Benzene, toluene, ethylbenzene, xylene (BTEX) compounds in debris samples which were at different depth and at the same well were determined by micellar electrokinetic capillary chromatography (MECC).
用胶束电动毛细管色谱法测定了同一井位、不同深度岩屑样品中的苯、甲苯、乙苯和二甲苯化合物。
The cutting bed remover,an effective and useful tool to dismantle cutting bed during deviated wells drilling,can break and clean cuttings hydraulically and mechanically.
岩屑床破坏器是一种有效的斜井岩屑床破坏工具,具有水力和机械双作用破坏、清除岩屑床的特点。