CN201381811Y - Tube pressurizing device - Google Patents
Tube pressurizing device Download PDFInfo
- Publication number
- CN201381811Y CN201381811Y CN200920301758U CN200920301758U CN201381811Y CN 201381811 Y CN201381811 Y CN 201381811Y CN 200920301758 U CN200920301758 U CN 200920301758U CN 200920301758 U CN200920301758 U CN 200920301758U CN 201381811 Y CN201381811 Y CN 201381811Y
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- pipe
- slips
- hinged
- bracket assembly
- wire rope
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Abstract
The utility model relates to an assistant pressurizing device for loading a tube in well drilling operation, in particular to a tube pressurizing device which comprises two support assemblies, two dragging devices and a tube clamping device, wherein the two symmetrical support assemblies are fixedly arranged on a well service unit platform and a blowout preventer respectively, and the two symmetrical dragging devices work synchronously and are fixedly mounted on the corresponding support assemblies respectively. The tube pressurizing device has a reasonable and compact structure, is convenient to use, is safe, labor-saving and highly-efficient, utilizes the original well service unit platform and the original blowout preventer as the foundation and adopts the invert hydraulic slip to lift and clamp the tube and hydraulically drag and compress downward under pressure, achieves the pressurization of the commonly-used tube loaded in the oil well, achieves the retention of the tube in any position under the condition of no pressurization, and is applied to the well completion of the shallow heavy oil horizontal well, the safety control of the upper crown drill for well workover and the like, thereby greatly increasing the work efficiency of loading the tube in the shallow heavy oil short-radius horizontal well, and reducing the potential safety hazard of controlling the upper crown drill.
Description
One, technical field
The utility model relates to the wellbore construction pipe and is lowered to auxiliary water booster system, is a kind of tube fitting pressing device.
Two, background technology
In shallow layer thick oil Short Radius Horizontal Wells completion technique, successfully be lowered to the key that the technology pipe is full well success, the shallow layer thick oil Short Radius Horizontal Wells is because vertical depth is short, build angle rate is higher relatively, self does not possess the ability that is lowered to pressurization to pipe the straight well rig, and because the complexity that reality is bored, frictional resistance calculated value certainty and the certain deviation of physical presence that large scale pipe safety is lowered to smoothly, therefore pipe is difficult in the lower going-into-well, goes up the control of crown drill tool simultaneously and has potential safety hazard.
Three, summary of the invention
The utility model provides a kind of tube fitting pressing device, and it can effectively solve the problem that pipe is difficult to be lowered in the shallow layer thick oil Short Radius Horizontal Wells.
The utility model has also further solved the problem that there is potential safety hazard in last crown drill tool control.
The technical solution of the utility model realizes by following measure: a kind of tube fitting pressing device comprises bracket assembly, actuator and pipe clamping device; Two bracket assemblys of symmetry are fixedly mounted on respectively on workover rig platform and the preventer; Two actuators of symmetry and energy synchronization action are fixedly mounted on respectively on the corresponding bracket assembly, two actuators are connected with two pipe clamping devices by wire rope respectively, and the pipe clamping device is sleeved on the pipe of well head top and can drags pipe and moves down.
Be further optimization and/or improvements below to above-mentioned utility model technical scheme:
Above-mentioned each actuator can comprise telescopic hydraulic cylinder and wire rope bend wheel; The telescopic hydraulic cylinder of horizontal positioned is installed in the bracket assembly, and the pistons end of telescopic hydraulic cylinder or cylinder ends are hinged on the bracket assembly, and the cylinder ends of telescopic hydraulic cylinder or pistons end have the ear bearing pin that connects wire rope; Two guide rails are installed on the bracket assembly, and telescopic hydraulic cylinder is sitting on the guide rail and can slides on guide rail; The changed course wheel shaft is installed on the bracket assembly between telescopic hydraulic cylinder and the pipe, on the changed course wheel shaft wire rope bend wheel that can rotate is installed; One end of wire rope is fixedly mounted on the ear bearing pin, and the race that the other end of wire rope is walked around the wire rope bend wheel is connected on the pipe clamping device.
Above-mentioned pipe clamping device can comprise the anti-slips that hangs that surges; The anti-slips that hangs that surges hangs on the top of workover rig platform by bascule, and the anti-slips that hangs that surges is sleeved on pipe top and can clamps and unclamp pipe, surges instead to hang that slips is linked up with by the bottom and the upper end of wire rope links together.
