查询词典 downhole

To avoid lost circulation or wellbore instability when drilling fluid circulated downhole after gas drilling, or to shorten drilling cycle and reduce drilling costs, it is recognized that the cementing quality needs to be improved further. 18 dryhole cementing jobs have been tried in 339.7 mm and 244.5 mm holes in Sichuan and Chongqing oil or gas fields and a set of technology for dryhole cementing after gas drilling is developed, including wellbore preparation, casing running, incontinuous liquid slurry injection, etc.

为了避免气体钻井结束后替入钻井液可能引发的井漏、井眼不稳定等复杂情况，缩短钻井周期、降低钻井成本，进一步提高固井质量，在川渝地区探索实践了气体介质条件下339.7 mm表层套管和244.5 mm技术套管共18井次的干井筒固井作业，基本形成了一套气体钻井后干井筒（井眼内为纯气体时的井筒简称为干井筒）固井工艺技术方案与措施。

To avoid lost circulation or wellbore instability when drilling fluid circulated downhole after gas drilling, or to shorten drilling cycle and reduce drilling costs, it is recognized that the cementing quality needs to be improved further. 18 dry-hole cementing jobs have been tried in 339.7 mm and 244.5 mm holes in Sichuan and Chongqing oil or gas fields and a set of technology for dry-hole cementing after gas drilling is developed, including wellbore preparation, casing running, incontinuous liquid slurry injection, etc.

为了避免气体钻井结束后替入钻井液可能引发的井漏、井眼不稳定等复杂情况，缩短钻井周期、降低钻井成本，进一步提高固井质量，在川渝地区探索实践了气体介质条件下339.7mm表层套管和244.5mm技术套管共18井次的干井筒固井作业，基本形成了一套气体钻井后干井筒（井眼内为纯气体时的井筒简称为干井筒）固井工艺技术方案与措施。

But it is at the stage of theoretic research in China The expandable sand screen technology is used for sand prevention in the downhole In fact, it is a series and intermesh axes slotting and the ar rangement of the slotting make the pipe string easy to ex pandable.

它是一种适用于井下防砂的膨胀筛管技术，膨胀防砂筛管实质上是具有一系列串联的、互相交错的轴向割缝的管子，割缝的布置使管柱更易于膨胀。

As one of effective methods of monitoring fracturing effect, downhole microseismic fracture monitoring technique is firstly applied in Zhuang No. 19 well area in Changqing Oilfield.

井下微地震监测技术作为监测压裂效果的有效手段之一，首次在长庆油田的庄19井区得到了应用。

A kind of downhole multipole acoustic transducer transmitter with high power that is applied to petroleum tools was introduced.

介绍了一种用于石油仪器的大功率多极子阵列声波换能器激励源的设计方案。

A method of retrievably deploying an electrically driven downhole well fluid transducer system, such as an electrical submersible pump, comprises installing a production tubing (1), which is equipped near its lower end with one part of a wet mateable electrical connector (35) and an external electric conduit (15), and subsequently lowering the fluid transducer system, which is equipped with another part of a wet mateable electrical connector through the tubing until the wet mateable connector (19) parts engage each other.

本发明公开了一种可撤回地部署电动井下抽流器系统的方法，所说电动井下抽流器系统例如是一个电潜泵，该方法包括步骤：安装一生产油管(1)，靠近其下端处装备了可湿接电气接插件(35)的一个部件和一条电缆导管(15)；所说抽流系统上装备了可湿接电气接插件的另一个部件，随后将抽流系统经油管进行下放，直到使可湿接接插件(19)的两个部件相互接合到一起为止。

It can also be used to monitor the downhole steeling tool and control the trajectory to approach the target and...

系统的各项功能集成在一个一体化的地面监控和井眼轨迹三维可视化软件系统中，是信息化、智能化钻定向井的创新工程。

It can also be used to monitor the downhole steeling tool and control the trajectory to approach the target and hit it.

可实时监控井下导向工具，控制井眼轨迹按设计的轨迹逼近靶区并中靶。

The operation procedure of borehole and surface combined method was as follows: the instrument was fixed at a certain depth of the borehole section, then the seismic source was moved in designed shooting direction.data were recorded synchronistically on surface and in downhole.

井地联合地震勘探方法是，井下仪器固定于观测井段某一深度，震源在地面按设计的炮线移动，同一炮激发，在地面地震接收的同时，在VSP井中也接收」。

Entire process Downhole-Deployment-Valve underbalanced drilling is an advanced unkilling technology that was developed in recent years.

套管阀全过程欠平衡钻井是近几年发展起来的一项先进的不压井起下钻技术。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。