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Keywords: breakthrough
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206278-MS
... where the inlet saturation is constant, the saturation at the inlet in these experiments is found to be increasing with time. An edge effect can also be seen at the outlet of the core, where saturations are slightly greater than would be expected from the trend. Breakthrough occurred when the shock...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206116-MS
... of the field). Inter-Well Gas Tracer Injection An inter-well gas tracer project was carried out during June and July 2012. Gas injection tracers were carried out in 12 injector wells. 21 producer wells were sampled for tracer breakthrough response until December 2017. The tracer breakthrough...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206164-MS
... and formation water with added surfactant and polymer. Both the surfactant and polymer are found to improve recovery at breakthrough via increase in oil-brine interfacial elasticity and injection brine viscosification, respectively. The synergy of surfactant and polymer mixed with seawater leads to higher...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205863-MS
... tests in supporting large-scale waterflooding optimization for improved oil recovery. In this paper, we compare model predictions to breakthrough data from two field tests of advanced tracers in a pilot during water alternating gas (WAG) cycles, where gas tracer tests have recently been performed...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-208630-STU
... , with increasing heterogeneity, comes increasing Lorenz coefficient, which in turn results in a lower recovery factor and an earlier breakthrough. This is consistant with analytical results available in litature done by Tarek Ahmed in his 2001 Reservoir Engineering Handbook. Figure 4 Horizontal permeability...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206033-MS
... & gas breakthrough carbonate acidizing thickness interval near-wellbore region permeability case ii damaged zone numerical model stb day psi ft-thickness co 2 experiment productivity acid efficiency damage zone wormhole propagation Introduction Matrix acidizing is one...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201708-MS
... pattern, the oil rate type curve is constructed by two mechanisms: (a) the frontal displacement (Marx-Langenheim) before steam breakthrough; (b) the gravity drainage (Vogel) after steam breakthrough. Then the oil rate type curve is created based on these two mechanisms. The paper also provided a multi...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201704-MS
... Abstract In carbonate matrix acidizing, the critical design parameters are interstitial velocity and pore volume to breakthrough for wormhole propagation at the optimal condition (v i,opt and PV BT,opt ). These two parameters are determined by the formation rock properties including...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201339-MS
... control valves (ICV) and autonomous inflow control devices (AICD), enables full production control of the main bore and each lateral independently. The production life of wells in the Norwegian Troll field is limited by early gas and water breakthrough owing to the thin reservoir. Historically...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201464-MS
... cumulative water production complex reservoir upstream oil & gas well 5 early production time production rate fracture drillstem testing waterflooding breakthrough semi-log plot flow regime water production Multi-fractured horizontal well (MFHW) is a proven technology to produce oil...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201462-MS
... or gas breakthrough to prolong well life. However, some wells have continued to experience high water-cut despite the control measures. Image log review has revealed the uncertainty is in the identification of fractures and its conductivity networks. Two additional zonal control technologies...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195850-MS
.... For the gas flood, producers exhibiting high GOR production due to gas breakthrough will be routed to bypass the MPP for a period of sustainable natural flow. The topsides choke will be used to maintain system back pressure to control critical velocity in the riser pipe. Figure 4 Gas Injection Well...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196165-MS
... completion design reservoir multilateral well reliability interval control valve AICD society of petroleum engineers recovery factor Inflow Control Device intelligent completion Artificial Intelligence breakthrough completion productivity water production valve It is important...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191606-MS
... temperature. DI water was injected at 1 cm 3 /min for 3 hrs to ensure heating up the system and reach stabilization. DI water then switched to acid injection and the effluent samples were collected every 0.33 pore volume. The pressure drop across the core was monitored until breakthrough which...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191398-MS
... illustrate our approach in two heavy oil fields under waterflood. In heavy oil waterfloods, it is observed that interwell connectivity and response time varied over time, especially right before and after water breakthrough. The magnitude of CRM parameter variation is a function of viscosity ratio between...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187183-MS
... acidizing modeling Simulation full speciation simulation complex reservoir breakthrough primary species wormhole Upstream Oil & Gas wormhole dissolution pattern experiment speciation simulation Injection Rate society of petroleum engineers dissolution pattern acidization curve...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181348-MS
.... The acid efficiency curves generated from the model for acetic acid compares qualitatively and quantitatively with reported experimental data, and the numerical simulations show that a higher amount of acid will be required to reach breakthrough for acetic acid than for HCl, as expected. The model output...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181499-MS
... methods enhanced recovery polymer flood pilot Delamaide oil production concentration pilot pattern polymer viscosity breakthrough polymer polymer concentration Upstream Oil & Gas polymer injection viscosity fracture incremental recovery reservoir injection interpretation tambaredjo...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181640-MS
... Abstract There have been numerous laboratory tests conducted in recent years, studying the potential for heavy oil recovery through chemical addition (polymers and surfactants). In these tests, recovery is often understood in terms of pre-water breakthrough and post-water breakthrough improved...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181635-MS
... conditions. Upstream Oil & Gas mechanism waterflooding tertiary water flood enhanced recovery methane experiment solution gas additional oil recovery differential pressure crude oil dissolution heavy oil recovery co2 injection reservoir chemical flooding methods breakthrough...

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