✦ LIBER ✦

New method for borehole drilling

✍ Scribed by B. V. Sudnishnikov; A. D. Kostylev; K. S. Gurkov; K. K. Tupitsyn; L. M. Lipovetskii

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Methods of rotary borehole drilling

✍ O. D. Alimov; L. T. Dvornikov 📂 Article 📅 1965 🏛 Springer 🌐 English ⚖ 312 KB

Promising Pneumatic Punchers for Borehol

✍ A. A. Lipin 📂 Article 📅 2005 🏛 Springer 🌐 English ⚖ 110 KB

A pneumopercussive drill for enlarging b

✍ N. A. Belyaev; N. N. Esin; A. A. Zinov'ev; G. I. Suksov 📂 Article 📅 1973 🏛 Springer 🌐 English ⚖ 112 KB

Calculating optimum drilling conditions

✍ R. M. Éigeles; R. V. Strekalova; E. I. Korol'ko 📂 Article 📅 1970 🏛 Springer 🌐 English ⚖ 320 KB

Calculating optimum drilling conditions

✍ R. M. Éigeles; R. V. Strekalova 📂 Article 📅 1968 🏛 Springer 🌐 English ⚖ 420 KB

A new method of drilling long boreholes

✍ Yiyu Lu; Yong Liu; Xiaohong Li; Yong Kang 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 914 KB