CN203420647U - Centralizer of loggers during drilling - Google Patents
Centralizer of loggers during drilling Download PDFInfo
- Publication number
- CN203420647U CN203420647U CN201320393432.4U CN201320393432U CN203420647U CN 203420647 U CN203420647 U CN 203420647U CN 201320393432 U CN201320393432 U CN 201320393432U CN 203420647 U CN203420647 U CN 203420647U
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- China
- Prior art keywords
- connector
- logging
- drilling
- righting
- wing
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- Expired - Fee Related
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Abstract
The utility model discloses a centralizer of loggers during drilling. The centralizer comprises a centralizing framework and a centralizing wing with four wing bodies. The centralizing framework is connected to a connecting piece in a sleeved mode, and the two ends of the connecting piece are fixedly connected with the first logger during drilling and the second logger during drilling respectively. The centralizing wing is connected to the outer surface of the centralizing framework in a sleeved mode, and the centralizing wing and the centralizing framework are fixedly and integrally connected and connected in a drill collar in a clamped mode. According to the centralizer of the loggers during drilling, the centralizing framework and the centralizing wing are connected to be of an integral structure and are not prone to disengagement under washing of mud due to the strong stability; in addition, the structure design of the four wing bodies is adopted in the centralizing wing, a mud flowing section of an installation portion of the centralizer is enlarged, under the condition that the discharge capacity of a mud pump is constant, the mud flow velocity of the surface of the centralizer is lowered, washing of the centralizer by the mud is relieved, and the service life of the centralizer is prolonged.
Description
Technical field
The utility model belongs to well logging during auxiliary equipment technical field, is specifically related to a kind of connector for logging while drilling erection device.
Background technology
Erection device plays instrument righting, the effects such as vibration damping in well logging during.Due to boring instrument in hydrophthalmia, be subject to that mud washes away, drill collar vibration etc. affects, and working environment is very severe.Once lose righting, vibration-damping function, cause losing efficacy with boring instrument communication, signal can not transmit in time.What situation was serious will cause trip-out, changes the well logging accident of instrument.And the connector for logging while drilling erection device using at present, due to reasons such as design and selections, resistance to erosion, anti-vibration and resistance to elevated temperatures are poor.Often occur washing away serious, the righting wing phenomenon such as come off, has lost righting effect.Cause the damage of connector for logging while drilling, be difficult to meet production, scientific research needs.Therefore be badly in need of a kind of novel erection device, can effectively solve resistance to erosion, anti-vibration and the problem such as high temperature resistant, improve the stability of connector for logging while drilling, and easy and simple to handle reliable, with low cost.
Utility model content
The connector for logging while drilling erection device that provides a kind of resistance to erosion, anti-vibration and resistance to elevated temperatures good is provided the purpose of this utility model, comprising: righting skeleton and be provided with the righting wing of four wings;
Described righting skeleton is socketed on a connection piece, and described connector two ends are fixedly connected with the first connector for logging while drilling and the second connector for logging while drilling respectively;
The described righting wing is socketed in described righting skeleton external surface, and be connected to one and be connected in drill collar, the stable connection in drill collar for the first connector for logging while drilling described in righting and the second connector for logging while drilling, reduce the vibration of described the first connector for logging while drilling and the second connector for logging while drilling.
Further, described righting skeleton is a cylinder-like structure.
Further, the internal diameter of described righting skeleton is identical with the external diameter of connector.
Further, described righting skeleton external surface is provided with layer of sand, for increasing the fastness between described righting skeleton and the righting wing.
Further, the material of described righting skeleton adopts titanium alloy.
Further, described righting Yi center is for being provided with cavity, and four wings are symmetrical arranged, and are provided with arc transiting surface between four wings.
Further, described cavity diameter equates with the external diameter of described righting skeleton.
Further, the material of the described righting wing adopts fluorubber.
A kind of connector for logging while drilling erection device that the utility model provides, adopt righting skeleton and the righting wing formula structure that links into an integrated entity, stability is strong, difficult drop-off under the washing away of mud, and the righting wing adopts the structure design of four wings, increased the mud overflow section of centralizer installation position, at slush pump, in the certain situation of discharge capacity, reduced the mud speed rate on erection device surface, reduce mud to the washing away of erection device, extended the application life of erection device.
Accompanying drawing explanation
The structural representation of a kind of connector for logging while drilling erection device that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the lateral view of connector for logging while drilling erection device shown in this Fig. 1;
Fig. 3 is for being the use state diagram of connector for logging while drilling erection device shown in this Fig. 1.
The specific embodiment
Referring to Fig. 1, Fig. 2, the connector for logging while drilling erection device that the utility model provides, comprising: righting skeleton 1 and be provided with the righting wing 2 of four wings; Righting skeleton 1 is socketed in a connection piece (not shown), and described connector two ends are fixedly connected with the first connector for logging while drilling and the second connector for logging while drilling respectively; The righting wing 2 is socketed in righting skeleton 1 external surface, and be connected to one and be connected in drill collar 6, be used for righting the first connector for logging while drilling 3 and the second connector for logging while drilling 4 in the interior stable connection of drill collar 6, reduce the vibration of the first connector for logging while drilling 3 and the second connector for logging while drilling 4.Righting skeleton 1 is a cylinder-like structure.The internal diameter of righting skeleton 1 is identical with the external diameter of connector.Righting skeleton 1 external surface is provided with layer of sand, for increasing the fastness being connected between righting skeleton 1 and the righting wing 2.The material of righting skeleton 1 adopts titanium alloy.The present embodiment righting skeleton 1 adopts titanium alloy T C11, has that withstand voltage, easy processing, material are light, intensity high.The center of the righting wing 2 is for being provided with cavity, and four wings are symmetrical arranged, and is provided with arc transiting surface between four wings.Cavity diameter equates with the external diameter of righting skeleton 1.The material of the righting wing 2 adopts fluorubber, high temperature resistant (reaching 275 ℃), good anti-vibration, corrosion resistant brush.