Above-mentioned bascule can comprise balanced lever, balance weight, strap, fixed pulley, balancing weight and balance bracket; Balance bracket is fixedly connected on the workover rig platform, two contour fixed pulleys are installed on the balance bracket by rotating shaft, one end of strap is walked around fixed pulley and is linked together with balancing weight, and the middle part of balanced lever and the other end of strap link together; The anti-slips that hangs that surges is linked up with an end that is suspended on balanced lever by top, and the other end and the balance weight of balanced lever link together.
Can there be the hydraulic pressure pipe slips elevator the above-mentioned anti-slips below of hanging of surging, and the hydraulic pressure pipe slips elevator is sitting on the well head and is sleeved on the pipe, and the hydraulic pressure pipe slips elevator can clamp and unclamp pipe.
Between above-mentioned wire rope bend wheel and the pipe clamping device pressure adjusting roller device can be arranged, the pressure adjusting roller device comprises support, goes up lower plate, pulley and adjustment bolt; Support is fixedly mounted on the downside of workover rig platform crossbeam by bolt and last lower plate, horizontal concrete chute is arranged on the support, pulley spindle is installed in the horizontal concrete chute by slide block and can moves horizontally, and the adjustment bolt that can promote slide block is by being threaded on the support; Wire rope is pressed on the wheel trench bottom of pulley.
Above-mentioned bracket assembly can comprise two side plates of symmetry; The bottom of two side plates is connected on the preventer upper flange by bolt, and the top of two side plates links together by bolt.
Above-mentioned connecting rod can comprise front tension bar, middle pull bar, back stay, front strut and rear pole; The upper end of front tension bar is hinged on the downside of workover rig platform crossbeam, and the lower end of front tension bar is hinged on the upside of bracket assembly front portion; The upper end of middle pull bar is hinged on the downside of workover rig platform crossbeam, and the lower end of middle pull bar is hinged on the upside at bracket assembly middle part; The upper end of back stay is hinged on the downside of workover rig platform, and the lower end of back stay is hinged on the upside at bracket assembly rear portion; The upper end of front strut is hinged on the downside of bracket assembly front portion, and the lower end of front strut is hinged on the lower end of workover rig platform column; The upper end of rear pole is hinged on the downside at bracket assembly rear portion, and the lower end of rear pole is hinged on the lower end of workover rig platform column; Be connected with female bearing with two otic placodes by bolt on workover rig platform crossbeam and the workover rig platform column, there is the public bearing with an otic placode at the two ends of each connecting rod, and public bearing and female bearing are hinged.
Can there be the adjusting screw(rod) that can regulate connecting rod length at the middle part of above-mentioned each connecting rod, and the two ends of adjusting screw(rod) have left hand thread and right-handed thread respectively, and the connecting rod at adjusting screw(rod) two ends links together by respective threads and adjusting screw(rod).
The gas electromagnetic shaker of can having time is linked up with in the above-mentioned anti-bottom of hanging slips of surging.
The utility model reasonable and compact in structure, easy to use, safe, laborsaving, efficient; It utilizes former workover rig platform and preventer to do the basis, adopt the anti-hydraulic pressure pipe slips elevator that hangs to clamp pipe hydraulic pressure and drag reinforcing and press down, realization is lowered to pressurization to oil well pipe commonly used, and can realize pipe stop at an arbitrary position when not pressurizeing, can be used for operation such as crown drill tool security control in shallow layer thick oil horizontal drilling completion work progress, the well workover, therefore greatly improve the operating efficiency that the shallow layer thick oil Short Radius Horizontal Wells is lowered to pipe, also reduced the potential safety hazard of last crown drill tool control.
Four, description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of the utility model most preferred embodiment.Accompanying drawing 2 is the local structure for amplifying schematic diagram at A place in the accompanying drawing 1.
