CN105459879B - A kind of hydraulic-driven roller of continuous oil pipe transport vehicle - Google Patents
A kind of hydraulic-driven roller of continuous oil pipe transport vehicle Download PDFInfo
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- CN105459879B CN105459879B CN201510481886.0A CN201510481886A CN105459879B CN 105459879 B CN105459879 B CN 105459879B CN 201510481886 A CN201510481886 A CN 201510481886A CN 105459879 B CN105459879 B CN 105459879B
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Abstract
The present invention relates to oilfield ground operation devices, more specifically to a kind of hydraulic-driven roller of continuous oil pipe transport vehicle；Including chassis vehicle assembly and hydraulic power system, wherein chassis vehicle assembly is connected with hydraulic power system, by way of hydraulic pressure and mechanical mixture driving, realizes chassis vehicle walking；Wherein chassis vehicle assembly includes chassis vehicle, chassis car engine and setting transfer case, frame-type crossbeam and oil pipe roller on the car body, and hydraulic power system includes hydraulic oil container and the hydraulic power circuits that are connected with hydraulic oil container；The chassis vehicle of the present invention can ensure that vehicle height meets national legislation requirement, improve vehicle by performance, while also disclosure satisfy that oilfield operation to Large Diameter Pipeline, the needs of vast capacity oil pipe.
Description
Technical field
The present invention relates to oilfield ground operation devices, are rolled more specifically to a kind of hydraulic-driven coiled tubing
Cylinder transport vehicle.
Background technology
In recent years, with the development of horizontal well and high angle hole technology, coiled tubing has become horizontal in oil gas well operations
Well and ultradeep well convey the rare ideal tools of downhole tool, well logging, reservoir reconstruction.
Continuous oil pipe operation equipment have can Operating Pressure, continuously remove, high degree of automation, operating efficiency is high, movement
Performance is good, the extensive feature of job area.It is widely used in the sand-flushing of conventional and unconventional oil gas field, nitrogen injection is lifted, beaten
Mill is bored in fishing, logs well, perforation, the fields such as separate stratum fracfturing, as what is recognized continuous oil pipe device gos deep into, mating underground work work
Tool reaches its maturity, and coiled tubing will be used wider and wider wealthy.
Continuous oil pipe operation equipment is generally mainly by groups such as control room, roller, well control system, dynamical system and injection heads
At 3 kinds of vehicular, trailer-type and skid-mounted type can be divided into.Since China's oil gas field is distributed in mountainous region mostly, hills and desert
Area, vehicular equipment application is more, but there is also the limitations of the limitation of vehicular equipment suspension chassis vehicle simultaneously, it is difficult to as trailer
Equipment equally makes Large Diameter Pipeline（Outer diameter >=2 "）, the continuous oil pipe device of vast capacity.At the same time, area, Xinjiang are celebrated in river
Tarim Region, there is more horizontal well, deep-wells（>4500m）And ultradeep well（>6000m）, field of operation is gradually by routinely repairing
Well operations turn to job that requires special skills field, need vehicular, Large Diameter Pipeline, the continuous oil pipe operation equipment of vast capacity.
Therefore, vehicular continuous oil pipe operation equipment Large Diameter Pipeline and vast capacity how to be solved the problems, such as, is needs of the present invention
It solves the problems, such as.
Invention content
The object of the present invention is to provide a kind of hydraulic-driven roller of continuous oil pipe transport vehicles.The chassis vehicle can ensure vehicle
Height meets national legislation requirement, improves vehicle by performance, while also disclosure satisfy that oilfield operation to Large Diameter Pipeline, and super large holds
The needs of dipping tube.
