CN201265375Y - Light drilling tool lifting nipple - Google Patents
Light drilling tool lifting nipple Download PDFInfo
- Publication number
- CN201265375Y CN201265375Y CNU2008203022515U CN200820302251U CN201265375Y CN 201265375 Y CN201265375 Y CN 201265375Y CN U2008203022515 U CNU2008203022515 U CN U2008203022515U CN 200820302251 U CN200820302251 U CN 200820302251U CN 201265375 Y CN201265375 Y CN 201265375Y
- Authority
- CN
- China
- Prior art keywords
- drilling tool
- tube connector
- tool lifting
- lifting pipe
- central tube
- 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 drilling tool lifting sub for oil drilling, in particular to a portable drilling tool lifting sub comprising a lifting ring, a connecting tube, a central tube and a rotary connector; the middle part of the connecting tube is provided with two opposite holes, two ends of the lifting ring pass through the holes and extend to the inside of the cavity of the connecting tube, the upper part of the central tube is fixed together with the lower part of the connecting tube, the lower part of the central tube and the upper part of the rotary connector are sleeved together and can rotate mutually, and the outer side of the lower part of the rotary connector is provided with an external thread matched with a drilling tool. The utility model is reasonable and compact in structure and convenient to use, reduces the weight from over one hundred originally to over ten kilograms at present, is convenient and rapid to assemble with the drilling tool, can also release torques on a rope and a hanging hook, eliminates the unsafe factors in the assembling and hanging processes and has the advantages of safety, least effort, simpleness, convenience and high efficiency.
Description
One, technical field
The utility model relates to the drilling tool lifting pipe nipple that oil drilling uses, and is a kind of lightweight drilling tool lifting pipe nipple.
Two, background technology
At present in the Process of Oil Well Drilling, need often drilling tool very heavy on the well site such as drilling rod, drill collar etc. are mentioned on the rig floor by the drilling tool lifting pipe nipple, on link and connect the back G.I.H.Existing drilling tool lifting pipe nipple is all-in-one-piece, up to a hundred jin of weights approximately, generally speaking, be to screw connection by manually the drilling tool lifting pipe nipple being taken in one's arms back aligning drilling tool box, with rope, suspension hook the drilling tool lifting pipe nipple is sling together with drilling tool then and mentioned on the rig floor.Therefore, the drilling tool lifting pipe nipple of existing oil drilling use has the following disadvantages in actual use: group is hung to waste time and energy, efficiency of construction is lower, have potential safety hazard.
Three, summary of the invention
The utility model provides a kind of lightweight drilling tool lifting pipe nipple, and its group that has solved existing drilling tool lifting pipe nipple is hung to waste time and energy, efficiency of construction is lower, have the problem of potential safety hazard.
The technical solution of the utility model realizes by following measure: a kind of lightweight drilling tool lifting pipe nipple comprises drop handle, tube connector, central tube, rotatable joint; There are two relative holes at the middle part of tube connector, two terminations of drop handle are passed the hole and are reached in the cavity of tube connector, the top of central tube and the bottom of tube connector are fixedly installed togather, the bottom of central tube is sleeved on and can rotates mutually with the top of rotatable joint, and there is the external screw thread that matches with drilling tool in the outside, bottom of rotatable joint.
Be further optimization and/or improvements below to above-mentioned utility model technical scheme:
Can there be collar flange in the outside, bottom of above-mentioned central tube, and there is cavity the inside of rotatable joint, and the upper inner of cavity has the collar flange that interlocks with the central tube lower annular flange.
The collar flange of above-mentioned rotatable joint upper inner and central tube bottom buckle mutually can have bearing.
Can there be retaining ring the upper end of above-mentioned tube connector, and retaining ring is connected with the tube connector inside thread by the screw thread in the outside, on two terminations of drop handle the crescent annular groove is arranged, and the lower surface of retaining ring is stuck in the crescent annular groove of drop handle.
