查询词典 drilling

Enterprises leading products for SL3NB, QZ3NB, QF pump, QZ-9 series of drilling pump, the campaign mainly used for different depth of the oil field drilling, workover, cementing, water injection and other mining operations, industrial and mining enterprises can also be used for other transportation Mud, clay plastic, mortar, and other media.

企业主导产品为SL3NB、QZ3NB、QF泵、QZ-9等系列钻井泵，该系列主要用于油田不同井深的钻井、修井、固井、注水等工矿作业，也可用于其它工矿企业输送泥浆、粘土胶、灰浆等介质。

In order to clarify the type, the causes and the mechanism of the sealing failure, and the further improve the working life of the seal rings of drilling mud pump plunger, this paper analyzed the seal failure of myriameter drilling mud pump plunger.

为了弄清高压钻井泥浆泵柱塞密封圈的失效形式、原因及机理，进一步提高钻井泥浆泵柱塞密封圈的寿命，对万米钻井泥浆泵柱塞密封失效分析。

Downhole accidents frequently occurred due to the factors such as complicated formations, low automation degree of drilling equipments and nonproficiency of operation, and so on. High drilling cost or even the abandonment for a well will probably occur owing to those downhole accidents.

在钻井过程中，受地层多变性、钻井设备、仪器仪表自动化程度以及钻井操作技术熟练程度的制约和影响，井下往往会发生各种各样的复杂钻井事故，有的复杂事故会造成钻井成本急剧升高，甚至导致一口井报废。

According to the mechanical behaviors of in-service oil drilling derrick,the simulation model for forecasting the ultimate bearing capacity of oil drilling derrick was established on the basis of the double nonlinear theory .

针对在役石油钻机井架的力学特征，建立了基于双重非线性理论的极限承载仿真模型。

All the data onside showed that this drilling fluid fulfilled the requirements of drilling operations in Chuandong area.

为此，我们对川东地区的碳酸根和碳酸氢根污染钻井液的现象进行了一系列实验研究。

Proposed the gas well drilling rock debris pellet collision causes the overcut, thus causes the well deviation viewpoint; And has analyzed the rock partical collision to the well circumferential stress influence, whether to determine the gas drilling jitter overcut to provide the computation basis.

提出了气体钻井岩屑颗粒碰撞导致井径扩大，从而引起井斜的观点；并分析了岩石颗粒碰撞对井周应力的影响，为判定气体钻井是否失稳和井径扩大从而引起井斜提供计算依据。

Successful applications in five wells show that polyalcohol drilling fluids can decrease drilling cycle, improve penetration rate, reduce downhole problems and accidents and be helpful to find producing layer but incre...

在玉东 10 2井等 5口井的成功应用表明，聚合醇钻井液能缩短钻井周期，提高机械钻速，减少井下复杂情况与事故，有利于发现油层，值得推广应用。但目前存在钻井液成本较高的问题

Through analysis of the drilling load characteristics , considering the drilling speciality, basic power driving requirement of the geological drill and automotive emission requirement, this paper discuss how to select power in design of mobile drill rig, engine selection of DPP100 series.

通过对钻探负载特性的理论分析，结合钻探工作的特点和环保对汽车排放的要求，按照地质钻机对动力系统驱动特性的基本要求，对DPP100系列钻机车动力系统选择的研究和方法进行了论述。

Research and development of this project is a new quick-setting polymer drilling expansion agent, mainly used for determination of gas pressure sealing sealing boreholes, the quality can also be used for different conditions of pressure measurement of the coal seam gas drilling sealed.

本项目研发的是一种新型高分子速凝钻孔膨胀剂，主要用于封孔测定瓦斯压力钻孔的封孔，也可用于不同质条件下的煤层瓦斯压力测量钻孔密封。

In order to tackle the difficulties including the sidetracking, the reentrance of the main hole, the well bore trajectory control, and the poor drillability of the formation, some technologies are put forward, such as the sidetracking technology of compound holes, the pipe string reentrance technology of main holes, the well bore trajectory control technology, and the drilling speed increasing technology. All the technologies have been applied to the field successfully, greatly shortening the drilling cycle and guaranteeing the safe and fast completion of the well.

针对悬空侧钻、主井眼重入、井身轨迹控制和地层的可钻性差等多个技术难点，提出了复合井眼悬空侧钻技术、主井眼管柱重入技术、井身轨迹控制技术和钻井提速技术等方法，在现场应用中取得了显著效果，大大缩短了钻井周期，保证了安全快速完井。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。