SERIE OTR340D OTR HYDRAULIC DRILLING RIG MACHINE

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OTR340D:
①. Base: CAT 329D(HHP)
②. Max pile diameter (mm): 1800
③. Max pile depth (m): 60
④. Engine: CAT C7 ACERT 187KW
⑤. Maximum nominal torque (kNm): 200
⑥. Undercarriage with expandable (mm): 3000-430

 

Oil and natural gas drilling rigs are used not only to identify geologic reservoirs but also to create holes that allow the extraction of oil or natural gas from those reservoirs. Primarily in onshore oil and gas fields once a well has been drilled, the drilling rig will be moved off of the well and a service rig (a smaller rig) that is purpose-built for completions will be moved on to the well to get the well on line.[1] This frees up the drilling rig to drill another hole and streamlines the operation as well as allowing for specialization of certain services, i.e., completions vs. drilling.

 


1. Adopts the complete OEM Caterpillar retractable-crawler dedicated chasis,Its telescopic scope between the two crawler ends extends from 3000mm(at transportation) to 4400mm(at work). Undercarriage with expandable and removable tracks by means of hydraulic cylinders, guarantee exception stabbility in any type of ground. It has considerable traction force which allows easy movement even in the most difficult job sites.
2.Takes international top CAT Diesel engine with electric injection, turbocharged and air inter-cooling system. It is high reliability, fuel economy and power reserves. Emissions meet standard EPAC-Ⅲ.
3.The winches are positioned in the lower part of the mast, in front of the cabin, so that the operator can constantly check the proper operation. Thanks to the fact that the cable moves parallely to the mast, flection is not created on the upper part of the mast and operating life of the cable is therefore much longer. Tail positioned winch is available for heavy-duty type.
4.New design parallelogram system, computer optimized design and simplified pin connection system featured with nice appearance, great driving force and good stability, especially shaped to fit crowd system, allowing working radius adjustment always maintaining the mast in vertical position. The parallelogram system is easily for convenient transform between transportation and working conditions.
5.Self-erecting mast, high level anti-shock technology and high-strenth material steel attribute to that max torque can be applied all over the mast length. Multipurpose design for cylinder crowed system. Sensor and control center realize real-time measurement of the inclination angle, auto adjustment of mast verticality and inching adjustment.
6.Crowd system by means of long stroke hydraulic cylinder or crowd winch separately, are option for your exact request.
7.Rotary head with variable displacement motors and one high spin off speed. And rotary is extremely reliable, it has been disgned in order to gurantee a very compact, efficient and powerful rotary. The transmission group of rotary is made up of a hydraulic motor and new power shift purposely studied and designed to obtain maximum perfomance. During the drilling phase, the rotary has the entire power of the diesel at its complete disposal. Adapter of rotary is essential to absorb the considerable shock connected to the high speed of the main winch.
8.Telescopic kelly bar with guide made by high quality specially for high boring strength and torque force. Available with friction or inter-locking type.
9. All the main hydraulic components(pumps, valve, motor, connector) are from well-known international brands such as Bosch-Rexroth, brevini, which ensure the stability, reliability, high-efficiency and energy-saving of the entire system
10.Electronic controlling system is an innovative system, developed by Osaint, which controls and monitors the operation of the machines. For ease of operation, the system is controlled by a touch screen located in the cab. The system function is to enable the machines to perform different functions more efficiently. A dedicated power module electronic control and CAN-Bus system ensures the main pumps and Disel engine to work at their most effective and productive stages.


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Q:The overall structure and working principle of rotary excavation?
Drilling technology and principle of rotary drilling rig. The first is through the rotary drilling rig's own walking function and mast luffing mechanism makes the drill can quickly reach the pile position, the mast guide barrel drill will lower the drill pipes with valve at the bottom of the hole are arranged on the power head device for drill rig, provide torque, pressure device through the pressure head will add pressure to the way drill pipe, drill bits, rotary rock and soil, and directly in the drill rig, and then by the lifting device and the telescopic rod will be made drill hole dumping, such cycles, constantly borrow, dumping, straight to the drilling depth to the design. For the good cohesive rock soil, dry or clear water drilling can be adopted. But in the loose and easy to collapse formation, the static mud wall drilling must be adopted.The basic difference between drilling technology of rotary drilling rig and reverse circulation drilling technology is that the former is to use the drill to remove the broken rock and soil directly from the hole, while the latter is to eliminate drilling slag by slurry circulation to the hole.
Q:Does the rotary drilling rig need mud?
Need, no matter what machine, as long as it is the wall, have to use mud
Q:What kind of stratum is suitable for rotary digging pile?
Core auger bit is suitable for crushed stone soil, medium hardness rock and weathered rock formation. Core rotary bucket, applicable to weathered rock and cracked rock.
Q:What is a rotary pile?
In China, it is an advanced pile foundation construction technology, which is widely used in recent years. It is widely used in highway, railway, bridge and large building foundation pile construction. In the early days, most of the rotary drilling rigs were imported from Germany and Italy, or Japanese second-hand rotary drilling rigs. In recent years, with the Qinghai Tibet railway, Beijing bird's nest and other projects to promote the influx of foreign brands, China's similar products are gradually developed.
Q:How can the drill pipe cracking of rotary drilling rig be welded?
Tell you, you remember, it's a friction welded joint! If it is not friction welding, it is deceptive. Because the oil drill pipe is friction welded. There is a welding and cutting equipment company in Harbin. I used to work as a technician there. Can help you with this problem.
Q:What's the difference between a long auger and a rotary drill?
Construction methods and applicable places are not the same, the long spiral mainly CFG construction method, spiral grouting pile, the depth is usually 50 meters, mainly for housing constructionRotary excavation can be more deep construction, and better in complex geological conditions, construction, general bridge, railway bridge, viaduct and other pile body
Q:Rotary drilling rig when piling, the drill bit off the hole in the pile, how to fish ah?
If more than fifteen meters, a thin rope tied down with the steel wire rope is fixed on the pull. If you don't deep human, not safe, do a salvage device on the line, is a piece of steel, cut into type L, L below the horizontal slightly upwards with a point of view, with the top of the vertical wire rope L, you can then put on the bit.
Q:Which rotary drilling rig is durable and economical?
There is a very durable FR622D Futian leiwo site, is awesome, Carter chassis, three motor reducer, power head multi speed control, embedding ability of super strong, often machine is an open day, customer service is also very important, you should pay attention to!
Q:What brand of rotary drilling rig quality is better? How much? How long is it back?
From the quality, Bauer, but, force big foreign soil is definitely one of the king, started early, mature technology, excellent quality, engineering absolute peace of mind. The only drawback is that compared to the domestic situation, the price is too high, almost the same level of domestic drilling rig 1 - 2 times. Although the quality of the excellent, but considering the initial investment, back to the time and other factors, most customers are discouraged. The same model, Bao goose can sell 700W-800W, but domestic brands only need 400W or so, although the quality is higher, but the price is difficult to accept. Therefore, it is recommended that you do not recommend investing in these brands unless you have substantial funds.
Q:How a rotary drilling rig
You are not open rotary drill, the dray and digging machine is the same.

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