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File:Mudlogging-gas-extraction-and-monitoring fig1.png Mud system. (From Whittaker, 1991.)(888 × 684 (19 KB)) - 22:32, 14 January 2014File:Oil-and-condensate-analysis fig4.png Gas chromatogram showing drilling mud contamination to a biodegraded oil.(931 × 837 (44 KB)) - 17:17, 14 January 2014File:Wellbore-trajectory fig6.png ...eerable bottom hole assembly, (b) Kicking off with a bent sub and straight mud motor.(890 × 974 (33 KB)) - 21:19, 14 January 2014File:Pressure-detection fig4.png ...ed shale, plotted against formation pressure gradient (FPG) and equivalent mud weight. (From Hottman and Johnson, 1965; by permission of SPE.)(926 × 899 (14 KB)) - 18:23, 14 January 2014File:M91FG178.JPG Mud-lined lateral accretion surfaces in the upper section of a point bar sandst(800 × 1,042 (186 KB)) - 21:26, 3 August 2015File:Thin-section-analysis fig2.png ...cimen or thin section. In Folk's scheme, the black pattern represents lime mud matrix, the lined pattern represents sparry calcite cement, and the white o(1,959 × 1,366 (182 KB)) - 21:07, 14 January 2014File:M91FG117.JPG ...west-oriented beach ridge macroforms are fairways for water ingress. Tidal mud flat deposits south of the field restrict water influx from this direction(800 × 689 (66 KB)) - 21:32, 12 August 2015File:Drill-stem-testing fig6.png ...rom these gauges. (A) Run in hole, gauge measuring hydrostatic pressure of mud column; (B) initial flow period; (C) initial buildup; (D) final flow period(724 × 556 (6 KB)) - 22:25, 14 January 2014File:M91Ch2FG4.JPG ...d of the drill pipe, rotates, cutting and crushing the rock underneath it. Mud passes out through the nozzles in the drill bit, cools the bit, and acts to(800 × 1,046 (200 KB)) - 16:45, 22 April 2015