CN203783495U - Wheel type coiled tubing injection device - Google Patents
Wheel type coiled tubing injection device Download PDFInfo
- Publication number
- CN203783495U CN203783495U CN201420095605.9U CN201420095605U CN203783495U CN 203783495 U CN203783495 U CN 203783495U CN 201420095605 U CN201420095605 U CN 201420095605U CN 203783495 U CN203783495 U CN 203783495U
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- wheel
- injection
- coiled tubing
- clamping
- injection device
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Abstract
The utility model provides a wheel type coiled tubing injection device. The device comprises an injection wheel, wherein a rotating shaft of the injection wheel is horizontally arranged, and the injection wheel is rotationally arranged on an injection wheel support frame and driven by a transmission mechanism; a plurality of fixed supports are arranged at intervals and surround the upper circumference surface of the injection wheel, each fixed support is fixed on the injection wheel support frame, and an interval is reserved between the bottom of each fixed support and the circumference surface of the injection wheel; the bottom of each fixed support is connected with a clamping wheel bracket through a clamping hydraulic cylinder, a clamping wheel is pivoted onto the clamping wheel bracket, and a rotating shaft of each clamping wheel is parallel to the rotating shaft of the injection wheel; and a coiled tubing coiled on a roller is arranged to the injection wheel in a coiling manner and pressed on the injection wheel face by a plurality of clamping wheels. The injection wheel is simple in structure, the integral structure of the injection device is simplified, and the manufacturing cost of the injection device is reduced; and the injection wheel has a guiding function and combines guiding and injecting functions, so that field installation of an injection mechanism and a guide mechanism is not required, and the construction efficiency is increased.
Description
Technical field
The utility model is about a kind of coiled tubing injection device for operations such as drilling well, well workover, formation testing, oil recovery gas production, relates in particular to a kind of wheeled coiled tubing injection device.
Background technology
Coiled tubing equipment is widely used in the fields such as drilling well, well workover, formation testing, oil recovery gas production, volume increase and completion.As shown in Figure 3, at present conventional coiled tubing injects equipment 9 mainly by cylinder 91, coiled tubing injecting mechanism 92, guiding mechanism 93, dynamical system and the control systems 95 of storage coiled tubing 94 and form for the equipment such as crane on vehicle (not shown) of injecting mechanism, guiding mechanism are installed, and above-mentioned special equipment is arranged on and on vehicle with chassis special 96 or towed vehicle, forms the coiled tubing a complete set of equipment that can facilitate movement.The major function of equipment is that coiled tubing 94 is injected in well, and after fulfiling assignment, coiled tubing 94 is tripped out in well; Wherein coiled tubing injecting mechanism 92 is cores that a whole set of coiled tubing injects equipment; Existing coiled tubing injecting mechanism 92 is to utilize motor 921 to drive 923 motions of two ring chains by sprocket wheel 922, the adjacent side of two ring chains 923 is made rectilinear motion in the same way, on two ring chains 923 with the brake pad being fixed on chain, coiled tubing 94 passes between two ring chains 923, by brake pad, mutually compressed coiled tubing 94 is implemented to clamp, clamping force puts on nearly chain one side by coiled tubing by clamp mechanism (hydraulic cylinder) 924; Utilize the motion of motor chain drive-belt to drive coiled tubing 94 inject and trip out.When actual job, at well head 97, preventer 98 is set, utilize crane on vehicle that coiled tubing injecting mechanism 92, guiding mechanism 93 are arranged on to well head and preventer top, utilize coiled tubing injecting mechanism 92 that coiled tubing 94 times is carried out to operation to precalculated position in well, coiled tubing injecting mechanism 92 can apply respectively power downward or upward to coiled tubing, after fulfiling assignment, can utilize this mechanism that coiled tubing is tripped out in well.
But, above-mentioned existing coiled tubing injects equipment and has following defect: (1) its guiding mechanism is separated setting with injecting mechanism, in operation process, need, with professional hanging device, coiled tubing injecting mechanism, guiding mechanism are carried out to scene and install, affected operation timeliness; (2) existing coiled tubing injecting mechanism is to utilize motor to drive two ring chains to move by sprocket wheel, its complex structure, manufacture difficulty is large, manufacturing cost high (often reaching ten million yuan), thus, also increase operating cost, affected indirectly promoting the use of of coiled tubing technology.
