CN201367901Y - Fishing head of wireless MWD inclinometer - Google Patents
Fishing head of wireless MWD inclinometer Download PDFInfo
- Publication number
- CN201367901Y CN201367901Y CNU2009201052099U CN200920105209U CN201367901Y CN 201367901 Y CN201367901 Y CN 201367901Y CN U2009201052099 U CNU2009201052099 U CN U2009201052099U CN 200920105209 U CN200920105209 U CN 200920105209U CN 201367901 Y CN201367901 Y CN 201367901Y
- Authority
- CN
- China
- Prior art keywords
- fishing head
- connecting rod
- wireless drilling
- drilling inclinometers
- fishing
- 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 - Fee Related
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Abstract
The utility model relates to a fishing head of wireless MWD inclinometer, which comprises a fishing top 11, a connecting rod 12 and a connecting barrel 13 which are connected sequentially, wherein the fishing top 11 is conical. In the utility model, as the fishing head of the wireless MWD inclinometer has streamline contour, the washout of drilling fluid on fishing head is effectively reduced and the washout resistance of fishing head is improved.
Description
Technical field
The utility model relates to oil drilling tool, relates in particular to a kind of fishing head of wireless drilling inclinometers.
Background technology
Wireless drilling inclinometers is a kind of important directional drill tool, is widely used in the petroleum drilling engineering.Wherein, fishing head is a vitals on the wireless drilling inclinometers, plays fixation when transferring and salvage wireless drilling inclinometers.In the oil drilling work progress, when occurring burying, during the accident of bit freezing, can whole wireless drilling inclinometers being salvaged out by fishing head.Because fishing head will be subjected to the erosion of drilling fluid inevitably in operation process, thereby the erosive wear resistance of raising fishing head is significant for the loss that reduces fishing head.
The utility model content
Technical problem to be solved in the utility model provides a kind of fishing head of wireless drilling inclinometers, improves the erosive wear resistance of fishing head, reduces the loss in the operation process.
For solving the problems of the technologies described above, the utility model proposes a kind of fishing head of wireless drilling inclinometers, comprise in turn the salvaging top 11, connecting rod 12 and the connecting cylinder 13 that link to each other, it is 11 tapered that described salvaging is pushed up.
Further, above-mentioned fishing head also can have following characteristics, and the external surface of described fishing head is provided with convex edge 14.
Further, above-mentioned fishing head also can have following characteristics, and described connecting rod 12 is provided with lateral pin hole 121 and is inserted in lateral pin 122 in the described lateral pin hole 121, the external surface of the outstanding described connecting rod 12 in the end of described lateral pin 122.
Further, above-mentioned fishing head also can have following characteristics, and described convex edge 14 is arranged on the bottom on described salvaging top 11.
Further, above-mentioned fishing head also can have following characteristics, also be provided with a linkage section 123 between described connecting rod 12 and the connecting cylinder 13, the diameter of described linkage section 123 is greater than the diameter of described connecting rod 12 and less than the diameter of described connecting cylinder 13, link to each other by an inclined-plane between described connecting rod 12 and the described linkage section 123, also link to each other between described linkage section 123 and the described connecting cylinder 13 by an inclined-plane.
Further, above-mentioned fishing head also can have following characteristics, and the inboard of described connecting cylinder 13 is provided with annular protrusion 131.
Further, above-mentioned fishing head also can have following characteristics, and the inboard of described connecting cylinder 13 also is provided with screwed hole 132.
In the utility model, the fishing head profile of wireless drilling inclinometers is airflow design, has effectively reduced the erosion of drilling fluid, has improved the erosive wear resistance of fishing head.
Description of drawings
Fig. 1 is the structure chart of wireless drilling inclinometers fishing head among the utility model embodiment;
The schematic diagram that Fig. 2 is connected with the miscellaneous part of wireless drilling inclinometers for fishing head.
The specific embodiment
Fishing head is parts that are positioned at the wireless drilling inclinometers top, and the lower end of fishing head is a hollow, is provided with link in its inner chamber, is used for being connected with other parts of wireless drilling inclinometers.
Below by drawings and Examples the technical solution of the utility model is elaborated.
Fig. 1 is the structure chart of wireless drilling inclinometers fishing head among the utility model embodiment.As shown in Figure 1, the fishing head 1 of this wireless drilling inclinometers comprises salvaging top 11, connecting rod 12 and the connecting cylinder 13 that links to each other in turn.Wherein, salvaging top 11 is tapered.Be designed to the erosion that taper can effectively reduce drilling fluid with salvaging top 11, improve the erosive wear resistance of fishing head.Wherein, can be provided with convex edge 14 on the external surface of fishing head 1, be used for when carrying out fishing, using supporting salvaging jig to block fishing head, thereby whole wireless drilling inclinometers is salvaged out.In the present embodiment, is salvaging between top 11 and the connecting rod 12 convex edge 14.Wherein, can also be provided with lateral pin hole 121 on the connecting rod 12 and be inserted in lateral pin 122 in this lateral pin hole 121, the external surface of the outstanding connecting rod 12 in the end of this lateral pin 122.In the present embodiment, also be provided with linkage section 123 on the connecting rod 12, the diameter of linkage section 123 is greater than the diameter of connecting rod 12 and less than the diameter of connecting cylinder 13, link to each other by an inclined-plane between connecting rod 12 and the linkage section 123, also link to each other between linkage section 123 and the connecting cylinder 13 by an inclined-plane, make the profile of whole fishing head be streamlined like this, can reduce the erosion of drilling fluid to greatest extent.In the present embodiment, the inboard of connecting cylinder 13 is provided with annular protrusion 131 and screwed hole 132, and this structure is used for fishing head is connected with the miscellaneous part of wireless drilling inclinometers.
