directional bond, keyway and the slot in the utility model only can reach tolerance with the line cutting processing, thereby the utlity model has the low characteristics of difficulty of processing.
When (four) adopting the utility model to carry out the perforating gun string connection, particularly when well head connects, all time saving and energy saving than other orientation methods of attachment of employing, have the easy advantage of on-the-spot mounting or dismounting.
Description of drawings
Fig. 1 a, Fig. 1 b are the structural representations of the utility model China and foreign countries directional bond.
Fig. 2 is that the position that is positioned at two slots on the perforating gun body concerns schematic diagram.
Fig. 3 is that the position that is positioned at two keyways in two male joints concerns schematic diagram.
Fig. 4 is that the utility model first preferred embodiment is connected the schematic diagram on the perforating gun string.
Fig. 5 is positioned at keyway in the pin and box sub and the position of slot concerns schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment the utility model is described in further detail.
First preferred embodiment of the present utility model is at two male joints and has the external key orientation structure of two female spiral shell button perforating gun bodies that this embodiment comprises keyway 1, the slot 4 on the perforating gun body and the sunk screw 3 on outer directional bond 2, the joint.
Shown in Fig. 1 a, Fig. 1 b, the key body of receiving in the bilateral symmetry that outer directional bond 2 is an end, the length of its small end key body holds the key body identical with the thickness of small end key body greatly less than 1/2nd of big end key body length.The thickness of outer directional bond 2 is 5.5mm, holds greatly to have two countersunk head connecting through holes that center distance is 10mm on the key body, and the width of holding the key body greatly is 12mm, and length is 22mm.The width of small end key body is 8mm, and length is 9mm.
According to shown in Figure 2, on the perforating gun body that has two female spiral shell buttons, be provided with two shapes with outside identical symmetrical respectively two ends that are positioned at perforating gun body the same side of 4, two slots 4 of slot of directional bond small end key body.
According to shown in Figure 3, in two male joints, the shape that the two ends of its middle part bead one side are arranged with 1, two keyway 1 of two keyways and each keyway 1 bottom identical with the big end key body of outer directional bond 2 has two screws that center distance is 10mm.
According to shown in Figure 4, when forming perforating gun string, two public spiral shell deduction of points of two male joints Xuan Ru not go up female spiral shell button of perforating gun body end and female spiral shell of following perforating gun body front end is smashed, and make two keyways 1 corresponding respectively with the slot 4 of last perforating gun body end and down the slot 4 of perforating gun body front end connect, corresponding respectively keyway 1 and the slot 4 of placing of two outer directional bonds 2 docked in two synthetic keyways of back formation, and make two big end key bodies be arranged in two keyways 1, and two small end key bodies lay respectively in two slots 4.Then, by sunk screw 3 two outer directional bonds 2 are connected in two male joints.
In first embodiment, the tolerance fit of the width of keyway 1 and outer directional bond 2 big end key body width is controlled between 0.05～0.16mm in two male joints, and the tolerance fit of the width of slot 4 and outer directional bond 2 small end key body width also is controlled between 0.05～0.16mm.Like this, the along track bias of each outer directional bond 2 junction just can not surpass 0.3mm.The largest cumulative along track bias of four connections is 1.2mm.For 102 perforating guns,, thereby can guarantee in 1 ° usually from vertical azimuth deviation of orientation key to the first an oriented perforation rifle because its external diameter girth is 320mm.