It is specific technical solution below：A kind of hydraulic-driven roller of continuous oil pipe transport vehicle, including chassis vehicle assembly and liquid
Force system is pressed, wherein chassis vehicle assembly is connected with hydraulic power system, real by way of hydraulic pressure and mechanical mixture driving
Existing chassis vehicle walking；
Wherein the chassis vehicle assembly includes chassis vehicle, transfer case, the frame of chassis car engine and setting on the car body
Posture crossbeam and oil pipe roller；Oil pipe roller is predominantly wound and storage and transportation coiled tubing, and the internal diameter of oil pipe roller is according to oil pipe
Outer diameter determines that the outer diameter of oil pipe roller is determined according to vehicle height limitation and required oil pipe capacity；
Wherein the hydraulic power system includes that hydraulic oil container and the hydraulic power being connected with hydraulic oil container are returned
Road, wherein mounted in the rear cabin of chassis vehicle, according to the Mass Distribution of vehicle, front-rear axle real load is not influencing hydraulic pressure
Under the premise of pumping oil and hydraulic system heat dissipation effect, front and back position can be adjusted.
Further, the hydraulic power circuits include the parallel connection being made of preceding bridge driving circuit and rear bridge driven circuit
Circuit, hydraulic oil dissipate circuit, oil pipe roller elevating ram circuit.
Further, the preceding bridge driving circuit includes being returned by what hydraulic pump, preceding shaft drive motor, transfer tube formed
Road；The rear bridge driven circuit includes the circuit being made of transfer tube, rear shaft drive motor, transfer tube；The hydraulic oil
Scattered circuit includes the circuit being made of hydraulic pump, heat dissipation motor, hydraulic oil radiator, thermostat valve；The oil pipe roller lifting
Cylinder circuit includes driving lotus valve, roller lifting control crank, syncmotor, roller elevating ram by hydraulic pump, charge to form
Circuit.
Further, preceding bridge driving circuit and rear bridge driven circuit are carried out in parallel by advance, backward navigation handle, wherein
Advance, backward navigation handle is connected respectively at the transfer tube in preceding bridge driving circuit with the transfer tube in rear bridge driven circuit.
Further, frame-type crossbeam is connected by octagonal beam with the front frame of chassis vehicle and Rear frame, middle frame
The sinking of oil pipe roller may be implemented in formula crossbeam.
Further, the engine of chassis vehicle is connected by shaft coupling with transfer case, and wherein transfer case drives with preceding bridge
The hydraulic pump that circuit, rear bridge driven circuit, hydraulic oil dissipate in circuit, oil pipe roller elevating ram is connected, by the dynamic of engine
Power is transferred directly to hydraulic pump.
Further, transport vehicle further includes oil pipe lifting device and oil pipe roller lifting guider, wherein oil pipe roller
It lifts guider to be arranged between roller pedestal and transport vehicle, on frame-type crossbeam.
Further, oil pipe roller lifting device is connected with roller elevating ram, by roller elevating ram, by chassis
Vehicle drives, and promotes oil pipe roller height.
Further, according to actual use temperature range needs, winter can be installed additional with hydraulic pressure heating system for oil.
Advantageous effect：The chassis vehicle of the present invention can ensure that vehicle height meets national legislation requirement, improve vehicle and pass through
Performance, while also disclosure satisfy that oilfield operation to Large Diameter Pipeline, the needs of vast capacity oil pipe.
Description of the drawings
Fig. 1 is roller of continuous oil pipe transport vehicle in the prior art；
Fig. 2 is hydraulic-driven roller of continuous oil pipe transport vehicle of the present invention；
Fig. 3 is hydraulic-driven roller of continuous oil pipe transport vehicle roller raising state of the present invention；
Fig. 4 is hydraulic motor drive assembly schematic diagram of the present invention；
Fig. 5 is hydraulic-driven coiled tubing transport vehicle hydraulic system principle figure of the present invention；
Wherein：1, chassis vehicle 2, chassis car engine 3, chassis vehicle gearbox 4, chassis vehicle transfer case 5, transmission shaft 6, oil pipe
Roller 7, frame-type crossbeam 8, transfer case 9, hydraulic oil container 10, hydraulic oil radiator 11, hydraulic pump 12, motor drive assembly 13,
Fluid pressure line 14, oil pipe roller elevating ram 15, oil pipe roller lifting guider 16, vehicle bridge 17, speed change gear 18, manipulator
Handle 19, pair vane pump 20, roller descending operation handle 21, syncmotor.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings of the specification.