Coding in the accompanying drawing is respectively: 1 is bracket assembly, and 2 is the workover rig platform, and 3 is preventer, 4 is wire rope, and 5 is pipe, and 6 is female bearing, 7 is the wire rope bend wheel, and 8 is telescopic hydraulic cylinder, and 9 is public bearing, 10 is adjusting screw(rod), and 11 is the ear bearing pin, and 12 is guide rail, 13 are the changed course wheel shaft, and 14 for surging the anti-slips that hangs, and 15 are the bottom hook, 16 is balanced lever, and 17 is balance weight, and 18 is strap, 19 is fixed pulley, and 20 is balancing weight, and 21 is balance bracket, 22 are the top hook, and 23 is the hydraulic pressure pipe slips elevator, and 24 is support, 25 is last lower plate, and 26 is pulley, and 27 for adjusting bolt, 28 is workover rig platform crossbeam, and 29 is horizontal concrete chute, and 30 is pulley spindle, 31 is slide block, and 32 is the conical surface of derrick rotating disk, and 33 is side plate, 34 is the preventer upper flange, and 35 is front tension bar, and 36 is middle pull bar, 37 is back stay, 38 is front strut, and 39 is rear pole, and 40 is workover rig platform column.
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:
Shown in accompanying drawing 1,2, this tube fitting pressing device comprises bracket assembly 1, actuator and pipe clamping device; Two bracket assemblys 1 of symmetry are fixedly mounted on respectively on workover rig platform 2 and the preventer 3; Two actuators of symmetry and energy synchronization action are fixedly mounted on respectively on the corresponding bracket assembly 1, two actuators are connected with two pipe clamping devices by wire rope 4 respectively, and the pipe clamping device is sleeved on the pipe 5 of well head top and can drags pipe 5 and moves down.Actuator is when the wire rope 4 drag down pipe clamping devices, and the pipe clamping device is held pipe 5 tightly, and pipe 5 is applied lower pulling force and moves down together with pipe 5.
Can according to actual needs above-mentioned tube fitting pressing device be made further optimization and/or improvements:
Shown in accompanying drawing 1,2, each actuator comprises telescopic hydraulic cylinder 8 and wire rope bend wheel 7; The telescopic hydraulic cylinder 8 of horizontal positioned is installed in the bracket assembly 1, and the pistons end of telescopic hydraulic cylinder 8 or cylinder ends are hinged on the bracket assembly 1, and the cylinder ends of telescopic hydraulic cylinder 8 or pistons end have the ear bearing pin 11 that connects wire rope 4; Two guide rails 12 are installed on the bracket assembly 1, and telescopic hydraulic cylinder 8 is sitting on the guide rail 12 and can slides on guide rail 12; Changed course wheel shaft 13 is installed on the bracket assembly 1 between telescopic hydraulic cylinder 8 and the pipe 5, on the changed course wheel shaft 13 the wire rope bend wheel 7 that can rotate is installed; One end of wire rope 4 is fixedly mounted on the ear bearing pin 11, and the race that the other end of wire rope 4 is walked around wire rope bend wheel 7 is connected on the pipe clamping device.Bracket assembly 1 is the housing that bears telescopic hydraulic cylinder 8, also is the passage that telescopic hydraulic cylinder 8 stretches.Wire rope bend wheel 7 can be changed into the horizontal pull of telescopic hydraulic cylinder 8 lower pulling force to the vertical direction of pipe 5.Telescopic hydraulic cylinder 8 preferably adopts anti-slag hydraulic means, and this anti-slag hydraulic means has been applied for patent, its number of patent application: 2007202011275.
Shown in accompanying drawing 1,2, the pipe clamping device comprises the anti-slips 14 that hangs that surges; The anti-slips 14 that hangs that surges hangs on the top of workover rig platform 2 by bascule, and the anti-slips 14 that hangs that surges is sleeved on pipe 5 tops and can clamps and unclamp pipe 5, surge counter hang slips 14 by the bottom link up with 15 and the upper end of wire rope 4 link together.There is hydraulic jack anti-slips 14 inside of hanging of surging, and hydraulic jack can drive the anti-dead bolt that hangs on the slips 14, and dead bolt can clamp and unclamp and be sleeved on the anti-pipe 5 that hangs in the slips 14 that surges.This anti-slips that hangs that surges has been applied for patent, its number of patent application: 2007202005081.
Shown in accompanying drawing 1,2, bascule comprises balanced lever 16, balance weight 17, strap 18, fixed pulley 19, balancing weight 20 and balance bracket 21; Balance bracket 21 is fixedly connected on the workover rig platform 2, two contour fixed pulleys 19 are installed on the balance bracket 21 by rotating shaft, one end of strap 18 is walked around fixed pulley 19 and is linked together with balancing weight 20, and the other end of the middle part of balanced lever 16 and strap 18 links together; The anti-slips 14 that hangs that surges is suspended on an end of balanced lever 16 by top hook 22, and the other end of balanced lever 16 and balance weight 17 link together.Can finish counter the fluctuating of slips 14 of hanging of surging by means of bascule by people's strength, reaching suitable height and position, bascule can handled easily, but only uses just complete operation of a small amount of manpower.
