... the system into a full-scale batch mixer for automated fluid characterization or continuous ("on-the-fly") mixing of cement paste. casing and cementing flow metering drilling fluid selection and formulation drilling fluids and materials reservoir surveillance production monitoring drilling fluid...

... as such, or must be repaired or replaced. To support quantitative evaluation of the cement annulus, we have designed a laboratory-scale experimental setup, where we evaluate casing-cement debonding by acoustic logging, X-ray imaging and flow experiments. The main novelty of this experimental setup...

... the qualification process of bismuth alloys as an alternative sealing material in P&A operations. geologist well decommissioning geology cement chemistry casing and cementing alloy cement formulation bismuth plug norway bismuth alloy pipe bismuth expansion defect sealing proceedings cement...

... exiting intermediate casing to cement and formation (2) m 2 c 2 d T 2 d t =   U c s g 1 π d 2 ( T 1 - T 2 ) -     U c s g 2 _ e i π d e ( T 2 - T e i ) Where U csg2-ei...

.... mwd well control casing design drilling operation drilling measurement modeling & simulation measurement while drilling knowledge management wellbore integrity casing and cementing annular pressure drilling north sea drilling fluids and materials wellbore design upstream oil...

... casing cement property cement formulation risk management operational safety drilling operation cement chemistry risk identification seal integrity risk and uncertainty assessment casing and cementing job planning drilling fluid management & disposal drilling fluids and materials...

... formulation particle plug barite plug differential pressure well decommissioning wellbore design circulation pipe well barrier element petroleum engineer wellbore integrity drilling fluids and materials casing and cementing test setup sealability barite hydrostatic pressure Introduction...

... was used to characterize the shear bond strength between the casing-cement interfaces. The volume shrinkage behavior was studied for both materials. The volume shrinkage of the Neat G cement was found to occur very quickly during and after the hydration reaction resulting in a total shrinkage of 2.4...

.... cement formulation drilling fluids and materials casing and cementing cement property drilling fluid property drilling fluid formulation drilling fluid chemistry drilling fluid management & disposal cement chemistry resin cement barrier material pozzolanic material proc application...

... further leakage. In either case cement placement is of crucial importance, to avoid creation of potential leakage pathways in the first place. Additional factor for safer CO 2 storage would be the ability of the cement sheath to mitigate the leakage, and this is motivation for development of cement R...

... increased the average well life at Valhall from 7 to more than 24 years around 20 years after the changes to the well design had been implemented. production control reservoir characterization reservoir geomechanics production monitoring wellbore integrity drilling operation casing and cementing...

... and formulation cement property drilling fluids and materials cement formulation complex reservoir fluid loss control casing and cementing cement chemistry drilling fluid formulation cement drilling fluid chemistry drilling fluid property drilling operation upstream oil & gas short-term...

... the integrity of the lower Hordaland formation as a permanent barrier for plugging & abandonment. casing and cementing upstream oil & gas test tool trip system help well decommissioning lower hordaland formation hordaland shale shale assembly integrity test integrity completion...

... wave washing over the industry is about making optimal use of data, which is essential to make good decision in well integrity as much as any other area in the oil and gas industry. Upstream Oil & Gas information casing and cementing formula well integrity brechan prediction tolerance...

... Oil & Gas experiment mudfilm casing and cementing zonal isolation Catastrophically vrÃ¥lstad Pressure Cycling skorpa Visualization vrålstad Introduction Additionally, presence of unremoved drilling fluid and filter cake at the rock surface lead to poor cement-rock bonding ( Ladva...

... to pumping this fluid train, proving the effectiveness of the solution. drilling fluid management & disposal casing and cementing lcm solution cement cement formulation cement chemistry circulation silicate cement property drilling fluids and materials Upstream Oil & Gas strength...

... CBL measurement. Because the acoustic impedance contrast between fluid and steel is large, these two extra interfaces highly attenuate the acoustic energy when it goes through the tubing back and forth to reach the casing and cement boundary. It can be explained by referring to the equations shown...

... operational risk. casing and cementing liner liner rotation objective rotation circulation DART Upstream Oil & Gas sidetrack expansion tool expansion annular pressure drilling operation procedure mechanical expansion well control assembly expandable liner provider installation...

... was detected ahead of the bit, and this enabled a safe extension of the 12 ¼-in section into the Viking Group as per the objective. well control drilling operation Upstream Oil & Gas Reservoir Characterization casing design casing and cementing overburden section log analysis annular pressure...

..., a) leakage through the well only and b) leakage through the well and the surrounding formation. operational safety casing and cementing fluid modeling equation of state surface barrier failure mode input parameter well decommissioning Upstream Oil & Gas total leakage rate pathway barite...