边井 meaning in English

borderline well
edge well

To solve some questions about oil production declining quickly , production and injection patterns are imperfect , the low degree of reserves control , and the injection water not enough in injection well , we have taken measures such as strengthen the geologic integrated research , drill extension well and adjustment well , strengthen water injection system , and optimize fracturing techniques , which has improved reservoir development effect
为了解决产量递减快、注采井网不完善、储量控制程度低、注水井欠注等问题，采取加强地质综合研究、钻扩边井和调整井、强化注水系统和优化压裂工艺等措施，有效地改善了油藏开发效果。