CN108150113A - Underground hydraulic pressure drives turbine tractor - Google Patents
Underground hydraulic pressure drives turbine tractor Download PDFInfo
- Publication number
- CN108150113A CN108150113A CN201711479217.5A CN201711479217A CN108150113A CN 108150113 A CN108150113 A CN 108150113A CN 201711479217 A CN201711479217 A CN 201711479217A CN 108150113 A CN108150113 A CN 108150113A
- Authority
- CN
- China
- Prior art keywords
- tractor
- top connection
- lower contact
- turbine
- underground
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000003129 oil well Substances 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
Underground hydraulic pressure drives turbine tractor, and including top connection and lower contact, top connection and lower contact are provided with the turbine wheel shaft being connect with top connection and lower contact, equally distributed turbo blade are provided on turbine wheel shaft by being tightly connected helical cavity in helical cavity；Top connection connects the oil outlet of coiled tubing；During use, coiled tubing is connected to power liquid in tractor top connection and is squeezed into from ground, flow through helical cavity, and do eddy motion under the disturbance of turbo blade, simultaneously with the increase of turbine shaft length, fluid pressure is gradually reduced, and liquid connects 2 under passing through from the outlet of helical cavity 4 and enters in underground operation tool；The present invention has many advantages, such as the advantages of compact-sized, size is small, can be suitably used for operating environment severe under oil well.
Description
Technical field
The present invention relates to hydraulic coupling can be provided for related underground operation tool come the tractor for the requirement that fulfils assignment, especially relate to
And underground hydraulic pressure driving turbine tractor.
Background technology
To meet the whole world, to oil, ever-increasing demand, reduction cost of winning increase oil reservoir to the greatest extent
Drainage area improves the recovery ratio of oil gas, disclosure satisfy that above-mentioned requirements using horizontal drilling technology exploitation deep-seated oil storage at present.
During horizontal well operations, it is often necessary to by related downhole instrument be transported to destination locations logged well, the underground work such as well workover, and pass
System can not be by downhole instrument tool carrier to net horizontal section, in particular with water by the mode that cable pendency is sent by gravity
Mostly using barefoot completion mode, there is a large amount of concave-convex soft spots on the borehole wall so that transport underground work in the increase of flat section size
The operation related to underground is carried out of tool string becomes particularly difficult.Traditional drilling or feeding mode on oil field, in cost and efficiency
All do not have advantage, and use the feeding mode of coiled tubing that can effectively reduce the activity duration to make up a joint, can carry significantly
Its high operating efficiency.But since coiled tubing itself amount of deflection is larger, buckling self-locking easily occurs in underground and is difficult to realize level
The feeding purpose of section tool, it is therefore desirable to develop a kind of special pulling equipment, this equipment should also have big tractive force, remove
Because coiled tubing enters the purpose of well before meeting, it should also be embodied as related underground operation tool and provide hydraulic coupling so as to fulfill correlation
The purpose of underground work.
At present, also in theoretical research and contrived experiment stage, achievement in research is not overripened, lacks for the design of domestic tractor
Weary reliable practical experience；Meanwhile limited by borehole size and complex hole condition, mechanical efficiency is low, hauling speed and tractive force
It is smaller, obstacle climbing ability is weak, does not adapt to the job requirements of diameter variable well eye into domestic and international common problem.As continuous oil
The kit of pipe, the design of downhole tractor for providing large traction and providing hydraulic power for related underground operation tool are ground
Hair largely determines the applicable cases of coiled tubing technology, while also restricts and push pushing away for coiled tubing technology
Wide application and update, determine operation mechanism under oil well, while also contribute to underground work efficiency.Downhole tractor master at present
There are the forms such as wheeled tractor, telescopic tractor, crawler type tractor.Its main feature is that it can be carried not against gravity and ground
The thrust of confession completely by the power plant entrained by itself, such as motor, hydraulic cylinder or directly passes through high pressure well liquid and drives etc.
Mode generates power, pushes well logging or well workover the instrument displacement in horizontal well of itself and required feeding.
Invention content
To solve above-mentioned existing shortcoming, tractive force numerical value is increased considerably, the object of the present invention is to provide a kind of underground liquids
Pressure driving turbine tractor, can be entered in turbine and worm by liquid feeding pressure, liquid in pipe in coiled tubing, make liquid along turbine
Worm screw is flowed, and larger hydraulic coupling is made to pass through multistage turbine worm screw and is acted on, is reduced to smaller hydraulic coupling, so as to form pressure
Force difference generates sufficiently large tractive force.
