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Keywords: formation damage
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Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, October 29–30, 2020
Paper Number: SPE-200515-MS
..., severe fluid losses, high mud costs, formation damage, and post-well production issues. Clear fluid brine systems such as Calcium Chloride (CaCl 2 ) and Calcium Bromide (CaBr 2 ) are usually preferred because of their compatibility with coals and their ability to minimize formation damage. However...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, February 24–25, 2010
Paper Number: SPE-130563-MS
...: Influx No Influx Acceptable Periodic Acceptable Yes, Continuous What are the goals /expectations of utilization of MPD? Cure Losses – Partial Losses – Severe Losses – Total Losses Reduction in reduced formation damage due to degree of overbalance Avoid...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, February 24–25, 2010
Paper Number: SPE-130562-MS
... or minimizing lost circulation where no drilling time would be lost due to cure losses, also to reduce the formation damage. The C-349 H well was the first UBD horizontal well drilled by AGOCO. The paper discusses the objectives, planning, and the performance of horizontal UBD well as the first well drilled...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling and Underbalanced Operations Conference & Exhibition, February 12–13, 2009
Paper Number: SPE-122275-MS
... model. Fine grids are used to capture dynamic effects of pressure and saturation in the near-wellbore region. To model the formation damage in the near wellbore region, an integrated approach is introduced that combines dynamic reservoir simulation and local formation damage based on dynamic core flood...
Proceedings Papers

Paper presented at the IADC/SPE Managed Pressure Drilling and Underbalanced Operations Conference & Exhibition, February 12–13, 2009
Paper Number: SPE-122268-MS
... UBD is expected to prevent formation damage and improve well productivity, in some low permeability cases with high capillary pressure counter-current imbibition occurs and reduces well productivity specially for open hole completed horizontal wells. In this paper a new approach to model possible...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, January 28–29, 2008
Paper Number: SPE-114052-MS
... underbalanced drilling Upstream Oil & Gas fidaa field drilling fluid Libya Directional Drilling circulation formation damage productivity conventional drilling problem enhance recovery calender time sabah field production rate recovery horizontal well reservoir zueitina oil company...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, January 28–29, 2008
Paper Number: SPE-114051-MS
... in wells, which are faced with near-wellbore damage. Minimizing formation damage in the near- wellbore region and thus ensuring proper well performance for enhanced productivity of the well also results in increased recovery factor. Formation damage caused by conventional overbalanced drilling (OBD) can...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, January 28–29, 2008
Paper Number: SPE-113688-MS
... Abstract Underbalanced (UBD) operations are being utilized with increasing frequency as a means of reducing invasive formation damage, minimizing problems with differential sticking, lost circulation, and increasing rates of penetration in many drilling operations. Additional to the operational...
Proceedings Papers

Paper presented at the IADC/SPE Underbalanced Technology Conference and Exhibition, March 25–26, 2003
Paper Number: SPE-81621-MS
..., and permanent formation damage) and their impact on production under a variety of reservoir conditions. Production rates are predicted for both UBD and OBD cases. Then, an incremental net present value (NPV) model has been used to analyze the economic benefits of UBD operations (if any) for all study cases...
Proceedings Papers

Paper presented at the IADC/SPE Underbalanced Technology Conference and Exhibition, March 25–26, 2003
Paper Number: SPE-81622-MS
... of getting stuck. Failure to get casing to bottom would result in a poor performing well as the highly damaged rock left open hole would be unproductive. Formation damage from the expected loss of 50,000 barrels of drilling fluid would require a fracture stimulation to regain productivity. To prevent...
Proceedings Papers

Paper presented at the IADC/SPE Underbalanced Technology Conference and Exhibition, March 25–26, 2003
Paper Number: SPE-81639-MS
... in porous media formation damage production control equation iadc spe 81639 viscosity correlation productivity prob inflow equation Introduction In recent times, however, with increasing evidence of the productivity improvement benefit of UBD, several operators are beginning to consider...
Proceedings Papers

Paper presented at the IADC/SPE Underbalanced Technology Conference and Exhibition, March 25–26, 2003
Paper Number: SPE-81630-MS
... benefits which can be categorized into two main sections, reservoir and operational. These include but are not limited to, Reservoir Minimizing formation damage Increased production rates (including maximizing flush production) Early evaluation of reservoir properties Operational...
Proceedings Papers

Paper presented at the IADC/SPE Underbalanced Technology Conference and Exhibition, March 25–26, 2003
Paper Number: SPE-81625-MS
.... If calibration has already been made and predictions agree with actual measurements there is more confidence in the model and the prediction that the system is underbalanced. Otherwise underbalanced conditions may not be guaranteed, and formation damage could occur. Field data from oil and gas wells are used...
Proceedings Papers

Paper presented at the IADC/SPE Underbalanced Technology Conference and Exhibition, March 25–26, 2003
Paper Number: SPE-81647-MS
... required to get beyond the formation damage caused by the invasion of the drilling fluid or cement invasion during completions. Stimulations are required to get beyond the formation damage by creating a permeable area between the wellbore and the undamaged reservoir. Stimulations are also used to create...
Proceedings Papers

Paper presented at the IADC/SPE Underbalanced Technology Conference and Exhibition, March 25–26, 2003
Paper Number: SPE-81644-MS
... safety, minimum rock formation damage, and wellbore stability. The expert uses a set of known facts and heuristics to measure the reservoir susceptibility for damage caused by clay swelling, fines migration, lost circulation and wellbore collapse. A knowledge base development tool (Resolver...

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