The “Golden Zone” temperature distribution of oil and gas occurrence examined using a global empirical database

Nadeau, Paul H.; Sun, Shaoqing; Ehrenberg, Stephen N.

doi:10.1016/j.marpetgeo.2023.106507

Marine and Petroleum Geology

2023

DOI: 10.1016/j.marpetgeo.2023.106507

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The “Golden Zone” temperature distribution of oil and gas occurrence examined using a global empirical database

Paul H. Nadeau,

Shaoqing Sun,

Stephen N. Ehrenberg

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2024

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Cited by 6 publications

References 26 publications

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In-situ poly(hexahydrotriazine) gels temporary plugging agent suitable for high-temperature reservoirs: Regulation by inorganic chloride salts

Wang,

He,

et al. 2024

Geoenergy Science and Engineering

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In-situ poly(hexahydrotriazine) gels temporary plugging agent suitable for high-temperature reservoirs: Regulation by inorganic chloride salts

Wang,

He,

et al. 2024

Geoenergy Science and Engineering

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Oil cracking under closed-system pyrolysis: Implications for deep oil occurrence and related source determination

Wang,

Hao,

Zhou

et al. 2024

Marine and Petroleum Geology

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Temperature, pressure, and duration impacts on the optimal stiffening of carbonates aged in diammonium phosphate solution

Desouky,

Aljawad,

Abduljamiu

et al. 2024

Sci Rep

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Diammonium phosphate (DAP) has been proven effective in improving the stiffness of weak or acid-damaged carbonates, thereby preserving hydraulic fracture conductivity. The reaction between DAP and calcite in chalk formations primarily produces hydroxyapatite (HAP), which is stiffer than calcite. However, the optimal reaction outcomes vary greatly with factors such as DAP concentration and reaction conditions. This study investigated the DAP-calcite reaction duration, pressure, and temperature effects on the stiffness magnitude of soft Austin chalk. Also, the catalyst effect and depth of HAP formation were examined. The study involved the assessment of stiffness non-destructively (impulse hammering), mineralogy (XRD, SEM), and elemental composition (XRF). The study tested 15 different DAP-chalk reaction variations, where the pressure, temperature, aging time and catalyst addition were modified in each case. The samples' elastic stiffness distributions were then collected and compared to the pre-reaction ones. The results showed that the elastic stiffness increased in all treated samples, with an 181% maximum increase achieved after 72 h at 6.9 MPa and 75 °C. However, the pressure effect was minor compared to the temperature. The SEM images revealed different HAP morphology corresponding to different treatment conditions. Although the treated samples showed an increased intensity of phosphorus throughout the entire sample, the near-surface zone (4–6 mm) was the most affected, as inferred from the XRF elemental analysis. The study's findings can help optimize hydraulic fracturing operations in weak carbonate reservoirs, improving production rates and overall well performance.

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The “Golden Zone” temperature distribution of oil and gas occurrence examined using a global empirical database

Cited by 6 publications

References 26 publications

In-situ poly(hexahydrotriazine) gels temporary plugging agent suitable for high-temperature reservoirs: Regulation by inorganic chloride salts

In-situ poly(hexahydrotriazine) gels temporary plugging agent suitable for high-temperature reservoirs: Regulation by inorganic chloride salts

Oil cracking under closed-system pyrolysis: Implications for deep oil occurrence and related source determination

Temperature, pressure, and duration impacts on the optimal stiffening of carbonates aged in diammonium phosphate solution

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