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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US40152343 Apr 197529 Mar 1977Apparatus for measuring and for wireless transmission of measured values from a bore hole transmitter to a receiver aboveground
US405778119 Mar 19768 Nov 1977Well bore communication method
US40877813 May 19762 May 1978Raytheon CompanyElectromagnetic lithosphere telemetry system
US41785795 Oct 197611 Dec 1979TRW Inc.Remote instrumentation apparatus
US421374014 Jul 197822 Jul 1980Dresser Industries, Inc.Oilfield pump stroke monitor
US429304631 May 19796 Oct 1981Applied Technologies AssociatesSurvey apparatus, method employing angular accelerometer
US438737219 Mar 19817 Jun 1983Tele-Drill, Inc.Point gap assembly for a toroidal coupled telemetry system
US45326141 Jun 198130 Jul 1985Wall bore electrical generator
US466193214 Dec 198328 Apr 1987Hughes Tool Company - USADynamic downhole recorder
US473620431 Dec 19865 Apr 1988NL Industries, Inc.Method and apparatus for communicating with downhole measurement-while-drilling equipment when said equipment is on the surface
US479179717 Feb 198820 Dec 1988NL Industries, Inc.Density neutron self-consistent caliper
US483964410 Jun 198713 Jun 1989Schlumberger Technology Corp.System and method for communicating signals in a cased borehole having tubing
US51573921 Oct 199020 Oct 1992Halliburton Logging Services, Inc.Telemetry network for downhole multistation seismic recording tools

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