The inspection drilling work to be done before drilling with roller bit is a work that needs to be carried out carefully. A little mistake may cause the efficiency of the whole construction to drop and the quality of the whole construction is not guaranteed, so there are a lot of preparatory work to be done before. , Don’t be too troublesome, many accidents are caused by careless little details. Today, I will introduce to you some things we need to check before entering the well. First of all, different geological requirements require different drill bits. It is necessary to check the model and diameter of the drill bit; for the electric drill
bit itself, check whether the welding and teeth of the electric drill bit are intact, as well as the firmness of the nozzle, the smoothness of the water eye, and the bearing. Special attention should be paid to the inspection of these aspects of tightness, because this is the previous preparation; also, when drilling down, the speed should be a little bit slower, so as to avoid damaging the alloy teeth when encountering hard formations, and sometimes it will be encountered When scoring, you need to write down some things at this time, including the depth of the well, the specific situation and time of the scoring, which will help to help repair; finally, the thread of our drill bit needs to be coated when it is clean. Oil, to ensure its smoothness. If the inspection work before entering the well is completed, the efficiency and quality of the entire construction will be very good, and the safety of personnel will also be guaranteed.
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