Utilize above-mentioned coiled tubing to inject equipment and also can carry out coiled tubing water pumping gas production operation, object is to improve exhaust velocity, reduces well interior moisture, also can using minor diameter coiled tubing as additive, use by (as blowing agent) ascending pipe.Its way is that coiled tubing sealing, hitch are installed in advance on gas production wellhead, so that the later stage is to coiled tubing implementing suspending and to its pipe external seal, again existing coiled tubing is injected to the injecting mechanism of equipment, the hitch top that guiding mechanism is arranged on well head, utilize coiled tubing injecting mechanism that coiled tubing is lowered into precalculated position in well.
But, due to existing coiled tubing, to inject equipment price higher, and gas production operation is a long process, and coiled tubing is lowered in well behind precalculated position, in order to improve the utilization rate of complete continuous oil pipe device, coiled tubing need to be injected to equipment and remove the operation of being engaged in other well.Because coiled tubing needs through injecting mechanism in being lowered to process, in order to shift out injecting mechanism, remaining coiled tubing can only be cut out, objectively cause the destruction to whole dish coiled tubing, it is continued to functional performance and cause negative effect, can not utilize former coiled tubing to deepen to adjust according to the condition of production for gas production system; In addition, the coiled tubing after blocking need to be suspended on preassembled hitch.
Thus, the inventor, by means of being engaged in experience and the practice of relevant industries for many years, proposes a kind of wheeled coiled tubing injection device, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of wheeled coiled tubing injection device, to simplify the structure of coiled tubing injection device, reduces the manufacturing cost of injection device; Utilize and inject the guide function that wheel has, to solve because the guiding mechanism of existing coiled tubing injection equipment is separated with injecting mechanism, thereby in operation process, need injecting mechanism and guiding mechanism to carry out the on-the-spot problem that affects operation timeliness of installing.
Another object of the present utility model is to provide a kind of wheeled coiled tubing injection device, and it is simple in structure, low cost of manufacture, easy for installation; When the coiled tubing injecting is used as production function passage, this wheeled coiled tubing injection device can be retained in well head, can the coiled tubing beyond well head not cut out, and then improves the use effectiveness of coiled tubing; Meanwhile, can utilize former coiled tubing to deepen to adjust according to the condition of production for gas production system.
The purpose of this utility model is to realize like this, a kind of wheeled coiled tubing injection device, described injection device includes rotating shaft and is horizontally disposed injection wheel, described injection wheel is arranged on rotationally on an injection wheeling supporting frame and by a transmission mechanism and drives, described injection wheeling supporting frame is fixedly installed in a frame, and the outer rim of described injection wheeling supporting frame is greater than the diameter that injects wheel; Around described injection wheel top periphery, be provided with a plurality of fixed bearings that are set in distance, described each fixed bearing is fixed on and injects on wheeling supporting frame, and the bottom of each fixed bearing keeps a determining deviation with injection wheel periphery; The bottom of each fixed bearing is connected with a clamping wheel support by clamping fluid cylinder, on described clamping wheel support, is articulated with a clamping wheel, the rotating shaft of described each clamping wheel and the shaft parallel setting of injecting wheel; The coiled tubing being coiled on cylinder is set around injection wheel and is pressed on and is injected on wheel wheel face by described a plurality of clamping wheels.
In a better embodiment of the present utility model, the wheel face of described clamping wheel is provided with the deep-slotted chip breaker with coiled tubing form fit.
In a better embodiment of the present utility model, the periphery of described injection wheel is provided with brake pad, and brake pad is provided with the deep-slotted chip breaker with coiled tubing form fit.
In a better embodiment of the present utility model, the wheel rim of described injection wheel is provided with sprocket, forms a sprocket wheel, by the rotation of chain-drive mechanism Driver injection wheel.
In a better embodiment of the present utility model, described injection wheel is provided with belt pulley, by the rotation of tape handler Driver injection wheel.
In a better embodiment of the present utility model, described injection wheel is provided with gear, by the rotation of gear drive Driver injection wheel.
In a better embodiment of the present utility model, described injection wheel is provided with brake disc.
In a better embodiment of the present utility model, described cylinder and frame are arranged on a mobile device; Described frame bottom is hinged with mobile device; Frame is provided with lift oil tank.
