Trapped Annular Pressure

More documents

Recommendations

Info

Off–Shore Procedure • Shipped to rig in closed-top, vented tanks • Tank(s) spotted on rig (watch wt. limits) • Mixed with initiator solution just before going down hole (initiator is a 5-7% feed) • Pumped down hole using cement unit, or similar • Should not mix with mud system, but 15% contamination in SBM only moderately reduces LC50
Safety Issues • Detailed risk analysis/mitigation process • Pure MMA has a low flash point - 55 º F, similar to methanol - only handled in mud plant • The emulsified spacer has an open cup flash point of 175 º F • Fumes can accumulate in tank head space and become a risk (grounding) • Plan to use the pumping unit to flush water back through lines and pump skid to original tank
Page 1 and 2: Trapped Annular Pressure: A Spacer
Page 3 and 4: From SPE 89775 - Pattillo, et al
Page 5 and 6: A New Approach • Cooperative rese
Page 7 and 8: TAPSS Preparation Overview MMA Mono
Page 9 and 10: 4500 Test Results Trapped Annular P
Page 11: Compatibility with Drilling Operati
Page 15 and 16: Detailed Operations & Safety Plans
Page 17 and 18: Spacer Mixing Skid • Meter in MMA
Page 19 and 20: Initiator Addition Skid (rig) • M
Page 21 and 22: Wellhead Pressure vs. Time 1200 100
Page 23 and 24: Clean-Up Flushing Effective
Page 25 and 26: Preparing for a Deepwater Trial CVX
Page 27 and 28: Planning a TAPSS Application: Is TA
Page 29 and 30: Planning a TAPSS Application: Deter
Page 31 and 32: Planning a TAPSS Application: What
Page 33: Happiness is No Annular Pressure Qu

Trapped Annular Pressure

Create successful ePaper yourself

Delete template?

Save as template?