Laboratory evaluation on a new oil-soluble temporary plugging agent DFA for workover fluid;
修井液用新型油溶性暂堵剂DFA的室内性能评价
Oil-soluble temporary plugging agent DGZ and its application.;
DGZ油溶性暂堵剂的研究与应用
Research and application of temporary plugging agent in all fluids at operation.;
作业入井液中暂堵剂的研究与应用
Before borehole operation in gas well, the temporary blocking agent is squashed the near pay formation to make reservoir pressure keep changelessness, formation isn′t polluted by kill fluid in well bore.
在天然气井进行井下作业前,将暂堵剂挤入生产层位附近,以暂时封堵生产层,使地层压力不被释放,井筒内的压井液不污染地层,待施工作业结束后,及时进行解堵,确保天然气井不受伤害或少伤害,从而恢复天然气井的生产能力。
On the basis of previous calculation method and the analysis of existing problems,a new calculation method is brought forward to prevent the excessive dosage of temporary blocking agent calculated with previous method.
压裂施工中暂堵剂用量合理与否,是决定选择性压裂和多裂缝压裂工艺成败的技术关键,同时也直接影响压裂井改造效果。
The viscosity of our developed WLD temporary blocking agent can reach 10000mPa.
新研制的WLD暂堵剂成胶后粘度在10 000 mPa·s以上,经过一段时间后破胶,粘度可降至200 mPa·s以下。
New theory and method for optimizing the particle size distribution of bridging agents in drilling fluids;
钻井液中暂堵剂颗粒尺寸分布优选的新理论和新方法
The evaluation experiments of various bridging agents were conducted using the representatively natural cores, and the plugging projects were optimized.
室内实验及对现场井浆的分析结果表明 ,钻井液配方中加入复配的暂堵剂后 ,其性能无明显变化。
At present, the optimal selection of temporary plugging agents(TPA) in application of the temporary plugging techniques(TPT) is based on experiment to some extent.
针对现有暂堵剂优选理论精确化、定量化程度不足的情况 ,在继承传统屏蔽暂堵剂优选理论的基础上引入分形几何理论 ,提出用分维数来定量描述储层岩心孔隙尺寸分布和暂堵剂粒度分布特征。
bridging solid shape
暂堵剂固体颗粒形状
THE FUNCTION AND APPLICATION OF OIL SOLUBLE TEMPORARY PLUGGING AGENT YRC-1
油溶性暂堵剂YRC-1的性能及应用研究
Indoor experiment and field application of SJ-2 temporary plugging agent for oil wells
油井暂堵剂SJ-2室内实验及现场应用
With 1-5% TPA LZ 1 added the solid particle size distribution of the fluid is not changed.
加量1%~ 5 %的暂堵剂不影响钻井液中固相粒度分布。
Water Coning Control by Water Barrier Buildup with Temporarily Plugging Gravel Pack in an Offshore Well
海上油田暂堵砾石充填层封堵底水方法研究
Application of Microencapsulation Technology in Waterwells' Temporary Blocking Acidification
微胶囊技术在水井暂堵酸化中的应用
Application of Transient Shutoff Acidizing Technology in Horizontal Wells
暂堵酸化技术在水平井酸化中的应用
Core flow experiment showed that plugging rate of lost circulation material was over 97 % .
人造岩芯封堵实验表明,该堵漏剂封堵率达97%以上;
Research of improving technology profile by water injection well temporary acidizing
注水井暂堵酸化改善吸水剖面技术研究
Laboratory Evaluation of Water Swellable Rubber as an Blocking Agent
吸水膨胀橡胶作为封堵剂的室内评价
Laboratory Study of Macromolecule Gelatin:an Oil Well Water-Plugging Agent
钻井用高分子冻胶堵水剂的室内研究
Research and application of new blocking agent FLD for drilling fluid
新型钻井液封堵剂FLD的研究及应用
Property Evaluation of Pre-crosslinking AM/AA/DMDAAC Copolymer Plugging Agent
预交联AM/AA/DMDAAC堵剂的性能评价
Research on chemical water plugging agent in high salinity reservoir at 85 ℃
85℃下高矿化度地层化学堵水剂研究
Preparation of A New Type of Drill Plugging Agent Named JHSD
新型酸溶性随钻堵漏剂JHSD的研制
Formulation Optimization of AM/AA/DMDAAC Pre-crosslinking Plugging Agent
预交联AM/AA/DMDAAC堵剂的配方优化
A preliminary trial is carried out in 4 wells in Tarim oilfield.
这种堵漏剂具有一定的油溶性和酸溶性,堵漏效果好,对油层污染小。
These U/F solutions have been used in 15 wells in Zhongyuan oil fields with 100% successfulness and 87% positive response.
在中原油田15口井使用该剂,堵水堵漏成功率100%,见效率87%。
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