打水泥塞

通过分析石油行业修井作业系统传统打水泥塞施工工艺存在的技术缺陷，在机械捞砂工艺试验成功的基础上，开展无管柱打水泥塞技术的工艺研究。

Through analyzing limitation of traditional cementing plug technology in workover fields of petroleum industry , a new cementing plug without tubing string technology is developed after the experiments of mechanical bailing sand technology were successfully made .

无管柱打水泥塞的工艺研究与现场应用

The research on technology of cementing plug without tubing string and its field application

燃气动力一体化打水泥塞工艺施工周期短，注水泥过程仅需几分钟，总共作业时间约2h；

The integrated plug setting technique demands short operation time ( a few minutes are needed in cementing and total operation time is about 2h );

我们已经开始使用一种新方法打水泥塞。

We have begun using a new method to cement plug .

公司决定：打水泥塞侧钻。

8.6 The company has decided to plug the well for side tracking .

打水泥塞并放弃或继续下套管。

Plug and abandon or run pipe .

塔河碳酸盐岩缝洞油藏深井裸眼段打水泥塞工艺技术

Drilling Cementing Plug in Deep Open-Hole Section Located on Carbonate Crack Reservoir in the Tahe Oilfield

公司决定：打水泥塞侧钻。钻开注有堵漏水泥的井

8.6 The company has decided to plug the well for side tracking . grout hole drilling

介绍了一种以火药燃烧气体为动力，钢缆输送的一体化打水泥塞装置及工艺技术。

An integrated plug setting device , which takes powder burning gas as its power and is conveyed by wireline , is introduced .

为达到提高油水井打水泥塞施工有效率目的，采用在油水井水泥中加入添加剂来减少水泥浆稠化凝固后的体积收缩量及消除水泥塞裂缝。

In order to solve the volume contraction after cement slurry curing and preclude cement plug fracture , a new oil well cement additive is developed and optimized .

结果表明（1）燃气动力一体化打水泥塞装置可将打水泥塞作业一次完成，且不需要桥塞、泵车、电缆车，施工安全可靠，成本低；

The result shows that : ( 1 ) the cement plug can be set once by the integrated device of burning-gas power without using bridge plug , pump truck , reel truck , its operation is reliable and low-cost ;

塔河油田碳酸盐缝洞型油藏在打水泥塞施工中，由于裸眼段井径不规则、地层缝洞发育、井深计量误差等因素影响，打水泥塞施工一次成功率很低。

During drilling cementing plug in wells located on carbonate crack reservoirs in the Tahe Oilfield , it is very difficult to complete such operation without failure because of irregular open hole diameter , extensively fractured formation , measured depth error , etc.

此外，还进行了聚能射孔试验、地面打灰试验、1口井的现场打水泥塞试验和2口井的现场固井试验。

Besides , jet perforating simulation test , surface compounding test , field cement plug test of one well and field well-cementing tests of two wells are carried out .