A kind of hydraulic-driven roller of continuous oil pipe transport vehicle, which is characterized in that the transport vehicle includes chassis vehicle assembly
And hydraulic power system, wherein chassis vehicle assembly are connected with hydraulic power system, the side driven by hydraulic pressure and mechanical mixture
Formula realizes chassis vehicle walking；
Wherein the chassis vehicle assembly includes chassis vehicle, transfer case, the frame of chassis car engine and setting on the car body
Posture crossbeam and oil pipe roller；Oil pipe roller is predominantly wound and storage and transportation coiled tubing, and the internal diameter of oil pipe roller is according to oil pipe
Outer diameter determines that the outer diameter of oil pipe roller is determined according to vehicle height limitation and required oil pipe capacity；
Wherein the hydraulic power system includes that hydraulic oil container and the hydraulic power being connected with hydraulic oil container are returned
Road, wherein mounted in the rear cabin of chassis vehicle, according to the Mass Distribution of vehicle, front-rear axle real load is not influencing hydraulic pressure
Under the premise of pumping oil and hydraulic system heat dissipation effect, front and back position can be adjusted.
Further, the hydraulic power circuits include the parallel connection being made of preceding bridge driving circuit and rear bridge driven circuit
Circuit, hydraulic oil dissipate circuit, oil pipe roller elevating ram circuit.
Further, the preceding bridge driving circuit includes being returned by what hydraulic pump, preceding shaft drive motor, transfer tube formed
Road；The rear bridge driven circuit includes the circuit being made of transfer tube, rear shaft drive motor, transfer tube；The hydraulic oil
Scattered circuit includes the circuit being made of hydraulic pump, heat dissipation motor, hydraulic oil radiator, thermostat valve；The oil pipe roller lifting
Cylinder circuit includes driving lotus valve, roller lifting control crank, syncmotor, roller elevating ram by hydraulic pump, charge to form
Circuit.
Further, preceding bridge driving circuit and rear bridge driven circuit are carried out in parallel by advance, backward navigation handle, wherein
Advance, backward navigation handle is connected respectively at the transfer tube in preceding bridge driving circuit with the transfer tube in rear bridge driven circuit.
Further, frame-type crossbeam is connected by octagonal beam with the front frame of chassis vehicle and Rear frame, middle frame
The sinking of oil pipe roller may be implemented in formula crossbeam.
Further, the engine of chassis vehicle is connected by shaft coupling with transfer case, and wherein transfer case drives with preceding bridge
The hydraulic pump that circuit, rear bridge driven circuit, hydraulic oil dissipate in circuit, oil pipe roller elevating ram is connected, by the dynamic of engine
Power is transferred directly to hydraulic pump.
Further, transport vehicle further includes oil pipe lifting device and oil pipe roller lifting guider, wherein oil pipe roller
It lifts guider to be arranged between roller pedestal and transport vehicle, on frame-type crossbeam.
Further, oil pipe roller lifting device is connected with roller elevating ram, by roller elevating ram, by chassis
Vehicle drives, and promotes oil pipe roller height.
Further, according to actual use temperature range needs, winter can be installed additional with hydraulic pressure heating system for oil.
As shown in Figure 1, traditional sunk type roller of continuous oil pipe transport vehicle terrain clearance is about 308mm, it is that transmission shaft 5 is liftoff
The vehicle that the distance in face has is even up to 440mm, when vehicle total height is controlled in 4469mm or so, for the vehicle of 2500mm
Type, 6 appearance and size of oil pipe roller are 152 " * 80 " * 72 ", wherein 152 " be the outer diameter of oil pipe roller, 80 " be the interior of oil pipe roller
Diameter, 72 " be the inner width of oil pipe roller, and such oil pipe roller is suitble to transport and wind the coiled tubing of 2 " outer diameters, by calculating, most
Oil pipe 5500m can be accommodated greatly.The length that 5500m can actually be used is in 5000m or so, this is for part deep-well（>4500m）
And ultradeep well（>6000m）Job requirements cannot be satisfied.
