The North China Petroleum Administration Drilling Company II has greatly improved the drilling speed by strengthening technical management and innovation. As of mid-December, the company has drilled 40 wells in the Sulige market, drilling 40 ports, drilling 13 million meters, single-machine drilling monthly speed of 5,305 meters, and mechanical drilling rate of 16.35 meters per hour, an increase of 800. Meter and 2.67 meters.
Rapid drilling is the main way to achieve cost reduction and efficiency. To this end, the company's Sulige project department combined with the actual situation and construction difficulties, strengthen technical management and innovation, and formulated and implemented the "Plug-type well group technical management regulations" and other technical measures. In the use of drill bits, starting from the second round of this year, the PDC drill bit was fully promoted from the original roller cone drill bit, and the mechanical drilling speed was greatly improved. The average mechanical drilling speed was increased from 23.52 meters per hour last year to 40.12. The meter was shortened by 11 hours year-on-year, saving nearly half of the cycle. In the second opening, the blade drill bit with strong abrasiveness, high hardness of the composite piece and high density of the cloth teeth is selected. Under the condition of reasonable matching with the drilling pressure, the daily footage can reach 700 meters, which is more than 100 meters. After the upper 2000m footage, the mechanical drilling speed is always maintained at 27 meters per hour.
In the management of drilling fluid technology, North China Drilling Company II preferably selects a drilling fluid system suitable for the Ordos block of the Sulige gas field, which solves the problems of well leakage, wellbore instability and oil and gas layers.
Rapid drilling is the main way to achieve cost reduction and efficiency. To this end, the company's Sulige project department combined with the actual situation and construction difficulties, strengthen technical management and innovation, and formulated and implemented the "Plug-type well group technical management regulations" and other technical measures. In the use of drill bits, starting from the second round of this year, the PDC drill bit was fully promoted from the original roller cone drill bit, and the mechanical drilling speed was greatly improved. The average mechanical drilling speed was increased from 23.52 meters per hour last year to 40.12. The meter was shortened by 11 hours year-on-year, saving nearly half of the cycle. In the second opening, the blade drill bit with strong abrasiveness, high hardness of the composite piece and high density of the cloth teeth is selected. Under the condition of reasonable matching with the drilling pressure, the daily footage can reach 700 meters, which is more than 100 meters. After the upper 2000m footage, the mechanical drilling speed is always maintained at 27 meters per hour.
In the management of drilling fluid technology, North China Drilling Company II preferably selects a drilling fluid system suitable for the Ordos block of the Sulige gas field, which solves the problems of well leakage, wellbore instability and oil and gas layers.
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