From the above mentioned, the wheeled coiled tubing injection device of the utility model is simple in structure, injecting wheel is incorporated into guide function and function of injecting all over the body, facility integrality is good, solved because the guiding mechanism of existing coiled tubing injection equipment is separated with injecting mechanism, thereby in operation process, needed injecting mechanism and guiding mechanism to carry out the on-the-spot problem that affects operation timeliness of installing; Owing to no longer needing coiled tubing guiding mechanism, also reduced the manufacturing cost of integral device.The utility model itself just can complete on-the-spot installation by installing, and can save in prior art on coiled tubing injection device generally supporting random loop wheel machine.When the coiled tubing of injection oil well is used as operation function passage, can the coiled tubing beyond well head not cut out, and then improve the use effectiveness of coiled tubing; Also can utilize former coiled tubing to deepen to adjust according to the condition of production for gas production system.
Accompanying drawing explanation
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: be the overall structure schematic diagram of the wheeled coiled tubing injection device of the utility model.
Fig. 2: for injecting the structural representation of the member annexations such as wheel, injection wheeling supporting frame and clamping wheel in the utility model.
Fig. 3: for existing coiled tubing injects the structural representation of equipping.
The specific embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing the specific embodiment of the present utility model is described.
As shown in Figure 1 and Figure 2, the utility model proposes a kind of wheeled coiled tubing injection device 100, described injection device 100 includes rotating shaft and is horizontally disposed injection wheel 1, described injection wheel 1 is arranged on rotationally on an injection wheeling supporting frame 81 and by a transmission mechanism and drives, described injection wheeling supporting frame 81 is fixedly installed in a frame 82, and the outer rim of described injection wheeling supporting frame 81 is greater than the diameter that injects wheel 1; Around described injection, take turns 1 top periphery (being about 1/3rd the periphery that injects wheel) and be provided with a plurality of fixed bearings that are set in distance 21, described each fixed bearing 21 is fixed on and injects on wheeling supporting frame 81, and the bottom of each fixed bearing 21 keeps a determining deviation with the periphery that injects wheel 1; The bottom of each fixed bearing 21 is connected with a clamping wheel support 23 by clamping fluid cylinder 22, is articulated with a clamping wheel 24 on described clamping wheel support 23, the rotating shaft of described each clamping wheel 24 and the shaft parallel setting of injecting wheel 1; The coiled tubing 84 being coiled on cylinder 83 is set around injection wheel 1 and is pressed on the wheel face that injects wheel 1 by described a plurality of clamping wheels 24.
Wheeled coiled tubing injection device of the present utility model in use, as shown in Figure 1, frame 82 is fixed on by the well head of the oil well 7 that need to inject coiled tubing, make to inject injection side and the well head centering of wheel 1, by transmission mechanism Driver injection wheel 1, turn clockwise, coiled tubing is injected in oil well 7 thus; When injecting wheel 1 reverse rotation, can from oil well 7, coiled tubing be proposed.In the present embodiment, due to the clamping action of clamping wheel 1, can make coiled tubing 84 keep relative static with injection wheel 1, and rotate and implement to inject or proposition with injection wheel 1; In the present embodiment, described injection wheel 1 has substituted two ring chains of guiding mechanism of the prior art and injecting mechanism, described injection wheel 1 is incorporated into guide function and function of injecting all over the body, solved because the guiding mechanism of existing coiled tubing injection equipment is separated with injecting mechanism, thereby in operation process, needed injecting mechanism and guiding mechanism to carry out the on-the-spot problem that affects operation timeliness of installing.Wheeled coiled tubing injection device in present embodiment is simple in structure, low cost of manufacture, easy for installation.
In the present embodiment, described cylinder 83 and frame 82 (for example: dedicated bearer sled) can be arranged on a mobile device; Described frame 82 bottoms and mobile device are hinged; Frame 82 is provided with lift oil tank 85.In transportation, frame 82 can be kept flat, arrive after operation field, utilize lift oil tank 85 frame 82 to be erected to the installation that just can complete whole device, by installing, itself just can complete on-the-spot installation, can save in prior art general supporting random loop wheel machine on coiled tubing injection device, to reduce the cost of complete equipment.
In the present embodiment, described clamping wheel 24 is articulated on clamping wheel support 23, each clamping wheel support 23 is connected on corresponding fixed bearing 21 by clamping fluid cylinder 22, the pressure that can clamp fluid cylinder 22 by control is controlled the chucking power of clamping wheel 24, thereby realize, the clamping of coiled tubing 84 is controlled.
The axis of rotation of described clamping wheel 24 and back shaft 10 be arranged in parallel, and clamping wheel 24 is the rotary body that can rotate along the axis of rotation of itself, and the gabarit of clamping wheel 24 (being on the wheel face of clamping wheel) is provided with deep-slotted chip breaker or the U-shaped groove with coiled tubing form fit.
