Sensor Ball: Modernized Logging

Buzi, Erjola; Seren, Hüseyin R.; Hillman, Thomas; Thiel, Timothy; Deffenbaugh, Max; Bukhamseen, Ahmed; Zeghlache, Mohamed Larbi

doi:10.2118/204791-ms

Cited by 2 publications

References 1 publication

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Compact Viscosity Sensors for Downhole Enhanced Oil Recovery Polymer Fluid Degradation Monitoring

Gonzalez,

Ayirala,

Maskeen

et al. 2024

SPE Journal

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Summary There are currently no technologies available to measure polymer solution viscosities at realistic downhole conditions in a well during enhanced oil recovery (EOR). In this paper, custom-made probes using quartz tuning fork (QTF) resonators are demonstrated for measurements of viscosity of polymer fluids in the laboratory. The electromechanical response of the resonators was calibrated in simple Newtonian fluids and in non-Newtonian polymer fluids at different concentrations. The responses were then used to measure field-collected samples of polymer injection fluids. In the polymer fluids, the measured viscosity values by tuning forks were lower than those measured by the conventional rheometer at 6.8 s−1, closer to the solvent viscosity values. However, the predicted rheometer viscosity vs. QTF-measured viscosity showed a distinct exponential correlation (R2=0.9997), allowing for an empirical calibration between the two viscometers for fluids having the same solvent and polymer compositions. The QTF sensors produced acceptable viscosity measurements of polymer fluids within the required polymer concentration ranges used in the field and predicted field sample viscosities with less than 1–2 cp (or 10–20%) error from the rheometer data. Results were validated based on separate independent tests where the devices were used to measure the viscosity of Newtonian fluids and non-Newtonian polymer fluids in a series of consecutive dip tests, simulating more realistic usage. These devices can be used to measure either the “relative” viscosity changes from a polymer solution prior and post-injection or to measure a “calibrated” viscosity via empirical exponential correlation. The compact QTF sensors developed in this study can be easily integrated into portable systems for laboratory or wellsite deployment as well as logging tools for downhole deployment. This work also demonstrates the ability of these QTF devices to make sensitive viscosity measurements at high-frequencies, opening opportunities for their use in high-frequency rheology studies of EOR fluids.

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Compact Viscosity Sensors for Downhole Enhanced Oil Recovery Polymer Fluid Degradation Monitoring

Gonzalez,

Ayirala,

Maskeen

et al. 2024

SPE Journal

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New Innovative Cost-Effective Methodology of Conducting Wells Surveillance Activities

Al‐Ghamdi

Alsana

Yateem

et al. 2023

Day 4 Thu, May 04, 2023

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Objective/Scope This paper describes the second phase of sensor ball to retrieve production parameters downhole an oil well. Data retrieved from the sensor ball was compared to the conventional methodology; i.e. slickline. The paper also explains the advantages of using the sensor ball compared to the utilization of heavy equipment and the interlinked logistics and manpower. Methods, Procedures, Process Pressure and temperature surveys are required to measure the changes in the reservoir pressure and provide an image of the well downhole conditions especially for tubing and casing integrities. Conventional methodology of carrying out a basic surveillance activity for pressure and temperature surveys is through slickline work. A new breakthrough technology that was developed is the sensor ball, that is being used as a vehicle traveling downhole of the well logging data, such as pressure, temperature, casing collar locators and others under development. The second generation of the sensor ball has been successfully trial tested in live wells by dropping the ball freefalling then retrieved back to the surface. Results, Observations, Conclusions Data were retrieved, then crossed check with slickline data ran in the same well. This technology will provide great cost saving, especially on expensive offshore resources, avoiding the need for the barge to carry out simple jobs that can be replaced by the sensor ball, Moreover, the technology will be utilized to eliminate the risk of slickline activities. In this paper, technology, methodology field trial data will be shared with the rest of the industry. Novel/Additive Information This industrial revolution IR 4.0 technology is of paramount importance to the oil and gas industry. The easiness of the conveyance method will result in efficient and timely well surveillance. Therefore, the water cut of the oil wells can be controllable along with other parameters such as gas oil ratio.

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Sensor Ball: Modernized Logging

Cited by 2 publications

References 1 publication

Compact Viscosity Sensors for Downhole Enhanced Oil Recovery Polymer Fluid Degradation Monitoring

Compact Viscosity Sensors for Downhole Enhanced Oil Recovery Polymer Fluid Degradation Monitoring

New Innovative Cost-Effective Methodology of Conducting Wells Surveillance Activities

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