CN100560929C - The well drilling top drive sliding fastening-change head assembly - Google Patents
The well drilling top drive sliding fastening-change head assembly Download PDFInfo
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- CN100560929C CN100560929C CNB2007101110916A CN200710111091A CN100560929C CN 100560929 C CN100560929 C CN 100560929C CN B2007101110916 A CNB2007101110916 A CN B2007101110916A CN 200710111091 A CN200710111091 A CN 200710111091A CN 100560929 C CN100560929 C CN 100560929C
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- discount
- spline
- described change
- slip cap
- drilling
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Abstract
A kind of well drilling top drive sliding fastening-change head assembly.Mainly solve existing top and drive change discount and drilling rod shackle complex structure, the problem of complex operation.It is characterized in that: manually outside preventer (1) lower end ring-shaped step (2) is arranged, form a savings chamber with becoming discount (4) upper end, storing the drilling fluid of certain pressure in the savings chamber by ring-shaped step (2); Manually preventer (1) lower end is connected with slip cap (3), slip cap (3) is connected with described change discount (4) by spline in the step hole down, promptly by spline to described change discount (4) driving torque, described change discount (4) is moved up and down by spline, will alleviate and be pressed in described change discount (4) and go up weight; The annular groove on described change discount (4) spline top is built-in with sealing ring (5), and slip cap (3) the interior annular groove of stomidium down is built-in with sealing ring (5).This becomes not only mechanism and simple to operate of discount assembly, and has the effect of vibration damping.
Description
Technical field:
The present invention relates to oil drilling field top drive drilling used change discount, especially well drilling top drive sliding fastening-change head assembly.
Background technology:
Along with increasing of oil-gas exploration and development process middle-deep well, ultradeep well and complicated well, also more and more urgent in China, particularly external project for bidding for the demand of top drive drilling, being equipped with the rig that drives on the top almost is impossible middle target.Top driving device has now become the standard configuration of rig.Top driving device is power directly to be driven drilling tool be rotated and creep into from the top of derrick, and can finish circulating fluid, connects thribble, goes up the drilling rig of multiple drill-well operations such as shackle and back reaming.It can improve drilling efficiency, reduces lock of tool drilling significantly and takes place, and reduces the risk of exploration and development.Main shaft preventer bottom is driven on the top drive drilling top has a conversion to become discount, the effect that top lifting driving force output shaft is connected with drilling rod.And existing conversion becomes discount; when drilling rod is dismantled with conversion change discount,, the own wt that drive on the top becomes on the discount, in order to protect screw thread because being pressed in; need upwards pulling to be driven on the top with two hydraulic cylinders; alleviate the gravity that becomes on the discount, thereby carry out normal shackle, need increase hydraulic mechanism in order to realize This move; so just cause mechanism and complicated operation; and function singleness, the replacement cost height influences drilling efficiency.
Summary of the invention:
Drive change discount and drilling rod shackle complex structure in order to solve existing top, the problem of complex operation the invention provides a kind of well drilling top drive sliding fastening-change head assembly, and this well drilling top drive sliding fastening-change head assembly is mechanism and simple to operate not only, and has the effect of vibration damping.
Technical scheme of the present invention is: this well drilling top drive sliding fastening-change head assembly comprises manual preventer, manually outside the preventer lower end ring-shaped step is arranged, and forms a savings chamber by ring-shaped step with becoming the discount upper end, is storing the drilling fluid of certain pressure in the savings chamber; Manually the preventer lower end is connected with slip cap, is connected with described change discount by spline in the step hole under the slip cap, promptly by spline to described change discount driving torque, described change discount is moved up and down by spline, in loading and unloading during drilling rod, will alleviate and be pressed in weight on the described change discount; The annular groove on the top of the spline of described change discount is built-in with sealing ring, and the annular groove in the following stomidium of slip cap is built-in with sealing ring.
