CN200961454Y - Centralizer for well port pipe string - Google Patents
Centralizer for well port pipe string Download PDFInfo
- Publication number
- CN200961454Y CN200961454Y CN 200620200843 CN200620200843U CN200961454Y CN 200961454 Y CN200961454 Y CN 200961454Y CN 200620200843 CN200620200843 CN 200620200843 CN 200620200843 U CN200620200843 U CN 200620200843U CN 200961454 Y CN200961454 Y CN 200961454Y
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- China
- Prior art keywords
- rear end
- support
- tubing string
- cylinder
- well head
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- Expired - Lifetime
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Abstract
The utility model relates to technical fields of protecting loading and unloading devices on oil pipes or drilling robs in small and big repairing work of oil wells, gas wells, and water wells, in particular to a wellhead pipe column stabilizer, which comprises a movable moon clip, a centralizing support bracket, a cylinder, and a fixed devices, wherein the front end of the centralizing support bracket is provided with the movable moon clip, the rear end of the centralizing support bracket is provided with the fixed device, the front end of the cylinder is fixedly arranged on the movable moon clip, and the rear end of the cylinder is fixedly arranged on the centralizing support bracket. The utility model has reasonable and compact structure, convenient utilization, safety, and reliability, which can effectively protect oil pipes or drilling robs in oil field well-repairing construction work, thereby can greatly reduce economic loss, and can protect pipe columns with big diameter (such as 3.5 inches oil pipes or drilling robs ) and pipe columns with small diameter (such as 1.5 inches oil pipes), thereby realizes multi-utilization of one stabilizer.
Description
One, technical field
The utility model relates to protects the technical field of unloading buckle device on oil pipe or the drilling rod in the big light maintenance operation of oil gas water well, be a kind of well head tubing string centralizer.
Two, background technology
For many years in oil field well workover construction operation, it is excessive to run into too fast travelling block and the tubing string amplitude of fluctuation of causing of blow weather and service speed when putting oil pipe or drilling rod, oil pipe or drilling rod thread gluing or screw thread is twisted tiltedly cause screw thread to damage.According to statistics, the oil pipe or the drilling rod that cause every year because of this several reason damage, thereby the economic loss that causes reaches several ten thousand to hundreds of thousands unit.
Three, summary of the invention
The utility model provides a kind of well head tubing string centralizer, has overcome the problem that above-mentioned prior art exists, and its reasonable and compact in structure can effectively be protected oil pipe or tool joint.
The technical solution of the utility model realizes by following measure: a kind of well head tubing string centralizer, it comprises movable crescent moon folder, sets upright support, cylinder and fastening devices, the front end of setting upright support is equipped with movable crescent moon folder, the rear end of setting upright support is installed on the fastening devices, the front end of cylinder is fixedly mounted on the movable crescent moon folder, and the rear end of cylinder is fixedly mounted on to be set upright on the support.
Be further optimization and/or improvements below to technique scheme:
The above-mentioned rear end of setting upright support can be hinged on the fastening devices by jointed shaft.
Above-mentioned setting upright between support and the jointed shaft can be equipped with bearing.
The air pipe of above-mentioned cylinder can lead to the outside by the centre bore of jointed shaft.
The above-mentioned support of setting upright can be hinged with the front end of hydraulic cylinder, and the rear end of hydraulic cylinder can be hinged with traversing carriage or fastening devices.
The said fixing device can comprise fixed mount, fixed bar, removable support and fixing hole, fixed bar is fixedly mounted on the fixed mount, the removable support rear end is installed on the fixed bar and can positions by fixing hole, and the rear end of setting upright support is hinged on the front end of removable support by jointed shaft.
Reasonable and compact in structure of the present utility model; easy to use; and it is safe and reliable; in oil field well workover construction operation, can effectively protect oil pipe or drilling rod; thereby significantly reduced economic loss; and both can protect large diameter tubing string (for example 3.5 inches oil pipe or drilling rod), and can protect the very little tubing string of diameter (for example 1.5 inches oil pipe) again, thereby realize multi-use.
