The invention facilitates implantation of a mask onto a semiconductor well, the source and drain regions of the MOS transistors in the said well, and the contact regions of the complementary well.

the action of a filter well lowers the level of th water-table

Methods of drilling a well bore in a subterranean formation comprising placing a self-degrading kickoff plug or the like in the well bore are provided.

Methods of using nanohybrid-containing fluids in a well are provided.

The water comes from a well, you will have plenty, but it's still a well, we recommend using the water wisely.

This arrangement provides a high torque down hole drive system.

At night, the hole looks like Dante’s Inferno: the fire burns in all its magnificence, giving the well the look of a volcanic burning crater.

At night, the hole looks like Dante's Inferno: the fire burns in all its magnificence, giving the well the look of a volcanic burning crater.

In one non-limiting embodiment, the emulsion system (e.g. single phase microemulsion, nanoemulsion, or other emulsions) may be formed in situ (downhole) rather than produced or prepared in advance and pumped downhole.

The Pit is an impressive sinkhole located in the deep jungle.

A method of servicing a wellbore comprising placing in the wellbore a cement composition comprising light-burned magnesium oxide, water and an alkaline metal chloride, and allowing the composition to set.

A process for fracturing a subterranean formation below an earthen surface in fluid communication with a wellbore.

The present invention provides methods and apparatus for cutting tubulars in a wellbore.

At least one of the treatment fluids A and B is introduced into the formation through the wellbore.

This will include the drilling of a borehole and the construction of water reservoirs and public fountains.