Patent · US Expired

System and method for drilling wellbores

US7849935B2 · kind B2 · utility

2Cited by
4References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 2005
Grant dateDec 14, 2010
Priority date
Expiry dateMay 17, 2026

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B23/14
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A system and method are provided for drilling a wellbore. The wellbore is formed with a drilling tool that cuts through a formation. A pumping system removes cuttings from the drilling tool and also transports the cuttings along at least a portion of the wellbore formed behind the drilling tool.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.