Chapter 4
- Split spoon sampling: http://www.youtube.com/watch?v=jo64QIE4hr4
- Mud rotary drilling: http://www.youtube.com/watch?v=eJ6J1FHwhlU
- Jetting a hole, installing a shallow well point in sand: http://www.youtube.com/watch?v=tIhaPlEjTP8
- Air rotary drilling: https://www.youtube.com/watch?v=hPV3_PXvQnc
- Direct-push probe advancing casing through sand with percussion hammer: http://www.youtube.com/watch?v=9zhHAyFMWss
- Thin-walled tube (Shelby tube) sampling: http://www.youtube.com/watch?v=6HWi6iZKciU
- Hollow-stem auger drilling, then remove plug bit, then drive a split-spoon sample (standard penetration test, SPT): http://www.youtube.com/watch?v=Fml7LWA809U
- Animation of seismic refraction: http://www.youtube.com/watch?v=5_q5RuDCe1A
- Ranney horizontal collector well: http://www.youtube.com/watch?v=DNZ3RxWQm-U
- Video inside a wound stainless well screen: http://www.youtube.com/watch?v=W4-rMJkax7Y
- Video inside a stamped louvered steel well screen of a producing gas well. Shows gas seeping into well: http://www.youtube.com/watch?v=1PDw_VnJCm8
- Borehole video that spirals up or down the hole showing borehole walls. About 1 min in, it shows a fracture in the fine-grained sedimentary rock, and flow from the borehole into the fracture carrying fine sediment: http://www.youtube.com/watch?v=z9k-rAeFHi0
