Invention Grant
US08573326B2 Method and apparatus to adjust weight-on-bit/torque-on-bit sensor bias
有权
调整位重/位转传感器偏置的方法和装置
- Patent Title: Method and apparatus to adjust weight-on-bit/torque-on-bit sensor bias
- Patent Title (中): 调整位重/位转传感器偏置的方法和装置
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Application No.: US13085222Application Date: 2011-04-12
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Publication No.: US08573326B2Publication Date: 2013-11-05
- Inventor: Tu Tien Trinh , Eric Sullivan
- Applicant: Tu Tien Trinh , Eric Sullivan
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: Cantor Colburn LLP
- Main IPC: E21B47/00
- IPC: E21B47/00

Abstract:
Apparatuses and methods for adjusting weight-on-bit/torque-on-bit sensor bias in a drill bit. The apparatus may include a bit adjustment device disposed at least partially in a cavity in a bit shank. The bit adjustment device includes electronics and sensors for estimating a weight-on-bit/torque-on-bit bias. The method includes adjusting the weight-on-bit/torque-on-bit sensor bias of a drill bit. The method may include adjusting force on a bit adjustment device to adjust weight-on-bit/torque-on-bit sensor bias. The method may also include securing the bit adjustment device within the cavity of the bit shank after the desired weight-on-bit/torque-on-bit sensor bias has been achieved.
Public/Granted literature
- US20110272195A1 Method and Apparatus to Adjust Weight-On-Bit/Torque-On-Bit Sensor Bias Public/Granted day:2011-11-10
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