中国西部科技
中國西部科技
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SCIENCE AND TECHNOLOGY OF WEST CHINA
2015年
8期
34-37
,共4页
全液压钻机%螺旋钻杆%絮凝剂%排粉
全液壓鑽機%螺鏇鑽桿%絮凝劑%排粉
전액압찬궤%라선찬간%서응제%배분
full hydraulic%drilling rig%spiral drill%pipe flocculant fly
针对复杂构造附近地应力集中区井下深立孔钻进过程中排粉困难，遇岩层破碎并有软岩，孔壁坍塌、缩径，影响成孔率等问题，采用大功率、大扭矩、低转速全液压钻机，配合大通径凹槽地质螺旋钻杆复合排粉钻进，PAM水溶液配制絮凝剂定孔深、定量洗孔等技术工艺，取得了较好的效果。
針對複雜構造附近地應力集中區井下深立孔鑽進過程中排粉睏難，遇巖層破碎併有軟巖，孔壁坍塌、縮徑，影響成孔率等問題，採用大功率、大扭矩、低轉速全液壓鑽機，配閤大通徑凹槽地質螺鏇鑽桿複閤排粉鑽進，PAM水溶液配製絮凝劑定孔深、定量洗孔等技術工藝，取得瞭較好的效果。
침대복잡구조부근지응력집중구정하심립공찬진과정중배분곤난，우암층파쇄병유연암，공벽담탑、축경，영향성공솔등문제，채용대공솔、대뉴구、저전속전액압찬궤，배합대통경요조지질라선찬간복합배분찬진，PAM수용액배제서응제정공심、정량세공등기술공예，취득료교호적효과。
Aiming at the complicated structures near the stress concentration area, underground deep hole drilling in powder difficulties, meet of fractured rock and soft rock, hole wall collapse, necking, impact problem hole rate, adopts the large power, large torque, low speed full hydraulic drilling rig, with large diameter groove geological spiral drill pipe composite fly drilling, PAM water solution compounding flocculant fixed hole depth, quantitative hole cleaning technology, and achieved good results.
