SEISMIC SURVEY METHOD - BP EXPLORATION OPERATING

Title:

SEISMIC SURVEY METHOD

Document Type and Number:

WIPO Patent Application WO/2009/144444

Kind Code:

A3

Abstract:

A method of conducting a seismic survey comprising using at least one seismic source operable to emit an acoustic signal comprises: - providing a first receiver line extending in a first direction across a region of the ground to be surveyed; - locating at least one seismic receiver at a point on the first receiver line, the seismic i receiver(s) being adapted to record reflected acoustic signals emitted by the seismic source(s); - providing a first pre-determined shot line having a plurality of shot points along its length, extending in a second direction and along which the seismic source(s) is movable; - operating the or one of the seismic source(s) to emit an acoustic signal at a first shot point on the pre-determined shot line, the reflection of the acoustic signal being recorded by the or one of the seismic receiver(s); and - operating the or one of the seismic source(s) to emit another acoustic signal at a second shot point on the pre-determined shot line, the reflection of the another acoustic signal being recorded by the or one of the seismic receiver(s); characterised in that at least one of the first receiver line and the first pre-determined shot line passes through or at least partially along a generally horizontal borehole extending through the region of the ground to be surveyed and the first pre-determined shot line transects the first receiver line.

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Inventors:

ALLEN ANTHONY JOSEPH (GB)
FOSTER MARK STUART (GB)
HOWE DAVID JOHN (GB)

Application Number:

PCT/GB2009/001272

Publication Date:

November 04, 2010

Filing Date:

May 20, 2009

Export Citation:

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Assignee:

BP EXPLORATION OPERATING (GB)
ALLEN ANTHONY JOSEPH (GB)
FOSTER MARK STUART (GB)
HOWE DAVID JOHN (GB)

International Classes:

G01V1/00; G01V1/42

Domestic Patent References:

WO1998015850A1

1998-04-16

Foreign References:

GB2355477A	2001-04-25
EP0780701A1	1997-06-25
US20030202425A1	2003-10-30
US5886255A	1999-03-23
US20020092701A1	2002-07-18

Attorney, Agent or Firm:

COLLINS, Frances, Mary 2 (Global Patents & Technology Law Chertsey Road,Sunbury on Thames, Middlesex TW16 7LN, GB)

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