The present invention has following beneficial effect: this well drilling top drive sliding fastening-change head assembly is owing to take such scheme; at first adopt spline to be connected with slip cap because of becoming discount; like this can be by spline to becoming the discount driving torque; the change discount is moved up and down by spline; when the loading and unloading drilling rod, will alleviate the weight that is pressed on the change discount, protect screw thread effectively; make simultaneously to become the simple of discount mechanism and operation change, and reduced manufacturing cost.Secondly because of manually outside the preventer lower end ring-shaped step being arranged; this ring-shaped step forms a savings chamber with change discount upper end; storing the drilling fluid of certain pressure in the savings chamber; when drilling rod generation vibration, when drilling fluid passes in and out with the slit that becomes the discount upper surface by the ring-shaped step lower surface, produce damping phenomena like this; thereby slowed down the speed that moves up and down of drilling rod; also just play damping effect, protected drilling tool effectively, reduced drilling cost.Be connected with manual preventer by slip cap because of becoming discount at last, like this when the thread damage of change discount lower end, can be easily transformation discount more.This well drilling top drive sliding fastening-change head assembly mechanism and simple to operate not only thus, and have the effect of vibration damping.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 be among Fig. 1 A-A to sectional drawing.
The manual preventer of 1-among the figure, the 2-ring-shaped step, the 3-slip cap, 4-becomes discount, 5-sealing ring.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing:
By Fig. 1 in conjunction with shown in Figure 2, this well drilling top drive sliding fastening-change head assembly comprises manual preventer 1, manually outside preventer 1 lower end ring-shaped step 2 is arranged, and forms a savings chamber by ring-shaped step 2 and change discount 4 upper ends, store the drilling fluid of certain pressure in the savings chamber, playing damping effect; Manually preventer 1 lower end is connected with slip cap 3, be connected with change discount 4 by spline in 3 times step holes of slip cap, promptly by spline to becoming discount 4 driving torques, can make again and become discount 4 and move up and down by spline, when the loading and unloading drilling rod, will alleviate to be pressed in and become weight on the discount 4, effectively protect screw thread; Become discount 4 spline upper, annular grooves and be built-in with sealing ring 5, annular groove is built-in with sealing ring 5 in 3 times stomidiums of slip cap, and sealing ring 5 is in order to strengthen sealing effectiveness.
During actual the use; at first sealing ring 5 is placed in the annular groove that becomes in discount 4 spline tops and 2 times stomidiums of slip cap; to become discount 4 again fits inside from slip cap 3 tops; then with slip cap 3 by being threaded on the manual preventer 1; becoming discount 4 lower end screw threads at last is connected with drilling rod; when becoming discount 4 and be connected with drilling rod; at first adopt spline to be connected with slip cap 3 because of becoming discount 4; like this can be by spline to becoming discount 4 driving torques; can make again and become discount 4 and move up and down by spline; when the loading and unloading drilling rod; will alleviate to be pressed in and become weight on the discount 4; effectively the protection screw thread makes change discount 4 mechanisms and operation become simply simultaneously, and has reduced manufacturing cost.Secondly because of manually outside preventer 1 lower end ring-shaped step 2 being arranged; this ring-shaped step 2 forms a savings chamber with change discount 4 upper ends; storing the drilling fluid of certain pressure in the savings chamber; when drilling rod generation vibration, when drilling fluid passes in and out with the slit that becomes discount 4 upper surfaces by ring-shaped step 2 lower surfaces, produce damping phenomena like this; thereby slowed down the speed that moves up and down of drilling rod; also just play damping effect, effectively protected drilling tool, reduced drilling cost.Is connected with manual preventer 1 by slip cap 3 because of becoming discount 4 at last, when becoming discount 4 lower end thread damage, only needs more transformation discount 4 like this, do not need to change other parts, reduce drilling cost, and change very convenient, the simplification operating procedure of knowing clearly.This well drilling top drive sliding fastening-change head assembly mechanism and simple to operate not only thus, and have the effect of vibration damping.
Claims (1)
1, a kind of well drilling top drive sliding fastening-change head assembly, comprise manual preventer (1), it is characterized in that: manually outside preventer (1) lower end ring-shaped step (2) is arranged, form a savings chamber with becoming discount (4) upper end, storing the drilling fluid of certain pressure in the savings chamber by ring-shaped step (2); Manually preventer (1) lower end is connected with slip cap (3), slip cap (3) is connected with described change discount (4) by spline in the step hole down, promptly by spline to described change discount (4) driving torque, described change discount (4) is moved up and down by spline, in loading and unloading during drilling rod, will alleviate and be pressed in described change discount (4) and go up weight; The annular groove on the top of the spline of described change discount (4) is built-in with sealing ring (5), and the annular groove in the following stomidium of slip cap (3) is built-in with sealing ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101110916A CN100560929C (en) | 2007-06-15 | 2007-06-15 | The well drilling top drive sliding fastening-change head assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101110916A CN100560929C (en) | 2007-06-15 | 2007-06-15 | The well drilling top drive sliding fastening-change head assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101078333A CN101078333A (en) | 2007-11-28 |
| CN100560929C true CN100560929C (en) | 2009-11-18 |
Family
ID=38905966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101110916A Expired - Fee Related CN100560929C (en) | 2007-06-15 | 2007-06-15 | The well drilling top drive sliding fastening-change head assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100560929C (en) |
-
2007
- 2007-06-15 CN CNB2007101110916A patent/CN100560929C/en not_active Expired - Fee Related
Non-Patent Citations (4)
| Title |
|---|
| DQ70BS交流变频顶部驱动钻井装置. 沈泽俊，白光利，邹连阳，刘广华.石油机械，第33卷第2期. 2005 |
| DQ70BS交流变频顶部驱动钻井装置. 沈泽俊，白光利，邹连阳，刘广华.石油机械，第33卷第2期. 2005 * |
| 顶驱钻机内防喷阀存在问题及改进措施. 杨代蓉，姜春堂.河南石油，第18卷第增刊期. 2004 |
| 顶驱钻机内防喷阀存在问题及改进措施. 杨代蓉，姜春堂.河南石油，第18卷第增刊期. 2004 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101078333A (en) | 2007-11-28 |
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HEILONGJIANG JINGHONG PETROLEUM EQUIPMENT MANUFACTURING CO., LTD. Assignor: Zhang Baoyou Contract record no.: 2012230000441 Denomination of invention: Well drilling top drive sliding fastening-change head assembly Granted publication date: 20091118 License type: Exclusive License Open date: 20071128 Record date: 20120524 Assignee: HEILONGJIANG JINGHONG PETROLEUM EQUIPMENT MANUFACTURING CO., LTD. Assignor: Zhang Baoyou Contract record no.: 2012230000441 Denomination of invention: Well drilling top drive sliding fastening-change head assembly Granted publication date: 20091118 License type: Exclusive License Open date: 20071128 Record date: 20120524 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180412 Address after: 161000 No. 24 De Long Road, Nanyuan Development Zone, Qigihar, Heilongjiang Patentee after: HEILONGJIANG JINGHONG PETROLEUM EQUIPMENT MANUFACTURING CO., LTD. Address before: 163458 Heilongjiang province Daqing Lake City Commercial Pedestrian Street Ranghulu District No. 8 32 Patentee before: Zhang Baoyou Effective date of registration: 20180412 Address after: 161000 No. 24 De Long Road, Nanyuan Development Zone, Qigihar, Heilongjiang Patentee after: HEILONGJIANG JINGHONG PETROLEUM EQUIPMENT MANUFACTURING CO., LTD. Address before: 163458 Heilongjiang province Daqing Lake City Commercial Pedestrian Street Ranghulu District No. 8 32 Patentee before: Zhang Baoyou |
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| 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: 20091118 Termination date: 20190615 |