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Keywords: mud weight
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31698-MS
... losses. Provide a look-ahead mud-weight window to drill 8.5-in. section based on tectonic strains. Engineer the drill bit and BHA for abrasive and stressed rocks in the area. Abstract Deep wells drilled down to 4000 m to 4500 m true vertical depth (TVD) in the offshore Kutch-Saurashtra rift...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30593-MS
... sandstone exploration textural variation artificial intelligence permeability well logging upstream oil & gas mud weight Abstract Exploration wells in India are being drilled to target tight sandstone reservoirs of Mesozoic age with potential hydrocarbon accumulation in the Gulf of Kutch...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30481-MS
... was to reduce and/or eliminate losses. With the total depth being 4,151m, water depth of 3301m, surface mud weight 1.03 sg with down hole equivalent mud weight of 1.047sg due to compressibility and temperature. The main objective for using the MPD system during cementing was to ensure the EMW at both TD...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30815-MS
... benefit deep water operations. drilling surface back pressure control system annular pressure drilling continuous circulation technology influx operator well control application drilling process mud weight liner drilling operation salt section drilling window upstream oil & gas...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30900-MS
... tool mud weight reservoir exhibition schlumberger offshore technology conference mpd technique liner application underbalanced operation conference Gerard Parayno , Schlumberger ; Scott Peacock , Petro-Hunt ; Brandon Connolly , Schlumberger , "Revitalizing...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-26917-MS
... for designing a widened safe mud weight window (MWW) for drilling subsalt well sections with natural fractures. The original safe MWW value for subsalt well sections is usually narrow. More specific, for a subsalt well section with natural fractures, no safe MWW existed because of this unfavorable geological...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-26021-MS
... upstream oil & gas log analysis drilling parameter caliper metadata information operation deviation mud weight data mining correlation offshore technology conference data type OTC-26021-MS New Findings in Drilling and Wells using Big Data Analytics J. Johnston, CGG; A. Guichard, Teradata...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25949-MS
... wells on Bonga Main phase II presented borehole stability challenges that led to significant budget over-runs. To mitigate against this a process was put in place where well-specific borehole stability study was carried out to determine the optimum mud weight to use for drilling each hole section...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25723-MS
...), Pressurized Mud Cap Drilling (PMCD), Returns Flow Control (RFC-HSE), and Dual Gradient Drilling (DGD). CBHP for drilling in narrow, shifting or relatively unknown safe mud weight windows, PMCD for drilling in severe to total loss zones, RFC-HSE to augment safety systems and methods when drilling...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24075-MS
... within the shale suppresses the sensitivity of the shale velocity to pore pressure. well location upstream oil & gas fluid pressure mud weight vertical stress effective stress overburden inversion complex geologic environment fracture pressure prediction reservoir characterization...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24221-MS
.... Common features include potential loss zones in the shallow overburden, pressure ramp within the Jamieson, pressure regression below the Aptian, and near-hydrostatic pressure within the Upper Swan and below. The borehole stability models indicate that minimum required mud weight in deviated sections...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23202-MS
... the external pressure on a marine drilling riser is fixed (i.e. seawater) while the internal pressure is variable based on the mud weights needed to drill the rock column due to pore-pressure, fracture and wellbore stability requirements, the value of the effective tension will decrease as the mud weight...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2011
Paper Number: OTC-21682-MS
... after successfully drilling the eHPHT well " Mandarin East?? to TD. It is estimated that the MPD system saved 10 days of rig time/ US $ 7.5 million in addition to the improved HSE aspects of using this system. pore pressure mpd system offshore technology conference procedure mud weight...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20608-MS
... assembly directional drilling mud weight surface bop fracture gradient drilling fluid upstream oil & gas offshore technology conference conductor drilling operation sequence parque das conchas drilling reach well stability otc 20608 OTC 20608 Parque das Conchas (BC10) Delivery...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20939-MS
... shallow hazard drilling fluid selection and formulation gumbo attack mexico over-the-side deployment deployment annular pressure drilling drilling fluid chemistry hose offshore technology conference mud weight drilling fluid formulation drilling fluids and materials suction hose...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20854-MS
... investment drilling hazard reservoir characterization pressure prediction upstream oil & gas velocity model salt canopy salt body imaging acquisition low fracture pressure fracture pressure offshore technology conference mud weight otc 20854 prediction simulation drilling...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20177-MS
... can be expected. Even after the drilling phase, problems such as casing collapse can happen, days or even months after installation. High mud weights can solve some of these problems; however, the well designer has to be careful on other natural limitations associated to salt sections, as low leak-off...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20220-MS
... executing drilling operations. The advent of real-time technologies facilitates the ability to make the correct decision and apply best practices to any operation (Drilling Hazard Management WFT 2008). Table 2 depicts a summary of ECD applications and interpretations. Indicators for Mud Weight (ECD) Too...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19307-MS
...-shape bitumen, the potential to successfully drill through is high and manipulating mud weight may help. However for vertical column bitumen, overburden stress becomes dominant, increasing mud weight may not be efficient, and challenges are more significant. Those findings are consistent...

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