Four, description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of the most preferred embodiment of well head tubing string centralizer in the utility model,
Accompanying drawing 2 is a user mode schematic diagram of the present utility model,
Coding in the accompanying drawing is respectively: 1 is movable crescent moon folder, and 2 for setting upright support, and 3 is cylinder, and 4 is jointed shaft, and 5 is air pipe, and 6 is hydraulic cylinder, and 7 is fixed mount, and 8 is fixed bar, and 9 is removable support, and 10 is fixing hole, and 11 is derrick, and 12 is well head tubing string centralizer.
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 embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, this well head tubing string centralizer comprises movable crescent moon folder 1, sets upright support 2, cylinder 3 and fastening devices, the front end of setting upright support 2 is equipped with movable crescent moon folder 1, the rear end of setting upright support 2 is installed on the fastening devices, the front end of cylinder 3 is fixedly mounted on the movable crescent moon folder 1, and the rear end of cylinder 3 is fixedly mounted on to be set upright on the support 2.
Can according to actual needs above-mentioned well head tubing string centralizer be made further optimization and/or improvements:
In order further to improve performance of the present utility model, as shown in Figure 1: the rear end of setting upright support 2 is hinged on the fastening devices by jointed shaft 4, sets upright between support 2 and the jointed shaft bearing is installed, and is convenient to like this adjust and sets upright support 2; The centre bore of the air pipe 5 of cylinder 3 by jointed shaft 4 leads to the outside, so not only helped protecting air pipe 5 but also reduced influence to the operation task process; It is hinged with the front end of hydraulic cylinder 6 to set upright support 2, and the rear end of hydraulic cylinder 6 and traversing carriage or fastening devices are hinged; Fastening devices comprises fixed mount 7, fixed bar 8, removable support 9 and fixing hole 10, fixed bar 8 is fixedly mounted on the fixed mount 7, removable support 9 rear ends are installed on the fixed bar 8 and can position by fixing hole 10, and the rear end of setting upright support 2 is hinged on the front end of removable support 9 by jointed shaft 4.
Needed hydraulic power source and source of the gas preferably utilize the hydraulic power source and the source of the gas of workover rig in the utility model.
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 use of the utility model most preferred embodiment is as follows: as shown in Figure 1, in the big light maintenance operation of oil gas water well, at first fastening devices of the present utility model (fixed mount 7) is fixedly mounted on needed position on the derrick 11 of workover treatment car, and adjust the utility model according to actual conditions and make it to align with well head, secondly the air pipe 5 of cylinder 3 and the hydraulic tube of hydraulic cylinder 6 and the hydraulic power source of workover treatment car self and the control system of source of the gas are connected, just can have utilized the utility model then.Sling to prepare to go up when oil pipe or drilling rod and buckle or during shackle, will set upright that support 2 lifts and make movable crescent moon press from both sides 1 with hydraulic cylinder 6 tubing string encased by cylinder 3.When last shackle work is finished, cylinder 3 venting make movable crescent moon press from both sides 1 return, control hydraulic cylinder 6 again and make and set upright support 2 also along with withdrawal is gone, and have so just finished one and have put the tubing string operation.
Claims (10)
1, a kind of well head tubing string centralizer, it is characterized in that comprising movable crescent moon folder, set upright support, cylinder and fastening devices, the front end of setting upright support is equipped with movable crescent moon folder, the rear end of setting upright support is installed on the fastening devices, the front end of cylinder is fixedly mounted on the movable crescent moon folder, and the rear end of cylinder is fixedly mounted on to be set upright on the support.
2, well head tubing string centralizer according to claim 1 is characterized in that the rear end of setting upright support is hinged on the fastening devices by jointed shaft.
3, well head tubing string centralizer according to claim 2 is characterized in that setting upright between support and the jointed shaft bearing is installed.
4, according to claim 2 or 3 described well head tubing string centralizers, the air pipe that it is characterized in that cylinder leads to the outside by the centre bore of jointed shaft.
