A BAFTA award nominated documentary explaining how well-logging equipment enables the petroleum engineer to obtain evidence of the potential of the oil reservoir.
| Directing | Michael Crosfield | Director |
| Sound | Hugh Strain | Sound |
| Camera | James Alloway | Camera Operator |
| Camera | Maurice Picot | Camera Operator |
| Production | Peter Griffiths | Producer |
| Crew | Michael Crosfield | Script |