-
-
-
-
Honor
-
-
-
-
-
Contact
-
Rig operation: operation skill mainly lies in pressurization
Release time:
2018-09-05
Author:
Source:
From the outside, the rotary drilling rig gives the feeling of being very tall, and it feels like the handle after entering the cab. There are many buttons, which generally gives people a complicated feeling. However, the fact is also true. From the positioning of the machine to the auxiliary working condition, and then to the drilling under the main working condition, there are indeed many actions required. However, in order to open the rotary drilling rig well, pressure is the most important among the many operating actions! The pressurization we mentioned here is not blindly downward pressurization through the handle, but to control the pressurization intensity and pressurization time for different rock and soil bottom layers. The routine is as follows: lifting suspension point floating long floating point pressurization short stroke pressurization long stroke
From the outside, the rotary drilling rig gives the feeling of being very tall, and it feels like the handle after entering the cab. There are many buttons, which generally gives people a complicated feeling. However, the fact is also true. From the positioning of the machine to the auxiliary working condition, and then to the drilling under the main working condition, there are indeed many actions required. However, in order to open the rotary drilling rig well, pressure is the most important among the many operating actions!
The pressure we are talking about here is not just pressing down through the handle,
But for different rock and soil bottom layer, control the pressure and pressure time, the routine is as follows:
Pressing Suspension Point Floating Long Floating Point Pressurizing Short Stroke Pressurizing Long Stroke Pressurizing Back Pressure
1. How to improve efficiency
Although the rotary drilling rig has many movements, its ultimate function is to drill. How to drill fast and well, pressure control is of course important, so it should be based on geology. Load. Vibration, constantly adjust the pressure mode. Some people began to question what there is to pressurize, not just push the handle down to pressurize. This is a kind of mistake. Pressurization is not only pressurization, sometimes only floating is not required, and sometimes back pressure is required. In short, only flexible use of pressurization can give full play to the performance of the drilling rig and realize high-efficiency output.
2. Protective equipment
Through the continuous change of the load of the drill bit cutting the bottom layer, the pressure method and force can be adjusted flexibly, which can not only protect the components, but also realize the rapid footage. Otherwise, if the drill bit is only pressurized, not only the load of the drill bit will rise, but also the drill pipe and drilling tool will be easily damaged.
3. Eliminate hidden dangers
Partial holes: Everyone knows that partial holes can cause a series of problems such as: with rods. Card cage. cast pipe and so on... in some geological, if pressurized too fast will lead to partial hole.
Unlocking: The unlocking of the machine lock drill pipe requires resistance to fix the drill bucket. Torque resistance is mainly generated by pressurization. Therefore, pressurization becomes the key to unlocking (not pressurization is required when unlocking). The pressurization force and time are controlled to prepare for unlocking, which can effectively prevent the belt rod from being unlocked.
4. Prevent rod smashing
Using friction drill pipe and segmented machine-locked drill pipe (not machine-locked state), especially when the geology is hard or the footage is not skidding, almost all machine drivers will choose long stroke to continuously pressurize. At this time, the drilling bucket footage is not proportional to the pressurizing stroke, so the internal drill pipe is jacked up. When the pressurization stops or reverses, the jacked up drill pipe falls down, damaging the drill pipe or pressurizing oil cylinder.
Summary:
The rotary drilling rig is pressurized. Torque to achieve drilling, pressure and torque are indispensable, but first is the torque load generated by pressure cutting, so the pressure is the largest in all main working conditions of rotary drilling, so only control the pressure force and pressure time, in order to play the best performance of the drilling rig.
Key words:
