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Proceedings Papers

Understanding and Managing the Natural Self-Breaking Behaviour of Xanthan in Reservoir Drill-In, Completion and Workover Fluids

Zhao Anderson, Anna Ioannou, Siv Howard, John Downs
Paper presented at the SPE International Conference on Oilfield Chemistry, June 28–29, 2023
Paper Number: SPE-213822-MS
https://doi.org/10.2118/213822-MS
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View Paper titled, Understanding and Managing the Natural Self-Breaking Behaviour of Xanthan in Reservoir Drill-In, Completion and Workover Fluids
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Proceedings Papers

Evaluating Formation Damage Predictions Drawn from HPHT Core Flooding Tests on Brent Group Sandstone Reservoir Cores with Heavy Formate Drill-in Fluids: A Case Study from the Huldra Field

John Downs, Niall Fleming
Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189530-MS
https://doi.org/10.2118/189530-MS
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View Paper titled, Evaluating Formation Damage Predictions Drawn from HPHT Core Flooding Tests on Brent Group Sandstone Reservoir Cores with Heavy Formate Drill-in Fluids: A Case Study from the Huldra Field
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Proceedings Papers

Xanthan Stability in Formate Brines - Formulating Non-damaging Fluids for High Temperature Applications

Siv Howard, Lauren Kaminski, John Downs
Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174228-MS
https://doi.org/10.2118/174228-MS
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View Paper titled, Xanthan Stability in Formate Brines - Formulating Non-damaging Fluids for High Temperature Applications
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Proceedings Papers

The Long-Term Production Performance of Deep HPHT Gas Condensate Fields Developed Using Formate Brines

Gunnar Olsvik, Siv Howard, John Downs
Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165151-MS
https://doi.org/10.2118/165151-MS
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View Paper titled, The Long-Term Production Performance of Deep HPHT Gas Condensate Fields Developed Using Formate Brines
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Proceedings Papers

Life Without Barite: Ten Years of Drilling Deep HPHT Gas Wells With Cesium Formate Brine

John Downs
Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, October 24–26, 2011
Paper Number: SPE-145562-MS
https://doi.org/10.2118/145562-MS
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View Paper titled, Life Without Barite: Ten Years of Drilling Deep HPHT Gas Wells With Cesium Formate Brine
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Proceedings Papers

An Evaluation of Perforating Techniques and Use of Caesium Formate Kill Pills to Optimise Productivity in HPHT Gas Wells and Minimise HSE Risks

Alistair Malcolm Roy, Allan Jeffery Twynam, Jeff Parke, Angus Morrison, John Downs
Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19242-MS
https://doi.org/10.4043/19242-MS
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View Paper titled, An Evaluation of Perforating Techniques and Use of Caesium Formate Kill Pills to Optimise Productivity in HPHT Gas Wells and Minimise HSE Risks
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Proceedings Papers

Formate Brines: A Comprehensive Evaluation of Their Formation Damage Control Properties Under Realistic Reservoir Conditions

Michael Byrne, Ian Patey, Liz George, John Downs, Jim Turner
Paper presented at the International Symposium and Exhibition on Formation Damage Control, February 20–21, 2002
Paper Number: SPE-73766-MS
https://doi.org/10.2118/73766-MS
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View Paper titled, Formate Brines: A Comprehensive Evaluation of Their Formation Damage Control Properties Under Realistic Reservoir Conditions
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