The analysis and recording of the strata penetrated by the drill of an oil well as an aid to exploration.

Properly equipped with a complete set of whatever equipment is needed

Having close connections with people of wealth or social standing / Of an area, having good transport connections.

Reasonably financially secure.

Firmly constructed and held together

Having good intentions, even if producing unfortunate results.

(of an older person) healthy and ageing gracefully / (of an old, possibly ancient, object) in good condition considering its age.

Having a precise arrangement. / (mathematics, not comparable) Having a well-order.

simple past tense and past participle of well-order

Of a person: having extensive knowledge of a subject. / Of an argument, etc.: based on good judgment and solid reasoning.