What should pay attention to in the rotary drilling rig operation control

There are six points to 'see' in rotary drilling rig operation and construction: see the geology, see the peers, see the hole opening, see the depth, see the drill pipe, and see the drill bit.

1. Look at the geology

2. Look at the peer

During the examination project, if the project has been started and there is a rotary drilling rig under construction, you can observe the construction situation, determine the technological and construction revenue, and decide whether to undertake the project.

By observing the object of its overall teamwork, management organization, construction technology, drilling tools, control and other details, to find out the optimization of space, so as to have a good idea.

If the observed object is excellent in all aspects, even beyond their own team, then set each other as a benchmark, follow the example of learning each other.

3. Look at the borehole

Look at the bailer: with the extension of the borehole depth, the mud pressure increases, but the length of the bailer is short, the location of the bailer is low mud pressure, so the location of the bailer is easy to collapse the hole. Before the collapse of the bailer in the bailer around the collapse of the hole even image, such as bubbling, seepage, etc., observe the condition around the bailer, predict the collapse of the bailer, take preventive or remedial measures in advance.

Look at the liquid surface: the use of mud retaining wall static pressure process, so that the mud surface always maintain a monitorable position, the mud surface is high that the mud pressure is high, conducive to construction, to prevent collapse of the hole. If abnormal phenomena such as slurry leakage occurs, it can also be found at the first time and timely measures can be taken.

4. Look at the depth

5. Look at the drill pipe

6. Look at the drill tools

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