5, according to claim 2 or 3 described well head tubing string centralizers, the front end that it is characterized in that setting upright support and hydraulic cylinder is hinged, and the rear end of hydraulic cylinder and traversing carriage or fastening devices are hinged.
6, well head tubing string centralizer according to claim 4, the front end that it is characterized in that setting upright support and hydraulic cylinder is hinged, and the rear end of hydraulic cylinder and traversing carriage or fastening devices are hinged.
7, according to claim 1 or 2 or 3 described well head tubing string centralizers, it is characterized in that fastening devices comprises fixed mount, fixed bar, removable support and fixing hole, fixed bar is fixedly mounted on the fixed mount, the removable support rear end is installed on the fixed bar and can positions by fixing hole, and the rear end of setting upright support is hinged on the front end of removable support by jointed shaft.
8, well head tubing string centralizer according to claim 4, it is characterized in that fastening devices comprises fixed mount, fixed bar, removable support and fixing hole, fixed bar is fixedly mounted on the fixed mount, the removable support rear end is installed on the fixed bar and can positions by fixing hole, and the rear end of setting upright support is hinged on the front end of removable support by jointed shaft.
9, well head tubing string centralizer according to claim 5, it is characterized in that fastening devices comprises fixed mount, fixed bar, removable support and fixing hole, fixed bar is fixedly mounted on the fixed mount, the removable support rear end is installed on the fixed bar and can positions by fixing hole, and the rear end of setting upright support is hinged on the front end of removable support by jointed shaft.
10, well head tubing string centralizer according to claim 6, it is characterized in that fastening devices comprises fixed mount, fixed bar, removable support and fixing hole, fixed bar is fixedly mounted on the fixed mount, the removable support rear end is installed on the fixed bar and can positions by fixing hole, and the rear end of setting upright support is hinged on the front end of removable support by jointed shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620200843 CN200961454Y (en) | 2006-10-17 | 2006-10-17 | Centralizer for well port pipe string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620200843 CN200961454Y (en) | 2006-10-17 | 2006-10-17 | Centralizer for well port pipe string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200961454Y true CN200961454Y (en) | 2007-10-17 |
Family
ID=38797964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620200843 Expired - Lifetime CN200961454Y (en) | 2006-10-17 | 2006-10-17 | Centralizer for well port pipe string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200961454Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074476A (en) * | 2013-03-28 | 2014-10-01 | 中国石油化工股份有限公司 | Mechanized well repair wellhead oil pipe centralizing and centering device and mechanized well repair wellhead oil pipe centralizing and centering method |
| CN104712270A (en) * | 2015-03-23 | 2015-06-17 | 马小石 | Oil field well workover operation robot |
| CN104775775B (en) * | 2014-01-13 | 2017-10-31 | 中国石油化工股份有限公司 | A kind of mechanization workover treatment tubing string auto-strengthening system and method |
| CN109989716A (en) * | 2019-05-22 | 2019-07-09 | 贾晓鹏 | A kind of geophysical logging inserting tube clamping erection device |
-
2006
- 2006-10-17 CN CN 200620200843 patent/CN200961454Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074476A (en) * | 2013-03-28 | 2014-10-01 | 中国石油化工股份有限公司 | Mechanized well repair wellhead oil pipe centralizing and centering device and mechanized well repair wellhead oil pipe centralizing and centering method |
| CN104775775B (en) * | 2014-01-13 | 2017-10-31 | 中国石油化工股份有限公司 | A kind of mechanization workover treatment tubing string auto-strengthening system and method |
| CN104712270A (en) * | 2015-03-23 | 2015-06-17 | 马小石 | Oil field well workover operation robot |
| CN104712270B (en) * | 2015-03-23 | 2017-05-03 | 马小石 | Oil field well workover operation robot |
| CN109989716A (en) * | 2019-05-22 | 2019-07-09 | 贾晓鹏 | A kind of geophysical logging inserting tube clamping erection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071017 |
|
| EXPY | Termination of patent right or utility model |