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Novel drilling equipment allows downhole flexibility

Journal Article · · Oil and Gas Journal; (United States)
OSTI ID:6944785
 [1];  [2]
  1. Stress Engineering Services Inc., Houston, TX (United States)
  2. Texas A and M Univ., College Station, TX (United States). Ocean Drilling Program
The Deep Sea Drilling Project (DSDP) and Ocean Drilling Program (ODP) have developed numerous downhole tools and systems that have already found or might soon find applications in oil and gas exploration. Other potential applications for these coring tools, drillstring designs, and bottom hole assemblies (BHAs) include offshore mineral and resource evaluation, offshore geotechnical engineering, environmental monitoring, geothermal energy research hazardous waste disposal/site qualification, and general geoscience research. This new technology is expected eventually to become used by industry and benefit all participants. To date, little of the anticipated technological spin-off has occurred. Both DSDP and ODP have had limited formal technological reporting, and their engineers have not worked under a publish-or-perish mandate. This paper describes the drillship, drilling equipment, stress analysis software, a multipurpose BHA, drill-in casing, reentry system, hard rock guidebase, and a freefall reentry cone.
OSTI ID:
6944785
Journal Information:
Oil and Gas Journal; (United States), Journal Name: Oil and Gas Journal; (United States) Vol. 93:3; ISSN OIGJAV; ISSN 0030-1388
Country of Publication:
United States
Language:
English

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