slim-hole drilling

Application of Non-Clay Drilling& Completion Fluid System in Slim-Hole Drilling

无粘土钻井完井液在小眼井径向钻进中的应用

Based on an investigation in the status of slim hole bit at home and abroad, a series of small-size(φ 92.08~ 158.75 mm) single cone bits with bottom water course are developed for slim-hole drilling.

根据国内、外小尺寸钻头的研究和使用状况，研制开发了9208～15875mm（3～6英寸）的小尺寸下水眼式单牙轮钻头系列产品。

Study and application of slim-hole sidetracking drilling auxiliary technology

小井眼开窗侧钻配套技术研究与应用

Slim-hole Directional Drilling Techniques in Shallow Oil Formations in Ansai Area

安塞区块浅油层小眼定向井钻井技术

Application of φ 104.8 mm Slim-Hole Horizontal Drilling Techniques In Qatar

φ104.8mm小井眼水平井钻井技术在卡塔尔的应用

Application of Under-balanced Drilling Technique in Exploration Well Slim-hole Drilling

探井小井眼钻井中欠平衡钻井技术的应用

The brief description is given of the positive ion polymer mud system. A preliminary study hasbeen conducted in slim-hole coal geologic drilling resulting in some perfect effects.

对阳离子聚合物泥浆系统作了简要介绍.并在小口径煤田地质钻探中作了初步应用研究，取得一定效果。

Through a comparison, the economic benefit in slim-hole drilling for coalbed gas has been analyzed.

通过与常规煤层气试验井对比, 分析了煤层气小井眼钻井的经济效益.

To economically and efficiently develop the gas field, wells were drilled using underbalanced drilling and slim-hole drilling technology.

根据高效低成本开发苏里格气田的要求，进行了欠平衡及小井眼钻井，为低成本开发苏里格气田做前期技术准备。

The research works on the structural characters, working mechanism and structure emulation of a drilling-workover dual-purpose top drive device which is driven by full-hydraulic way and can satisfy the operations in slim-hole drilling, directional drilling, side-tracking and well workover, etc.

文章介绍了一种能满足小井眼钻井、定向井、侧钻井及修井等作业的全液压驱动方式的钻修两用顶部驱动装置的结构特点、工作机理和结构仿真研究工作。

Slim-hole drilling technology directional branch hole design and control

定向分枝钻孔的设计和施工控制