2. Inventories of inactive wells, temporarily plugged wells and permanently plugged and abandoned …

(a)

dates for initial drilling and last operation;

(b)

orientation (vertical, horizontal and slant);

(c)

overall depth of the well;

(d)

whether any notable events have occurred during the drilling process, such as ‘kicks’;

(e)

whether the well has contacted gas containing significant amounts of sulphur compounds (sour gas), or trace amounts of sulphur compounds (sweet gas);

(f)

seismic data available for the well in the upper 1 000 m of its trajectory with a radius of 1 000 metres;

(g)

the most recent well integrity assessment report;

(h)

whether the well is an exploration or production well;

(i)

whether the well has contacted any shallow gas pockets, shallow gas zones or loss circulation zones;

(j)

whether the well is located onshore (indicate urban, rural or other) or offshore (indicate water depth);

(k)

in the case of offshore wells, information regarding any conditions at the seabed which could assist methane migration up through the water column;

(l)

information on the well’s lifecycle status (active, inactive, downhole plugged, surface decommissioned etc.);

(m)

whether the well cap associated with a decommissioned well is vented.