发明公开
- 专利标题: SEAFLOOR SEISMIC RECORDER
- 专利标题(中): 海底SEISMIESCHEN录音机。
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申请号: EP92920235.0申请日: 1992-09-10
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公开(公告)号: EP0681705A1公开(公告)日: 1995-11-15
- 发明人: DONOHO, Paul, L. , PETERSON, Mitchell, F. , RYDER, Hughie , KEELING, William, H.
- 申请人: CHEVRON RESEARCH AND TECHNOLOGY COMPANY
- 申请人地址: P.O. Box 7141, 525 Market Street San Francisco, CA 94120-7141 US
- 专利权人: CHEVRON RESEARCH AND TECHNOLOGY COMPANY
- 当前专利权人: CHEVRON RESEARCH AND TECHNOLOGY COMPANY
- 当前专利权人地址: P.O. Box 7141, 525 Market Street San Francisco, CA 94120-7141 US
- 代理机构: Müller-Boré & Partner Patentanwälte
- 优先权: US19910757155 19910910
- 国际公布: WO1993005411 19930318
- 主分类号: G01V1
- IPC分类号: G01V1
摘要:
A method and apparatus for recording acoustical and seismic signals at the ocean bottom with minimal noise. A seafloor seismic recorder (101) couples geophones to the water bottom, stores the seismic data, and is retrievable. The device is comprised of a chassis (103), a ballast ring (113), an electronics control package (123), a geophone package (141), a buoy means (171), and a leg extension means. The geophone package (141) is disconnectably connected to the portion of the control package housing (123), so that the geophone package (141) can remain coupled to the seafloor, when the control package (123) and chassis (103) rise toward the surface for a short distance. The buoy means (171) permits the ballast ring (113) and geophone package (141) to become embedded in the sediment upon impact, and allows the chassis (103), geophone package (141), and control package (123) to rise to the surface upon release of the ballast ring (113). Leg members (107) can be partially extended to cause the chassis (103) and control package (123) to rise toward the surface for a short distance, to isolate the geophone package (141) from the control package (123) and chassis (103) during recording operations.
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