A telemetry system, method and computer-readable recording medium are provided, the method including inducing a first pressure pulse in drilling fluid, which first pressure pulse has a leading pressure transition and a trailing pressure transition. Pressure variations are read at three or more locations, and the resulting pressure signals are used to determine a time between the leading and trailing pressure transitions.
申请公布号
EP2592446(A2)
申请公布日期
2013.05.15
申请号
EP20130153092
申请日期
2010.06.21
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
PILLAI, BIPIN, K.;MARSH, LABAN, M.;DUDLEY, JAMES, H.;SPROSS, RONALD, L.