The top of above-mentioned tube connector can be installed with the jackscrew of fixing and locking ring.
The lower cavity of above-mentioned tube connector can have internal thread, and the top of central tube is fixed together by external screw thread and tube connector.
The bottom of above-mentioned tube connector can be installed with the jackscrew of fixed center pipe.
Above-mentioned rotatable joint upper outside can have and is no less than one driving hole.
The utility model reasonable and compact in structure, easy to use, the weight of itself heavily reduces to more than ten jin of weight by original jin up to a hundred, easy to assembly quick with drilling tool, can also discharge the moment of torsion on rope, the suspension hook, the elimination group is hung the unsafe factor in the process, has safe, laborsaving, easy, characteristics of high efficiency.
Four, description of drawings
Accompanying drawing 1 is looked cross-sectional schematic for the master of the utility model most preferred embodiment.
Accompanying drawing 2 is that drop handle in the accompanying drawing 1 is in the cross-sectional schematic at A-A place.
Coding in the accompanying drawing is respectively: 1 is drop handle, and 2 is tube connector, and 3 is central tube, and 4 is rotatable joint, and 5 is retaining ring, and 6 is the crescent annular groove, and 7 is jackscrew, and 8 is bearing, and 9 is driving hole.
Five, 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.
Below in conjunction with most preferred embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, this lightweight drilling tool lifting pipe nipple comprises drop handle 1, tube connector 2, central tube 3, rotatable joint 4; There are two relative holes at the middle part of tube connector 2, two terminations of drop handle 1 are passed the hole and are reached in the cavity of tube connector 2, the bottom of the top of central tube 3 and tube connector 2 is fixedly installed togather, the bottom of central tube 3 is sleeved on and can rotates mutually with the top of rotatable joint 4, and there is the external screw thread that matches with drilling tool in the outside, bottom of rotatable joint 4.
Can according to actual needs above-mentioned lightweight drilling tool lifting pipe nipple be made further optimization and/or improvements:
As shown in Figure 1, there is collar flange in the outside, the bottom of central tube 3, and there is cavity the inside of rotatable joint 4, and the upper inner of cavity has the collar flange that interlocks with central tube 3 lower annular flange.
As shown in Figure 1, the collar flange of rotatable joint 4 upper inner and central tube 3 bottoms mutually buckle bearing 8 is arranged.
Shown in accompanying drawing 1,2, there is retaining ring 5 upper end of tube connector 2, and retaining ring 5 is connected with tube connector 2 inside threads by the screw thread in the outside, on two terminations of drop handle 1 crescent annular groove 6 is arranged, and the lower surface of retaining ring 5 is stuck in the crescent annular groove 6 of drop handle 1.After retaining ring 5 is blocked drop handle 1, can when drop handle 1 is stressed, prevent its termination slippage.
As shown in Figure 1, the top of tube connector 2 is installed with the jackscrew 7 of fixing and locking ring 5, prevents that retaining ring 5 from getting loose at connection of thread.
As shown in Figure 1, the lower cavity of tube connector 2 has internal thread, and the top of central tube 3 is fixed together by external screw thread and tube connector 2.
As shown in Figure 1, the bottom of tube connector 2 is installed with the jackscrew 7 of fixed center pipe 3, prevents that central tube 3 from getting loose at connection of thread.
As shown in Figure 1, rotatable joint 4 upper outside have the driving hole 9 that is no less than, are convenient to rotatable joint 4 screwed with the drilling tool box be connected.
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.
The course of work of the utility model most preferred embodiment is: at first hang up properly drop handle 1 lifting with rope, suspension hook, be adjusted to suitable position and height, with rotatable joint 4 aim at the drilling tool boxes screw connect after, the utility model can be sling together with drilling tool and be mentioned on the rig floor.So both simplified the lifting step, the potential safety hazard of having avoided a dead lift lifting sub to bring again.In addition, middle bearing 8 can also discharge the moment of torsion on rope, the suspension hook, has eliminated the unsafe factor in assembling, the handling process.
