Sentence examples for highly difficult drilling from inspiring English sources

For these reasons, operators prefer using OBDFs for highly difficult drilling (Yan 2001).

He suggested it would be "highly difficult, as difficult or more difficult than the original production".

Until 2001, homosexuality was considered a mental disorder in China and remains a highly difficult subject.

Q: Could you quantify how difficult drilling a relief well is?

"Expensive and technically difficult" drilling could have detected that high pressure, Meiburg said.

You will find it is extremely difficult to drill a hole in a cooked bead, otherwise.

That is to withhold the permits Shell Oil needs to proceed with a highly controversial drilling project in the Arctic Ocean.

It has also appeared as a highly desirable drilling mud additive that helps in minimizing associated well instabilities.

Borehole drilling into this range is extremely difficult because the drill stem jams frequently, or boreholes collapse.

If the LSRV drops dramatically, it is highly recommended that drilling should be suspended until the rheological properties of drilling fluids are recovered.

A hole of 2 mm diameter is difficult to drill using conventional drill.