SERIE OTR480D OTR HYDRAULIC PILING RIG MACHINE

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OTR480D:

 

A drilling rig is a machine which creates holes in the earth sub-surface. Drilling rigs can be massive structures housing equipment used to drill water wells, oil wells, or natural gas extraction wells, or they can be small enough to be moved manually by one person and are called augers. Drilling rigs can sample sub-surface mineral deposits, test rock, soil and groundwater physical properties, and also can be used to install sub-surface fabrications, such as underground utilities, instrumentation, tunnels or wells. Drilling rigs can be mobile equipment mounted on trucks, tracks or trailers, or more permanent land or marine-based structures (such as oil platforms, commonly called 'offshore oil rigs' even if they don't contain a drilling rig). The term "rig" therefore generally refers to the complex of equipment that is used to penetrate the surface of the Earth's crust.

 

Small to medium-sized drilling rigs are mobile, such as those used in mineral exploration drilling, blast-hole, water wells and environmental investigations. Larger rigs are capable of drilling through thousands of metres of the Earth's crust, using large "mud pumps" to circulate drilling mud (slurry) through the drill bit and up the casing annulus, for cooling and removing the "cuttings" while a well is drilled. Hoists in the rig can lift hundreds of tons of pipe. Other equipment can force acid or sand into reservoirs to facilitate extraction of the oil or natural gas; and in remote locations there can be permanent living accommodation and catering for crews (which may be more than a hundred). Marine rigs may operate thousands of miles distant from the supply base with infrequent crew rotation or cycle.

 

 

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:What are the polymer slurries used for rotary drilling machines?
Polymer polymer mud is a kind of advanced foreign technology imported product. It is a kind of water soluble and easy mixed powder granule polymer
Q:Construction scheme of rotary pile driver
Process selectionIn the construction of the project, the drilling method of rotary drilling rig and dry hole formation are adopted. Combined with the geological condition of bored pile in this project, many factors, such as large quantity and tight time limit, the backfill bit adopts rotary bucket drill, and the rotary digging sand drill bit is used in the cleaning hole. When rock is embedded, the bucket is drilled by rotary cutting, and the partially drilled sandstone is drilled by rotary auger bit. For some of the more abundant underground water piles, the slurry wall should be used as support, and the larger pile will be supported by steel support.
Q:Are our common rotary drilling rigs the same as those for well drilling machines?
No, rotary drilling rigs are used for foundation piling
Q:How many litres of oil are usually consumed per hour in a rotary drilling rig?
This depends on what kind of model, different models of engine power is not the same
Q:The advantages and disadvantages of the rotary drilling rig and impact drilling machine used in the construction of bridge bored pile foundation
Three see is a friction pile or pile support, support pile must use cyclotron drill, or go after drilling friction pile on the pile bottom sediment is not high, can be used to drill, but to ensure the aperture piles in Yangtze River bridge 3 meters are used for drilling rotary drill rig. Positive cycle rig. Reverse circulation drilling rig (pump suction or air lift). Full bore rig. Punching and drilling. Manual hole digging.... Have to look at geology, there are advantages and disadvantages, and pile diameter, the bottom water level, the amount of engineering, land or on the work rack, the length of the pile, and so on, ah!Rotary drill: wide range of application. That is, the mud wall, the hole is not easy. Drilling speed is slow in rock geology;
Q:How many piles per day can the bored pile foundation be 400mm and the pile is 25 meters long?
1 、 impact drilling hole: adapt to relatively soft formation.2, rotating drilling hole: adapt to relatively hard strata or gravel layer, backfill and other complex geological conditions.3. Hole drilling of casing drilling machine: it is suitable for stratum with flowing sand and underground water.4. Drilling by rotary drilling machine5. Drilling under karst geological conditions6, reinforced cage, concrete7 、 deepwater drilling pile fixed platform
Q:When the rotary drilling rig is working, how does the rotated soil enter into the slag bucket?
Cyclotron is used drilling mud circulation way out of the mud, in the form of power head of rotary drilling, using powerful torque directly to the soil or gravel and other rotary drilling waste slag mining, and then use the spin bucket hole is put forward quickly out of dry soil. Compared with rotary drilling drilling with high efficiency and less pollution and lower cost.
Q:Can rotary drilling machine be used in rock layer?
The rock layer depends on the hardness, I have seen the 280 rig called 700KPA mudstone and 2200KPA granite, and 250 rigs played 4000KPA to beat rock schist, the key lies in the construction of rotary drilling rig, a rock speed is very slow.
Q:How many times a day will the drilling machine be used?
According to geological conditions and diameter of piles, it is usually between 30 and 60 meters
Q:What's the market for small rotary drilling rigs? Do house foundations pile well?
Consider a sincere advice, no risk, no initial fee, no double pressure, legal, product quality, product price is particularly cheap, consumption, product sales will accumulate more and more cheap, no worries about the network with the ground contacts, forever development business, WeChat can exchange

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