A perspective review on degradable polylactic acid diverters for well stimulations

Chen, Xiaoshuang; Lu, Yingda

doi:10.1016/j.fuel.2023.128557

Cited by 5 publications

(2 citation statements)

References 65 publications

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“…The melting temperature (Tm) of PLA is typically between 393 and 453 K; however, it occasionally reaches 483 K [44,45]. According to reports, semicrystalline PLA possesses tensile strengths between 50 and 70 MPa, tensile moduli of 3 GPa, flexural strengths between 100 MPa and 5 GPa, and a length increase at the break of around 4% [49][50][51]. Depending on the application, PLA diverters can have a wide range of shapes and geometries.…”

Section: Polylactic Acidmentioning

confidence: 99%

Synthetic Degradable Polyvinyl Alcohol Polymer and Its Blends with Starch and Cellulose—A Comprehensive Overview

Elgharbawy,

El Demerdash,

Sadik

et al. 2024

Polymers

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Approximately 50% of global plastic wastes are produced from plastic packaging, a substantial amount of which is disposed of within a few minutes of its use. Although many plastic types are designed for single use, they are not always disposable. It is now widely acknowledged that the production and disposal of plastics have led to a plethora of negative consequences, including the contamination of both groundwater and soil resources and the deterioration of human health. The undeniable impact of excessive plastic manufacturing and waste generation on the global plastic pollution crisis has been well documented. Therefore, degradable polymers are a crucial solution to the problem of the non-degradation of plastic wastes. The disadvantage of degradable polymers is their high cost, so blending them with natural polymers will reduce the cost of final products and maximize their degradation rate, making degradable polymers competitive with industrial polymers that are currently in use daily. In this work, we will delineate various degradable polymers, including polycaprolactone, starch, and cellulose. Furthermore, we will elucidate several aspects of polyvinyl alcohol (PVA) and its blends with natural polymers to show the effects of adding natural polymers on PVA properties. This paper will study cost-effective and ecologically acceptable polymers by combining inexpensive natural polymers with readily accessible biodegradable polymers such as polyvinyl alcohol (PVA).

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Section: Polylactic Acidmentioning

confidence: 99%

Synthetic Degradable Polyvinyl Alcohol Polymer and Its Blends with Starch and Cellulose—A Comprehensive Overview

Elgharbawy,

El Demerdash,

Sadik

et al. 2024

Polymers

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“…According to the analysis of reservoir minerals, the M reservoir is mainly composed of calcite, as the content of calcite is more than 95%, containing a small amount of dolomite, quartz, etc., and the content of clay minerals is less than 5%. Due to the high content of calcite, additives such as corrosion inhibitors, diverting agents, and gelling agents are often added during the acid treatment process to slow down the acid-rock reaction rate, increasing the effective distance of the live acid and improving the acid etched fracture conductivity [28].…”

Section: Reservoir Characteristicsmentioning

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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Hydrolysis kinetics of self-degradable diverters for well stimulation

Chen,

Vidma,

Ziauddin

et al. 2024

Geoenergy Science and Engineering

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A perspective review on degradable polylactic acid diverters for well stimulations

Cited by 5 publications

References 65 publications

Synthetic Degradable Polyvinyl Alcohol Polymer and Its Blends with Starch and Cellulose—A Comprehensive Overview

Synthetic Degradable Polyvinyl Alcohol Polymer and Its Blends with Starch and Cellulose—A Comprehensive Overview

Study on Optimization of Stimulation Technology of Heterogeneous Porous Carbonate Reservoir

Hydrolysis kinetics of self-degradable diverters for well stimulation

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