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Keywords: pore pressure
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Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202119-MS
... sichuan basin information shale gas horizontal well drilling prediction drilling risk drilling fluid chemistry shale gas fluid loss control drilling fluid formulation pore pressure mud weight zoback natural gas industry ning-203 systematic approach sh max Abstract Horizontal well...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202165-MS
...) Mechanical Earth Model (MEM) is constructed on the offset wells which consist of rock strength properties and stress profile by incorporating all available data including open hole log data, geomechanical core lab results, LOT/FIT, direct pore pressure measurements and drilling events. Furthermore, 3D...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202195-MS
... encountered frequently including inflow, drilling induced tensile fractures (DITF), losses and connection gas etc. As such to mitigate the problems, a robust pore pressure prediction is necessary with requires an understanding of the origins and distribution of overpressures in the area. The technical...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202096-MS
... porosity anomaly, nor any obvious relationship between porosity and effective stress (O´Connor et al., 2010; Rudolph et al., 2015). In this study was used the lateral transfer method to predict the pore pressure. The concept of the centroid was described by Traugott (1997), and has also been referred...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202146-MS
... young unconsolidated sedimentary sequence in the sub-surface, expected pore-pressures can be high whereas the fracture gradient can be low. As a result, the safe drilling mud window can be narrow. Upon successful drilling of a well in such challenging environment without NPT (Non-Productive time...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202084-MS
... pressure i.e. in excess of 15,000 psi and a very narrow window between pore pressure and fracture pressure. This adverse condition was observed in the 9 offset wells drilled within this basin with problems related to wellbore instability, lost-circulation zones and over-pressured formations leading to kick...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202122-MS
... Pressure Drilling (MPD) Constant bottom hole pressure (CBHP) technique to drill a challenging HPHT gas well successfully through an exploration field. The case study field elaborates challenges of uncertain formation pressure, narrow pore pressure-fracture pressure window and high background gas readings...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189306-MS
..., porosity logs, resistivity logs, drilling records, and mud logs (master logs)), were used to estimate the in situ principal stress magnitude and its orientations, pore pressure, and rock mechanical properties. The 1-D-MEM was verified and calibrated using all the available data (i.e., drilling observations...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189334-MS
... system SBP pore pressure loss rate Upstream Oil & Gas back pressure ppg real time system circulation heavy weighted pill bte choke operation dynamic pore pressure test inch liner influx globe valve Abstract The BTE – 2 was planned as a land based deep vertical exploration...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189314-MS
... Figure 2 (a) High-pressure flow loop using a nitrogen-charged hydro-pneumatic piston accumulator for wellbore pressure and a piston accumulator for pore pressure supply; (b) heat bands on API RP 19B (2014) Section 4 pressure vessel. Upon detonation, the wellbore pressure oscillates as...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189384-MS
... a level that is less than or equal to the pore pressure of a gas-bearing zone. A path must be present in the annulus through which the gas can migrate. Preventing gas migration can be accomplished by ensuring that the two conditions never occur at the same time, which requires truly...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189403-MS
... monitoring the other annular pressures are important and have long desired automatic surveillance of the next annulus. wellbore integrity Upstream Oil & Gas drilling operation Artificial Intelligence communication application pore pressure shale operator integrity well integrity...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, October 24–26, 2011
Paper Number: SPE-146386-MS
... required conducting a geomechanical modeling and wellbore stability study. In this study, data from offset wells was analyzed to estimate the local in-situ stress magnitudes and orientations, in addition to pore pressure. The mechanical properties of the formations were evaluated using sonic, density, and...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, October 24–26, 2011
Paper Number: SPE-148049-MS
... upstream oil & gas geomechanical model shale wellbore integrity pore pressure mud weight recommendation wellbore instability problem mud system zubair instability zubair formation bedding plane wellbore instability drilling Out of the five deviated wells studied, two had to be...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling and Technology Conference, October 22–24, 2007
Paper Number: SPE-108241-MS
... well delivery through an optimized and integrated approach. Wellbore Design pore pressure drilling operation lateral real time system Upstream Oil & Gas borehole mud weight stability in-situ stress spe iadc 108241 horizontal stress bh analysis TVD wellbore integrity strength...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, October 20–22, 2003
Paper Number: SPE-85344-MS
... properties of the drilling fluid and formation pore fluid. These processes include mud pressure penetration, thermal diffusion, chemical potential mechanism and poroelasticity. These processes affect the formation pore pressure, stresses and deformation. The critical drilling fluid properties include mud...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference, November 8–10, 1999
Paper Number: SPE-57578-MS
... strength ram bop wt 1 annular pressure drilling hydrostatic pressure cement column cement displacement cement slurry operation pore pressure hydrostatic head slurry Copyright 1999, SPE/IADC Middle East Drilling Technology Conference This paper was prepared for presentation at the 1999 SPE...

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