Results 261 to 270 of about 178,865 (298)

An interpretable deep learning framework using FCT-SMOTE and BO-TabNet algorithms for reservoir water sensitivity damage prediction. [PDF]

Sci Rep
He YB, Sheng KM, Du ML, Jiang GC, Dong TF, Guo L, Xu BT.   +6 more
europepmc   +1 more source

Calibration of soil contact parameters for planting sand shrubs in the desert regions of Inner Mongolia. [PDF]

Sci Rep
Nannan Z, Chenghui P, Yantang Z, Shaoyu C, Lingzhi L, Zhigang L.   +5 more
europepmc   +1 more source

Impact of drill bit wear on temperature increase in dental implant osteotomy: an in vitro study. [PDF]

PLoS One
Sorgato M, Bottin A, Stocchero M, Toia M, Savio E.   +4 more
europepmc   +1 more source

The Microwave-Drill [PDF]

IEEE Conference Record - Abstracts. 2002 IEEE International Conference on Plasma Science (Cat. No.02CH37340), 2002
We present a drilling method that is based on the phenomenon of local hot spot generation by near-field microwave radiation. The microwave drill is implemented by a coaxial near-field radiator fed by a conventional microwave source. The near-field radiator induces the microwave energy into a small volume in the drilled material under its surface, and a
U. Grosglick, O. Aktushev, Eli Jerby, V. Dikhtyar   +3 more
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Gas Diagnostics: To Drill or Not to Drill?

Canadian International Petroleum Conference, 2004
Abstract A very important but often difficult question to answer when dealing with gas reservoirs is: to drill or not to drill? Why are some gas pools only drilled at 2 wells/section and some drilled up to 16 wells/section? How do you decide whether downspacing will be beneficial? An accurate assessment of important
S. Chugh, C.J. McBurney, R. Baker
openaire   +2 more sources

To Drill or Not to Drill?

Dental Update, 2006
Performance of four dentine excavation methods in deciduous teeth. P Celiberti, P Francescut, A Lussi. Caries Research 2006; 40:117-123.
openaire   +2 more sources

Reducing Drilling Costs by Drilling Faster

Proceedings of SPE Annual Technical Conference and Exhibition, 1997
Abstract A new synthetic-based Penetration Rate Enhancer designed as an environmentally acceptable alternative to terpenes is shown to be an effective treatment for increasing penetration rates by preventing or minimizing bit balling while drilling active shales prone to forming "gumbo".
Ron Bland, G.A. Tibbitts, Thomas A. Jones   +2 more
openaire   +2 more sources

Drilling Holes with the Bow-Drill

Technology and Culture, 1970
miliar to most carpenters and joiners in Britain, which appears to corroborate the authors' analysis of the action of the ancient Egyptian stone-boring tool. Fitted preferably with a rosehead countersink bit, it is also used one-handed for countersinking. The rotation is started by tilting the brace, thus making use of the gravity couple similar to the
openaire   +2 more sources

A Drilling Contractor's View of Underbalanced Drilling

Proceedings of IADC/SPE Drilling Conference, 2002
Abstract This paper is not a technical discussion of under balanced drilling (UBD). Nor is it a filled with "tricks of the trade" advocating a better technical means of drilling wells using UBD. It is a discussion about the best method, from one drilling contractor's view, to execute a safe and productive UBD project.
P.B. Thompson, R.D. Murphy
openaire   +2 more sources

Victims of the drill [PDF]

British Dental Journal, 1997
It is now widely recognised that dentistry based mainly on the restoration of teeth has failed to deliver dental health to our patients. There is an urgent need for GDPs to face up to the full implications of this failure and implement a truly preventive practice philosophy. We must also recognise the particular plight of our patients with very heavily
openaire   +2 more sources