Effervescent tablet for enhanced oil recovery and enhanced oil recovery method using the same

    公开(公告)号:US12139666B1

    公开(公告)日:2024-11-12

    申请号:US18650499

    申请日:2024-04-30

    Abstract: The effervescent tablet for enhanced oil recovery is made of multi-walled carbon nanotubes (MWCNTs), sodium dodecyl sulfate (SDS), sodium phosphate monobasic (NaH2PO4), and sodium carbonate (Na2CO3). To perform enhanced oil recovery, a suspension is first prepared by adding the effervescent tablet to water. This preparation may be performed at room temperature. Steam is then injected into the oil well, followed by flooding the oil well with the suspension. One-third of the pore volume of an oil reservoir of the oil well may be injected with the steam, and two-thirds of the pore volume of the oil reservoir may be flooded with the suspension.

    Apparatus for testing the stability of dispersed particles in flowing suspensions

    公开(公告)号:US11353386B1

    公开(公告)日:2022-06-07

    申请号:US17182193

    申请日:2021-02-22

    Abstract: The apparatus for testing the stability of dispersed particles in flowing suspensions includes a sample receiving cup having a lower wall and an open upper end. A cup outlet is disposed in the lower wall, and the sample receiving cup is adapted for receiving a suspension sample through the open upper end. A pump is in fluid communication with the sample receiving cup through the cup outlet. The pump extracts the suspension sample through the cup outlet to produce a pressurized suspension stream. A recirculation pipe has a pipe inlet and a pipe outlet, the pipe inlet being in fluid communication with the pump for receiving the pressurized suspension stream, and the pipe outlet returns the pressurized suspension stream to the sample receiving cup, through the open upper end thereof. A power monitor is in communication with the pump for monitoring the power output of the pump.

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