Fig. 2 has provided the schematic diagram that fishing head is connected with the miscellaneous part of wireless drilling inclinometers.As shown in Figure 2, fishing head 1,3 three component-assembled of adapter sleeve 2 and attachment plug are in the same place, wherein, the external diameter of adapter sleeve 2 upper ends is slightly less than the internal diameter of the connecting cylinder 13 of fishing head 1, the upper end of adapter sleeve 2 is provided with the annular protrusion 131 corresponding cannelures with connecting cylinder 13 inboards, adapter sleeve 2 is connected on the fishing head 1 by cannelure is docked with annular protrusion 131, and the external diameter of adapter sleeve 2 lower ends equals the external diameter of the connecting cylinder 13 of fishing head 1; Attachment plug 3 by the bolt corresponding with the screwed hole 132 of connecting cylinder 13 inboards of fishing head 1 on fishing head 1.Wherein, attachment plug 3 can be ten core plugs, and two pins of ten core plugs link to each other by wire jumper.Because attachment plug 3 is metal parts with other parts of wireless drilling inclinometers, is equivalent to conductor, therefore this structure is equivalent to the power switch of wireless drilling inclinometers when fishing head is connected on the wireless drilling inclinometers.
In other embodiment of the present utility model, the structure of convex edge can be different from present embodiment, can articulate fishing tool as long as satisfy.
In other embodiment of the present utility model, fishing head body 1 also can otherwise be fixedlyed connected with attachment plug 3 with adapter sleeve 2 and fishing head body 1.
In the present embodiment, the fishing head profile of wireless drilling inclinometers is airflow design, has effectively reduced the erosion of drilling fluid, has improved the erosive wear resistance of fishing head.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. a wireless drilling inclinometers fishing head comprises the salvaging top (11), connecting rod (12) and the connecting cylinder (13) that link to each other in turn, it is characterized in that described salvaging top (11) is tapered.
2. wireless drilling inclinometers fishing head according to claim 1 is characterized in that, the external surface of described fishing head is provided with convex edge (14).
3. wireless drilling inclinometers fishing head according to claim 1, it is characterized in that, described connecting rod (12) is provided with lateral pin hole (121) and is inserted in lateral pin (122) in the described lateral pin hole (121), the external surface of the outstanding described connecting rod (12) in the end of described lateral pin (122).
4. wireless drilling inclinometers fishing head according to claim 2 is characterized in that, described convex edge (14) are arranged on the bottom on described salvaging top (11).
5. wireless drilling inclinometers fishing head according to claim 1, it is characterized in that, also be provided with a linkage section (123) between described connecting rod (12) and the connecting cylinder (13), the diameter of described linkage section (123) is greater than the diameter of described connecting rod (12) and less than the diameter of described connecting cylinder (13), link to each other by an inclined-plane between described connecting rod (12) and the described linkage section (123), also link to each other between described linkage section (123) and the described connecting cylinder (13) by an inclined-plane.
6. wireless drilling inclinometers fishing head according to claim 1 is characterized in that, the inboard of described connecting cylinder (13) is provided with annular protrusion (131).
7. wireless drilling inclinometers fishing head according to claim 1 is characterized in that, the inboard of described connecting cylinder (13) also is provided with screwed hole (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201052099U CN201367901Y (en) | 2009-01-15 | 2009-01-15 | Fishing head of wireless MWD inclinometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201052099U CN201367901Y (en) | 2009-01-15 | 2009-01-15 | Fishing head of wireless MWD inclinometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201367901Y true CN201367901Y (en) | 2009-12-23 |
Family
ID=41486795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201052099U Expired - Fee Related CN201367901Y (en) | 2009-01-15 | 2009-01-15 | Fishing head of wireless MWD inclinometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201367901Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994496A (en) * | 2010-09-17 | 2011-03-30 | 北京奥瑞安能源技术开发有限公司 | Method for treating drilling tool jamming accident in coalbed methane multi-branch horizontal well |
-
2009
- 2009-01-15 CN CNU2009201052099U patent/CN201367901Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994496A (en) * | 2010-09-17 | 2011-03-30 | 北京奥瑞安能源技术开发有限公司 | Method for treating drilling tool jamming accident in coalbed methane multi-branch horizontal well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Hailan Science & Technology Development Co., Ltd. Assignor: Beijing Zhongshengzhengqing Technology Development Co., Ltd. Contract record no.: 2011110000098 Denomination of utility model: Fishing head of wireless MWD inclinometer Granted publication date: 20091223 License type: Exclusive License Record date: 20110713 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20140115 |