发明公开
- 专利标题: SYSTEMS AND METHODS FOR HYDRAULIC BALANCING DOWNHOLE CUTTING TOOLS
- 专利标题(中): 系统和方法的孔刀具液压平衡
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申请号: EP12816613.9申请日: 2012-12-28
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公开(公告)号: EP2917475A1公开(公告)日: 2015-09-16
- 发明人: SAMUEL, Robello
- 申请人: Halliburton Energy Services, Inc.
- 申请人地址: 10200 Bellaire Boulevard Houston, TX 77072 US
- 专利权人: Halliburton Energy Services, Inc.
- 当前专利权人: Halliburton Energy Services, Inc.
- 当前专利权人地址: 10200 Bellaire Boulevard Houston, TX 77072 US
- 代理机构: Hoffmann Eitle
- 国际公布: WO2014105038 20140703
- 主分类号: E21B44/04
- IPC分类号: E21B44/04 ; E21B10/26 ; E21B10/61
摘要:
Disclosed are systems and methods of balancing weight and hydraulic energy distribution between downhole cutting tools. One system includes a drill bit (102) arranged at a distal end of the bottom- hole assembly (100), a first sensor sub (112a) arranged proximate to the drill bit and configured to monitor weight-on-bit, a reamer (104) axially- offset from the drill bit on the bottom-hole assembly, a second sensor sub (112b) arranged proximate to the reamer and configured to monitor weight-on-reamer, and a communications module (114) communicably coupled to both the first and second sensor subs and configured to receive and process the weight-on- bit and the weight-on-reamer and adjust a hydraulic energy input to at least one of the drill bit and the reamer when a ratio between the weight-on-bit and the weight-on-reamer surpasses a predetermined operating threshold.
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