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Keywords: history
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Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2024
Paper Number: SPE-221787-MS
... commercial numerical simulator, the reservoir was initialized, history matched and further calibrated with available Open hole and carbon-oxygen (CO) logs. An integrated review of static and dynamic well data indicated that after 47 years of production, the gas cap was observed to shrink by more than 10ft...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2024
Paper Number: SPE-221784-MS
... of the reservoir's permeability, skin-factor, and initial gas-in-place. resource in place estimate estimates of resource in place material balance equation algorithm reservoir pressure transient analysis history application pressure transient testing permeability reservoir permeability material...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 1–3, 2022
Paper Number: SPE-212025-MS
... management and control application petroleum engineer work case -nfw oml-zzz liquid forecast incline objective water production forecasting improvement epsilon field information modeling & simulation production monitoring history society presentation Introduction Production...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 1–3, 2022
Paper Number: SPE-211910-MS
.... This work will be based on the method of superposition to calculate the total pressure drop in the observation well for a given angle of inclination of the faults. Pressure drawdown test procedure is developed from the total pressure drop expression for a constant production rate history of a vertical well...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 1–3, 2022
Paper Number: SPE-211907-MS
... image well at a distance d n  from the object well For the two-rate history shown in Figure 2 , and using pressure drop expressions, Equation 2 becomes (3) Δ p T , o = − 70.6 q 1 μB kh Ei − 948 ϕ μ c t r w 2 k  t p + Δ t...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2019
Paper Number: SPE-198752-MS
... were analyzed with the integrated data – geology, production and reservoir pressure history, fluid and rock properties to select the most likely scenario. For this analysis, a new diagnostic plot was introduced for evaluating transmissibility, which improved the clarity in decision making. Using...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2019
Paper Number: SPE-198854-MS
... Gas Initially in Place (GIIP). The brown reservoir is a highly faulted gas reservoir with twenty-seven (27) years production history, by seven wells. The reservoir's GIIP re-evaluation had been done twice over the years. This was because it had fully developed its ultimate recovery, with three wells...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2019
Paper Number: SPE-198741-MS
... History STOIIP estimate dmb model drillstem/well testing new model bl model hysteresis society of petroleum engineers reservoir pressure application Stoiip Introduction Proper reservoir surveillance is critical to the success of reservoir management and the realisation of maximum project...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 5–7, 2019
Paper Number: SPE-198785-MS
... is central to the effective exploitation of any hydrocarbon asset and is heightened for the development of brown fields. The problem of limited BHP data also makes reservoir pressure history matching difficult. This study proposes a workflow implemented on an Excel VBA program for a brown field in Niger...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 6–8, 2018
Paper Number: SPE-193463-MS
... dynamic model exploration government Nigeria Exploration Investment forecast History development investment Scenario reserve growth international crude oil price dynamic production capacity reserve addition petroleum Abstract Nigeria's crude oil reserves and production capacity growth...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 6–8, 2018
Paper Number: SPE-193451-MS
... Model Initialization Schedule History Matching Development scenarios/Optimization/Prediction Abstract Water coning in oil reservoirs is a complex phenomenon which poses a problem in the petroleum industry today. The upward movement of water into the production interval has an adverse...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 6–8, 2018
Paper Number: SPE-193442-MS
... enhanced recovery bottom hole pressure excessive choke increase impact Reservoir Surveillance simulation model Angola production monitoring water production history historical data choke size predopt society of petroleum engineers Upstream Oil & Gas variation water cut water...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 6–8, 2018
Paper Number: SPE-193532-MS
... for optimized production operations, etc. For instance, an emerging technology in well architecture that is expected to substantially improve productivity is application of multilateral wells [ 3 ]. Multilateral wells have been used in many well-managed reservoirs with long production history to improve...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 6–8, 2018
Paper Number: SPE-193522-MS
... around the wells in the reservoir. Resolution Methodology In a bid to avoid local changes to obtain a history match, Significant effort was expended trying to obtain a global or regional solution to the water cut behavior disparity during the history matching process. Following several...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 6–8, 2018
Paper Number: SPE-193400-MS
... employing polynomial regression for the optimization of the engineering parameters to maximize NPV. The optimization were performed for both history-matched models (constrained optimization) and the original, non-history-matched models (unconstrained optimization). The aim of this work is to analyse how...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 6–8, 2018
Paper Number: SPE-193510-MS
.... This paper presents a case study for attic oil development in Nigeria with a well sidetrack for a reservoir with significant structural uncertainty and complex gas cap movement. An approach combining history matching of numeric simulation models and simple analytic solutions to address the uncertainty...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 6–8, 2018
Paper Number: SPE-193512-MS
... in the presence of this trapped gas. Countering the effect of this oil smear – lost to production – could be an initial oil saturation in the gas cap, caused by the migration history of hydrocarbons into or out of the reservoir. Considering the sensitivity of the results (ultimate oil recovery) to effects...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 6–8, 2018
Paper Number: SPE-193481-MS
... field development reservoir simulation cumulative production recovery recommendation Indicator marginal field case study probability History Nigeria sensitivity analysis initial investment Introduction Methodology for the study The methodology for this study is categorized...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, July 31–August 2, 2017
Paper Number: SPE-189110-MS
... to be continuous but often there are operational breaks in the data making analysis quite difficult. Case histories of FMB and RTA that use augmented non-continuous pressure data from PDHG as basis for modelling well and reservoir performance to deal with this gap are presented in this paper. The proposed method...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, July 31–August 2, 2017
Paper Number: SPE-189127-MS
... in the reservoir was established through dynamic reservoir model calibration by history matching for 41 years of production history. Results obtained from FSA, pressure profiles, sand-to-sand juxtaposition and dynamic history matching all combined showed an established hydraulic communication between reservoirs...

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