Second preferred embodiment of the present utility model is at pin and box sub and has the external key orientation structure of male and female spiral shell button perforating gun body.Identical in the outer directional bond 2 among this embodiment and first preferred embodiment.According to shown in Figure 5, in this embodiment, the same side of pin and box sub is provided with keyway 1 and slot 4, and keyway 1 is arranged on the bead of public spiral shell button inboard, and slot 4 is arranged on the port of female spiral shell button one side.Side on the perforating gun body is provided with slot 4 and keyway 1 simultaneously, and slot 4 is arranged on the port of female spiral shell button one side, and keyway 1 is arranged on the bead of public spiral shell button inboard.The bottom of keyway 1 is provided with two screws that center distance is 10mm.When forming perforating gun string, the public spiral shell button in the pin and box sub links to each other with female spiral shell button of last perforating gun body, and female spiral shell button links to each other with the public spiral shell button of following perforating gun body; And keyway 1 in the pin and box sub dock with the slot 4 of the female spiral shell button of last perforating gun body one side and constitute first and synthesize keyway, keyway 1 on the side flanges is docked with the slot 4 of the female spiral shell button of pin and box sub one end and constitute second and synthesize keyway, two outer directional bonds 2 correspondence respectively place in first, second synthetic keyway, and make two big end key bodies be arranged in two keyways 1, and two small end key bodies lay respectively in two slots 4.Then, respectively keyway 1 place of two outer directional bonds 2 with two male joints and following perforating gun body is connected by sunk screw 3.
Claims (3)
1. the external key orientation structure of a perforating gun string, it is characterized in that: it comprises on outer directional bond [2], attachment screw [3], the joint or the slot [4] that is provided with on the keyway [1] that is provided with on the perforating gun body and perforating gun body or the joint, the key body of receiving in the bilateral symmetry that described outer directional bond is an end, the length of its small end key body is less than 1/2nd of big end key body length, holds the thickness of key body and small end key body identical and hold greatly on the key body and have connecting through hole greatly; Identical and keyway [1] bottom of the big end key body of the shape of described keyway [1] and described outer directional bond [2] has and the corresponding screw of connecting through hole quantity and position, and the shape of described slot [4] is identical with the small end key body of described outer directional bond [2]; Two keyways [1] are set on the described joint or a keyway [1] are set and a slot [4], two slots [4] are set on the described perforating gun body or a slot [4] are set and a keyway [1], keyway [1] and slot [4] all are positioned at a side of joint or perforating gun body; When forming perforating gun string, described joint links with the corresponding spiral shell of described perforating gun body and connects, and make two keyways [1] and two slots [4] respectively corresponding joining and form two with the identical synthetic keyway of described outer directional bond [2] shape, two described outer directional bonds [2] correspondence respectively place in two described synthetic keyways and are connected by described attachment screw [3] and described joint or perforating gun body.
2. the external key orientation structure of perforating gun string according to claim 1 is characterized in that: described keyway [1] is arranged on the bead of joint or the public spiral shell button of perforating gun string inboard, and described slot [4] is arranged on the port of perforating gun body or the female spiral shell button of joint one side.
3. the external key orientation structure of perforating gun string according to claim 1 and 2, it is characterized in that: the width of described keyway [1] holds the width of key body to equate greatly with described outer directional bond [2] and tolerance is controlled at 0.05～0.16mm, and the width of described slot [4] equates with the width of described outer directional bond [2] small end key body and tolerance is controlled at 0.05～0.16mm; The thickness of described outer directional bond [2] is 5.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200348813U CN201507296U (en) | 2009-10-09 | 2009-10-09 | External key azimuthal orientation structure of perforating gun block bunches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200348813U CN201507296U (en) | 2009-10-09 | 2009-10-09 | External key azimuthal orientation structure of perforating gun block bunches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507296U true CN201507296U (en) | 2010-06-16 |
