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Keywords: water cut
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-208630-STU
... chart. A reservoir's overall degree of heterogeneity can be inferred using the radar chart area procedure discussed in this study. In general, our simulations illustrate that the larger the radar chart area, the more heterogenous the reservoir is, which in turn yields higher water cut trends and lower...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205928-MS
... of mixed water and simandoux formula is established to calculate the resistivity of mixed water (Rwz) and Sw after water flooding. The displacement efficiency is calculated by Sw before and after water flooding, and then the relationship between displacement efficiency and water cut is established, so...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205960-MS
..., viscosity/density and water cut, the simulations show that a significant improved production rate/income can be achieved by extracting the produced water downhole and performing re-injection into the producing reservoir to maintain reservoir pressure. In addition, the expected lifetime of the well...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206073-MS
... shanghai macklin biochemical co fractured-vuggy carbonate reservoir foam tahe oilfield gas injection method gel foam micro-dispersed gel foam slug water cut water flooding reservoir tk722ch2 well Introduction The geological reserves of carbonate reservoirs account for about 70...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206036-MS
... the job, well started producing 1,50,000 m3/d of gas with 0% water cut whereas before it was producing 1,00,000 m3/d of gas with 1900 BPD of water. Thus, the intervention resulted in production enhancement by 50% and reduction in water cut by 100%. This paper highlights the proper analysis...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206247-MS
... and fluid data (i.e., PVT data, relative permeability, and polymer properties). In particular, high transmissibility strips were introduced to connect the injectors and producers, simulating the short-circuiting flow behavior explainable by viscous fingering and reproducing the water cut history...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206265-MS
... Fluids produced by a tertiary formation named San Fernando T2 generates a harsh wellbore environment for artificial lift systems due to its high viscosity, low water cut, high temperature and gas production. Friction losses resulting from the fluid viscosity in this environment decreases...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206333-MS
...-grained, argillaceous sands, silts and muds. The reservoir is shallow with high permeability (above 1000 mD) and under bottom aquifer pressure support. Due to strong viscosity contrast between oil and water, after breakthrough, the water cut rises quickly resulting in strong loss of production efficiency...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205970-MS
... Abstract Accurate prediction of gas critical rate is critical to the successful management of gas wells. This paper covers the prediction of gas critical rate and presents limitations of old models with gas condensate wells with water-cut reversal. Comparison of prediction methods or models...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201603-MS
... Abstract We developed and investigated the effectiveness of new multifunctional foaming agents (MFAs) for production enhancement in oil wells with gas lift or high gas-oil ratio, high water cuts (>30%), and very high conditions of temperature (180°C), hardness (180,000 ppm), and salinity...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201648-MS
... Abstract We describe the first field applications of a new multifunctional foaming agent (MFA) for production enhancement in oil wells with gas lift. The tests were conducted in three wells with water cuts from 40 to 90%, depth (>5000 m), bottomhole temperature (150°C), and brine hardness...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201497-MS
... of the horizontal wells is usually about 8-10m. Influenced by the factors, such as formation heterogeneity, high oil-water viscosity ratio, high recovery rate, some horizontal wells have the characteristics of short water-free recovery period and rapid rise of water cut. The water cut curve of these wells usually...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201543-MS
... phase classification water cut Introduction and Field Information The Greater Clair Field is located 75 km West of Shetland, extending over an area of 220km 2 in water depths of approximately 140m ( Fig. 1 ). It is the largest hydrocarbon resource in the UKCS with an estimated 7bnstb STOIIP...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201577-MS
...OCP and m-OCP System Abstract Increasing water cut in oil-producing zones is a common issue, particularly in mature fields. Currently, most decisions are governed by economics, and incurring additional expenses, such as handling produced water, is undesirable. Depending upon the source...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195911-MS
... exploitations because of increasing water cut and strict discharge regulations. A compact axial hydrocyclone is presented to pre-separate water from the wellstream. Experimental investigation was carried out to qualify its performance. A test loop is designed to perform experimental investigations. The flow...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196219-MS
... of December 2018, there are 7 development wells in H1 reservoir, all of which are produced by horizontal wells with water cut of 97.9% and recovery factor of 40.8%. In 2016, an optical fiber system for permanent monitoring applications in multiphase flow was firstly employed in the new horizontal well X...

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