drill operation
31Operation Grenada — Part of Iraq War Date July 7, 2007 Location near Babel, Iraq Result The ringleader of a cell r …
32Operation Leyte Gulf — Part of Iraq War Date July 11, 2007 Location south of Mahmudiyah, Iraq Result …
33Operation Polar Tempest — Part of Iraq War Date July 14, 2007 Location the villages near al Owesat and al Thobat Result …
34Operation Eagle Ares — Part of Iraq War Date July 12, 2007 Location east of Lutifiyah, Iraq Result …
35Operation Urban Warrior — is a United States Marine Corps program created as an exercise meant to plan and test Military Operations on Urbanized Terrain and urban warfare in general. It was developed in the mid 1990s by the Marine Corps Warfighting Laboratory partly in… …
36Drill string — A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive or top drive) to the drill bit. The term is loosely applied as the assembled collection of… …
37Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
38Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …
39Drill bit shank — The shank is the part of a drill bit grasped by the chuck of a drill. The cutting edges of the drill bit are at one end, and the shank is at the other. Different styles of shank/chuck combination deliver different performance, such as allowing… …
40Drill Stem Test — A drill stem test (DST) is a procedure for isolating and testing the surrounding geological formation through the drill stem. The test is a measurement of pressure behavior at the drill stem and is a valuable way to obtain important sampling… …
