Research progress and development tendency of drilling cuttings re-injection technology

Study on re-injection technology of high volume produced water under formation fracturing condition;

Countermeasures of improving drilling technology economic indicator for deep wells in western Sichuan;

Application and development of horizontal well drilling technology in Jianghan Oilfield;

It discussed karst growth rule in Zhengzhou,destroy depth disturb mining,slip-casting and the problem of drilling technique.

The wirelinecore drilling technique can be utilized to achieve such technical and economical effect as top quality,high efficien-cy and low consurnption when geological exploration holes go more and more deep,coring becomes more andmore difficult and the drilling site is more and more remote.

The present situation of international drilling market and the development of solid mineral drilling techniques are sized up.