To reach above-described purpose, the technical solution adopted by the present invention is：
Underground hydraulic pressure drives turbine tractor, and including top connection 1 and lower contact 2, top connection 1 and lower contact 2 pass through sealing 3
Helical cavity 4 is connected, the turbine wheel shaft 5 being connect with top connection 1 and lower contact 2 is provided in helical cavity 4, is provided on turbine wheel shaft 5
The turbo blade 6 of even distribution；Top connection 1 connects the oil outlet of coiled tubing.
Further, a diameter of 40mm of the turbine wheel shaft 5；The high 15mm of turbo blade 6, thickness 8mm.
Further, the screw pitch of the turbo blade 6 uses 50mm, 75mm or 100mm.
Further, the lower contact 2 connects underground operation tool.
Beneficial effects of the present invention：
Using the present invention of as above technical solution, have the advantages that：
The 1st, turbo blade 6 is set in helical cavity 4 of the invention, the liquid in coiled tubing passes through turbo blade 6 so that spiral shell
The pressure difference that the inlet and outlet of chamber 4 generate is revolved, the job requirements of large traction are realized, after downhole tractor can be solved due to going into the well
The phenomenon that in operation process due to tractive force is small and generates " draw motionless "；Have many advantages, such as that compact-sized, size is small, can fit
For operating environment severe under oil well；The pressure fluid exported by screw rod chamber can provide operation pressure for associated downhole tool
Power meets the needs of different underground work, and scalability is strong, and marketing has a high potential, and has a extensive future, motor-driven, flexibly,
Radial dimension is small, easy to operate, easy to use.
2nd, the lower contact 2 connects underground operation tool, and it is a series of can not only to draw the progress of associated downhole tool string
Underground work, while coiled tubing and related underground operation tool string can be assisted to go out well, meet practical production requirement.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Specific embodiment
In order to further illustrate the present invention, it is further illustrated below in conjunction with the accompanying drawings：
With reference to shown in Fig. 1, underground hydraulic pressure driving turbine tractor, including top connection 1 and lower contact 2, top connection 1 connects under
First 2 connect helical cavity 4 by sealing 3, and the turbine wheel shaft 5 being connect with top connection 1 and lower contact 2, turbine wheel shaft are provided in helical cavity 4
Equally distributed turbo blade 6 is provided on 5；Top connection 1 connects the oil outlet of coiled tubing, the lower contact 2 connection well
Lower power tool, a diameter of 40mm of turbine wheel shaft 5；The high 15mm of turbo blade 6, thickness 8mm；The screw pitch of turbo blade 6 is adopted
With 50mm, 75mm or 100mm.
The operation principle of the present invention：
It is squeezed into use, coiled tubing is connected to power liquid in tractor top connection 1 from ground, flows through helical cavity 4, and
Eddy motion is done under the disturbance of turbo blade 6, while with the increase of 5 length of turbine wheel shaft, fluid pressure is gradually reduced, liquid
Enter in underground operation tool from the outlet of helical cavity 4 by lower contact 2, the pressure needed for operation is provided for downhole tool, and by
Pressure drop is generated inside tractor, between coiled tubing and casing annulus under the action of fluid pressure, tractor, which is realized, to be pulled
The purpose of coiled tubing.
With reference to shown in table 1, corresponded under the conditions of inlet pressure is 30MPa, flow is 0.5L/min 50mm, 75mm and
The stress of 100mm screw pitch point：
Table 1
From table 1 it follows that there are entry effect in former grade blades of inlet, and pressure is higher, stagnation
Area's area is bigger.
Claims (4)
1. underground hydraulic pressure drives turbine tractor, which is characterized in that including top connection (1) and lower contact (2), top connection (1) and
Lower contact (2) connects helical cavity (4) by sealing (3), is provided in helical cavity (4) and is connect with top connection (1) and lower contact (2)
Turbine wheel shaft (5), be provided with equally distributed turbo blade (6) on turbine wheel shaft (5)；Top connection (1) connection coiled tubing goes out
Hydraulic fluid port.
