VERY HIGH-SPEED DRILL STRING COMMUNICATIONS NETWORK

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Description

Testing of recent upgrades to the drill pipe telemetry system in a 1000-ft vertical well has shown that the new system can achieve at least 1,000 ft passive transmission distance with sufficient bandwidth to accommodate a digital transmission rate of 2 Mbit/sec. Digitized data from a module at the bottom of the well has been successfully transmitted through the transmission line to the top of the well for a period of approximately one month. Manufacture of 30 prototype range 2 drill pipes has demonstrated greater simplicity of manufacturing and greater consistency of electrical characteristics from part to part, as compared ... continued below

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10 pages

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Pixton, David S. August 1, 2002.

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Description

Testing of recent upgrades to the drill pipe telemetry system in a 1000-ft vertical well has shown that the new system can achieve at least 1,000 ft passive transmission distance with sufficient bandwidth to accommodate a digital transmission rate of 2 Mbit/sec. Digitized data from a module at the bottom of the well has been successfully transmitted through the transmission line to the top of the well for a period of approximately one month. Manufacture of 30 prototype range 2 drill pipes has demonstrated greater simplicity of manufacturing and greater consistency of electrical characteristics from part to part, as compared to the first production run previously reported. Further work is needed to improve the high pressure capability of the system and to improve the robustness of the system in a high-vibration environment.

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10 pages

Notes

OSTI as DE00829805

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  • Other Information: PBD: 1 Aug 2002

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  • Report No.: NONE
  • Grant Number: FC26-01NT41229
  • DOI: 10.2172/829805 | External Link
  • Office of Scientific & Technical Information Report Number: 829805
  • Archival Resource Key: ark:/67531/metadc786567

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • August 1, 2002

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • Jan. 3, 2017, 1:41 p.m.

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Pixton, David S. VERY HIGH-SPEED DRILL STRING COMMUNICATIONS NETWORK, report, August 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc786567/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.