Family
ID=42468424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200348813U Expired - Lifetime CN201507296U (en) | 2009-10-09 | 2009-10-09 | External key azimuthal orientation structure of perforating gun block bunches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507296U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| USD904475S1 (en) | 2020-04-29 | 2020-12-08 | DynaEnergetics Europe GmbH | Tandem sub |
| USD908754S1 (en) | 2020-04-30 | 2021-01-26 | DynaEnergetics Europe GmbH | Tandem sub |
| US10982941B2 (en) | 2015-03-18 | 2021-04-20 | DynaEnergetics Europe GmbH | Pivotable bulkhead assembly for crimp resistance |
| US11225848B2 (en) | 2020-03-20 | 2022-01-18 | DynaEnergetics Europe GmbH | Tandem seal adapter, adapter assembly with tandem seal adapter, and wellbore tool string with adapter assembly |
| US11293736B2 (en) | 2015-03-18 | 2022-04-05 | DynaEnergetics Europe GmbH | Electrical connector |
-
2009
- 2009-10-09 CN CN2009200348813U patent/CN201507296U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10982941B2 (en) | 2015-03-18 | 2021-04-20 | DynaEnergetics Europe GmbH | Pivotable bulkhead assembly for crimp resistance |
| US11293736B2 (en) | 2015-03-18 | 2022-04-05 | DynaEnergetics Europe GmbH | Electrical connector |
| US11906279B2 (en) | 2015-03-18 | 2024-02-20 | DynaEnergetics Europe GmbH | Electrical connector |
| 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 |
| US11225848B2 (en) | 2020-03-20 | 2022-01-18 | DynaEnergetics Europe GmbH | Tandem seal adapter, adapter assembly with tandem seal adapter, and wellbore tool string with adapter assembly |
| US11814915B2 (en) | 2020-03-20 | 2023-11-14 | DynaEnergetics Europe GmbH | Adapter assembly for use with a wellbore tool string |
| USD904475S1 (en) | 2020-04-29 | 2020-12-08 | DynaEnergetics Europe GmbH | Tandem sub |
| USD908754S1 (en) | 2020-04-30 | 2021-01-26 | DynaEnergetics Europe GmbH | Tandem sub |
| USD920402S1 (en) | 2020-04-30 | 2021-05-25 | DynaEnergetics Europe GmbH | Tandem sub |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201507296U (en) | External key azimuthal orientation structure of perforating gun block bunches | |
| CN205445626U (en) | Tunnel segment circumferential weld coupling assembling with tolerance ability | |
| CN201650304U (en) | Insertion type circular seam connecting component of shield pipe sheet | |
| CN117005831A (en) | Full-linkage internal directional perforator | |
| CN203285870U (en) | Coupler | |
| CN201620773U (en) | Novel welding type drill collar | |
| CN202001221U (en) | Connecting structure of main shaft and gearbox of wind generating set | |
| CN204140033U (en) | A kind of Oil/gas Well interior orientation spinning impact initiation device | |
| CN202176273U (en) | High-temperature high-pressure petroleum casing pipe thread connector | |
| CN203248096U (en) | Oil pipe and casing pipe with one thickened end and without coupling | |
| CN201031674Y (en) | Horizontal well externally oriented perforating gun orientation link | |
| CN205877014U (en) | KK module of high installation accuracy | |
| CN204024608U (en) | Firing angle perforator is determined in a kind of orientation | |
| CN201507110U (en) | Scaffold connector | |
| CN204784057U (en) | Self -threading screw | |
| CN201083085Y (en) | Drilling rod without welding down-the-hole drill | |
| CN203188925U (en) | External thickening coupling-free casing | |
| CN202000918U (en) | Coal drill pipe | |
| CN205956146U (en) | Miniature lathe built -up connection spare | |
| CN201407039Y (en) | Integral-type non-joint static penetration-testing probe rod | |
| CN201100500Y (en) | A mobile swimming pool horizontal tube connector | |
| CN208364064U (en) | One kind can extended type hand air drill drill rod connecting device | |
| CN204002757U (en) | A kind of multicore tool interface system | |
| CN220769431U (en) | Full-linkage internal directional perforator | |
| CN205677092U (en) | A kind of latch truss connector |
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: 20160901 Address after: 710061 No. 213 rosefinch Avenue, Yanta District, Shaanxi, Xi'an Patentee after: Xi'an Wuhua Energy Exploding Equipment Co.,Ltd. Address before: 710061 No. 213 rosefinch Avenue, Yanta District, Shaanxi, Xi'an Patentee before: No.213 Research Institute of China North Industries Group Corporation |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100616 |