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Oil rim in X3.2 was 17-ft thick and shallower than expected, while oil rim in X3.1 was deeper than observed in Well B and was interpreted to have a 25-ft oil column. 5 shows near-wellbore reservoir permeability (K), horizontal permeability (K h), vertical permeability (K v), oil saturation fraction (S o), water saturation fraction (S w), and gas saturation fraction (S g) obtained from logs after reaching target depth. 8 30 25 20 15 10 5 0 10 8 6 4 2 0 1,000 900 800 700 600 500 400 300 200 100 0 Time TIme Offset Well B Well A GOR, Mcf/bbl GOR, Mcf/bbl Oil rate, b/d 1,800 1,600 1,400 1,200 800 600 400 200 0 Oil rate, b/d GOR Oil Rate GOR Oil Rate Read better. [Extracted from the article]

The article explores annular phase separation phenomena to optimize autonomous inflow control device (AICD) completion design to prevent unwanted effluents during oil and gas production. It explains the two-phase liquid equilibrium flowrate to determine the number of AICDs needed in a well and the multi-phase flow of fluid in horizontal wellbores or pipelines to understand conditions for annular phase separation. It outlines fundamental rules when considering application of AICD completions.

The article offers information on controlling sand output while increasing heavy oil production offshore China. Topics include the combination of an innovative autonomous inflow control device and gravel pack completions is effectively preventing sand production and the CNOOC China Ltd. Shenzhen and global production optimization and advanced completion specialist.

The article offers information on efforts for improving performance in unconventional oil reservoirs in the U.S. It mentions that how advanced completion technology can balance the distribution of gas injection along the length of the wellbore and help control early back-production of gas in a huff & puff gas enhanced oil recovery (EOR) process.

The article focuses on the use of autonomous inflow control technology to improve oil production while reducing emissions. Topics include the negative effects of traditional oil production methods, the success of autonomous inflow control devices (AICDs) in reducing the production of unwanted water and gas, and the impact of AICDs on reducing greenhouse gas (GHG) emissions.