Composite Decline Rate Calculation Method Research of the Scrolling Development Gas Field

Yao, Huo; Qiaojing, Li

doi:10.1007/978-981-15-2485-1_123

Cited by 1 publication

(1 citation statement)

References 2 publications

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“…In the analysis, the production time of gas wells is required to be long enough to find the production decline trend, which is suitable for the production situation of fixed bottom-hole flow pressure. Domestic gas fields (wells) generally adopt the mode of fixed production and pressure reduction during the main production period, and the production decline trend can only be identified in the middle and late period [8] . From the strictly flow section, the decline curve represents the boundary control flow section and cannot be used to analyze the unstable flow section in the early stage of production.…”

Section: Decline Typementioning

confidence: 99%

Decline Law of Gas Wells in Different Classes of Tight Sandstone Gas Reservoirs in Sulige Area

Liu,

Zhao,

et al. 2024

Proceedings of the International Conference on Industrial Design and Environmental Engineering, IDEE 2023, November 24–26, 2023

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Taking a tight sandstone gas reservoir in Sulige area as an example, Arps analysis met hod is used to calculate production decline, and three production decline modes of exponential, hyperbolic and harmonic are explained in detail. The study shows that the decline law of different types of gas wells in a tight sandstone gas reservoir in Sulige area is similar, with exponential decline in the early stage of production and hyperbolic decline in the middle and later stages of production. Different types of reservoirs have different time to enter the boundary control flow, and class I gas well is shorter than class II gas well is shorter than class III gas well. The decline rate of gas wells in different reservoir types is different in different stages, but the decline rate in life cycle is basically the same.

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Section: Decline Typementioning

confidence: 99%