2. underground hydraulic pressure according to claim 1 drives turbine tractor, which is characterized in that the turbine wheel shaft (5)
A diameter of 40mm；The high 15mm of turbo blade 6, thickness 8mm.
3. underground hydraulic pressure according to claim 1 drives turbine tractor, which is characterized in that the turbo blade (6)
Screw pitch use 50mm, 75mm or 100mm.
4. underground hydraulic pressure according to claim 1 drives turbine tractor, which is characterized in that the lower contact (2) is even
Connect underground operation tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479217.5A CN108150113A (en) | 2017-12-29 | 2017-12-29 | Underground hydraulic pressure drives turbine tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479217.5A CN108150113A (en) | 2017-12-29 | 2017-12-29 | Underground hydraulic pressure drives turbine tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108150113A true CN108150113A (en) | 2018-06-12 |
Family
ID=62460071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711479217.5A Pending CN108150113A (en) | 2017-12-29 | 2017-12-29 | Underground hydraulic pressure drives turbine tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150113A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6527513B1 (en) * | 1998-07-31 | 2003-03-04 | Rotech Holdings Limited | Turbine for down-hole drilling |
| CN204002562U (en) * | 2014-07-03 | 2014-12-10 | 中国石油大学(华东) | Turbine drive formula horizontal well casing pipe tractor |
| CN107060675A (en) * | 2017-05-22 | 2017-08-18 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of underground hydraulic pressure drives turbocharging tractor |
-
2017
- 2017-12-29 CN CN201711479217.5A patent/CN108150113A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6527513B1 (en) * | 1998-07-31 | 2003-03-04 | Rotech Holdings Limited | Turbine for down-hole drilling |
| CN204002562U (en) * | 2014-07-03 | 2014-12-10 | 中国石油大学(华东) | Turbine drive formula horizontal well casing pipe tractor |
| CN107060675A (en) * | 2017-05-22 | 2017-08-18 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of underground hydraulic pressure drives turbocharging tractor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2750375C1 (en) | Drilling system with several channels for flow circulation and drilling method for drilling wells with large bore diameter in solid rocks | |
| US9850744B2 (en) | Method for extracting coalbed gas through water and coal dust drainage and a device thereof | |
| CN103967439A (en) | Continuous milling and salvage integrated tool and milling and salvage method thereof | |
| CN107575249A (en) | A kind of high-pressure slurry wall protecting method and device | |
| CN105952404A (en) | Hydraulically driven alternative telescopic coiled tubing traction apparatus | |
| CN103388466A (en) | Concentric pipe hydraulic jet coal dust washing downhole device | |
| CN102392646B (en) | Marine gas hydrate electronic-spraying pump composite exploitation method and apparatus | |
| CN106837266A (en) | Gas well drainage underground gas production instrument based on jet with vortex one | |
| CN107461184A (en) | Heat-extraction system and process are returned in a kind of shale gas horizontal well crack de-plugging | |
| CN103867148B (en) | Concentric-tube pulverized coal discharging system and method for coal-bed gas well | |
| CN104563873B (en) | Downhole casing power guide device | |
| CN103104203A (en) | Drilling-fluid solid-control control process | |
| CN102312659A (en) | Pollution-free well workover process for oil field | |
| CN108150113A (en) | Underground hydraulic pressure drives turbine tractor | |
| CN204344091U (en) | A kind of reacting cycle liquid drives oil-extracting screw pump | |
| CN201650102U (en) | Drilling mechanism of compound rotary drilling rig | |
| RU156918U1 (en) | DRILLING RIG | |
| CN207879289U (en) | Well workover reacting cycle drags for sand sand-precipitating tube | |
| CN203701950U (en) | Turbine mixed-flow type underground power pressurization drilling tool | |
| CN206785335U (en) | The mud binary cycle system of rig | |
| CN203362134U (en) | Sand-preventing gas-preventing desilting device | |
| CN202900099U (en) | Wellhead device of concentric double-skin tubular column reverse circulation continuous flushing coal powder system | |
| CN206346723U (en) | A kind of mining device of electric submersible oil reciprocation pump on Oil/gas Well | |
| AU2014320487B2 (en) | Drilling tool | |
| CN113404481A (en) | Shaft flow control method based on double-layer continuous pipe double-gradient drilling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180612 |
|
| WD01 | Invention patent application deemed withdrawn after publication |