Advanced Cuttings Transport Study Quarterly Technical Report: January-March 2003

One of 11 reports in the title: Advanced Cuttings Transport Study Quarterly Report available on this site.

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Experiments on the flow loop are continuing. Improvements to the software for data acquisition are being made as additional experience with three-phase flow is gained. Modifications are being made to the Cuttings Injection System in order to improve control and the precision of cuttings injection. The design details for a drill-pipe Rotation System have been completed. A US Patent was filed on October 28, 2002 for a new design for an instrument that can generate a variety of foams under elevated pressures and temperatures and then transfer the test foam to a viscometer for measurements of viscosity. Theoretical analyses of … continued below

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41 pages

Creation Information

Reed, Troy; Miska, Stefan; Takach, Nicholas; Ashenayi, Kaveh; Pickell, Mark; Volk, Len et al. April 30, 2003.

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Description

Experiments on the flow loop are continuing. Improvements to the software for data acquisition are being made as additional experience with three-phase flow is gained. Modifications are being made to the Cuttings Injection System in order to improve control and the precision of cuttings injection. The design details for a drill-pipe Rotation System have been completed. A US Patent was filed on October 28, 2002 for a new design for an instrument that can generate a variety of foams under elevated pressures and temperatures and then transfer the test foam to a viscometer for measurements of viscosity. Theoretical analyses of cuttings transport phenomena based on a layered model is under development. Calibrations of two nuclear densitometers have been completed. Baseline tests have been run to determine wall roughness in the 4 different tests sections (i.e. 2-in, 3-in, 4-in pipes and 5.76-in by 3.5-in annulus) of the flow loop. Tests have also been conducted with aerated fluids at EPET conditions. Preliminary experiments on the two candidate aqueous foam formulations were conducted which included rheological tests of the base fluid and foam stability reports. These were conducted after acceptance of the proposal on the Study of Cuttings Transport with Foam Under Elevated Pressure and Elevated Temperature Conditions. Preparation of a test matrix for cuttings-transport experiments with foam in the ACTF is also under way. A controller for instrumentation to measure cuttings concentration and distribution has been designed that can control four transceivers at a time. A prototype of the control circuit board was built and tested. Tests showed that there was a problem with radiated noise. AN improved circuit board was designed and sent to an external expert to verify the new design. The new board is being fabricated and will first be tested with static water and gravel in an annulus at elevated temperatures. A series of viscometer tests to measure foam properties have begun using foam generated by the Dynamic Test Facility (DTF). Investigation of techniques to measure foam quality and size, size distribution and shape of bubbles is continuing.

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41 pages

Notes

OSTI as DE00824434

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  • Other Information: PBD: 30 Apr 2003

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Office of Scientific & Technical Information Technical Reports

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  • April 30, 2003

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Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • June 28, 2019, 2:51 p.m.

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Reed, Troy; Miska, Stefan; Takach, Nicholas; Ashenayi, Kaveh; Pickell, Mark; Volk, Len et al. Advanced Cuttings Transport Study Quarterly Technical Report: January-March 2003, report, April 30, 2003; United States. (https://digital.library.unt.edu/ark:/67531/metadc781372/: accessed May 22, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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