2008
7th International Conference & Exposition on Petroleum Geophysics
Negotiating Area Having Drilling Difficulty due to Gravel Boulder Beds in Near Surface-An Example from Cambay Basin
Published in GEOHORIZONS - 2008
- Vol.
- ISSN NO :
- DOI Link
Ramkumar*, R. K. Srivastava, I. M. Mehra, V. Subramanyam, D. K. Sinha, B. K. Pradhan
Abstract
Presence of gravel boulder bed in near surface poses problem in manual rotary drilling of shot holes. The desired depth of shot holes are not achieved resulting in suboptimum depth. This causes recording of strong ground roll, with regular charge size. An example of this type from Narmada