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Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-156249-MS
... helped the drilling team to make prompt decision on the mud program. The mud weight was reduced from 9.6 lb/gal to 9.2 lb/gal, which avoided fracturing the formation and reduced the operational cost. drilling operation information formation pressure testing iadc spe 156249 exhibition downhole...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, November 13–15, 2006
Paper Number: SPE-103816-MS
... of petroleum engineers differential tangential stress differential pressure gal reduction permeability sand internal cake differential sticking borehole wall mud loss drilling fluid formulation drilling fluid property iadc spe 103816 structural geology drilling fluid selection and formulation...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology, September 11–13, 2000
Paper Number: SPE-62802-MS
... As the mud density approached 156-pcf (20.86 lb/gal), which is the maximum achievable density utilizing barite, the total solids content reached 48% by volume. The high solids content caused excessive thickening of the mud and required treatment with chemical thinners in order to remain pumpable...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology, September 7–9, 1998
Paper Number: SPE-47784-MS
... is that sag can occur with all fluids: oil-based, synthetic-based, and water-based. Drilling Fluid Density Field experience has shown that barite sag can occur over a relatively wide density range (12 – 20 Ibm/gal, 1.44 – 2.40 sg). Rheology Increasing low-shear viscosity (Fann 6 and 3-rpm...

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