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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-31956-MS
... hand, shales deposited in the Sakesar Formation during Early Eocene are over-pressured due to compaction disequilibrium. reservoir geomechanics mud weight sakesar formation upstream oil & gas compaction disequilibrium elastic parameter reservoir characterization pore pressure chorgali...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31698-MS
... an integrated approach to using geomechanical analyses for determining the mud-weight window, drilling bottomhole assembly (BHA), and optimizing mud chemicals. An anisotropic Mechanical Earth Model (MEM) was built using both horizontal and vertical elastic properties to estimate an accurate stress profile...
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-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-30593-MS
... measurements. Based on the estimation of stress parameters, stable mud weight windows and rock mechanical properties were estimated for a planned well. Reported over-gauged hole condition, caving, and stuck tool incidents are found at the depth intervals where the estimated breakout mud limit exceeds the mud...
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
...Abstract Abstract This paper presents a 3D numerical study on the mechanical behaviors of natural fracture under injection loading, and further proposes a practical workflow for designing a widened safe mud weight window (MWW) for drilling subsalt well sections with natural fractures...
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-24221-MS
... mud weight upper swan sandstone shale pore pressure development well well control equation upstream oil & gas overburden breakout gradient jamieson tensile failure fracture gradient reservoir characterization reactivation annular pressure drilling prediction well location...
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, April 30–May 3, 2012
Paper Number: OTC-23202-MS
... and geothermal industries. otc 23202 drilling riser configuration drilling project mantle mud weight technology conference drilling upstream oil & gas drilling operation water depth marine drilling riser return period crust iodp drilling riser upper mantle configuration riser...
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
...-off tests (LOTs). 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...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20854-MS
... areas of the Gulf of Mexico (GOM), particularly the northern GOM salt trend 1 and also in the Campos Basin of Brazil due to high temperatures and high differential stresses 2. It can generally be managed through the use of mud weights close to the overburden (90-100%) and the use of reaming to open up...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20177-MS
... mud weight selection well construction santos basin machine learning reservoir curve acceleration OTC 20177 Pre-Salt Santos Basin Well Construction Learning Curve Acceleration I. Alves, A. Aragão, B. Bastos, J. Falcão, and E. Fartes, Petrobras Copyright 2009, Offshore Technology Conference...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20220-MS
... may seem illogicalit has too often been the norm in many offshore environments as proven by the amount of money spent combating known and expected drilling trouble zones. drilling hazard liner drilling operation drilling trouble zone wellbore instability mud weight expandable liner...
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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