News

2020

06-06

How does the drilling machine work during drilling?

Under the effect of atmospheric pressure, the circulating liquid flows from the accumulation tank to the bottom of the well hole along the annular gap of the well hole through the backwater ditch. Since the rotary table at this moment drives the drill pipe and drives the drill bit to rotate for drilling, the negative pressure established by the mud pump sucks the debris mud into the inner cavity of the drill pipe, then rises to the tap and discharges into the accumulation tank through the mud pump. The accumulated circulating liquid continues to flow into the well hole.

2020

06-05

Selection method of down-the-hole drilling rig_oil drilling rig

The selection of the down-the-hole drilling rig mainly considers several factors: the aperture, depth, direction, angle and drilling accuracy of the engineering hole, the rock condition, the condition of the construction site, the construction period, etc. Then according to these requirements to match the appropriate drilling rig, and supporting its corresponding air compressor. At present, large, medium, type, high, medium and low wind pressure, crawler walking and rubber wheel walking are widely used in the domestic market. The driving power includes diesel engines, electric motors, wind motors and other models.

2020

06-04

Maintenance of Drilling Rig Pneumatic Control System_Oil Drilling Rig Manufacturer

The pneumatic valve body has another feature: it has been working well during continuous use, but it suddenly failed after a few days of use. This situation is more likely to occur on dual-use relays. This is because the valve cavity will produce rust during the deactivation period, which will increase the assistance of the valve movement department, and cause air leakage due to work failure. Only the spool repeated activities several times can be normal work. If the leakage continues, the valve must be opened instead to check the reason. When the drilling rig after a well or after a certain period of time (the longest should not exceed 3 months), the entire gas control system should be a maintenance, a comprehensive inspection of the wearing parts, so that timely replacement after cleaning, to avoid the valve in an abnormal state of work.

2020

06-02

Classification of oil drilling

Oil drilling is divided into exploration wells and production wells according to the purpose of drilling. According to the well trajectory can be divided into vertical wells and directional wells. According to the environmental conditions of drilling operations, it is divided into onshore drilling and offshore drilling. According to the well depth, it can be divided into shallow well, medium-deep well, deep well, ultra-deep well, ultra-deep well and so on.

2020

06-01

Integrated Design and Application of Truck-mounted Drilling Rig

The truck-mounted drilling rig integrates the power system, drawworks, derrick, traveling system and transmission system into the self-propelled chassis, and relies on its own power to realize the lifting, lowering and recovery of the derrick, and uses the same set of power system to realize the chassis driving after the drilling is completed. By optimizing the design of the components of the truck-mounted drilling rig, the supporting equipment is integrated into the car platform, which greatly reduces the number of transport vehicles and the workload of installation and disassembly in the relocation process, greatly improves the relocation efficiency of the drilling rig, while reducing transportation costs and increasing the reliability of the drilling rig.

2020

05-29

Maintenance of Drilling Rig Pneumatic Control System_Oil Drilling Rig Manufacturer

The normal operation of the gas control system must ensure the supply of a certain amount and pressure of compressed air, otherwise there will be an accident of insufficient output due to wrong action. Therefore, there may be air leakage sound. After shutdown, engage all clutches, and the pipeline pressure drop shall be within the allowable range. For ZJ130-3 drilling rig, when the compressed air pressure is not lower than 9 atm, the pressure drop shall not exceed 1 atm for 30min.

2020

05-27

What is the difference between workover rig and truck-mounted drilling rig_workover rig manufacturer

Drilling rig is mainly used for drilling; workover rig is mainly used for oil, water, gas wells for a variety of maintenance operations. Of course, the function of the equipment is not very clear, because the drilling rig can also be used for workover operations, especially for deep wells and ultra-deep wells. Some workover rigs equipped with drill discs can also be used for drilling operations. Of course, due to the limited lifting load and power, only some relatively shallow wells can be drilled.

2020

05-26

How to safely use workover rig_workover rig manufacturer

The oil used in the workover rig must be accurate. Excessive oil use will increase the rotation resistance of the crank and connecting rod mechanism, and will also increase the oil used to splash on the cylinder wall. Excessive use of oil will lead to an increase in carbon deposits in the extinguishing chamber and a decrease in the power of the initiator, which will affect emissions. When the workover rig owner checks or increases the oil consumption, it should be increased according to the scale above the oil scale. The oil level cannot exceed the upper limit of the scale at the highest and cannot be lower than the lower line of the scale at the lowest. Generally, it is more suitable to increase the oil level to the upper middle of the two scales.

2020

05-25

Introduction to workover rig_workover rig manufacturer

Workover rig or drilling rig is the most basic and main power source in workover and downhole operation. According to its running structure, it is divided into two forms: track type and tire type.

2020

05-23

Mistakes to be avoided in chassis maintenance of workover rig

The oil used in the workover rig must be accurate. Excessive oil use will increase the rotation resistance of the crank and connecting rod mechanism, and will also increase the oil used to splash on the cylinder wall. Excessive use of oil will lead to an increase in carbon deposits in the extinguishing chamber and the power of the engine. This will reduce emissions. When checking or increasing the oil consumption, the workover rig owner shall increase the oil according to the scale on the oil scale. The oil level shall not exceed the upper limit of the scale at the highest and shall not be lower than the scale at the lowest. When the scale is off the line, it is more suitable to increase the oil level to the upper middle of the two scales.