发明名称 CORING TOOLS FOR MANAGING HYDRAULIC PROPERTIES OF DRILLING FLUID AND RELATED METHODS
摘要 A coring bit for use on a coring tool for extracting a sample of subterranean formation from a well bore includes a bit body having a cavity, wherein a throat portion of the cavity extends into the bit body from a face of the bit body. The coring bit includes a sleeve disposed within the cavity of the bit body, the sleeve configured to separate a face discharge channel and a throat discharge channel. The face discharge channel is located radially outward of the sleeve and the throat discharge channel is located radially inward of the sleeve. A method of repairing a such a coring includes removing the sleeve from the cavity of a bit body.
申请公布号 US2016258223(A1) 申请公布日期 2016.09.08
申请号 US201514640656 申请日期 2015.03.06
申请人 Baker Hughes Incorporated 发明人 Uhlenberg Thomas;Fulda Christian
分类号 E21B10/60;E21B10/02 主分类号 E21B10/60
代理机构 代理人
主权项 1. A coring bit for use on a coring tool for extracting a sample of subterranean formation from a well bore, comprising: a bit body having a cavity, wherein a throat portion of the cavity extends into the bit body from a face of the bit body; and a sleeve disposed within the cavity of the bit body, the sleeve configured to separate at least one face discharge channel and a throat discharge channel, the at least one face discharge channel located radially outward of the sleeve, the throat discharge channel located radially inward of the sleeve.
地址 Houston TX US