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- Da26 well is drilled under-balanced, using polysulfonate drilling fluid.No problem appeared until continual sloughing occurred after under balanced drilling. 大26井采用聚磺钻井液进行欠平衡钻井,前期钻井施工顺利,但在欠平衡施工完毕之后,出现了井壁持续掉块现象,不得不通井划眼,电测难以到底。
- Keywords foam muds;foamers;under balanced drilling;fatty alcohol glyceryl ether sulfonates; 泡沫钻井液;起泡剂;欠平衡钻井;脂肪醇甘油基醚磺酸盐;
- Keywords formation damage;non-filtration drilling fluid;under balanced drilling;polymer micelle;key treating agent.; 防止地层伤害;非渗透钻井液;欠平衡钻井;聚合物胶束;主处理剂;
- Keywords Foam technique;Under balanced drilling;Capillary viscometer;Rheological properties;Stability;Rheological equation; 泡沫技术;欠平衡钻井;管式粘度计;流变性;稳定性;流变方程;
- under balanced drilling 欠平衡钻井
- under balance drilling 欠平衡钻井
- Benefit cost ratios under balanced fertilization regimes exceeded 2.5. 实行平衡施肥后产投比大于2.;5。
- The simulated study on a matrix converter (MC) is carried out based on space vector modulation (SVM) under balanced and unbalanced input voltages. 摘要针对平衡与非平衡输入电压对空间矢量调制的矩阵变换器进行了仿真分析。
- The paper gives a new method to determine the negative pressure for under balanced perforating by use of elasto-plastic deformation theory coupled with reservoir flow equations. 利用弹塑性力学理论结合渗流方程提出了确定射孔完井最大负压差的新方法。
- Field study: Harvesting of fresh fruit bunches (FFB) in areas under balanced fertilization commenced from the 32nd month of planting, which was earlier than generally experienced in Thailand. 田间研究：按照该平衡施肥模式，油棕榈鲜果串从种植后第32个月便开始收获，在泰国，这比一般收获期提前了。
- Holman counter balanced drill rig 霍尔曼平衡钻车
- The paper described the applying condition of pressure detection in realizing proximate balance drilling,predicting abnormal pressure and designing hole structure. 该文阐述了压力检测在实现近平衡钻井、进行异常压力预报与井身结构设计过程中的应用情况。
- Main service:Gas foam Acidification,flowback,well cleaning,sand washing,broken down,induced flow;Foam profile control,oil displacement;gas foam less balance drilling. 主要服务项目：气体泡沫酸化、返排、洗井、冲砂、解堵、诱喷；泡沫调剂、驱油；气体泡沫欠平衡钻井。
- Although balance drilling is paid more attention to,Yitong exploration area in Jilin is still put overbalance drilling first for its unique and complex geological conditions. 虽然平衡钻井越来越受到勘探工作的重视,但吉林伊通探区因独特而复杂的地质条件,仍以过平衡钻井为主。
- She and I can't live under the same roof. 她和我不能住在一起。
- The enemy army crumpled up under our attacks. 敌军在我军的攻击下垮了。
- The firm will go under unless business improves. 生意若无起色，公司非垮不可。
- The baby's legs flailed under the quilt. 小孩的两条小腿在被子下面乱动。
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- I will pay nothing under compulsion. 在强迫之下我分文也不愿付。