Shown in accompanying drawing 1,2, there is hydraulic pressure pipe slips elevator 23 anti-slips 14 belows of hanging of surging, and hydraulic pressure pipe slips elevator 23 is sitting on the well head and is sleeved on the pipe 5, and hydraulic pressure pipe slips elevator 23 can clamp and unclamp pipe 5.Float in top surge counter hang hydraulic pressure pipe slips elevator 23 that slips 14 and bottom be sitting in well head can alternation, box cupling is passed through smoothly; Instead owing to surge hang slips 14 and hydraulic pressure pipe slips elevator 23 the two has a maintenance to hold the state of pipe 5 tightly all the time, can also realize when not pressurizeing that pipe 5 stops at an arbitrary position.
Shown in accompanying drawing 1,2, between wire rope bend wheel 7 and the pipe clamping device pressure adjusting roller device is arranged, the pressure adjusting roller device comprises support 24, last lower plate 25, pulley 26 and adjusts bolt 27; Support 24 is fixedly mounted on the downside of workover rig platform crossbeam 28 by bolt and last lower plate 25, horizontal concrete chute 29 is arranged on the support 24, pulley spindle 30 is installed in the horizontal concrete chute 29 by slide block 31 and can moves horizontally, and the adjustment bolt 27 that can promote slide block 31 is by being threaded on the support 24; Wire rope 4 is pressed on the wheel trench bottom of pulley 26.The pressure adjusting roller device can be adjusted the conical surface 32 of wire rope 4, derrick rotating disk, the distance between pipe 5 threes, wire rope 4 is pushed away the conical surface 32 and the pipe 5 of derrick rotating disk, avoid wire rope 4 to its wearing and tearing, can also adjust the compaction degree of 26 pairs of wire rope 4 of pulley by adjusting bolt 27.
Shown in accompanying drawing 1,2, bracket assembly 1 comprises two side plates 33 of symmetry; The bottom of two side plates 33 is connected on the preventer upper flange 34 by bolt, and the top of two side plates 33 links together by bolt.Bracket assembly 1 is connected the stability and the rigidity that can increase support with preventer upper flange 34, to overcome the reaction force that pipe presses down.
Shown in accompanying drawing 1,2, connecting rod comprises front tension bar 35, middle pull bar 36, back stay 37, front strut 38 and rear pole 39; The upper end of front tension bar 35 is hinged on the downside of workover rig platform crossbeam 28, and the lower end of front tension bar 35 is hinged on the upside of bracket assembly 1 front portion; The upper end of middle pull bar 36 is hinged on the downside of workover rig platform crossbeam 28, and the lower end of middle pull bar 36 is hinged on the upside at bracket assembly 1 middle part; The upper end of back stay 37 is hinged on the downside of workover rig platform 2, and the lower end of back stay 37 is hinged on the upside at bracket assembly 1 rear portion; The upper end of front strut 38 is hinged on the downside of bracket assembly 1 front portion, and the lower end of front strut 38 is hinged on the lower end of workover rig platform column 40; The upper end of rear pole 39 is hinged on the downside at bracket assembly 1 rear portion, and the lower end of rear pole 39 is hinged on the lower end of workover rig platform column 40; Be connected with female bearing 6 with two otic placodes by bolt on workover rig platform crossbeam 28 and the workover rig platform column 40, there is the public bearing 9 with an otic placode at the two ends of each connecting rod, and public bearing 9 and female bearing 6 are hinged.
Shown in accompanying drawing 1,2, there is the adjusting screw(rod) 10 that can regulate connecting rod length at the middle part of each connecting rod, the two ends of adjusting screw(rod) 10 have left hand thread and right-handed thread respectively, and the connecting rod at adjusting screw(rod) 10 two ends links together by respective threads and adjusting screw(rod) 10.The length of connecting rod can be adjusted by adjusting screw(rod) 10, so that satisfy the demand of adjusting the installation site.