Further, in the present embodiment, on the periphery of described injection wheel 1, be also provided with brake pad 11, brake pad 11 can circumferentially be embedded on the wheel face that injects wheel 1 along injecting wheel 1, also can be fixed on the wheel face that injects wheel 1 by screw; Brake pad 11 is provided with the deep-slotted chip breaker with coiled tubing form fit, and its effect is coiled tubing to be implemented to clamp under the prerequisite of not destroying coiled tubing together with clamping wheel 24.
In the present embodiment, as shown in Figure 2, the whole wheel rim of described injection wheel 1 is provided with sprocket, to form a sprocket wheel: (that is: driven sprocket 12), described transmission mechanism consists of chain-drive mechanism, comprise driven sprocket 12 and be arranged on the drive sprocket 61 in frame 82, drive sprocket 61 is driven by motor (being motor or hydraulic motor) 62, drive sprocket 61 drives driven sprocket 12 to rotate by driving-chain 63, and Driver injection wheel 1 rotates and drives coiled tubing 84 to realize in oil well and injects or trip out from oil well thus.
As another embodiment in the present embodiment, described transmission mechanism also can adopt tape handler or gear drive; That is: belt pulley or gear are set injecting on wheel 1, by corresponding driving pulley or the rotation of driving gear Driver injection wheel, to drive coiled tubing 84 to realize in oil well, inject or trip out from oil well.
For example, when the coiled tubing of injection oil well is used as operation function passage (: while using as gas production system), utilize wheeled coiled tubing injection device of the present utility model to inject operation, can improve operating efficiency; And because this wheeled coiled tubing injection device is simple in structure, low cost of manufacture, after oil pipe has injected, can not will this injection device remove, and this injection device long period is retained in to well mouth of oil well (being used as hitch uses), thus, can the coiled tubing beyond well head not cut out, and then improve the use effectiveness of coiled tubing; Also can utilize former coiled tubing to deepen to adjust according to the condition of production for gas production system.
Further, as shown in Figure 1 and Figure 2, in the present embodiment, described injection wheel 1 is provided with brake disc 13, by controlling brake disc 13, realize and freely rotate or retrain control to what inject wheel 1, realization utilizes the mechanism of wheeled coiled tubing injection device own to the suspension of coiled tubing 84 and fixing, thus, can omit the operating cost that hitch is installed in prior art.
From the above mentioned, the utility model is started with from changing coiled tubing injecting mechanism, a kind of wheeled coiled tubing injection device is provided, injection wheel in this device integrates coiled tubing guide function and function of injecting, solve existing coiled tubing injection device because guiding mechanism is separated with injecting mechanism, thereby in operation process, needed coiled tubing injecting mechanism and guiding mechanism to carry out the on-the-spot problem that affects operation timeliness of installing.Wheeled coiled tubing injection device of the present utility model is simple in structure, low cost of manufacture, can greatly reduce the overall cost of coiled tubing injection device, contributes to applying of coiled tubing injection device and construction technology technology.While using this wheeled coiled tubing injection device to be lowered to coiled tubing in gas production system, after arriving operation field, can utilize lift oil tank that frame uprightly just can be completed to installation, use device itself just can be placed in this injecting mechanism well head side, the injection end centering well head of wheel will be injected, just can implement to inject and trip out operation coiled tubing, overcome because the injection of existing coiled tubing injection device and guiding mechanism can only be usingd well head and could be implemented the mounting condition that coiled tubing injection operation brings and limit as basis is installed, having realized the convenient of equipment installs.Upper with brake disc owing to injecting wheel, by controlling brake disc, can realize injecting freely rotating and constraint control of wheel, this wheeled coiled tubing injection device can be realized and utilize this body structure to the fixing of coiled tubing, and does not need to be equipped with in addition hitch; Its sealing mechanism also can be simplified greatly, can utilize well head or preventer itself to implement pipe external seal to coiled tubing.Using coiled tubing as speed pipe or additive pipe when the gas production system, because wheeled coiled tubing injection device cost is low, described wheeled coiled tubing injection device can be retained in to well head (needn't remove or remove), remaining in well head coiled tubing in addition no longer needs to cut out, the effectiveness of reusing that has improved coiled tubing, reduces comprehensive cost of production; Can utilize former coiled tubing to deepen to adjust according to the condition of production for gas production system, improve the Technological adaptability of coiled tubing in gas production system.
