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Simplified mathematical gas lift performance model

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Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 20–22, 2015
Paper Number: SPE-176416-MS
... ) Part 3: Response Surface Model (RSM) Normally, the well performance of gas-lift wells can be estimated using NODAL analysis. Wellhead flowing pressure and gas-lift injection rate are control variables. Inflow and outflow performance curve is generated separately and the equilibrium is found...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 2–4, 1995
Paper Number: SPE-29454-MS
... the average bottomhole flowing pressure and the pressure stabilization time for a gas-lift cycle. In 1963, White, et al. used dimensional analysis and similarity to model intermittent gas lift. Their mathematical simulation was simplified by assuming that the liquid slug velocity rapidly reaches a constant...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 29–October 2, 2002
Paper Number: SPE-77729-MS
... of the actual measurements with the mathematical model outcome is included. field scale research gcp spe 77729 enhanced recovery flow rate deviation pressure drop hernandez upstream oil & gas artificial lift system mathematical model hydraulic gas pump injection pressure gas injection...
Proceedings Papers

Paper presented at the Petroleum Computer Conference, June 17–20, 1991
Paper Number: SPE-22296-MS
... completion, the respective velocities of llquid 69 and gas ), in such a way that will provide maxiinum utillzation of the injected power due to the favourable relation of the physical phenomena and the phase effects during the lifting of the llquid slug. The design of the mathematical model is oriented...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2118
... of the platform lifting operation are not satisfactory. upstream oil & gas ballast tank fuzzy logic platform artificial intelligence controller huazhong university ballast water target depth characteristic mathematical model control system subsea system pid controller simulation result...
Proceedings Papers

Paper presented at the SPE European Petroleum Conference, October 24–25, 2000
Paper Number: SPE-65161-MS
... is the discussion of how such data sets can be used directly and efficiently in an optimisation context. approximation point well performance objective linear programming fulfil artificial lift system inflow performance mathematical model spe 65161 production system gas injection new mathematical...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 25–29, 2022
Paper Number: SPE-209437-MS
..., and upwards in the inner tubing. The flow is considered two-phase (i.e., gas and liquid) and one component. Three-phase or multi-component systems can be easily implemented in the model ( Livescu et al. 2009 ; Livescu et al. 2010a , b ; Semenova et al. 2010 ). The simplifying assumptions of the current...
Proceedings Papers

Paper presented at the International Oil Conference and Exhibition in Mexico, August 31–September 2, 2006
Paper Number: SPE-104069-MS
... maximum production from the system. Fig. 5 shows a simplified diagram of the methodology. The gas-lifted wells models were used to establish the wells performances curves under gas lift conditions for different well head pressures. The surface production network model contains detailed information...
Proceedings Papers

Paper presented at the University of Tulsa Centennial Petroleum Engineering Symposium, August 29–31, 1994
Paper Number: SPE-27986-MS
...% of these well are in gas lift and approximately 760 wells are being lifted intermittently. Natural reservoir decline will increase the number of wells that will require intermittent lift at an estimated rate of 150 wells per year. Continuous research and modeling efforts have been performed over the last thirty...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-186
... and the mechanical model are very complex, precise modeling is complicated. A highly simplified mathematical model of the system can lead unrealistic simulation results, while more detailed models will need more computation time and more effort on debugging. To mitigate these problems, this paper uses a semi...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–6, 1999
Paper Number: SPE-56659-MS
... of multi-phase numerical simulators, under vertical gas-lifted flow. Mathematical model for transient multi-phase flow The general mathematical description of transient flow consists of continuity and momentum equations, with additional closure relations. Considering two distinguishable phases...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206102-MS
... support from SUBPRO, which is financed by the Research Council of Norway, major industry partners and NTNU. Simplified Model The model equations can be divided into simple gas-lift system model and simple oil production well model. Simple gas-lift system model The mass balance equation...
Proceedings Papers

Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28108-MS
.... It will also show and discuss some results of the implementations of this real time advanced control system in two offshore platforms, emphasizing the economic gains and critical points to maintain this controller running with a good performance. control module gas lift oil production module setpoint...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166352-MS
... a simple set of IF‐THEN rule‐based inferencing to solve control problems in conjunction with the mathematical model. Based on real time data from field historians, recent well tests, and an up to date well model, the program estimates the current stability condition of gas lift wells with a single point...
Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 8–10, 2004
Paper Number: PETSOC-2004-134
... properties for particular well situations. Various cases are discussed and compared. Results from the models, shown with limited test data, indicate how to perform a more detailed engineering approach to analyze performance of this system for applications such as lifting fluids from shallow gas wells...
Journal Articles
SPE Prod & Oper 8 (03): 211–216.
Paper Number: SPE-21636-PA
Published: 01 August 1993
...H. W. Winkler; P. T. Eads Summary This paper outlines a continuous-flow installation design procedure that uses the performance characteristics of singleelement, nitrogen-charged, injection-pressure-operated (IPO) gas-lift valves (GLV's). The Appendix gives a mathematical performance valve model...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19211-MS
..., pressure buildup etc. Considering the gas flows with plunger moving in the tubing, the new model accounts for the instant velocities during plunger rising and falling. Reservoir performance as a component is included in all stages of plunger lift processes. By solving the transient governing equation...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-152765-MS
... inflow performance relationship skin factor upstream oil & gas natural flow rate vertical lift equation production rate reservoir wellhead pressure fractal reservoir artificial intelligence jelmert assumption spe 152765 flow equation wellbore radius equation Introduction...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, April 16–18, 2012
Paper Number: SPE-153133-MS
... the gas lift process reaches either steady production or cyclic "unstable" (mathematically, this term is not precise) production. This work has no intention to develop a transient mathematical model, but to present a practical field procedure to control the liquid flow rate through the gas lift valve...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 3, 2001
Paper Number: SPE-71561-MS
.... A quantitative approach to the search for the best operational conditions requires the construction of a mathematical model, which must capture enough characteristics of OPSs to predicts the costs and benefits of any given set of operational conditions. The main goal of OPSs is to produce as much oil/gas...

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