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Hailar’s First Seven Well Platforms Were Successfully Completed
Dec 11, 2018

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It is understood that the entire platform has a cumulative footage of 10,873 meters, an average construction period of 9.83 days, an average drilling period of 4.63 days, and an average mechanical penetration rate of 31.72 meters per hour. The well 08-31 is a vertical well with a built-in period of 8 days, a drilling cycle of 3.54 days, and a mechanical drilling rate of 53.31 m/h, which sets a new record for the construction of the Hailar block.


According to the relevant person in charge of the company, the construction of the platform well is mainly faced with small well spacing and difficulty in collision prevention; the well trajectory is not easy to control; the mudstone section is nearly 1000 meters long, and it is easy to make pulp, and there is a bit mud pack and well wall loss. Stable and difficult.


In order to ensure the smooth construction of the first seven well platforms, the Hailar project department and the drilling team grabbed the early and early preparations and prepared a set of effective construction methods for the construction of this block. effect.


Race against time to steal security. All work is ahead of schedule, and the process is closely connected. The pump room, machine room, mud, and drill floor must be prepared after the sound level of the upper well is measured, shortening the time for moving the house, and ensuring that the whole day is completed within 2 hours. And reach a standard.


After finishing the first well, carefully sum up the construction experience, carefully formulate the second well construction plan, and use only 1.89 days to finish the second opening 1407 meters.


Keep improving and quality. In order to ensure the quality of the wellbore, low-drilling and high-drilling drilling is carried out in the early stage of the second opening to better ensure the wellbore quality of the straight section and ensure that the vertical well section does not exceed the standard. At the same time, various orientation data are closely monitored in the orientation section to ensure a target rate of 100%. The wellbore anti-collision is more meticulously operated. In particular, the orientation of the Su-09-X29 well is basically the same as that of the previous well, and the construction is extremely difficult. The team applied wireless while drilling inclinometer, encrypted and measured the inclination, the team cadres stared at the post for 24 hours, always grasp the information of the whole well, and finally safely took the directional well.


In the end, the platform well was highly praised by the oilfield company and Party A for its high efficiency and high quality.


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