aquatic target

Experimental study of the spectrum at 11~20 nm of a laser-produced plasma source using water target;

水靶激光等离子体光源11～20nm波段光谱实验

Arc model and its analytical solution for target hitting analysis of directional wells;

定向井中靶分析的圆弧模型及其解析解

Based on the problems in directionally butted-wells,the author proposes measures to perfect target and improve the construction quality in the directionally butted and communicated brine wells.

文章针对定向对接连通井存在的问题,提出了提高定向对接连通采卤井完全中靶和施工质量的措施。

The authors investigate construction control of S-type directional branch hole and set up the mathematical models about inspecting,controlling and predicting it which contains inspection and control of deflecting hole section,hitting target prediction and following design.

作者研究了Ｓ型走向分枝孔的施工控制措施，建立了Ｓ型定向分枝孔的监控预测数学模型，包括造斜段监控、中靶预测、跟踪设计，同时还研究了长孔段中靶预测数学模型。