Reference health
Potential Implementation of Underbalanced Drilling Technique in Egyptian Oil Fields
2 of 23 checkable references need attention · checked 2026-07-23
At the dated check, the references listed below either did not resolve in Crossref or DataCite, or carried a retraction notice. Each one is shown with the registry record that put it there.
18 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.
References needing attention
does not resolve to a known work10.2523/18670-MS
does not resolve to a known work10.2523/21988-MS
The 21 checked references that resolve
resolves10.2118/1094-G
Laboratory Study of Effect of Overburden, Formation and Mud Column Pressures on Drilling Rate of Permeable Formations
resolves10.2118/105536-MS
First Application of Underbalanced Drilling in Fractured Carbonate Formations of Iranian Oil fields Leads to Operational Success and Cost Savings
resolves10.2118/5712-PA
Preformed Stable Foam Performance in Drilling And Evaluating Shallow Gas Wells in Alberta
resolves10.2118/99165-MS
Underbalanced Drilling Borehole Stability Evaluation and Implementation in Depleted Reservoirs, San Joaquin Field, Eastern Venezuela
resolves10.2118/13112-MS
Case History: Underbalance Drilling the Midway and Navarro Formations Successfully in Hallettsville, TX
resolves10.2118/83637-PA
Wellbore Stability Simulations for Underbalanced Drilling Operations in Highly Depleted Reservoirs
resolves10.2118/14734-MS
Drilling With a Parasite Aerating String in the Disturbed Belt, Gallatin County, Montana
resolves10.2118/92484-MS
Hydraulics of Drilling with Aerated Muds under Simulated Borehole Conditions
The 18 references without a DOI — listed, not checked
no DOI — not checkedField Verification of the Effect of Differential Pressure on Drilling Rate
no DOI — not checkedA Multiple Regression Approach to Optimal Drilling and Abnormal Pressure Detection
no DOI — not checkedGeorge
E.
and Ralpha A.Waston, "Review of Air and Gas Drilling", SPE 703-G, Petroleum Branch Fall Meeting in Los Angeles, October, 1956.
no DOI — not checkedBoyun, Guo and Rajtar, J.M., "Volume Requirements for Aerated Mud Drilling", SPE 26956-PA, Drilling and Completion, California Regional Meeting held in Ventura, September, 1995.
no DOI — not checkedSalah
El-Din
M.A.
El-Katatney
, "Implementation of Underbalanced Drilling Technique in Egyptian Fields" M.Sc. Thesis, Cairo University, Egypt2009.
no DOI — not checkedLaboratory Simulation of Deep Well Drilling
no DOI — not checkedUnderbalanced Drilling and Completion Manual
no DOI — not checkedDesigning Under- and Near-Balanced Coiled-Tubing Drilling by Use of Computer Simulations
no DOI — not checkedInternational Association of Drilling Contractor, "IADC well classification system for Underbalanced Operations and managed Pressure Drilling", http://www.iadc.org/committees/underbalanced, March, 2005.
no DOI — not checkedThe Cutting Carrying Capacity of Air at Pressure above Atmospheric
no DOI — not checkedAir Drilling Operation Improved by Percussion-Bit/Hammer-Tool Tandem
no DOI — not checkedDrilling Underbalanced in Hassi Messaud
no DOI — not checkedLeading Edge Advantage Ltd. – Introduction to Underbalanced Drilling Manual
no DOI — not checkedThe Successful Application of Underbalanced Drilling Technology for Reservoir Evaluation and Drilling Performance Improvement in Kuwait
no DOI — not checkedUnderbalanced Drilling Primer
no DOI — not checkedUnderbalanced Drilling Through Oil Production Zones With Stable Foam in Oman
no DOI — not checkedOperational Sequence in UBD (ROAD MAP)
no DOI — not checkedTecominoacan 408: First Underbalance application in MEXECO
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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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checked 2026-07-23 — re-checked daily as this page is visited; titles and statuses come from Crossref and DataCite and are not part of the signed record
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