OR/17/037 Appendix 4 - Temperature gradient
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Hannis, S, and Gent, C. 2017. Petrophysical interpretation of selected wells near Liverpool for the UK Geoenergy Observatories project. British Geological Survey Internal Report, OR/17/037. |
A temperature gradient of 28°C/km was used (with a ground level temperature of 10°C) was used in the software processing. This is equivalent to the red dotted line shown in Figure 13, sourced from Busby et al., 2011[1].
Well | Depth, m | Temp, °C | Comments/source | |
InceMarshes1 | 1453 | 43.33 | FMI run | |
InceMarshes1 | 1453 | 43.33 | Comp log header, Pex run, individual field prints used to find time since circ | Maximum recorded temp |
InceMarshes1 | 1453 | 42.22 | p20 of geological End of Well Report (EOWR) | Maximum recorded temp |
InceMarshes1 | 1175.9 | 47.5 | p9 of geological EOWR | flow line |
Kemira1 | 1230.78 | 23.89 | Log header, Density_neutron_run_2.pdf | No temp data in run 3 logs to 4708 ft. TVD max 6 deg at 4037 ft, no survey data reported. Assumed ‘vertical’ |
Kemira1 | 559.61 | 17.78 | Log header, Density_neutron_run_1.pdf | |
Ince_cor | 1453 | 65.51 | Time since circ: 5.45 hrs. 3.30 11th dec to 9.16 11th dec | Simple method: https://www.zetaware.com/utilities/bht/timesince.html |
Ince_cor | 1453 | 53.86 | Time since circ: 27.5 hrs. 3.30 11dec to 7.00 12dec | |
Kem_cor | 1230.78 | 45.1 | Time since circ: 6 hrs 47 mins. 16.00 13 feb to 22:47 13 feb | |
Kem_cor | 559.61 | 39.4 | Time since circ: 6 hrs 13 mins. 19:30 28 jan to 1:43 on 29th Jan | |
BusbyMaps | 100 | 13 | 12–14 contour, Busby et al., 2011[1] | |
BusbyMaps | 200 | 17 | 16–18 contour, Busby et al., 2011[1] | |
BusbyMaps | 500 | 18.5 | 17–20 contour, Busby et al., 2011[1] | |
BusbyMaps | 1000 | 40 | 38–42 contour, Busby et al., 2011[1] | |
BusbyGrad | 0 | 10 | Reported gradient for UK (abstract, Busby et al., 2011[1]) | |
BusbyGrad | 1000 | 38 | Reported gradient for UK (abstract, Busby et al., 2011[1]) |