Results 201 to 210 of about 12,080 (261)
Some of the next articles are maybe not open access.

Instrumented Drill Bit

Journal of Petroleum Technology, 1998
This article is a synopsis of paper SPE 39341, "An Instrumented Bit: A Necessary Step to the Intelligent BHA," by Mike Smith, SPE, Evan Lowe, SPE, and Craig Coull, Baker Oil Tools, originally presented at the 1998 IADC/SPE Drilling Conference, Dallas, 3-6 March.
openaire   +1 more source

Brace, Bits and Drills

1962
Boring holes is often necessary in woodwork. It is a comparatively simple operation to perform, and if care is taken and a few precautions are followed, you should have no difficulty. Holes must be located accurately; they must be bored at the correct angle, and the wood should not be allowed to split when the bit comes through the back of the stock ...
openaire   +1 more source

Drill bit wavefields

54th EAEG Meeting, 1992
The seismic body wave radiation pattern of a working rock bit can be characterized by theoretical modeling and field data examples. My model of drill-bit signal generation is a pseudo-random series of bit tooth impacts that create both axial forces and tangential torques about the borehole axis.
openaire   +1 more source

A drill bit with sphero-conical rolling-cutter drill bits

Construction of Oil and Gas Wells on Land and Sea, 2020
V.Yu. Bliznyukov, D.Yu. Serikov
openaire   +1 more source

Spinal Impalement with a Drill Bit

The Journal of Emergency Medicine, 2009
Tomer, Begaz, Faran, Bokhari
openaire   +2 more sources

Development models for the drill bit lifetime prediction and bit wear types

International Journal of Rock Mechanics and Minings Sciences, 2021
Mehmet CapĂ­k
exaly  

Surgical Drill Bit Design and Thermomechanical Damage in Bone Drilling: A Review

Annals of Biomedical Engineering, 2020
Akhbar Mohd Faizal Ali
exaly  

A novel self-centring drill bit design for low-trauma bone drilling

International Journal of Machine Tools and Manufacture, 2020
Naohiko Sugita, Liming Shu, Wei Bai
exaly  

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