Journal of Hydrogeology & Hydrologic EngineeringISSN: 2325-9647

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Research Article, J Hydrogeol Hydrol Eng Vol: 5 Issue: 3

Using Anova Test to Define Factor That More Influence Drilling Productivity of Central Region in Cameroon

Anaba Onana AB1*, Ndam Ngoupayou J R1, Onana Onana RM2 and Mvondo Ondoa J1
1Department of Earth Sciences, University of Yaounde 1 P.O Box 812 Yaounde, Cameroon
2National Aids Control Committee, Ministry of Public Health P.O Box 1469 Yaounde, Cameroon
Corresponding author : Anaba Onana AB
Department of Earth Sciences,University of Yaound, 1 P.O Box 812 Yaounde, Cameroon
Received: August 04, 2016 Accepted: September 16, 2016 Published: September 23, 2016
Citation: Onana AAB, Ngoupayou NJR, Onana ORM, Ondoa MJ (2016) Using Anova Test to Define Factor That More Influence Drilling Productivity of Central Region in Cameroon. J Hydrogeol Hydrol Eng 5:3. doi:10.4172/2325-9647.1000142


The aim of this study is to examine the possible influence of five factors on productivity of 67 holes drilled on crystalline rocks in Central Region of Cameroon. Boreholes were grouped according to bed rock type, proximity to lineaments, total drilling depth, weathering depth and topographic setting. Results indicate that total drilling depth, proximity to lineament and topographic settings are the parameters that most influences productivity by decreasing orders of importance. They represent 11.65, 10 and 8.06% observed variation on the transmissivity respectively. Comparing these results with those obtained by other authors indicate that no quoted author has first obtained total drilling depth as first parameter influence the productivity as is the case in this study. This difference may be due to the fact that drillers stop digging once they get water into the drill. Also in this study, the number of wells tested is not uniformly distributed in the study area and which may influence the results.

Keywords: Drilling; Crystalline bedrock; Productivity; Transmissivity; Center;Cameroon

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