Shown in accompanying drawing 1,2, free gas electromagnetic shaker on 15 is linked up with in the anti-bottom of hanging slips 14 of surging.The air electromagnetic shaker can shake supercharging, increases the speed and the power that press down pipe 5.
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 drive telescopic hydraulic cylinder 8 and stretch out piston or cylinder body to the place ahead extreme position, open the anti-dead bolt that hangs slips 14 that surges simultaneously; Utilize the bascule adjustment anti-slips 14 of hanging that surges to rise or drop to suitable height, pipe 5 is inserted in counter the hanging in slips 14 and the hydraulic pressure pipe slips elevator 23 of surging, tighten wire rope 4 in advance.Then drive the anti-dead bolt closure of hanging slips 14 of surging, make it hold pipe 5 tightly and keep this state, make the hydraulic pressure pipe slips elevator 23 that is sitting in well head unclamp pipe 5 simultaneously, the piston of telescopic hydraulic cylinder 8 or cylinder body begin to reclaim, ear bearing pin 11 is converted to the lower pulling force of vertical direction by wire rope 4, wire rope bend wheel 7, pulley 26 with the pulling force of horizontal direction, is passed to the anti-slips 14 that hangs that surges and drives pipes 5 and press down together; When the piston of telescopic hydraulic cylinder 8 or cylinder body were recovered to the rear extreme position, the anti-slips 14 that hangs that surges unclamped pipe 5 and rises under the effect of balancing weight 20 and resets, and hydraulic pressure pipe slips elevator 23 is held pipe 5 tightly and kept this state simultaneously; The piston or the cylinder body of telescopic hydraulic cylinder 8 stretch out once more, and hydraulic pressure pipe slips elevator 23 is kept pipe 5 states of holding tightly; Arrive the place ahead extreme position when the piston of telescopic hydraulic cylinder 8 or cylinder body stretch out once more, the anti-slips 14 that hangs that surges is held pipe 5 tightly and is kept this state, and hydraulic pressure pipe slips elevator 23 unclamps pipe 5 simultaneously; Then to reclaim once more be drop-down pipe 5 for the piston of telescopic hydraulic cylinder 8 or cylinder body.Repeat above-mentioned steps at last repeatedly, until pipe 5 G.I.Hs with Len req.On dismounting and adjunction during pipe 5, make the hydraulic pressure pipe slips elevator 23 that is sitting in well head hold pipe 5 tightly and keep this state, pipe 5 is fallen in the well.
Claims (10)
1, a kind of tube fitting pressing device is characterized in that comprising bracket assembly, actuator and pipe clamping device; Two bracket assemblys of symmetry are fixedly mounted on respectively on workover rig platform and the preventer; Two actuators of symmetry and energy synchronization action are fixedly mounted on respectively on the corresponding bracket assembly, two actuators are connected with two pipe clamping devices by wire rope respectively, and the pipe clamping device is sleeved on the pipe of well head top and can drags pipe and moves down.
2, tube fitting pressing device according to claim 1 is characterized in that each actuator comprises telescopic hydraulic cylinder and wire rope bend wheel; The telescopic hydraulic cylinder of horizontal positioned is installed in the bracket assembly, and the pistons end of telescopic hydraulic cylinder or cylinder ends are hinged on the bracket assembly, and the cylinder ends of telescopic hydraulic cylinder or pistons end have the ear bearing pin that connects wire rope; Two guide rails are installed on the bracket assembly, and telescopic hydraulic cylinder is sitting on the guide rail and can slides on guide rail; The changed course wheel shaft is installed on the bracket assembly between telescopic hydraulic cylinder and the pipe, on the changed course wheel shaft wire rope bend wheel that can rotate is installed; One end of wire rope is fixedly mounted on the ear bearing pin, and the race that the other end of wire rope is walked around the wire rope bend wheel is connected on the pipe clamping device.
3, tube fitting pressing device according to claim 1 and 2 is characterized in that the pipe clamping device comprises the anti-slips that hangs that surges; The anti-slips that hangs that surges hangs on the top of workover rig platform by bascule, and the anti-slips that hangs that surges is sleeved on pipe top and can clamps and unclamp pipe, surges instead to hang that slips is linked up with by the bottom and the upper end of wire rope links together.
