Field Data

Field data

At the time of writing CoreMAX technology has been used on 5 bores in fractured formations at varying depths mounted to several different LF90 drill rigs.

Bore 1 – using 2 x 3-meter inner tubes + CoreMAX inner tube joiner – allowing for a maximum of 6.5 meters of core recovery

· NQ

· 283.1 meters of core recovered

· Ave depth 550 meters

· Ave R.O.P 2.4 Inches/ min (controlled drilling for directional reasons)

· 28% of all core runs were ≤ than 3 meters (Ave 1.71 meters)

· 72 % of core runs were ≥ 3 meters (Average 5.3 meters)

· 48 wireline trips eliminated

· Saved 57.3 hours

· 32% faster than 3-meter baseline

Bore 2 – using 2 x 3-meter inner tubes + CoreMAX inner tube joiner – allowing for a maximum of 6.5 meters of core recovery

· NQ

· 365.5 meters of core recovered

· Ave R.O.P 4.0 Inches/ min (controlled drilling for directional reasons)

· Average depth 500 meters

· 40% of all core runs were ≤ than 3 meters (Ave 1.76 meters)

· 60 % of core runs were ≥ 3 meters (Average 4.9 meters)

· 53 wireline trips eliminated

· Saved 46.6 hours

· 26% faster than 3-meter baseline

Bore 3 – using 2 x 3-meter inner tubes + CoreMAX inner tube joiner – allowing for a maximum of 6.5 meters of core recovery

· NQ

· 286 meters of core recovered

· Ave R.O.P Inches/ min (controlled drilling for directional reasons)

· Average depth 405 meters

· 28% of all core runs were ≤ than 3 meters (Ave 2.13 meters)

· 72 % of core runs were ≥ 3 meters (Average 5.1 meters)

· 53 wireline trips eliminated

· Saved 25.8 hours

· 30% faster than 3-meter baseline

Bore 4 – using 3 x 3-meter inner tubes + CoreMAX inner tube joiner – allowing for a maximum of 9.5 meters of core recovery

· NQ

· 33 meters of core recovered

· Average depth 547 meters

· Ave core run length 6.76 meters

· 9 wireline trips eliminated

· 41% faster than 3-meter baseline

Bore 5 – using 2 x 3-meter inner tubes + CoreMAX inner tube joiner – allowing for a maximum of 6.5 meters of core recovery

· NQ

· 435.2 meters of core recovered

· Ave R.O.P – 3.2 Inches/ min (controlled drilling for directional reasons)

· Average depth 610 meters

· 31% of all core runs were ≤ than 3 meters (Ave 1.71 meters)

· 68 % of core runs were ≥ 3 meters (Average 4.23 meters)

· 81wireline trips eliminated

· Saved 53.1 hours

· 25% faster than 3-meter baseline

Typical of the formations drilled

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Field data from our Mk1 prototype

Efficient Core Drilling

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