Matrix acidizing in carbonate rocks and the impact on geomechanical properties: A review

Alameedy, Usama; Fatah, Ahmed; Abbas, Ahmed K.; Al-Yaseri, Ahmed

doi:10.1016/j.fuel.2023.128586

Cited by 11 publications

(2 citation statements)

References 56 publications

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“…It follows that at the current level of knowledge about the effects of external influences it is possible to solve the problems of intensification of slowly proceeding processes of oil formation in order to obtain a given finished product by matching modes of external influence on the components of the oil reservoir with their response to this influence [18]. At that, conditions of resonance correspondences in the system "impact-response" have significance.…”

Section: Discussion Of Resultsmentioning

confidence: 99%

Scientific and technical fundamentals of changing the properties of hydrocarbons in conditions of optimal subsoil use

Metaksa,

Alisheva,

Metaksa

et al. 2023

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Section: Discussion Of Resultsmentioning

confidence: 99%

Scientific and technical fundamentals of changing the properties of hydrocarbons in conditions of optimal subsoil use

Metaksa,

Alisheva,

Metaksa

et al. 2023

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“…However, the non-uniform porosity and permeability distribution and strong heterogeneity of the reservoir are the main factors affecting the stimulation effect of carbonate reservoirs [5]. Matrix acidification has always been the main stimulation technology for eliminating near-well damage and restoring natural productivity in carbonate reservoirs [6][7][8]. The carbonate reservoir is affected by sedimentation and diagenesis during the formation process, which shows strong heterogeneity.…”

Section: Introductionmentioning

confidence: 99%

Study on Optimization of Stimulation Technology of Heterogeneous Porous Carbonate Reservoir

Zhao,

Xu,

Wang

et al. 2024

Processes

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Mishrif (M) reservoir of Faihaa (F) oilfield in Iraq is a heterogeneous porous carbonate reservoir. The reservoir properties of each reservoir unit differ greatly, and the distribution of porosity and permeability is non-uniform. Some reservoir units have the problem that the expected production cannot be achieved or the production decline rate is too fast after matrix acidification. This work optimized and compared the process of acid fracturing and hydraulic fracturing techniques. The Mishrif B (MB) and Mishrif C (MC) layers are selected as the target units for fracturing and the perforation intervals are optimized. The acid fracturing process adopted the acid fracturing technology of guar gum pad fluid and gelled acid multi-stage injection. According to the wellhead pressure limit and fracture propagation geometry, the pumping rate is optimized. The recommended maximum pumping rate of acid fracturing is 5.0 m3/min, and the optimized acid volume is 256.4 m3. The pressure changes during hydraulic fracturing and acid fracturing are different. It is recommended that the maximum hydraulic fracturing pump rate is 4.5 m3/min for MB and MC layers, and the amount of proppant in MB and MC layers is 37.5 m3 and 43.7 m3, respectively. The production prediction of two optimized processes is carried out. The results showed that the effect of acid fracturing in MB and MC layers is better than hydraulic fracturing, and it is recommended to adopt acid fracturing technology to stimulate MB and MC layers. Acid fracturing operation is carried out in the X-13 well, and better application results are achieved. The results of this study provide optimized reference ideas for reservoir stimulation in heterogeneous porous reservoirs.

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Impact of Carbonate Content, Rock Texture, and Roughness on Fracture Transmissivity and Acid-Etching Patterns in Carbonate Rocks

Rodríguez,

Barbosa,

Cardona

et al. 2024

Rock Mech Rock Eng

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Matrix acidizing in carbonate rocks and the impact on geomechanical properties: A review

Cited by 11 publications

References 56 publications

Scientific and technical fundamentals of changing the properties of hydrocarbons in conditions of optimal subsoil use

Scientific and technical fundamentals of changing the properties of hydrocarbons in conditions of optimal subsoil use

Study on Optimization of Stimulation Technology of Heterogeneous Porous Carbonate Reservoir

Impact of Carbonate Content, Rock Texture, and Roughness on Fracture Transmissivity and Acid-Etching Patterns in Carbonate Rocks

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