As shown in Fig. 2, hydraulic-driven sunk type roller of continuous oil pipe transport vehicle, due to without transmission shaft 5 and chassis vehicle
The direct road clearance of transfer case 4, oil pipe roller 6 can be 308mm, and at same height 4469mm, roller outer diameter is reachable
164 " (4161mm), in 6 same internal diameter 80 " of oil pipe roller and inner width（72"）In the case of, the Rong Guanliang of 2 " oil pipes can reach
To 7000m, greatly improved than traditional sunk type roller of continuous oil pipe transport vehicle.While this roller of continuous oil pipe transport vehicle
Oil pipe roller be designed to can lifting structures, the ground clearance of oil pipe roller（308mm）The smaller that can be done, such vehicle height
It may be limited in allowable range.Bad road conditions are encountered, because the oil pipe roller road clearance is too small, when influencing the passability of vehicle,
Roller of continuous oil pipe can be lifted by way of hydraulic lifting, improve the passability of vehicle.
As shown in figure 3, Fig. 3 is the schematic diagram that oil pipe roller is in lifting state.The lifting of oil pipe roller 6 is by 4
The lifting of elevating ram 14 realizes, when lifting, to ensure the steady progress of lifting, is designed with the lifting of oil pipe roller and is oriented to dress
15 are set, i.e., the sleeve in four columns and oil pipe roller pedestal on a chassis, column acts not only as lifting and is oriented to, also
Can be when vehicle be in travel position, fixed oil pipe roller uses.When to ensure the lifting of oil pipe roller, 4 elevating rams 14
Synchronism, devises syncmotor 21 in hydraulic circuit, and syncmotor can ensure the deviation of 4 hydraulic cylinder fuel supply flow rates
In allowed limits, the control of oil cylinder is realized by controlling handle 20.
As shown in figure 5, Fig. 5 is hydraulic-driven sunk type coiled tubing transport vehicle hydraulic system principle figure.It can be with by Fig. 2
See, engine in situ is connect by the bell housing of engine 2 with transfer case 8, and connection is realized by shaft coupling.After transfer case
There are hydraulic pressure pump interface, hydraulic pump 11 to be directly installed on transfer case.Hydraulic circuit has 4 hydraulic oil pumps in diagram schematic diagram,
In 2 hydraulic pumps 11 be used to drive the preceding bridge and rear axle of vehicle, 2 hydraulic pumps 19 to be respectively used to the heat dissipation of driving hydraulic circuit
The elevating ram 14 of device 10 and oil pipe roller.The consistency moved for bridge before guarantee 16 and rear axle, it is illustrated that hydraulic circuit was selected
The shunt circuit of hydraulic motor, 2 hydraulic pumps are 2 hydraulic motor fuel feeding, drive the operating of chassis vehicle, the speed governing of chassis vehicle logical
It crosses speed adjusting lever 18 and realizes speed governing, it is illustrated that speed adjusting lever is hydraulic control handle, the direction by regulation handle and aperture, be may be implemented
Adjust the advance and retreat and speed of chassis vehicle 1.Hydraulic oil container 9 as shown in Figure 2 provides hydraulic oil for entire hydraulic circuit, and hydraulic oil dissipates
10 radiate for entire circuit, it is ensured that hydraulic oil temperature is always in optimum temperature range.In addition to above-mentioned component, also match in hydraulic circuit
Standby necessary reversal valve, overflow valve, flushing valve, filter, the essential elements such as pipeline and connector.
As shown in figure 4, Fig. 4 is the schematic diagram of hydraulic motor drive assembly 12 and vehicle bridge.Hydraulic motor and speed change gear 17
Connection drives the rotation of vehicle bridge 16.The aerodynamic brake mechanism of vehicle bridge can be retained, and the driving and parking braking of vehicle are used for,
In addition, hydraulic circuit can also design parking braking, and hydraulic circuit can also realize that Hydraulic Main drives when aerodynamic brake works
Circuit releasing pressure automatically function.
