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Keywords: calculation
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Proceedings Papers

Paper presented at the SPE Oklahoma City Oil and Gas Symposium, April 9–10, 2019
Paper Number: SPE-195208-MS
... engineers to make smarter decisions faster in a repeatable way. artificial lift system optimization problem machine learning gas lift calculation performance curve gas lift system multiobjective genetic algorithm gas injection Artificial Intelligence Upstream Oil & Gas oil production...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–26, 2013
Paper Number: SPE-164478-MS
... Abstract Conventional reservoir calculations using resistivity and density/neutron porosity have been the industry standard for defining reservoir characteristics. The calculation of water saturation from these measurements is used in every reservoir situation. Many reservoirs are not easily...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 27–29, 2011
Paper Number: SPE-142303-MS
... . Once the latter is determined, the fracture dimensions, i.e., fracture length and width, are set. If one assumes the fracture height is known and constant then the calculation is simple and a 2D fracture propagation model can be used. However, fracture height is not constant throughout the fracture...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 27–29, 2011
Paper Number: SPE-141055-MS
... was 0.027 inches. The required calculated stem travel for a fully open 1/4-inch ID port based on the surface area of the frustum of a right circular cone exceeds 0.10 inch. Although this valve would appear "OK" in the set opening pressure tester, the valve could pass only a very small total volume of...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 27–29, 2011
Paper Number: SPE-141416-MS
... complex reservoir resource in place estimate adsorption model estimates of resource in place sorbed phase density fraction 0 upstream oil & gas calculation composition storage capacity adsorption layer effect fraction phase mole fraction hydrocarbon el isotherm shale gas...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 27–29, 2011
Paper Number: SPE-141525-MS
... an apparent viscosity for use in the Reynolds number calculation by comparing the laminar flow equations for Newtonian and power law fluids. This concept was applied for the calculation of frictional pressure loss. The effect of proppant on fluid friction has received attention since prediction...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, April 4–8, 2009
Paper Number: SPE-120625-MS
... Abstract Critical velocity calculations in the form of charts or simple equations are frequently used by field personnel to evaluate a gas well's flowing conditions to determine if the well is experiencing liquid loading problems. Literature detailing the critical velocity necessary to keep a...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, April 4–8, 2009
Paper Number: SPE-120280-MS
... and Beggs, 1991). Eaton-Flanigan uses Eaton correlation with elevation term neglected, Dukler-Flanigan uses Dukler correlation with elevation term neglected, and Dukler-Eaton-Flanigan uses Dukler correlation for friction calculation, Eaton correlation for liquid holdup calculation and elevation term...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, April 4–8, 2009
Paper Number: SPE-120114-MS
... any gas well, not only because it leads to stimulation but it also reduces turbulence effects. This can be seen from Figure 1 (Marongiu-Porcu et al., 2008). Figure 1 shows calculated folds of increase (FOI) between fractured and non-fractured wells for both oil and gas reservoirs within a...
Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-106642-MS
... find out which models could be used for calculating the relative permeability from capillary pressure realizing a best fit matches with the relative permeability obtained from resistivity measurements. In addition, to determine the types of wettability from resistivity measurements. Results and...
Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-106092-MS
... uses zero-cost air as power fluid. It is a space efficient package which can be used on offshore locations as well. The paper describes the individual components of the system and the calculations involved therein. The economic and technical comparison of this system with the conventional methods is...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 16–19, 2005
Paper Number: SPE-93943-MS
... problems, etc. The rod pump control system (wellsite rod pump controllers [RPCs} and host software) provides both surface dynamometer cards and calculated downhole pump cards for detailed analysis. Problems that reduce the production of a well can be seen through trends and displays of historical data as...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 16–19, 2005
Paper Number: SPE-94305-MS
... and after the treatment.While the measurement of sonic properties during open-hole logging operations assisted somewhat in calculating relative stress differentials, its application was sporadic at best, and there was no way to check the results. Pre and post-stimulation pressure buildups required...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–25, 2003
Paper Number: SPE-80933-MS
... length, and aerial width. A fracture width vs. proppant size requirement is applied, and a simple material balance calculation is performed to generate a fracture volume taking fluid leakoff into account. Fracture conductivity of a low proppant-concentration, high fluid-volume fracture is estimated to...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 24–27, 2001
Paper Number: SPE-67237-MS
..., no reliable standards are currently available that take into account quantitatively the parameters necessary for the calculation of productivity index in long horizontal well. A new approach of the specific productivity index is proposed to predict the production rate considering friction losses in...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 24–27, 2001
Paper Number: SPE-67198-MS
... individual zones within the Granite Wash wells. porosity well 1 bill grieser granite wash gas production upstream oil & gas john brinska storage capacity zone selection water saturation britt hill prop length well logging spe 67198 calculation production prediction log analysis...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 24–27, 2001
Paper Number: SPE-67241-MS
... Abstract A new technique has been developed for analyzing the constant bottomhole pressure (BHP) test data. The method presented in this note allows to calculate the skin factor for damaged and stimulated oil wells. Advantages of the BHP test are: they do not require that well be shut in...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 9–11, 1997
Paper Number: SPE-37489-MS
... pressure" or "closure stress" has been used in these papers primarily in the context of calculating fracture net pressure or excess pressure. 1,2 These parameters, and others, are used in calculating the fracture geometry during a fracture treatment. 3,4 Accurate measurements of closure stress for...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 9–11, 1997
Paper Number: SPE-37440-MS
... Abstract An accurate method to predict volumetric behavior of gas mixtures, such as in the case of underground gas storage where the in-situ gas is mixed with the injected gas, is presented in this paper. This method accurately calculates the compressibility (Z) factor of pure hydrocarbon, non...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 9–11, 1997
Paper Number: SPE-37492-MS
..., accomplished either by perforated and non-perforated or slotted/blank liners has merit for zonal isolation, future well management and problem remediation. Economic calculations, incorporating production and well completion including zonal isolation devices show substantial attractiveness from partially...

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