Sidetrack inside casing is a very effective way to exploit the residual oil and gas with low cost.

套管内侧钻是低成本开发剩余油气的有效途径。

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Positive displacement motor is widely used in sidetrack drilling inside casing because of its excellent dynamic characteristic.

由于螺杆钻具本身具有良好的动力特性，在套管内侧钻中得到广泛应用。

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But in case it has to evacuate the area around the damaged well, which lies some 50 miles off the Louisiana coast, BP also placed a special plug inside the well's casing.

但是为了预防，必须从离路易斯安那海岸大约50英里的毁坏的油井附近区域撤离，BP也在油井盒里放置了一个特殊的塞子。

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To do that, MMR will use similar guns to those that failed to work inside the casing several months ago.

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Whereas tablet PCs are full-blown PCs that contain all their components inside the casing of a notebook-sized flat-screen display, smart displays are light, portable display screens that connect wirelessly to a PC, so a user can interact with the PC away from the desk for reading documents or surfing the Web.

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Inside that orange casing you'll find the mechanics to get 1080p video at 60fps plus WiFi and NFC.

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