New system provides continuous quantitative analysis of gas concentration in the mud while drilling

V. C. Kelessidis, G. L. Roberts, J. M. Williams

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Continuous monitoring of hydrocarbon gases in drilling fluids at the surface is essential for identification of prospective reservoir zones as well as for safety reasons. Current methods of gas monitoring have major drawbacks in the extraction process:- the gas trap is inefficient and gives inconsistent results, while the steam still, although efficient, is very labor intensive, and severely limits analysis frequency. Above all is the problem of taking a representative sample of gases reaching the surface; both methods ignore any gas liberated from the mud at the bell nipple. Results from one well showed that the liberated gas can be as much as the gas transported to the possum belly and detected by the gas trap. A new gas analysis system has been developed which determines the total amount of gas in the mud below the bell nipple, with the advantages of being continuous and fully quantitative, without being labor intensive.

Original languageEnglish
Title of host publicationDrilling
PublisherPubl by Soc of Petroleum Engineers of AIME
VolumeDELTA
Publication statusPublished - 1989
Externally publishedYes
EventProceedings: SPE Annual Technical Conference and Exhibition 1989 - San Antonio, TX, USA
Duration: 8 Oct 198911 Oct 1989

Other

OtherProceedings: SPE Annual Technical Conference and Exhibition 1989
CitySan Antonio, TX, USA
Period8/10/8911/10/89

Fingerprint

Drilling fluids
Chemical analysis
Gases
Personnel
Gas fuel analysis
Monitoring
Steam
Hydrocarbons

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Kelessidis, V. C., Roberts, G. L., & Williams, J. M. (1989). New system provides continuous quantitative analysis of gas concentration in the mud while drilling. In Drilling (Vol. DELTA). Publ by Soc of Petroleum Engineers of AIME.

New system provides continuous quantitative analysis of gas concentration in the mud while drilling. / Kelessidis, V. C.; Roberts, G. L.; Williams, J. M.

Drilling. Vol. DELTA Publ by Soc of Petroleum Engineers of AIME, 1989.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kelessidis, VC, Roberts, GL & Williams, JM 1989, New system provides continuous quantitative analysis of gas concentration in the mud while drilling. in Drilling. vol. DELTA, Publ by Soc of Petroleum Engineers of AIME, Proceedings: SPE Annual Technical Conference and Exhibition 1989, San Antonio, TX, USA, 8/10/89.
Kelessidis VC, Roberts GL, Williams JM. New system provides continuous quantitative analysis of gas concentration in the mud while drilling. In Drilling. Vol. DELTA. Publ by Soc of Petroleum Engineers of AIME. 1989
Kelessidis, V. C. ; Roberts, G. L. ; Williams, J. M. / New system provides continuous quantitative analysis of gas concentration in the mud while drilling. Drilling. Vol. DELTA Publ by Soc of Petroleum Engineers of AIME, 1989.
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