The foregoing is only the schematic specific embodiment of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations and the modification of having done under the prerequisite of design of the present utility model and principle, all should belong to the scope of the utility model protection.
Claims (8)
1. a wheeled coiled tubing injection device, it is characterized in that: described injection device includes rotating shaft and is horizontally disposed injection wheel, described injection wheel is arranged on rotationally on an injection wheeling supporting frame and by a transmission mechanism and drives, described injection wheeling supporting frame is fixedly installed in a frame, and the outer rim of described injection wheeling supporting frame is greater than the diameter that injects wheel; Around described injection wheel top periphery, be provided with a plurality of fixed bearings that are set in distance, described each fixed bearing is fixed on and injects on wheeling supporting frame, and the bottom of each fixed bearing keeps a determining deviation with injection wheel periphery; The bottom of each fixed bearing is connected with a clamping wheel support by clamping fluid cylinder, on described clamping wheel support, is articulated with a clamping wheel, the rotating shaft of described each clamping wheel and the shaft parallel setting of injecting wheel; The coiled tubing being coiled on cylinder is set around injection wheel and is pressed on and is injected on wheel wheel face by described a plurality of clamping wheels.
2. wheeled coiled tubing injection device as claimed in claim 1, is characterized in that: the wheel face of described clamping wheel is provided with the deep-slotted chip breaker with coiled tubing form fit.
3. wheeled coiled tubing injection device as claimed in claim 2, is characterized in that: the periphery of described injection wheel is provided with brake pad, and brake pad is provided with the deep-slotted chip breaker with coiled tubing form fit.
4. wheeled coiled tubing injection device as claimed in claim 1, is characterized in that: the wheel rim of described injection wheel is provided with sprocket, forms a sprocket wheel, by the rotation of chain-drive mechanism Driver injection wheel.
5. wheeled coiled tubing injection device as claimed in claim 1, is characterized in that: described injection wheel is provided with belt pulley, by the rotation of tape handler Driver injection wheel.
6. wheeled coiled tubing injection device as claimed in claim 1, is characterized in that: described injection wheel is provided with gear, by the rotation of gear drive Driver injection wheel.
7. wheeled coiled tubing injection device as claimed in claim 1, is characterized in that: described injection wheel is provided with brake disc.
8. wheeled coiled tubing injection device as claimed in claim 1, is characterized in that: described cylinder and frame are arranged on a mobile device; Described frame bottom is hinged with mobile device; Frame is provided with lift oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095605.9U CN203783495U (en) | 2014-03-04 | 2014-03-04 | Wheel type coiled tubing injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095605.9U CN203783495U (en) | 2014-03-04 | 2014-03-04 | Wheel type coiled tubing injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203783495U true CN203783495U (en) | 2014-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420095605.9U Expired - Fee Related CN203783495U (en) | 2014-03-04 | 2014-03-04 | Wheel type coiled tubing injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203783495U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835672A (en) * | 2014-03-04 | 2014-06-04 | 北京力源恒通科技有限公司 | Wheel-type coiled tubing injection device |
| CN112302558A (en) * | 2019-07-30 | 2021-02-02 | 中国石油化工股份有限公司 | Wellhead suspension device suitable for small-diameter coiled tubing operation |
| WO2022021716A1 (en) * | 2020-07-28 | 2022-02-03 | 深圳大学 | Guiding and injecting integrated mechanism of continuous guide pipe |
-
2014
- 2014-03-04 CN CN201420095605.9U patent/CN203783495U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835672A (en) * | 2014-03-04 | 2014-06-04 | 北京力源恒通科技有限公司 | Wheel-type coiled tubing injection device |
| CN112302558A (en) * | 2019-07-30 | 2021-02-02 | 中国石油化工股份有限公司 | Wellhead suspension device suitable for small-diameter coiled tubing operation |
| CN112302558B (en) * | 2019-07-30 | 2022-04-01 | 中国石油化工股份有限公司 | Wellhead suspension device suitable for small-diameter coiled tubing operation |
| WO2022021716A1 (en) * | 2020-07-28 | 2022-02-03 | 深圳大学 | Guiding and injecting integrated mechanism of continuous guide pipe |
| US11821271B2 (en) | 2020-07-28 | 2023-11-21 | Shenzhen University | Guiding and injecting integrated mechanism for continuous conduit |
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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: 20140820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |