模糊正交法在弧形盘式齿破岩性能评价中的应用
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摘要
在硬地层钻进过程中,盘式齿的齿形参数是提高钻头破岩效率的关键。文中以弧形盘式齿为例,应用正交试验对多组齿形参数进行优选,基于ABAQUS软件对优选后的参数组进行仿真分析,并应用模糊数学理论分析仿真结果。其中,以平均切深、破碎体积及平均载荷作为评价指标,最大隶属度原则为评判标准,得出影响破岩性能的主效应因子及多种因素之间的交互效应。结果表明:齿形参数对盘式齿破岩效率的影响程度,从大到小依次为顶圆半径、锥角及分屑槽数量;考虑两两交互效应,顶圆半径和锥角的联合影响对破岩性能的影响较大;考虑全因素之间的交互效应,当锥角为40°、顶圆半径为1 mm、分屑槽为10个时,破岩性能最佳。计算结果为盘式齿的设计应用以及提高钻头破岩效率提供了参考依据。
In hard formation drilling, the tooth shape parameters of disc teeth can significantly improve the efficiency of drilling rock fragmentation. Taking arc disc teeth as an example, orthogonal test is used to optimize the tooth shape parameters of multiple groups of teeth. The simulation analysis of optimal parameter group is based on ABAQUS software, and the fuzzy mathematics theory is used for further analysis of simulation results. Taking the average depth of cutting, crushing volume and average load as evaluation indexes, and using the criterion of maximum membership degree as the criterion of evaluation, the main effect factors which affect the rock breaking performance and the interaction effect among various factors are obtained. Results shows that: the descend order of the influence of tooth shape parameters of disc type teeth on the rock breaking efficiency is the radius of the top circle, the cone angle, and the number of chip-split grooves; considering the interaction effect of the two pairs, the combination of the radius of the top circle and the cone angle has the greatest impact on rock breaking performance; the best rock breaking performance parameters are cone angle 40°, top circle radius 1 mm, number of chip slots 10. The conclusion provides the reference basis for reasonable design disc of tooth and improving the efficiency of drilling rock.
In hard formation drilling, the tooth shape parameters of disc teeth can significantly improve the efficiency of drilling rock fragmentation. Taking arc disc teeth as an example, orthogonal test is used to optimize the tooth shape parameters of multiple groups of teeth. The simulation analysis of optimal parameter group is based on ABAQUS software, and the fuzzy mathematics theory is used for further analysis of simulation results. Taking the average depth of cutting, crushing volume and average load as evaluation indexes, and using the criterion of maximum membership degree as the criterion of evaluation, the main effect factors which affect the rock breaking performance and the interaction effect among various factors are obtained. Results shows that: the descend order of the influence of tooth shape parameters of disc type teeth on the rock breaking efficiency is the radius of the top circle, the cone angle, and the number of chip-split grooves; considering the interaction effect of the two pairs, the combination of the radius of the top circle and the cone angle has the greatest impact on rock breaking performance; the best rock breaking performance parameters are cone angle 40°, top circle radius 1 mm, number of chip slots 10. The conclusion provides the reference basis for reasonable design disc of tooth and improving the efficiency of drilling rock.
引文
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[21]兰乘宇,丁宇奇,刘巨保,等.钻头钻削桥塞过程受力分析与试验研究[J].石油钻探技术,2018,46(1):68-74.
[22]陈汉林.基于GMTS准则的岩石半圆盘试件断裂行为[J].断块油气田,2018,25(2):249-253.
[23]廖勇,谭判,石文睿,等.涪陵页岩气储层产气性评价方法[J].石油钻探技术,2018,46(5):69-75.
[2]刘清友,吴泽兵,马德坤,等.盘式钻头破岩机理仿真分析[J].石油机械,1998,26(9):12-14.
[3]胡琴,刘清友.复合齿形牙轮钻头及其破岩机理研究[J].天然气工业,2006,26(4):77-79.
[4] NIU S W,ZHENG H L,YANG Y X,et al. Experiment study on the rock-breaking mechanism of disc-like hybird bit[J]. Journal of Petroleum Science and Engineering,2018,161:541-550.
[5]林敏,刘八仙,杨迎新,等.类盘式牙轮钻头破岩机理实验研究[J].钻采工艺,2017,40(1):11-13.
[6] ZUO W,E J Q,LIU X L,et al. Orthogonal experimental design and fuzzy grey relational analysis for emitter efficiency of the microcylindrical combustor with a step[J]. Applied Thermal Engineering,2016,103:945-951.
[7] SU L S,ZHANG J B,WANG C J,et al. Identifying main factors of capacity fading in lithium ion cell using orthogonal design of experiments[J]. Applied Energy,2016,163:201-210.
[8]闫春玲,唐益群,王元东,等.循环载荷下加固土体孔压的模糊正交试验分析[J].吉林大学学报(地球科学版),2011,41(3):805-811.
[9]邓嵘,丰波,敖建章,等.牙轮钻头牙齿破岩效率的模糊综合评判方法[J].石油机械,2016,44(3):6-11.
[10]邹德永,孟祥雨,袁军,等.基于模式识别的钻头选型新方法[J].石油钻探技术,2016,44(2):41-45.
[11]居培,翟应虎.应用改进模糊综合评判法优选PDC钻头[J].石油钻探技术,2013,41(1):108-112.
[12]郭汝坤,冯春,李战军,等.牙轮钻工作参数与岩体强度对应关系的理论分析与实验研究[J].岩土工程学报,2016,38(7):1221-1229.
[13]杨先伦,何世明,王涛.高频扭转冲击钻井PDC钻头切削齿瞬间碰撞破岩分析[J].断块油气田,2018,25(6):789-792.
[14]王乐.基于破岩能耗的TBM盘形滚刀的刀刃角设计[D].北京:华北电力大学,2015.
[15]张娜,杨晨,于太彰,等.掘进机刀具的地质适应性分析及选型[J].建筑机械化,2016,37(11):52-55.
[16]杨志彬,胡永章,钟敬敏,等.工程地质因素对钻井提速的影响[J].断块油气田,2010,17(3):363-365.
[17]许定江,练章华,林铁军,等.ABAQUS软件在油气井工程中的应用及分析[J].断块油气田,2016,23(4):518-522.
[18]张晓东,张毅,苟如意,等.基于岩石性能试验的冲旋钻井钻齿破岩仿真[J].石油钻探技术,2014,42(1):105-110.
[19]李希灿.模糊数学方法及应用[M].北京:化学工业出版社,2017:94-95.
[20]李树盛,田代玉,谭春飞,等.牙轮钻头齿圈布置设计分析[J].石油学报,1998,19(2):122-125.
[21]兰乘宇,丁宇奇,刘巨保,等.钻头钻削桥塞过程受力分析与试验研究[J].石油钻探技术,2018,46(1):68-74.
[22]陈汉林.基于GMTS准则的岩石半圆盘试件断裂行为[J].断块油气田,2018,25(2):249-253.
[23]廖勇,谭判,石文睿,等.涪陵页岩气储层产气性评价方法[J].石油钻探技术,2018,46(5):69-75.
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