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Keywords: formation damage
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Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189409-MS
... Considering the permeability variation, length of perforation intervals, and well condition, an innovative diverter technology required to induce low permeable zone and remove formation damage. So, a special type of near well bore diverter used in Gas Field Development Group (GFDG) for SA-X...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189421-MS
... Abstract The effectiveness of completion fluids prior to the actual cost and risk of implementation is critical to evaluate. High salinity/ high pH brine can cause formation damage to sandstone formation following well completion operations. The magnitude of damage depended on the fluid/fluid...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189388-MS
..., air can be used safely in some cases to optimize operational efficiency and cost. underbalanced drilling concentration Upstream Oil & Gas formation damage downhole fire ubd campaign nitrogen operation annular pressure drilling drilling fluid foam system BHCP modeling flow rate...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 26–28, 2016
Paper Number: SPE-178156-MS
... Understanding and minimizing the formation damage is one of the major factors that must be considered in designing reservoir drilling fluid. There are no fluids today that can guarantee zero damage to the reservoir. Consequently, the quest is to design a fluid system capable of minimizing...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 26–28, 2016
Paper Number: SPE-178153-MS
... cheap and simple but formation damage and reduced rate of penetration (ROP) are some of its disadvantages. However, underbalanced drilling (UBD) minimizes formation damage and achieve high ROP, but it is expensive, complex and can't be applied in many cases. In this research a new technique that...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 26–28, 2016
Paper Number: SPE-178229-MS
.... On the other hand this high overbalance mud weight could lead to big possibility of differential sticking; it also affects the drilling performance & cause formation damage. When it comes to proper decision-making in drilling and delivering a healthy well, accurate formation pressure measurmtent...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 26–28, 2016
Paper Number: SPE-178209-MS
... during drilling. Filtercake provides a barrier between the wellbore and formation to minimize solids and fluids invasion into the formation, which in OH completions can cause formation damage as it cannot be bypassed by perforations ( Bailey et al. 1998 ). If not cleaned up properly, the filtercake can...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference & Exhibition, October 7–9, 2013
Paper Number: SPE-166694-MS
... Abstract Various sized bridging materials (SBMs) such as ultra-fine, fine, medium and coarse grade SBMs are frequently used in drill-in fluid formulations to improve drilling fluid properties, enhance mudcake quality and reduce near wellbore formation damage. The mechanical properties...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference & Exhibition, October 7–9, 2013
Paper Number: SPE-166778-MS
...-induced formation damage in low-permeability gas reservoirs as a result of water blockage and reduced relative permeability to gas can be significant in view of the high capillary pressure associated with small pore throats. Formation damage risk assessment of the drilling lubricants utilization was...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, October 24–26, 2011
Paper Number: SPE-147983-MS
... reduced formation damage, improved thermal stability, and lower drilling costs. The use of acid-soluble manganese tetra oxide allowed engineers to increase the density of potassium formate drilling fluids and extend the density window above that offered by calcium carbonate. The reduced particle size...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, October 24–26, 2011
Paper Number: SPE-148521-MS
... The intended goal for this underbalanced drilling project was to drill these horizontal wells to achieve the following objectives: Abstract Recently, underbalanced drilling (UBD) has been used with increasing frequency to minimize problems associated with invasive formation damage which...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, October 24–26, 2011
Paper Number: SPE-148523-MS
... Figure 2 Increases Recovery as a result of minimizing Formation Damage Reserves may be added, especially in gas fields, by reducing abandonment pressure. The contribution of UnderBalanced Drilling Technology to abandonment pressure reduction comes from either: ➢ Reducing skin...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, October 24–26, 2011
Paper Number: SPE-148543-MS
... 37th well drilled underbalanced in the Hassi Massoud field. In this well, the focus was on production improvement with minimum formation damage while the increased rate of penetration (ROP) was a secondary benefit. Another objective was the evaluation of production while the well is being drilled. This...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, October 24–26, 2011
Paper Number: SPE-148564-MS
... stability problems. These benefits are the reason Casing Drilling is frequently selected as the superior method for drilling challenging wells that conventional drilling methods could not easily handle. The aforementioned advantages are listed below: The most common source of formation damage is the...
Proceedings Papers

Paper presented at the Middle East Drilling Technology Conference & Exhibition, October 26–28, 2009
Paper Number: SPE-125281-MS
... fluids and materials Upstream Oil & Gas Exhibition Drilling Technology Conference iranian oilfield productivity index Implementation drill string spe iadc 125281 underbalanced drilling reservoir circulation Parsi oilfield formation damage ubd implementation southern iranian oilfield...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling and Technology Conference, October 22–24, 2007
Paper Number: SPE-107307-MS
... equivalent mud weight. Nitrified diesel, a two-phase drilling fluid, was used to drill the reservoir section of the B24 underbalanced to avoid circulation losses and formation damage. Real time LWD was crucial for geosteering the well path in a complex reservoir structure and real time annular pressure...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling and Technology Conference, October 22–24, 2007
Paper Number: SPE-107309-MS
...: Likelihood and severity of formation damage, The overall impact of damage on productivity and recovery, The ability to successfully treat this damage with conventional stimulation techniques and finally, The relative economics of underbalanced drilling vs. conventional drilling, completion and...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling and Technology Conference, October 22–24, 2007
Paper Number: SPE-107452-MS
... Abstract One of the major reasons of reservoir formation damage is fines migration during drilling operations. In this paper, three different water-based drilling fluids were used to test permeability reduction ratio with Turkish South Eastern sandstone and limestone core samples using a...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling and Technology Conference, October 22–24, 2007
Paper Number: SPE-108264-MS
... Abstract The formation damage of water injection wells reduces the ability of the injected fluids (water) to flow through the formations in order to maintain the reservoir pressure and sweep the oil to producer, therefore it is common use the acid to remove theses damages and enhance well...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, September 12–14, 2005
Paper Number: SPE-97025-MS
... technique was later used to drill the pay zone, with the aim of reducing formation damage[7–9] and increasing production and possibly hydrocarbon reserves. Even though UBD brings immense benefits in many situations, it has limitations and cannot be used in all phases of most wells. Alternative solutions...

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