Claims (10)
- [claim 1] 1, a kind of lightweight drilling tool lifting pipe nipple is characterized in that comprising drop handle, tube connector, central tube and rotatable joint; There are two relative holes at the middle part of tube connector, two terminations of drop handle are passed the hole and are reached in the cavity of tube connector, the top of central tube and the bottom of tube connector are fixedly installed togather, the bottom of central tube is sleeved on and can rotates mutually with the top of rotatable joint, and there is the external screw thread that matches with drilling tool in the outside, bottom of rotatable joint.
- [claim 2] 2, lightweight drilling tool lifting pipe nipple according to claim 1, there is collar flange in the outside, bottom that it is characterized in that central tube, there is cavity the inside of rotatable joint, and the upper inner of cavity has the collar flange that interlocks with the central tube lower annular flange.
- [claim 3] 3, lightweight drilling tool lifting pipe nipple according to claim 2, the collar flange that it is characterized in that rotatable joint upper inner and central tube bottom buckle mutually has bearing.
- [claim 4] 4, according to claim 1 or 2 or 3 described lightweight drilling tool lifting pipe nipples, there is retaining ring the upper end that it is characterized in that tube connector, retaining ring is connected with the tube connector inside thread by the screw thread in the outside, on two terminations of drop handle the crescent annular groove is arranged, the lower surface of retaining ring is stuck in the crescent annular groove of drop handle.
- [claim 5] 5, lightweight drilling tool lifting pipe nipple according to claim 4 is characterized in that the top of tube connector is installed with the jackscrew of fixing and locking ring.
- [claim 6] 6, according to claim 1 or 2 or 3 described lightweight drilling tool lifting pipe nipples, it is characterized in that the lower cavity of tube connector has internal thread, the top of central tube is fixed together by external screw thread and tube connector.
- [claim 7] 7, lightweight drilling tool lifting pipe nipple according to claim 4 is characterized in that the lower cavity of tube connector has internal thread, and the top of central tube is fixed together by external screw thread and tube connector.
- [claim 8] 8, lightweight drilling tool lifting pipe nipple according to claim 5 is characterized in that the lower cavity of tube connector has internal thread, and the top of central tube is fixed together by external screw thread and tube connector.
- [claim 9] 9, lightweight drilling tool lifting pipe nipple according to claim 8 is characterized in that the bottom of tube connector is installed with the jackscrew of fixed center pipe.
- [claim 10] 10, lightweight drilling tool lifting pipe nipple according to claim 9 is characterized in that rotatable joint upper outside has and are no less than one driving hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203022515U CN201265375Y (en) | 2008-09-25 | 2008-09-25 | Light drilling tool lifting nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203022515U CN201265375Y (en) | 2008-09-25 | 2008-09-25 | Light drilling tool lifting nipple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201265375Y true CN201265375Y (en) | 2009-07-01 |
Family
ID=40831743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203022515U Expired - Fee Related CN201265375Y (en) | 2008-09-25 | 2008-09-25 | Light drilling tool lifting nipple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201265375Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936144A (en) * | 2010-09-13 | 2011-01-05 | 中国海洋石油总公司 | Uphole pressure-bearing protective device |
| CN104632105A (en) * | 2015-02-02 | 2015-05-20 | 中国石油天然气集团公司 | Drilling tool connecting operation technology method and tool |
-
2008
- 2008-09-25 CN CNU2008203022515U patent/CN201265375Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936144A (en) * | 2010-09-13 | 2011-01-05 | 中国海洋石油总公司 | Uphole pressure-bearing protective device |
| CN104632105A (en) * | 2015-02-02 | 2015-05-20 | 中国石油天然气集团公司 | Drilling tool connecting operation technology method and 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 |
Granted publication date: 20090701 Termination date: 20140925 |
|
| EXPY | Termination of patent right or utility model |