公开(公告)号：EP1476638A2

公开(公告)日：2004-11-17

申请号：EP03707612.2

申请日：2003-01-30

申请人： Geo-x Systems Ltd.

发明人： HARMON, Jerald, L. ,  BELL, William, T.

IPC分类号： E21B43/116

CPC分类号： E21B43/11857 ,  G01V1/42

摘要： A method of determining the extent of detonation of a Well Perforating Gun is disclosed. The Perforating Gun (140) is positioned in a borehole (170) and the detonation is initiated at one point on the essentially curvilinear array of explosive charges. (890) Seismic waves emanate from the series of explosions, propagate away from the Perforating Gun and are detected at a distance away from the Perforating Gun using seismic receivers consisting of single or arrayed transducers of conventional design. The seismic receivers (100) may be placed at or near the earth's surface and/or in one or more boreholes. The recorded seismic waves are processed and analyzed, and may be decomposed through a novel inversion process. The combined results are further analyzed to determine the extent of detonation including whether the gun fired or not, and if there was a misfire or partial misfire, the quantitative extent of the detonation.

公开(公告)号：EP0981767B1

公开(公告)日：2007-03-14

申请号：EP98921308.7

申请日：1998-05-15

申请人： Geo-x Systems Ltd.

发明人： HARMON, Jerald, L.

IPC分类号： G01V1/00

CPC分类号： G01V1/223

摘要： A seismic data acquisition system is featured that utilizes a series of nearly identical seismic shots (SISS) to synchronize and to communicate with novel data acquisition units (NDAU) located in the field. Each SISS seismic shot is carefully timed to provide synchronization to each NDAU, and to allow the NDAU to correct for the time drift of its internal clock. Further, each NDAU is programmed with a number of menus, which are used to interpret the seismic shots received from a seismic source. Thus, communication from a central or headquarter site to each NDAU is facilitated, allowing for a change in production schedule and other variables. In addition, the disclosed seismic data acquisition system features movable SISS source sites and overlapping production and SISS shots.

公开(公告)号：EP0981767A1

公开(公告)日：2000-03-01

申请号：EP98921308.7

申请日：1998-05-15

申请人： Geo-x Systems Ltd.

发明人： HARMON, Jerald, L.

IPC分类号： G01V1/00

CPC分类号： G01V1/223

摘要： A seismic data acquisition system is featured that utilizes a series of nearly identical seismic shots (SISS) to synchronize and to communicate with novel data acquisition units (NDAU) located in the field. Each SISS seismic shot is carefully timed to provide synchronization to each NDAU, and to allow the NDAU to correct for the time drift of its internal clock. Further, each NDAU is programmed with a number of menus, which are used to interpret the seismic shots received from a seismic source. Thus, communication from a central or headquarter site to each NDAU is facilitated, allowing for a change in production schedule and other variables. In addition, the disclosed seismic data acquisition system features movable SISS source sites and overlapping production and SISS shots.