1) North China type coal field
华北型煤田
1.
According to the electric features of North China type coal field,the principle analysis and exploration cases of the electric magnetic probing showed that a largest pole distance,longer observation time and lower frequency would be needed to reach the expected probing depth.
针对华北型煤田地层电性特点,通过电磁探测原理分析与勘察实例,说明了在此类地区需要更大的极距、更长的观测时间和更低的频率才能达到预期的探测深度。
2) coal mine of North China type
华北型煤田矿井
3) coalfield in northern China
华北煤田
5) Huabei Oilfield
华北油田
1.
Discoveries and their implications in the stratigraphic-lithologic reservoir exploration of Huabei oilfield;
华北油田地层-岩性油藏勘探发现与启示
2.
Field test on movable gel as profile control and flooding in Huabei Oilfield;
华北油田可动凝胶调驱现场试验
3.
Strengthen Project Management and Raise Exploration Benefit-Management of Exploration Projects of PetroChina Huabei Oilfield Company;
不断深化项目管理 努力提高勘探效益——华北油田勘探项目管理的探索与实践
6) Huabei oil fields
华北油田
1.
A series of highly permeating curable sythetic resin base sealing fluids(CFs) are developed for channelling and leakoff blockage in oil production and water injection wells of sandstone reservoirs in Huabei oil fields and their basic recept consists of 60—80% modified phenolic resin,5—25% unsaturated polyester resin,1—3% curing agent,1—5% promotor,5% plasticizer,5% reinforcer,and other additives.
为了治理华北油田砂岩油藏油水井的窜漏,研制了一种高渗入性的可固化合成树脂基封窜堵漏剂,该剂基本配方如下:60%~80%改性酚醛树脂+5%~25%不饱和聚酯树脂+1%~3%固化剂+1%~5%促进剂+5%增塑剂+5%增强剂+其他添加剂。
2.
At Huabei Oil Fields, the d.
华北油田在配制植物胶水基压裂液时 ,曾使用 40 %甲醛水溶液 (加量 0 。
3.
The crude oil produced in region x of Huabei Oil Fields is heavy (density at 20℃ 0.
华北油田某油区原油属高含硫重质稠油，采出液形成了稳定的油水乳状液，采用常规的破乳剂无法正常进行破乳脱水。
补充资料：华北野战军(见华北军区)
华北野战军(见华北军区)
North China Field Army
Huabei Yezhanlun华北野战军(North ehina Field Army)见华北军区。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条