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白音查干油田位于内蒙古中北部边沿,自1993年开始起至2011年已完成勘探开发井400余口,其中部分生产井油气产量获得重大突破,为该油田今后的开发奠定了基础。由于白音查干探区下部地层断层多、变化大,易造成钻进过程中钻头疲劳断裂失效事故,增加了施工队伍在该区域钻井施工的风险和成本,同时也给钻井施工单位造成了较大的经济损失和负面影响。根据该区域地层特点采取有效的打捞技术措施方案,及时解除钻井复杂情况,成功打捞出整体钻头落物,该技术措施为处理在该区域钻井复杂情况积累了经验。
Baiyinchagan Oilfield is located on the north-central border of Inner Mongolia. Since 1993, more than 400 exploration and development wells have been completed since 2011, and some oil and gas production breakthroughs have been made in some production wells, laying a foundation for the future development of the oilfield. As the lower part of the Baiyinchagan exploration area has many faults and changes, it is easy to cause the drill bit fatigue fracture failure during drilling, which increases the risk and cost of construction teams drilling in this area, Big economic loss and negative impact. According to the stratigraphic characteristics of the region, effective measures for salvage technology are taken to promptly remove the complicated drilling situation and successfully remove the whole bit of falling debris. The technical measures have accumulated experience in handling the complicated drilling situation in this area.