Invention Grant
- Patent Title: Methods to estimate downhole drilling vibration amplitude from surface measurement
- Patent Title (中): 从表面测量估计井下钻孔振动振幅的方法
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Application No.: US13386859Application Date: 2010-08-06
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Publication No.: US08977523B2Publication Date: 2015-03-10
- Inventor: Mehmet Deniz Ertas , Jeffrey R. Bailey , Damian N. Burch , Lei Wang , Paul E. Pastusek , Shankar Sundararaman
- Applicant: Mehmet Deniz Ertas , Jeffrey R. Bailey , Damian N. Burch , Lei Wang , Paul E. Pastusek , Shankar Sundararaman
- Applicant Address: US TX Houston
- Assignee: ExxonMobil Upstream Research Company
- Current Assignee: ExxonMobil Upstream Research Company
- Current Assignee Address: US TX Houston
- Agency: ExxonMobil Upstream Research Company—Law Department
- International Application: PCT/US2010/044732 WO 20100806
- International Announcement: WO2011/017626 WO 20110210
- Main IPC: G06F7/60
- IPC: G06F7/60 ; E21B45/00 ; E21B44/00 ; E21B7/28 ; G05B15/02
Abstract:
Method to estimate severity of downhole vibration for a drill tool assembly, including: identifying a dataset comprising selected drill tool assembly parameters; selecting a reference level of downhole vibration amplitude for the drill tool assembly; identifying a surface drilling parameter and calculating a reference surface vibration attribute for the selected reference level of downhole vibration amplitude; determining a surface parameter vibration attribute derived from at least one surface measurement or observation obtained in a drilling operation, the determined surface parameter vibration attribute corresponding to the identified surface drilling parameter; and estimating a downhole vibration severity indicator by evaluating the determined surface parameter vibration attribute with respect to the identified reference surface vibration attribute.
Public/Granted literature
- US20120130693A1 Methods to Estimate Downhole Drilling Vibration Amplitude From Surface Measurement Public/Granted day:2012-05-24
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