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中文摘要：
这份报纸讨论低损坏的钻的液体的系统的设计和发展在 Ordos 盆保护 Sulige 块的低渗透的煤气的水库，内部蒙古自治区域，中国。基于地质的特征的调查和水库的二叠的形成的潜在的形成损坏， waterblocking 由于钻或结束液体的侵略被识别煤气的井 deliverability 的损坏的最严重的原因之一。由采用阶段陷井预防方法，理想的收拾行李理论，和形成电影的技术，低损坏的钻液体，包含阻止表面活化剂的有效 waterblocking 的钠甲酸盐盐水，优化暂时的衔接的代理人(TBA ) ，和形成电影的代理人被开发了。新钻液体的表演被使用许多技术评估。结果证明液体有好 rheological 性质，好强壮的胀大页岩的抑制，好暂时的插效果，极端低的过滤，和好润滑。它能高效地最小化 waterblocking 并且能被用来在 Sulige 煤气的地里与水库的最小的干预钻水平井。
英文摘要：
This paper discusses the systematic design and development of low-damage drilling fluid to protect the low-permeability gas reservoir of the Sulige block in the Ordos Basin, Inner Mongolia Autonomous Region, China. Based on investigation of the geological characteristics and the potential formation damage of the Permian formation of the reservoir, waterblocking due to invasion of drilling or completion fluids was identified one of the most severe causes of damage to gas well deliverability. By adopting the phase trap prevention method, ideal packing theory, and film-forming technology, a lowdamage drilling fluid, sodium formate brine containing efficient waterblocking preventing surfactants, optimized temporary bridging agents （TBAs）, and film-forming agents has been developed. The performance of the new drilling fluid was evaluated by using a variety of techniques. The results show that the fluid has good rheological properties, good strong shale-swelling inhibition, good temporary plugging effect, ultra-low filtration, and good lubricity. It can efficiently minimize waterblocking and can be used to drill horizontal wells with minimal intervention of the reservoir in the Sulige Gas Field.
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