4, tube fitting pressing device according to claim 3 is characterized in that bascule comprises balanced lever, balance weight, strap, fixed pulley, balancing weight and balance bracket; Balance bracket is fixedly connected on the workover rig platform, two contour fixed pulleys are installed on the balance bracket by rotating shaft, one end of strap is walked around fixed pulley and is linked together with balancing weight, and the middle part of balanced lever and the other end of strap link together; The anti-slips that hangs that surges is linked up with an end that is suspended on balanced lever by top, and the other end and the balance weight of balanced lever link together.
5, tube fitting pressing device according to claim 4, the anti-slips below of hanging that it is characterized in that surging has hydraulic pressure pipe slips elevator, hydraulic pressure pipe slips elevator to be sitting on the well head and is sleeved on the pipe, and the hydraulic pressure pipe slips elevator can clamp and unclamp pipe.
6, tube fitting pressing device according to claim 5 is characterized in that between wire rope bend wheel and the pipe clamping device pressure adjusting roller device being arranged, and the pressure adjusting roller device comprises support, goes up lower plate, pulley and adjustment bolt; Support is fixedly mounted on the downside of workover rig platform crossbeam by bolt and last lower plate, horizontal concrete chute is arranged on the support, pulley spindle is installed in the horizontal concrete chute by slide block and can moves horizontally, and the adjustment bolt that can promote slide block is by being threaded on the support; Wire rope is pressed on the wheel trench bottom of pulley.
7, tube fitting pressing device according to claim 6 is characterized in that bracket assembly comprises two side plates of symmetry; The bottom of two side plates is connected on the preventer upper flange by bolt, and the top of two side plates links together by bolt.
8, tube fitting pressing device according to claim 7 is characterized in that connecting rod comprises front tension bar, middle pull bar, back stay, front strut and rear pole; The upper end of front tension bar is hinged on the downside of workover rig platform crossbeam, and the lower end of front tension bar is hinged on the upside of bracket assembly front portion; The upper end of middle pull bar is hinged on the downside of workover rig platform crossbeam, and the lower end of middle pull bar is hinged on the upside at bracket assembly middle part; The upper end of back stay is hinged on the downside of workover rig platform, and the lower end of back stay is hinged on the upside at bracket assembly rear portion; The upper end of front strut is hinged on the downside of bracket assembly front portion, and the lower end of front strut is hinged on the lower end of workover rig platform column; The upper end of rear pole is hinged on the downside at bracket assembly rear portion, and the lower end of rear pole is hinged on the lower end of workover rig platform column; Be connected with female bearing with two otic placodes by bolt on workover rig platform crossbeam and the workover rig platform column, there is the public bearing with an otic placode at the two ends of each connecting rod, and public bearing and female bearing are hinged.
9, tube fitting pressing device according to claim 8, there is the adjusting screw(rod) that can regulate connecting rod length at the middle part that it is characterized in that each connecting rod, the two ends of adjusting screw(rod) have left hand thread and right-handed thread respectively, and the connecting rod at adjusting screw(rod) two ends links together by respective threads and adjusting screw(rod).
10, tube fitting pressing device according to claim 9, the anti-bottom hook that hangs slips that it is characterized in that surging is gone up free gas electromagnetic shaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920301758U CN201381811Y (en) | 2009-03-30 | 2009-03-30 | Tube pressurizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920301758U CN201381811Y (en) | 2009-03-30 | 2009-03-30 | Tube pressurizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201381811Y true CN201381811Y (en) | 2010-01-13 |
Family
ID=41525287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920301758U Expired - Lifetime CN201381811Y (en) | 2009-03-30 | 2009-03-30 | Tube pressurizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201381811Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509358B (en) * | 2009-03-30 | 2012-05-23 | 新疆石油管理局井下作业公司 | Tube fitting pressing device |
| CN108952603A (en) * | 2018-09-04 | 2018-12-07 | 中国地质大学（北京） | A kind of power head flotator, power head and power head drilling machine |
-
2009
- 2009-03-30 CN CN200920301758U patent/CN201381811Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509358B (en) * | 2009-03-30 | 2012-05-23 | 新疆石油管理局井下作业公司 | Tube fitting pressing device |
| CN108952603A (en) * | 2018-09-04 | 2018-12-07 | 中国地质大学（北京） | A kind of power head flotator, power head and power head drilling machine |
| CN108952603B (en) * | 2018-09-04 | 2023-08-04 | 中国地质大学（北京） | Power head floating device, power head and power head drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100113 Effective date of abandoning: 20090330 |