(HP-67) Geochemical Engineering Reference Manual

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An extract from Geochemical Engineering Reference Manual, Department of Energy (Terra Tek Inc.), TR 84-64, January, 1984, 558 pgs.

"IV-21 References … IV-154
APPENDIX IV-I - Hewlett Packard Calculator (HP-67) Code for the Calculation of Injection Well Temperature Distributions … IV-161
APPENDIX IV-II - Hewlett Packard Calculator (HP-67) Code for Evaluating the Barkman & Davidson Wellbore Narrowing & Invasion Injection Well Impairment Models … IV-165
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A fully documented code written for the HP-67 calculator is provided, as Appendix IV-I, for the estimation of injection temperatures based on Reference 38. The methodology has been extended to calculate both the heating time and the travel distance for an injected element … IV-31
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Calculation of half-life estimates for injection wells based on the Barkman and Davidson model is straightforward but time consuming. A code, written for the Hewlett-Packard Model 67 (HP-67) calculator, is provided as Appendix II. This code calculates injection well half-life using either the wellbore narrowing or invasion models Calculation of half-life estimates for injection wells based on the Barkman and Davidson model is straightforward but time consuming … IV-70"
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Use either the green GeochemEnginRefManual.pdf link or the blue View/Open box to acquire the full text from the University of Hawaii repository.

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