发明名称 |
METHODS AND SYSTEMS FOR DRILLING |
摘要 |
A method of assessing hole cleaning effectiveness of drilling comprises a) determining a mass of cuttings removed from a well wherein determining the mass of cuttings removed from a well comprises: i) measuring a total mass of fluid entering a well; ii) measuring a total mass of fluid exiting the well; and iii) determining a difference between the total mass of fluid exiting the well and total mass of fluid entering the well; b) determining a mass of rock excavated in the well; and c) determining a mass of cuttings remaining in the well wherein determining the mass of cuttings remaining in the well comprises: determining a difference between the determined mass of rock excavated in the well and the determined mass of cuttings removed from the well. |
申请公布号 |
US2014041941(A1) |
申请公布日期 |
2014.02.13 |
申请号 |
US201313960315 |
申请日期 |
2013.08.06 |
申请人 |
SHELL OIL COMPANY |
发明人 |
EDBURY DAVID ALSTON;GUERRERO JOSE VICTOR;MACDONALD DUNCAN CHARLES;ROGERS JAMES BRYON;SITTON DONALD RAY;NORMAN JASON |
分类号 |
E21B21/08;E21B44/00 |
主分类号 |
E21B21/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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