Synthesis and Application of a Temperature Sensitive Poly(Acrylamide‐Co‐N‐Isopropylacrylamide‐Co‐Sodium P‐Styrene Sulfonate) as a New Water‐Based Drilling Fluid Plugging Agent
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DOI: 10.1002/app.56733
Abstract: In the process of oil and gas production, the failure of drilling fluid caused it to invade the formation, leading to wellbore instability. N‐isopropylacrylamide (NIPAM), acrylamide (AM), and sodium p‐styrene sulfonate (SSS) were used as… read more here.
Keywords: temperature; styrene sulfonate; sodium styrene; plugging agent ... See more keywords
Oil‐Soluble Temporary Plugging Agent Used for Drilling Reservoir Protection: Preparation, Characteristics and Mechanism
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DOI: 10.1002/app.57611
Abstract: This study engineered an innovative oil‐soluble temporary plugging agent (Poly‐zd‐1) through suspension dispersion blending method of polyethylene wax and coumarone resin; the optimum preparation process was determined based on single‐variable experimentation. Systematic characterization (FTIR, XRD,… read more here.
Keywords: temporary plugging; plugging agent; oil soluble; soluble temporary ... See more keywords
Preparation and Performance Evaluation of a Hydrophobically Associating Polymer as a High-Strength Water-Swelling Temporary Plugging Material
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DOI: 10.1007/s10553-020-01183-x
Abstract: The use of degradable polymer materials as controlling additives to the working fluid during hydraulic fracturing is an area of interest in developing stimulation technologies. A temporary plugging agent with high compressive strength is used… read more here.
Keywords: temporary plugging; plugging agent; water; plugging ... See more keywords
Nano-Film-Forming Plugging Drilling Fluid and Bridging Cross-Linking Plugging Agent Are Used to Strengthen Wellbores in Complex Formations
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DOI: 10.1021/acsomega.2c02432
Abstract: Lost circulation is one of the great challenges during the drilling process as it can not only increase the risk of drilling operations but also cause an increase in drilling costs, thus greatly affecting the… read more here.
Keywords: plugging agent; nano film; cross linking; linking plugging ... See more keywords
Research and Evaluation of a Nanometer Plugging Agent for Shale Gas Horizontal Wells
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DOI: 10.1021/acsomega.4c00501
Abstract: Due to the low permeability of shales, drilling fluid filtrate is very likely to intrude into the formation along the nanomicron pore joints of shale, leading to microfracture expansion and causing a well wall destabilization… read more here.
Keywords: evaluation nanometer; nano plugging; plugging agent; research evaluation ... See more keywords
The Microscopic Mechanism of High Temperature Resistant Core-Shell Nano-Blocking Agent: Molecular Dynamics Simulations
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DOI: 10.3390/polym17141969
Abstract: China has abundant shale oil and gas resources, which have become a critical pillar for future energy substitution. However, due to the highly heterogeneous nature and complex pore structures of shale reservoirs, traditional plugging agents… read more here.
Keywords: temperature; shell; agent; nano plugging ... See more keywords