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2018 | OriginalPaper | Buchkapitel

14. Core Handling

verfasst von : Rahman Ashena, Gerhard Thonhauser

Erschienen in: Coring Methods and Systems

Verlag: Springer International Publishing

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Abstract

When the core barrel containing the core column reaches the surface, the inner tube should be safely handled so that the contained core undergoes the least damage (inferred from Skopec 1992, 1994; Hettema et al. 2002; Shafer 2013; Owens and Evans 2013). To achieve this, in the beginning, a systematic and careful planning is a requirement, which also involves selection of the proper tools in the core barrel (such as disposable inner tubes, NRITS) and the surface handling tools. Next, the proper communication between all the involved, already-trained personnel is required to guarantee the success of the operation.

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Vorheriges Kapitel Other Coring Systems

Nächstes Kapitel Coring Providers and Patents

Examples of core barrel sizes are: 3 ½ * 1 ¾, 4 1/8 * 2 1/8, 4 ¾ * 2 5/8, 5 ¾ * 3 1/3, 6 ¼ * 4, 6 ¾ * 4, 7 5/8 * 5 ¼. It is noted that the first number is the OD of the outer tube and the second is the ID of the inner tube.

The surface gamma logging service was developed after the 1980s and is still popular. It is used prior to stabilizing and preserving the core in order to obtain reservoir data particularly for quick identification of pay zones.

Liners can be also fiberglass or PVC, but aluminum liners are less prone to flex than their equivalents (Hettema et al. 2002).

Al Neaimi, M.A., A.S. Tee, D. Boyd, R. Al Shehhi, E.A. Mohamed, K.M.N Namboodiri, H.A. Junaibi, M. Al Zaabi, H. Al Braik, S. Ftes, A.K. Medjiah, A. Farouz, B. Gao, M. Gay, S.M. Tariq, B. Fudge, P. Collett, T. Gill, A. Abdul-hamid, B. Schipper, and M. Sheldon. 2014. Acquisition of an Elevated Pressure Core in a Gas Flooded Carbonate Oil Reservoir: Design and Operational Challenges, SPE 171815 MS. Presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 10–13.

American Petroleum Institute (API). 1998. Wellsite Core Handling Procedures and Preservation. Recommended Practice-40 (RP-40).

Hettema, M.H.H., T.H. Hanssen, and B.L. Jones. 2002. Minimizing Coring-Induced Damage in Consolidated Rock, SPE-78156-MS. Presented at the SPE/ISRM Rock Mechanics Conference, 20–23 October, Irving, Texas

Nnoaham, I., and D. Marchall. 2010. Improving Deepwater core Recovery and Onsite handling Through Strategic Coring Protocol, SPE 140628 MS. Presented at the 34th Annual SPE International Conference and Exhibition, Tinapa-Calabar, Nigeria.

Owens, J., and Evans, R.D. 2013. Extreme HPHT Coring, Handling and Analysis: Securing the Value Chain, Presented at the International Symposium of the Societ of Core Analysts, Sep. 16–19, Napa Valley, California, USA.

Shafer, J. 2013. Recent Advances in Core Analysis. Petrophysics 54(6): 554–579.

Skopec, R.A., M.M. Mann, D. Jeffers, and S.P. Grier. 1992. Horizontal Core Acquisition and Orientation for Formation Evaluation. SPE Drilling Engineering Journal, March, pp. 47–54.

Skopec, R.A. 1994. Proper Coring and Wellsite Core Handling Procedures: The First Step Toward Reliable Core Analysis, SPE 28153-PA. Journal of Petroleum Technology (JPT).

Whitebay, L.E. 1986. Improved Coring and Core-Handling Procedures for the Unconsolidated Sands of the Green Canyon Area, Gulf of Mexico, SPE 15385 MS. Presented at the SPE Annual Technical Conference and Exhibition, 5–8 October, New Orleans, Louisiana.

Titel: Core Handling
verfasst von: Rahman Ashena
Gerhard Thonhauser
Verlag: Springer International Publishing
Buch: Coring Methods and Systems
Print ISBN: 978-3-319-77732-0

Electronic ISBN: 978-3-319-77733-7

Copyright-Jahr: 2018
DOI: https://doi.org/10.1007/978-3-319-77733-7_14