Referring to Fig. 3, while using the novel connector for logging while drilling erection device A providing of this use to carry out work, in order to make the first connector for logging while drilling 3 and the second connector for logging while drilling 4, can well in the hydrophthalmia 5 of drill collar 6, measure between two parties, prevent due in hydrophthalmia 5, the high speed of mud is washed away, and the instrument vibration causing etc., use erection device A that the first connector for logging while drilling 3 and the second connector for logging while drilling 4 are coupled together, realize the righting between the first connector for logging while drilling 3 and the second connector for logging while drilling 4, sealing, the functions such as communication of electricity, when slush pump starts, when mud is discharged in hydrophthalmia 5, mud impacts the first connector for logging while drilling 3 from top to bottom, the second connector for logging while drilling 4 and connector for logging while drilling erection device A, because connector for logging while drilling erection device A is by firm being connected in drill collar 6 of the righting wing 2, and adopt the architectural feature of four wings, in the middle of four wings, all adopt arc transiting surface, increased the mud overflow section of connector for logging while drilling erection device A installation position, in the situation that slush pump discharge capacity is certain, reduced the mud speed rate on connector for logging while drilling erection device A surface, reduced mud washing away connector for logging while drilling erection device A, thereby strengthened the first connector for logging while drilling 3, stability between the second connector for logging while drilling 4, and can reduce the first connector for logging while drilling 3 causing because of external force, the vibration of the second connector for logging while drilling 4.
In sum, a kind of connector for logging while drilling erection device that the utility model provides, specifically has following beneficial effect:
(1) adopt righting skeleton and the righting wing formula structure that links into an integrated entity, and righting skeleton is provided with layer of sand, can more strengthens the stability between righting skeleton and the righting wing, difficult drop-off under the washing away of mud.
(2) the righting wing adopts the structure design of four wings, increased the mud overflow section of centralizer installation position, at slush pump, in the certain situation of discharge capacity, reduced the mud speed rate on connector for logging while drilling erection device surface, reduce mud to the washing away of erection device, extended the application life of connector for logging while drilling erection device.
(3) righting skeleton adopts titanium alloy T C11, has that withstand voltage, easy processing, material are light, intensity high.
(4) material of the righting wing adopts fluorubber, high temperature resistant (reaching 275 ℃), good anti-vibration, corrosion resistant brush.
It should be noted last that, the above specific embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. a connector for logging while drilling erection device, is characterized in that, comprising:
Righting skeleton and be provided with the righting wing of four wings;
Described righting skeleton is socketed on a connection piece, and described connector two ends are fixedly connected with the first connector for logging while drilling and the second connector for logging while drilling respectively;
The described righting wing is socketed in described righting skeleton external surface, and be connected to one and be connected in drill collar, the stable connection in drill collar for the first connector for logging while drilling described in righting and the second connector for logging while drilling, reduce the vibration of described the first connector for logging while drilling and the second connector for logging while drilling.
2. connector for logging while drilling erection device as claimed in claim 1, is characterized in that:
Described righting skeleton is a cylinder-like structure.
3. connector for logging while drilling erection device as claimed in claim 2, is characterized in that:
The internal diameter of described righting skeleton is identical with the external diameter of connector.
4. connector for logging while drilling erection device as claimed in claim 1, is characterized in that:
Described righting skeleton external surface is provided with layer of sand, for increasing the fastness between described righting skeleton and the righting wing.
5. connector for logging while drilling erection device as claimed in claim 1, is characterized in that:
The material of described righting skeleton adopts titanium alloy.
6. connector for logging while drilling erection device as claimed in claim 1, is characterized in that:
Described righting Yi center is for being provided with cavity, and four wings are symmetrical arranged, and is provided with arc transiting surface between four wings.
7. connector for logging while drilling erection device as claimed in claim 6, is characterized in that:
Described cavity diameter equates with the external diameter of described righting skeleton.
8. connector for logging while drilling erection device as claimed in claim 1, is characterized in that:
The material of the described righting wing adopts fluorubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320393432.4U CN203420647U (en) | 2013-07-03 | 2013-07-03 | Centralizer of loggers during drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320393432.4U CN203420647U (en) | 2013-07-03 | 2013-07-03 | Centralizer of loggers during drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203420647U true CN203420647U (en) | 2014-02-05 |
Family
ID=50019746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320393432.4U Expired - Fee Related CN203420647U (en) | 2013-07-03 | 2013-07-03 | Centralizer of loggers during drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203420647U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373111A (en) * | 2014-10-24 | 2015-02-25 | 中国石油天然气集团公司 | Logging instrument centralizing plug |
| CN117027762A (en) * | 2023-07-18 | 2023-11-10 | 中国科学院声学研究所 | Centralizing shock absorber for logging |
-
2013
- 2013-07-03 CN CN201320393432.4U patent/CN203420647U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373111A (en) * | 2014-10-24 | 2015-02-25 | 中国石油天然气集团公司 | Logging instrument centralizing plug |
| CN117027762A (en) * | 2023-07-18 | 2023-11-10 | 中国科学院声学研究所 | Centralizing shock absorber for logging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20210703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |