CN203188956U - Taper-ball-shaped hole type drilling tool picking head - Google Patents
Taper-ball-shaped hole type drilling tool picking head Download PDFInfo
- Publication number
- CN203188956U CN203188956U CN 201220603483 CN201220603483U CN203188956U CN 203188956 U CN203188956 U CN 203188956U CN 201220603483 CN201220603483 CN 201220603483 CN 201220603483 U CN201220603483 U CN 201220603483U CN 203188956 U CN203188956 U CN 203188956U
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- drilling tool
- taper
- ball
- head
- cylindrical shell
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Abstract
The utility model relates to the technical field of a drilling tool picking head, and particularly to a taper-ball-shaped hole type drilling tool picking head. The taper-ball-shaped hole type drilling tool picking head comprises a body which is internally provided with a through hole. The body comprises a cylinder, an outside thread mounting cylinder and a guiding head. The cylinder, the outside thread mounting cylinder and the guiding head are integrally fixed. The external diameter of the cylinder has a shape of gradually reducing from top to bottom. The guiding head is a taper-ball-shaped member with a wide upper part and a narrow lower part. The taper-ball-shaped hole type drilling tool picking head has the following advantages: reasonable and compact structure, and high convenience in use. In the process that the taper-ball-shaped hole type drilling tool picking head is buckled with a fallen drilling tool, an upper-end female buckle of the fallen drilling tool is guided through the guiding head for being positioned at the central part in a bore hole, thereby facilitating buckling connection between the outside thread mounting cylinder and the female buckle of the fallen drilling tool; reducing buckling time, improving operation efficiency and obtaining high reliability.
Description
Technical field
The utility model relates to the fishing head technical field, is a kind of conisphere shape neck eye formula drilling tool fishing head.
Background technology
In the petroleum industry drilling engineering, often run into the drilling tool accident of down-hole of dropping of threading off; The conventional method of handling this accident is that former drilling tool is lowered to, and adopts the way of blind make-up to salvage the down-hole fish; And in the make-up process, often run into the fish box and be close to a certain side of the borehole wall, to salvage the pin thread of drilling tool and look for button make-up difficulty, whole make-up operation exists bigger contingency and uncertainty; The work progress elapsed time is longer, and success rate is on the low side.
Summary of the invention
The utility model provides an a kind of conisphere shape neck eye formula drilling tool fishing head, has overcome the deficiency of above-mentioned prior art, when its fishing head that can effectively solve existing use adopts blind make-up method, and the make-up difficulty, elapsed time is long, the problem of poor reliability.
The technical solution of the utility model realizes by following measure: a kind of conisphere shape neck eye formula drilling tool fishing head comprises body; There is through hole inside at body; Body comprises that cylindrical shell, external screw thread install tube and lead head, and cylindrical shell, external screw thread are installed tube and led first body to fix, and the external diameter of cylindrical shell is the shape that diminishes in regular turn from top to bottom, leads head to be conisphere shape wide at the top and narrow at the bottom.
Be the further optimization and/or improvements to above-mentioned utility model technical scheme below:
Boss is set upright in the outside of above-mentioned cylindrical shell.
The above-mentioned upper end of setting upright boss can be up-narrow and down-wide taper type; The lower end of setting upright boss is wide narrow taper type down down.
The inboard, upper end of above-mentioned cylindrical shell can have the internal thread of annular to connect groove.
Above-mentioned external screw thread is installed tube and is taper type wide at the top and narrow at the bottom.
The utility model reasonable and compact in structure, easy to use; In the utility model and fish make-up process, by leading head traction fish upper end box placed in the middle in well, be convenient to external screw thread installation tube and be connected with fish box make-up; Thereby reduce the make-up time, increase work efficiency the reliability height.
Description of drawings
Accompanying drawing 1 is looked the half section structural representation for the master of the utility model most preferred embodiment.
Coding in the accompanying drawing is respectively: 1 is cylindrical shell, and 2 is through hole, and 3 are external screw thread installation tube, and 4 for leading head, and 5 is that internal thread connects groove, and 6 for setting upright boss.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description 1 is described, as: the position relation of upper and lower, left and right etc. is what to determine according to the Butut direction of Figure of description 1.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, this conisphere shape neck eye formula drilling tool fishing head
Comprise body; In the inside of body through hole 2 is arranged; Body comprises that cylindrical shell 1, external screw thread install tube 3 and lead 4, and cylindrical shell 1, external screw thread are installed tube 3 and led 4 one to fix, and the external diameter of cylindrical shell 1 is the shape that diminishes in regular turn from top to bottom, leads 4 to be conisphere shape wide at the top and narrow at the bottom.Lead 4 to lead drill string to enter the box of fish by the conisphere shape, the conisphere shape lead 4 can reduce to enter fish box resistance, when leading 4 to enter fish drilling tool hydrophthalmia by the fish box fully, traction fish upper end box is placed in the middle in well, and external screw thread installation tube 3 is convenient to the box make-up with fish; Whole make-up process, convenient and reliable, reduce the make-up activity duration, improved make-up efficient.
Can according to actual needs above-mentioned conisphere shape neck eye formula drilling tool fishing head be made further optimization and/or improvements:
As shown in Figure 1, set upright boss 6 in the outside of cylindrical shell 1.When leading 4 the fish box can be entered smoothly, guarantee that the radial position of the final make-up of fish can break away from the borehole wall fully.
As shown in Figure 1, the upper end of setting upright boss 6 is up-narrow and down-wide taper type; The lower end of setting upright boss 6 is wide narrow taper type down down.The top and bottom of setting upright boss 6 are the design of taper type, can avoid the utility model and borehole wall generation bit freezing tool phenomenon; Make the utility model mobile smooth and easy in well.
As shown in Figure 1, there is the internal thread of annular to connect groove 5 in the inboard, upper end of cylindrical shell 1.Can be convenient to body by internal thread connection groove 5 is connected with the salvaging drilling tool.
As shown in Figure 1, external screw thread installation tube 3 is taper type wide at the top and narrow at the bottom.Be convenient to and fish box make-up.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
Claims (6)
1. a conisphere shape neck eye formula drilling tool fishing head is characterized in that comprising body; There is through hole inside at body; Body comprises that cylindrical shell, external screw thread install tube and lead head, and cylindrical shell, external screw thread are installed tube and led first body to fix, and the external diameter of cylindrical shell is the shape that diminishes in regular turn from top to bottom, leads head to be conisphere shape wide at the top and narrow at the bottom.
2. conisphere shape neck eye formula drilling tool fishing head according to claim 1 is characterized in that boss is set upright in the outside of cylindrical shell.
3. conisphere shape neck eye formula drilling tool fishing head according to claim 2 is characterized in that the upper end of setting upright boss is up-narrow and down-wide taper type; The lower end of setting upright boss is wide narrow taper type down down.
4. according to claim 1 or 2 or 3 described conisphere shape neck eye formula drilling tool fishing heads, it is characterized in that the inboard, upper end of cylindrical shell has the internal thread of annular to connect groove.
5. according to claim 1 or 2 or 3 described conisphere shape neck eye formula drilling tool fishing heads, it is characterized in that external screw thread installation tube is taper type wide at the top and narrow at the bottom.
6. conisphere shape neck eye formula drilling tool fishing head according to claim 4 is characterized in that external screw thread installation tube is taper type wide at the top and narrow at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220603483 CN203188956U (en) | 2012-11-15 | 2012-11-15 | Taper-ball-shaped hole type drilling tool picking head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220603483 CN203188956U (en) | 2012-11-15 | 2012-11-15 | Taper-ball-shaped hole type drilling tool picking head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203188956U true CN203188956U (en) | 2013-09-11 |
Family
ID=49105822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220603483 Expired - Fee Related CN203188956U (en) | 2012-11-15 | 2012-11-15 | Taper-ball-shaped hole type drilling tool picking head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203188956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953701A (en) * | 2012-11-15 | 2013-03-06 | 中国石油集团西部钻探工程有限公司 | Fishing head of conically spherical pilot bit type drilling tool |
-
2012
- 2012-11-15 CN CN 201220603483 patent/CN203188956U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953701A (en) * | 2012-11-15 | 2013-03-06 | 中国石油集团西部钻探工程有限公司 | Fishing head of conically spherical pilot bit type drilling tool |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20201115 |