Reference health
Process for Solvent Extraction of Bitumen from Oil Sand
3/3 checkable references clean · checked 2026-07-23
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
10 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 3 checked references that resolve
resolves10.1016/0378-3820(82)90008-X
Solvent extraction of athabasca oil-sand in a rotating mill Part 2. Solids—liquid separation and bitumen quality
resolves10.1002/cjce.5450820416
Analysis of Solvent‐Diluted Bitumen from Oil Sands Froth Treatment Using NIR Spectroscopy
The 10 references without a DOI — listed, not checked
no DOI — not checkedTipman, R. N.; Shaw, R. C.Our Petroleum Future Conference, Edmonton, April 4–7 1993.
no DOI — not checkedref2/cit2
no DOI — not checkedTaciuk, W.; Caple, R.; Goodwin, S.; Taciuk, G.U.S. Patent 5,366,596, 1994.
no DOI — not checkedGraham, R. J.; Helstrom, J. J.; Mehlberg, R. L.Eastern OH Shale Symposium, Hyatt Regency, Lexington, Kentucky, Nov 18–20 1987; pp93–99.
no DOI — not checkedRosenbloom, W. J.U.S. Patent 5,534,136, 1996.
no DOI — not checkedHanson, D. O.; Sherk, F. T.U.S. Patent 4,139,450, 1979.
no DOI — not checkedFarcasiu, M.; Whitehurst, D. D.U.S. Patent 4,046,668, 1976.
no DOI — not checkedref9/cit9
no DOI — not checkedGraham, R. J.; Helstrom, J. J.; Peck, L. B.; Stone, R. A.; U.S. Patent 4,722,782, 1988.
no DOI — not checkedWolff, V. T.Canadian Patent 2,520,943, 2006.
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work were clean at the dated check: each resolved to a known work in a public registry, and none
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or importance of the work itself, and nothing about references deposited without a DOI.
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