Hydraulic-driven roller of continuous oil pipe transport vehicle travel speed of the present invention can be restricted, this is by hydraulic-driven
The limitation of itself, but not influence use of the complete equipment in different geographical Oil Field operation.
The hydraulic-driven sunk type oil pipe roller transport vehicle of the present invention includes but not limited to oil pipe roller transport vehicle, continuous oil
Pipe implement is also not limited to coiled tubing work vehicle, can also be including control room, roller, well control system, dynamical system
With one of injection head, both or more persons other implements.
Claims (6)
1. a kind of hydraulic-driven roller of continuous oil pipe transport vehicle, which is characterized in that the transport vehicle include chassis vehicle assembly and
Hydraulic power system, wherein chassis vehicle assembly are connected with hydraulic power system, by way of hydraulic pressure and mechanical mixture driving,
Realize chassis vehicle walking；
Wherein the chassis vehicle assembly includes chassis vehicle, transfer case, the frame-type of chassis car engine and setting on the car body
Crossbeam and oil pipe roller；
The wherein described hydraulic power system includes hydraulic oil container and the hydraulic power circuits that are connected with hydraulic oil pipe；
The engine of the chassis vehicle is connected by shaft coupling with transfer case, wherein transfer case and preceding bridge driving circuit, after
The hydraulic pump that bridge driving circuit, hydraulic oil dissipate in circuit, oil pipe roller elevating ram is connected, and the power of engine is directly passed
It is defeated by hydraulic pump, the frame-type crossbeam is connected by octagonal beam with the front frame of chassis vehicle and Rear frame, middle frame
The sinking of oil pipe roller may be implemented in formula crossbeam.
2. a kind of hydraulic-driven roller of continuous oil pipe transport vehicle according to claim 1, which is characterized in that the hydraulic pressure
Power loop includes that the shunt circuit being made of preceding bridge driving circuit and rear bridge driven circuit, hydraulic oil dissipate circuit, oil pipe roller
Elevating ram circuit.
3. a kind of hydraulic-driven roller of continuous oil pipe transport vehicle according to claim 1, which is characterized in that the preceding bridge
Driving circuit includes the circuit being made of hydraulic pump, preceding shaft drive motor, transfer tube；
The rear bridge driven circuit includes the circuit being made of hydraulic pump, rear shaft drive motor, transfer tube；
It includes the circuit being made of hydraulic pump, heat dissipation motor, hydraulic oil radiator, thermostat valve that the hydraulic oil, which dissipates circuit,；
The oil pipe roller elevating ram circuit includes driving lotus valve, roller lifting control crank, synchronization by hydraulic pump, charge
The circuit of motor, roller elevating ram composition.
4. a kind of hydraulic-driven roller of continuous oil pipe transport vehicle according to claim 2 or 3, which is characterized in that described
Preceding bridge driving circuit and rear bridge driven circuit carry out parallel connection by advance, backward navigation handle, wherein advancing, backward navigation handle
It is connected respectively with the transfer tube in the transfer tube and rear bridge driven circuit in preceding bridge driving circuit.
5. a kind of hydraulic-driven roller of continuous oil pipe transport vehicle according to claim 1, which is characterized in that the transport
Vehicle further includes oil pipe lifting device and oil pipe roller lifting guider, and wherein oil pipe roller lifting guider is arranged in roller
Between pedestal and transport vehicle, on frame-type crossbeam.
