1.   Anything scientifically rich that Erickson and his team find will keep petroleum interests from drilling wells at the site.

2.   In northern Africa, he said, American agricultural experts, by drilling wells, helped encourage nomadic livestock herders to settle in one place.

3.   It is drilling wells more than a mile deep in which to put equipment to measure earth movements, and it is monitoring faults under the ocean.

4.   Seismic equipment uses sound to map gas and oil fields and determine the most likely locations for drilling wells.

5.   Rural homeowners nearby balked at drilling new wells, an option that also raised environmental questions.

6.   The first stage of development involves building roads, an airfield, pipelines and other facilities as well as drilling wells.

7.   The point of drilling wells is to relieve pressure from gases.

8.   The resulting diamond blanks provide the cutting tool tips for drilling wells, for instance.

9.   The technology has become important as producers seek lower-cost alternatives to drilling new wells from the surface.

10.   They got good at drilling wells.