Sentence examples for horizontal borehole from inspiring English sources

It will insert a microwave-transmitting antenna into a horizontal borehole with the circumference of an arm but the length of a football pitch.

Opening widths could be determined from the horizontal borehole scan.

An example of optimising horizontal borehole locations in the longwall lateral direction is also given in this paper.

Drainage performance between a vertical borehole and a horizontal borehole was first carried out to compare their capacity and effectiveness.

The test examines the effectiveness of an expansive clay seal in a horizontal borehole specifically drilled for this purpose.

Horizontal borehole TB 01 runs in a massive limestone layer with only little fissures and shows no karstification.

The six groundwater samples were taken from two horizontal boreholes drilled from drift KD-90.

This paper presents an alternative approach using horizontal boreholes for longwall goaf gas drainage.

The method functions similar to a cross-borehole array between horizontal boreholes, and suffers from limitations common to borehole arrays.

An artificial water curtain system is composed of a network of underground galleries and horizontal boreholes drilled from these galleries.

The drainage provided by cross-measure and large-diameter horizontal boreholes in the roof roadway is shown in Fig. 6.