Formulation optimization and performance evaluation
Formulation optimization and performance evaluation of polymer gel profile control agent: WEI Yunyun 1,3,4, LUO Litao 1,2, LIU Xiangui 1,4, LIU Weidong 4, YANG Zhengming 4: 1. Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007, China;
Materials Sciences and Applications Vol.06 No.05(2015), Article ID:56110,4 pages 10.4236/msa.2015.65040. Performance Evaluation of a New Type of Polymer Profile Control Agent
Evaluation of the Gel Profile Control Agent Polyacrylamide
Evaluation of the Gel Profile Control Agent Polyacrylamide in Enhanced Oil Recovery . Formula of anionic delayed cross-link polymer gel profile control agent with ideal long-term stability is confirmed. Profile control effect referred to core with diverse permeability and influence law of different injection time and injection rate on
Evaluation of the Gel Profile Control Agent Polyacrylamide in Enhanced Oil Recovery Based on the system of anionic delayed cross-link polymer gel type deep profile control agent, experiments are conducted to evaluate the performance of long-term thermal stability, shearing resistance, and compatibility with natural debris of profile control
Evaluation of polyacrylamide gels with accelerator
The property of polyacrylamide gel with accelerator ammonium salts served for ultralow to low temperature reservoirs is sensitive to many variables. The viscosity of the HPAM gel with ammonium salt initially decreases and then increases with time pass at room temperature, which is beneficial for pumping at surface condition.
Be aimed at the characteristics of high temperature-salinity and severe heterogeneity of Bohai oilfield. This paper studies three different strength kinds of polymer gel profile control agents. Use storage modulus evaluates strength of polymer gel. the result indicate that the storage modulus of weak gel is between0.1 Pa and 1.0 Pa, the storage modulus of moderate gel is between1.0 Pa and 3.1
A comprehensive review of polyacrylamide polymer gels
3. Summary Polyacrylamide polymer gels have made a significant im- pact on shut-off and profile control treatments, the sealing of open wellbores, abandonment of zones or wells, and so on. The development of preformed particle gels is a promising direction in polymer gel treatments since these gels overcome several in-situ gel inherent problems.
Olive oil polyphenol extract (OOPE) has been reported to have antibacterial activity; however, its effect on Listeria monocytogenes is less studied so far. This study, thus, aimed to reveal its antimicrobial activity and action approach against L. monocytogenes via evaluating the minimum inhibitory concentration (MIC) as well as the changes of intracellular adenosine 5′-triphosphate (ATP
Antibody validation for Western blot: By the user, for the
Evaluation by the user: trust, but verify. There is no guarantee that a given antibody will specifically detect and bind the target-of-interest, either in samples or in an experimental context (), even if it has been raised against this target antigen.If the antibody has been validated for Western blotting either by the supplier/distributor or elsewhere, it should still also be confirmed by
Stain is a new and safe nucleic acid stain for the visualization of double-stranded DNA, single-stranded DNA, and RNA in agarose gels. The dyes are developed to replace toxic Ethidium Bromide (a potent mutagen), commonly used in gel electrophoresis for visualization of nucleic acids in agarose gels.…
US Patent # 4,606,407. Programmed gelation of polymers
A delayed cross-linking agent completes the cross-linking process after the polymer has been selectively emplaced to form a firm, full strength gel. Suitable rapid cross-linking agents may be formed by the reaction of alkalies and chromic salts at specified ratios or by the redox reduction of chromium from its higher oxidation states under
Polyacrylamide(PAM) water treatment agent XUNYU GROUP PAM Applications: Anionic PAM: It is widely used in waste water treatment of chemical industry, municipal sewage treatment, such as coal washing, mineral processing, metallurgy, iron and steel industry and electronic industry.It is also used in oil industry to enhance oil recovery which is
- What are cationic polyacrylamide copolymers?
- Cationic polyacrylamide copolymers (PAMs) are a group of water-soluble polymers with a wide range of applications in industry, food processing, agriculture and waste management. One of the major applications for PAM is sludge dewatering in municipal waste water treatment plants (MWWTPs).
- What is cationic polyacrylamide (CPAM)?
- Cationic polyacrylamide (cPAM), a linear water-soluble and high-molecular polymeric compound with cationic charges, can effectively enhance solid-liquid separation through charge neutralization and interparticle bridging and is widely used worldwide ( Campos et al., 2008; Dai et al., 2014).
- Are cationic polyacrylamide copolymers harmful to the environment?
- Environ Sci Eur. 2018; 30 (1): 16. Cationic polyacrylamide copolymers (PAMs) are used for sludge dewatering in municipal waste water treatment and might enter the environment by spreading of the sludge on agricultural land. Concern has been expressed since little is known about the degradation of PAMs in soils.
- What is ionic polyacrylamide?
- The ionic forms of polyacrylamide has found an important role in the potable water treatment industry. Trivalent metal salts, like ferric chloride and aluminum chloride, are bridged by the long polymer chains of polyacrylamide. This results in significant enhancement of the flocculation rate.