6. a kind of hydraulic-driven roller of continuous oil pipe transport vehicle according to claim 3 or 5, which is characterized in that described
Oil pipe roller lifting device is connected with roller elevating ram, by roller elevating ram, is driven by chassis vehicle, promotes oil pipe rolling
Cylinder height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481886.0A CN105459879B (en) | 2015-08-10 | 2015-08-10 | A kind of hydraulic-driven roller of continuous oil pipe transport vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481886.0A CN105459879B (en) | 2015-08-10 | 2015-08-10 | A kind of hydraulic-driven roller of continuous oil pipe transport vehicle |
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| CN105459879A CN105459879A (en) | 2016-04-06 |
| CN105459879B true CN105459879B (en) | 2018-11-06 |
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| CN201510481886.0A Active CN105459879B (en) | 2015-08-10 | 2015-08-10 | A kind of hydraulic-driven roller of continuous oil pipe transport vehicle |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119072B (en) * | 2017-12-05 | 2019-10-11 | 中国石油天然气集团公司 | Continuous-tube roller device |
| CN108909857A (en) * | 2018-06-01 | 2018-11-30 | 中国重汽集团湖北华威专用汽车有限公司 | A kind of continuous pipe oil field operation semitrailer |
| US11738807B2 (en) | 2019-05-24 | 2023-08-29 | National Oilwell Varco, L.P. | Coiled tubing trailer |
| CN113202441B (en) * | 2021-04-29 | 2023-03-31 | 中石化四机石油机械有限公司 | Automatic control system and method for electric control liquid of continuous oil pipe equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2505324Y (en) * | 2001-11-15 | 2002-08-14 | 中外建发展股份有限公司 | Hydraulic driving device for front axle wheel of land leveller |
| CN201296203Y (en) * | 2008-11-27 | 2009-08-26 | 胜利油田高原石油装备有限责任公司 | A novel continuous tube working vehicle |
| CN202156464U (en) * | 2011-07-20 | 2012-03-07 | 烟台杰瑞石油装备技术有限公司 | Continuous oil pipe semitrailer |
| CN203611843U (en) * | 2013-12-17 | 2014-05-28 | 烟台杰瑞石油装备技术有限公司 | Novel coiled tubing operating vehicle set |
| CN104760481A (en) * | 2015-03-06 | 2015-07-08 | 三江瓦力特特种车辆有限公司 | Electrically-driven hydraulic independent suspension coiled tubing chassis |
| CN204526953U (en) * | 2015-01-16 | 2015-08-05 | 中国石油天然气集团公司 | Continuous-tube special transport vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3928966B2 (en) * | 2004-02-16 | 2007-06-13 | 伝 毛利 | Drum mounted equipment car |
| KR101193157B1 (en) * | 2012-08-31 | 2012-10-22 | 박용규 | Device and method canopy bottom sediments dredged |
-
2015
- 2015-08-10 CN CN201510481886.0A patent/CN105459879B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2505324Y (en) * | 2001-11-15 | 2002-08-14 | 中外建发展股份有限公司 | Hydraulic driving device for front axle wheel of land leveller |
| CN201296203Y (en) * | 2008-11-27 | 2009-08-26 | 胜利油田高原石油装备有限责任公司 | A novel continuous tube working vehicle |
| CN202156464U (en) * | 2011-07-20 | 2012-03-07 | 烟台杰瑞石油装备技术有限公司 | Continuous oil pipe semitrailer |
| CN203611843U (en) * | 2013-12-17 | 2014-05-28 | 烟台杰瑞石油装备技术有限公司 | Novel coiled tubing operating vehicle set |
| CN204526953U (en) * | 2015-01-16 | 2015-08-05 | 中国石油天然气集团公司 | Continuous-tube special transport vehicle |
| CN104760481A (en) * | 2015-03-06 | 2015-07-08 | 三江瓦力特特种车辆有限公司 | Electrically-driven hydraulic independent suspension coiled tubing chassis |
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| CN105459879A (en) | 2016-04-06 |
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Denomination of invention: Hydraulically-driven continuous oil pipe roller transport vehicle Effective date of registration: 20190814 Granted publication date: 20181106 Pledgee: Agricultural Bank of China Limited by Share Ltd. Dongying Dongying District sub branch Pledgor: SHANDONG KERUI MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2019990000006 |
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Effective date of registration: 20221017 Granted publication date: 20181106 |